I've always dreamed of making electrical components and devices from scratch at home, and it's awesome that you're already doing it! Keep up the good work, Ben, it's really interesting and sometimes even inspiring!
There was this Kid... :) do a google search for "Nuclear Reactor Fusion Science Kid" and yes.. It was a DIY. I am not sure TH-cam would allow a DIY nuclear reactor. There have been 14 people who DIY'd their own nuclear reactor. (According to the article)
There's a difference between a homebrew nuclear reactor (which can be DIY if you're brave enough) and a nuclear power station. And hell - Michio Kaku built a particle accelerator in his garage when he was a kid. That's unconventional DIY but still DIY.
Who would dislike this? It's impressive. By observing the work of individuals of our species who can DIY modern technologies in their garage, we can see how far humanity has truly come. Ben's channel inspires hope and ignites imagination.
Did you set out to make the LCD before building the sputtering chamber, UV exposure rig, etc., or did you build those things on their own and then one day realize, "hey, I have all the stuff I need to make an LCD from scratch"? Your videos never cease to inspire!
so this is what all those other projects have been working towards. this is awesome. and i like that you put the Lambda symbol from Half-Life on the LCD :D
I noticed the absence of a step where you add 5 micron glass beads that you mentioned in your other video on Building a liquid crystal display. Did you not require them or just not mention this step here?
The gap is being controlled by the viscosity of the liquid crystal itself, and the amount of pressure that I applied to the stack. The uniformity and gap distance is not critical for a low-performance display like this. The glass beads allow much better manufacturing repeatability and tighter tolerances.
Well glass beads are required for efficient working. the display here was limping at slow speeds due to the absence of spacers. maintaining alignment layers (polyamide / PVA) at
You also mentioned a plastic film yet there is none. I guess as long as you have the alignment scratches in the conductive layer? I'm also wondering how you remove the photoresist once done.
Lol, I literally spent the night watching your videos, the fact that you just uploaded this one feels like "here, there's another one for ya, have fun" lol keep the good work Ben, you're our hero! Hope I can be like you one day
I remember coating ITO slides with synthetic opal films in my undergrad, using electrophoretic deposition. I still have a couple of those coated slides because they're so pretty.
First of all - great video! Just wanted to clarify though...so let's see -all you need are: Microscope Slides = $10 a pack Liquid Crystals = $5 - 10 (better question are you getting the right kind?) Acetone = $10 Ultrasonic Cleaner = $100- $200 Argon Welding gun = $5 -$15 (not sure if this is even the right tool) Vacuum Chamber = $100 - $150 Photo resist = $25 - $75 Ultraviolet exposure table = $100 - $250 Photo developer solution = $10 - $50 Etching Solution (Ferric Chloride?) = $25 - $30 Cloth = $1 -$5 Polarizer filters = $10-15 Or $406 to $820 to make your own LCD? Or, you could just buy LCDs from say ...someplace that sells LCDs?
Late late LATE reply, but I was wondering if you could go into more detail on the Vacuum deposition process. Like what conductive vapor did you use, how long you had the slide in the vacuum, etc?
JiveFowl No clue seems I am missing a sputter gun, electron microscope, particle accelerator, xray machine collection, death ray, and many other fun toys. :(
When going the sputtering, why not make make a "mask" or stencil to "shadow" the parts of the glass slide you did not want to coat in ITO? (like a crookes tube cross type thing) Is it because the edges would not come out sharp enough?
Dude. Who are you!? Seriously. The stuff you make usually isn't impossibly crazy, but I'm blown away how fast you make all of it! You do all of this, and still work at Valve??
Hi Ben, I'm playing around with this myself. In the other LCD video you talk about using a mix of nematic and chiral liquid crystal to get the right characteristic, could you indicate what the composition of the mix was in this video, also did you use glass microbeads in the setup? Thanks.
TIL: Mr. Krasnow is an engineer for Valve Software. I just thought this was a cool channel with awesome engineering projects designed to show us how things worked. Hey, Ben. Say "Hi!" to GabeN for me. Tell him I'll be up to see him just as soon as I finish my BSEE. I'm mostly joking of course, but who knows? I'd love to work there! :D
I like how it's all coming together and now you have a working LCD. Are you going to make the micro grid that would enable you to make actual pixel displays as well?
Hey *****. I'm definitely going to try this. this is just so awesome. Btw could you use a Vacuum cleaner / Shop bot as a vacuum pump for the Sputtering?
***** the hot air convection wouldn't coat the surface on atm pressure? or the oxygen would oxidize the aluminum? and what about a baking process like tho one education.mrsec.wisc.edu/304.htm
WoW amazing, you have done a wonderful job, could you share with me a list of the machines (uv exposure, ...) and chemical products that were used to make this stunning LCD please ??? And if it's possible a PDF version of this video.
Wow 2013. I was curious if it's not viable to try to build "cheap lcd sheets" that would replace sheet rock in houses. From what I see here this is a 2-state lcd that only displays one image when it's on/off. To make individual blocks/pixels would be much harder/require what is it vector-something regarding the mapping of the pixels. Also I'm not sure that line from the half-life symbol (lambda?) if that is an "electric" line or if you just left that on there. So to make individual "pixels" (in the case of wall-sized probably 0.25" x 0.25" squares) you'd have to address those lines and machines can make them nearly invisible but human hands can't. I don't know just rambling. Thanks for the video. Still awesome to see the fundamentals that's where you start.
So, industrially, they have the pre-made parts like the reflector and polarizing filters, and they etch the ITO with traces going to the component leads? Great video!
I think there is no need to buy or even produce conductively coated glass, because you can just use common window glass which is usually also coated with some metal to make it reflect IR radiation. Cheapest option would be to find some piece of broken glass packet and just visually inspect which glass has slightly reflective surface.
Great video!. I have a silly question, in a LCD panel, is it possible to detach the TFT layer from the color filter layer (RGB) without compromise their integrity? I need to work with the TFT layer and its drivers, do not ask me why.
I can't believe how simple this was! I have all that equipment just sitting around my house. I have a question....instead of the micron photoprocessing diode manipulator why didn't you just use a modified flux capacitor?
Hello. On one of the old projects we have a need to produce a 1056x624 pixel Liquid Crystal display. The problem is no one ever made one. So the only two options are emulating LCD display with hi rec display and some sort of shader which is out of reach for micro-controllers that we use or ... well ... create an LCD screen. I can see that ITO coated glass is not that expensive, but I have never done anything remotely similar. Do you think your approach of removing the coating can actually achieve such a resolution? And if you had such a challenge, how would you go after removing the coating?
I'm starting to believe that the chemical vapor deposition process works better for curved substrates, and that that's why curved monitors are becoming so prevalent though few people want them. A curved substrate would act like a hood, and you would almost certain get better deposition.
Hi Ben, great video. I wonder, could you skip the photo resist step? Could you raster an electron beam to create a negatively charged image on the substrate and then sputter. Assuming the shutter gun produces positive particles, they would be attracted to the negative and form electrodes in the desired shape. With more than one sputter gun you could even dope the electrodes on the fly. I can think of reasons why this wouldn't work but i have no practical experience . Thanks for these great videos.
many separations needed for multi-pixel. each segment needs it's path to the segment, but it's not harder really, just more time and more paths on the design to be etched, all using same initial deposition on the glass. tip: thinner glass makes a crisper, more clear image, but harder to handle. 1" cover slides for the microscope specimen slides would be good and cheap, too
In 0:12 the image shows much more clear, why do you insist in having the two polarizing lens in 90 degrees? LCD screens do not work liek this, they are light by default and they have darker dots when working, much like 0:12
I love this whole subject of DIY and hand made electronic stuff! Do you think it possible to hand make a transistor ? The very first one looks very hand made.
Hi Ben, I have a question for you, Do you think is possible to remove the color mask from a TFT IPS lcd in a "diy"home environment in order to obtain a gray-scale display, this question is related to lcd 3d resin printer, so if you have a gray-scale screen you can triple the resolution and the uv(400-415nm) light that passes trough a ordinary LCD to harden the resin, Thank you
Just interested in knowing how you are driving this display. I see a lot of info online that describes these as capacitive devices requiring a driver that pulses the electrodes at a given frequency, inverted signal between the common electrode and each “segment” electrode’s pulse. Also, I haven’t tried, but wondering how best to make contact with the metallic deposits on the glass. Is there a more permanent connection that can be made, like bond wires to the glass, and besides just taping them on, is there a more permanent way to bond wire to the glass? Can solder bond to the etched electrodes? Very interesting video to say the least! Thanks!
Have you thought about making your own vacuum tube? There are few things you need. Glass making skills and heaters and few specific materials for electrodes going through glass, oxide coated cathode and may be getter material. Everything else is quite simple if you are not going to produce penthode or octode with tiny wired electrodes that need to have small but certain distances from each other.
I wonder how much current an ITO trace could carry? Would it be possible to power a small LED? I.e. etch a transparent circuit on the glass using the ITO, then glue SMD LED's to the circuit using conductive epoxy. Could make for a cool effect!
Hi all, hoping to get some help here. I am trying to fix a couple of LCDs that have faded/faint images. When I place the LCDs in the freezer for some time, they recover full functionality. However, as soon as they return to room temperature, the problem comes back. I can't figure out what the faulty component is. Is it the liquid crystals? Anyway, I want to say that these videos on LCDs have taught me a great deal, so thanks!
I've read elsewhere that plastic sheet used in some LCD can react over time with the liquid crystal. Even if yours is glass, perhaps replacing the liquid crystal might work as a repair. It seems possible that the liquid crystal might break down over time. You may also need to replace the glass beads (if used) as well. I noticed that the micro beads are listed on Chinese websites for sale in some manner. You'd have to be careful when cleaning out the old liquid crystal not to rub the sheets (or at least not the incorrect direction)
Thanks for the help! I would go ahead and try to replace the liquid crystals, but I'm having problems separating the glass substrates; probably going to have to use a heat gun on that glue holding them together, which I'm guessing is epoxy?
I don't know if I would exactly call this DIY... Ok -- you can buy the glass with the coating pre-deposited so you don't need the ultrasonic washer or the vacuum chamber or the sputterer, but who the heck has photoresist, an ultraviolet exposure rig, developer solution, etching solution, and two polarizers just lying around the house. :-) Still -- very cool that you made this work. Impressive!
You can find the solution easily online with a quick search in an engine like Google. Say Amazon for example has plenty of solutions of both on sale, and various other sites have solutions available with a quick entering of the terms "etching solution" and "developer's solution" in a search engine request. Considering he also built the vacuum deposition chamber over time with parts be either bought or raw material he machined himself, that also counts as DIY I would say. The polarizers can be found in many products, from camera lenses to car mirrors, if you cannot buy it from an already assembled product, you can also research the material and how it is made and DIY, for photoresist you can either do a search in a shopping section to show you deals for it or search up what creates it and assemble the raw materials. The ultraviolet exposure rig can probably be built either using florescent lights, incandescent lights, or possibly LED's setup to UV panels to project light on an object to cure it which would probably run at least 700 mA at 12v or 8.4 watts for lower power projection unless you use higher power material. You can either build it or buy it, it's up to the person, but these things can be done but it would most likely take time and investment just like anything else in life.
I can get only silver or graphit spray to make glass conductive, but it won't be transparent. Is there an alternative solution to do it without sputtering?
Want to make existing LCD screen light up with solid changeable color. Ideally a power source other than a computer is sought. If you take a digital camera shot of a colored panel & load it through the computer, you can light the monitor to the chosen color. Why not apply the power directly to the LCD panel? Any ideas?
Not only you do freaking awesome DIY (where the "Y" actually means Ben Krasnow, lol!) projects, now you do a Half Life logo? ... I clicked like 100 times the subscribe button!
This has me wondering if it would be possible to replace the liquid crystal in old ‘bleeding’ Lcd. If you see old lcd games, many seem to have let air in along the edges so if there was a way to separate the glass plates, add fresh liquid crystal, put them back together and glue them together again.
Damnit, Ben! A lambda, in a circle, from a Valve-employee? It's mean, you tease! Anyway, I watched your tongue-device video, and I really have to say... It's intriguing. If one was able to make something like a laptop touch-pad, for the roof of your mouth (or the inside of your gums / teeth) it could be... brilliant for people with a wide array of handicaps and alike. Damned cool tech. I'll end this with the mandatory "Where's Half-Life 3?" - Look forward to more of your videos!
that's really cool, do you have plans to make some multi-part displays, similar to the displays on a watch or a calculator, shapes you can independently toggle on and off?
Show me a LFTR! That was once done on a small enough to fit in a bus. Now that would be cool!!! I would gladly dig up the Thorium myself for such a project. Can you buy refined Thorium on ebay??? Or maybe Scamazon.
Is there a more simplified way to make one of those without chemicals or radiation in a case with no air in it? I'm planning on making a singular 7-segment display card chip PCB thing. Basically it's a circuit board with wires leading directly to the screen with no micro controller. This setup can be sold to manufacturers to make the micro controller.
I know this video is really old. But it's incredible. If you had to perminately etch the image into the display, how do pixel based displays work, where it turns on and off individual pixels at will?
Very nice. That turned out much better than I was expecting.
i know I'm quite randomly asking but do anybody know of a good site to watch new series online ?
@Watson Corbin yup, I have been watching on FlixZone for since april myself =)
@Watson Corbin thank you, I signed up and it seems like they got a lot of movies there :D Appreciate it !
@Louis Duncan You are welcome :D
I've always dreamed of making electrical components and devices from scratch at home, and it's awesome that you're already doing it! Keep up the good work, Ben, it's really interesting and sometimes even inspiring!
something you can easily do with the supplies from your nearest NASA parts provider
I love how people are saying this isn't DIY. DIY stands for 'Do It Yourself.' He did it himself, didn't he?
well then when a scientist builds a nuclear plant"himself" then its diy no i didint think so
A Lind Stay with me now, because I think I spotted a flaw in your argument: nuclear plants are built by *teams of engineers*.
I would like to meet the person who single handedly manages to accomplish that!
There was this Kid... :)
do a google search for "Nuclear Reactor Fusion Science Kid" and yes.. It was a DIY. I am not sure TH-cam would allow a DIY nuclear reactor. There have been 14 people who DIY'd their own nuclear reactor. (According to the article)
There's a difference between a homebrew nuclear reactor (which can be DIY if you're brave enough) and a nuclear power station.
And hell - Michio Kaku built a particle accelerator in his garage when he was a kid. That's unconventional DIY but still DIY.
Awesome. I like how each step made for an interesting project and video by itself.
Your LCD works quite well, I'm impressed.
half-life 3 confirmed
ILLUMINATI CONFIRMED
idiots confirmed
ג
: כ
guess ur right 2020 gang!
Ben, I always wanted to do this. Thank you for all of the great info.
This is great, because I have all these supplies under my kitchen sink. Who knew it was so simple!
Who would dislike this? It's impressive. By observing the work of individuals of our species who can DIY modern technologies in their garage, we can see how far humanity has truly come. Ben's channel inspires hope and ignites imagination.
its so exciting that this kind of information is shared with normal people!
Did you set out to make the LCD before building the sputtering chamber, UV exposure rig, etc., or did you build those things on their own and then one day realize, "hey, I have all the stuff I need to make an LCD from scratch"?
Your videos never cease to inspire!
Looks awesome, Ben! Very cool!
so this is what all those other projects have been working towards. this is awesome. and i like that you put the Lambda symbol from Half-Life on the LCD :D
DIY => 3 letters
LCD => 3 letters
Half Life 3 confirmed!
DIY custom LCD => 3 words
Half Life 3 confirmed
@@VincentFischer Half life 3 => 3 words
@@mattiasw.5846 it happend
EP. 3 Confirmed!
I noticed the absence of a step where you add 5 micron glass beads that you mentioned in your other video on Building a liquid crystal display. Did you not require them or just not mention this step here?
The gap is being controlled by the viscosity of the liquid crystal itself, and the amount of pressure that I applied to the stack. The uniformity and gap distance is not critical for a low-performance display like this. The glass beads allow much better manufacturing repeatability and tighter tolerances.
Well glass beads are required for efficient working. the display here was limping at slow speeds due to the absence of spacers. maintaining alignment layers (polyamide / PVA) at
You also mentioned a plastic film yet there is none. I guess as long as you have the alignment scratches in the conductive layer? I'm also wondering how you remove the photoresist once done.
Good contrast on the display. I wonder how much it would have been improved by using 5 micron balls as spacers.
This guy mastered many different sciences.
Lol, I literally spent the night watching your videos, the fact that you just uploaded this one feels like "here, there's another one for ya, have fun" lol keep the good work Ben, you're our hero! Hope I can be like you one day
I remember coating ITO slides with synthetic opal films in my undergrad, using electrophoretic deposition. I still have a couple of those coated slides because they're so pretty.
That's pretty darn awesome. (Where's the superscript 3?)
watching your videos makes me wish I had a garage and unlimited amounts of hours to toy with different experiments.
ianlinkcd you only have one life make the time and have fun or regret it later.
I love how you make all your own specialised tools, then use those tools to make cool stuff.
First of all - great video!
Just wanted to clarify though...so let's see -all you need are:
Microscope Slides = $10 a pack
Liquid Crystals = $5 - 10 (better question are you getting the right kind?)
Acetone = $10
Ultrasonic Cleaner = $100- $200
Argon Welding gun = $5 -$15 (not sure if this is even the right tool)
Vacuum Chamber = $100 - $150
Photo resist = $25 - $75
Ultraviolet exposure table = $100 - $250
Photo developer solution = $10 - $50
Etching Solution (Ferric Chloride?) = $25 - $30
Cloth = $1 -$5
Polarizer filters = $10-15
Or $406 to $820 to make your own LCD?
Or, you could just buy LCDs from say ...someplace that sells LCDs?
Late late LATE reply, but I was wondering if you could go into more detail on the Vacuum deposition process. Like what conductive vapor did you use, how long you had the slide in the vacuum, etc?
Wow, that's just fantastic! Be proud, be very proud! Congratulations!
This still blows my mind that you are doing this in your garage.
You don't have a sputter gun in your garage? How do you live?!
JiveFowl No clue seems I am missing a sputter gun, electron microscope, particle accelerator, xray machine collection, death ray, and many other fun toys. :(
i've seen these kind of things on keychains, good to know how its made. thanks!
When going the sputtering, why not make make a "mask" or stencil to "shadow" the parts of the glass slide you did not want to coat in ITO? (like a crookes tube cross type thing) Is it because the edges would not come out sharp enough?
Exactly, the lift off method doesn't work quite well with PVD
Lots of things coming together for this project! A real long haul. Great videos!
Dude. Who are you!?
Seriously. The stuff you make usually isn't impossibly crazy, but I'm blown away how fast you make all of it!
You do all of this, and still work at Valve??
Ben - you are Mr Tech guy!!! I'm too old to learn this stuff but it is fascinating! :)
"Fuck chemistry" they said
"You dont need it" they said
This is engineering..
Yeah, pure engineering with no physics or chemistry knowledge behind it.
Habitante19 Said no one ever...
Well it seems that you said it. Engineering is the application of that knowledge.
Habitante19 Well it seems you assumed it.
Hi Ben, I'm playing around with this myself. In the other LCD video you talk about using a mix of nematic and chiral liquid crystal to get the right characteristic, could you indicate what the composition of the mix was in this video, also did you use glass microbeads in the setup? Thanks.
You should totally make a DIY 7-segment LCD disply and make a clock, how awesome would that be?
Really cool. And not too bad contrast either.
Lite svårt för oss vanliga dödliga att hänga med, bara. Som behållaren som han droppar "fotovätska" i. Ligger glaset/glasen i den behållaren, eller?
Han droppar flytande kristaller på en tunn glasskiva, som han har belagt med ett väldigt tunnt metalllager på.
i tryed to do this i ended up creating a portal to anouther dimenshion but i closed it before the terminators came by repeating the process
hahahahahhaha
I did the same. My laboratory in the basement is now full of aliens. I didn't know what to do, so i just locked the door. I hope this keeps them in.
OpenGL4ever find a crowbar and get out
Did you rinse ? DID YOU RINSE BEFORE YOU REPEATED.
How does one even come up with home brew LCD idea?... This is really really neat.
TIL: Mr. Krasnow is an engineer for Valve Software. I just thought this was a cool channel with awesome engineering projects designed to show us how things worked.
Hey, Ben. Say "Hi!" to GabeN for me. Tell him I'll be up to see him just as soon as I finish my BSEE.
I'm mostly joking of course, but who knows? I'd love to work there! :D
More for the knowledge of how it all came to be in the LCD world. A1 info 👍
Is there any service out there where the hobbyist could order a custom LCD, much like i can order a PCB?
Did you ever find anything?
I like how it's all coming together and now you have a working LCD. Are you going to make the micro grid that would enable you to make actual pixel displays as well?
Hey *****. I'm definitely going to try this. this is just so awesome. Btw could you use a Vacuum cleaner / Shop bot as a vacuum pump for the Sputtering?
I'd love to do both ;d. I'll see to find the stuff on ebay. And i'll give it a try. And thx for you awesome video's.
***** the hot air convection wouldn't coat the surface on atm pressure? or the oxygen would oxidize the aluminum? and what about a baking process like tho one education.mrsec.wisc.edu/304.htm
WoW amazing, you have done a wonderful job, could you share with me a list of the machines (uv exposure, ...) and chemical products that were used to make this stunning LCD please ??? And if it's possible a PDF version of this video.
Wow 2013. I was curious if it's not viable to try to build "cheap lcd sheets" that would replace sheet rock in houses. From what I see here this is a 2-state lcd that only displays one image when it's on/off. To make individual blocks/pixels would be much harder/require what is it vector-something regarding the mapping of the pixels. Also I'm not sure that line from the half-life symbol (lambda?) if that is an "electric" line or if you just left that on there. So to make individual "pixels" (in the case of wall-sized probably 0.25" x 0.25" squares) you'd have to address those lines and machines can make them nearly invisible but human hands can't. I don't know just rambling. Thanks for the video.
Still awesome to see the fundamentals that's where you start.
you worked at valve? whole new level of respect for you
So, industrially, they have the pre-made parts like the reflector and polarizing filters, and they etch the ITO with traces going to the component leads? Great video!
Almost looks like the Aphex Twin logo ;-) Ben where will you stop ? Just incredible as usual !
Your feats never cease to amaze me! Are you planning on making a 7-segment LCD in the future?
Congratulation to final success and a well chosen pattern for it.
So worth it to subscribe, this channel is amazing!
"Crystal clear", nice job!
I think there is no need to buy or even produce conductively coated glass, because you can just use common window glass which is usually also coated with some metal to make it reflect IR radiation.
Cheapest option would be to find some piece of broken glass packet and just visually inspect which glass has slightly reflective surface.
Great video!. I have a silly question, in a LCD panel, is it possible to detach the TFT layer from the color filter layer (RGB) without compromise their integrity? I need to work with the TFT layer and its drivers, do not ask me why.
Awesome I had all of those tools in my back pocket
I can't believe how simple this was! I have all that equipment just sitting around my house. I have a question....instead of the micron photoprocessing diode manipulator why didn't you just use a modified flux capacitor?
Hello. On one of the old projects we have a need to produce a 1056x624 pixel Liquid Crystal display. The problem is no one ever made one. So the only two options are emulating LCD display with hi rec display and some sort of shader which is out of reach for micro-controllers that we use or ... well ... create an LCD screen. I can see that ITO coated glass is not that expensive, but I have never done anything remotely similar. Do you think your approach of removing the coating can actually achieve such a resolution? And if you had such a challenge, how would you go after removing the coating?
lcd has 3 letters the half life logo was on the lcd display... half life 3 confirmed.
Can you make a flexible lcd demo? Also there no mentioning of coating, etching and developer materials mentioned spcifically
I have a question, what influence in speed of switching? voltage and area?
Awesome :) nice results too! Thanks for sharing! Next Oled :P
Good stuff Ben.
How much current draw?
I'm starting to believe that the chemical vapor deposition process works better for curved substrates, and that that's why curved monitors are becoming so prevalent though few people want them. A curved substrate would act like a hood, and you would almost certain get better deposition.
Hi Ben, great video. I wonder, could you skip the photo resist step? Could you raster an electron beam to create a negatively charged image on the substrate and then sputter. Assuming the shutter gun produces positive particles, they would be attracted to the negative and form electrodes in the desired shape. With more than one sputter gun you could even dope the electrodes on the fly. I can think of reasons why this wouldn't work but i have no practical experience .
Thanks for these great videos.
What about pixel display. This is the equivalent of 1 pixel. Very, very impressive, though.
many separations needed for multi-pixel. each segment needs it's path to the segment, but it's not harder really, just more time and more paths on the design to be etched, all using same initial deposition on the glass. tip: thinner glass makes a crisper, more clear image, but harder to handle. 1" cover slides for the microscope specimen slides would be good and cheap, too
Ben... is that your personal/home lab ?... Because if that's so... I could not be more jealous. Thanks for teaching us so much
In 0:12 the image shows much more clear, why do you insist in having the two polarizing lens in 90 degrees? LCD screens do not work liek this, they are light by default and they have darker dots when working, much like 0:12
I love this whole subject of DIY and hand made electronic stuff! Do you think it possible to hand make a transistor ? The very first one looks very hand made.
Looks like the aphex twin logo, great work
It looks more like it's the valve half life logo
Hi Ben, I have a question for you, Do you think is possible to remove the color mask from a TFT IPS lcd in a "diy"home environment in order to obtain a gray-scale display, this question is related to lcd 3d resin printer, so if you have a gray-scale screen you can triple the resolution and the uv(400-415nm) light that passes trough a ordinary LCD to harden the resin, Thank you
You're crazy Ben, don't ever change! :D
Just interested in knowing how you are driving this display. I see a lot of info online that describes these as capacitive devices requiring a driver that pulses the electrodes at a given frequency, inverted signal between the common electrode and each “segment” electrode’s pulse. Also, I haven’t tried, but wondering how best to make contact with the metallic deposits on the glass. Is there a more permanent connection that can be made, like bond wires to the glass, and besides just taping them on, is there a more permanent way to bond wire to the glass? Can solder bond to the etched electrodes? Very interesting video to say the least! Thanks!
Can you make a howto video that shows how to make 4K HDR OLED display with some household items and a gyroscope?
What material you used as sputtering , which etching solution you use to etching , photo resist was Positive or Negative ??????
Have you thought about making your own vacuum tube? There are few things you need. Glass making skills and heaters and few specific materials for electrodes going through glass, oxide coated cathode and may be getter material. Everything else is quite simple if you are not going to produce penthode or octode with tiny wired electrodes that need to have small but certain distances from each other.
I wonder how much current an ITO trace could carry? Would it be possible to power a small LED? I.e. etch a transparent circuit on the glass using the ITO, then glue SMD LED's to the circuit using conductive epoxy. Could make for a cool effect!
Just exactly what I'm looking for. Thanks so much
This is the only man that makes me feel dumb by comparison.
Hi all, hoping to get some help here. I am trying to fix a couple of LCDs that have faded/faint images. When I place the LCDs in the freezer for some time, they recover full functionality. However, as soon as they return to room temperature, the problem comes back.
I can't figure out what the faulty component is. Is it the liquid crystals?
Anyway, I want to say that these videos on LCDs have taught me a great deal, so thanks!
I've read elsewhere that plastic sheet used in some LCD can react over time with the liquid crystal. Even if yours is glass, perhaps replacing the liquid crystal might work as a repair. It seems possible that the liquid crystal might break down over time. You may also need to replace the glass beads (if used) as well. I noticed that the micro beads are listed on Chinese websites for sale in some manner. You'd have to be careful when cleaning out the old liquid crystal not to rub the sheets (or at least not the incorrect direction)
Thanks for the help! I would go ahead and try to replace the liquid crystals, but I'm having problems separating the glass substrates; probably going to have to use a heat gun on that glue holding them together, which I'm guessing is epoxy?
I don't know if I would exactly call this DIY... Ok -- you can buy the glass with the coating pre-deposited so you don't need the ultrasonic washer or the vacuum chamber or the sputterer, but who the heck has photoresist, an ultraviolet exposure rig, developer solution, etching solution, and two polarizers just lying around the house. :-)
Still -- very cool that you made this work. Impressive!
You can find the solution easily online with a quick search in an engine like Google. Say Amazon for example has plenty of solutions of both on sale, and various other sites have solutions available with a quick entering of the terms "etching solution" and "developer's solution" in a search engine request. Considering he also built the vacuum deposition chamber over time with parts be either bought or raw material he machined himself, that also counts as DIY I would say. The polarizers can be found in many products, from camera lenses to car mirrors, if you cannot buy it from an already assembled product, you can also research the material and how it is made and DIY, for photoresist you can either do a search in a shopping section to show you deals for it or search up what creates it and assemble the raw materials. The ultraviolet exposure rig can probably be built either using florescent lights, incandescent lights, or possibly LED's setup to UV panels to project light on an object to cure it which would probably run at least 700 mA at 12v or 8.4 watts for lower power projection unless you use higher power material. You can either build it or buy it, it's up to the person, but these things can be done but it would most likely take time and investment just like anything else in life.
A photographer.
I can get only silver or graphit spray to make glass conductive, but it won't be transparent. Is there an alternative solution to do it without sputtering?
I dunno, a lot of the equipment looks homemade too.
They can be set up small like pixels and accessed as nodes, but no color. Im going to try that thanks.
Want to make existing LCD screen light up with solid changeable color. Ideally a power source other than a computer is sought. If you take a digital camera shot of a colored panel & load it through the computer, you can light the monitor to the chosen color. Why not apply the power directly to the LCD panel? Any ideas?
good work putting the pieces together.
Not only you do freaking awesome DIY (where the "Y" actually means Ben Krasnow, lol!) projects, now you do a Half Life logo? ... I clicked like 100 times the subscribe button!
What do you think - is it possible to use liquid crystals from commercial computer's LCD panels?
you could make a retro game n watch with this. You just need to uv a game screen with multiple conducting routes i guess.
How to get or make that Liquid crystal ???
This has me wondering if it would be possible to replace the liquid crystal in old ‘bleeding’ Lcd. If you see old lcd games, many seem to have let air in along the edges so if there was a way to separate the glass plates, add fresh liquid crystal, put them back together and glue them together again.
Damnit, Ben! A lambda, in a circle, from a Valve-employee? It's mean, you tease!
Anyway, I watched your tongue-device video, and I really have to say... It's intriguing. If one was able to make something like a laptop touch-pad, for the roof of your mouth (or the inside of your gums / teeth) it could be... brilliant for people with a wide array of handicaps and alike. Damned cool tech.
I'll end this with the mandatory "Where's Half-Life 3?" - Look forward to more of your videos!
A question you left unanswered.. did you want the standard lambda symbol or Valve's half-life logo??
that's really cool, do you have plans to make some multi-part displays, similar to the displays on a watch or a calculator, shapes you can independently toggle on and off?
Very Impressive. So is the next step to make your own polarizers?
Own Liquid Crystals. Since it's really hard to find on market (well except China)
Oh, and sputtering system will cost You about $3-5k...
Show me a LFTR! That was once done on a small enough to fit in a bus. Now that would be cool!!! I would gladly dig up the Thorium myself for such a project. Can you buy refined Thorium on ebay??? Or maybe Scamazon.
i´m a simple black mesa employee. i see lambda core, i upvote!
Is there a more simplified way to make one of those without chemicals or radiation in a case with no air in it? I'm planning on making a singular 7-segment display card chip PCB thing. Basically it's a circuit board with wires leading directly to the screen with no micro controller. This setup can be sold to manufacturers to make the micro controller.
i appriciate your love and dedication to science and the level of your lab, i enjoy your channel daily.
keep up the good work
I know this video is really old. But it's incredible. If you had to perminately etch the image into the display, how do pixel based displays work, where it turns on and off individual pixels at will?
Richard Servello Normal lcd's are a bunch of these next to each other connected in a way that makes it possible to turn on/off individual pixels
MrHack4never so just an array of etched squares?
im impressed! you are really smart guy!
did he use 5CB?