Led upgrades to interior blue light and lighted door sills
05-26-11, 12:20 AM
#16
Lexus Test Driver
Thread Starter
DIY Details about LCD colour change
Here is your answer Defo. Personally, I’ve always found this “ blue” look very appealing, and I knew it would look EXCELLENT in the Rx 300 gauges if it could be done. BUT, I always thought the LCD’s were made one way from the factory and couldn’t be changed—until now.
I never really understood how LCD’s worked, so curiosity got me searching the Internet for information. I came across a site that explained how LCD’s were created, and I learned what components are required to make them work. When looking at a standard LCD, I always thought the black numbers and what not were made of a pigment, or ink—somehow shifted around into shapes of letters or whatever. But in fact, there’s NO colored pigment at all! Wikipedia has good info: http://en.wikipedia.org/wiki/Liquid_crystal_display
An LCD consists of two pieces of glass, which have “liquid crystal” particles sandwiched between them (think of tiny-tiny pieces of glass). When electricity is added to certain parts, the crystals shift their position, reflecting light sort of like a prism. Then on each side of the glass, a sheet of “polarized” film is applied, which controls what light enters and leaves. I also learned that what determined the shade of an LCD (either black on white, or white on black) was in fact the alignment of the polarized film, NOT something within the LCD itself. All one needs to do is rotate one of the polarized films, and the LCD will invert.
Here is another site that explains how this is done:
http://mygshock.com/wiki/How_to_conv...gative_display
With some further research, I also discovered how Lexus created the “white on BLUE” LCD! I used to think that there was blue pigment in the LCD, but in fact the LCD itself is NO different from any other LCD screen. If you just rotate one of the polarized films at an angle between “white on black” and “black on white”, you will get the “white on blue”!!
With this new knowledge we decided to use it on the Rx 300. Chris purchased a sheet of linear polarized film online, from
http://www.polarization.com/polarsho...ec1c246cd3efa4
He got a 6”x10” sheet of “PFSC _ AG/HC - Polarizer with antiglare, hardcoat and adhesive” for $24 as it has the anti-glare coating (which is needed).
For the blue led we replaced the green led to blue. Lexus used two kind of green led 3mm and smd led for door and radio control *****. We used 3mm and 1206 smd blue led.
I never really understood how LCD’s worked, so curiosity got me searching the Internet for information. I came across a site that explained how LCD’s were created, and I learned what components are required to make them work. When looking at a standard LCD, I always thought the black numbers and what not were made of a pigment, or ink—somehow shifted around into shapes of letters or whatever. But in fact, there’s NO colored pigment at all! Wikipedia has good info: http://en.wikipedia.org/wiki/Liquid_crystal_display
An LCD consists of two pieces of glass, which have “liquid crystal” particles sandwiched between them (think of tiny-tiny pieces of glass). When electricity is added to certain parts, the crystals shift their position, reflecting light sort of like a prism. Then on each side of the glass, a sheet of “polarized” film is applied, which controls what light enters and leaves. I also learned that what determined the shade of an LCD (either black on white, or white on black) was in fact the alignment of the polarized film, NOT something within the LCD itself. All one needs to do is rotate one of the polarized films, and the LCD will invert.
Here is another site that explains how this is done:
http://mygshock.com/wiki/How_to_conv...gative_display
With some further research, I also discovered how Lexus created the “white on BLUE” LCD! I used to think that there was blue pigment in the LCD, but in fact the LCD itself is NO different from any other LCD screen. If you just rotate one of the polarized films at an angle between “white on black” and “black on white”, you will get the “white on blue”!!
With this new knowledge we decided to use it on the Rx 300. Chris purchased a sheet of linear polarized film online, from
http://www.polarization.com/polarsho...ec1c246cd3efa4
He got a 6”x10” sheet of “PFSC _ AG/HC - Polarizer with antiglare, hardcoat and adhesive” for $24 as it has the anti-glare coating (which is needed).
For the blue led we replaced the green led to blue. Lexus used two kind of green led 3mm and smd led for door and radio control *****. We used 3mm and 1206 smd blue led.
Last edited by gazi001; 05-26-11 at 03:37 PM.
06-23-11, 03:43 AM
#20
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I'm pretty sure that there are 2 different sizes. I believe that the front is larger than the back seat and trunk lights. Or maybe its the other way around. I dont really know. I'm in Korea right now so I have no access to my car :[.
06-24-11, 07:29 PM
#21
Lexus Test Driver
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08-27-12, 01:48 PM
#25
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Join Date: Aug 2012
Location: MA
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hey i took a ton of pics while doing mine, these should come in handy for anyone lookin for more guidance doing theirs. not everyone can go in blind like you :P
Last edited by GregBrown; 08-27-12 at 02:03 PM.
11-11-13, 11:16 AM
#26
Driver School Candidate
Thanks for the inspiring comments. Akabond nothing was plug and play, I wrote that before. I had to modify everything to do those mods. For the front and rear door sills, I got the power tapped with the ignition switch. I used RX 330 door sills and it is almost the same size as the RX300. All you have to do is match it with the door clips and make it shorter little by little for the front door sill. For the rear one, it almost fits perfectly. The original sills comes with orange colors and I changed it to blue by leds. Here are some pictures.
could you tell me if you simply swap bulbs? thanks!
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