Electrical Engineering Stack Exchange
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Questions tagged [lcd]

Short for Liquid Crystal Display. LCDs consume little power, and exist in graphic LCDs, or segmented. The latter type is used for character and 7-segment digit display, and also in custom LCDs for consumer electronics.

Further reading:

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What is this unusual LCD controller technology?

Preface: Even if you do not have a definite answer, I would greatly like feedback from anyone who has even seen an LCD using this technology. I recently took apart a Canon digital camera from the late 1990s and obtained an unusual LCD display.…
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Differences between OLED, LED, LCD, and TFT Screens

I have heard about these different types of screens on DIY websites and in consumer electronics. What are the differences in these types of screens and what are their advantages and disadvantages?
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Best serial monitor?

I just recently started using a Sparkfun serial LCD. I am able to control it through an arduino, but I want to be able to control it through a terminal on my computer. To be able to move the cursor or clear the screen, you need to be able to send…
Hristos
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Do graphical/pixel mapped LCDs need a screensaver?

Will displaying the same for a very long time on a graphical or pixel mapped LCD harm the display in any way? If so, what would be a maximum time to display the same, or how could I determine that time? Would it be a good idea to implement some…
user17592
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Reusing laptop monitors

I have a 17" laptop monitor with a 1920x1200 (WUXGA I beleive it's called? or just UXGA?) resolution which I simply love. Now, assuming the laptop dies before the monitor does, would anyone know if it would be possible to salvage the monitor? Are…
falstro
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What are rubbery, conductive strips called on the sides of an LCD screen?

I found a component attached to a PCB inside one of my old $5 devices. There are pink, rubbery things attached to either side of the LCD that can bend and were firmly attached (glued?), and there are a lot of exposed conductive traces where the pink…
nimsson
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Why there are no circular LCDs?

There are some potential uses for round LCDs, for example smart watches. Searching reveals couple news from while ago but I haven't seen any in real use. What is the main reason why these non rectangular displays are not…
Petteri H
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DSP recommendation for beginners

I am considering a project involving a fair share of digital signal processing. As far as I know, the best type of IC suited for this are the Digital Signal Processors. I have never worked with them before - can you recommend me any model that is…
Dominik
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How to drive 1080p with only 540 pins?

I was trying to hack a 3-D system starting from the monitor: VG248QE. I teared it down to LCD matrix and driver. This is a 1080p(1920 x 1080) monitor so I was expecting that at least 1080(row) + 1920(columnn) = 2000 pins wired from the LCD driver to…
Alper91
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Mysterious LCD interface without wires

I was ripping off a Center 352 Infrared Thermometer. The basic functionality is to sense the temperature and display it on an LCD. The LCD turned out to have no interface to the controller. The PCB had 3 LEDs which were focused onto the LCD to…
seetharaman
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Why are LCD panels polarized at 45 degrees?

I understand the principle of operation of LCD panels, but I am wondering why the specific output angle of polarization was chosen over, say, horizontal or vertical.
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Arduino hooking up LCD without POT

I am using this LCD: Plus I am using an Arduino. I am trying to hook this up but without a 10K pot. How is this possible? Every tutorial I found involved the 10K potentiometer
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How does 13 connections control a simple LCD with 34 segments?

Inside my digital scales I find a 7-segment style LCD capable of displaying "-88:8.8" plus 3 symbols indicating Kg, Lb or St. This adds up to 34 individual segments, assuming the colon is a single symbol. The LCD is connected via one of those rubber…
Trygve Flathen
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1000 Hz+ refresh rate displays/ projectors? (for making volumetric displays)

I have found only few volumetric displays for the kind of effect I'm looking for. They can be divided by two characteristics into two separate groups each: rotating or moving screens, and moving screens with a high refresh rate projector projecting…
Leo Ervin
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Do LEDs require more power to function as they age?

I have a strange issue with the LED backlights of the LCD monitor i'm using. I have had it for about 5 years and up until this time have run it at only 10% brightness to reduce eye strain. However recently I have had an issue where some of the LEDs…
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