The working principle of LCD display
Because liquid crystal displays (LCD) have many advantages that other displays cannot match, such as low power consumption, small size, light weight, and ultra-thin, they have been widely used in various intelligent instruments and low-power electronic products. Dot matrix (or graphic) LCD can not only display characters, numbers, but also display various graphics, curves and Hanyu, and can realize the functions of scrolling, animation, flashing, and text feature display on the screen. It is very useful. widely. In the field of flat panel display devices, liquid LCDs, electroluminescent displays (EL), plasmas (PDP), light emitting diodes (LED), low-voltage fluorescent display devices (VFD), etc. are currently widely used. 1LCD display>Characteristics of LCD display device as a new type of passive display device. Compared with the traditional active display device, it has the following characteristics. (I) Low-voltage micro-power consumption. devices usually have a working voltage of only 3 to 5V, and a working current of only a few microamperes per square centimeter, which makes it possible to cooperate with large-scale integrated circuits. The voltage of a general electronic type picture tube is 1-20kV, and the current is 10-100A. (2) Flat structure. The LCD screenstructure is a sandwich box structure composed of two pieces of glass. It has two main advantages. One is that it is very convenient to use. It is suitable for large, small or miniature. It can accommodate the largest in a limited area. The amount of information. The second is that it is suitable for mass production in terms of technology, and the liquid crystal production line adopts the integrated production process. (3) It does not emit light by itself. The passive display type liquid crystal itself does not emit light and relies on the modulation of external light to display, while other active display devices mainly rely on the active light emission of the display device to stimulate the human eye to achieve display, while the liquid crystal relies on different reflections of light. Contrast presented to achieve the purpose of display. (4) Not afraid of light erosion. The so-called light washout means that when the ambient light is brighter, the displayed information is diluted; while the passive display does not emit light, so the stronger the external light brightness, the clearer the content of the modulated light information display. (5) The amount of information displayed is large. Compared with the general CRT display, LCD display has no shadow mask limitation, and the pixels can be made small, so that more high-definition images can be displayed in a certain display area. (6) Easy to colorize. Compared with other display technologies, the colorization of liquid crystal is easier to achieve, and there are many methods, which are not easy to produce color distortion. (7) It is not easy to produce electromagnetic radiation during display. In this way, environmental pollution can be reduced and information leakage can be avoided. 2. Classification of LCD displays Due to the electro-optical effects of the anisotropy of liquid crystals, especially twisted nematic and super twisted effects, different types of display devices can be made (Liquid Crystal Display, referred to as LCD). Common ones are TN (Twist Nematic) twisted nematic liquid crystal and STN (Super TN) liquid crystal.
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Cell phones are an essential part of our daily lives. Can You Warranty Your Phone for a Cracked mobile phone LCD Screen?
Smartphones have become an integral part of our lives today.
Samsung is one of the most well-known names in the world of mobile phones.
Samsung Galaxy S4 was a hit in the market, and its users have been happy with its features and performance. Does LCD Phone Screen Hurt Your Eyes?
With the increasing usage of smartphones in our daily lives, the amount of time we spend staring at a screen has also increased.
We all know the sinking feeling of dropping our cell phone in water. Introduction:
An LCD screen on a phone is the most delicate and vulnerable thing that can easily break due to falls or mishandling.
It is frustrating to have a burned LCD screen on your phone. How to Fix Shadow on LCD Screen Samsung Phone
Samsung is among the top and most popular brands in the smartphone industry.
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If you're wondering where the LCD on your phone is, you've come to the right place.
If youre using a Samsung M20, you must be familiar with the importance of having a proper screen. How Much to Fix mobile phone LCD Phone Screen at Apple: Everything You Need to Know
It's no secret that a cracked or broken phone screen can be a major inconvenience.
If you have ever broken your phone screen, then you know the feeling of despair that comes along with it. Introduction:
There is nothing more frustrating than cracking the screen of your expensive smartphone.
Cellphones are an essential part of our daily lives. How to Break the mobile phone LCD in My Phone Screen
Have you ever found yourself in need of breaking the mobile phone LCD in your phone screen? Maybe you are looking to upgrade or switch to a new phone, or perhaps you just want to cause some damage to your old device.
We all know how important our cell phones are to us. Mobile phones are a necessity in today's world.
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