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What is the internal basic structure of the liquid crystal display?

日期: 2018-12-11
浏览次数: 4

In the internal structure of the liquid crystal display, we can roughly divide it into two parts: "backlight module" and "liquid crystal panel module".

The structure of a liquid crystal display converts a picture signal to be converted into an electronic signal, which is converted into a minute pixel on the liquid crystal layer, and then forms a state in which backlight light can pass or block light. At this point, each pixel can not only show the brightness change, in order to express a color picture, it is necessary to add two complicated electronic signals of gray scale and hue, and such a large number of liquid crystal panel pixel groups constitute a picture in the liquid crystal display.

 What is the internal basic structure of the liquid crystal display?

 

LCD internal structure

  The liquid crystal panel can enclose the liquid crystal molecular layer in the middle of the upper/lower glass substrate assembly of the color filter substrate module (polarizing plate, color filter, common electrode, transparent conductive film)  and the pixel drive substrate module (polarizing plate, thin film transistor, pixel electrode, transparent conductive film, guiding film)the color filter substrate assembly located above is composed of a polarizing plate, a color filter layer and a transparent conductive film (common electrode) on the glass substrate,an alignment film is then processed on the transparent conductive film. On the other hand, the lower pixel driving side substrate assembly is composed of a polarizing plate on a glass substrate, a transparent conductive film (pixel electrode, thin film transistor), and a guiding film is formed on the transparent conductive film.

What is the internal basic structure of the liquid crystal display?LCD panel profile

On the other hand, the backlight source is constructed by a light source of an LED (Light Emitting Diode), a diffusion sheet, and a diffusion plate. In general, a liquid crystal panel module refers to a liquid crystal panel and a driver IC and a printed circuit board. In general, the liquid crystal display is the output of the liquid crystal panel module, and the electronic circuit control module of the liquid crystal display is converted into an electronic number, and the light emitted by the backlight module is controlled by the liquid crystal panel module.


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