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Display screen with adjustable partial backlights

A display and adjustable technology, applied in the display field, can solve problems such as screen impact

Inactive Publication Date: 2012-05-16
KUNDA COMP TECHKUSN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But in life, due to the difference of external light sources, sometimes it may only affect a certain area of ​​the screen

Method used

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  • Display screen with adjustable partial backlights
  • Display screen with adjustable partial backlights
  • Display screen with adjustable partial backlights

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Embodiment Construction

[0014] Please refer to 1, figure 2 As shown, the present invention provides a display screen with adjustable partial backlight, which includes a display screen 10, several backlight sources 20, several photosensitive sensors 30 and a control unit 40. In this embodiment, the display screen 10 is an LED display Screen. The display screen 10 is divided into several areas 11; in this embodiment, the display screen 10 is divided into eight areas 11; the number of areas 11 can be set as required. The backlight 20 is respectively arranged in different regions 11 of the display screen 10, and the backlight 20 adjusts the brightness of the backlight in the corresponding region 11 by applying the voltage respectively; the brightness of the backlight is divided according to the brightness level, for example , the brightness level includes 1-8 levels, the 1st level is the darkest, and the voltage applied to the backlight 20 is the smallest; the 8th level is the brightest, and the voltag...

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PUM

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Abstract

The invention provides a display screen with adjustable partial backlights, which comprises a display screen, a plurality of backlights, a plurality of photosensitive sensors and a control unit, wherein the display screen is divided into a plurality of areas; the backlights are respectively arranged in different areas of the display screen and respectively adjust backlight brightness in corresponding areas according to the magnitudes of applied voltages; the photosensitive sensors are respectively arranged on the external sides of different areas of the display screen and are used for changing the output voltage values of the photosensitive sensors according to the intensity of ambient light; and the control unit is connected with the photosensitive sensors and the backlights and determines the magnitude of voltage applied to the backlights in the areas according to the output voltage values of the photosensitive sensors. By using the photosensitive sensors and distributing the photosensitive sensors in different areas of the display screen for sensing the intensity of the ambient light in different areas, the backlight brightness of corresponding areas can be controlled conveniently.

Description

【Technical field】 [0001] The invention relates to a display screen, in particular to a display screen with adjustable partial backlight. 【Background technique】 [0002] Liquid crystal displays are generally composed of fluorescent tubes, light guide plates, polarizers, filter plates, glass substrates, alignment films, liquid crystal materials, thin-mode transistors, and the like. First of all, the liquid crystal display must first use the backlight, that is, the fluorescent tube to project the light source, and first pass through the filter of the polarizer and filter plate to form parallel light perpendicular to the display screen and transmit it to the liquid crystal. The arrangement of liquid crystal molecules will change the angle of light that penetrates the liquid crystal. We only need to change the voltage value applied to the liquid crystal to control the intensity and color of the final light, so that color combinations of different hues can be formed on the liquid ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/22G09G3/32G01J1/00G09G3/34
Inventor 谢书慧
Owner KUNDA COMP TECHKUSN