Brightness adjusting system

一种亮度调节、亮度的技术，应用在图像数据处理、仪器、静态指示器等方向，能够解决对比度降低、影响显示效果、降低等问题，达到调节亮度、降低亮度、精准亮度调节的效果

Active Publication Date: 2017-09-15
SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] However, this existing brightness adjustment method has a disadvantage: for a bright image with a large contrast between light and dark, the reduction of the overall brightness of the screen will lead to a decrease in contrast, and will also lose the details of the dark part of the image, affecting the display effect

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Embodiment Construction

[0065] In order to further illustrate the technical means adopted by the present invention and its effects, the following describes in detail in conjunction with preferred embodiments of the present invention and accompanying drawings.

[0066] see figure 1 , the present invention provides a brightness adjustment system, comprising a block division module 1, a brightness representative value calculation module 2 electrically connected to the block division module 1, an edge information extraction module 3 electrically connected to the block division module 1, The adjustment gain calculation module 4 connected to the brightness representative value calculation module 2 and the edge information extraction module 3 , the gain smoothing processing module 5 electrically connected to the adjustment gain calculation module 4 , and the data modulation module 6 electrically connected to the gain smoothing processing module 5 .

[0067] combine figure 1 and figure 2 , the block divis...

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Abstract

The invention provides a brightness adjusting system. The system comprises a block dividing module (1), a brightness representative value calculation module (2), an edge information extraction module (3), an adjusting gain calculation module (4), a gain smooth processing module (5) and a data modulation module (6). According to the invention, by dividing an image into blocks, and combining the brightness representative value of each block and edge information quantity representing the complexity of the image, independent brightness adjustment is performed on each block, so quite precise brightness adjustment can be achieved, it is achieved that the brightness of the bright part image is reduced while the details of the dark part image are kept, and brightness of the blocks of the complex image can be adjusted to the greatest degree.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a brightness adjustment system. Background technique [0002] Flat panel display devices have many advantages such as thin body, power saving, and no radiation, and have been widely used. Existing flat panel display devices mainly include liquid crystal display devices (Liquid Crystal Display, LCD) and organic light emitting diode display devices (Organic Light Emitting Display, OLED). [0003] OLED display devices have many advantages such as self-illumination, low driving voltage, high luminous efficiency, short response time, high definition and contrast, nearly 180° viewing angle, wide operating temperature range, flexible display and large-area full-color display, etc. It is recognized by the industry as the display device with the most development potential. [0004] The OLED display device has a plurality of pixels arranged in a matrix, and each pixel includes a red sub...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/00G06T7/13G06T7/90G09G3/3208
CPCG06T7/13G06T7/90G09G3/3208G06T2207/20192G06T2207/20021G09G2320/0686G06T5/94G06T5/70G09G2320/0626G09G2360/16G09G2320/0646G09G2340/06G09G3/2003G09G2320/0238G09G2320/043G09G2320/066
Inventor 徐京
Owner SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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