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Brightness control system and brightness control method for liquid crystal display equipment

A technology of brightness control and liquid crystal display, applied in static indicators, instruments, etc., can solve problems such as the inability to guarantee visual effects, and achieve the effect of reducing the difficulty of updating and saving energy consumption

Inactive Publication Date: 2019-08-20
上海权策微电子技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a brightness control system and control method of a liquid crystal display device, which can effectively solve the above-mentioned inadequacies of not being able to ensure the visual effect according to the ambient light conditions

Method used

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  • Brightness control system and brightness control method for liquid crystal display equipment
  • Brightness control system and brightness control method for liquid crystal display equipment
  • Brightness control system and brightness control method for liquid crystal display equipment

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Experimental program
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Effect test

Embodiment 1

[0020] Such as Figure 1 to Figure 4 As shown, a brightness control system and control method of a liquid crystal display device, including a liquid crystal display module 1, a camera 2 and a power management system, the liquid crystal display module 1 adopts BOE liquid crystal module MV190E0M-N10, the camera adopts an OV7670 camera, and the camera 2 Set in front of the liquid crystal display module 1, the camera can capture the brightness of the liquid crystal display module, and the camera can also capture the light intensity of the surrounding environment of the liquid crystal display module, the power management system is set in the liquid crystal display module 1, the power management system Including image acquisition module, computing unit, image analysis module, multi-channel drive module, the image acquisition module adopts OV7670 camera driver module, the main function of the image analysis module is to analyze whether the visual effect is suitable, and ordinary singl...

Embodiment 2

[0023] Such as Figure 1 to Figure 4 As shown, a brightness control system and control method of a liquid crystal display device, including a liquid crystal display module 1, a camera 2 and a power management system, the liquid crystal display module 1 adopts BOE liquid crystal module MV190E0M-N10, the camera adopts an OV7670 camera, and the camera 2 Set in front of the liquid crystal display module 1, the camera can capture the brightness of the liquid crystal display module, and the camera can also capture the light intensity of the surrounding environment of the liquid crystal display module, the power management system is set in the liquid crystal display module 1, the power management system Including image acquisition module, computing unit, image analysis module, multi-channel drive module, the image acquisition module adopts OV7670 camera driver module, the main function of the image analysis module is to analyze whether the visual effect is suitable, and ordinary singl...

Embodiment 3

[0026] Such as Figure 1 to Figure 4 As shown, a brightness control system and control method of a liquid crystal display device, including a liquid crystal display module 1, a camera 2 and a power management system, the liquid crystal display module 1 adopts BOE liquid crystal module MV190E0M-N10, the camera adopts an OV7670 camera, and the camera 2 Set in front of the liquid crystal display module 1, the camera can capture the brightness of the liquid crystal display module, and the camera can also capture the light intensity of the surrounding environment of the liquid crystal display module, the power management system is set in the liquid crystal display module 1, the power management system Including image acquisition module, computing unit, image analysis module, multi-channel drive module, the image acquisition module adopts OV7670 camera driver module, the main function of the image analysis module is to analyze whether the visual effect is suitable, and ordinary singl...

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Abstract

The invention discloses a brightness control system and a brightness control method for liquid crystal display equipment. The system comprises a liquid crystal display module, a camera and a power management system, the camera is arranged in front of the liquid crystal display module; the power management system is arranged in the liquid crystal display module; the power management system comprises an image acquisition module, an operation unit, an image analysis module and a multi-path driving module. The multi-path driving module comprises a plurality of m*n order matrix type arranged backlight units; wherein the camera is connected with the image acquisition module, the image acquisition module is connected with the image analysis module, the image analysis module is connected with thearithmetic unit, the arithmetic unit is connected with the multi-path driving module, the multi-path driving module is connected with the liquid crystal display module, and a centralized low-power-consumption decision-making component is adopted, so that the system updating difficulty is reduced; the camera is used for directly simulating the human visual angle, analysis (an image analysis module)is conducted according to the illumination condition of the visual field range, brightness is adjusted, and energy consumption is reduced while the visual effect obtained by human eyes is guaranteed.

Description

technical field [0001] The invention belongs to the technical field of power management, and in particular relates to a brightness control system and a control method of a liquid crystal display device. Background technique [0002] The liquid crystal display device brings a good look and feel with its good resolution. The outdoor large-screen liquid crystal display device is used as the carrier of outdoor information dissemination, which brings good visual and auditory enjoyment to the audience, and also builds a powerful publicity channels. This equipment has been popularized along with the increase of people's leisure activities and tourism, and the wide application of high and new technologies. [0003] The effect of large-screen liquid crystal display devices is inseparable from the backlight module. While large-screen liquid crystal display devices bring good visual experience, they also have the disadvantage of huge power consumption. In order to improve, the existi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/34
CPCG09G3/3406G09G3/3426G09G2320/0626
Inventor 王鲁文徐鹤川徐刚
Owner 上海权策微电子技术有限公司
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