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Backlight control method and apparatus and panel display equipment

A technology for backlight control and display signals, which is applied in the fields of devices, backlight control methods, and flat panel display equipment, and can solve the problems of unintuitive brightness indication of flat panel display equipment, etc.

Active Publication Date: 2010-08-18
TCL CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the embodiment of the present invention is to provide a backlight control method, aiming to solve the problem that the brightness indication of the flat panel display device in the prior art is not intuitive

Method used

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  • Backlight control method and apparatus and panel display equipment
  • Backlight control method and apparatus and panel display equipment
  • Backlight control method and apparatus and panel display equipment

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Embodiment Construction

[0026] In order to make the objectives, technical solutions and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0027] FIG. 1 shows the implementation process of the backlight control method provided by the embodiment of the present invention. The detailed steps are as follows:

[0028] In step S101, the movement board generates a display signal, such as a video RGB signal, and sends the display signal to the dynamic backlight processing unit.

[0029] In step S102, dynamic backlight processing is performed according to the display signal to obtain a backlight control signal.

[0030] In the embodiment of the present invention, the dynamic backlight processing unit receives the display signal, and then proc...

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Abstract

The invention is suitable for the field of backlight control and provides a method, a device and a flat display device of backlight control, wherein the method comprises the following steps: obtaining backlight control signals through carrying out dynamic backlight processing according to display signals, generating brightness indication graphs according to the backlight control signals, overlapping the brightness indication graphs on the display signals, and then displaying the brightness indication graphs. In the embodiment of the invention, the backlight control signals are directly displayed on an LCD through being converted into the brightness indication graphs, thereby obtaining the ratio between the current power and the maximum power according to the brightness indication graphs.

Description

Technical field [0001] The invention belongs to the field of backlight control, and in particular relates to a backlight control method, device and flat panel display equipment. Background technique [0002] The dynamic backlight of flat panel display devices (such as LCD) includes Cold Cathode Fluorescent Lamp (CCFL) backlight and LED backlight. RGB signals are transmitted from the core board to the dynamic backlight processing unit and processed by the dynamic backlight processing unit. Generate a new RGB signal and transmit it to the LCD display, and at the same time generate one or a group of backlight control signals, which are output to the backlight module to control the brightness of the backlight module. [0003] In order to achieve the effect of saving power in the traditional way, an external power meter is required to show that the LCD TV has different power requirements under different screens, and the improvement of contrast requires the use of an LCD TV with dynamic ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/34G09G3/36G09G5/10
Inventor 闫晓林邵诗强
Owner TCL CORPORATION