Overdriving apparatus and overdriving value generating method

A generation method and overdrive technology, applied to instruments, static indicators, etc., can solve problems such as increased hardware costs

Inactive Publication Date: 2012-05-16
INNOLUX CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the overdrive device 100 includes two frame buffers, resulting in an increase in hardware cost

Method used

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  • Overdriving apparatus and overdriving value generating method
  • Overdriving apparatus and overdriving value generating method
  • Overdriving apparatus and overdriving value generating method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0087] figure 2 It is a system diagram of a display 200 according to an embodiment of the present invention. Please refer to figure 2 , in this embodiment, the display 200 includes a timing controller (timing controller) 210, a source driver (source driver) 220, a gate driver (gate driver) 230, a display panel (display panel) 240 and a backlight module (backlight module) )250. Here, the display 200 may be a liquid crystal display (LCD), and the display panel 240 is correspondingly a liquid crystal display panel. Generally speaking, the display panel 240 has a plurality of pixels P arranged in an array, and is driven by the source driver 220 and the gate driver 240, and displays an image through the (surface) light source provided by the backlight module 250. the goal of.

[0088] In addition, if figure 2 As shown, the source driver 220 drives the display panel 240 according to the overdrive value OD provided by the timing controller 210 , and the timing controller 210 ...

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PUM

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Abstract

An overdriving apparatus including a frame state calculating unit, a white tracking unit, and an overdriving value generator is provided. The frame state calculating unit generates a frame state index according to a previous frame data and a current frame data. The white tracking unit coupled to the frame state calculating unit has pretilt white tracking tables. When the frame state index indicates that a current frame is a dynamic frame, the white tracking unit selects at least one of the pretilt white tracking tables according to the frame state index and finds color grayscales corresponding to the current frame data according to the selected pretilt white tracking table. The overdriving value generator coupled to the white tracking unit generates overdriving values corresponding to the current frame data according to the color grayscales and previous color grayscales.

Description

technical field [0001] The present invention relates to an overdrive device and a method for generating an overdrive value, and in particular relates to an overdrive device and a method for generating an overdrive value that can improve liquid crystal response speed. Background technique [0002] In recent years, with the vigorous development of semiconductor technology, portable electronic products and flat panel display products are also emerging. Among many types of flat panel displays, Liquid Crystal Display (LCD) has become the mainstream of various display products due to its advantages of low voltage operation, no radiation scattering, light weight and small size. [0003] Generally speaking, because the reaction speed of the liquid crystal molecules of the liquid crystal display is too slow, it is easy to cause blurring and afterimage phenomenon. In view of this, the conventional technology utilizes over driving (over driving) technology to improve this problem. Ac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/20G09G3/36
CPCG09G2320/0252G09G2320/041G09G3/20G09G3/3611G09G3/36G09G2320/0261
Inventor 杨富吉石明家
Owner INNOLUX CORP
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