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Method and device for accessing buffer of display

An access method and display device technology, applied in the field of buffer access, can solve problems such as increased cost and area requirements, and achieve the effect of reducing residual effects

Inactive Publication Date: 2013-08-14
MEDIATEK INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, for LCD modules, the use of multiple buffers will increase the cost and area requirements

Method used

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  • Method and device for accessing buffer of display
  • Method and device for accessing buffer of display
  • Method and device for accessing buffer of display

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Embodiment Construction

[0014] Certain terms are used throughout the description and claims to refer to particular components. Those skilled in the art should understand that a manufacturer may use different terms to refer to the same component. The specification and claims do not use the difference in name as a way to distinguish components, but use the difference in function of components as a distinguishing criterion. "Includes" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". In addition, the term "coupled" herein includes any direct and indirect means of electrical connection. Through the description of the following preferred embodiments and in conjunction with the full text Figure 1 to Figure 5 The present invention is illustrated, but the devices, components, methods, and steps in the following description are used to explain the present invention, and should not be used to limit the present invention.

[001...

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Abstract

The invention provides a method and device for accessing buffer of display, wherein the buffer is capable of storing frame data of at least one frame and the frame has a plurality of lines. A read line position that indicates a line currently being read in the buffer is obtained, wherein the line currently being read is to be shown on a screen of the display. A first time period is delayed to update the buffer when the read line position is smaller than a reference line position. In this invention, through the method and device for accessing buffer and the display, residual effect is decreased without changing PCB and LCM designs.

Description

technical field [0001] The present invention relates to a method for accessing a buffer of a display, and in particular to a method for accessing a buffer of a display which can avoid the residual effect of the display. Background technique [0002] Nowadays, portable devices equipped with liquid crystal display modules (LCD modules, LCMs) capable of displaying images, videos, etc. are more and more common. The content to be displayed can be read from the frame buffer and displayed on the screen of the liquid crystal display module. However, since the read time of the frame buffer of the LCD module is different from the refresh time of the frame buffer of the LCD module, the carryover effect is a typical problem of the LCD module. Therefore, the content displayed on the screen of the liquid crystal display module may contain old content and updated content. [0003] To solve the problem described previously, a multiplex buffer can be used, and the displayed content can be ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/20G09G3/36
CPCG09G3/20G09G3/36G09G5/393G09G5/395
Inventor 黄辰龙黄丞安邓淑文
Owner MEDIATEK INC