Brightness compensation data quantity optimization method and device

Abstract

The present invention relates to a brightness compensation data quantity optimization method and device. The method comprises the following steps that: a panel to be compensated is provided, wherein the panel to be compensated is provided with a brightness compensation data memory for storing a plurality of brightness compensation data of the panel to be compensated; the panel to be compensated is externally connected with a data processor, wherein the data processor is provided with a plug-in memory, wherein the plug-in memory stores a piece of judgment information for judging whether the brightness compensation data are required to be compensated or not; the data processor reads the brightness compensation data and divides the brightness compensation data into a plurality of data to be compensated and a plurality of data not requiring compensation according to the judgment information and stores the plurality of data to be compensated and the plurality of data not requiring compensation into the plug-in memory; and the brightness compensation data memory reads and stores the data to be compensated in the plug-in memory.

Description

technical field [0001] The invention relates to a method and equipment for optimizing the amount of brightness compensation data, in particular to a method and equipment for optimizing the amount of brightness compensation data through information stored in an external memory. 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). Organic light-emitting diode display devices have excellent characteristics such as self-illumination, no need for backlight, high contrast, thin thickness, wide viewing angle, fast response speed, can be used for flexible panels, wide operating temperature range, and relatively simple structure and manufacturing process. It is considered as an emergi...

AI Technical Summary

Problems solved by technology

[0007] At present, this method is relatively simple and easy, but the premise of calculating the brightness compensation data is to assume that the panel to be compensated is already a standard Gamma2. To be accurately controlled, and the center point to be compensated (mura) generally cannot be eliminated, so it will be easier to affect the final effect of Demura

[0008] At the same time, by default, the calculation will be performed for each area, and in order to ensure the Demura effect, the minimum unit of the area to be compensated should not be too large (generally 8*8 pixel units), so the final brightness compensation data of the entire panel to be compensated The amount will be larger, so the capacity of the external memory (Demura flash) will be larger, and the internal RAM of the processing IC on the driver board will also be larger, which will also bring limitations on data transmission time and rate.

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