Method of and display control device for emulating OLED degradation for OLED display panel

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United States of America Patent

PATENT NO 11587503
APP PUB NO 20220148499A1
SERIAL NO

17094811

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Abstract

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A method of and a display control device for emulating OLED degradation for an OLED display panel are proposed, where the OLED display panel includes pixels, and each of the pixels includes subpixels. The method includes the following steps. A current image signal is received. A driving signal level for each of the subpixels is determined based on the current image signal. An actual surface temperature of each of the subpixels is estimated based on the corresponding driving signal level. An accumulated stress of each of the subpixels is computed based on the corresponding driving signal level, the corresponding actual surface temperature, and at least one previous image signal prior to the current image signal. A degradation map that emulates OLED degradation of the OLED display panel is generated based on the accumulated stress of each of the subpixels.

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Patent Owner(s)

  • NOVATEK MICROELECTRONICS CORP.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Du, YuanJia Shandong, CN 11 37
Han, Qiqiang Shaanxi, CN 8 2
Liang, JianHua ShaanXi, CN 17 59

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