公开(公告)号：US10332455B2

公开(公告)日：2019-06-25

申请号：US14740973

申请日：2015-06-16

Applicant: Samsung Display Co., Ltd.

Inventor： Byungki Chun ,  Jeonghun So ,  Wonwoo Jang

IPC: G09G3/3225 ,  G09G3/3275

Abstract: An organic light-emitting display device includes: a display panel including a plurality of pixels, each of the plurality of pixels including an organic light-emitting device configured to emit colored light; a gamma data generating unit configured to generate gamma data corresponding to received RGB data; a correction rate calculating unit configured to determine a luminance correction rate of each of the plurality of pixels based on the gamma data respectively corresponding to the plurality of pixels; and a correction value determining unit configured to determine a luminance correction value of a color displayed via each of the plurality of pixels.

公开(公告)号：US10861416B2

公开(公告)日：2020-12-08

申请号：US16186353

申请日：2018-11-09

Applicant: Samsung Display Co., LTD.

Inventor： Haneul Kim ,  Byungki Chun

IPC: G09G5/06

Abstract: A method of performing color gamut conversion obtains an ICC profile from image data and extracts XYZ values of red, green, blue, cyan, magenta, yellow, and white of a target color gamut of an image and X′Y′Z′ values of red, green, blue, cyan, magenta, yellow, and white of a reference color gamut of a display device from the ICC profile. The method further calculates a reference color gamut applying matrix that converts the XYZ values to the X′Y′Z′ values, RGB values of red, green, blue, cyan, magenta, yellow, and white of the target color gamut, and R′G′B′ values of red, green, blue, cyan, magenta, yellow, and white of the reference color gamut using the reference color gamut applying matrix and a RGB-XYZ converting matrix. A look-up table including the RGB values and the R′G′B′ values is generated and the image data is compensated based on the look-up table.