公开(公告)号：US10750148B2

公开(公告)日：2020-08-18

申请号：US16071461

申请日：2016-12-19

Applicant: IIX INC.

Inventor： Makoto Hatakenaka ,  Takashi Sakamoto ,  Keisuke Okada

IPC: H04N9/69 ,  G09G3/20 ,  G09G3/36 ,  G09G3/3233

Abstract: An unevenness correction system according to the present invention includes a panel drive circuit provided with a gamma correction circuit that performs gamma correction on an image signal input to an input interface, a gamma correction information acquisition circuit that acquires a gamma correction signal obtained through gamma correction as gamma correction information, an unevenness correction circuit that performs an unevenness correction on the gamma correction signal based on correction data, and an output interface that externally outputs the gamma correction information, and an unevenness correction apparatus provided with a pattern generator that outputs the image signal of a predetermined image to the input interface, and a control unit that generates correction data based on gamma correction information of each individual display panel input to and read by a gamma correction information reading unit from the output interface regarding the output image signal.

公开(公告)号：US20190037188A1

公开(公告)日：2019-01-31

申请号：US16071461

申请日：2016-12-19

Applicant: IIX INC.

Inventor： Makoto Hatakenaka ,  Takashi Sakamoto ,  Keisuke Okada

IPC: H04N9/69 ,  G09G3/36 ,  G09G3/3233

Abstract: An unevenness correction system according to the present invention includes a panel drive circuit provided with a gamma correction circuit that performs gamma correction on an image signal input to an input interface, a gamma correction information acquisition circuit that acquires a gamma correction signal obtained through gamma correction as gamma correction information, an unevenness correction circuit that performs an unevenness correction on the gamma correction signal based on correction data, and an output interface that externally outputs the gamma correction information, and an unevenness correction apparatus provided with a pattern generator that outputs the image signal of a predetermined image to the input interface, and a control unit that generates correction data based on gamma correction information of each individual display panel input to and read by a gamma correction information reading unit from the output interface regarding the output image signal.