公开(公告)号：US20180151117A1

公开(公告)日：2018-05-31

申请号：US15814040

申请日：2017-11-15

Applicant: LG DISPLAY CO., LTD.

Inventor： Namseok CHOI ,  Jintaek CHOI ,  Jeisung LEE

IPC: G09G3/3225

CPC classification number: G09G3/3225 ,  G09G2320/0285 ,  G09G2320/041 ,  G09G2320/043 ,  G09G2320/0666 ,  G09G2330/10 ,  G09G2330/12 ,  G09G2360/16

Abstract: An organic light emitting display device includes a display panel and a deterioration compensation unit. The display panel comprises a plurality of unit pixels each comprising at least three sub-pixels corresponding to different colors and an organic light emitting diode. The deterioration compensation unit generates deterioration estimation data of each of the sub-pixels based on cumulative data of each of the sub-pixels, generates first and second temperature deterioration data based on display temperature data corresponding to temperature of the organic light emitting display device, calculates an individual compensation gain corresponding to each of the sub-pixels based on the deterioration estimation data and the first and second temperature deterioration data, and corrects input data of each of the sub-pixels based on the individual compensation gain of each of the sub-pixels.

公开(公告)号：US20210201819A1

公开(公告)日：2021-07-01

申请号：US17115608

申请日：2020-12-08

Applicant: LG Display Co., Ltd.

Inventor： Jintaek CHOI ,  Chulha PARK

IPC: G09G3/3275

Abstract: According to an embodiment of the present disclosure, a method for controlling a display device includes inputting frame data for each frame input period of a vertical synchronization signal, accumulating stress data for some pixels in predetermined accumulation units based on the frame data for each blank period of the vertical synchronization signal, accumulating an input time of the frame data, calculating a correction gain value for correcting the accumulated stress data based on the input time accumulated when the accumulation of the stress data is completed for all pixels, correcting the accumulated stress data based on the correction gain value, and storing the corrected accumulated stress data.

公开(公告)号：US20190189050A1

公开(公告)日：2019-06-20

申请号：US16191875

申请日：2018-11-15

Applicant: LG Display Co., Ltd.

Inventor： Jintaek CHOI ,  Kipyo HONG ,  Jooyoung AN

IPC: G09G3/3225

Abstract: The present disclosure a display device includes: a display panel including subpixels displaying an image; and a life controller controlling at least any one of a compensation rate and a delay rate of the subpixels on the basis of usage data obtained by calculating usage of the display panel and life data of the subpixels.

公开(公告)号：US20150154908A1

公开(公告)日：2015-06-04

申请号：US14547878

申请日：2014-11-19

Applicant: LG DISPLAY CO., LTD.

Inventor： Woojin NAM ,  Jintaek CHOI ,  Seongmin CHOI

IPC: G09G3/32

CPC classification number: G09G3/3233 ,  G09G2300/0408 ,  G09G2300/0842 ,  G09G2310/0251 ,  G09G2320/0295 ,  G09G2320/041 ,  G09G2320/045 ,  G09G2330/08

Abstract: Provided is an organic light emitting diode (OLED) display device including a plurality of pixels to display images, each of the pixels including an OLED, a driving transistor connected to the OLED, and a switching transistor configured to supply data signals to the OLED, the device including: a sensor configured to sense a change amount of a mobility of the driving transistor; a compensation value calculator configured to obtain a change amount of a threshold voltage of the driving transistor based on the sensed change amount of the mobility; and a data compensator configured to adjust the data signals based on the sensed change amount of mobility and the obtained change amount of the threshold voltage.

Abstract translation: 提供了一种包括多个像素以显示图像的有机发光二极管（OLED）显示设备，每个像素包括OLED，连接到OLED的驱动晶体管和被配置为向OLED提供数据信号的开关晶体管， 所述装置包括：传感器，被配置为感测所述驱动晶体管的迁移率的变化量; 补偿值计算器，被配置为基于所感测的移动性的改变量来获得驱动晶体管的阈值电压的变化量; 以及数据补偿器，被配置为基于所感测的迁移率的变化量和所获得的阈值电压的改变量来调整数据信号。