公开(公告)号：US09805652B2

公开(公告)日：2017-10-31

申请号：US14810241

申请日：2015-07-27

Applicant: LG Display Co., Ltd.

Inventor： SangKug Han ,  Mardin Kwon ,  KiSul Cho ,  JuhnSuk Yoo ,  KiSu Park

IPC: G09G3/32 ,  G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2310/0262 ,  G09G2320/045 ,  G09G2320/046

Abstract: When using a flexible substrate to protect and support various components of an organic light emitting display device, among components including driving elements disposed on each of pixels of the organic light emitting display device, components where a high-level signal is applied during an emission period are grouped and are disposed on one side of the pixels. Further, components where a low-level signal is applied during the emission period are grouped and are disposed on the other side of the pixels. Accordingly, an electric field occurring due to a potential difference in the flexible substrate is minimized and shifting of a threshold voltage Vth of a thin-film transistor may be minimized. Thus, an OLED without an after-image can be provided.

公开(公告)号：US10176760B2

公开(公告)日：2019-01-08

申请号：US15416536

申请日：2017-01-26

Applicant: LG Display Co., Ltd.

Inventor： KiSu Park ,  JeongHwan Kim

IPC: G09G3/3258 ,  G09G3/3266 ,  G09G3/3291 ,  G09G3/3233

Abstract: Disclosed are an organic light emitting display capable of preventing lowering of brightness and prolonging its a lifespan, and a driving method thereof. The organic light emitting display controls a level of a gate signal, by outputting a gate high voltage after controlling a level of the gate high voltage, according to a level of a threshold voltage sensed from each pixel of a display panel.

公开(公告)号：US09607547B2

公开(公告)日：2017-03-28

申请号：US14568452

申请日：2014-12-12

Applicant: LG Display Co., Ltd.

Inventor： KiSu Park ,  JeongHwan Kim

IPC: G09G3/32 ,  G09G3/3258

CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3291 ,  G09G2300/0819 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/045 ,  G09G2320/048 ,  G09G2320/0626

Abstract: Disclosed are an organic light emitting display capable of preventing lowering of brightness and prolonging its a lifespan, and a driving method thereof. The organic light emitting display controls a level of a gate signal, by outputting a gate high voltage after controlling a level of the gate high voltage, according to a level of a threshold voltage sensed from each pixel of a display panel.

公开(公告)号：US20160035277A1

公开(公告)日：2016-02-04

申请号：US14810241

申请日：2015-07-27

Applicant: LG Display Co., Ltd.

Inventor： SangKug Han ,  Mardin Kwon ,  KiSul Cho ,  JuhnSuk Yoo ,  KiSu Park

IPC: G09G3/32

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2310/0262 ,  G09G2320/045 ,  G09G2320/046

Abstract: When using a flexible substrate to protect and support various components of an organic light emitting display device, among components including driving elements disposed on each of pixels of the organic light emitting display device, components where a high-level signal is applied during an emission period are grouped and are disposed on one side of the pixels. Further, components where a low-level signal is applied during the emission period are grouped and are disposed on the other side of the pixels. Accordingly, an electric field occurring due to a potential difference in the flexible substrate is minimized and shifting of a threshold voltage Vth of a thin-film transistor may be minimized. Thus, an OLED without an after-image can be provided.

Abstract translation: 当使用柔性基板来保护和支持有机发光显示装置的各种部件时，在包括设置在有机发光显示装置的每个像素上的驱动元件的部件中，在发光期间施加高电平信号的部件 被分组并且被布置在像素的一侧上。 此外，在发射周期期间施加低电平信号的部件被分组并且被布置在像素的另一侧上。 因此，由于柔性基板上的电位差而产生的电场被最小化，薄膜晶体管的阈值电压Vth的偏移可能被最小化。 因此，可以提供没有后置图像的OLED。