公开(公告)号：US09087483B2

公开(公告)日：2015-07-21

申请号：US13850639

申请日：2013-03-26

Applicant: LG DISPLAY CO., LTD.

Inventor： Binn Kim ,  Juhn Suk Yoo ,  Bu Yeol Lee

IPC: G09G3/30 ,  G09G3/32

CPC classification number: G09G3/3266 ,  G09G3/3233 ,  G09G2300/0861 ,  G09G2320/029

Abstract: An organic light emitting display device includes: a plurality of pixel regions. Each of the pixel regions includes: a first transistor configured to apply a data voltage on a first adjacent data line to a first node in response to a scan signal on the primary scan line; a second transistor configured to apply the data voltage on the first adjacent data line to the first node in response to a sensing signal on the secondary scan line; and a third transistor configured to detect a sensing voltage and apply the sensing voltage to a second adjacent data line, The data driver compares the sensing voltage and the data voltage and compensates for the data voltage of next frame, and the scan signal and the sensing signal are generated in different intervals of a single frame.

Abstract translation: 有机发光显示装置包括：多个像素区域。 每个像素区域包括：第一晶体管，被配置为响应于主扫描线上的扫描信号将第一相邻数据线上的数据电压施加到第一节点; 第二晶体管，被配置为响应于辅助扫描线上的感测信号将第一相邻数据线上的数据电压施加到第一节点; 以及第三晶体管，被配置为检测感测电压并将感测电压施加到第二相邻数据线。数据驱动器比较感测电压和数据电压，并补偿下一帧的数据电压，并且扫描信号和感测 信号以单个帧的不同间隔生成。

公开(公告)号：US09231041B2

公开(公告)日：2016-01-05

申请号：US13952325

申请日：2013-07-26

Applicant: LG DISPLAY CO., LTD.

Inventor： Sanghyeon Kwak ,  Namwook Cho ,  Bu Yeol Lee ,  Aram Shin

IPC: H01L51/52 ,  H01L27/32

CPC classification number: H01L27/3276 ,  H01L27/3265

Abstract: Disclosed is an OLED display device. The OLED display device includes a metal line and a thin film transistor that are formed on a substrate, a first insulating layer formed on the metal line and the thin film transistor, a storage electrode formed on the first insulating layer, and connected to the metal line, a second insulating layer formed on the storage electrode, and an anode electrode formed on the second insulating layer to be connected to the thin film transistor and overlapping the storage electrode with the second insulating layer therebetween.

Abstract translation: 公开了一种OLED显示装置。 OLED显示装置包括形成在基板上的金属线和薄膜晶体管，形成在金属线上的第一绝缘层和薄膜晶体管，形成在第一绝缘层上并与金属连接的存储电极 线路，形成在所述存储电极上的第二绝缘层，以及形成在所述第二绝缘层上以连接到所述薄膜晶体管并且与所述存储电极与所述第二绝缘层重叠的阳极。

公开(公告)号：US09125249B2

公开(公告)日：2015-09-01

申请号：US13709235

申请日：2012-12-10

Applicant: LG Display Co., Ltd.

Inventor： Hyoung-Su Kim ,  Bu Yeol Lee ,  Jin-Hyun Jung

IPC: H05B37/02 ,  G09G3/20 ,  G09G3/32

CPC classification number: H05B37/02 ,  G09G3/2048 ,  G09G3/3233 ,  G09G2300/043 ,  G09G2300/0814 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2300/0876 ,  G09G2320/0233 ,  G09G2360/126

Abstract: Disclosed is a pixel circuit which facilitates to compensate a threshold voltage of a driving transistor for controlling an operation state of a light emitting device, and a method for driving thereof and an organic light emitting display device using the same, wherein the pixel circuit includes a light emitting device including an organic light emitting cell; a driving transistor which controls an operation of the light emitting device according to a voltage applied between gate and source terminals; a capacitor including first and second terminals; a switching unit which initializes the capacitor during a current horizontal period, stores a sampling voltage in the capacitor, and makes the light emitting device emit light on the basis of the sampling voltage stored in the capacitor whenever the data voltage and reference voltage are supplied to the data line after the current horizontal period.

Abstract translation: 公开了一种有助于补偿用于控制发光器件的操作状态的驱动晶体管的阈值电压的像素电路及其驱动方法和使用其的有机发光显示器件，其中像素电路包括： 包括有机发光单元的发光器件; 驱动晶体管，其根据施加在栅极和源极端子之间的电压来控制所述发光器件的操作; 包括第一和第二端子的电容器; 在电流水平周期期间初始化电容器的开关单元，在电容器中存储采样电压，并且只要将数据电压和参考电压提供给基于存储在电容器中的采样电压，就使发光器件发光 数据线在当前水平周期后。

公开(公告)号：US20140084805A1

公开(公告)日：2014-03-27

申请号：US13709235

申请日：2012-12-10

Applicant: LG DISPLAY CO., LTD.

Inventor： Hyoung-Su Kim ,  Bu Yeol Lee ,  Jin-Hyun Jung

IPC: H05B37/02

CPC classification number: H05B37/02 ,  G09G3/2048 ,  G09G3/3233 ,  G09G2300/043 ,  G09G2300/0814 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2300/0876 ,  G09G2320/0233 ,  G09G2360/126

Abstract: Disclosed is a pixel circuit which facilitates to compensate a threshold voltage of a driving transistor for controlling an operation state of a light emitting device, and a method for driving thereof and an organic light emitting display device using the same, wherein the pixel circuit includes a light emitting device including an organic light emitting cell; a driving transistor which controls an operation of the light emitting device according to a voltage applied between gate and source terminals; a capacitor including first and second terminals; a switching unit which initializes the capacitor during a current horizontal period, stores a sampling voltage in the capacitor, and makes the light emitting device emit light on the basis of the sampling voltage stored in the capacitor whenever the data voltage and reference voltage are supplied to the data line after the current horizontal period.

Abstract translation: 公开了一种有助于补偿用于控制发光器件的操作状态的驱动晶体管的阈值电压的像素电路及其驱动方法和使用其的有机发光显示器件，其中像素电路包括： 包括有机发光单元的发光器件; 驱动晶体管，其根据施加在栅极和源极端子之间的电压来控制所述发光器件的操作; 包括第一和第二端子的电容器; 在电流水平周期期间初始化电容器的开关单元，在电容器中存储采样电压，并且只要将数据电压和参考电压提供给基于存储在电容器中的采样电压，就使发光器件发光 数据线在当前水平周期后。

公开(公告)号：US10312312B2

公开(公告)日：2019-06-04

申请号：US15520153

申请日：2015-12-31

Applicant: LG Display Co., Ltd.

Inventor： Eui Tae Kim ,  Bu Yeol Lee

IPC: G02F1/1362 ,  H01L51/05 ,  H01L27/146 ,  G02F1/1345 ,  G02F1/1368 ,  G02F1/163 ,  G09G3/3233 ,  G09G3/20 ,  H01L27/12 ,  H01L27/32

Abstract: Provided is a display device. A poly-Si layer is disposed on a substrate. A first metal layer is disposed on the poly-Si layer, and a metal oxide layer is disposed on the first metal layer. A second metal layer is disposed on the metal oxide layer. The first metal layer is overlapped with the second metal layer. The first metal layer and the second metal layer may be gate lines connected to different TFTs.

公开(公告)号：US20140239264A1

公开(公告)日：2014-08-28

申请号：US13952325

申请日：2013-07-26

Applicant: LG DISPLAY CO., LTD.

Inventor： Sanghyeon Kwak ,  Namwook Cho ,  Bu Yeol Lee ,  Aram Shin

IPC: H01L51/52 ,  H01L51/56

CPC classification number: H01L27/3276 ,  H01L27/3265

Abstract: Disclosed is an OLED display device. The OLED display device includes a metal line and a thin film transistor that are formed on a substrate, a first insulating layer formed on the metal line and the thin film transistor, a storage electrode formed on the first insulating layer, and connected to the metal line, a second insulating layer formed on the storage electrode, and an anode electrode formed on the second insulating layer to be connected to the thin film transistor and overlapping the storage electrode with the second insulating layer therebetween.

Abstract translation: 公开了一种OLED显示装置。 OLED显示装置包括形成在基板上的金属线和薄膜晶体管，形成在金属线上的第一绝缘层和薄膜晶体管，形成在第一绝缘层上并与金属连接的存储电极 线路，形成在所述存储电极上的第二绝缘层，以及形成在所述第二绝缘层上以连接到所述薄膜晶体管并且与所述存储电极与所述第二绝缘层重叠的阳极。

公开(公告)号：US20130257831A1

公开(公告)日：2013-10-03

申请号：US13850639

申请日：2013-03-26

Applicant: LG DISPLAY CO., LTD.

Inventor： Binn Kim ,  Juhn Suk Yoo ,  Bu Yeol Lee

IPC: G09G3/32

CPC classification number: G09G3/3266 ,  G09G3/3233 ,  G09G2300/0861 ,  G09G2320/029

Abstract: An organic light emitting display device includes: a plurality of pixel regions. Each of the pixel regions includes: a first transistor configured to apply a data voltage on a first adjacent data line to a first node in response to a scan signal on the primary scan line; a second transistor configured to apply the data voltage on the first adjacent data line to the first node in response to a sensing signal on the secondary scan line; and a third transistor configured to detect a sensing voltage and apply the sensing voltage to a second adjacent data line, The data driver compares the sensing voltage and the data voltage and compensates for the data voltage of next frame, and the scan signal and the sensing signal are generated in different intervals of a single frame.

Abstract translation: 有机发光显示装置包括：多个像素区域。 每个像素区域包括：第一晶体管，被配置为响应于主扫描线上的扫描信号将第一相邻数据线上的数据电压施加到第一节点; 第二晶体管，被配置为响应于辅助扫描线上的感测信号将第一相邻数据线上的数据电压施加到第一节点; 以及第三晶体管，被配置为检测感测电压并将感测电压施加到第二相邻数据线。数据驱动器比较感测电压和数据电压，并补偿下一帧的数据电压，并且扫描信号和感测 信号以单个帧的不同间隔生成。