公开(公告)号：US20140176525A1

公开(公告)日：2014-06-26

申请号：US14134173

申请日：2013-12-19

Applicant: LG DISPLAY CO., LTD.

Inventor： Kyoung Don Woo ,  Nari Kim ,  Jae Hoon Jung

IPC: G09G3/32

CPC classification number: G09G3/3275 ,  G09G3/3233 ,  G09G3/3291 ,  G09G2300/0819 ,  G09G2310/0248 ,  G09G2310/0262 ,  G09G2320/0295 ,  G09G2320/043

Abstract: An organic light emitting display device includes a display panel including a plurality of pixels having an organic light emitting diode and a pixel circuit; a gate driver to supply the plurality of pixels with a scan signal, a sensing signal, and a driving voltage; a data driver to supply data voltages and a reference voltage to the plurality of pixels in a driving mode, and sense voltages charged into the plurality of pixels in a sensing mode; a discharging driving unit to initialize voltages of a plurality of sensing power lines when the display device switches from the driving mode to the sensing mode; a timing controller to control the gate driver, the data driver, and the discharging driving unit to operate in and switch between the driving mode and the sensing mode; and a memory to store compensation data for the plurality of pixels.

Abstract translation: 有机发光显示装置包括：显示面板，包括具有有机发光二极管的多个像素和像素电路; 用于向所述多个像素提供扫描信号，感测信号和驱动电压的栅极驱动器; 数据驱动器，用于以驱动模式向所述多个像素提供数据电压和参考电压;以及在感测模式下感测充电到所述多个像素中的电压; 放电驱动单元，用于在显示装置从驱动模式切换到感测模式时初始化多个感测电力线的电压; 定时控制器，用于控制所述栅极驱动器，所述数据驱动器和所述放电驱动单元在所述驱动模式和所述感测模式之间操作并切换; 以及用于存储多个像素的补偿数据的存储器。

公开(公告)号：US09202411B2

公开(公告)日：2015-12-01

申请号：US14134111

申请日：2013-12-19

Applicant: LG Display Co., Ltd.

Inventor： Jae Hoon Jung ,  Jae Hwan Yun

IPC: G09G3/32

CPC classification number: G09G3/3208 ,  G09G3/3233 ,  G09G2300/0842 ,  G09G2320/0295 ,  G09G2320/043

Abstract: Disclosed is an organic light emitting display device. The organic light emitting display device includes a display panel including a plurality of pixels formed in intersection areas between a plurality of gate lines, a plurality of data lines, and a plurality of sensing lines, a gate driver supplying a gate signal to the gate lines, a plurality of data driving ICs including a data driver, supplying data voltages to the data lines, and a sensing unit including a plurality of ADCs that each sense characteristic change of a driving transistor included in a corresponding pixel to generate sensing data, a memory storing a gain error and offset error of each ADC, and a timing controller correcting the sensing data on a basis of the gain error and offset error, modulating input data on a basis of the corrected sensing data, and supplying the modulated data to the data driving ICs.

Abstract translation: 公开了一种有机发光显示装置。 有机发光显示装置包括：显示面板，包括形成在多条栅极线，多条数据线和多条感测线之间的交叉区域中的多个像素;栅极驱动器，向栅极线提供栅极信号 ，包括数据驱动器的数据驱动IC，向数据线提供数据电压的多个数据驱动IC以及包括多个ADC的感测单元，每个ADC检测包括在相应像素中的驱动晶体管的特性变化以产生感测数据;存储器 存储每个ADC的增益误差和偏移误差，以及定时控制器，其基于增益误差和偏移误差校正感测数据，基于校正的感测数据调制输入数据，并将调制数据提供给数据 驱动IC。

公开(公告)号：US09111491B2

公开(公告)日：2015-08-18

申请号：US14134173

申请日：2013-12-19

Applicant: LG Display Co., Ltd.

Inventor： Kyoung Don Woo ,  Nari Kim ,  Jae Hoon Jung

IPC: G09G3/32

CPC classification number: G09G3/3275 ,  G09G3/3233 ,  G09G3/3291 ,  G09G2300/0819 ,  G09G2310/0248 ,  G09G2310/0262 ,  G09G2320/0295 ,  G09G2320/043

Abstract: An organic light emitting display device includes a display panel including a plurality of pixels having an organic light emitting diode and a pixel circuit; a gate driver to supply the plurality of pixels with a scan signal, a sensing signal, and a driving voltage; a data driver to supply data voltages and a reference voltage to the plurality of pixels in a driving mode, and sense voltages charged into the plurality of pixels in a sensing mode; a discharging driving unit to initialize voltages of a plurality of sensing power lines when the display device switches from the driving mode to the sensing mode; a timing controller to control the gate driver, the data driver, and the discharging driving unit to operate in and switch between the driving mode and the sensing mode; and a memory to store compensation data for the plurality of pixels.

Abstract translation: 有机发光显示装置包括：显示面板，包括具有有机发光二极管的多个像素和像素电路; 用于向所述多个像素提供扫描信号，感测信号和驱动电压的栅极驱动器; 数据驱动器，用于以驱动模式向所述多个像素提供数据电压和参考电压;以及在感测模式下感测充电到所述多个像素中的电压; 放电驱动单元，用于在显示装置从驱动模式切换到感测模式时初始化多个感测电力线的电压; 定时控制器，用于控制所述栅极驱动器，所述数据驱动器和所述放电驱动单元在所述驱动模式和所述感测模式之间操作并切换; 以及用于存储多个像素的补偿数据的存储器。

公开(公告)号：US20140176622A1

公开(公告)日：2014-06-26

申请号：US14134111

申请日：2013-12-19

Applicant: LG Display Co., Ltd.

Inventor： Jae Hoon Jung ,  Jae Hwan Yun

IPC: G09G3/32

CPC classification number: G09G3/3208 ,  G09G3/3233 ,  G09G2300/0842 ,  G09G2320/0295 ,  G09G2320/043

Abstract: Disclosed is an organic light emitting display device. The organic light emitting display device includes a display panel including a plurality of pixels formed in intersection areas between a plurality of gate lines, a plurality of data lines, and a plurality of sensing lines, a gate driver supplying a gate signal to the gate lines, a plurality of data driving ICs including a data driver, supplying data voltages to the data lines, and a sensing unit including a plurality of ADCs that each sense characteristic change of a driving transistor included in a corresponding pixel to generate sensing data, a memory storing a gain error and offset error of each ADC, and a timing controller correcting the sensing data on a basis of the gain error and offset error, modulating input data on a basis of the corrected sensing data, and supplying the modulated data to the data driving ICs.

Abstract translation: 公开了一种有机发光显示装置。 有机发光显示装置包括：显示面板，包括形成在多条栅极线，多条数据线和多条感测线之间的交叉区域中的多个像素;栅极驱动器，向栅极线提供栅极信号 ，包括数据驱动器的数据驱动IC，向数据线提供数据电压的多个数据驱动IC以及包括多个ADC的感测单元，每个ADC检测包括在相应像素中的驱动晶体管的特性变化以产生感测数据;存储器 存储每个ADC的增益误差和偏移误差，以及定时控制器，其基于增益误差和偏移误差校正感测数据，基于校正的感测数据调制输入数据，并将调制数据提供给数据 驱动IC。