公开(公告)号：US20140139510A1

公开(公告)日：2014-05-22

申请号：US14069561

申请日：2013-11-01

Applicant: LG Display Co., Ltd.

Inventor： In Hyo Han ,  Bum Sik Kim ,  Young Jun Hong

IPC: G09G3/32

CPC classification number: G09G3/3291 ,  G09G3/3233 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2300/0866 ,  G09G2320/0233 ,  G09G2320/0295 ,  G09G2320/043

Abstract: An organic light emitting display device includes a panel driver and a display panel including a plurality of pixels having a pixel circuit, a first driving voltage terminal connected to the driving transistor, a light emitting element, a second driving voltage terminal connected to the light emitting element, and a capacitor connected between a gate and source electrode of the driving transistor, the panel driver to drive the pixel circuit in a data charging period in which a difference between a data and reference voltage is charged into the capacitor, and a light emitting period in which the driving transistor receives a first driving voltage from the first driving voltage terminal and is turned on according to the voltage charged into the capacitor during the data charging period, whereby a current is supplied to the light emitting element which thereby emits light.

Abstract translation: 有机发光显示装置包括面板驱动器和显示面板，显示面板包括具有像素电路的多个像素，连接到驱动晶体管的第一驱动电压端子，发光元件，连接到发光元件的第二驱动电压端子 元件和连接在驱动晶体管的栅极和源极之间的电容器，面板驱动器，用于在将数据和参考电压之间的差被充电到电容器中的数据充电时段中驱动像素电路，以及发光 其中所述驱动晶体管从所述第一驱动电压端接收第一驱动电压，并且在所述数据充电期间根据在所述电容器中充电的电压而导通，从而向所述发光元件提供电流，从而发光。

公开(公告)号：US11653538B2

公开(公告)日：2023-05-16

申请号：US17135919

申请日：2020-12-28

Applicant: LG Display Co., Ltd.

Inventor： Kyung Min Kim ,  In Hyo Han ,  Eun Ji Park

IPC: H01L29/08 ,  H01L27/32

CPC classification number: H01L27/3276 ,  H01L27/3265

Abstract: A display device including a pixel comprises an EVDD driving unit outputting an AC driving voltage swinging between a high potential voltage and a low potential voltage according to voltages of a first control node and a second control node, and a plurality of sub-pixels connected to a data line and a gate line to receive the AC driving voltage by sharing an output node of the EVDD driving unit. Each of the sub-pixels may include a light emitting element, a driving element for supplying a current to the light emitting element according to a gate-source voltage, a switch element turned-on according to a scan signal to connect the data line to the gate of the driving element, and a capacitor connected between a gate and a source of the driving element.

公开(公告)号：US09041705B2

公开(公告)日：2015-05-26

申请号：US14069561

申请日：2013-11-01

Applicant: LG Display Co., Ltd.

Inventor： In Hyo Han ,  Bum Sik Kim ,  Young Jun Hong

IPC: G09G3/32

CPC classification number: G09G3/3291 ,  G09G3/3233 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2300/0866 ,  G09G2320/0233 ,  G09G2320/0295 ,  G09G2320/043

Abstract: An organic light emitting display device includes a panel driver and a display panel including a plurality of pixels having a pixel circuit, a first driving voltage terminal connected to the driving transistor, a light emitting element, a second driving voltage terminal connected to the light emitting element, and a capacitor connected between a gate and source electrode of the driving transistor, the panel driver to drive the pixel circuit in a data charging period in which a difference between a data and reference voltage is charged into the capacitor, and a light emitting period in which the driving transistor receives a first driving voltage from the first driving voltage terminal and is turned on according to the voltage charged into the capacitor during the data charging period, whereby a current is supplied to the light emitting element which thereby emits light.

Abstract translation: 有机发光显示装置包括面板驱动器和显示面板，显示面板包括具有像素电路的多个像素，连接到驱动晶体管的第一驱动电压端子，发光元件，连接到发光元件的第二驱动电压端子 元件和连接在驱动晶体管的栅极和源极之间的电容器，面板驱动器，用于在将数据和参考电压之间的差被充电到电容器中的数据充电时段中驱动像素电路，以及发光 其中所述驱动晶体管从所述第一驱动电压端接收第一驱动电压，并且在所述数据充电期间根据在所述电容器中充电的电压而导通，从而向所述发光元件提供电流，从而发光。