公开(公告)号：US20160181344A1

公开(公告)日：2016-06-23

申请号：US15057976

申请日：2016-03-01

Applicant: LG DISPLAY CO., LTD.

Inventor： Hyun Sik SEO ,  Jong Sik SHIM ,  Kyung Han SEO ,  Yong Ho CHOI ,  Hyo Jin PARK

IPC: H01L27/32

CPC classification number: H01L27/3272 ,  H01L27/3262 ,  H01L27/3276 ,  H01L29/78633 ,  H01L29/78648 ,  H01L29/7869

Abstract: An organic light emitting display device includes a driving thin film transistor (TFT), the driving thin film TFT includes a lower gate, a source, and a drain on a substrate and on the same layer; a first gate insulating layer covering the lower gate, the source, and the drain; an active layer on the first gate insulating layer; a conductive line contacting the source and the drain; a second gate insulating layer on the active layer; and an upper gate on the second gate insulating layer, wherein the lower gate of the driving TFT is a light shield that blocks light from being irradiated onto the active layer, and the lower gate and the source include the same metal.

Abstract translation: 有机发光显示装置包括驱动薄膜晶体管（TFT），驱动薄膜TFT在基板上和同一层上包括下栅极，源极和漏极; 覆盖下栅极，源极和漏极的第一栅极绝缘层; 在第一栅极绝缘层上的有源层; 接触源极和漏极的导线; 在有源层上的第二栅极绝缘层; 以及第二栅极绝缘层上的上栅极，其中驱动TFT的下栅极是阻挡光照射到有源层上的光屏蔽，下栅极和源极包括相同的金属。

公开(公告)号：US20160098961A1

公开(公告)日：2016-04-07

申请号：US14850646

申请日：2015-09-10

Applicant: LG DISPLAY CO., LTD.

Inventor： Sung Man HAN ,  Jong Sik SHIM

IPC: G09G3/32 ,  G09G3/20

CPC classification number: G09G3/3291 ,  G09G3/3225 ,  G09G2300/0814 ,  G09G2300/0842 ,  G09G2310/0262 ,  G09G2310/0272 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/029 ,  G09G2320/043 ,  G09G2320/045

Abstract: A display device is discussed, which includes: a light emitting diode to emit light; and a pixel circuit connected to the light emitting diode, the pixel circuit including; a data line; a driving power line; a sense signal line; a gate line; and a switch connected with the data line by a first terminal, a digital-to-analog converter by a second terminal, and an analog-to-digital converter by a third terminal, wherein the switch connects the data line to the digital-to-analog converter or the analog-to-digital converter on a basis of a switch control signal.

Abstract translation: 讨论了一种显示装置，其包括：发光二极管发光; 以及连接到所述发光二极管的像素电路，所述像素电路包括： 数据线 驱动电源线; 感测信号线; 一条门线 以及由第一终端与数据线连接的开关，由第二终端连接的数模转换器，以及由第三终端连接的数模转换器，其中，所述开关将所述数据线连接到所述数字到 - 转子转换器或模数转换器。

公开(公告)号：US20130147694A1

公开(公告)日：2013-06-13

申请号：US13710061

申请日：2012-12-10

Applicant: LG Display Co., Ltd.

Inventor： Seung Tae KIM ,  Jin Hyoung KIM ,  Jong Sik SHIM ,  Won Kyu HA

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G3/3233 ,  G09G3/3275 ,  G09G3/3659 ,  G09G2320/0233 ,  G09G2320/029 ,  G09G2320/0295 ,  G09G2320/045

Abstract: An organic light emitting display device having a data line that is used for sending data voltage signals to pixels from a data driver as well as send sensor signals for detecting threshold voltage levels of driving transistors in the pixels at different times. By using the same data line to transmit the data voltage signals and the sensor signals, the number of signal lines in the organic light emitting display can be reduced. The data driver also includes switches for selectively coupling the data line to a driver unit or an analog to digital converter (ADC) unit.

Abstract translation: 一种有机发光显示装置，具有用于从数据驱动器向像素发送数据电压信号的数据线，以及发送用于检测不同时刻像素中的驱动晶体管的阈值电压电平的传感器信号。 通过使用相同的数据线传输数据电压信号和传感器信号，可以减少有机发光显示器中的信号线的数量。 数据驱动器还包括用于选择性地将数据线耦合到驱动器单元或模数转换器（ADC）单元的开关。

公开(公告)号：US20150187860A1

公开(公告)日：2015-07-02

申请号：US14533516

申请日：2014-11-05

Applicant: LG Display Co., Ltd.

Inventor： Hyun Sik SEO ,  Jong Sik SHIM ,  Kyung Han SEO ,  Yong Ho CHOI ,  Hyo Jin PARK

IPC: H01L27/32 ,  H01L29/788 ,  H01L29/786

CPC classification number: H01L27/3272 ,  H01L27/3262 ,  H01L27/3276 ,  H01L29/78633 ,  H01L29/78648 ,  H01L29/7869

Abstract: Disclosed is an organic light emitting display device. The organic light emitting display device includes a switching thin film transistor (TFT) that includes a lower gate, a source, and a drain formed on a substrate and on the same layer, a first gate insulating layer formed to cover the lower gate, the source, and the drain, an active layer formed on the first gate insulating layer, a conductive line formed to contact the source and the drain, a second gate insulating layer formed on the active layer, and an upper gate formed on the second gate insulating layer. The lower gate of the switching TFT is a light shield that blocks light from being irradiated onto the active layer.

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开关薄膜晶体管（TFT），其包括形成在基板上并在同一层上的下栅极，源极和漏极，形成为覆盖下栅极的第一栅极绝缘层， 源极和漏极，形成在第一栅极绝缘层上的有源层，形成为接触源极和漏极的导线，形成在有源层上的第二栅极绝缘层，以及形成在第二栅极绝缘层上的上部栅极 层。 开关TFT的下栅极是阻挡光照射到有源层上的遮光板。

公开(公告)号：US20150084946A1

公开(公告)日：2015-03-26

申请号：US14494280

申请日：2014-09-23

Applicant: LG DISPLAY CO., LTD.

Inventor： Jong Sik SHIM ,  Si Kyu LEE

IPC: G09G3/32

CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G3/3291 ,  G09G2300/0809 ,  G09G2310/0218 ,  G09G2310/0272 ,  G09G2310/08 ,  G09G2320/0295 ,  G09G2320/043

Abstract: Disclosed is an organic light emitting display device. The organic light emitting display includes a display panel including a plurality of pixels, which are respectively formed in a plurality of pixel areas defined by crossings of a plurality of gate lines and a plurality of data lines, a plurality of sensing lines, and a plurality of second gate voltage lines connected to the plurality of pixels, a panel driver to drive the display panel in a display mode or a sensing mode, to sense a threshold voltage of at least one transistor to generate a sensing data in the sensing mode, and generate a second gate voltage data in the display mode, and a voltage supply unit to generate a second gate electrode voltage corresponding to the second gate voltage data, and apply a second gate electrode voltage to a second gate electrode of the transistor.

Abstract translation: 公开了一种有机发光显示装置。 有机发光显示器包括：包括多个像素的显示面板，分别形成在由多个栅极线和多个数据线，多条感测线和多条信号线的交叉限定的多个像素区域中 连接到所述多个像素的第二栅极电压线，用于以显示模式或感测模式驱动所述显示面板的面板驱动器，以感测至少一个晶体管的阈值电压以在感测模式中产生感测数据，以及 在显示模式下产生第二栅极电压数据，以及电压供给单元，产生与第二栅极电压数据对应的第二栅电极电压，并将第二栅极电压施加到晶体管的第二栅电极。

公开(公告)号：US20150187276A1

公开(公告)日：2015-07-02

申请号：US14534937

申请日：2014-11-06

Applicant: LG DISPLAY CO., LTD.

Inventor： Jong Sik SHIM ,  Na Young BAE

IPC: G09G3/32

CPC classification number: G09G3/3291 ,  G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0814 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2310/0251 ,  G09G2310/0264 ,  G09G2320/0219 ,  G09G2320/0233

Abstract: An organic light emitting display device includes a display panel having a plurality of pixels, each pixel connected to a data line, a gate line group and a reference line, each pixel further including: an organic light emitting device; a driving transistor controlling a current flowing in the organic light emitting device and including first and second gate electrodes overlapped with each other, with a semiconductor layer provided therebetween; a first switching transistor selectively supplying a data voltage supplied to the data line to a first node connected to the first gate electrode; a second switching transistor selectively supplying a sensing voltage to the second gate electrode; a third switching transistor selectively connecting a second node connected to a source electrode of the driving transistor to the first node; a fourth switching transistor selectively connecting the reference line to the second node; a first capacitor connected between the second gate electrode and the second node, the first capacitor storing a threshold voltage of the driving transistor; and a second capacitor connected between the first and second nodes, the second capacitor storing a difference voltage of the first and second nodes.

Abstract translation: 有机发光显示装置包括具有多个像素的显示面板，每个像素连接到数据线，栅极线组和参考线，每个像素还包括：有机发光器件; 驱动晶体管，其控制在所述有机发光器件中流动的电流，并且包括彼此重叠的第一和第二栅电极，其间设置有半导体层; 第一开关晶体管，选择性地将提供给所述数据线的数据电压提供给连接到所述第一栅电极的第一节点; 选择性地向第二栅电极提供感测电压的第二开关晶体管; 选择性地将连接到所述驱动晶体管的源电极的第二节点连接到所述第一节点的第三开关晶体管; 选择性地将参考线连接到第二节点的第四开关晶体管; 连接在所述第二栅电极和所述第二节点之间的第一电容器，所述第一电容器存储所述驱动晶体管的阈值电压; 以及连接在第一和第二节点之间的第二电容器，第二电容器存储第一和第二节点的差分电压。