公开(公告)号：US09799709B2

公开(公告)日：2017-10-24

申请号：US14648125

申请日：2014-08-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lei Shi ,  Lujiang Huangfu ,  Xiaowei Xu

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/56 ,  H01L51/52

CPC classification number: H01L27/3246 ,  H01L27/3241 ,  H01L51/0023 ,  H01L51/5206 ,  H01L51/5209 ,  H01L51/5218 ,  H01L51/5225 ,  H01L51/56

Abstract: The present invention discloses a pixel unit, a method of manufacturing the same and a display device. The pixel unit comprises an anode layer, a pixel definition layer, an organic light-emitting layer and a cathode layer, wherein the anode layer includes a plurality of pixel anodes in an array arrangement, and the pixel definition layer is disposed on the anode layer and includes a plurality of spaced pixel definition units, wherein the pixel definition units correspond to the pixel anodes one by one, and each pixel definition unit delimits a light-emitting region on the corresponding pixel anode, and the organic light-emitting layer is provided within the light-emitting regions, and the cathode layer is provided on the organic light-emitting layer. The present invention remarkably increases light extraction efficiency by improving the structure of the pixel unit.

公开(公告)号：US09761616B2

公开(公告)日：2017-09-12

申请号：US14646925

申请日：2014-10-01

Applicant: BOE Technology Group Co., Ltd.

Inventor： Chunping Long ,  Yinan Liang ,  Lujiang Huangfu

IPC: H01L27/12 ,  H01L21/28 ,  H01L29/66 ,  H01L29/786 ,  H01L21/285 ,  H01L27/32

CPC classification number: H01L27/1288 ,  H01L21/28008 ,  H01L21/28158 ,  H01L21/28506 ,  H01L27/12 ,  H01L27/1262 ,  H01L27/127 ,  H01L27/1274 ,  H01L27/3244 ,  H01L29/66765 ,  H01L29/78678 ,  H01L29/78696 ,  H01L2251/5315

Abstract: An array substrate, a manufacturing method thereof and a display device are disclosed. Patterns comprising a gate, a gate insulating layer and a polysilicon active layer are formed on a base substrate by single patterning process. A passivation layer is formed on the substrate surface formed with the patterns, and patterns of a first via and a second via are formed on a surface of the passivation layer by single patterning process. Patterns of a source, a drain and a pixel electrode are formed on the substrate surface formed with the patterns by single patterning process. The source is electrically connected with the polysilicon active layer through the first via, and the drain is electrically connected with the polysilicon active layer through the second via. A pattern of pixel defining layer is formed on the substrate surface formed with the patterns by single patterning process.

公开(公告)号：US20160260786A1

公开(公告)日：2016-09-08

申请号：US14648125

申请日：2014-08-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Lei Shi ,  Lujiang Huangfu ,  Xiaowei Xu

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/00 ,  H01L51/56

CPC classification number: H01L27/3246 ,  H01L27/3241 ,  H01L51/0023 ,  H01L51/5206 ,  H01L51/5209 ,  H01L51/5218 ,  H01L51/5225 ,  H01L51/56

Abstract: The present invention discloses a pixel unit, a method of manufacturing the same and a display device. The pixel unit comprises an anode layer, a pixel definition layer, an organic light-emitting layer and a cathode layer, wherein the anode layer includes a plurality of pixel anodes in an array arrangement, and the pixel definition layer is disposed on the anode layer and includes a plurality of spaced pixel definition units, wherein the pixel definition units correspond to the pixel anodes one by one, and each pixel definition unit delimits a light-emitting region on the corresponding pixel anode, and the organic light-emitting layer is provided within the light-emitting regions, and the cathode layer is provided on the organic light-emitting layer. The present invention remarkably increases light extraction efficiency by improving the structure of the pixel unit.

Abstract translation: 本发明公开了像素单元，其制造方法和显示装置。 像素单元包括阳极层，像素限定层，有机发光层和阴极层，其中阳极层包括阵列布置中的多个像素阳极，并且像素限定层设置在阳极层上 并且包括多个间隔的像素定义单元，其中像素定义单元逐个对应于像素阳极，并且每个像素定义单元限定对应的像素阳极上的发光区域，并且提供有机发光层 在发光区域内，阴极层设置在有机发光层上。 通过改善像素单元的结构，本发明显着提高了光提取效率。

公开(公告)号：US20160253959A1

公开(公告)日：2016-09-01

申请号：US14648670

申请日：2014-09-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Liang Sun ,  Ying Wang ,  Tuo Sun ,  Zhanjie Ma ,  Lintao Zhang ,  Lujiang Huangfu

IPC: G09G3/3225 ,  G09G3/20

CPC classification number: G09G3/3225 ,  G09G3/2003 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2320/0223 ,  G09G2320/0233 ,  G09G2320/043 ,  G09G2330/028

Abstract: There provide a pixel driving circuit and driving method thereof, an array substrate and display apparatus, wherein the pixel driving circuit comprises: a data line; a gate line; a first power supply line; a second power supply line; a light emitting device connected to the second power supply line; a driving transistor connected to the first power supply line; a storage capacitor having a first terminal connected to a gate of the driving transistor and configured to transfer information including the data voltage to the gate of the driving transistor; a resetting unit configured to reset a voltage across the storage capacitor as a predetermined signal voltage; a data writing unit configured to write information including the data voltage into the second terminal of the storage capacitor; a compensating unit configured to write information including a threshold voltage of the driving transistor and information of the first power supply voltage into the first terminal of the storage capacitor; and a light emitting control unit connected to the storage capacitor, the driving transistor and the light emitting device, and configured to control the driving transistor to drive the light emitting device to emit light.

Abstract translation: 提供像素驱动电路及其驱动方法，阵列基板和显示装置，其中像素驱动电路包括：数据线; 一条门线 第一电源线; 第二电源线; 连接到第二电源线的发光器件; 连接到所述第一电源线的驱动晶体管; 存储电容器，其具有连接到所述驱动晶体管的栅极的第一端子，并且被配置为将包括所述数据电压的信息传送到所述驱动晶体管的栅极; 复位单元，被配置为将存储电容器两端的电压复位为预定的信号电压; 数据写入单元，被配置为将包含数据电压的信息写入存储电容器的第二端子; 补偿单元，被配置为将包括驱动晶体管的阈值电压的信息和第一电源电压的信息写入到存储电容器的第一端子中; 以及发光控制单元，连接到存储电容器，驱动晶体管和发光器件，并且被配置为控制驱动晶体管驱动发光器件发光。

公开(公告)号：US20140103313A1

公开(公告)日：2014-04-17

申请号：US14050756

申请日：2013-10-10

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhanjie Ma ,  Lujiang Huangfu

IPC: H01L51/52

CPC classification number: H01L27/3276 ,  H01L27/3248 ,  H01L27/3288 ,  H01L51/52 ,  H01L51/5228 ,  H01L51/524 ,  H01L2251/533

Abstract: An AMOLED comprises a plurality of pixel structures arranged in a matrix and one layer of power supply signal electrode configured to provide a power supply voltage signal for the pixel structures, and the power supply signal electrode has a planar structure. The planar power supply signal electrode can greatly reduce its resistance and hence can reduce the IR drop of power supply voltage signals that are transmitted over the power supply signal electrode, effectively reduce the impact of the IR drop on the display effect, and remarkably reduce the power consumption of a panel.

Abstract translation: AMOLED包括排列成矩阵的多个像素结构，并且一层电源信号电极被配置为提供像素结构的电源电压信号，并且电源信号电极具有平面结构。 平面电源信号电极可以大大降低其电阻，从而可以减少通过电源信号电极传输的电源电压信号的IR降低，有效降低IR降低对显示效果的影响，并显着降低 面板功耗。