公开(公告)号：US12225799B2

公开(公告)日：2025-02-11

申请号：US18190218

申请日：2023-03-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Liang Sun ,  Tuo Sun ,  Xiaodan Jin ,  Lintao Zhang

IPC: H10K59/35 ,  G09G3/20 ,  H10K59/122

Abstract: A display panel, including: a plurality of pixels arranged in an array in a first direction and a second direction intersecting the first direction, each pixel including: a first sub-pixel having a first light-emitting zone configured to emit light of a first color; a second sub-pixel having a second light-emitting zone configured to emit light of a second color; and a third sub-pixel having a third light-emitting zone configured to emit light of a third color, wherein the plurality of pixels include a first pixel, the first light-emitting zone of the first pixel has a substantially polygonal shape, the substantially polygonal shape including: a first side substantially parallel to one side of the second light-emitting zone of the first pixel, and the one side of the second light-emitting zone of the first pixel being opposite to the first light-emitting zone; and a second side substantially parallel to one side of the third light-emitting zone of the first pixel, and the one side of the third light-emitting zone of the first pixel being opposite to the first light-emitting zone.

公开(公告)号：US11711958B2

公开(公告)日：2023-07-25

申请号：US17230146

申请日：2021-04-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Liang Sun ,  Tuo Sun ,  Xiaodan Jin ,  Lintao Zhang

IPC: H01L27/32 ,  H01L51/52 ,  G09G3/3208 ,  H10K59/35 ,  G09G3/20 ,  H10K59/122

CPC classification number: H10K59/353 ,  G09G3/2003 ,  H10K59/122 ,  H10K59/352 ,  G09G2300/0452

Abstract: A display panel, including: a plurality of pixels arranged in an array in a first direction and a second direction intersecting the first direction, each pixel including: a first sub-pixel having a first light-emitting zone configured to emit light of a first color; a second sub-pixel having a second light-emitting zone configured to emit light of a second color; and a third sub-pixel having a third light-emitting zone configured to emit light of a third color, wherein the plurality of pixels include a first pixel, the first light-emitting zone of the first pixel has a substantially polygonal shape, the substantially polygonal shape including: a first side substantially parallel to one side of the second light-emitting zone of the first pixel, and the one side of the second light-emitting zone of the first pixel being opposite to the first light-emitting zone; and a second side substantially parallel to one side of the third light-emitting zone of the first pixel, and the one side of the third light-emitting zone of the first pixel being opposite to the first light-emitting zone.

公开(公告)号：US10365741B2

公开(公告)日：2019-07-30

申请号：US15701673

申请日：2017-09-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD. ,  BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.

Inventor： Kuohai Wang ,  Liang Sun ,  Hongliang Xu ,  Liyong Guo ,  Libin Miao ,  Zhenning Fan

IPC: G06F3/041 ,  G06F11/22 ,  G09G3/20 ,  G09G3/00

Abstract: A touch display screen testing method and a touch display screen testing device are provided. The method includes: applying a direct current signal to a gate driving circuit of the touch display screen to turn on gate electrodes of the touch display screen simultaneously, to detect a display defect of the touch display screen, in a first testing stage of an electric performance testing process at a Cell stage of a touch display screen.

公开(公告)号：US10304963B2

公开(公告)日：2019-05-28

申请号：US15083646

申请日：2016-03-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoyong Lu ,  Dong Li ,  Zheng Liu ,  Shuai Zhang ,  Liang Sun ,  Chunping Long

IPC: H01L29/786 ,  H01L29/66 ,  H01L21/265

Abstract: The embodiments of the present disclosure provide a polysilicon thin film transistor and manufacturing method thereof, an array substrate, and a display panel. The method for manufacturing a polysilicon thin film transistor comprises: forming, on a substrate, a gate, a source and a drain, and an active layer. Forming the active layer comprises: forming a polysilicon layer on the substrate, which comprises a channel region and extension regions; performing ion injection process in the extension regions to form lightly-doped regions close to the channel region and a source region and a drain region; prior to or following the formation of the lightly-doped regions, employing halo ion injection process to form halo regions at the positions of the channel region which are close to the lightly-doped regions.

公开(公告)号：US10199506B2

公开(公告)日：2019-02-05

申请号：US15084802

申请日：2016-03-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoyong Lu ,  Zheng Liu ,  Xiaolong Li ,  Dong Li ,  Huijuan Zhang ,  Liang Sun

IPC: H01L29/786 ,  H01L29/66

Abstract: The embodiments of the present invention disclose a low temperature poly-silicon (LTPS) transistor array substrate and a method of fabricating the same, and a display device. The LTPS transistor array substrate comprises a substrate; a poly-silicon semiconductor active region provided on the substrate; a gate insulated from the poly-silicon semiconductor active region; and a dielectric spacer region provided on a side wall of the gate, wherein a portion of the poly-silicon semiconductor active region corresponding to the dielectric spacer region comprises a buffer region, and the dielectric spacer region surrounds the side wall of the gate and covers the buffer region.

公开(公告)号：US09966006B2

公开(公告)日：2018-05-08

申请号：US15032277

申请日：2015-07-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Liang Sun

IPC: G09G3/3233 ,  G09G3/3266

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2320/0233 ,  G09G2320/045

Abstract: The present disclosure discloses an OLED pixel circuit, a display apparatus, and a control method. The OLED pixel circuit includes an OLED; a driving transistor a drain electrode of which is connected with the OLED; a first switching unit configured to output, during a light-emitting stage, a power source signal to a source electrode of the driving transistor; a second switching unit configured to output, during a present scanning stage, a data signal to a gate electrode of the driving transistor; a compensation unit having a capacitor, and a charging control unit configured to output, during a charging stage, a charging signal to the capacitor for charging the capacitor so that the capacitor can maintain, during the light-emitting stage, a voltage of the gate electrode of the driving transistor. The charging signal has a voltage value greater than an actual voltage value of the data signal.

公开(公告)号：US20170040464A1

公开(公告)日：2017-02-09

申请号：US14913048

申请日：2015-07-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Hongwei Tian ,  Yanan Niu ,  Zuqiang Wang ,  Liang Sun

IPC: H01L29/786 ,  H01L21/02 ,  H01L27/12 ,  H01L21/306 ,  H01L21/225 ,  H01L29/10 ,  H01L29/66 ,  H01L21/30

CPC classification number: H01L29/78675 ,  H01L21/02532 ,  H01L21/02592 ,  H01L21/02675 ,  H01L21/2251 ,  H01L21/3003 ,  H01L21/30604 ,  H01L21/77 ,  H01L27/1222 ,  H01L27/127 ,  H01L27/1285 ,  H01L29/1033 ,  H01L29/66757 ,  H01L29/786 ,  H01L29/78696

Abstract: Embodiments of the present invention disclose a manufacturing method of a thin film transistor, a thin film transistor, an array substrate and a display device. The manufacturing method of a thin film transistor includes a step of forming an active layer, and the step of forming an active layer includes: forming a first poly-silicon layer and a second poly-silicon layer on the first poly-silicon layer separately, and adding dopant ions into the second poly-silicon layer and an upper surface layer of the first poly-silicon layer. By using the manufacturing method of a thin film transistor, defect states and unstable factors of interface in the thin film transistor can be reduced, thereby improving stability of the LTPS thin film transistor and obtaining an array substrate and a display device having more stable performance.

Abstract translation: 本发明的实施例公开了薄膜晶体管，薄膜晶体管，阵列基板和显示装置的制造方法。 薄膜晶体管的制造方法包括形成有源层的步骤，形成有源层的步骤包括：分别在第一多晶硅层上形成第一多晶硅层和第二多晶硅层， 以及将掺杂剂离子添加到第二多晶硅层和第一多晶硅层的上表面层。 通过使用薄膜晶体管的制造方法，可以降低薄膜晶体管的缺陷状态和界面的不稳定因素，从而提高LTPS薄膜晶体管的稳定性并获得阵列基板和具有更稳定性能的显示装置。

公开(公告)号：US09501973B2

公开(公告)日：2016-11-22

申请号：US14652343

申请日：2014-09-30

Applicant: BOE Technology Group Co., Ltd.

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

IPC: G09G3/3233 ,  G09G3/32

CPC classification number: G09G3/3233 ,  G09G3/3258 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2320/0233 ,  G09G2320/0257 ,  G09G2320/043 ,  G09G2320/045 ,  G09G2320/0626

Abstract: A pixel driving circuit, array substrate and display apparatus, comprise: data line for providing data voltage; gate line for providing scanning voltage; first power supply line for providing first power supply voltage; second power supply line for providing second power supply voltage; light emitting device connected to second power supply line; driving transistor connected to first power supply line; storage capacitor having first terminal connected to gate of driving transistor and configured to transfer information to gate of driving transistor; resetting unit configured to reset voltage across storage capacitor as predetermined signal voltage; data writing unit configured to write information into second terminal of storage capacitor; compensating unit configured to write information into first terminal of storage capacitor; and light emitting control unit configured to write first power supply voltage into second terminal of storage capacitor and control driving transistor to drive light emitting device to emit light.

Abstract translation: 像素驱动电路，阵列基板和显示装置包括：用于提供数据电压的数据线; 提供扫描电压的栅极线; 第一电源线，用于提供第一电源电压; 用于提供第二电源电压的第二电源线; 发光装置连接到第二电源线; 驱动晶体管连接到第一电源线; 存储电容器，其第一端子连接到驱动晶体管的栅极并且被配置为将信息传送到驱动晶体管的栅极; 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，被配置为将信息写入存储电容器的第二端; 补偿单元，被配置为将信息写入存储电容器的第一端子; 以及发光控制单元，被配置为将第一电源电压写入存储电容器的第二端子，并且控制驱动晶体管以驱动发光器件发光。

公开(公告)号：US10657883B2

公开(公告)日：2020-05-19

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 ,  G09G3/3233 ,  G09G3/20

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.

公开(公告)号：US10319302B2

公开(公告)日：2019-06-11

申请号：US14908835

申请日：2015-08-20

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhanjie Ma ,  Liang Sun

IPC: G09G3/325 ,  G09G3/3233 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3291

Abstract: The present invention provides a pixel circuit, a driving method thereof and a display device which are related to the field of display technology. The pixel circuit comprises a reset module, a compensation module, an energy storage module, a drive module, a drive control module, a power supply module and a light emitting module, the input voltage of the third power supply signal terminal is larger than the difference between the input voltage of the data signal terminal and the threshold voltage of the drive module, and is less than the input voltage of the second power supply signal terminal. The present invention is capable of discharging the driving transistor to a potential Vth within a short period, ensuring the driving transistor to be discharged completely in a short time.