公开(公告)号：US11094789B2

公开(公告)日：2021-08-17

申请号：US16497658

申请日：2019-04-12

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

Inventor： Xiaolong Li ,  Jinchao Bai ,  Huibin Guo ,  Xiao Han ,  Yongzhi Song

IPC: H01L29/417 ,  H01L27/32 ,  H01L29/40 ,  H01L29/66 ,  H01L29/786 ,  H01L21/3213 ,  H01L27/12 ,  H01L29/45

Abstract: Embodiments of the present disclosure disclose a thin film transistor, a method for manufacturing a thin film transistor, an array substrate, and a display device. The thin film transistor includes a source electrode and a drain electrode, each of the source electrode and the drain electrode including a metal substrate and a conductive layer covering the metal substrate. An adhesion between the conductive layer and a photoresist material is larger than an adhesion between the metal substrate and the photoresist material. The metal substrate and the conductive layer are both formed on a base substrate, an orthographic projection of the conductive layer on the base substrate covers an orthographic projection of the metal substrate on the base substrate, and. an area of the orthographic projection of the conductive layer on the base substrate is larger than an area of the orthographic projection of the metal substrate on the base substrate.

公开(公告)号：US10566399B2

公开(公告)日：2020-02-18

申请号：US15737191

申请日：2017-06-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaolong Li ,  Yi Li ,  Xiaowei Xu ,  Zheng Liu

IPC: H01L29/08 ,  H01L27/32

Abstract: A display substrate, a method for manufacturing the same, a display panel and a display device are disclosed. The display substrate includes a pixel unit, and the pixel unit includes a light emitting layer and a pixel definition layer surrounding the light emitting layer. The pixel definition layer includes a first region and a second region. The first region has a first thickness, the second region has a second thickness. The first thickness is greater than the second thickness.

公开(公告)号：US10355022B2

公开(公告)日：2019-07-16

申请号：US15393030

申请日：2016-12-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jian Min ,  Xiaolong Li ,  Zhengyin Xu ,  Tao Gao ,  Dong Li ,  Shuai Zhang

IPC: H01L27/12 ,  H01L29/78 ,  H01L21/00 ,  H01L29/786

Abstract: A thin film transistor, a method for fabricating the same, an array substrate, and a display device are provided. The method comprises forming an active layer on a substrate, wherein source-and-drain-to-be-formed regions of the active layer are thicker than a semiconductor region between the source-and-drain-to-be-formed regions, and by a patterning process, forming a gate on the active layer, and forming a pattern of source and drain in the source-and-drain-to-be-formed regions of the active layer.

公开(公告)号：US10084095B2

公开(公告)日：2018-09-25

申请号：US15322490

申请日：2016-03-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaolong Li ,  Zheng Liu ,  Xiaoyong Lu ,  Chunping Long ,  Huijuan Zhang

IPC: H01L31/0312 ,  H01L29/786 ,  H01L29/04 ,  H01L29/16 ,  H01L29/66 ,  H01L21/04 ,  H01L21/02

CPC classification number: H01L29/78609 ,  H01L21/02527 ,  H01L21/02598 ,  H01L21/02609 ,  H01L21/0262 ,  H01L21/02664 ,  H01L21/043 ,  H01L29/045 ,  H01L29/1602 ,  H01L29/66045 ,  H01L29/66742 ,  H01L29/78621 ,  H01L29/78684 ,  H01L29/78696

Abstract: The embodiments of present disclosure provide a thin film transistor, a method for manufacturing the same, and an array substrate. The thin film transistor comprises an active layer provided on a substrate, the active layer including a middle channel region, a first high resistance region and a second high resistance region provided respectively on external sides of the middle channel region, a source region provided on an external side of the first high resistance region and a drain region provided on an external side of the second high resistance region, wherein a base material of the active layer is diamond single crystal. According to the thin film transistor, the method for manufacturing the same, and the array substrate provided in the embodiments of present disclosure, by providing high resistance regions on external sides of the middle channel region of the active layer, the carrier mobility is reduced and the leakage current of the thin film transistor made of single crystalline diamond is effectively suppressed.

公开(公告)号：US09793366B2

公开(公告)日：2017-10-17

申请号：US15131175

申请日：2016-04-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zheng Liu ,  Dong Li ,  Xiaolong Li

IPC: H01L29/423 ,  H01L29/49 ,  H01L27/12 ,  H01L27/32 ,  H01L29/66 ,  H01L29/45 ,  H01L29/786

CPC classification number: H01L29/42372 ,  H01L27/124 ,  H01L27/1244 ,  H01L27/1259 ,  H01L27/1262 ,  H01L27/1288 ,  H01L27/32 ,  H01L27/3225 ,  H01L27/3248 ,  H01L29/458 ,  H01L29/4908 ,  H01L29/4958 ,  H01L29/4966 ,  H01L29/66765 ,  H01L29/78678

Abstract: An array substrate, a method for fabricating the same, a display panel and a display device are disclosed. The array substrate comprises a display area and a non-display area that is outside the display area. The method comprises: forming a metal layer on a base substrate, the metal layer comprising a conductive pattern in the display area and a first electrode in the non-display area; forming a protective layer on the metal layer, a thickness of the protection layer in the non-display area being less than a thickness of the protection layer in the display area; forming a display electrode layer on the protection layer and removing the display electrode layer in the non-display area; and removing the protection layer in the non-display area.

公开(公告)号：US20170194461A1

公开(公告)日：2017-07-06

申请号：US15350844

申请日：2016-11-14

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiaolong Li ,  Zheng Liu ,  Dong Li ,  Huijuan Zhang ,  Jian Min

IPC: H01L29/66 ,  H01L21/02 ,  H01L29/786 ,  H01L21/3065

CPC classification number: H01L29/66757 ,  H01L21/02532 ,  H01L21/02595 ,  H01L21/3065 ,  H01L21/32115 ,  H01L21/32132 ,  H01L29/78675

Abstract: A method for processing a polysilicon thin film and a method for fabricating a thin film transistor are provided. The method for processing a polysilicon thin film includes: etching the polysilicon thin film using etching particles. An angle between an incident direction of the etching particles and the polysilicon thin film is larger than 0° and less than 90°.

公开(公告)号：US20240268149A1

公开(公告)日：2024-08-08

申请号：US18041070

申请日：2022-03-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Weixing Liu ,  Wanpeng Teng ,  Tieshi Wang ,  Chunfang Zhang ,  Kai Guo ,  Xiaolong Li ,  Zhiqiang Xu

IPC: H10K59/121 ,  G09G3/3258 ,  H10K59/131 ,  H10K59/38

CPC classification number: H10K59/1213 ,  G09G3/3258 ,  H10K59/1216 ,  H10K59/131 ,  H10K59/38 ,  G09G2300/0426 ,  G09G2300/0852

Abstract: A light emitting substrate is provided. The light emitting substrate includes a plurality of subpixels. A respective subpixel of the plurality of subpixels includes n1 number of main light emitting elements; n1 number of main pixel driving circuits configured to drive light emission in the n1 number of main light emitting elements; n2 number of auxiliary light emitting elements; n2 number of auxiliary pixel driving circuits configured to drive light emission in the n2 number of auxiliary light emitting elements; n1≥1, and n2≥1. A respective main pixel driving circuit of the n1 number of main pixel driving circuits includes a first driving transistor. A respective auxiliary pixel driving circuit of the n2 number of auxiliary pixel driving circuits includes a second driving transistor. Threshold voltage levels of the first driving transistor and the second driving transistor are substantially the same

公开(公告)号：US20240242688A1

公开(公告)日：2024-07-18

申请号：US18004901

申请日：2022-01-19

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiaolong Li ,  Kuanjun Peng ,  Kai Guo ,  Wanpeng Teng ,  Chunfang Zhang ,  Weixing Liu ,  Zhiqiang Xu ,  Tieshi Wang ,  Feihu Zhou

IPC: G09G3/36

CPC classification number: G09G3/3648 ,  G09G2320/0209 ,  G09G2354/00 ,  G09G2360/16

Abstract: A display method is provided. The display method includes providing a display panel having a plurality of subpixels, a respective subpixel of the plurality of subpixels including a first area, n1 number of second areas, and n2 number of third areas, the first area being between the n1 number of second areas and the n2 number of third areas, n1≥1, and n2≥1; for displaying a first frame of image, controlling light emission of the respective subpixel to be limited in the first area, m1 number of the n1 number of second areas, and m2 number of the n2 number of third areas; and for displaying a second frame of image, controlling light emission of the respective subpixel to be limited in the first area, ml′ number of the n1 number of second areas, and m2′ number of the n2 number of third areas.

公开(公告)号：US11837133B2

公开(公告)日：2023-12-05

申请号：US17609504

申请日：2021-01-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Weixing Liu ,  Wei Qin ,  Kuanjun Peng ,  Tieshi Wang ,  Chunfang Zhang ,  Hui Zhang ,  Changfeng Li ,  Shunhang Zhang ,  Kai Hou ,  Hongrun Wang ,  Liwei Liu ,  Yunsik Im ,  Wanpeng Teng ,  Xiaolong Li ,  Kai Guo ,  Zhiqiang Xu

IPC: G09G3/20 ,  G11C19/28

CPC classification number: G09G3/20 ,  G11C19/287 ,  G09G2300/0408 ,  G09G2310/0267 ,  G09G2310/0286 ,  G09G2310/08

Abstract: The present disclosure provides a gate driving circuit, a method of driving a gate driving circuit, and a display panel. The gate driving circuit includes a plurality of driving units connected in cascade. Each driving unit includes: N shift register units; and a mode control circuit connected to the N shift register units, wherein the mode control circuit is configured to receive a control signal for the driving unit, and connect the N shift register units in one of a plurality of resolution modes under the control of the control signal.

公开(公告)号：US11605347B2

公开(公告)日：2023-03-14

申请号：US17718599

申请日：2022-04-12

Applicant: BOE Technology Group Co., Ltd.

Inventor： Wei Qin ,  Xiaolong Li ,  Kuanjun Peng ,  Chunfang Zhang ,  Zhiqiang Xu ,  Yanan Niu

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

Abstract: A display panel includes a plurality of pixels and an electrostatic circuit. At least one pixel includes: a pixel electrode; a common electrode; a light-emitting element; and a driving sub-circuit coupled to a scanning signal terminal, a data signal terminal, a light-emitting control signal terminal, a first voltage signal terminal and a first terminal of a light-emitting element, and outputs a first voltage signal from the first voltage signal terminal to the light-emitting element controlled by a scanning signal, a data signal, and a light-emitting control signal. The electrostatic circuit couples a first signal line and a second signal line, the first signal line receives a second voltage signal, and the second signal line receives a third voltage signal and is arranged on a periphery of the plurality of pixels. Common electrodes of the pixels are coupled to each other and to the second signal line.