公开(公告)号：US10784445B2

公开(公告)日：2020-09-22

申请号：US16405726

申请日：2019-05-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ling Wang ,  Cuili Gai ,  Pan Xu ,  Yicheng Lin

IPC: H01L21/00 ,  H01L51/00 ,  H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: A test substrate includes a base and a first electrode layer, a pixel defining layer, a light-emitting functional layer and a second electrode layer disposed on the base in sequence. The test substrate has at least two test regions, and each test region is a region where one first electrode of the plurality of first electrodes is located. Each test region includes a first region. Orthographic projections of portions of the pixel defining layer and the light-emitting functional layer located in a same first region on the base overlap with each other, and areas of orthographic projections of portions of the first electrode layer located in first regions of the at least two test regions are different.

公开(公告)号：US20190189733A1

公开(公告)日：2019-06-20

申请号：US16327042

申请日：2018-03-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Baoxia Zhang ,  Cuili Gai ,  Yicheng Lin

IPC: H01L27/32

CPC classification number: H01L27/3276 ,  G09G3/3225 ,  H01L27/1244 ,  H01L27/32 ,  H01L2251/5392

Abstract: An array substrate, an electroluminescent display panel, and a display device are disclosed. The array substrate includes: a base substrate, and a first signal line, an insulating layer and a second signal line provided sequentially on the base substrate in a direction perpendicular to the base substrate; wherein the first signal line has a first portion and a second portion, the first portion has a resistance higher than a resistance of the second portion, and at least a part of the first portion is overlapped with the second signal line, and the second portion is non-overlapped with the second signal line.

公开(公告)号：US20190066588A1

公开(公告)日：2019-02-28

申请号：US15736519

申请日：2017-06-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yicheng Lin ,  Quanhu Li ,  Cuili Gai ,  Baoxia Zhang ,  Longyan Wang ,  Ling Wang

IPC: G09G3/3258 ,  H01L27/32

Abstract: An OLED driving circuit, an array substrate and a display device are provided. The OLED driving circuit includes a plurality of driving TFTs and a plurality of sense TFTs. Each sense TFT is configured to compensate for a threshold voltage of the respective driving TFT. Each sense TFT corresponds to a respective one of the driving TFTs, a source electrode of each sense TFT is connected to a sense line, and a drain electrode thereof is connected to a drain electrode of the respective driving TFT. The plurality of sense TFTs is divided into a plurality of groups, each group includes at least two sense TFTs which share a same gate electrode and a same source electrode and are connected to a same sense line.

公开(公告)号：US20180358421A1

公开(公告)日：2018-12-13

申请号：US15736774

申请日：2017-05-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Cuili Gai ,  Yicheng Lin

IPC: H01L27/32 ,  H01L51/56

CPC classification number: H01L27/3265 ,  G03F7/16 ,  G03F7/20 ,  G03F7/30 ,  H01L21/77 ,  H01L27/1288 ,  H01L27/3262 ,  H01L51/56 ,  H01L2227/323

Abstract: The present disclosure provides an active-matrix organic light emitting diode display substrate, a method for fabricating the display substrate and a display device. The active-matrix organic light emitting diode display substrate includes two storage capacitors connected in parallel, an active layer of TFT and an electrode of the new added storage capacitor are formed through a single patterning process, and the electrode is made of conductor material.

公开(公告)号：US09799270B2

公开(公告)日：2017-10-24

申请号：US15226702

申请日：2016-08-02

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yongqian Li ,  Yicheng Lin ,  Quanhu Li

IPC: G09G3/3258

CPC classification number: G09G3/3258 ,  G09G3/20 ,  G09G2300/0426 ,  G09G2310/08

Abstract: Disclosed is a pixel circuit which includes a multiplexing module and a plurality of sub-pixels. Signals for detecting parameters of respective sub-pixels are transferred via a sensing line in a time-divisional manner. For each sub-pixel, connection to the data line and the sensing line is achieved via a common terminal. Further disclosed are a display panel and a display device.

公开(公告)号：US12156437B2

公开(公告)日：2024-11-26

申请号：US18538138

申请日：2023-12-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guoying Wang ,  Zhen Song ,  Yicheng Lin ,  Xing Zhang ,  Pan Xu ,  Ling Wang ,  Ying Han

IPC: H10K71/00 ,  H10K59/121 ,  H10K59/122 ,  H10K59/124 ,  H10K59/12

Abstract: An organic light-emitting diode (OLED) display substrate, a manufacturing method thereof and a display panel are provided. The OLED display substrate has pixel regions and includes a base substrate and a pixel defining layer disposed on the base substrate; in regions of the pixel defining layer corresponding to the pixel regions, accommodation parts penetrating the pixel defining layer are disposed, and the pixel defining layer is further provided with guide parts disposed corresponding to the accommodation parts, the guide parts are located on a periphery of the corresponding accommodation parts and formed by recessed areas which are formed on a side of the pixel defining layer away from the base substrate, the recessed areas do not penetrate the pixel defining layer, and an orthographic projection of the guide part on the base substrate is directly coupled to an orthographic projection of the corresponding accommodation part on the base substrate.

公开(公告)号：US11974462B2

公开(公告)日：2024-04-30

申请号：US16962679

申请日：2020-02-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Ling Wang ,  Yicheng Lin ,  Pan Xu ,  Guoying Wang ,  Guang Yan

IPC: H10K59/121 ,  H10K59/131 ,  H01L27/12 ,  H10K59/122 ,  H10K59/124 ,  H10K59/126

CPC classification number: H10K59/1213 ,  H10K59/131 ,  H01L27/1214 ,  H10K59/122 ,  H10K59/124 ,  H10K59/126

Abstract: Disclosed are a display panel and a display device. The display panel includes a base substrate; a plurality of data signal lines on the base substrate, and a plurality of pixel units; and each pixel unit has a transparent area and a non-transparent area; the pixel unit includes a plurality of sub-pixels in the non-transparent area. All sub-pixels in the display panel are arranged in an array, each column of sub-pixels corresponds to a respective one of the data signal lines, and at least part of the data signal lines are arranged around the transparent areas.

公开(公告)号：US11889707B2

公开(公告)日：2024-01-30

申请号：US17276746

申请日：2020-06-05

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guoying Wang ,  Zhen Song ,  Yicheng Lin ,  Xing Zhang ,  Pan Xu ,  Ling Wang ,  Ying Han

IPC: H10K59/124 ,  H10K59/122 ,  H10K59/121 ,  H10K71/00 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K59/121 ,  H10K59/124 ,  H10K71/00 ,  H10K59/1201

Abstract: An organic light-emitting diode (OLED) display substrate, a manufacturing method thereof and a display panel are provided. The OLED display substrate has pixel regions and includes a base substrate and a pixel defining layer disposed on the base substrate; in regions of the pixel defining layer corresponding to the pixel regions, accommodation parts penetrating the pixel defining layer are disposed, and the pixel defining layer is further provided with guide parts disposed corresponding to the accommodation parts, the guide parts are located on a periphery of the corresponding accommodation parts and formed by recessed areas which are formed on a side of the pixel defining layer away from the base substrate, the recessed areas do not penetrate the pixel defining layer, and an orthographic projection of the guide part on the base substrate is directly coupled to an orthographic projection of the corresponding accommodation part on the base substrate.

公开(公告)号：US11730035B2

公开(公告)日：2023-08-15

申请号：US17253093

申请日：2020-06-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ling Wang ,  Yicheng Lin ,  Guoying Wang ,  Ying Han

IPC: H01L27/32 ,  H10K59/35 ,  H10K50/86 ,  H10K59/60 ,  H10K59/131 ,  H10K71/00 ,  H10K59/12

CPC classification number: H10K59/353 ,  H10K50/865 ,  H10K59/131 ,  H10K59/60 ,  H10K71/00 ,  H10K59/1201

Abstract: Provided are a display substrate, a manufacturing method thereof and a display device. The display substrate includes a base and a plurality of subpixels arranged on the base in an array form. Each subpixel includes a light-emitting element, a subpixel driving circuitry coupled to the light-emitting element, and a light-emission detection circuitry configured to detect luminescence of light emitted by the light-emitting element. The light-emission detection circuitry includes a first control transistor and a PIN-type photodiode laminated in that order in a direction away from the base, a first electrode of the first control transistor is coupled to a cathode of the PIN-type photodiode, and an orthogonal projection of the first control transistor onto the base at least partially overlaps an orthogonal projection of the PIN-type photodiode onto the base. The display substrate provided by the present disclosure is used for display.

公开(公告)号：US20230147375A1

公开(公告)日：2023-05-11

申请号：US16971673

申请日：2019-11-04

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guoying Wang ,  Yicheng Lin ,  Ling Wang ,  Zhen Song ,  Pan Xu ,  Xing Zhang ,  Ying Han ,  Zhan Gao

IPC: H10K59/13 ,  H10K59/126 ,  H10K59/124 ,  H10K59/121 ,  H10K59/131 ,  H10K59/38

CPC classification number: H01L27/3269 ,  H01L27/322 ,  H01L27/3258 ,  H01L27/3262 ,  H01L27/3272 ,  H01L27/3276 ,  H01L2227/323

Abstract: A display substrate having a plurality of subpixels is provided. A respective one of the plurality of subpixels includes alight emitting element; a first thin film transistor configured to driving light emission of the light emitting element; and a light emitting brightness value detector. The light emitting brightness value detector includes a second thin film transistor; and a photosensor electrically connected to the second thin film transistor and configured to detect a light emitting brightness value. The display substrate further includes a silicon organic glass layer on a side of at least one of the first thin film transistor or the second thin film transistor away from a base substrate; and the photosensor is on a side of the silicon organic glass layer away from the base substrate.