公开(公告)号：US11737303B2

公开(公告)日：2023-08-22

申请号：US16957292

申请日：2019-08-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Kui Zhang ,  Li Liu ,  Pengcheng Lu ,  Yunlong Li

IPC: H01L21/00 ,  H10K50/813 ,  H10K59/131 ,  H10K71/00 ,  H10K50/822 ,  H10K59/12 ,  H10K59/88

CPC classification number: H10K50/813 ,  H10K50/822 ,  H10K59/131 ,  H10K71/00 ,  H10K59/1201 ,  H10K59/88

Abstract: An organic light-emitting diode (OLED) display substrate, a manufacturing method thereof, and a display device are disclosed. In the OLED display substrate, an anode pattern is located at a side of an insulating layer away from a base substrate and is located in an effective display region; an organic light-emitting layer is located on the anode pattern; a periphery region includes a lead wire region and a virtual region that are at least partly overlapped; a lead wire is located in the lead wire region; the virtual region is provided with a virtual anode pattern, the virtual anode pattern is insulated from the lead wire; the periphery region further includes an annular electrode surrounding the effective display region; a cathode is electrically connected with the annular electrode; the virtual region is located at an outer side of the annular electrode away from the effective display region.

公开(公告)号：US20230180582A1

公开(公告)日：2023-06-08

申请号：US16965534

申请日：2019-08-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Chao Pu ,  Shengji Yang ,  Kuanta Huang ,  Pengcheng Lu ,  Xiaochuan Chen

IPC: H10K59/80 ,  H10K59/12 ,  H10K59/38

CPC classification number: H10K59/8722 ,  H10K59/1201 ,  H10K59/873 ,  H10K59/38

Abstract: A display device, an electronic apparatus and a method for manufacturing the display device are disclosed. The display device includes an array substrate and a first thin film encapsulation layer disposed on the array substrate. The array substrate is a silicon based organic light-emitting diode array substrate, and the array substrate includes a silicon substrate and a light-emitting device disposed on the silicon substrate; a second thin film encapsulation layer disposed between the light-emitting device and the first thin film encapsulation layer; and a color filter layer disposed between the first thin film encapsulation layer and the second thin film encapsulation layer, at each edge of the first thin film encapsulation layer, an orthographic projection of the array substrate on a plane parallel to the array substrate extends beyond an orthographic projection of the first thin film encapsulation layer on the plane.

公开(公告)号：US11563192B2

公开(公告)日：2023-01-24

申请号：US16959322

申请日：2019-08-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Junbo Wei ,  Shengji Yang ,  Chao Pu ,  Kuanta Huang ,  Pengcheng Lu ,  Xiaochuan Chen

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/56 ,  H01L51/00 ,  G09G3/3258

Abstract: A display device and a method for manufacturing a display device are provided. The display device includes an array substrate and a cover plate. The array substrate is a silicon-based organic light-emitting diode array substrate. An orthographic projection of the array substrate in a plane parallel to the array substrate covers an orthographic projection of the cover plate in the plane, the orthographic projection of the array substrate includes a plurality of edges, the orthographic projection of the cover plate includes a plurality of edges, the plurality of edges of the array substrate are in one-to-one correspondence to the plurality of edges of the cover plate. At least two edges of the orthographic projection of the array substrate do not overlap with corresponding edges of the orthographic projection of the cover plate and are located outside the orthographic projection of the cover plate.

公开(公告)号：US11538273B2

公开(公告)日：2022-12-27

申请号：US16626779

申请日：2018-12-03

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shengji Yang ,  Xue Dong ,  Xiaochuan Chen ,  Hui Wang ,  Pengcheng Lu ,  Kuanta Huang ,  Zengqiang Zheng

IPC: G06V40/13 ,  G02B5/18 ,  G02F1/1335 ,  G06F21/32 ,  G06F21/84 ,  H01L27/146

Abstract: An integrated photo-sensing detection display substrate. The integrated photo-sensing detection display substrate includes a base substrate; a plurality of light emitting elements on the base substrate and configured to emit light, a portion of the light being totally reflected by a surface thereby forming totally reflected light; an addressable diffraction grating layer on a side of the base substrate away from the plurality of light emitting elements, and including a plurality of individually addressable diffraction regions, light diffraction respectively in the plurality of individually addressable diffraction regions being independently controllable; and a photosensor on a side of the addressable diffraction grating layer away from the base substrate and configured to detect light transmitted from one or more of the plurality of individually addressable diffraction regions, thereby detecting fingerprint information.

公开(公告)号：US11532803B2

公开(公告)日：2022-12-20

申请号：US16640486

申请日：2019-07-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengcheng Lu ,  Xiaochuan Chen ,  Shengji Yang ,  Kuanta Huang ,  Minghua Xuan ,  Lei Wang ,  Yanming Wang ,  Dongni Liu ,  Han Yue ,  Weihai Wang

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

Abstract: A method of manufacturing a display panel includes providing a base substrate and forming a plurality of anodes above the base substrate; forming a photoresist layer above a side of the base substrate above which the plurality of anodes are formed, the photoresist layer including a plurality of openings and each opening corresponding to at least one anode; and forming a plurality of light emitting layers and a cathode layer sequentially above a side of the base substrate above which the plurality of anodes and the photoresist layer are formed, the cathode layer including a plurality of cathode films and each cathode film corresponding to a single opening.

公开(公告)号：US11521559B2

公开(公告)日：2022-12-06

申请号：US17258892

申请日：2020-03-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiao Bai ,  Shengji Yang ,  Pengcheng Lu

IPC: G09G3/3275

Abstract: The present disclosure relates to a display panel and a driving method thereof. The display panel includes a source driving circuit and a pixel driving circuit. The source driving circuit includes a DAC power amplifier, and a switch unit. The DAC is configured to convert a digital data signal into an analog data signal; the power amplifier is configured to receive the analog data signal and improve a driving capability of the analog data signal; the switch unit is connected to the DAC, the power amplifier, and a control signal terminal, and is configured to connect the DAC to the power amplifier in response to a signal of the control signal terminal. The pixel driving circuit includes a data signal terminal; an output terminal of the power amplifier is connected to the data signal terminal, and is configured to input the analog data signal with improved driving capability to the data signal terminal.

公开(公告)号：US11430853B2

公开(公告)日：2022-08-30

申请号：US16959214

申请日：2019-08-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengcheng Lu ,  Yunlong Li ,  Yuanlan Tian ,  Yu Ao

IPC: H01L29/18 ,  H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: A display substrate and a manufacturing method and a display device are provided. The display substrate includes: a first electrode pattern, a connecting electrode pattern, a second electrode, and a light-emitting functional layer. The first electrode pattern is located in a display region and includes a plurality of first electrodes spaced apart from each other. The connecting electrode pattern is located in a peripheral region and includes a plurality of connecting electrodes. The second electrode is connected with the connecting electrode pattern, the second electrode and the first electrode pattern being spaced apart from each other. The light-emitting functional layer is located between the first electrode pattern and the second electrode, the connecting electrode pattern surrounds the first electrode pattern, and at least two of the plurality of connecting electrodes are each of a block shape and are spaced apart from each other.

公开(公告)号：US11386845B2

公开(公告)日：2022-07-12

申请号：US17170196

申请日：2021-02-08

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shengji Yang ,  Xue Dong ,  Xiaochuan Chen ,  Hui Wang ,  Yanming Wang ,  Pengcheng Lu ,  Wei Liu ,  Huijuan Wang ,  Minghua Xuan

IPC: G09G3/3258 ,  G09G3/3233

Abstract: A pixel unit circuit includes a light emitting element, a first end thereof being coupled to a low level input end; a storage capacitor module, a first end thereof being coupled to a direct current voltage input end; a driving transistor, a gate electrode thereof being coupled to a second end of the storage capacitor module, and a first electrode thereof being coupled to a second end of the light emitting element; a first control module, coupled to a gate line, a data line and the gate electrode of the driving transistor, configured to control whether the gate electrode of the driving transistor is connected to the data line under the control of the gate line; and a potential control transistor, a gate electrode and a first electrode thereof being coupled to the first electrode of the driving transistor, the second electrode thereof being grounded.

公开(公告)号：US11328677B2

公开(公告)日：2022-05-10

申请号：US16768124

申请日：2019-05-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shengji Yang ,  Xue Dong ,  Xiaochuan Chen ,  Hui Wang ,  Pengcheng Lu ,  Fang Yu ,  Wei Liu

IPC: G09G3/32 ,  G09G3/3291 ,  G09G3/3233

Abstract: A method and a device for driving a pixel circuit, and a storage medium are provided. When a current data voltage of a pixel circuit is within a first voltage range and a target data voltage of the pixel circuit is within a second voltage range, the driving method comprises: refreshing a data voltage stored in the pixel circuit with a boundary value between the first voltage range and the second voltage range using a gate signal reference voltage corresponding to the first voltage range; and refreshing the data voltage stored in the pixel circuit with the target data voltage using a gate signal reference voltage corresponding to the second voltage range.

公开(公告)号：US11282913B2

公开(公告)日：2022-03-22

申请号：US16624217

申请日：2019-05-07

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Weihai Wang ,  Xiaochuan Chen ,  Shengji Yang ,  Pengcheng Lu

IPC: H01L29/08 ,  H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: A display substrate having a display region and at least one bonding region located on the periphery of the display region, includes: multiple first signal via holes located in the at least one bonding region and configured to provide bonding lead channels; and multiple second signal via holes located in the display region and configured to provide electrode lead channels. The diameter of each of the first signal via holes is greater than the diameter of any one second signal via hole.