公开(公告)号：US10573230B2

公开(公告)日：2020-02-25

申请号：US15793152

申请日：2017-10-25

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jie Fu ,  Xiaochuan Chen ,  Shengji Yang ,  Dongni Liu ,  Lei Wang ,  Han Yue ,  Pengcheng Lu ,  Li Xiao

IPC: G09G3/32 ,  G09G3/3216 ,  H01L27/32 ,  H01L51/52

Abstract: The present disclosure relates to a backlight source, a display device, and a driving method thereof, in the field of field of displays. The backlight source includes a Passive Matrix Organic Light Emitting Diode (PMOLED) display device, wherein the PMOLED display device includes a transparent substrate. A transparent wiring layer, an anode layer, a light emitting layer, a transparent cathode layer, and a transparent pixel definition layer are arranged on the transparent substrate subsequently. The light emitting layer includes a plurality of light emitting units for emitting white light, and the plurality of light emitting units are arranged in an array. The anode layer includes a plurality of anodes, the plurality of anodes are arranged below the corresponding plurality of light emitting units respectively, and can reflect light emitted from the corresponding light emitting units. The backlight source in the present application is implemented with PMOLED display device. The substrate, wiring layer, cathode layer and pixel definition layer of the PMOLED display device can use transparent materials, resulting in high transmittance of the backlight sources in the areas excluding the anodes, such that the transparent display device can have high transmittance.

公开(公告)号：US10461136B2

公开(公告)日：2019-10-29

申请号：US15566510

申请日：2017-06-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Can Zhang ,  Xiaochuan Chen ,  Dongni Liu

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/50 ,  H01L51/00 ,  H01L29/08 ,  H01L35/24

Abstract: An organic electroluminescent display panel and a method for manufacturing the same and a display device are disclosed. The organic electroluminescent display panel includes a base substrate, an anode and a cathode on the base substrate, and an organic light emitting layer located between the anode and the cathode, wherein the organic electroluminescent display panel further includes a semiconductor layer covering the entire base substrate, the semiconductor layer located between one of the anode and the cathode and the organic light emitting layer.

公开(公告)号：US10163393B2

公开(公告)日：2018-12-25

申请号：US15562828

申请日：2017-03-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shengji Yang ,  Xue Dong ,  Jing Lv ,  Xiaochuan Chen ,  Dongni Liu ,  Lei Wang ,  Li Xiao ,  Jie Fu ,  Pengcheng Lu ,  Han Yue

IPC: G09G5/02 ,  G09G3/3241 ,  G09G3/3266 ,  G09G3/3283

Abstract: A display substrate, a display equipment and a regional compensation method. The display substrate includes a pixel array, a common cathode current detection circuit, and a data signal compensation circuit. The common cathode current detection circuit is configured to detect a total current flowing through each common cathode; the data signal compensation circuit is configured to receive the pixel light emitting current of the first sub-pixel, receive the total current of the common cathode, and calculate compensation data for each of the sub-pixels according to the pixel light emitting current and the total current of the common cathode.

公开(公告)号：US12213354B2

公开(公告)日：2025-01-28

申请号：US17585026

申请日：2022-01-26

Applicant: BOE Technology Group Co., Ltd.

Inventor： Hao Chen ,  Jinxiang Xue ,  Liang Chen ,  Jiao Zhao ,  Li Xiao ,  Dongni Liu ,  Seungwoo Han ,  Haoliang Zheng ,  Minghua Xuan

IPC: H10K59/131 ,  G09F9/30 ,  H10K50/844 ,  H10K59/121 ,  H10K102/00

Abstract: A display panel is provided. The display panel includes a base substrate and a plurality of display units disposed on the base substrate. The display unit includes a signal line, a light-emitting device and a drive unit. The light-emitting device is disposed in a flexible display region of the base substrate, the drive unit is disposed in a pixel circuit region of the base substrate, and the signal line is connected with the light-emitting device and the drive unit.

公开(公告)号：US12198608B2

公开(公告)日：2025-01-14

申请号：US18005373

申请日：2021-11-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li Xiao ,  Seungwoo Han ,  Dongni Liu ,  Haoliang Zheng ,  Minghua Xuan ,  Jiao Zhao ,  Liang Chen ,  Xiaorong Cui

IPC: G09G3/32

Abstract: A display substrate includes a plurality of data lines extending in a first direction, and a plurality of sub-pixels. A sub-pixel includes a pixel driving circuit and a light-emitting device. The pixel driving circuit includes a current control circuit, and a duration control circuit electrically connected to the current control circuit and the light-emitting device. The current control circuit is configured to generate a driving signal to drive the light-emitting device to emit light; and the duration control circuit is configured to generate a duration control signal to control a duration of a connection between the current control circuit and the light-emitting device. The current control circuit and the duration control circuit are electrically connected to a same data line.

公开(公告)号：US12125428B2

公开(公告)日：2024-10-22

申请号：US17923690

申请日：2021-11-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Seungwoo Han ,  Haoliang Zheng ,  Dongni Liu ,  Li Xiao ,  Jiao Zhao ,  Xiaorong Cui ,  Minghua Xuan

IPC: G09G3/32 ,  G11C19/28

CPC classification number: G09G3/32 ,  G11C19/28 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0286 ,  G09G2310/08

Abstract: A shift register includes: an input circuit configured to receive an input signal; a first control circuit configured to control, in response to a second clock signal and a voltage at a second node, a voltage at the first node; a second control circuit configured to control, in response to a first clock signal, the second clock signal, and the voltage at the first node, a voltage at the second node, and control, in response to the second clock signal and the voltage at the first node, a voltage at the fifth node; and an output circuit configured to transmit, in response to an active level at the first node, a second power signal to an output signal terminal, and transmit, in response to an active level at the fifth node, the first power signal to the output signal terminal. All transistors included in the shift register are N-type transistors.

公开(公告)号：US12112707B2

公开(公告)日：2024-10-08

申请号：US18308385

申请日：2023-04-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li Xiao ,  Haoliang Zheng ,  Hao Chen ,  Minghua Xuan ,  Dongni Liu ,  Seungwoo Han ,  Liang Chen ,  Jiao Zhao ,  Xue Dong

IPC: G09G3/3258 ,  G09G3/3291

CPC classification number: G09G3/3258 ,  G09G3/3291

Abstract: A pixel circuit includes a driving circuit, a first control circuit and a second control circuit. The driving circuit is configured to receive a data signal in response to a scan signal, and generate, in response to a first enable signal, a driving signal according to a first voltage and the data signal. The first control circuit is configured to: receive a first input signal in response to a first control signal, and transmit a third input signal in response to the first input signal; and receive a second input signal in response to a second control signal, and transmit a second enable signal in response to the second input signal. The second control circuit is configured to transmit the driving signal to an element to be driven in response to one of the third input signal and the second enable signal.

公开(公告)号：US12057540B2

公开(公告)日：2024-08-06

申请号：US17283512

申请日：2020-05-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dongni Liu ,  Minghua Xuan ,  Chao Liu ,  Yingwei Liu

IPC: H01L21/00 ,  H01L33/00 ,  H01L33/62

CPC classification number: H01L33/62 ,  H01L33/005 ,  H01L2933/0066

Abstract: The present disclosure provides a display panel and a manufacturing method. The display panel includes: a base substrate including a display surface and a display back surface arranged opposite to each other, and a side surface connected to the display surface and the display back surface; a plurality of first wirings on the display surface of the base substrate; a plurality of second wirings on the display back surface of the base substrate; a transition body on the side surface of the base substrate and in contact with the first wirings and the second wirings, a surface of the transition body away from the side surface being a smooth curved surface; and a plurality of connection lines covering an outer surface of the transition body, each first wiring being electrically connected to a corresponding second wiring via a corresponding connection line.

公开(公告)号：US11972989B2

公开(公告)日：2024-04-30

申请号：US17253960

申请日：2019-11-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li Xiao ,  Dongni Liu ,  Minghua Xuan ,  Jiao Zhao ,  Haoliang Zheng ,  Zhenyu Zhang ,  Liang Chen ,  Hao Chen ,  Jing Liu ,  Qi Qi

IPC: H01L21/66 ,  G01R31/54 ,  G01R31/58 ,  H01L23/00 ,  H01L25/16 ,  H01L27/12 ,  H10K59/131

CPC classification number: H01L22/32 ,  G01R31/54 ,  G01R31/58 ,  H01L22/22 ,  H01L24/02 ,  H01L27/124 ,  H10K59/131 ,  H01L25/167 ,  H01L2224/02321 ,  H01L2224/02375 ,  H01L2224/02379

Abstract: The present application provides a method for detecting a broken fanout wire of a display substrate, and a display substrate, and belongs to the field of display technology. In the method for detecting a broken fanout wire, the display substrate includes a base substrate having first and second surfaces opposite to each other, and a plurality of connection structures disposed at intervals on the first surface; and each connection structure includes first and second pads and a fanout wire electrically connecting the first pad to the second pad. The method for detecting a broken fanout wire includes: forming at least one detection unit, which includes: connecting at least two connection structures in series through a connecting part; and measuring a head and an end of the detection unit to obtain resistance of the detection unit, and determining whether there is a broken fanout wire in the detection unit.

公开(公告)号：US11955075B2

公开(公告)日：2024-04-09

申请号：US17615514

申请日：2021-01-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dongni Liu ,  Qi Ql ,  Feng Qu ,  Minghua Xuan ,  Haoliang Zheng ,  Jiao Zhao

IPC: G09G3/3233 ,  H10K59/131

CPC classification number: G09G3/3233 ,  H10K59/131 ,  G09G2300/0426 ,  G09G2320/0233

Abstract: An array substrate has a display area and a non-display area including a first bonding region. The array substrate includes: a plurality of pixel columns disposed in the display area, each of the plurality of pixel columns including a plurality of light-emitting units that are arranged in a second direction, the second direction being perpendicular to a direction in which an edge of the display area proximate to the first bonding region extends; and at least three first power supply input terminals disposed in the first bonding region, each first power supply input terminal being connected to at least one pixel column of the plurality of pixel columns, so as to provide a first power supply signal to the at least one pixel column.