公开(公告)号：US11063067B2

公开(公告)日：2021-07-13

申请号：US16618291

申请日：2019-05-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Detao Zhao ,  Li Xiao ,  Lei Wang ,  Can Zhang ,  Can Wang ,  Han Yue ,  Minghua Xuan ,  Xiaochuan Chen

IPC: H01L27/12 ,  H01L27/32

Abstract: The present disclosure provides a display substrate, a repairing method, and a display device, the display substrate includes a plurality of driving circuits, each of which is configured to drive a display element in each of at least one sub-pixel to display, an output terminal of each driving circuit is coupled to the display element in the sub-pixel driven by the driving circuit through a branch having a switching element, the display substrate further includes: at least one repair line, which is configured to be associated with at least two driving circuits and initially decoupled from an output terminal of at least one of the at least two driving circuits, and the repair line is couplable to the output terminals of the at least two driving circuits with which the repair line is associated in response to a failure of one of the at least two driving circuits.

公开(公告)号：US11024680B2

公开(公告)日：2021-06-01

申请号：US16489789

申请日：2019-03-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ming Yang ,  Minghua Xuan ,  Ning Cong ,  Han Yue ,  Can Zhang ,  Can Wang ,  Xiaochuan Chen ,  Shengji Yang ,  Liang Chen

IPC: G06F3/044 ,  H01L27/32 ,  G06F3/041 ,  H01L51/00 ,  H01L51/52 ,  H01L51/56

Abstract: The present disclosure relates to a display panel and a method of fabricating the same. An organic light emitting diode (OLED) display panel, comprising: a plurality of touch electrodes configured to sense a touch; touch electrode leads electrically connected to the plurality of touch electrodes; and OLED devices each comprising a cathode and a functional layer having a via-hole; wherein, the plurality of touch electrodes function as cathodes of the OLED devices, and are electrically connected to the touch electrode leads through the via-holes.

公开(公告)号：US20210134767A1

公开(公告)日：2021-05-06

申请号：US16860119

申请日：2020-04-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Can Wang ,  Jiao Zhao ,  Han Yue ,  Can Zhang ,  Minghua Xuan

IPC: H01L25/075 ,  H01L27/12 ,  H01L33/62 ,  H01L33/60

Abstract: Disclosed are a display substrate and a manufacturing method therefor and a display device thereof. The display substrate includes: a drive backplate, and a plurality of micro LEDs and a retaining wall structure on the drive backplate; wherein a center of a light-emitting layer in the micro LED deviates from a center of the micro LED; the retaining wall structure is of an annular shape; the retaining wall structure corresponds to at least one micro LED in the display substrate; and a center of a surrounding region of the retaining wall structure in the drive backplate is located within a circumscribing region of a region where a light-emitting layer of the at least one micro LED is located.

公开(公告)号：US10818869B2

公开(公告)日：2020-10-27

申请号：US15751524

申请日：2017-08-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Can Zhang ,  Jing Lv

IPC: H01L51/52 ,  H01L51/56

Abstract: A top-emitting type organic electroluminescent device, a manufacturing method thereof and a display apparatus are disclosed. The top-emitting type organic electroluminescent device includes an anode, an organic functional layer and a cathode that are sequentially stacked. The cathode includes a transparent metal layer disposed on a surface of the organic functional layer facing away from the anode, and a transparent metal oxide layer disposed on a surface of the transparent metal layer facing away from the organic functional layer.

公开(公告)号：US10718972B2

公开(公告)日：2020-07-21

申请号：US15572984

申请日：2017-05-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Can Zhang

IPC: G02F1/13357 ,  G02B6/00 ,  G02B30/26

Abstract: Disclosed are a backlight source and a manufacturing method thereof, a display substrate, a display device and a display method thereof. The backlight source includes a base substrate; a partition layer, disposed on the base substrate and including a plurality of partition portions which are disposed at intervals along a direction parallel to the base substrate; a plurality of first light emitting components, respectively disposed between the plurality of partition portions along the direction parallel to the base substrate; and a plurality of second light emitting components, disposed at intervals with the plurality of first light emitting components, and respectively disposed on the plurality of partition portions.

公开(公告)号：US10534192B2

公开(公告)日：2020-01-14

申请号：US15679026

申请日：2017-08-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jian Gao ,  Xiaochuan Chen ,  Yafeng Yang ,  Can Zhang ,  Wei Wang ,  Xinli Ma ,  Jifeng Tan ,  Can Wang ,  Qian Wang

IPC: G02B27/22

Abstract: A stereo display panel is disclosed. The stereo display panel has: a collimated light display structure having first and second display regions configured to display left-eye and right-eye images respectively; and a light-redirecting structure disposed on a light exit surface of the collimated light display structure. The light-redirecting structure has a first portion and a second portion to deflect collimated light beams exiting from the first and second display regions towards predetermined left-eye viewing position and right-eye viewing position respectively, such that left-eye and right-eye virtual images seen by left and right eyes are located at a light incidence side of the collimated light display structure. A stereo display device having the stereo display panel is also disclosed.

公开(公告)号：US10510294B2

公开(公告)日：2019-12-17

申请号：US15580447

申请日：2017-06-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji Yang ,  Xue Dong ,  Jing Lv ,  Xiaochuan Chen ,  Can Zhang

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

Abstract: A pixel driving circuit, a driving method thereof and a display device are provided. The pixel driving circuit includes a driving control unit, a light-emission control signal generation unit and a pixel driving unit. The driving control unit is configured to generate a low resolution control signal or a high resolution control signal. The pixel driving unit includes N pixel driving sub-units. Each pixel driving sub-unit is configured to control M light-emitting elements connected to the pixel driving sub-unit to emit light simultaneously when the light-emission control signal generation unit has received the low resolution control signal, and control the M light-emitting elements to emit light in a time-division manner based on M data voltages applied to a data line in a time-division manner when the light-emission control signal generation unit has received the high resolution control signal, where N and M are both integers greater than 1.

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：US10444558B2

公开(公告)日：2019-10-15

申请号：US15750035

申请日：2017-07-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jifeng Tan ,  Wei Wang ,  Yafeng Yang ,  Xiaochuan Chen ,  Jian Gao ,  Xinli Ma ,  Can Wang ,  Can Zhang ,  Xiandong Meng ,  Xianqin Meng ,  Dacheng Zhang

IPC: G02F1/1335 ,  G02F1/1343 ,  F21V8/00

Abstract: A display panel and a display device are disclosed and belong to the field of display technology. The display panel comprises a first substrate and a second substrate opposite to each other, a liquid crystal layer, a first electrode, and a second electrode between the first substrate and the second substrate, a waveguide layer between the first substrate and the liquid crystal layer, and a plurality of grating units which are combined with the liquid crystal layer and disposed in a same layer as the liquid crystal layer; wherein the first electrode and the second electrode are configured to adjust a refractive index of the liquid crystal layer by changing voltages applied thereto; and a coupling efficiency at which light is coupled out of the waveguide layer is determined according to a difference between a refractive index of the grating units and the refractive index of the liquid crystal layer.

公开(公告)号：US20190259335A1

公开(公告)日：2019-08-22

申请号：US15738517

申请日：2017-06-12

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shengji Yang ,  Xue Dong ,  Jing Lv ,  Xiaochuan Chen ,  Can Zhang

IPC: G09G3/3258

Abstract: A pixel driving circuitry and a method for driving the same, a display substrate and a display device are provided. The pixel driving circuitry includes N pixel driving sub-circuits coupled to an identical data line, an nth pixel driving sub-circuit is configured to drive a light-emitting component of an nth pixel unit to emit light, where N is an integer larger than 1, and n is a positive integer smaller than or equal to N. The nth pixel driving sub-circuit includes an nth reset circuit, an nth driving transistor, an nth charge-discharge circuit, an nth compensation control circuit and an nth light-emitting control circuit.