公开(公告)号：US20200302867A1

公开(公告)日：2020-09-24

申请号：US16769420

申请日：2019-11-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueling GAO ,  Kuanjun PENG ,  Wei QIN ,  Zhiqiang XU ,  Tieshi WANG ,  Xiaolong LI ,  Jintao PENG

IPC: G09G3/3258 ,  G09G3/3275

Abstract: A pixel driving circuit and a driving method thereof, and a display panel are provided. The pixel driving circuit includes a driving sub-circuit, a reset sub-circuit, a light-emitting control sub-circuit, and a first compensation sub-circuit, the reset sub-circuit, the light-emitting control sub-circuit, and the first compensation sub-circuit are configured to, in an initialization phase, under control of a first driving signal and a second driving signal, provide the first power supply voltage provided by the first power supply input terminal to the control terminal of the driving sub-circuit; the first terminal of the driving sub-circuit is connected to the second power supply input terminal to receive the second power supply voltage; and the first power supply voltage and the second power supply voltage are configured to cause the driving sub-circuit to be in an on-bias state in the initialization phase.

公开(公告)号：US20240332468A1

公开(公告)日：2024-10-03

申请号：US18667288

申请日：2024-05-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Kai GUO ,  Weixing LIU ,  Wanpeng TENG ,  Meirong LU ,  Yuwei YAN ,  Chunfang ZHANG ,  Zhiqiang XU ,  Jintao PENG ,  Xinxing WANG

IPC: H01L33/58 ,  H01L27/15 ,  H01L33/00 ,  H01L33/50 ,  H01L33/52

CPC classification number: H01L33/58 ,  H01L27/156 ,  H01L33/0093 ,  H01L33/502 ,  H01L33/507 ,  H01L33/52

Abstract: A display panel has sub-pixel regions. The display panel includes an optical device layer, an adhesive layer and a light adjustment layer. The optical device layer includes a buffer layer and light-emitting units, a light-emitting unit is located in an opening region of a corresponding sub-pixel region, and the buffer layer is located on a light-exit surface of the light-emitting units. The adhesive layer is located on a side of the buffer layer away from the light-emitting units, a refractive index n2 of the adhesive layer being less than a refractive index n1 of the buffer layer. The light adjustment layer is located on the side of the buffer layer, and is configured such that when light emitted by the light-emitting units enters into the buffer layer, at least part of light with a refraction angle greater than or equal to




arc
⁢

sin
⁢



n
⁢
2


n
⁢
1






enters the adhesive layer through the light adjustment layer.

公开(公告)号：US20240282782A1

公开(公告)日：2024-08-22

申请号：US18640015

申请日：2024-04-19

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guoteng LI ,  Shuilang DONG ,  Xinhong LU ,  Jingshang ZHOU ,  Liuqing LI ,  Zhao CUI ,  Dapeng XUE ,  Zhiqiang XU ,  Jintao PENG ,  Weixing LIU ,  Kai GUO ,  Chunfang ZHANG ,  Meirong LU ,  Wanpeng TENG

IPC: H01L27/12 ,  H01L25/16

CPC classification number: H01L27/1248 ,  H01L25/167

Abstract: A display panel and a display device are provided. The display panel includes a plurality of display units, each display unit includes a transparent area, and the display panel further includes a base substrate and a composite functional layer. The composite functional layer is provided on a side of the base substrate and has a first through-hole formed therein, and the first through-hole is provided in the transparent area. The composite functional layer includes a composite transparent layer and a light-shielding layer. The composite transparent layer includes a plurality of transparent functional layers, and includes a light-transmitting part surrounding the first through-hole. An orthographic projection of the light-shielding layer on the base substrate covers an orthographic projection of at least a portion of the light-transmitting part on the base substrate.

公开(公告)号：US20240266358A1

公开(公告)日：2024-08-08

申请号：US18021902

申请日：2022-05-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zhiqiang XU ,  Weixing LIU ,  Chunfang ZHANG ,  Wanpeng TENG ,  Jintao PENG ,  Kai GUO ,  Meirong LU

IPC: H01L27/12 ,  G02F1/133 ,  G02F1/13357 ,  G02F1/1343 ,  G02F1/1362 ,  G02F1/1368

CPC classification number: H01L27/124 ,  G02F1/13306 ,  G02F1/133621 ,  G02F1/134309 ,  G02F1/136227 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2203/30

Abstract: The embodiment of the present disclosure provides a display panel, which includes an array substrate, a counter substrate and a spacer. The array substrate includes a base substrate and a plurality of signal lines on the base substrate. The plurality of signal lines include a plurality of first signal lines and a plurality of second signal lines. The plurality of first signal lines and the plurality of second signal lines intersect each other to define a plurality of first regions. The plurality of first regions include a plurality of first pixel regions, at least one second pixel region and at least one redundant region. The first signal line extends along a first direction, the second signal line includes a body portion extending along a second direction, at least one second signal line further includes a bending portion connected to the body portion.

公开(公告)号：US20210027711A1

公开(公告)日：2021-01-28

申请号：US16829407

申请日：2020-03-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wei QIN ,  Zhiqiang XU ,  Xiaolong LI ,  Tieshi WANG ,  Weixing LIU ,  Kai GUO ,  Jintao PENG ,  Yanan NIU ,  Kuanjun PENG

IPC: G09G3/3258 ,  G09G3/3291 ,  G06F3/041 ,  G06F3/044 ,  G06K9/00

Abstract: A pixel circuit includes a sensing circuit, a gray-scale control circuit and a light-emitting switch circuit; the sensing circuit is configured to charge and discharge a sensing capacitor when a sensing capacitor is formed by a touch object and an anode layer of OLED; the gray-scale control circuit is configured to control the light-emitting intensity of the OLED; the light-emitting switch circuit is configured to control the OLED to emit light.

公开(公告)号：US20200033618A1

公开(公告)日：2020-01-30

申请号：US16442975

申请日：2019-06-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaolong LI ,  Wei QIN ,  Kuanjun PENG ,  Xueling GAO ,  Fangzhen ZHANG ,  Jintao PENG ,  Jinqian WANG ,  Miaomiao YANG ,  Shuang SUN ,  Chunfang ZHANG ,  Shengnan LI

IPC: G02B27/22 ,  G02B5/124 ,  G02B27/26

Abstract: A semi-transparent semi-retroreflective film and an air display device are provided. The air display device includes: a first polarizer and a second polarizer assembled with each other to form a cell; a semi-transparent semi-reflective structure and a semi-transparent semi-retroreflective film disposed between the first polarizer and the second polarizer; a first ¼ wave plate disposed at a side of the air display device adjacent to the first polarizer; and a second ¼ wave plate disposed between the semi-transparent semi-reflective structure and the semi-transparent semi-retroreflective film. The air display device is configured such that polarized light incident from the first polarizer, after being processed by an internal optical path of the air display device, exits from the second polarizer to form an air image at a side of the air display device away from the first polarizer.

公开(公告)号：US20240276775A1

公开(公告)日：2024-08-15

申请号：US18023381

申请日：2022-03-16

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jintao PENG ,  Yanan NIU ,  Zhikun GAO ,  Tingting ZHOU ,  Bin QIN ,  Shuang SUN

IPC: H10K59/122 ,  H10K59/35

CPC classification number: H10K59/122 ,  H10K59/35

Abstract: A display substrate includes a light emitting structure layer arranged on a base substrate, the light emitting structure layer includes a first electrode layer, a pixel definition layer, a light emitting functional layer, a second electrode layer, a third electrode layer and an electrode insulation layer; the first electrode layer includes multiple first electrodes, and the pixel definition layer is provided with a pixel opening exposing a first electrode and a grid-shaped isolation groove structure; the third electrode layer and the electrode insulation layer are sequentially stacked on a side of the pixel definition layer; the light emitting functional layer and the second electrode layer are sequentially stacked; the second electrode layer and the third electrode layer are configured to be equipotential; the light emitting functional layer includes at least two stacked light emitting units and a charge generation layer positioned between two adjacent light emitting units.

公开(公告)号：US20240257772A1

公开(公告)日：2024-08-01

申请号：US18290924

申请日：2022-09-05

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yuzhen GUO ,  Haoliang ZHENG ,  Minghua XUAN ,  Hebin ZHAO ,  Meirong LU ,  Chenyang ZHANG ,  Li XIAO ,  Xiaorong CUI ,  Jiao ZHAO ,  Shulei LI ,  Weixing LIU ,  Jintao PENG ,  Chunfang ZHANG ,  Xinxing WANG ,  Zhiqiang XU ,  Wanpeng TENG ,  Kai GUO

IPC: G09G3/34 ,  G02F1/167 ,  G02F1/16756 ,  G02F1/16766 ,  G02F1/1677

CPC classification number: G09G3/344 ,  G02F1/167 ,  G02F1/16756 ,  G02F1/16766 ,  G02F1/1677

Abstract: A display panel, a method for driving a display panel, and a display apparatus are provided. The display panel includes a first base substrate and a plurality of pixels on one side of the first base substrate. Each pixel includes: a plurality of pixel sub-electrodes independent from each other and configured to form an electric field with an included angle greater than 0 with respect to a direction perpendicular to the first base substrate under control of incompletely same driving signals; a common electrode on a side of the pixel electrode away from the first base substrate; and an electrophoretic liquid layer between the pixel electrode and the common electrode, including a plurality of charged particles therein.

公开(公告)号：US20240112635A1

公开(公告)日：2024-04-04

申请号：US18534793

申请日：2023-12-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xueling GAO ,  Chengchung YANG ,  Tieshi WANG ,  Jintao PENG

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2320/041 ,  G09G2320/045 ,  G09G2330/028

Abstract: A pixel circuit, a display panel, a display apparatus and a driving method. The pixel circuit includes a data signal writing module, a driving module, a threshold compensation transistor, a first power voltage writing module and a light-emitting module, wherein the driving module includes a driving transistor.

公开(公告)号：US20240088328A1

公开(公告)日：2024-03-14

申请号：US18263567

申请日：2021-10-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Bin QIN ,  Kuanjun PENG ,  Weixing LIU ,  Fangzhen ZHANG ,  Xue DONG ,  Jintao PENG ,  Wanpeng TENG ,  Xiaolong LI ,  Shuang SUN ,  Wanzhi CHEN ,  Guangcai YUAN ,  Qian JIA

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/06 ,  H01L33/14 ,  H01L33/54 ,  H01L33/60 ,  H01L33/62 ,  H01L33/64

CPC classification number: H01L33/385 ,  H01L27/15 ,  H01L33/06 ,  H01L33/145 ,  H01L33/54 ,  H01L33/60 ,  H01L33/62 ,  H01L33/642

Abstract: A light-emitting device, a light-emitting substrate, and a method for manufacturing the light-emitting device. The light-emitting device includes at least one light-emitting structure. The light-emitting structure includes: a first semiconductor layer; a light-emitting layer; a second semiconductor layer, doping ions of the second semiconductor layer and a first semiconductor layer being oppositely charged; a barrier structure provided with an opening for exposing the second semiconductor layer, the orthographic projection of the opening on the base substrate being located in the orthographic projection of the light-emitting layer on the base substrate, and the area of the opening being smaller than that of the light-emitting layer; and a landing electrode located on the side of the barrier structure facing away from the second semiconductor layer, the landing electrode being in contact with the second semiconductor layer by means of the opening.