公开(公告)号：US20240372050A1

公开(公告)日：2024-11-07

申请号：US18774927

申请日：2024-07-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: H01L33/58 ,  H01L25/075 ,  H01L33/00 ,  H01L33/50 ,  H01L33/62

Abstract: A display panel includes a driving backplane, an optical device layer, an adhesive layer and an optical conversion layer. The optical device layer includes optical devices each including a buffer layer and at least one light emitting unit. The buffer layer includes a first surface and a second surface. The first surface is farther away from the driving backplane than the second surface. The light-emitting unit is located on a side of the second surface away from the first surface. A buffer layer of at least one optical device further includes a side surface for connecting a first surface and a second surface. The side surface intersects with the first surface to form a first acute angle, and the side surface intersects with the second surface to form a first obtuse angle. A refractive index of the adhesive layer is less than a refractive index of the buffer layer.

公开(公告)号：US20240371323A1

公开(公告)日：2024-11-07

申请号：US18247634

申请日：2022-06-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Weixing LIU ,  Zhiqiang XU ,  Jintao PENG ,  Chunfang ZHANG ,  Wanpeng TENG ,  Kai GUO ,  Jiao LI

IPC: G09G3/3233 ,  G09G3/20

Abstract: A pixel circuit includes a light emitting element, a first energy storage circuit, a first driving circuit, a second driving circuit, a first driving control circuit, a second driving control circuit, a second energy storage circuit and a first control data voltage writing-in circuit; the first control data voltage writing-in circuit controls to write a first control data voltage into the third node under the control of a first writing-in control signal; both the first terminal of the first driving circuit and the first terminal of the second driving circuit are electrically connected to a power supply voltage terminal, the first driving circuit is used to drive the light emitting element under the control of a potential of the control terminal thereof, and the second driving circuit is used to drive the light emitting element under the control of a potential of the control terminal thereof.

公开(公告)号：US20240282263A1

公开(公告)日：2024-08-22

申请号：US18650738

申请日：2024-04-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Weixing LIU ,  Kuanjun PENG ,  Bin QIN ,  Xue DONG ,  Fangzhen ZHANG ,  Wanpeng TENG ,  Tieshi WANG ,  Wanzhi CHEN ,  Kai GUO ,  Chunfang ZHANG

IPC: G09G3/3233 ,  H01L27/15 ,  H01L33/06 ,  H01L33/38

CPC classification number: G09G3/3233 ,  H01L27/156 ,  H01L33/06 ,  H01L33/38 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0262 ,  G09G2310/08 ,  G09G2320/0233

Abstract: A pixel driving circuit includes a data writing circuit, a light-emitting control circuit, a switching circuit and a light-emitting diode chip. The data writing circuit is electrically connected to a first scanning signal terminal, a data signal terminal and a first node. The light-emitting control circuit is configured to transmit a first voltage signal received at the first voltage signal terminal to a second node. The switching circuit includes switching transistors. The light-emitting diode chip is electrically connected to the second node. The light-emitting diode chip includes light-emitting portions. The light-emitting diode chip is configured to drive the light-emitting portions to emit light in different periods of time respectively or drive at least two light-emitting portions to emit light in a same period of time. At least part of the light-emitting portions are sequentially connected in series through at least one switching transistor.

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
⁢



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⁢
2


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⁢
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：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：US20220351681A1

公开(公告)日：2022-11-03

申请号：US17762092

申请日：2021-05-21

Applicant: BOE Technology Group Co., Ltd.

Inventor： Weixing LIU ,  Kai GUO ,  Tieshi WANG ,  Wei QIN

IPC: G09G3/3233 ,  H01L27/32

Abstract: A pixel circuit, including: an input sub-circuit, a driving control sub-circuit, a light emission control sub-circuit, a driving sub-circuit, a first light-emitting element and a second light-emitting element, wherein the driving control sub-circuit comprises a capacitor; the input sub-circuit is used for providing a signal of a data signal end to a first node; the driving control sub-circuit adjusts the voltages of the first node, a second node and a third node by means of controlling the voltages at two ends of the capacitor; the light emission control sub-circuit is used for providing a signal of a first power supply signal end to the second node under the signal control of a light emission control signal end; and the driving sub-circuit is used for connecting or disconnecting the connection between the second node and the third node under the signal control of the first node.

公开(公告)号：US20210265439A1

公开(公告)日：2021-08-26

申请号：US17255866

申请日：2020-04-10

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jintao PENG ,  Yanan NIU ,  Kuanjun PENG ,  Kai GUO ,  Bin QIN ,  Xiaolong LI ,  Wanpeng TENG

IPC: H01L27/32

Abstract: The present disclosure provides a pixel compensation circuit and a manufacturing method thereof, an OLED array substrate and a manufacturing method thereof, and a display device. The pixel compensation circuit includes a first TFT and a second TFT on a substrate. The first TFT includes: a first electrode on the substrate, a first interlayer dielectric layer on a side of the first electrode away from the substrate and having an opening exposing at least a portion of the first electrode; a second electrode on a side of the first interlayer dielectric layer away from the first electrode; and an active layer extending from the second electrode to the first electrode. The second TFT includes: an active layer on the substrate; and a first electrode and a second electrode in a same layer and on a side of the active layer of the second TFT away from the substrate.