公开(公告)号：US11953779B2

公开(公告)日：2024-04-09

申请号：US17770205

申请日：2021-06-08

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xiaoxin Song ,  Feng Zhang ,  Wenqu Liu ,  Zhijun Lv ,  Liwen Dong ,  Zhao Cui ,  Detian Meng ,  Libo Wang ,  Dongfei Hou ,  Qi Yao ,  Xue Dong

IPC: G02F1/00 ,  G02F1/1335 ,  G02F1/13357

CPC classification number: G02F1/133603 ,  G02F1/133605 ,  G02F1/133607 ,  G02F1/133612

Abstract: The present disclosure relates to a backlight module, a method for designing the same, and a display device. The backlight module includes: a first substrate; a plurality of LED chips on the first substrate; and a light control structure on the first substrate. The backlight module includes a plurality of light control region groups in one-to-one correspondence with the plurality of light-emitting diode chips, each light control region group includes at least a first light control region and a second light control region. The light control structure includes a plurality of light control substructure groups respectively located in the plurality of light control region groups. Each light control substructure group includes at least a first light control substructure in the first light control region and a second light control substructure in the second light control region.

公开(公告)号：US11953680B2

公开(公告)日：2024-04-09

申请号：US17311477

申请日：2020-12-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Liwen Dong ,  Feng Zhang ,  Wenqu Liu ,  Zhijun Lv ,  Zhao Cui ,  Detian Meng ,  Libo Wang ,  Xiaoxin Song

IPC: G02B27/01

CPC classification number: G02B27/0101 ,  G02B2027/0118

Abstract: This disclosure relates to a see-through display device, including: a collimated light source assembly, configured to form collimated light and control a light emitting direction; a first light extraction layer, configured to extract, in a collimated manner, the light ray transmitted inside the light guide plate through a light extraction outlet; an extinction layer and a second light extraction layer, wherein the extinction layer includes a light guide region and a light absorption region which are arranged alternately, and the second light extraction layer includes multiple light extraction inlets; a reflecting layer, arranged on a side, close to the light guide plate, of the second light extraction layer and configured to reflect the collimated light extracted from the light extraction outlet to the light guide plate; and a liquid crystal dimming layer. This disclosure further relates to a manufacturing method of the see-through display device.

公开(公告)号：US11793027B2

公开(公告)日：2023-10-17

申请号：US17478428

申请日：2021-09-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jinxiang Xue ,  Xiaolei Zhang ,  Guoqiang Wang ,  Zhao Cui ,  Huili Wu ,  Zhongyuan Sun ,  Kai Sui ,  Guangcai Yuan ,  Wenqi Liu ,  Yichi Zhang

IPC: H10K50/844 ,  H10K71/00

CPC classification number: H10K50/844 ,  H10K71/00

Abstract: A display panel includes a base; a plurality of display units disposed on a surface of the base, every two adjacent display units being provided with a gap therebetween; and a connection unit disposed in the gap and connected to the every two adjacent display units. The connection unit includes a first organic layer, a conductive layer and a second organic layer that are sequentially stacked. The first organic layer and the second organic layer are each configured to block stress causing the connection unit to deform.

公开(公告)号：US11785825B2

公开(公告)日：2023-10-10

申请号：US17210733

申请日：2021-03-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Haitao Huang ,  Shi Shu ,  Qi Yao ,  Chuanxiang Xu ,  Zhao Cui ,  Lina Jing ,  Renquan Gu ,  Yong Yu

IPC: H10K59/38 ,  H10K50/854 ,  H10K50/856 ,  H10K50/86 ,  H10K59/12 ,  H10K102/00

CPC classification number: H10K59/38 ,  H10K50/854 ,  H10K50/856 ,  H10K50/865 ,  H10K59/12 ,  H10K2102/331

Abstract: A display panel is provided with a plurality of sub-pixel areas and includes: a base substrate, a light emitting structure including a plurality of light emitting devices corresponding to the sub-pixel areas, an encapsulating layer, and a pixel defining layer. The pixel defining layer includes: a plurality of openings; at least two sub-pixel defining layers, and a quantum dot color film layer. Each of the sub-pixel defining layers is provided with a pixel separator. The pixel separators fence each of the plurality of openings, and define the plurality of sub-pixel areas. In the at least two sub-pixel defining layers, the sectional shape of the pixel separator in the sub-pixel defining layer which is farthest away from the encapsulating layer includes a regular trapezoid. The quantum dot color film layer includes a plurality of quantum dot color films arranged in the corresponding openings.

公开(公告)号：US11736865B2

公开(公告)日：2023-08-22

申请号：US17288947

申请日：2020-05-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhao Cui ,  Feng Zhang ,  Wenqu Liu ,  Liwen Dong ,  Zhijun Lv ,  Xiaoxin Song ,  Detian Meng ,  Libo Wang ,  Qi Yao

IPC: H04R17/02 ,  H04R3/00 ,  H04R19/02 ,  H04R17/00 ,  H04R31/00 ,  H10N30/857 ,  H10N30/87

CPC classification number: H04R17/005 ,  H04R3/00 ,  H04R31/006 ,  H10N30/857 ,  H10N30/872 ,  H04R2430/00

Abstract: A transducer, a method of manufacturing a transducer, and a transducing device are provided. The transducer includes a receiving unit and a transmitting unit. The receiving unit includes a first receiving electrode, a first piezoelectric film, and a second receiving electrode which are sequentially stacked, and the receiving unit is configured to convert a first acoustic wave signal into an electrical signal by using a piezoelectric effect of the first piezoelectric film. The transmitting unit is configured to receive a control signal, which is based on the electrical signal, to transmit a second acoustic wave signal.

公开(公告)号：US11719983B2

公开(公告)日：2023-08-08

申请号：US16986748

申请日：2020-08-06

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yang Yue ,  Qi Yao ,  Yong Yu ,  Hua Huang ,  Tong Yang ,  Shi Shu ,  Chuanxiang Xu ,  Xue Jiang ,  Haitao Huang ,  Xiang Li ,  Zhao Cui

IPC: G02F1/1347 ,  G02F1/1335 ,  G02F1/13357 ,  G02F1/1339 ,  G02F1/1343 ,  G02F1/1362

CPC classification number: G02F1/1347 ,  G02F1/13394 ,  G02F1/13396 ,  G02F1/13398 ,  G02F1/13471 ,  G02F1/133512 ,  G02F1/133514 ,  G02F1/133528 ,  G02F1/133617 ,  G02F1/134309 ,  G02F1/136286 ,  G02F1/133548 ,  G02F1/133614 ,  G02F2201/121 ,  G02F2201/123

Abstract: The present disclosure provides a display panel, a manufacturing method thereof, and a display device. The display panel includes: a first medium and a first spacer wall between the first substrate and the second substrate, wherein the first sub-panel has filter pixels arranged at intervals, the first spacer wall is black and arranged along spaces between filter pixels, and a dielectric coefficient of the first spacer wall is greater than that of the first medium; and a second sub-panel on a light emergent side of the first sub-panel and including a second medium and a second spacer wall between the third substrate and the fourth substrate, wherein the second sub-panel has display pixels arranged at intervals, the second spacer wall is black and arranged along spaces between display pixels, and a dielectric coefficient of the second spacer wall is greater than that of the second medium.

公开(公告)号：US11703478B2

公开(公告)日：2023-07-18

申请号：US16957614

申请日：2019-07-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaoxin Song ,  Feng Zhang ,  Wenqu Liu ,  Zhijun Lv ,  Liwen Dong ,  Zhao Cui ,  Detian Meng ,  Libo Wang ,  Qi Yao

IPC: G01N29/02

CPC classification number: G01N29/022 ,  G01N2291/0228

Abstract: A micro total analysis system, operating method and manufacturing method thereof are provided. The micro total analysis system includes at least one micro total analysis unit each including: microfluidic device including first electrode and dielectric layer connected to each other, where the dielectric layer drives to-be-measured droplet to move based on voltage of the first electrode; and acoustic wave detection device including second electrode connected to the dielectric layer, where the dielectric layer is also used as transducer of the acoustic wave detection device, and configured to generate acoustic wave toward the droplet based on voltage of the second electrode, and generate a detection result corresponding to the droplet based on received acoustic wave. The micro total analysis system, the operating method and the manufacturing method thereof enables the microfluidic device and the acoustic wave detection device to be integrated in the same chip.

公开(公告)号：US11678530B2

公开(公告)日：2023-06-13

申请号：US17359675

申请日：2021-06-28

Applicant: BOE Technology Group Co., Ltd.

Inventor： Wenqu Liu ,  Qi Yao ,  Detian Meng ,  Feng Zhang ,  Zhao Cui ,  Liwen Dong ,  Xiaoxin Song ,  Dongfei Hou ,  Libo Wang ,  Zhijun Lv

IPC: H01L29/32 ,  H10K59/126 ,  H01L29/786 ,  H10K71/00

CPC classification number: H10K59/126 ,  H01L29/7869 ,  H01L29/78672 ,  H10K71/00

Abstract: Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a substrate, an active structure layer disposed on the substrate, a first source-drain structure layer disposed on a side of the active structure layer away from the substrate, and a second source-drain structure layer disposed on a side of the first source-drain structure layer away from the substrate. The active structure layer includes a first active layer and a second active layer. The first source-drain structure layer includes a first active via and a first source-drain electrode, and the first source-drain electrode is connected to the first active layer through the first active via; and the second source-drain structure layer includes a second active via and a second source-drain electrode, and the second source-drain electrode is connected to the second active layer through the second active via.

公开(公告)号：US20220317513A1

公开(公告)日：2022-10-06

申请号：US17419685

申请日：2020-09-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Haitao Huang ,  Shi Shu ,  Chuanxiang Xu ,  Liuqing Li ,  Zhao Cui ,  Renquan Gu

IPC: G02F1/1335 ,  G02F1/1343 ,  G02F1/1368 ,  H01L27/32 ,  H01L51/56 ,  G03F7/00 ,  C23C16/26 ,  C23C16/50

Abstract: A display panel is provided. The display panel includes a bank layer and a quantum dots material layer on a base substrate. The bank layer defines a plurality of bank apertures. The quantum dots material layer includes a plurality of quantum dots blocks respectively in at least some of the plurality of bank apertures. At least a portion of the bank layer between two adjacent bank apertures includes a first surface, a second surface opposite to the first surface, a third surface connecting the first surface and the second surface closer to a first bank aperture, and a fourth surface connecting the first surface and the second surface closer to a second bank aperture. At least a portion of a third surface or a fourth surface of a portion of the bank layer between two adjacent bank apertures is a wavy surface including alternating convex and concave portions.

公开(公告)号：US11442583B2

公开(公告)日：2022-09-13

申请号：US16966394

申请日：2020-01-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wenqu Liu ,  Xiufeng Li ,  Qi Yao ,  Feng Zhang ,  Liwen Dong ,  Zhao Cui ,  Chuanxiang Xu ,  Detian Meng ,  Xiaoxin Song ,  Libo Wang ,  Yang Yue ,  Dongfei Hou ,  Zhijun Lv

IPC: G06F3/043 ,  H01L41/04 ,  H01L41/047 ,  H01L41/083 ,  H01L41/113 ,  H01L41/27 ,  G06F3/044 ,  G06F3/041 ,  G06V40/13 ,  G06V40/12

Abstract: A fingerprint identification module, a manufacturing method thereof and an electronic device are disclosed. In the fingerprint identification module, an auxiliary structure is at least partially located on a functional substrate, and a plurality of first driving electrodes are on a side, away from the functional substrate, of the piezoelectric material and the auxiliary structure; each first driving electrode extends along a first direction and exceeds a first edge of the piezoelectric material layer in the first direction; the plurality of first driving electrodes are arranged at intervals along a second direction; the auxiliary structure is at least in contact with the first edge; the auxiliary structure includes a slope portion; and a thickness of the slope portion in a direction perpendicular to the functional substrate gradually decreases in a direction from the first edge to a position away from a center of the piezoelectric material layer.