公开(公告)号：US12089449B2

公开(公告)日：2024-09-10

申请号：US17424747

申请日：2020-09-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Haitao Huang ,  Chuanxiang Xu ,  Shi Shu ,  Yong Yu ,  Renquan Gu

IPC: H10K59/122 ,  H10K50/86 ,  H10K59/121 ,  H10K59/38

CPC classification number: H10K59/122 ,  H10K50/865 ,  H10K59/1213 ,  H10K59/38

Abstract: A display panel includes: a base; a pixel defining layer disposed on a side of the base; a plurality of light-emitting devices disposed on a side of the base; and at least one connection portion disposed on a side of the pixel defining layer away from the base. The pixel defining layer has a plurality of first openings. At least a portion of each light-emitting device is located in a first opening. An orthogonal projection of a connection portion on the base is located within an orthogonal projection of the pixel defining layer on the base. A surface of the connection portion away from the base has a plurality of protrusions, and the connection portion is configured to diffusely reflect external ambient light incident into the display panel.

公开(公告)号：US11968871B2

公开(公告)日：2024-04-23

申请号：US17265241

申请日：2020-06-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yong Yu ,  Yang Yue ,  Haitao Huang ,  Xiang Li ,  Shi Shu ,  Chuanxiang Xu

IPC: H10K59/35 ,  H10K50/80 ,  H10K59/122 ,  H10K59/38 ,  H10K71/00 ,  H10K59/12

CPC classification number: H10K59/353 ,  H10K50/868 ,  H10K59/122 ,  H10K59/38 ,  H10K71/00 ,  H10K59/1201

Abstract: The disclosure provides a display substrate, a manufacturing method thereof and a display device. The display substrate has a plurality of subpixel regions. The display substrate includes a base substrate and a pixel definition layer on the base substrate. The pixel definition layer defines a plurality of subpixel openings and each of the subpixel openings occupies one subpixel region. The display substrate further includes a functional medium layer on a side of the pixel definition layer away from the base substrate. The functional medium layer includes a first portion covering side surfaces of the subpixel opening and a second portion covering a top surface of the pixel definition layer. In the same subpixel region, surface energy of the first portion is greater than surface energy of the second portion.

公开(公告)号：US11885978B2

公开(公告)日：2024-01-30

申请号：US17348677

申请日：2021-06-15

Applicant: BOE Technology Group Co., Ltd.

Inventor： Feng Zhang ,  Kang Guo ,  Renquan Gu ,  Detian Meng ,  Libo Wang ,  Dongfei Hou ,  Guangcai Yuan ,  Xue Dong ,  Wei Wang ,  Jinye Zhu ,  Jing Yu ,  Jing Liu ,  Haitao Huang

IPC: G02B3/00 ,  B29D11/00 ,  G02B27/09 ,  G02B27/01

CPC classification number: G02B3/0043 ,  B29D11/00298 ,  G02B3/0056 ,  G02B27/0172 ,  G02B27/0961

Abstract: Disclosed are a micro-lens structure, a displaying device, and a machining method of the micro-lens structure. The micro-lens structure specifically comprises: micro-lens units distributed in an array, wherein each micro-lens unit comprises at least two micro-lenses made of a photoresist, and the at least two micro-lenses have different arch heights.

公开(公告)号：US12114535B2

公开(公告)日：2024-10-08

申请号：US17428630

申请日：2020-10-19

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yang Yue ,  Shi Shu ,  Qi Yao ,  Wei Huang ,  Haitao Huang ,  Shipei Li ,  Yong Yu ,  Xiang Li ,  Chuanxiang Xu ,  Wenqu Liu

IPC: H10K59/122 ,  G02B5/20

CPC classification number: H10K59/122 ,  G02B5/201

Abstract: A counter substrate is provided. The counter substrate includes a bank layer on a base substrate and defining a plurality of bank apertures; a quantum dots material layer on the base substrate, the quantum dots material layer including a plurality of quantum dots blocks respectively in at least some of the plurality of bank apertures; and a support layer on a side of the quantum dots material layer and the bank layer away from the base substrate. The support layer includes one or more support portions, orthographic projections of which on the base substrate adjacent to a periphery of an orthographic projection of a respective one of the plurality of bank apertures on the base substrate. An orthographic projection of the bank layer on the base substrate at least partially overlaps with an orthographic projection of the support layer on the base substrate.

公开(公告)号：US20240210599A1

公开(公告)日：2024-06-27

申请号：US17913272

申请日：2021-11-23

Applicant: BOE Technology Group Co., Ltd.

Inventor： Lili Chen ,  Hao Zhang ,  Xue Dong ,  Ruijun Dong ,  Haitao Huang ,  Jiarong Bai

IPC: G02B3/08 ,  G02F1/29

CPC classification number: G02B3/08 ,  G02F1/29

Abstract: Provided are a device and a method for eliminating a stray light of a Fresnel lens and an optical apparatus. The device for eliminating a stray light of a Fresnel lens includes: at least one Fresnel lens body, wherein each Fresnel lens body has a flat surface and a concave-convex surface that are arranged oppositely, the concave-convex surface is provided with a plurality of optical parts, and each of the optical parts is provided with an optically working surface and an optically invalid surface; and at least one electro-barrier provided with a plurality of pixels arranged in an array, wherein the plurality of pixels are controllable to be turned on or off by an electrical signal to form a blocking region, and the blocking region is configured to block the optically invalid surface.

公开(公告)号：US20240047363A1

公开(公告)日：2024-02-08

申请号：US17762239

申请日：2021-05-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yang Yue ,  Shi Shu ,  Qi Yao ,  Yong Yu ,  Shipei Li ,  Xiang Li ,  Chuanxiang Xu ,  Wenqu Liu ,  Renquan Gu ,  Haitao Huang

IPC: H01L23/538 ,  H01L25/075 ,  H01L21/48

CPC classification number: H01L23/5383 ,  H01L25/0753 ,  H01L21/4857

Abstract: A manufacturing method of a displaying base plate, a displaying base plate and a displaying apparatus. The displaying base plate includes an active area and a peripheral area located at a periphery of the active area. The displaying base plate includes: a substrate; a wiring functional layer disposed on one side of the substrate, wherein the wiring functional layer includes a metal wiring and bonding terminals connected to the metal wiring), the bonding terminals include a first bonding terminal, a second bonding terminal and a third bonding terminal, the first bonding terminal and the second bonding terminal are located at the active area, and the third bonding terminal is located at the peripheral area; a first passivation layer disposed on one side of the wiring functional layer that is away from the substrate; and a light shielding layer disposed on one side of the first passivation layer that is away from the substrate.

公开(公告)号：US11832495B2

公开(公告)日：2023-11-28

申请号：US17628516

申请日：2021-03-09

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yong Yu ,  Shi Shu ,  Qi Yao ,  Guangcai Yuan ,  Chuanxiang Xu ,  Yang Yue ,  Haitao Huang ,  Xiang Li

IPC: H10K59/38 ,  G02F1/1343 ,  G02F1/1335 ,  G02F1/13357 ,  H10K50/86 ,  H10K59/122 ,  H10K59/12 ,  G02F1/1362

CPC classification number: H10K59/38 ,  G02F1/133504 ,  G02F1/133512 ,  G02F1/133514 ,  G02F1/133603 ,  G02F1/133621 ,  G02F1/134345 ,  H10K50/865 ,  G02F1/1362 ,  G02F2201/52 ,  G02F2202/046 ,  G02F2202/36 ,  H10K59/1201 ,  H10K59/122

Abstract: Provided are a display apparatus and a manufacturing method therefor, the display apparatus comprising: a plurality of mutually independent subpixel regions; a light source (101), light emitted from the light source (101) illuminating the subpixel regions; and a light control layer (102), which is located on a light exiting side of the light source (101), the light control layer (102) comprising: color conversion structures (1021) located at the subpixel regions, the color conversion structures (1021) each comprising a nanoporous material and at least a color conversion material distributed among the nanoporous material, the color conversion material being used to convert light emitted from the light source (101) into light of a color corresponding to the subpixel region where the light is located.

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：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：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.