公开(公告)号：US10690834B2

公开(公告)日：2020-06-23

申请号：US16144188

申请日：2018-09-27

Applicant: Beijing BOE Display Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Huijuan Wang ,  Yunyun Tian ,  Zezhou Yang ,  Yonglian Qi ,  Dejiang Zhao ,  Minqi Chen ,  Tao Liu ,  Shi Shu

IPC: G02B6/00 ,  F21V8/00

Abstract: The present disclosure relates to the field of display technologies, and especially discloses a backlight device and a method for manufacturing the same. The backlight device includes a backlight source, a light guide plate, a reflective layer, an optical adhesive layer and an outcoupling structure. Specifically, in the backlight device, the reflective layer and the light guide plate are located on opposite sides of the backlight source respectively.

公开(公告)号：US09995867B2

公开(公告)日：2018-06-12

申请号：US15124094

申请日：2015-05-07

Applicant: BOE Technology Group Co., Ltd.

Inventor： Zezhou Yang ,  Qing Liu

IPC: F21V9/16 ,  F21V8/00 ,  G02F1/1335

CPC classification number: G02B6/0026 ,  G02B6/0021 ,  G02B6/0023 ,  G02F1/1335

Abstract: The present disclosure provides a light source, a backlight module and a display apparatus. The light source includes: a light emitting diode chip; and a fluorescent powder layer arranged to face towards the light emitting diode chip and configured to receive a first light emitted from the light emitting diode chip and to emit a second light with a wavelength different from that of the first light, wherein the light emitting diode chip and the fluorescent powder layer are moveable with respect to each other such that quantity of fluorescent powder in the fluorescent powder layer excited by the light emitted from the light emitting diode chip increases or decreases. In the above solution, the light emitting diode chip and the fluorescent powder layer are movable with respect to each other, so as to adjust color temperature of backlight conveniently.

公开(公告)号：US20170023724A1

公开(公告)日：2017-01-26

申请号：US15124379

申请日：2015-06-09

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guangkui Qin ,  Xinxing Wang ,  Ming Zhu ,  Zezhou Yang ,  Jifeng Tan

IPC: F21V8/00

CPC classification number: G02B6/0053 ,  G02B6/0051 ,  G02B6/0056 ,  G02B6/0088 ,  G02F2001/133616

Abstract: The present disclosure provides an optical module and a reflective display apparatus that relate to the technical field of display and may improve the display effects in a dark environment to enhance the contrast of the display apparatus. The optical module includes a light guide plate, a light emitting unit arranged at a lateral side of the light guide plate, and an optical film and a scattering film stacked in sequence on the light guide plate, wherein the optical film is configured to reduce an incident angle of incident light and the scattering film is configured to scatter the incident light, the optical film being arranged between the light guide plate and the scattering film.

Abstract translation: 本公开提供了一种与显示技术领域相关的光学模块和反射显示装置，并且可以改善在黑暗环境中的显示效果，以增强显示装置的对比度。 光学模块包括导光板，布置在导光板的侧面的发光单元，以及依次层叠在导光板上的光学膜和散射膜，其中，所述光学膜被构造为 入射光和散射膜的入射角被配置为散射入射光，光学膜被布置在导光板和散射膜之间。

公开(公告)号：US11982904B2

公开(公告)日：2024-05-14

申请号：US17254829

申请日：2020-06-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Liangliang Jin ,  Ruoyu Ma ,  Zezhou Yang ,  Haiwei Sun ,  Zhongbao Wu ,  Chuandong Liao

IPC: G02F1/1335 ,  G02B5/04 ,  G02F1/13363

CPC classification number: G02F1/133607 ,  G02B5/045 ,  G02F1/133634

Abstract: A light conversion structure, backlight device and virtual reality display device are provided. The light conversion structure includes: a transparent substrate including first and second surfaces arranged oppositely; multiple first prism structures arranged in an array on the first surface, each first prism structure includes first and second light-entering surfaces arranged adjacently or oppositely, the first and second light-entering surfaces are for receiving the first and second incident light respectively; multiple second prism structures arranged in an array on the second surface, each second prism structure includes the first and second light-exiting surfaces arranged adjacently or oppositely; the first and second incident light enter the first prism structure from the first and second light-entering surfaces respectively, and exit from the first and second light-exiting surfaces respectively at the first and second predetermined angles respectively; a difference between the first and second predetermined angles is less than a predetermined value.

公开(公告)号：US11536435B2

公开(公告)日：2022-12-27

申请号：US17332749

申请日：2021-05-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Liangliang Jin ,  Zezhou Yang ,  Shubai Zhang ,  Ruoyu Ma ,  Jian Sang

IPC: F21V3/04 ,  G02B5/02 ,  G02F1/1335 ,  G02F1/13357

Abstract: The present disclosure provides a light homogenizing film, a backlight module and a display device. The light homogenizing film includes a substrate film layer on which a plurality of light homogenizing structures are arranged in an array. The light homogenizing structure includes: a first recess in a regular pyramid shape positioned on a light incident surface of the substrate film layer, and a second recess in a regular pyramid shape positioned on a light emitting surface of the substrate film layer. On a plane where a main body of the substrate film layer is located, an orthographic projection of the second recess completely covers an orthographic projection of the first recess, and the orthographic projections of the first and second recesses are regular polygons which have overlapped centers, the same number of sides and the same orientation.

公开(公告)号：US10921497B2

公开(公告)日：2021-02-16

申请号：US16199733

申请日：2018-11-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Liangliang Jin ,  Zezhou Yang ,  Ruoyu Ma ,  Qing Liu

IPC: G02B5/04 ,  F21V8/00 ,  G02B26/08 ,  G02F1/13357

Abstract: Embodiments of the present disclosure relate to a prism film, a backlight module, and a display device. The prism film includes a substrate and a plurality of prisms on a surface of the substrate, each of the plurality of prisms having a triangular cross section, and having a first optical surface, a second optical surface, and a third optical surface that are perpendicular to the triangular cross section, wherein the first optical surface is parallel to the surface of the substrate, the first optical surface and the second optical surface form a first bottom angle, the first optical surface and the third optical surface form a second bottom angle, and at least one of the first bottom angle and the second bottom angle of the plurality of prisms gradually changes.

公开(公告)号：US20210011339A1

公开(公告)日：2021-01-14

申请号：US16320441

申请日：2018-05-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zezhou Yang ,  Ming Zhu

IPC: G02F1/1335 ,  G02B5/04 ,  G02F1/13357

Abstract: The present disclosure provides an optical element used in a reflection-type liquid crystal display system. The optical element includes a substrate, and a plurality of prisms formed on a surface of the substrate and sequentially arranged along a first direction. Each of the plurality of prisms includes a plurality of sub-prisms sequentially arranged along the first direction with refractive indexes sequentially decreased.

公开(公告)号：US10571737B2

公开(公告)日：2020-02-25

申请号：US15572327

申请日：2017-05-02

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yunyun Tian ,  Jing Lv ,  Yunsik Im ,  Hyunsic Choi ,  Zezhou Yang

IPC: G02F1/1335 ,  H01L51/50

Abstract: The present disclosure discloses a quantum dot display substrate and a manufacturing method thereof, and a quantum dot display device. The quantum dot display substrate comprises black matrix patterns, quantum dot patterns surrounded by the quantum dot patterns, a first base substrate, and a first optical layer and a second optical layer both arranged on a side of the first base substrate, and the first optical layer is arranged on a side of the second optical layer away from the first base substrate; the first optical layer is configured to collimate incident light to generate collimated light and transmit the collimated light to the second optical layer; the second optical layer is configured to adjust an outgoing direction of the collimated light to generate outgoing light, and make the outgoing light irradiate onto the black matrix patterns.

公开(公告)号：US20170123595A1

公开(公告)日：2017-05-04

申请号：US15030577

申请日：2015-12-10

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiangxiang Zou ,  Zezhou Yang

IPC: G06F3/042

Abstract: The present application provides an optical touch device comprising a light transmission layer having a first total internal reflection (TIR) surface and the second TIR surface, a light source beside the second TIR surface, a detector for detecting the light beam passed through the light transmission layer and transmitted into the detector, and a first reflector disposed between the light source and the light transmission layer, capable of reflecting the light beam emitted from the light source into the light transmission layer.

公开(公告)号：US20140160795A1

公开(公告)日：2014-06-12

申请号：US14103784

申请日：2013-12-11

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wenjie JIANG ,  Xingxing Zhao ,  Kailiang Zhang ,  Zezhou Yang

IPC: F21V8/00

CPC classification number: G02B6/002 ,  G02B6/0068

Abstract: A light guide plate, a backlight module and a display device both comprising the light guide plate are disclosed. The light guide plate comprises a light emitting surface and multiple side surfaces perpendicular to and connected to the light emitting surface, the side surfaces including at least one first side surface and at least one second side surface. The light guide plate further comprises at least one set of folded surfaces perpendicular to and connected to the light emitting surface. Each set of folded surfaces is connected between a pair of first side surface and second side surface which are adjacent with each other. Each set of folded surfaces includes multiple light incident surfaces which are connected one by one. In the light incident surfaces in same set of folded surfaces, any two adjacent light incident surfaces form an acute angle opened toward inside of the light guide plate.

Abstract translation: 公开了一种导光板，背光模块和包括导光板的显示装置。 导光板包括发光表面和垂直于发光表面并连接到发光表面的多个侧表面，所述侧表面包括至少一个第一侧表面和至少一个第二侧表面。 导光板还包括垂直于并连接到发光表面的至少一组折叠表面。 每组折叠表面连接在彼此相邻的一对第一侧表面和第二侧表面之间。 每组折叠表面包括一个一个连接的多个光入射表面。 在同一组折叠表面的光入射表面中，任何两个相邻的光入射表面形成朝向导光板内部开放的锐角。