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    Prism film, backlight module and display device
    2.
    发明授权
    Prism film, backlight module and display device 有权

    公开(公告)号：US11327207B2

    公开(公告)日：2022-05-10

    申请号：US17161029

    申请日：2021-01-28

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

    IPC: G02F1/13357 ,  G02B5/04 ,  F21V8/00 ,  G02B26/08 ,  G02F1/1335

    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.

    Light Source, Backlight Module And Display Apparatus
    3.
    发明申请
    Light Source, Backlight Module And Display Apparatus 有权
    光源，背光模块和显示设备

    公开(公告)号：US20170017029A1

    公开(公告)日：2017-01-19

    申请号：US15124094

    申请日：2015-05-07

    Applicant: BOE Technology Group Co., Ltd.

    Inventor： Zezhou Yang ,  Qing Liu

    IPC: F21V8/00

    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 power layer are movable with respect to each other, so as to adjust color temperature of backlight conveniently.

    Abstract translation: 本公开提供一种光源，背光模块和显示装置。 光源包括：发光二极管芯片; 以及荧光粉层，其布置成朝向所述发光二极管芯片并且被配置为接收从所述发光二极管芯片发射的第一光并发射具有与所述第一光不同的波长的第二光，其中所述发光二极管 芯片和荧光粉层相对于彼此可移动，使得由从发光二极管芯片发出的光激发的荧光粉末层中的荧光粉末的量增加或减少。 在上述解决方案中，发光二极管芯片和荧光功率层可以相对于彼此移动，以便方便地调节背光的色温。

    Curved-surface backlight source and display device
    4.
    发明授权
    Curved-surface backlight source and display device 有权

    公开(公告)号：US10197834B2

    公开(公告)日：2019-02-05

    申请号：US15539208

    申请日：2016-05-23

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Qing Liu ,  Zhongbao Wu ,  Zezhou Yang

    IPC: G02F1/1333 ,  G02B6/00 ,  G02F1/1335

    Abstract: The present disclosure provides a curved-surface backlight source and a display device comprising the curved-surface backlight source. The curved-surface backlight source comprises: a frame, an optical film and a plurality of light source assemblies; the light source assemblies are disposed on the frame, the optical film is disposed on light emergent sides of the light source assemblies, and the light source assemblies and the optical film are in a curved shape.

    OPTICAL TOUCH DEVICE AND TOUCH DISPLAY DEVICE HAVING THE SAME
    6.
    发明申请
    OPTICAL TOUCH DEVICE AND TOUCH DISPLAY DEVICE HAVING THE SAME 审中-公开

    公开(公告)号：US20170139498A1

    公开(公告)日：2017-05-18

    申请号：US15107088

    申请日：2015-12-28

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Xiangxiang Zou ,  Zezhou Yang ,  Chunfang Zhang ,  Zhongbao Wu

    IPC: G06F3/042

    CPC classification number: G06F3/042 ,  G06F3/0421 ,  G06F2203/04109

    Abstract: The present application discloses an optical touch device comprising a light transmission layer comprising a first total internal reflection (TIR) surface and a second TIR surface facing the first TIR surface, a first side surface for connecting the first TIR surface and the second TIR surface on a first side, and a second side surface for connecting the first TIR surface and the second TIR surface on a second side opposite to the first side; a light source on a side of the first TIR surface distal to the second TIR surface for emitting a light beam, the light source is proximal to the first side; and a detector on the side of the first TIR surface distal to the second TIR surface, for detecting the light beam passed through the light transmission layer and transmitted into the detector, the detector is proximal to the second side. A first side angle between the first side surface and the first TIR surface is an acute angle. A second side angle between the second side surface and the first TIR surface is an acute angle.

    Backlight module, liquid crystal display device and display
    7.
    发明授权
    Backlight module, liquid crystal display device and display 有权

    公开(公告)号：US10132987B2

    公开(公告)日：2018-11-20

    申请号：US15207819

    申请日：2016-07-12

    Applicant: BOE TECHNOLOGY GROUP CO., LTD.

    Inventor： Zezhou Yang

    IPC: F21V8/00 ,  G02F1/1335

    Abstract: The embodiments of the present invention provide a backlight module, a liquid crystal display device and a display; laser is used as the light source of the backlight module, improving the utilization of light and realizing high color gamut display. The backlight module comprises a laser light source and several light guide devices provided on a light output side of the laser light source; the several light guide devices are arranged in a first direction; each light guide device comprises several light guide elements and transflective films arranged alternately in a second direction; the transflective films are configured to reflect laser from the laser light source into a third direction; the third direction is perpendicular to the first direction and the second direction.

    Light guide plate, backlight module and display device both with the light guide plate
    8.
    发明授权
    Light guide plate, backlight module and display device both with the light guide plate 有权
    导光板，背光模块和显示装置均配有导光板

    公开(公告)号：US09207379B2

    公开(公告)日：2015-12-08

    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侧开放的锐角。

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