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公开(公告)号：US11199655B2
公开(公告)日：2021-12-14
申请号：US16757843
申请日：2018-09-28
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Jifeng Tan , Wei Wang , Xiandong Meng , Xianqin Meng
Abstract: A light source module and an electronic device. The light source module includes an optical waveguide structure, a first light source, and a pre-collimating optical element. The optical waveguide structure includes a light introduction part and a main body part, the light introduction part includes a light incident surface, and the main body part includes a light emitting surface. The first light source is configured to provide first light; and the pre-collimating optical element is configured to collimate at least a portion of the first light to be first collimated light. The light introduction part is configured to introduce at least a portion of the first collimated light, which is incident from the light incident surface, into the main body.
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公开(公告)号：US11187844B2
公开(公告)日：2021-11-30
申请号：US16644708
申请日：2019-09-16
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Jifeng Tan , Wei Wang , Xiandong Meng , Xianqin Meng , Jian Gao , Wenqing Zhao
IPC: G02F1/13357 , F21V8/00 , G02F1/1335 , G02F1/1337 , G02F1/1343
Abstract: Display device, control method are provided, which includes: light guide plate including light incident side, bottom surface, opposite light exiting surface; light extracting structure, on light exiting or bottom surface, configured to make light propagated in total reflection in light guide plate exit from light exiting surface at predetermined angle; first low refractive index layer, covering light exiting surface, refractive index of which being smaller than that of light guide plate; liquid crystal light adjusting layer, including liquid crystal layer and driving electrodes for driving liquid crystal molecules, on side of first low refractive index layer away from light exiting surface; second low refractive index layer, on side of liquid crystal light adjusting layer away from first low refractive index layer, refractive index of which and refractive index of first low refractive index layer being smaller than initial refractive index of liquid crystal light adjusting layer.
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公开(公告)号：US11169316B2
公开(公告)日：2021-11-09
申请号：US16641776
申请日：2019-03-21
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiandong Meng , Wei Wang , Xianqin Meng , Jifeng Tan , Qiuyu Ling , Fangzhou Wang , Xiaochuan Chen
IPC: G02F1/1335 , F21V8/00 , G02F1/13357
Abstract: The present disclosure relates to a display panel. The display panel includes: a light guide member, a light extraction member and a modulation member sequentially arranged along a first direction; and wherein the light extraction member is configured to extract light propagating within the light guide member in a collimated manner to one side of the light extraction member away from the light guide member, and the modulation member is configured to modulate a reflectance and transmittance of the light extracted in a collimated manner by the light extraction member within the modulation member.
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公开(公告)号：US11131798B2
公开(公告)日：2021-09-28
申请号：US16497524
申请日：2019-03-26
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiandong Meng , Wei Wang , Jifeng Tan , Xiaochuan Chen , Jian Gao , Xianqin Meng
IPC: G02F1/1335 , F21V8/00 , G02F1/13357
Abstract: The present disclosure provides a backlight module and a display device. The backlight module includes a tight source layer, a light guiding layer and a dotted layer, a plurality of light emitting units is arranged on the light source layer; a plurality of reflective prism units is arranged on one side of the light guiding layer away from the light source layer, and positions of the plurality of reflective prism units are corresponding to the plurality of light emitting units respectively; the reflective prism unit is configured to reflect a light emitted by the light emitting unit into the light guiding layer and cause total reflection of the reflected light within the light guiding layer; and an optical structure for extracting light from the light guiding layer is provided with the dotted layer.
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公开(公告)号：US11099425B2
公开(公告)日：2021-08-24
申请号：US16643328
申请日：2019-08-16
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiandong Meng , Wei Wang , Jifeng Tan , Xianqin Meng , Xiaochuan Chen , Jian Gao , Fangzhou Wang , Qiuyu Ling
IPC: G02F1/1335 , G02F1/13357 , G02F1/1343 , G02F1/1362
Abstract: The present disclosure provides a collimation backlight source, a display device and a driving method thereof. The collimation backlight source includes a light guide plate, a plurality of light sources of different colors, and a light-extraction grating assembly in each light-extraction region on the surface of the light guide plate.
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Patent Agency Ranking
公开(公告)号：US11085821B2
公开(公告)日：2021-08-10
申请号：US16643015
申请日：2019-08-14
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xianqin Meng , Wei Wang , Jifeng Tan , Xiaochuan Chen , Xiandong Meng , Jian Gao , Fangzhou Wang
Abstract: A spectrometer and a spectral detection and analysis method implemented by the spectrometer. The spectrometer includes an optical device and a detection device. The optical device includes at least one light filter, each of which including at least two light filtering units, so that the optical device can emit at least two kinds of monochromatic light. The detection device includes at least one detector, each of which comprising at least two detection units facing at least two light filtering units in the corresponding light filter in a one-to-one relationship. The monochromatic light emitted from the light filtering unit is emitted along the direction perpendicular to the direction of the light emitting surface.
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公开(公告)号：US20210191023A1
公开(公告)日：2021-06-24
申请号：US16757843
申请日：2018-09-28
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Jifeng TAN , Wei Wang , Xiandong MENG , Xianqin MENG
Abstract: A light source module and an electronic device. The light source module includes an optical waveguide structure, a first light source, and a pre-collimating optical element. The optical waveguide structure includes a light introduction part and a main body part, the light introduction part includes a light incident surface, and the main body part includes a light emitting surface. The first light source is configured to provide first light; and the pre-collimating optical element is configured to collimate at least a portion of the first light to be first collimated light. The light introduction part is configured to introduce at least a portion of the first collimated light, which is incident from the light incident surface, into the main body part at a first angle with respect to the light emitting surface to satisfy a total reflection condition of the main body part.
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公开(公告)号：US11018328B2
公开(公告)日：2021-05-25
申请号：US16512695
申请日：2019-07-16
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Penghao Gu , Chunyan Xie , Wei Wang , Paoming Tsai
Abstract: A method and an apparatus for manufacturing a display substrate are provided. The method includes: a back film material forming step of forming a back film material having first adhesion on a substrate, the substrate includes a substrate region and a peripheral region surrounding the substrate region, and the substrate region includes a display region, a bending region, and a bonding region sequentially arranged in a first direction; a back film cutting step of cutting the back film material along outlines of the display region and the bonding region; a back film removing step of removing the back film material in the peripheral region and the bending region; and a back film adhesion enhancing step of enhancing adhesion of the back film material in the display region and the bonding region from the first adhesion to second adhesion, so as to form a back film on the substrate.
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公开(公告)号：US11002428B2
公开(公告)日：2021-05-11
申请号：US16624287
申请日：2019-05-14
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Zhongxiao Li , Wei Wang , Pengxia Liang , Wenqing Zhao , Xiaochuan Chen
IPC: F21V14/00 , G02F1/1335 , G02F1/1343
Abstract: A light regulation device includes: a first substrate on which a first electrode layer is provided; a second substrate on which a second electrode layer is provided; and liquid crystals interposed between the first substrate and the second substrate. The first electrode layer includes a plurality of electrode units. Each of the electrode units includes a plurality of electrode strips. Each of the electrode strips is configured to be loaded a different driving voltage signal. The second electrode layer is configured to be loaded a common voltage signal. An exiting direction of light passing through liquid crystals at a position corresponding to each of the electrode units is deflected in the same direction.
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公开(公告)号：US10976595B2
公开(公告)日：2021-04-13
申请号：US16640952
申请日：2019-09-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiandong Meng , Jifeng Tan , Wei Wang , Xianqin Meng , Fangzhou Wang , Qiuyu Ling , Xiaochuan Chen
IPC: G02F1/1335 , F21V8/00
Abstract: The present disclosure provides an optical substrate and a display device. The optical substrate includes: a light guide plate which includes a light entering surface and a light extraction surface adjacent to the light entering surface, and is configured to enable light entering the light guide plate through the light entering surface to be totally reflected toward an opposite surface of the light guide plate opposite to the light entering surface; and a plurality of light extraction structures which is arranged on the light extraction surface of the light guide plate for extracting the totally-reflected light in the light guide plate, and has areas of orthogonal projections of the plurality of light extraction structures on the light extraction surface of the light guide plate gradually increasing along a direction from the light entering surface to the opposite surface.
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