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公开(公告)号：US12032238B2
公开(公告)日：2024-07-09
申请号：US17265691
申请日：2020-07-22
Inventor： Heling Zhu , Xin Li , Jian Sang , Shubai Zhang , Kangle Chang , Lu Yu
IPC: G02F1/1335 , G02F1/13
CPC classification number: G02F1/133524 , G02F1/1323 , G02F1/133607
Abstract: The present disclosure provides an optical adjusting film, a backlight module and a display device. The optical adjusting film according to the present disclosure includes a first substrate and a second substrate opposite to each other; a first electrode layer on a side of the first substrate facing the second substrate; a second electrode layer on a side of the second substrate facing the first substrate; a polymer dispersed liquid crystal layer between the first electrode layer and the second electrode layer; and an anti-adsorption surface layer on a side of the first substrate away from the second substrate, and/or a side of the second substrate away from the first substrate, and configured to suppress adsorption between the optical adjusting film and a solid surface.
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公开(公告)号：US11977287B2
公开(公告)日：2024-05-07
申请号：US17309489
申请日：2021-01-08
Inventor： Heling Zhu , Jie Liu , Xin Li , Bo Han , Hai Tang , Jianwei Qin , Jian Sang , Lu Yu , Haiwei Sun
IPC: G02F1/1333 , G02F1/13 , G02F1/1335 , G02F1/13357
CPC classification number: G02F1/133308 , G02F1/1323 , G02F1/133512 , G02F1/133528 , G02F1/133606
Abstract: A display device is provided, including: a back plate; a plastic frame connected to the back plate; a backlight module; a privacy film on a light emitting side of the backlight module; and a dimming sheet on a side of privacy film away from the back plate, wherein the dimming sheet is configured to be capable of adjusting a viewing angle of the display device. The plastic frame includes a first surface and a side end face, the first surface is a surface of the plastic frame close to the dimming sheet, the side end face is a side face of the plastic frame close to the dimming sheet, the plastic frame further includes a chamfered portion at a transition position between the side end face and the first surface, and the chamfered portion has a rough surface that is configured for diffracting the light incident on the chamfered portion.
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公开(公告)号：US11663800B2
公开(公告)日：2023-05-30
申请号：US17748752
申请日：2022-05-19
Inventor： Jingfu Tao , Pengfei Cheng , Lu Yu , Kangle Chang , Heling Zhu , Jian Sang , Chuandong Liao , Yinwei Chen , Jingang Liu
CPC classification number: G06V40/1376 , G06V40/1318
Abstract: A texture recognition device and a display device are provided. The texture recognition device includes a backlight element, configured to provide first backlight; a light constraint element, configured to perform a light divergence angle constraint process on the first backlight to obtain second backlight with a divergence angle within a preset angle range, the second backlight being transmitted to a detection object; and a photosensitive element, configured to detect the second backlight reflected by a texture of the detection object to recognize a texture image of the texture of the detection object.
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14.发明申请公开(公告)号：US20210286965A1
公开(公告)日：2021-09-16
申请号：US16914656
申请日：2020-06-29
Inventor： Jingfu Tao , Pengfei Cheng , Lu Yu , Jian Sang , Kangle Chang
Abstract: The present disclosure discloses a fingerprint identification method and apparatus, an electronic device, and a computer-readable storage medium. The fingerprint identification method includes: acquiring a touch position of an object on a display panel comprising a backlight module having a plurality of light emitting elements arranged into an array, in response to the object on the display panel; lighting at least one of the plurality of light emitting elements according to the touch position; collecting fingerprint information from the display panel, wherein the fingerprint information is obtained based on light which is emitted by the at least one lit light emitting element and is reflected by the object; and performing fingerprint identification according to the fingerprint information.
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公开(公告)号：US10989953B2
公开(公告)日：2021-04-27
申请号：US15776392
申请日：2017-09-21
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yafeng Yang , Wei Wang , Xiaochuan Chen , Xue Dong , Jifeng Tan , Jian Gao , Xiandong Meng , Xianqin Meng , Wenqing Zhao , Feng Guan , Lu Yu , Congcong Wei
IPC: G02F1/1335 , G02B5/18 , G02B27/10 , G02B27/28 , G02B27/42
Abstract: Embodiments of the present disclosure provide a display panel, a method for manufacturing the same, and a display device, relating to the field of display technology. The display panel includes a first substrate, a second substrate, a liquid crystal layer disposed between the first substrate and the second substrate, and a light splitting structure disposed on a side of the first substrate facing away from the liquid crystal layer. The light splitting structure is configured to perform spectroscopic processing on light incident on the light splitting structure to obtain light of at least one color, and project the light of the at least one color onto a pixel of a corresponding color in the display panel.
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Patent Agency Ranking
公开(公告)号：US10969624B2
公开(公告)日：2021-04-06
申请号：US16084902
申请日：2018-02-11
Inventor： Xuerong Wang , Lu Yu , Junjie Ma , Lei Chen , Fei Gao
IPC: G02F1/13357 , F21V8/00 , G02F1/1334 , G02F1/1337
Abstract: A backlight module and a display device are disclosed. The backlight module includes a light source component, and an illumination rendering film located on a light exiting side of the light source component. The illumination rendering film includes a plurality of dimming units arranged in an array; each of the dimming units is configured to receive a dimming signal and change a transmittance of the each of the dimming units according to the dimming signal.
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公开(公告)号：US10884180B2
公开(公告)日：2021-01-05
申请号：US16103984
申请日：2018-08-16
Inventor： Heling Zhu , Junjie Ma , Yuanda Lu , Bo Han , Liang Gao , Lu Yu , Pengfei Cheng
IPC: F21V8/00
Abstract: A light guide assembly comprises: a first light guide member; and a second light guide member stacked on the first light guide member. The light guide assembly has first and second light incident surfaces located on different sides, and a light emitting surface and a bottom surface which are oppositely disposed in a thickness direction, the first light incident surface and the bottom surface are located on the first light guide member, and the second light incident surface and the light emitting surface are located on the second light guide member, and the bottom surface is provided with first dots having a density increasing in a direction away from the first light incident surface, and the light emitting surface is provided with second dots having a density increasing in a direction away from the second light incident surface.
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公开(公告)号：US10788618B2
公开(公告)日：2020-09-29
申请号：US15768208
申请日：2017-09-21
Inventor： Xuerong Wang , Caizheng Zhang , Junjie Ma , Jianan Wang , Qingping Yin , Lu Yu
IPC: F21V8/00 , G02F1/13357
Abstract: The present disclosure relates to a backlight module as well as a display panel and an electronic device comprising the same. The backlight module includes: a light guide plate; a first low refractive plating layer; a diffusion plating layer; a high refractive plating layer; a second low refractive plating layer; a Bragg reflective plating layer; and a light source. Further, in the backlight module, refractive indexes of the first low refractive plating layer and the second low refractive plating layer are lower than that of the light guide plate, and a refractive index of the high refractive plating layer is higher than that of the light guide plate.
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公开(公告)号：US10663796B2
公开(公告)日：2020-05-26
申请号：US16099545
申请日：2018-02-12
Inventor： Pengfei Cheng , Lei Chen , Xuqing Feng , Fei Gao , Xin Ma , Xuerong Wang , Lu Yu , Chuan Sun
IPC: G02F1/1335 , F21V8/00 , G02B26/08 , G09G3/34 , G02F1/13357
Abstract: A backlight module, a controlling method thereof, and a display device are disclosed. The backlight module includes a light guide plate and at least one digital micro-mirror device located on a side of the light guide plate away from a light exiting surface. The at least one digital micro-mirror device includes a plurality of micro-mirrors, and a reflective surface of each of the plurality of micro-mirrors faces the light guide plate. A local brightness of the backlight module is adjusted by controlling the micro-mirrors in the digital micro-mirror device.
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20.发明申请公开(公告)号：US20200150331A1
公开(公告)日：2020-05-14
申请号：US16407459
申请日：2019-05-09
Inventor： Hai Tang , Liang Gao , Lu Gao , Yezhou Tan , Jian Sang , Lu Yu , Heling Zhu , Dongmei Xie
Abstract: A light guide plate, a method of fabricating a light guide plate, a backlight module and a display device are disclosed. The light guide plate includes a light guide layer and a grating layer. The light guide layer includes a light incident surface, a light exit surface, and a bottom surface opposite to the light exit surface. The grating layer is disposed on a side of the light guide layer with the light exit surface being on the side and including a plurality of grating strips. The bottom surface is provided with a plurality of optical dots. The plurality of optical dots are configured to deflect light rays from the light incident surface toward the grating strips. The plurality of grating strips are configured to deflect light rays emitted from the light exit surface toward a normal line of the light exit surface.
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