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21.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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22.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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公开(公告)号：US20190331958A1
公开(公告)日：2019-10-31
申请号：US16394258
申请日：2019-04-25
Inventor： Junjie MA , Zhen Wang , Jian Sang , Haiwei Sun , Mang Fu , Gongtao Zhang , Shubai Zhang , Jianbiao Ding , Zhonghua Li
IPC: G02F1/1335 , F21V8/00
Abstract: A light guide plate, a light source assembly, a display panel and a display device are provided. The light guide plate includes a light-emitting surface, a bottom surface opposite to the light-emitting surface and a light-entering surface intersecting with the light-emitting surface and the bottom surface; at least one of the light-emitting surface of the light guide plate and the bottom surface of the light guide plate includes a horizontal portion and an inclined portion protruding out of a plane where the horizontal portion is located along a direction away from both of the light-emitting surface and the bottom surface; the inclined portion is at an end, which is close to the light-entering surface, of the light guide plate, and the inclined portion has an included angle with respect to the horizontal portion.
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24.发明授权公开(公告)号：US10139557B2
公开(公告)日：2018-11-27
申请号：US15325379
申请日：2016-03-08
Inventor： Liang Gao , Gongtao Zhang , Haiwei Sun , Jian Sang , Xiujun Cai , Shuanhu Di , Junjie Ma
Abstract: The disclosure relates to a backlight module and a display device. The backlight module includes: a conductive adhesive tape configured for adhering the backlight module to a display panel to transfer electrostatic charges in the display panel to the backlight module; and a first wire configured to lead the electrostatic charges out from the backlight module, the electrostatic charges led out from the backlight module at least including the electrostatic charges transferred from the display panel to the backlight module, electrostatic charges generated in the backlight module, or a combination thereof. Electrostatic charges in the display panel are led into the backlight module through the conductive adhesive tape, and are led out via the first wire of the backlight module, so that no wire needs to be provided in the display panel for leading out the electrostatic charges, that is, it is not necessary to adjust wirings in the display panel.
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公开(公告)号：US20240184150A1
公开(公告)日：2024-06-06
申请号：US17781188
申请日：2021-04-21
Inventor： Heling Zhu , Yue Zhai , Jian Sang , Rui Han , Dong Cui , Zhipeng Zhang
IPC: F21V8/00
CPC classification number: G02B6/0036 , G02B6/0053 , G02B6/0068 , G02B6/0076 , G02B6/0055 , G02B6/0088
Abstract: A backlight module, including: a surface light source; a first light guide plate laminated with the surface light source in a thickness direction, wherein the first light guide plate is on a light-exiting side of the surface light source, and a side of the first light guide plate proximal to the surface light source comprises a plurality of first networks; and a first light source on a side surface of the first light guide plate, in which an orthographic projection of the first light source onto a plane, where a light-exiting surface of the surface light source is located, does not overlap with that of the first light guide plate onto the plane.
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Patent Agency Ranking
公开(公告)号：US20230350242A1
公开(公告)日：2023-11-02
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: G02F1/13 , G02F1/1343 , G02F1/1335 , G02F1/13357 , G02F1/1333
CPC classification number: G02F1/133308 , G02F1/1323 , G02F1/133512 , G02F1/133528 , G02F1/133606 , G02F1/133608 , G02F1/134309 , G02F1/1334
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：US11598498B2
公开(公告)日：2023-03-07
申请号：US16549196
申请日：2019-08-23
Inventor： Gongtao Zhang , Junjie Ma , Haiwei Sun , Jian Sang , Shipeng Wang
IPC: F21S4/28 , F21V19/00 , H01L33/50 , H01L25/075 , F21K9/90
Abstract: The present disclosure provides a light bar, a method for fabricating the same, and a display apparatus, in the field of display technologies. The method includes: fabricating a plurality of light emitting units; determining a target group of light emitting units in the plurality of light emitting units based on luminescent characteristics of the plurality of light emitting units, the target group of light emitting units including a portion of light emitting units in the plurality of light emitting units; and disposing at least two light emitting units in the target group of light emitting units on a printed circuit board to obtain the light bar.
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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.
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公开(公告)号：US11380129B2
公开(公告)日：2022-07-05
申请号：US16963984
申请日：2019-09-04
Inventor： Jingfu Tao , Pengfei Cheng , Lu Yu , Kangle Chang , Heling Zhu , Jian Sang , Chuandong Liao , Yinwei Chen , Jingang Liu
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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公开(公告)号：US11372284B2
公开(公告)日：2022-06-28
申请号：US16077089
申请日：2018-02-09
Inventor： Shubai Zhang , Guangquan Wang , Haiwei Sun , Jian Sang , Xuerong Wang , Zhiyang Cui , Junjie Ma , Zhonghua Li , Zhen Wang , Junjie Xie
IPC: G02F1/13357 , G02F1/1335
Abstract: A backlight module (0), a display module (1) and control method thereof, and a storage medium, in the field of display technology. The backlight module (0) includes m backlight components (01), wherein m is larger than or equal to 2 and is an integer, the m backlight components (01) are capable of emitting light alternately, and the light rays emitted by any two of the m backlight components (01) do not overlap. The present disclosure solves the problem that the backlight module (0) has lower working stability. The working stability of the backlight module (0) is favorably improved. The backlight module (0) is used for the display module (1).
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