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公开(公告)号：US20250015056A1
公开(公告)日：2025-01-09
申请号：US18275575
申请日：2022-05-26
Inventor： Ying Chen , Yutao Hao , Donglei Li , Lili Jia , Jingran Niu , Pei Qin , Honghao Yu , Jiaxin Li , Jie Gao , Xueqiao Li , Shanwei Yang
IPC: H01L25/075 , H01L33/60 , H01L33/62
Abstract: A light-emitting substrate and a display device are provided. The light-emitting substrate includes a base substrate, a reflective layer, at least one pad, a light-emitting element and a connecting portion. The reflective layer includes an opening with a maximum size H1 in a first direction; the light-emitting element includes a first electrode and a second electrode arranged at intervals in a second direction, and a maximum size of the first electrode or the second electrode in the first direction is a first size K1; the connecting portion includes an edge radian region with a maximum size M in the first direction; the at least one pad includes a first pad, the first pad includes a first size portion, a minimum distance between the first size portion and the opening in the first direction is a second size K2 which satisfies: K2≤0.5H1−0.5(K1+2M), and 50 μm≤H1−2K2−K1≤100 μm.
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公开(公告)号：US20250095543A1
公开(公告)日：2025-03-20
申请号：US18293352
申请日：2022-12-23
Inventor： Bao Fu , Zhitao Zhang , Qibing Gu , Changhao Wang , Xiuling Li , Lingyun Shi , Xue Dong , Hao Zhou , Lili Jia
IPC: G09G3/32
Abstract: A light emitting module includes: a light emitting element array provided on a first substrate, including a plurality of light emitting elements arranged in an array in a row direction and a column direction, each of which includes a first electrode and a second electrode, wherein a driving current of the light emitting element is greater than or equal to 1 mA; and a plurality of row driving chips and a plurality of column driving chips provided on the first substrate. At least one row driving chip and at least one column driving chip are spaced apart in the row direction and the column direction. At least one row driving chip and at least one column driving chip are respectively electrically connected to the first electrodes of at least one row of light emitting elements and the second electrodes of at least one column of light emitting elements.
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公开(公告)号：US11112650B2
公开(公告)日：2021-09-07
申请号：US16961100
申请日：2019-11-25
Inventor： Hongli Zhu , Lili Jia , Bochang Wang , Haiwei Sun
IPC: G02F1/13357 , G02F1/1335
Abstract: Disclosed are a backlight module and a display device. The backlight module includes a substrate; a first circuit board and a second circuit board thereon, a gap portion is between the two circuit boards; a blocking member for blocking the gap portion; and an optical sheet on a side of the blocking member facing away from the substrate, wherein the blocking member includes a blocking portion, a space is provided between the blocking portion and the optical sheet, an orthographic projection of the blocking portion on the substrate covers that of the gap portion, and wherein the blocking portion includes a first inclined surface inclined with respect to the first circuit board and a second inclined surface inclined with respect to the second circuit board, and the two inclined surface converge in a direction toward a light exit side to reflect light incident thereon toward the light exit side.
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公开(公告)号：US20180052312A1
公开(公告)日：2018-02-22
申请号：US15658381
申请日：2017-07-24
Inventor： Lili Jia , Hao Zhou , Weihao Hu , Liang Zhang , Yu Zhang
IPC: G02B17/08 , G02B5/04 , G02B5/02 , G02F1/1333
CPC classification number: G02B17/086 , G02B5/0226 , G02B5/0231 , G02B5/04 , G02F1/13336 , G02F1/133524
Abstract: A tiled display panel and a tiled display device are disclosed. The tiled display panel includes: at least first and second adjacent display areas; a splice area disposed between the first and second adjacent display areas; a first optical element and a second optical element respectively disposed on the first and second display areas and located on two sides of the splice area; and a reflective element disposed on the splice area. Each of the first optical element and the second optical element is configured to direct at least a portion of light emitted from its respective display area to the reflective element, such that the at least a portion of light is reflected by the reflective element and then emitted out from the splice area.
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公开(公告)号：US20150331171A1
公开(公告)日：2015-11-19
申请号：US14500552
申请日：2014-09-29
Inventor： Lili Jia , Wenjia Sun , Xiuyun Chen , Qing Ma , Daekeun Yoon
IPC: F21V8/00
CPC classification number: G02B6/00 , G02B6/0031 , G02B6/0068 , G02B6/0085 , G02B6/009 , G02F1/133621
Abstract: The general inventive concepts provide a side-light type backlight unit. The side-light type backlight unit comprises a light guide plate and a light source located at the side of the light incident surface of the light guide plate. The light source comprises a circuit board which comprises a first region opposite to the light incident surface of the light guide plate and a second region adjacent to the first region. The first region and the second region are provided with LED lamps. By arranging LED lamps in both the first region and the second region of the circuit board of the side-light type backlight unit, the incident light of the side-light type backlight unit is increased, thereby improving the luminance of the side-light type backlight unit in 3D state. The disclosure further provides a display device comprising such a side-light type backlight unit.
Abstract translation: 总体发明构思提供了侧光型背光单元。 侧光型背光单元包括导光板和位于导光板的光入射面侧的光源。 光源包括电路板，其包括与导光板的光入射表面相对的第一区域和与第一区域相邻的第二区域。 第一区域和第二区域设置有LED灯。 通过在侧光式背光单元的电路板的第一区域和第二区域中配置LED灯，侧光型背光单元的入射光增加，从而提高侧光型的亮度 背光单元处于3D状态。 本公开还提供了一种包括这种侧光型背光单元的显示装置。
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Patent Agency Ranking
公开(公告)号：US11570867B2
公开(公告)日：2023-01-31
申请号：US17364679
申请日：2021-06-30
Inventor： Wei Hao , Lingyun Shi , Wenchieh Huang , Feifei Wang , Wengang Su , Rui Shi , Xingce Shang , Junwei Zhang , Kaimin Yin , Qibing Gu , Lili Jia , Xiurong Wang
Abstract: A method of controlling a driving circuit applicable to a light-emitting substrate which includes a light-emitting assembly including a plurality of light-emitting-element strings connected in parallel, each of the plurality of light-emitting strings comprising a plurality of light-emitting-elements connected in series, the driving circuit connected to the plurality of light-emitting-element strings via a wiring, wherein the method comprises: obtaining a wiring IR drop, a light-emitting element string IR drop, a voltage deviation, and a channel IR drop; obtaining a target power supply voltage according to the wiring IR drop, the light-emitting element string IR drop, the voltage deviation, and the channel IR drop; comparing the target power supply voltage with an output voltage to obtain a comparison result; generating an adjustment signal according to the comparison result; and adjusting the output voltage according to the adjustment signal. A driving circuit and a light-emitting substrate are further provided.
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公开(公告)号：US10208918B2
公开(公告)日：2019-02-19
申请号：US14437179
申请日：2014-08-27
Inventor： Lili Jia , Xiuyun Chen , Qing Ma , Daekeun Yoon
Abstract: The present disclosure provides a backlight module and a display device. The backlight module includes a plurality of first light sources and a diffusion plate. In a 3D display mode, the first light sources belong to different scanning areas, each of which corresponds to a display area. The backlight module further includes a barrier structure provided corresponding to the respective scanning areas and configured to prevent light emitted by first light sources in the scanning areas other than a current scanning area from entering into a display area corresponding to the current scanning area. In the backlight module of the present disclosure, the barrier structure is provided corresponding to each scanning area, which can prevent light emitted by first light sources in other scanning areas from entering into the display area corresponding to the current scanning area.
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公开(公告)号：US09535203B2
公开(公告)日：2017-01-03
申请号：US14500552
申请日：2014-09-29
Inventor： Lili Jia , Wenjia Sun , Xiuyun Chen , Qing Ma , Daekeun Yoon
IPC: F21V8/00 , G02B6/00 , G02F1/1335
CPC classification number: G02B6/00 , G02B6/0031 , G02B6/0068 , G02B6/0085 , G02B6/009 , G02F1/133621
Abstract: The general inventive concepts provide a side-light type backlight unit. The side-light type backlight unit comprises a light guide plate and a light source located at the side of the light incident surface of the light guide plate. The light source comprises a circuit board which comprises a first region opposite to the light incident surface of the light guide plate and a second region adjacent to the first region. The first region and the second region are provided with LED lamps. By arranging LED lamps in both the first region and the second region of the circuit board of the side-light type backlight unit, the incident light of the side-light type backlight unit is increased, thereby improving the luminance of the side-light type backlight unit in 3D state. The disclosure further provides a display device comprising such a side-light type backlight unit.
Abstract translation: 总体发明构思提供了侧光型背光单元。 侧光型背光单元包括导光板和位于导光板的光入射面侧的光源。 光源包括电路板，其包括与导光板的光入射表面相对的第一区域和与第一区域相邻的第二区域。 第一区域和第二区域设置有LED灯。 通过在侧光式背光单元的电路板的第一区域和第二区域中配置LED灯，侧光型背光单元的入射光增加，从而提高侧光型的亮度 背光单元处于3D状态。 本公开还提供了一种包括这种侧光型背光单元的显示装置。
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公开(公告)号：US20220317517A1
公开(公告)日：2022-10-06
申请号：US17310391
申请日：2020-10-16
Inventor： Honghao Yu , Lili Jia , Donglei Li , Ying Chen , Hui Liu , Jie Gao , Jiaxin Li
IPC: G02F1/13357 , G02F1/1335
Abstract: A backlight module and a display device are provided, and the backlight module includes: a substrate; a plurality of light-emitting elements arranged in an array on the substrate; and a reflective supporting structure on the substrate, wherein the reflective supporting structure has a plurality of openings, the plurality of openings correspond to the plurality of light-emitting elements one-to-one, and each of the plurality of light-emitting elements is accommodated in one of the plurality of openings, wherein the reflective supporting structure is configured to reflect light from the plurality of light-emitting elements, so that an angle between an exit direction of the reflected light and a first direction perpendicular to the substrate is less than a predetermined angle.
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公开(公告)号：US11125932B2
公开(公告)日：2021-09-21
申请号：US16909524
申请日：2020-06-23
Inventor： Honghao Yu , Hao Zhou , Lili Jia , Donglei Li , Hui Liu , Ying Chen , Shanshan Liu
IPC: F21V8/00
Abstract: A light guide plate and a manufacturing method thereof, a backlight module, and a display device are provided. The light guide plate includes a light incident surface, a light reflection surface, and a light-emitting surface; the light reflection surface includes a first prism structure array, the first prism structure array includes first prisms arranged in sequence in a first direction, and the first direction is perpendicular to the light incident surface; the first prism structure array is configured to enable light emitted from the light incident surface to be emitted toward the light-emitting surface; and the light-emitting surface includes a second cylindrical structure array, the second cylindrical structure array includes second cylindrical structures arranged side by side in a second direction, the second direction is perpendicular to the first direction, and a first plane including the first direction and the second direction is perpendicular to the light incident surface.
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