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公开(公告)号：US20240297283A1
公开(公告)日：2024-09-05
申请号：US18027553
申请日：2022-03-31
Inventor： Yuanda Lu , Jiawei Zhao , Zhijun Xiong , Shanwei Yang , Xueqiao Li , Yuanhao Sun , Junjie Ma
IPC: H01L33/62 , H01L25/075
CPC classification number: H01L33/62 , H01L25/0753
Abstract: Provided is a light emitting diode chip, including: a base substrate; at least two light emitting units disposed on the base substrate, wherein the at least two light emitting units include adjacent first light emitting unit and second light emitting unit, and each of the first light emitting unit and the second light emitting unit includes: a first semiconductor layer disposed on the base substrate; a light emitting layer disposed on the first semiconductor layer away from the base substrate; and a second semiconductor layer disposed on the light emitting layer away from the base substrate, wherein the light emitting diode chip further includes a bridging part for conducting, and the bridging part is configured to electrically connect the second semiconductor layer of the first light emitting unit with the first semiconductor layer of the second light emitting unit.
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72.发明公开公开(公告)号：US20240282900A1
公开(公告)日：2024-08-22
申请号：US18649385
申请日：2024-04-29
Inventor： Shubai ZHANG , Lingyun SHI , Wei ZHANG , Longtao HUANG , Zhaohui LI , Zhifu YANG , Hao CHENG
CPC classification number: H01L33/62 , G06T7/0004 , H01L33/58 , G06T2207/30121 , G06T2207/30152 , H01L2933/0066
Abstract: A circuit substrate includes a base substrate, traces, a protective layer, and an electronic device. The traces are provided on the base substrate. The protective layer is provided on the traces, and has openings each exposing a portion of a trace, the portion serving as a conductive pattern. The electronic device includes a chip and multiple bumps provided on the chip. The conductive pattern is connected to at least one of the bumps on the chip. The conductive pattern includes a first portion and a second portion connected to each other. An orthographic projection of the chip on the base substrate covers an orthographic projection of the first portion on the base substrate, and is non-overlapping with an orthographic projection of the second portion on the base substrate. The total area of conductive patterns connected to the chip is less than an area of the chip.
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73.发明公开公开(公告)号：US20240249691A1
公开(公告)日：2024-07-25
申请号：US18292410
申请日：2022-06-09
Inventor： Zhitao ZHANG
CPC classification number: G09G3/3426 , G09G3/3648 , G09G2320/0233 , G09G2370/10
Abstract: A driving method for a liquid crystal display apparatus includes generating and sending, by a system unit according to image data, respective ones of dimming data groups sequentially; and responding, by a backlight driver, to respective ones of the dimming data groups sequentially; where responding, by the backlight driver, to any one of the dimming data groups comprises: receiving the dimming data group, and sending driving configuration information to each of the signal channels according to the dimming data group. The driving configuration information of any one of the signal channels includes driving data and address related information of a selected microchip in the signal channel, and the selected microchip is the microchip that controls the light emitting zone corresponding to the dimming data in the dimming data group. The method further includes acquiring, by the selected microchip, the driving data according to the driving configuration information.
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公开(公告)号：US20240213432A1
公开(公告)日：2024-06-27
申请号：US17918214
申请日：2021-10-29
Inventor： Shanwei YANG , Junjie MA , Yuanda LU , Zhijun XIONG , Linxia QI , Jiawei ZHAO , Yuanhao SUN
IPC: H01L33/64 , H01L25/075 , H01L33/38 , H01L33/62
CPC classification number: H01L33/642 , H01L25/0753 , H01L33/382 , H01L33/62 , H01L33/641 , H01L2933/0016 , H01L2933/0075
Abstract: The present disclosure provides a light emitting chip and a producing method thereof, and a light emitting apparatus. The light emitting chip includes a patterned substrate; a light emitting unit, wherein the light emitting unit includes an electron injection layer, a luminescent layer and a hole injection layer; a first electrode, wherein the first electrode is connected to the electron injection layer; a second electrode, wherein the second electrode is connected to the hole injection layer; a first passivation layer, wherein the first passivation layer partially covers the light emitting unit, the first electrode and the second electrode, the first passivation layer includes a first opening, and the light emitting unit partially exposes from the first opening; and a heat dissipating layer, wherein the heat dissipating layer covers the first passivation layer, and a part of the light emitting unit exposing from the first passivation layer.
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公开(公告)号：US20240212579A1
公开(公告)日：2024-06-27
申请号：US17920347
申请日：2021-11-26
Inventor： Shicai CAO , Zhitao ZHANG , Xiurong WANG , Tao YANG , Mengmeng WANG
CPC classification number: G09G3/32 , G09G3/3426 , G09G2300/0828 , G09G2320/0276 , G09G2330/021
Abstract: The present disclosure provides a drive circuit of a display panel, a method for driving the same, and a display device, and relates to the field of display technologies. The drive circuit includes: a power supply circuit, an adapter circuit board, and a voltage regulation circuit. The adapter circuit board transmits a power supply voltage supplied by the power supply circuit to light-emitting elements in the display panel. The voltage regulation circuit regulates, based on an ideal operating voltage of the light-emitting element under a certain grayscale and a wiring voltage drop on a wiring coupled to the light-emitting element, the power supply voltage supplied by the power supply circuit. That is, the voltage regulation circuit flexibly regulates, based on a grayscale of a screen displayed by the display panel, the power supply voltage supplied by the power supply circuit to the light-emitting element. In this way, the operating power consumption of the display panel is effectively reduced, and the product yield is further improved.
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Patent Agency Ranking
公开(公告)号：US11960167B2
公开(公告)日：2024-04-16
申请号：US17626154
申请日：2021-02-05
Inventor： Pei Li , Haiwei Sun , Ming Zhai , Lu Yu , Kangle Chang , Jinpeng Li , Pengjun Cao , Yutao Hao , Shubai Zhang , Shuo Wang , Pei Qin , Zewen Gao , Yali Zhang
CPC classification number: G02F1/133603 , H01L25/167 , H01L33/54 , H01L33/60 , H01L33/505 , H01L33/56 , H01L2224/13139 , H01L2933/0041
Abstract: A backplane includes: a substrate including a circuit structure layer, a first reflective layer disposed on a bearing surface of the substrate, a plurality of light-emitting diode chips, and a plurality of optical structures. The first reflective layer includes a plurality of through holes spaced apart. A light-emitting diode chip in the plurality of light-emitting diode chips is located in one of the plurality of through holes. The plurality of light-emitting diode chips are electrically connected to the circuit structure layer. The circuit structure layer is configured to drive the plurality of light-emitting diode chips to emit light. An optical structure in the plurality of optical structures covers the light-emitting diode chip, a light incident surface of the optical structure is in contact with a light exit surface of the light-emitting diode chip, and a light exit surface of the optical structure is a curved surface.
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公开(公告)号：US20240062708A1
公开(公告)日：2024-02-22
申请号：US18271674
申请日：2021-12-30
Inventor： Qibing GU , Guofeng HU , Xiuling LI , Bao FU , Jiayi LI , Xiurong WANG , Yicheng LIN , Lingyun SHI
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G2300/0408 , G09G2300/0426 , G09G2310/0291 , G09G2300/0828 , G09G2330/021 , G09G2320/041 , G09G2320/0626
Abstract: Disclosed are a display panel and a display apparatus, wherein the display panel includes a plurality of first signal lines extending along a first direction and a plurality of pixel units arranged in an array in the first direction and a second direction; at least one pixel unit among the plurality of pixel units includes a component group and a drive chip configured to drive the component group to emit light; the component group includes K light emitting elements, and the drive chip includes K signal channel terminals, K is a positive integer greater than or equal to 2; for a pixel unit in a j-th row and an i-th column, cathodes of the K light emitting elements are electrically connected with an i-th first signal line, and an anode of an s-th light emitting element is electrically connected with an s-th signal channel terminal of the drive chip.
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公开(公告)号：US20220415217A1
公开(公告)日：2022-12-29
申请号：US17779655
申请日：2021-06-15
Inventor： Gongtao ZHANG , Xuerong WANG , Qibing GU , Haiwei SUN , Shipeng WANG
Abstract: A splicing display unit, a splicing display device and a manufacturing method thereof are disclosed. The splicing display unit includes a display module and a signal source module. The signal source module includes a first circuit board having a power structure, a first driving structure, a first connector, at least one first wireless signal transmitter. The display module includes a second circuit board, at least one display panel, a second driving structure connected to each display panel. The second circuit board has a second connector, and at least one first wireless signal receiver corresponding to the display panel respectively. The first wireless signal receiver and the second connector are electrically connected to the second driving structure. The first wireless signal receiver is opposite to the first wireless signal transmitter; the first connector and the second connector are arranged in a one-to-one correspondence way and are detachably connected.
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公开(公告)号：US20220336706A1
公开(公告)日：2022-10-20
申请号：US17417493
申请日：2020-09-29
Inventor： Junjie Ma , Haiwei Sun , Yuanda Lu , Shanwei Yang , Linxia Qi , Zhijun Xiong , Jiawei Zhao
IPC: H01L33/38 , H01L33/62 , H01L25/075 , H01L33/00
Abstract: A light-emitting diode chip, a display substrate and a manufacturing method thereof are disclosed. The light-emitting diode chip includes a first conductive type semiconductor layer, a light-emitting layer, at least two second conductive type semiconductor layers, and at least two first electrodes; the at least two second conductive type semiconductor layers are at a side of the light-emitting layer away from the first conductive type semiconductor layer, the at least two first electrodes are electrically respectively connected with the at least two second conductive type semiconductor layers. Orthographic projections of the at least two second conductive type semiconductor layers on the first conductive type semiconductor layer are spaced apart from each other, and orthographic projections of the at least two first electrodes on the first conductive type semiconductor layer are spaced apart from each other.
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公开(公告)号：US20220314598A1
公开(公告)日：2022-10-06
申请号：US17310292
申请日：2021-01-12
Inventor： Linhui Gong , Chao Liu , Qiangwei Cui , Ke Meng , Haiwei Sun
IPC: B41F16/00
Abstract: Disclosed are a pattern transfer apparatus and a pattern transfer method. The pattern transfer method includes: transferring a pattern to a flexible printing substrate; and transferring the pattern on the printing substrate to a bending surface of a rigid carrier through an elastic rubber head.
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