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公开(公告)号:US12300088B2
公开(公告)日:2025-05-13
申请号:US17792980
申请日:2021-09-17
Inventor: Xiao Zheng , Jiaqiang Wang , Yonghui Wang , Zhong Hu , Shaobo Han , Guo Liu , Wei Sun , Chen Meng , Feng Qu
Abstract: The present disclosure provides an eyesight protection device, an eyesight protection system and an detection method for the eyesight protection device, which belongs to the technical field of communication, and can solve some problems in the prior art. The present disclosure provides an eyesight protection device, which includes: a millimeter-wave radar detection circuit, a control circuit and an alarm circuit. The millimeter-wave radar detection circuit is configured to detect a distance between a user and a reading material read by the user. The control circuit is configured to generate a first control signal at least when it is determined that the distance detected by the millimeter-wave radar detection circuit is smaller than a first predetermined value. The alarm circuit is configured to send out an alarm signal in response to the first control signal.
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公开(公告)号:US12261377B2
公开(公告)日:2025-03-25
申请号:US17904255
申请日:2021-11-17
Abstract: An antenna is provided. The antenna includes a ground plate; a dielectric layer on the ground plate; and a microstrip feed line and a radiating patch on a side of the dielectric layer away from the ground plate, the radiating patch being coupled to the microstrip feed line and configured to receive a signal from the microstrip feed line. The radiating patch includes a main body having a parallelogram shape with a first notch truncating a corner of the parallelogram shape, at least a portion of the main body truncated by the first notch having an arc-shaped contour line. The radiating patch further includes a first branch structure.
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公开(公告)号:US12249529B2
公开(公告)日:2025-03-11
申请号:US17427628
申请日:2020-10-30
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Haixu Li , Xiao Zhang , Fei Wang , Mingxing Wang , Shulei Li , Xue Dong , Guangcai Yuan , Zhanfeng Cao , Xin Gu , Ke Wang , Feng Qu , Xuan Liang , Junwei Yan
IPC: H01L21/683 , H01L25/075 , H01L33/62
Abstract: A light-emitting diode substrate, a manufacturing method thereof, and a display device are disclosed. The manufacturing method of the light-emitting diode substrate includes: forming an epitaxial layer group of M light-emitting diode chips on a substrate; transferring N epitaxial layer groups on N substrates onto a transition carrier substrate, the N epitaxial layer groups on the N substrates being densely arranged on the transition carrier substrate; and transferring at least part of N*M light-emitting diode chips corresponding to the N epitaxial layer groups on the transition carrier substrate onto a driving substrate, an area of the transition carrier substrate is greater than or equal to a sum of areas of the N substrates, M is a positive integer greater than or equal to 2, and N is a positive integer greater than or equal to 2.
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公开(公告)号:US12216360B2
公开(公告)日:2025-02-04
申请号:US18292304
申请日:2022-07-01
Inventor: Xuan Zhong , Jiaxing Wang , Hongliang Yuan , Xiaojuan Wu , Jian Wang , Hongsheng Bi , Zhiqiang Zhao , Ziqi Sun , Yongzhong Zhang , Feng Qu
IPC: G02F1/1337 , G02F1/1333 , G02F1/13363 , G02F1/1343
Abstract: A display module, including: a first substrate (1); a second substrate (2); a liquid crystal layer (3); the display module further includes a first polarizing film (4), a first one-half wave plate (51) and a first quarter wave plate (52); the first quarter wave plate (52), the first one-half wave plate (51) and the first polarizing film (4) are on a side of the first substrate (1) away from the liquid crystal layer (3) and are sequentially stacked in a direction away from the first substrate (1); an angle between an absorption axis of the first polarizing film (4) and a first direction is in a range of 85° to 105°; an angle between a slow axis of the first one-half wave plate (51) and the first direction is in a range of 105° to 125°.
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公开(公告)号:US12176629B2
公开(公告)日:2024-12-24
申请号:US18023078
申请日:2022-06-24
Inventor: Wei Zhang , Xiaobo Wang , Feng Qu , Zhifeng Zhang
Abstract: The present disclosure provides a holographic antenna and an electronic device, and belongs to the field of communication technology. The holographic antenna includes a resonant structure, which includes a first and a second dielectric substrate opposite to each other, a first electrode layer on a side of the first dielectric substrate close to the second dielectric substrate, a second electrode layer on a side of the second dielectric substrate close to the first dielectric substrate, and a tunable dielectric layer between the first and second electrode layers. The first electrode layer includes slit openings therein, and the second electrode layer includes patch electrodes thereon; orthographic projections of a slit opening and a patch electrode corresponding to each other on the first dielectric substrate at least partially overlaps with each other; and the orthographic projection of the slit opening on the first dielectric substrate at least includes an arc segment.
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公开(公告)号:US12166292B2
公开(公告)日:2024-12-10
申请号:US17772841
申请日:2021-06-25
Inventor: Chunnan Feng , Zhifeng Zhang , Yong Li , Haoyang Zhang , Chuncheng Che , Jingjun Du , Jiaqiang Wang , Feng Qu
Abstract: An antenna according to an embodiment of the present disclosure includes a first substrate, the first substrate includes: a first base substrate; at least one first radiation unit on a side of the first base substrate; a first electrode layer on a side of the first base substrate away from the at least one first radiation unit; and at least one second radiation unit on a side of the at least one first radiation unit away from the first electrode layer; wherein an orthographic projection of each second radiation unit on the first base substrate at least partially overlaps an orthographic projection of one first radiation unit on the first base substrate; and an orthographic projection of the at least one first radiation unit on the first base substrate is within an orthographic projection of the first electrode layer on the first base substrate.
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公开(公告)号:US12166255B2
公开(公告)日:2024-12-10
申请号:US17514798
申请日:2021-10-29
Inventor: Jia Fang , Feng Qu , Jingwen Guo
Abstract: The present disclosure provides a phase shifter, a method for fabricating the same, and an antenna. The phase shifter includes a substrate, first and second transmission lines spaced apart from each other on the substrate, and at least one phase control element on the substrate. Each phase control element includes a membrane bridge and a transmission line extension which is on the substrate, between the first and second transmission lines, and electrically coupled to the first transmission line; the membrane bridge is on a side of the transmission line extension distal to the substrate, opposite to and spaced apart from the transmission line extension, and electrically coupled to the second transmission line. The membrane bridge is configured to move a portion of the membrane bridge in response to the first and second transmission lines being applied with different voltages, to change a distance from the transmission line extension.
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公开(公告)号:US12126079B2
公开(公告)日:2024-10-22
申请号:US17638953
申请日:2021-03-15
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Qianhong Wu , Dongdong Zhang , Hai Yu , Yafei Zhang , Feng Qu
CPC classification number: H01Q13/106 , H01Q1/422
Abstract: An antenna includes: a dielectric layer; a reference electrode layer on a first surface of the dielectric layer and with a slot therein; radiation structure on a second surface of the dielectric layer. The radiation structure includes a plurality of radiation parts spaced apart from each other, each of which includes radiation elements spaced apart from each other. The plurality of radiation parts in each radiation structure include first radiation part and a second radiation part; and a first microstrip line and a second microstrip line are on the second surface. The first microstrip line is configured to feed power to the radiation elements in the first radiation part, and the second microstrip line is configured to feed power to the radiation elements in the second radiation part. The first microstrip line has a feed direction different from that of the second microstrip line.
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公开(公告)号:US20240275011A1
公开(公告)日:2024-08-15
申请号:US18023554
申请日:2022-06-14
Inventor: Yuanlong Yang , Chuncheng Che , Jing Pang , Feng Qu , Zhifeng Zhang , Sheng Chen , Meng Wei , Xueyan Su , Yunzhang Zhao , Liangrong Ge , Yuanfu Li
IPC: H01P1/20
CPC classification number: H01P1/20
Abstract: The present application provides an adjustable radio frequency unit, a filter, and an electronic device. The adjustable radio frequency unit includes a first tunable dielectric layer and a second tunable dielectric layer; a first conductive layer located between the first tunable dielectric layer and the second tunable dielectric layer; a second conductive layer located on the side, away from the first conductive layer, of the first tunable dielectric layer; and a third conductive layer located on the side, away from the first conductive layer, of the second tunable dielectric layer; wherein orthographic projections of the first conductive layer, the second conductive layer and the third conductive layer on the first tunable dielectric layer at least partially overlap with one another. The adjustable radio frequency unit has the characteristic of passband adjustability and with high adjustment precision, good controllability, wide working frequency range, and low loss and cost.
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公开(公告)号:US20240212553A1
公开(公告)日:2024-06-27
申请号:US18601014
申请日:2024-03-11
Inventor: Zhihua Sun , Yinlong Zhang , Qiujie Su , Feng Qu , Jing Liu , Yanping Liao , Xibin Shao
IPC: G09G3/20
CPC classification number: G09G3/20 , G09G3/2092 , G09G2310/0205 , G09G2310/0224 , G09G2310/0251 , G09G2310/0267 , G09G2310/0275 , G09G2310/0278 , G09G2310/0286 , G09G2310/08
Abstract: Embodiments of the present disclosure provide a method of driving display, and a display device. The method of driving display includes: scanning, progressively or rows by rows, a plurality of sub-pixels arranged in an N×M array, to turn on each row of sub-pixels scanned, so that a duration in which two adjacent rows of sub-pixels are simultaneously in an ON state is greater than or equal to two times a unit scanning time, wherein the unit scanning time is a time required for scanning a row of sub-pixels, N is an integer greater than 1, and M is an integer greater than 1; and applying data signals to at least two rows of sub-pixels simultaneously in the ON state, so that a duration of applying the data signals to each row of sub-pixels is greater than the unit scanning time.
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