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公开(公告)号：US10657890B2
公开(公告)日：2020-05-19
申请号：US16051284
申请日：2018-07-31
Inventor： Song Liu , Hengyu Yan , Boxiao Lan , Jinhui Cheng , Zhiming Meng , Chunbing Zhang , Rui Guo , Hanzhang Niu , Jianzi He
IPC: G09G3/3233 , G09G3/3258 , G09G3/3291
Abstract: A pixel driving circuit is provided, comprising: a current control circuit configured to provide a constant current signal and an activation signal, a current switching circuit configured to control the transmission of the constant current signal to a light-emitting device under the control of the activation signal, and a grounding control circuit configured to control the current control circuit to provide the constant current signal and the activation signal. An input terminal of the current control circuit is connected to a data line and a power line, respectively. A control terminal of the current switching circuit is connected to an output terminal of the current control circuit, an input terminal of the current switching circuit is connected to the input terminal of the current control circuit, and an output terminal of the current switching circuit s connected to an input terminal of the light-emitting device.
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公开(公告)号：US10551673B2
公开(公告)日：2020-02-04
申请号：US16334193
申请日：2018-05-15
Inventor： Sen Tan , Sijun Lei , Liang Gao , Yansheng Sun , Wencheng Luo , Wei Fu , Qihai Du , Song Liu , Yuxu Geng , Hebing Ma , Na Shao
IPC: H01S5/00 , G02F1/1335 , H01S5/042
Abstract: The present disclosure provides a light source assembly, a backlight module, and a display device. The light source assembly includes: at least one semiconductor laser, at least one beam expander, and a package; the at least one semiconductor laser and the at least one beam expander are in one-to-one correspondence and are all encapsulated in the package; each of the at least one beam expander is disposed on a side of a light emitting surface of a corresponding one of the at least one semiconductor laser; light emitted by each of the at least one semiconductor laser is expanded by a corresponding one of the at least one beam expander and then emitted from the package.
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公开(公告)号：US20190267559A1
公开(公告)日：2019-08-29
申请号：US16115009
申请日：2018-08-28
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Song Liu , Yu Wen , Jianming Sun , Zhengliang Li , Xiaochen Ma , Hehe Hu , Wenlin Zhang , Jianhua Du , Ce Ning
Abstract: The present disclosure relates to the field of display, in particular to a thin film transistor, a method for preparing the same, and a display device. The thin film transistor of the present disclosure includes a gate electrode, a gate insulating layer, a semiconductor layer, a source electrode, a drain electrode, and a photoelectric conversion layer in contact with the gate electrode. The photoelectric conversion layer is configured to generate an induced potential in a light environment.
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14.发明申请公开(公告)号：US20180226959A1
公开(公告)日：2018-08-09
申请号：US15710317
申请日：2017-09-20
Inventor： Guohuo Su , Zhihua Sun , Xu Zhang , Zhihao Zhang , Guangquan He , Song Liu
CPC classification number: H03K5/15093 , G09G3/20 , G09G2310/0275 , G09G2310/0286 , H03K2005/00241
Abstract: Embodiments of the present disclosure provide a clock signal transmission circuit, a driving method thereof, a gate driving circuit, and a display device. The clock signal transmission circuit includes an input circuit, a pull-up circuit, a reset circuit, a pull-down control circuit, a pull-down circuit, and a pull-up holding circuit. According to an embodiment of the present disclosure, the clock signal source can be disconnected from each shift register unit in the gate driving circuit before a screen is displayed, preventing malfunctions of the gate driving circuit caused by an undesired high voltage on the clock signal line.
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公开(公告)号：US12107203B2
公开(公告)日：2024-10-01
申请号：US17465689
申请日：2021-09-02
Applicant: BOE Technology Group Co., Ltd.
Inventor： Song Liu , Zhengliang Li , Kun Zhao , Feifei Li , Qi Qi
IPC: H01L33/62 , H01L25/075 , H01L33/56
CPC classification number: H01L33/62 , H01L25/0753 , H01L33/56
Abstract: Disclosed are a light-emitting substrate and a display device. In the light-emitting substrate, a first pad of a light-emitting area includes a first metal layer located above a base substrate and a second metal layer located on a side, facing away from the base substrate, of the first metal layer. A material of the second metal layer includes copper-nickel-titanium alloy, and a quantity of nickel atoms and/or titanium atoms contained per unit area in a cross section, farther from the base substrate, of the second metal layer is greater than a quantity of nickel atoms and/or titanium atoms contained per unit area in another cross section, closer to the base substrate, of the second metal layer.
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Patent Agency Ranking
公开(公告)号：US20240274050A1
公开(公告)日：2024-08-15
申请号：US17907499
申请日：2021-12-29
Inventor： Song Liu , Lu Bai , Yang Zhou , Xin Zhang , Junxiu Dai , Liheng Wei , Tianci Chen , Jiaxing Chen
IPC: G09G3/20
CPC classification number: G09G3/20 , G09G2300/0426 , G09G2310/08
Abstract: A scan circuit is provided. The scan circuit includes a plurality of stages. A respective stage of the scan circuit includes a first scan unit and a second scan unit configured to provide control signals to different rows of subpixels. Output from the first scan unit is input to the second scan unit through one of M rows of subpixels. M is an integer ≥2.
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公开(公告)号：US11442299B2
公开(公告)日：2022-09-13
申请号：US17265546
申请日：2020-05-13
Inventor： Pan Yuan , Sijun Lei , Liang Gao , Xianyong Gao , Yansheng Sun , Yunsong Li , Zhicai Xu , Yong Long , Ying Zhang , Dengqian Li , Guojian Zhang , Fanjian Zeng , Shanbin Chen , Sen Tan , Hebing Ma , Chaojie Zhang , Song Liu , Xinzhi Shao , Yong Deng , Xiangchao Chen , Genchuan Yan , Ying Yang , Xinyu Wang
IPC: G02F1/1334 , G02F1/13 , G02F1/1333 , G02F1/13357 , G02F1/1339 , G02F1/1343 , G02F1/1347
Abstract: Disclosed are a display module, a display device and a viewing-angle switching method. The display module includes a backlight module, a display panel, a lower polarizer sheet, a viewing-angle switching element and a transparent cover plate; the viewing-angle switching element and the transparent cover plate are arranged between the display panel and the lower polarizer sheet, and the transparent cover plate is arranged on a side of the viewing-angle switching element that is close to the lower polarizer sheet; the backlight module is configured to supply light that meets a preset condition, the viewing-angle switching element is configured to switch viewing-angle modes of the display module; the viewing-angle modes include; a first viewing-angle mode and a second viewing-angle mode; and a viewing-angle range of the first viewing-angle mode is smaller than a viewing angle range of the second viewing-angle mode.
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公开(公告)号：US11219899B2
公开(公告)日：2022-01-11
申请号：US16475035
申请日：2018-08-01
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xiaochen Ma , Guangcai Yuan , Ce Ning , Song Liu
IPC: B60L3/00 , G01N27/414 , B01L3/00
Abstract: The present application provides a micro-channel structure. The micro-channel structure includes a base substrate; a rail layer on the base substrate and including a first rail and a second rail spaced apart from each other; and a wall layer on a side of the rail layer distal to the base substrate, and including a first wall and a second wall at least partially spaced apart from each other, thereby forming a micro-channel between the first wall and the second wall. The micro-channel has an extension direction along a plane substantially parallel to a main surface of the base substrate, the extension direction being substantially parallel to extension directions of the first rail and the second rail along the plane substantially parallel to the main surface of the base substrate.
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公开(公告)号：US20210124215A1
公开(公告)日：2021-04-29
申请号：US16918080
申请日：2020-07-01
Applicant: BOE Technology Group Co., Ltd.
Inventor： Shengguang Ban , Zhanfeng Cao , Ke Wang , Qingzhao Liu , Shuilang Dong , Song Liu
IPC: G02F1/13357 , H01L27/15 , H01L33/26
Abstract: The present disclosure provides a backlight source. The backlight source includes: a substrate, and a first conductive structure, a plurality of light emitting units, and a second conductive structure which are stacked on the substrate. The first conductive structure and the second conductive structure are respectively on two sides of the plurality of light emitting units in a direction perpendicular to the substrate, and the first conductive structure and the second conductive structure are configured to load a voltage for the plurality of light emitting units.
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公开(公告)号：US10884164B2
公开(公告)日：2021-01-05
申请号：US16176153
申请日：2018-10-31
Inventor： Song Liu , Jinhui Cheng , Boxiao Lan , Hengyu Yan , Zhiming Meng
Abstract: The present disclosure provides a display device and a vehicle, and relate to the field of display technologies. When the present disclosure is applied to a vehicle, a driver and a passenger may see different images, and thus user experience is enhanced. A display device includes: a display panel and a light adjusting structure arranged at a light exiting side of the display panel. The light adjusting structure is configured to adjust a direction of exit light from the display panel, such that first images displayed by all first display units in the display panel and second images displayed by all second display units in the display panel are respectively transmitted to a first visible area and a second visible area.
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