-
31.
公开(公告)号:US11227544B2
公开(公告)日:2022-01-18
申请号:US16487376
申请日:2019-01-14
Applicant: BOE Technology Group Co., Ltd.
Inventor: Shengji Yang , Xue Dong , Xiaochuan Chen , Hui Wang , Pengcheng Lu
IPC: G09G3/3233
Abstract: The disclosure discloses a pixel circuit, an electroluminescent display panel, driving methods thereof, and a display device. An initialization circuit, a photosensitive drive circuit, a photosensitive output circuit, and a photosensitive device are provided in the pixel circuit. Under the control of a second control signal terminal, an initialization signal provided by an initialization signal terminal is transmitted to a third node by the initialization circuit; under the control of a potential of the third node, the photosensitive drive circuit outputs a corresponding electrical signal; and under the control of a first gate signal terminal, the photosensitive output circuit transmits the electrical signal output by the photosensitive drive circuit to a reading signal terminal.
-
公开(公告)号:US20220005836A1
公开(公告)日:2022-01-06
申请号:US17478471
申请日:2021-09-17
Inventor: Haisheng Wang , Xue Dong , Hailin Xue , Xi Chen , Yingming Liu , Xiaoliang Ding , Weijie Zhao , Shengji Yang , Hongjuan Liu , Changfeng Li , Wei Liu
Abstract: An array substrate, a touch panel and a manufacturing method of an array substrate are provided. The array substrate includes a base substrate and a plurality of gate lines, a plurality of data lines, a common electrode layer and a plurality of pixel units arranged in an array disposed on the base substrate. Each of the pixel units includes a plurality of sub-pixel units defined by gate lines and data lines disposed to intersect each other laterally and vertically. The common electrode layer includes a plurality of common electrode blocks that double as self-capacitance electrodes, each of the common electrode blocks is connected with at least one wire, and the wires are in the middle of sub-pixel units of a same column.
-
33.
公开(公告)号:US11217637B2
公开(公告)日:2022-01-04
申请号:US16463887
申请日:2018-12-17
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Shengji Yang , Xue Dong , Xiaochuan Chen , Hui Wang , Yanming Wang , Fang Yu , Wei Li
IPC: H01L29/207 , H01L27/32 , G06F3/041 , H01L51/56
Abstract: The present disclosure is related to a display substrate. The display substrate having a display area comprises a first electrode layer on a base substrate; a second electrode layer on a side of the first electrode layer far away from the base substrate; a light emitting layer between the first electrode layer and the second electrode layer; a pixel definition layer defining a plurality of sub-pixel regions with each of the plurality of sub-pixel regions containing the light emitting layer and the first electrode layer; and a signal line coupled to the second electrode layer. The signal line is substantially within the display area and at a different layer from the second electrode layer.
-
34.
公开(公告)号:US11216117B2
公开(公告)日:2022-01-04
申请号:US16318281
申请日:2018-05-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Pengpeng Wang , Xue Dong , Haisheng Wang , Xiaoliang Ding , Yingming Liu , Chih Jen Cheng , Wei Liu , Xueyou Cao , Ping Zhang , Changfeng Li
Abstract: Embodiments of the present disclosure provide a fingerprint identification device, an array substrate, a display device and a fingerprint identification method. The fingerprint identification device includes: a first gate line, a second gate line, a read signal line and a voltage dividing unit, wherein, a plurality of fingerprint identification units are defined by the second gate line and the read signal line intersecting with each other, and the fingerprint identification unit includes a photosensitive member and a thin film transistor; the first gate line is connected with the voltage dividing unit, the voltage dividing unit includes a pressure sensitive member and an equivalent resistor connected in series, and the second gate line is connected between the pressure sensitive member and the equivalent resistor.
-
公开(公告)号:US20210365166A1
公开(公告)日:2021-11-25
申请号:US16333631
申请日:2018-07-04
Applicant: BOE Technology Group Co., Ltd.
Inventor: Ping Zhang , Xue Dong , Jing Lv , Haisheng Wang , Xiaoliang Ding , Wei Liu , Xueyou Cao , Pengpeng Wang , Yanling Han , Chihjen Cheng , Pinchao Gu , Yunke Qin , Yuzhen Guo
Abstract: The disclosure provides a substrate and a sensing method thereof, a touch panel and a display device. The substrate comprises at least two sensing layers, wherein any two of the at least two sensing layers are a first sensing layer and a second sensing layer, respectively; and, the first sensing layer comprises an array of first sensing units, and the second sensing layer comprises an array of second sensing units, any one of the first sensing units within a sensing region is overlapped with more than one of the second sensing units, and any one of the second sensing units within the sensing region is overlapped with more than one of the first sensing units.
-
公开(公告)号:US11169421B2
公开(公告)日:2021-11-09
申请号:US15780071
申请日:2017-11-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Xiaochen Niu , Xue Dong , Xiaochuan Chen , Wenqing Zhao , Chenyu Chen , Haiyan Wang
IPC: G02F1/1343 , G02F1/1335 , G02F1/13357 , G02F1/1337 , G09G3/36
Abstract: A liquid crystal display and a driving method thereof are provided. The liquid crystal display includes a backlight source, a lower substrate at a light exit side of the backlight source, an upper substrate opposite to the lower substrate, and a liquid crystal layer between the two substrates. The backlight source includes a plurality of light sources, and light emitted from each light source is collimated light. The liquid crystal display further includes at least one first electrode and at least one second electrode between the lower substrate and the liquid crystal layer and a light shielding structure, orthographic projections of the light source and the light shielding structure on the lower substrate overlapping. The first and second electrodes are configured to receive different voltages to form an electric field, so that liquid crystal molecules within the electric field are deflected to form convex lens structures.
-
公开(公告)号:US20210327353A1
公开(公告)日:2021-10-21
申请号:US16346358
申请日:2018-10-17
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Wei Liu , Xue Dong , Haisheng Wang , Xiaoliang Ding , Yingming Liu , ChihJen Cheng , Xueyou Cao , Yanling Han , Changfeng Li , Pengpeng Wang , Ping Zhang , Rui Xu
IPC: G09G3/3258
Abstract: An electrical signal detection module includes a photoelectrical signal application circuitry, an operational amplifier, a gain control circuitry and a master control circuitry. The gain control circuitry includes at least two gain control sub-circuitries connected in parallel to each other, and a discharge switching sub-circuitry connected in parallel to the gain control sub-circuitries. Each gain control sub-circuitry includes a gain switching sub-circuitry and a gain capacitive sub-circuitry connected in series to each other. The master control circuitry is configured to apply a discharge switching signal to the discharge switching sub-circuitry, and apply a gain switching control signal to the corresponding gain switching sub-circuitry. The gain switching sub-circuitry is configured to control a first end and a second end of the gain switching sub-circuitry to be electrically connected to each other in accordance with the gain switching control signal. The discharge switching sub-circuitry is configured to enable a first end of the gain capacitive sub-circuitry connected to the gain switching sub-circuitry to be electrically connected to, or electrically disconnected from, a second end of the gain capacitive sub-circuitry in accordance with the discharge switching signal.
-
公开(公告)号:US11150398B2
公开(公告)日:2021-10-19
申请号:US16013692
申请日:2018-06-20
Applicant: BOE Technology Group Co., Ltd.
Inventor: Xiandong Meng , Xue Dong , Xiaochuan Chen , Jifeng Tan , Haiyan Wang , Wei Wang , Jian Gao , Wenqing Zhao
IPC: F21V8/00
Abstract: An edge-lit type backlight module and a display device are provided. The edge-lit type backlight module includes a light guide plate having a first surface and a second surface opposite to each other, as well as a first end and a second end opposite to each other, the first end and a second end having a distribution orientation parallel to the first surface; a light source disposed on the first surface of the light guide plate and being close to the first end of the light guide plate; a metal grating disposed on the second surface of the light guide plate, an orthographic projection of the metal grating on the first surface covering an orthogonal projection of the light source on the first surface.
-
公开(公告)号:US11106884B2
公开(公告)日:2021-08-31
申请号:US16643451
申请日:2019-03-20
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Xiaoliang Ding , Xue Dong , Haisheng Wang , Yingming Liu , Chihjen Cheng , Yanling Han , Xueyou Cao , Liguang Deng
IPC: G06K9/00
Abstract: The present disclosure discloses a fingerprint identification component, a fingerprint identification method and a fingerprint identification device. the fingerprint identification component includes an ultrasonic wave transmission circuit and an ultrasonic wave reception circuit, the ultrasonic wave transmission circuit is configured to transmit an ultrasonic wave in a direction towards a fingerprint at an interval of a first time period in a detection phase; the ultrasonic wave reception circuit is configured to, in the detection phase, receive an ultrasonic wave reflected by the fingerprint, convert the ultrasonic wave into an electric signal, and output the electric signal to a signal reading line, in order for an external detection component to determine texture information of the fingerprint according to the electric signal in the signal reading line.
-
公开(公告)号:US11106296B2
公开(公告)日:2021-08-31
申请号:US16078061
申请日:2017-12-15
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Shengji Yang , Xue Dong , Jing Lv , Xiaochuan Chen , Dongni Liu , Lei Wang , Pengcheng Lu , Jie Fu , Han Yue , Li Xiao
IPC: G06F3/041 , G06F3/044 , G09G3/36 , G09G3/3266
Abstract: A shift register unit includes an input circuit, a first control circuit, a second control circuit, a third control circuit, a first output circuit, and a second output circuit. The first and second output circuits selectively transfer a first reference voltage from a first reference voltage terminal and a third reference voltage from a third reference voltage terminal to an output terminal of the shift register unit. This allows the shift register unit to output a desired output signal in an easy manner.
-
-
-
-
-
-
-
-
-