Patents by Inventor Ling Shi
Ling Shi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230207031Abstract: A shift register, comprising an input circuit, a first control circuit, a second control circuit and an output circuit. The input circuit is configured to transmit a first voltage signal from a first voltage signal terminal to a first node under the control of an input signal from a signal input terminal. The first control circuit is configured to transmit a second voltage signal from a second voltage signal terminal to a second node under the control of a first clock signal from a first clock signal terminal and the voltage of the first node. The second control circuit is configured to transmit a second clock signal from a second clock signal terminal to a third node under the control of the voltage of the second node. The output circuit is configured to transmit the first voltage signal from the first voltage signal terminal to a scan signal output terminal under the control of the voltage of the third node.Type: ApplicationFiled: October 27, 2021Publication date: June 29, 2023Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhu WANG, Ling SHI, Yipeng CHEN, Hui LU, Zhenglong YAN, Changchang LIU, Ke LIU
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Patent number: 11678064Abstract: The present invention relates to video processing, and provides a method for detecting and reducing video flicker. The method for detecting video flicker includes steps of: calculating the line sums of the luminance components of two adjacent frames in a video frame sequence; comparing the line sums of the luminance components of the two adjacent frames, and calculating a flicker component; obtaining the light source flicker frequency according to an assumed k value; determining two different local intervals by the coordinates of a current point of the flicker component according to the light source flicker frequency; and respectively calculating a peak function and a valley function of the flicker component in the two different local intervals; and determining whether there is video flicker caused by the light source in the current frame according to the peak function and the valley function of the flicker component.Type: GrantFiled: November 26, 2020Date of Patent: June 13, 2023Assignee: ARKMICRO TECHNOLOGIES (SHENZHEN) CO., LTD.Inventors: Mi Zhou, Weijian Yan, Junxiu Liu, Ling Shi
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Publication number: 20230178567Abstract: The display substrate comprises: a flexible substrate having a display area and a peripheral area located on at least one side of the display area, wherein the peripheral area sequentially comprises a wiring area, a bending area and a pad area along a direction away from the display area; a first electrical structure on a side of the bending area away from the pad area; a second electrical structure located in the pad area; wherein the flexible substrate comprises: a first flexible substrate; a second flexible substrate and a wiring, wherein the wiring have a first portion in the wiring area, a second portion in the bending area, and a third portion in the pad area, wherein the first electrical structure is connected to the first portion, and the second electrical structure is connected to the third portion.Type: ApplicationFiled: October 12, 2021Publication date: June 8, 2023Inventors: Weifeng ZHOU, Yuanzheng GUO, Tao GAO, Ling SHI, Yang YANG, Qingsong WANG, Liqiang CHEN
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Publication number: 20230154409Abstract: The present disclosure provides a shift register circuit, including A shift register circuit (100) includes: an input circuit (110), a reset circuit (180), a first control circuit (120), a second control circuit (130), a third control circuit (140), a fourth control circuit (150), a fifth control circuit (160), a first output circuit (170a), a second output circuit (170b) and a third output circuit (170c). The shift register circuit (100) is configured to be capable of providing three different output signals as three different gate driving signals required to drive a pixel array of a display panel (810).Type: ApplicationFiled: March 9, 2021Publication date: May 18, 2023Inventors: Zhu WANG, Ling SHI, Yipeng CHEN, Ke LIU
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Patent number: 11651735Abstract: The present disclosure discloses a pixel circuit and a drive method thereof, and a display panel. The pixel circuit includes a drive transistor, a first light-emission control sub-circuit, a second light-emission control sub-circuit, a first threshold compensation sub-circuit, a second threshold compensation sub-circuit, a first initialization sub-circuit, a second initialization sub-circuit, a data-in sub-circuit, a capacitor, and a light-emitting element; wherein the second light-emission control sub-circuit is connected to the first light-emission control sub-circuit, a second initialization sub-circuit and a gate of the drive transistor, and is configured to send the signal of the first threshold compensation sub-circuit or the signal of the second threshold compensation sub-circuit to the gate of the drive transistor.Type: GrantFiled: June 19, 2021Date of Patent: May 16, 2023Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yipeng Chen, Ling Shi
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Patent number: 11651614Abstract: Provided are a pixel driving circuit, a driving method thereof and a display panel. The pixel driving circuit includes a pixel driving module, an ultrasonic driving unit, an ultrasonic sensing unit and a signal acquisition unit. The pixel driving module is configured to drive a light-emitting unit to emit light; the ultrasonic driving unit is configured to provide a signal of a second signal terminal to a first node under control of the second signal terminal; the ultrasonic sensing unit is configured to transmit ultrasonic waves according to signals of the first node and a third power supply terminal, receive reflected ultrasonic echoes and generate a first induction signal at the first node; the signal acquisition unit is configured to output a second induction signal to an output terminal according to a first power supply terminal and first induction signal of the first node under control of the first node.Type: GrantFiled: February 24, 2021Date of Patent: May 16, 2023Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Ke Liu, Ling Shi, Yang Yu, Bingqiang Gui
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Publication number: 20230093654Abstract: The present disclosure provides a gate driving unit, a gate driving method, a gate driving circuit and a display device. The gate driving unit includes a first clock signal end, a second clock signal end, a third clock signal end, a fourth clock signal end, a first output node control circuitry, a second output node control circuitry, a first control node control circuitry and an output circuitry. According to the present disclosure, it is able to provide a gate driving signal for an N-type transistor in an LTPO pixel circuit, and reduce the number of transistors, thereby to provide a narrow bezel.Type: ApplicationFiled: September 14, 2021Publication date: March 23, 2023Inventors: Wenqiang LI, Chuntong JIANG, Ling SHI, Yipeng CHEN, Shuai XIE
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Publication number: 20230081009Abstract: A display panel includes a substrate, first light-emitting devices located in a first display area, a first driving circuit, second light-emitting devices located in a second display area, and a second driving circuit. The first driving circuit is configured to actively drive the first light-emitting devices to emit light, and includes a plurality of pixel driving circuits and a signal line. The signal line is located in the second display area, and extends along an edge of the second display area. An orthographic projection of the signal line on the substrate and an orthogonal projection of the first display area on the substrate have a gap therebetween. The second driving circuit is configured to passively drive the second light-emitting devices to emit light. An orthographic projection of at least one of the second light-emitting devices on the substrate is overlapped with an orthogonal projection of the gap on the substrate.Type: ApplicationFiled: August 13, 2021Publication date: March 16, 2023Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ling SHI, Ke LIU, Yipeng CHEN, Zhenhua ZHANG
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Patent number: 11584567Abstract: An enclosing cup includes a base, an enclosing container for holding liquid, a handle and a mouth. The enclosing container is supported by the base. The mouth is supported by the enclosing container. The enclosing container incorporates a cavity for containing liquid, and an aperture. The mouth communicates with the cavity via the aperture. Liquid flows into and out of the cavity via the aperture and the mouth. The handle is disposed within the enclosing container. The liquid is disposed around the handle and a user's hand that holds the handle. The handle makes contact with the inner side of the enclosing container at one or more points. The handle allows a user to hold and operate the enclosing cup, while the mouth of the enclosing cup allows the user to drink the liquid out of the enclosing cup.Type: GrantFiled: May 14, 2020Date of Patent: February 21, 2023Assignee: LPIP LLCInventor: Ling Shi
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Patent number: 11573983Abstract: Provided is a method, computer program product, and system for classifying a set of data items based on format organizations. A processor may determine at least one format organization of a set of data items. The format organization of a data item indicates a symbol type of at least one continuous symbol in the data item and a number of the at least one continuous symbol. The processor may determine at least one candidate data class for the set of data items from a plurality of predetermined data classes based on the at least one format organization. The processor may classify the set of data items into at least one target data class selected from the at least one candidate data class. In this way, the set of data items can be efficiently classified.Type: GrantFiled: July 2, 2020Date of Patent: February 7, 2023Assignee: International Business Machines CorporationInventors: Liang Lu, Yue Wang, Sun Chun Hua, Jian Ling Shi, Yi Yang Ren, Chun Leng
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Publication number: 20230025386Abstract: A display panel and a display device are described. The display panel includes a first display area, the first display area includes a first external area and a first compression area, and the first compression area is located at a side in a first direction of the first external area, wherein the first direction is parallel to the data line. The display panel further includes a plurality of first light-emitting units and a plurality of first pixel driving circuits.Type: ApplicationFiled: December 25, 2020Publication date: January 26, 2023Inventors: Kuo SUN, Guoqiang TANG, Weiyun HUANG, Ling SHI, Xuan PANG, Qifu RAN, Qiyang WU
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Patent number: 11538417Abstract: Embodiments of the present disclosure provide a light emission control shift register and method thereof, a gate driving circuit, and a display device. An input circuit outputs a signal of a signal input terminal to a first node. A first control circuit outputs a voltage of a first voltage terminal to a second node. A second control circuit transmits the voltage of the first voltage terminal to a third node. A third control circuit transmits the voltage of the first voltage terminal to a fourth node, and the third control circuit can further transmit the voltage of the second voltage terminal to the fourth node. A fourth control circuit transmits the voltage of the first voltage terminal to a signal output terminal, and the fourth control circuit can further transmit the voltage of the second voltage terminal to the signal output terminal.Type: GrantFiled: October 27, 2021Date of Patent: December 27, 2022Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Bo Yang, Chengchung Yang, Xiangfei He, Ling Shi
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Patent number: 11538870Abstract: Disclosed are a flexible display panel, a flexible display device and a deformation detection method thereof, used for detecting deformation of the flexible display panel. The flexible display panel provided by embodiments of the present disclosure includes a flexible substrate, a display device and a piezoelectric sensor arranged in a stacked mode. The piezoelectric sensor includes a first electrode, a second electrode, and a piezoelectric layer positioned between the first electrode and the second electrode; the piezoelectric sensor is configured to generate an electrical signal under the action of stress produced by bending the flexible display panel; and a signal processing chip in the flexible display device is configured to determine deformation parameters of the flexible display panel according to the electrical signal.Type: GrantFiled: March 17, 2020Date of Patent: December 27, 2022Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BEIJING BOE TECHNOLOGYInventors: Wenqiang Li, Ling Shi, Ke Liu, Bingqiang Gui
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Patent number: 11538379Abstract: The present disclosure provides a foldable display panel that includes a plurality of display areas, each of which includes a pixel array. The foldable display panel further includes a plurality of data transmission control signal lines and a plurality of data transmission control circuits corresponding to the plurality of display areas. Based on the plurality of data transmission control signal lines and the plurality of data transmission control circuits, the foldable display panel can provide data signals to the display area(s) for display in a time-division multiplexing manner. The present disclosure also relates to a driving method for driving the foldable display panel, a display device including the foldable display panel, and an electronic apparatus including the display device.Type: GrantFiled: November 29, 2021Date of Patent: December 27, 2022Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO, LTD., BOE TECHNOLOGY GROUP CO, LTD.Inventors: Ke Liu, Ling Shi, Yanqiang Wang, Yunhao Wang, Xiaoqi Ding
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Publication number: 20220399374Abstract: Provided is a display substrate. The display substrate includes including a base substrate having a first display region and a second display region; in the pixel circuit included in the pixels in the second display region, the conductive line connected to the metal layer is a transparent conductive line, and the transparent conductive line is disposed between the two existing insulating layers.Type: ApplicationFiled: December 14, 2020Publication date: December 15, 2022Inventors: Ling Shi, Yipeng Chen, Ke Liu, Fei Fang, Zhenhua Zhang, Xuewei Tian
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Patent number: 11514013Abstract: A computer-implemented method includes: reading a vector of a first table in a database, the vector including counts of a plurality of keywords in the first table, the plurality of keywords including a first keyword and a second keyword; determining a first custom attribute describing the first table, the first custom attribute having a vector including counts of at least a first portion of the plurality of keywords in the first table; determining a multiplier of the first custom attribute, the multiplier being a number of other tables that reference the first custom attribute; and revising the vector of the first table based on the first custom attribute.Type: GrantFiled: January 8, 2020Date of Patent: November 29, 2022Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Liang Lu, Sun Chun Hua, Jian Ling Shi, Yi Yang Ren, Chun Leng
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Patent number: 11507222Abstract: A displaying base plate and a displaying device, wherein the displaying base plate includes a displaying region, a binding region, and a fanout region located between the displaying region and the binding region, the fanout region includes a touch-controlling lead wire, a data lead wire, and at least one shielding wire located between the touch-controlling lead wire and the data lead wire, the at least one shielding wire includes a first shielding wire, and the first shielding wire is earthed or is connected to a constant electric potential.Type: GrantFiled: May 28, 2021Date of Patent: November 22, 2022Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Zhu Wang, Fei Fang, Weiqing Li, Zhenglong Yan, Ling Shi
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Patent number: 11501690Abstract: An array substrate, a method of driving an array substrate, and a display device are provided. The array substrate includes a display area, a slotting area, and a peripheral area, and the display area includes: a first area, which is in at least one side of the slotting area, and a second area which does not overlap with the first area. The array substrate includes a plurality of pixel units and a gate drive circuit. The gate drive circuit includes: a plurality of first shift register units, which are configured to drive a plurality of rows of pixel units in the first area, and a plurality of second shift register units which are configured to drive a plurality of rows of pixel units in the second area. A drive capability of a first shift register unit is lower than a drive capability of a second shift register unit.Type: GrantFiled: April 1, 2019Date of Patent: November 15, 2022Assignee: Beijing BOE Technology Development Co., Ltd.Inventors: Li Wang, Ling Shi
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Patent number: 11495644Abstract: A display apparatus, display device and control method thereof, and non-transient computer-readable storage medium are provided. The display apparatus includes a display substrate and an ultrasonic transducer. The ultrasonic transducer includes a receiving electrode layer, which is disposed between two opposite bottom surfaces of the display substrate, and other parts of the ultrasonic transducer are disposed outside the display substrate. The display substrate includes a first pixel circuit and a first light emitting device, and the first light emitting device and the receiving electrode layer are respectively connected with the corresponding output terminals of the first pixel circuit.Type: GrantFiled: February 24, 2021Date of Patent: November 8, 2022Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.Inventors: Ke Liu, Ling Shi, Bingqiang Gui, Hao Zhang
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Publication number: 20220352288Abstract: Provided are a display substrate, a preparation method thereof, and a display apparatus. The display substrate includes: a first display region and a second display region; the first display region includes a plurality of first pixels, wherein the first pixel includes a passive light-emitting device, the second display region includes a plurality of second pixels, wherein the second pixel includes an active light-emitting device and a pixel drive circuit electrically connected to the active light-emitting device. The first display region includes a plurality of first driving signal wire groups, each first driving signal wire group corresponds to a first pixel row. The first pixel row includes one row of the first pixels, and each first driving signal group includes a plurality of first driving signal wires.Type: ApplicationFiled: November 18, 2020Publication date: November 3, 2022Inventors: Yipeng CHEN, Ling SHI, Ke LIU, Zhenhua ZHANG