Patents by Inventor Benlian Wang
Benlian Wang 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: 20230048918Abstract: A display substrate and a display apparatus are provided. including a first side for displaying and a second side opposite the first side, a base substrate, a display area, at least one connection line and at least one transfer electrode. Each of the at least one connection line at least partially extends in a first direction and is connected to first power lines respectively connected to adjacent first pixel unit groups in a first display area in the first direction; and each of the at least one transfer electrode at least partially extends in the first direction and is connected to first signal lines that are respectively connected to the adjacent first pixel unit groups in the first display area in the first direction, film layers where at least part of the at least one transfer electrode and each of the at least one connection line are located are different.Type: ApplicationFiled: May 13, 2021Publication date: February 16, 2023Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yue LONG, Yudiao CHENG, Chao WU, Weiyun HUANG, Xingliang XIAO, Benlian WANG, Yao HUANG
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Patent number: 11569472Abstract: An electroluminescent display substrate and a manufacturing method thereof, and an electroluminescent display apparatus, are disclosed. The display substrate includes: a base substrate; an electroluminescent element on the base substrate, the electroluminescent element including a first electrode layer, a light-emitting layer and a second electrode layer which are disposed in sequence on the base substrate; an encapsulating layer disposed on the base substrate and covering the electroluminescent element; an aperture, the aperture at least penetrating the encapsulating layer; and at least one eave structure on the base substrate, the at least one eave structure surrounding the aperture, and being located between the aperture and the electroluminescent element. Each eave structure includes at least one undercut at one end of the eave structure close to the base substrate, and at least one of the light-emitting layer and the second electrode layer is disconnected at the at least one undercut.Type: GrantFiled: October 27, 2020Date of Patent: January 31, 2023Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yingsong Xu, Benlian Wang
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Publication number: 20230028312Abstract: The present disclosure provides a pixel circuit, a pixel driving method and a display device. The pixel circuit includes a first initialization circuit and a compensation circuit; the first initialization circuit is configured to write a first initial voltage into the driving control node under the control of an initial control signal; the compensation circuit is configured to control the driving control node to be connected to the first node under the control of a compensation control signal. The first initialization circuit or the compensation circuit includes an oxide thin film transistor; or, one of the first initialization circuit and the compensation circuit includes a low temperature polysilicon thin film transistor and an oxide transistor connected in series, and the other of the first initialization circuit and the compensation circuit includes an oxide thin film transistor.Type: ApplicationFiled: April 26, 2021Publication date: January 26, 2023Inventors: Benlian WANG, Yao HUANG, Weiyun HUANG, Ming HU
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Publication number: 20230026507Abstract: The present disclosure provides a pixel circuit, a pixel driving method and a display device. The pixel circuit includes a first initialization circuit and a compensation circuit; the first initialization circuit controls to provide a first initial voltage to the driving control node under the control of the first initial control signal; the compensation circuit controls the compensation node to be connected to the first node under the control of the compensation control signal; at least one of the first initialization circuit and the compensation circuit includes an oxide thin film transistor and a low temperature polysilicon thin film transistor connected in series.Type: ApplicationFiled: April 26, 2021Publication date: January 26, 2023Inventors: Ming HU, Benlian WANG, Yao HUANG, Weiyun HUANG
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Patent number: 11562697Abstract: A shift register unit, a scanning driving circuit, a display substrate and a display device. The shift register unit includes an output terminal, an output circuit and an output node control circuit. The output circuit is electrically coupled to a first output node, a second output node, a first voltage line, a second voltage line and the output terminal, respectively. The output node control circuit is electrically coupled to the first output node, the second output node, a third voltage line, a fourth voltage line, a fifth voltage line, a first clock signal line, a second clock signal line and an input terminal, respectively. At least one of a third voltage signal, a fourth voltage signal and a fifth voltage signal is different from a first voltage signal and ae second voltage signal.Type: GrantFiled: December 13, 2021Date of Patent: January 24, 2023Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yue Long, Benlian Wang, Yingsong Xu, Lili Du, Yao Huang, Yuanjie Xu, Tingliang Liu
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Publication number: 20230006028Abstract: The present disclosure relates to an organic electroluminescence display panel, a fabricating method thereof, and a corresponding display device. The organic electroluminescence display panel includes: a base substrate including a display area; a gate driving circuit and a plurality of pixel driving circuits located in the display area; and a plurality of top emission type of light-emitting units located in the display area. An orthographic projection of the gate driving circuit on the base substrate at least partially overlaps with an orthographic projection of the plurality of top emission type of light-emitting units on the base substrate.Type: ApplicationFiled: September 15, 2022Publication date: January 5, 2023Inventors: Youngyik KO, Wen TAN, Weiyun HUANG, Benlian WANG
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Publication number: 20230006005Abstract: A display substrate and a display device are provided. The display substrate includes a first sub-pixel, a second sub-pixel and a third sub-pixel; each sub-pixel includes a light-emitting region; in at least one of the first sub-pixel, the second sub-pixel and the third sub-pixel, vertex angles of the light-emitting region include a first corner and a second corner opposite to each other; a distance from an intersection of the extension lines or tangents of two sides forming the first corner to a center of the sub-pixel is greater than a distance from an intersection of two sides forming the second corner or the extension lines or tangents thereof to the center; the sub-pixel includes a first-type sub-pixel and a second-type sub-pixel; and in different types of sub-pixels, the direction of the vertex of the first corner pointing to the vertex of the second corner is different.Type: ApplicationFiled: May 27, 2021Publication date: January 5, 2023Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Benlian WANG, Hongjun ZHOU, Wei ZHANG, Weiyun HUANG, Ming HU
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Publication number: 20220399410Abstract: The present disclosure provides a display device and a manufacturing method thereof. The display device includes an imaging area and a display area on at least one side of the imaging area. The imaging area includes: a substrate; an image collection device on a side of the substrate, the image collection device including a photosensitive element and an optical element; a light blocking layer on a side of the substrate away from the image collection device, wherein the light blocking layer includes at least one of a light absorbing layer or a diffuse reflection layer, and the light blocking layer is provided with a first gap; and a plurality of first electrodes on a side of the light blocking layer away from the substrate, wherein a second gap is provided between two adjacent first electrodes of the plurality of first electrodes.Type: ApplicationFiled: February 25, 2021Publication date: December 15, 2022Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Bo SHI, Weiyun HUANG, Benlian WANG, Haigang QING
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Patent number: 11526225Abstract: A touch structure includes at least one touch electrode strip, and each touch electrode strip includes a plurality of electrically connected touch electrodes. At least one touch electrode includes a first conductive layer, a second insulating layer, a second conductive layer and at least one conductive connection portion. The first conductive layer includes at least one conductive unit. The second insulating layer covers the first conductive layer, and the second insulating layer is provided with at least one through hole therein to expose a portion of each first conductive unit. The second conductive layer is formed on the second insulating layer, and the second conductive layer includes at least one second conductive unit. Each conductive connection portion is disposed in one through hole, and two ends of the conductive connection portion are connected to one second conductive unit and one first conductive unit, respectively.Type: GrantFiled: July 21, 2020Date of Patent: December 13, 2022Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.Inventors: Yangpeng Wang, Benlian Wang, Weinan Dai
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Publication number: 20220392404Abstract: Provided are a pixel driving circuit, a driving method and a display panel. The pixel driving circuit includes a driving transistor, a storage sub-circuit, a data writing sub-circuit, an initialization sub-circuit, a first light-emission control sub-circuit, a second light-emission control sub-circuit and a light-emitting element. The data writing sub-circuit is configured to write a data signal to a first electrode of the driving transistor in response to a second scan signal. The storage sub-circuit is configured to store the data signal written by the data writing sub-circuit. The initialization sub-circuit is configured to apply a reset voltage of an initial voltage terminal to the light-emitting element in response to a first scan signal. The first light-emission control sub-circuit is configured to apply a voltage of a first power terminal to the first electrode of the driving transistor in response to a first light-emission signal.Type: ApplicationFiled: August 16, 2022Publication date: December 8, 2022Inventors: Yao HUANG, Yue LONG, Weiyun HUANG, Benlian WANG
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Publication number: 20220376000Abstract: The present disclosure relates to a terminal device, a display apparatus, a display panel, and a manufacturing method thereof, which is related to the field of display. The display panel includes a drive back plate, having a light transmitting region and a drive region at least partially surrounding the light transmitting region, wherein the drive region has a plurality of pixel circuits and at least includes first pixel circuits and second pixel circuits; a transfer layer, provided on a side of the drive back plate and including a plurality of layers of mutually insulated lead layers, wherein each of the lead layers includes a plurality of mutually insulated leads; each lead extends from the light transmitting region to the drive region and is connected to one of the first pixel circuits; a light emitting layer, provided on a side of the transfer layer away from the drive back plate.Type: ApplicationFiled: November 6, 2020Publication date: November 24, 2022Inventors: Lili DU, Yue LONG, Weiyun HUANG, Benlian WANG, Qiwei WANG, Yudiao CHENG
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Publication number: 20220376022Abstract: A display substrate, a manufacturing method thereof and a display device. In a plane parallel to the display substrate, the display substrate includes a plurality of sub-pixels, at least one sub-pixel includes a pixel driving circuit and a light emitting device connected to the pixel driving circuit, the pixel driving circuit at least includes a storage capacitor, a driving transistor and at least one switching transistor; in a plane perpendicular to the display substrate, the display substrate includes a semiconductor layer and a plurality of conductive layers; and a gate electrode of the driving transistor and a gate electrode of the at least one switching transistor are arranged on different conductive layers respectively.Type: ApplicationFiled: November 18, 2020Publication date: November 24, 2022Inventors: Lili DU, Benlian WANG, Yuanjie XU, Yue LONG, Yao HUANG
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Publication number: 20220376019Abstract: An array substrate and a display device. The array substrate includes a base substrate, a first electrode, a first insulating layer and a second electrode. The first electrode is on the base substrate; the first insulating layer is on a side of the first electrode away from the base substrate; the second electrode is on a side of the first insulating layer away from the first electrode. The second electrode is provided with a first through-hole and a slit communicated with the first through-hole and extending from the first through-hole to an edge of the second electrode, and an orthographic projection of the first electrode on the base substrate completely falls within an orthographic projection of the second electrode, the first through-hole and the slit on the base substrate. At this time, the first electrode, the second electrode, and the first insulating layer can constitute a capacitor.Type: ApplicationFiled: October 30, 2019Publication date: November 24, 2022Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Changlong YUAN, Benlian WANG, Yingsong XU, Xilei CAO
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Patent number: 11501708Abstract: Provided are a pixel driving circuit, a driving method and a display panel. The pixel driving circuit includes a driving transistor, a storage sub-circuit, a data writing sub-circuit, an initialization sub-circuit, a first light-emission control sub-circuit, a second light-emission control sub-circuit and a light-emitting element. The data writing sub-circuit is configured to write a data signal to a first electrode of the driving transistor in response to a second scan signal. The storage sub-circuit is configured to store the data signal written by the data writing sub-circuit. The initialization sub-circuit is configured to apply a reset voltage of an initial voltage terminal to the light-emitting element in response to a first scan signal. The first light-emission control sub-circuit is configured to apply a voltage of a first power terminal to the first electrode of the driving transistor in response to a first light-emission signal.Type: GrantFiled: June 23, 2021Date of Patent: November 15, 2022Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yao Huang, Yue Long, Weiyun Huang, Benlian Wang
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Publication number: 20220352278Abstract: An array substrate and a display device are disclosed. The array substrate includes a base substrate, a first conductive layer, a second conductive layer, and a third conductive layer. The first conductive layer is located on a side of the base substrate and includes a first conductive portion for forming a gate of a drive transistor and a second conductive portion for forming a first electrode of a capacitor; the second conductive layer is arranged on a side of the first conductive layer away from the base substrate, and includes a third conductive portion for forming a second electrode of the capacitor, and an orthographic projection of the third conductive portion on the base substrate and an orthographic projection of the second conductive layer on the base substrate at least partially overlap.Type: ApplicationFiled: November 18, 2020Publication date: November 3, 2022Inventors: Yuanjie XU, Benlian WANG, Yue LONG, Lili DU, Yao HUANG
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Publication number: 20220352259Abstract: The present disclosure provides a pixel array and a display device. The pixel array includes first sub-pixels, second sub-pixels and third sub-pixels; the first sub-pixels and the third sub-pixels are alternately arranged along a first direction to form first pixel groups, and are alternately arranged along a second direction to form third pixel groups; the second sub-pixels are arranged along the first direction to form second pixel groups, and are arranged along the second direction to form fourth pixel groups; wherein the first pixel groups and the second pixel groups are alternately arranged in the second direction; the third pixel groups and the fourth pixel groups are alternately arranged along the first direction; wherein a shape of the second sub-pixel includes a polygon, a plurality of sides of the polygon include straight lines or arcs, and the shape of the second sub-pixel includes at most one symmetry axis.Type: ApplicationFiled: October 30, 2020Publication date: November 3, 2022Inventors: Longhui XUE, Wei ZHANG, Benlian WANG, Ming HU, Quan SHI, Peng XU
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Publication number: 20220351671Abstract: The disclosure provides a pixel driving circuit and a display panel, and belongs to the field of display technology. In the pixel driving circuit, the data write sub-circuit is configured to write a data voltage to a first electrode of the driving sub-circuit in response to a first scan signal; the auxiliary function sub-circuit is configured to compensate a threshold voltage of the driving transistor; the reset sub-circuit is configured to initialize a first electrode of the light emitting device to be driven in response to a reset control signal, and the second light emitting control sub-circuit transmits the initialization signal to a second electrode of the driving sub-circuit in response to a second light emitting control signal; the first light emitting control sub-circuit is configured to write a first power voltage to the first electrode of the driving transistor in response to a first light emitting control signal.Type: ApplicationFiled: November 11, 2020Publication date: November 3, 2022Inventors: Yuanjie XU, Benlian WANG, Yue LONG, Yao HUANG, Lili DU
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Publication number: 20220352292Abstract: A display substrate and a display device including a base substrate, a plurality of first connection wirings, and a plurality of second connection wirings. The base substrate includes a display area including a first display area and a second display area, the first display area includes a plurality of first light-emitting devices and a plurality of second light-emitting devices, and the second display area includes a plurality of first pixel circuits and a plurality of second pixel circuits. At least a portion of the plurality of first connection wirings extends along a first direction, at least a portion of the plurality of second connection wirings extends along the first direction, at least a portion of the plurality of first connection wirings is located on a first side of a row provided with first electrodes of the plurality of first and second light-emitting devices in a second direction.Type: ApplicationFiled: May 13, 2021Publication date: November 3, 2022Inventors: Guobo YANG, Yue LONG, Feng WEI, Benlian WANG, Binyan WANG, Guoqiang TANG, Yao HUANG, Weiyun HUANG, Pinchao GU, Kuo SUN
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Publication number: 20220343862Abstract: The present disclosure provides display substrate and display device, and belongs to the field of display technology. The display substrate of the disclosure has mounting region, first display region adjacent to mounting region, and second display region surrounding first display region and/or mounting region. The display substrate comprises: substrate; driving circuit layer on substrate and comprising pixel driving circuits in first display region and second display region, and arrangement density of pixel driving circuits in second display region is less than that of pixel driving circuits in second display region; and light emitting devices in mounting region, first display region, and second display region, first electrode of each light emitting device being electrically coupled to a corresponding pixel driving circuit, and pixel driving circuit electrically coupled to first electrode of light emitting device in the mounting region being located in first display region.Type: ApplicationFiled: October 28, 2020Publication date: October 27, 2022Inventors: Yudiao CHENG, Benlian WANG, Meng LI, Weiyun HUANG, Yao HUANG
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Publication number: 20220336546Abstract: The present disclosure provides a pixel arrangement including five first sub-pixels located respectively at a central position and four vertex positions of a first virtual rectangle, four second sub-pixels located at respective central positions of four sides of the first virtual rectangle, and four third sub-pixels located in respective four second virtual rectangles, each of the second virtual rectangles being defined by a corresponding one of the four vertex positions of the first virtual rectangle, respective center positions of two adjacent sides of the four sides of the first virtual rectangle that contain the corresponding vertex position, and the center position of the first virtual rectangle, the four second virtual rectangles forming the first virtual rectangle, and wherein, among the four third sub-pixels, an area of at least one third sub-pixel is different from that of other third sub-pixel. A display panel including the pixel arrangement is also provided.Type: ApplicationFiled: July 7, 2022Publication date: October 20, 2022Inventors: Yangpeng WANG, Benlian WANG, Yang WANG, Haijun YIN, Haijun QIU, Yao HU, Weinan DAI