Patents by Inventor Yangzhao Ma
Yangzhao Ma 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: 20220254861Abstract: Provided are an organic light-emitting display panel and a display device. The organic light-emitting display panel includes: a plurality of organic light-emitting units, a first display area and a second display area. The plurality of organic light-emitting units includes first organic light-emitting units in the first display area and second organic light-emitting units in the second display area. The first organic light-emitting units share a first cathode. The second organic light-emitting units include at least one organic light-emitting unit group, each of the at least one organic light-emitting unit group includes at least one organic light-emitting unit. The at least one organic light-emitting unit in a same organic light-emitting unit group shares a second cathode. The second cathode has a zigzag edge segment.Type: ApplicationFiled: April 27, 2022Publication date: August 11, 2022Inventors: Ruili Cui, Yangzhao Ma, Jiazhu Zhu, Yongzhi Wang, Shanfu Yuan, Yingjie Chen, Tao Peng, Ruiyuan Zhou
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Patent number: 11411056Abstract: A display panel and a display device are provided in the present disclosure. The display panel includes a display region including a first display region and a photo-sensitive element disposing region. The photo-sensitive element disposing region includes a light-transmitting region and a light-blocking region. The display panel further includes a base substrate and a plurality of pixel units on the base substrate. The light-blocking region includes at least one pixel unit which includes a plurality of sub-pixels. Along a direction perpendicular to a plane of the base substrate, the light-blocking region at least includes a first convex arced edge.Type: GrantFiled: April 3, 2020Date of Patent: August 9, 2022Assignee: Wuhan Tianma Micro-Electronics Co., Ltd.Inventors: Yangzhao Ma, Zhiqiang Xia, Xingxing Yang
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Publication number: 20220223101Abstract: A display panel and a display device are provided in the present disclosure. The display panel includes a plurality of pixels, including first pixels and second pixels, where each of the first pixels includes a first light-emitting element connected with a first pixel circuit; the first pixel circuit includes a first drive transistor; each of the second pixels includes a second light-emitting element connected with a second pixel circuit; and the second pixel circuit includes a second drive transistor. The display panel further includes a display region, including an optical component region and a first display region, where the first light-emitting element is in the optical component region; the second light-emitting element is in the first display region.Type: ApplicationFiled: March 31, 2022Publication date: July 14, 2022Inventors: Fengyun WU, Yawei WANG, Dongxu XIANG, Yangzhao MA
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Patent number: 11355575Abstract: Provided are an organic light-emitting display panel and manufacturing method thereof, a display device and a mask. The organic light-emitting display panel includes: multiple organic light-emitting units, a photosensitive module setting area, a display area surrounding the photosensitive module, and a bezel area surrounding the display area. The display area includes a first display area and a second display area. Organic light-emitting units in the first display area share a first cathode. Organic light-emitting units in the same group in the second display area share a second cathode. Two adjacent second cathodes are separated by a first gap. The bezel area extends to the photosensitive module setting area by the first gap.Type: GrantFiled: December 30, 2019Date of Patent: June 7, 2022Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Ruili Cui, Yangzhao Ma, Jiazhu Zhu, Yongzhi Wang, Shanfu Yuan, Yingjie Chen, Tao Peng, Ruiyuan Zhou
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Publication number: 20220173169Abstract: A display panel includes a display region and a non-display region. The display region includes a first display region and at least one second display region. The first display region at least partially surrounds the at least one second display region. Each second display region of the at least one second display region includes at least two semi-transparent regions and a spacing region disposed between adjacent semi-transparent regions. The display region is provided with a plurality of sub-pixels and pixel driving circuits electrically connected to the plurality of sub-pixels. Pixel driving circuits electrically connected to the sub-pixels in each semi-transparent region of the at least two semi-transparent regions are at least partially disposed in the first display region and the spacing region.Type: ApplicationFiled: March 18, 2021Publication date: June 2, 2022Inventors: Min CAI, Zhiqiang XIA, Yangzhao MA
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Patent number: 11335246Abstract: A display panel and a display device are provided in the present disclosure. The display panel includes first pixels and second pixels, and further includes a display region including an optical component region and a regular display region. First light-emitting elements are in the optical component region; second light-emitting elements are in the regular display region; and a density of the light-emitting elements in the optical component region is less than a density of the light-emitting elements in the regular display region. The first pixels include first blue pixels, first red pixels, and first green pixels; a width-to-length ratio of a first drive transistor corresponding to a first blue pixel is R1, a width-to-length ratio of a first drive transistor corresponding to a first red pixel is R2, and a width-to-length ratio of a first drive transistor corresponding to a first green pixel is R3, where R1>R2>0 and/or R1>R3>0.Type: GrantFiled: September 14, 2020Date of Patent: May 17, 2022Assignee: Wuhan Tianma Micro-Electronics Co., Ltd.Inventors: Fengyun Wu, Yawei Wang, Dongxu Xiang, Yangzhao Ma
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Publication number: 20220149123Abstract: A display panel is provided in the present disclosure. The display panel includes a first display region and a second display region, and a first substrate including a first base substrate. The first display region includes: a plurality of organic light-emitting elements on the first base substrate, a first sub-display region and a second sub-display region. The first sub-display region includes a plurality of first sub-light-transmitting holes. The plurality of first sub-light-transmitting holes do not overlap the plurality of organic light-emitting elements along a direction perpendicular to a plane of the first base substrate, and the plurality of first sub-light-transmitting holes are non-rectangular. The second sub-display region includes a plurality of second sub-light-transmitting holes.Type: ApplicationFiled: January 21, 2022Publication date: May 12, 2022Inventors: Yujiao LIANG, Yangzhao MA
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Publication number: 20220123058Abstract: A display panel, a display apparatus and a method for manufacturing the display panel are provided. The display panel has a first display region and an optical component region. The first display region surrounds at least a part of the optical component region. The optical component region includes a pixel region and a non-pixel region. The display panel includes a first electrode and a first light-emitting module that are located in the pixel region, and at least one second electrode and a first support member that are located in the non-pixel region. One first electrode covers the first light-emitting module along a thickness direction of the display panel. One second electrode is bridged between two adjacent first electrodes. The first support member overlaps with one of the at least one second electrode along the thickness direction of the display panel.Type: ApplicationFiled: December 27, 2021Publication date: April 21, 2022Applicant: WUHAN TIANMA MICROELECTRONICS CO., LTD.Inventors: Hao Dai, Yangzhao Ma
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Publication number: 20220102438Abstract: Disclosed are a display panel and a display device. The display panel includes pixel repetitive units arranged in an array. Each pixel repetitive unit includes two first sub-pixels, two second sub-pixels and four third sub-pixels. In the display panel, a first sub-pixel is located among the four third sub-pixels, a second sub-pixel is located among the four third sub-pixels, and a third sub-pixel is simultaneously located between the two first sub-pixels and between the two second sub-pixels. Centers of the four third sub-pixels surrounding the first sub-pixel constitute a first irregular quadrangle, where lengths of each pair of opposite edges of the first irregular quadrangle 21 are not equal. Embodiments of the present disclosure may improve the display effect of the display panel.Type: ApplicationFiled: December 13, 2021Publication date: March 31, 2022Applicant: WUHAN TIANMA MICROELECTRONICS CO., LTD.Inventors: Lu XIAO, Yangzhao MA, Minhong KIM, Zhiqiang XIA
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Publication number: 20220102421Abstract: Display panels and display devices are provided. The display panel may include a first display area, a second display area and a third display area with a light transmittance of the first display area being greater than a light transmittance of the third display area; first pixel circuits; second pixel circuits; third pixel circuits; first light-emitting units, second light-emitting units; third light-emitting units; and first signal lines extending along a first direction and spaced apart along a second direction intersecting the first direction. Each first signal line is connected with one or more first pixel circuits, one or more second pixel circuits and one or more third pixel circuit, and the one or more first pixel circuit and the one or more third pixel circuit electrically connected to each of at least one portion of first signal lines are misaligned along the first direction.Type: ApplicationFiled: December 16, 2020Publication date: March 31, 2022Inventors: Xingxing YANG, Yangzhao MA, Guofeng ZHANG
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Publication number: 20220093038Abstract: Provided is a display panel and a display apparatus, the display panel includes a first display area including a plurality of first light-emitting devices and a plurality of first pixel driving circuits; and a light-transmitting display area including a plurality of second light-emitting devices and a plurality of second pixel driving circuits. Each of the plurality of light-emitting devices is electrically connected to one of the plurality of first pixel driving circuits. Each of the second light-emitting devices is electrically connected to one of the plurality of second pixel driving circuits. The second pixel driving circuits electrically connected to the second light-emitting devices in at least two columns are located in the same column. The second pixel driving circuits located in the same column and connected to the second light-emitting devices in different columns are respectively connected to different data signal wires.Type: ApplicationFiled: November 30, 2021Publication date: March 24, 2022Inventors: Xingxing YANG, Yangzhao MA
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Publication number: 20220077265Abstract: A display panel and a display apparatus are provided. The display panel includes has a display region including an optical component setting region. The optical component setting region includes pixel regions, and a light transmission region is formed between adjacent pixel regions. The display panel includes pixels located in the display region, each pixel includes a pixel circuit and an organic light-emitting element, and the pixel circuit includes transistors. The transistors include first and second reset transistors and a drive transistor. The pixel circuits include first pixel circuit located in the optical component setting region, and a gate of the first reset transistor of the first pixel circuit is electrically connected to a gate of the second reset transistor of the first pixel circuit.Type: ApplicationFiled: November 18, 2021Publication date: March 10, 2022Inventors: Yangzhao Ma, Meihong Wang, Hao Dai, Pengcheng Mu, Lida Li
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Patent number: 11271053Abstract: A display panel and a display device are provided in the present disclosure. The display panel includes a first display region and a second display region surrounding the first display region, and further includes a first substrate, including a first base substrate. The first display region includes a plurality of light-emitting units on the first base substrate, where a light-emitting unit of the plurality of light-emitting units includes an organic light-emitting element and a drive circuit configured to drive the organic light-emitting element to emit light. The first display region further includes a plurality of first light-transmitting holes, where the plurality of first light-transmitting holes do not overlap the plurality of light-emitting units along a direction perpendicular to a plane of the first base substrate, and the plurality of first light-transmitting holes are non-rectangular. The first display region further includes a first sub-display region and a second sub-display region.Type: GrantFiled: April 17, 2020Date of Patent: March 8, 2022Assignee: Wuhan Tianma Micro-Electronics Co., Ltd.Inventors: Yujiao Liang, Yangzhao Ma
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Publication number: 20220069031Abstract: Provided are a display panel, a preparation method, and a display device. The display panel includes a plurality of first sub-pixels, a plurality of second sub-pixels, and a plurality of third sub-pixels. The plurality of third sub-pixels forms a first virtual trapezoid, and one of the plurality of first sub-pixels is located inside the first virtual trapezoid. The plurality of first sub-pixels and the plurality of second sub-pixels form a second virtual trapezoid, and one of the plurality of third sub-pixels is located inside the second virtual trapezoid. The first virtual trapezoid includes a first long side, a first oblique side, a first short side, and a second oblique side. The second virtual trapezoid includes a second long side, a third oblique side, a second short side, and a fourth oblique side.Type: ApplicationFiled: November 9, 2021Publication date: March 3, 2022Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.Inventors: Qin YUE, Wei HUANG, Lu XIAO, Yangzhao MA, Zhongjie ZHANG
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Publication number: 20220069047Abstract: A display panel includes a first display region, a second display region partially surrounding the first display region, and a third display region partially surrounding the first and second display regions. The first display region has a larger light transmittance than the third display region, and the first display region includes an effective light-transmission region and a wiring region located on at least one side of the effective light-transmission region. The display panel includes first and second pixel circuits in the second display region; third pixel circuits in the third display region; first data lines, connected to the first and third pixel circuits; and second data lines, connected to the second and third pixel circuits. Each first data line includes a first sub-data line in the wiring region, a second sub-data line in the second display region, and a third sub-data line in the third display region.Type: ApplicationFiled: March 5, 2021Publication date: March 3, 2022Inventors: Xingxing YANG, Yangzhao MA, Zhiqiang XIA
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Publication number: 20220045155Abstract: A display panel and a display device are provided. A display area of the display panel includes an optical component area and a regular display area, and the optical component area and the regular display area both include light-emitting devices, so that the area of the display area becomes larger to meet the trend of full screen display. In the optical component area, a transparent conductive layer includes paired first and second etching slots, a connection wire arranged between the paired first and second etching slots, and an auxiliary layer arranged outside the paired first and second etching slots.Type: ApplicationFiled: November 25, 2020Publication date: February 10, 2022Inventors: Yangzhao MA, Zhiqiang XIA
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Publication number: 20220036808Abstract: A display panel and a display device are provided in the present disclosure. The display panel includes first pixels and second pixels, and further includes a display region including an optical component region and a regular display region. First light-emitting elements are in the optical component region; second light-emitting elements are in the regular display region; and a density of the light-emitting elements in the optical component region is less than a density of the light-emitting elements in the regular display region. The first pixels include first blue pixels, first red pixels, and first green pixels; a width-to-length ratio of a first drive transistor corresponding to a first blue pixel is R1, a width-to-length ratio of a first drive transistor corresponding to a first red pixel is R2, and a width-to-length ratio of a first drive transistor corresponding to a first green pixel is R3, where R1>R2>0 and/or R1>R3>0.Type: ApplicationFiled: September 14, 2020Publication date: February 3, 2022Inventors: Fengyun WU, Yawei WANG, Dongxu XIANG, Yangzhao MA
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Publication number: 20220035408Abstract: A display panel and a display device are provided. The display panel has a display area including first and second display areas. First light-emitting units and first pixel circuits are provided in the first display area, and second light-emitting units and second pixel circuits are provided in the second display area. The second display area includes at least one light-shielding area and at least one light-transmitting area. At least one second pixel circuit of the second pixel circuits is located in the at least one light-shielding area, and at least one second light-emitting unit of the second light-emitting units is located in the at least one light-transmitting area. One of the at least one second light-emitting unit is connected to one of the at least one second pixel circuit through one of anode connection lines.Type: ApplicationFiled: October 19, 2021Publication date: February 3, 2022Applicant: WuHan TianMa Micro-electronics CO., LTDInventors: Yangzhao MA, Xingxing YANG, Zhiqiang XIA, Ruiyuan ZHOU
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Publication number: 20220028950Abstract: Provided are a display panel and a display device. The display panel includes an optical component area and a conventional display area. A base substrate includes multiple pixels, and each pixel includes a light-emitting device and a pixel driving circuit which is electrically connected to the light-emitting device. The light-emitting devices includes first light-emitting devices and second light-emitting devices. The conventional display area is provided with the first light-emitting devices; and the optical component area is provided with the second light-emitting devices. The optical component area includes a first optical component area and a second optical component area. The first optical component area includes a first light-transmitting area and multiple first light-shielding areas. The second optical component area includes a second light-transmitting area and multiple second light-shielding areas.Type: ApplicationFiled: October 5, 2021Publication date: January 27, 2022Inventor: Yangzhao MA
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Patent number: 11227538Abstract: Provided is a display panel and a display apparatus, the display panel includes a regular display area including first pixel units and first pixel driving circuits, and a light-transmitting display area including second pixel units and second pixel driving circuits; the first pixel units include first light-emitting devices electrically connected to the first pixel driving circuits; the second pixel units have smaller density than the first pixel units, and the second pixel units in adjacent rows are arranged in a staggered manner; the second pixel unit includes second light-emitting devices electrically connected to the second pixel driving circuits; the second pixel driving circuits electrically connected to the second light-emitting devices in at least two columns are located in the same column, and the second pixel driving circuits in the same column and connected to the second light-emitting devices in different columns are respectively connected to different data signal wires.Type: GrantFiled: September 29, 2020Date of Patent: January 18, 2022Assignee: WuHan TianMa Micro-Electronics Co., Ltd.Inventors: Xingxing Yang, Yangzhao Ma