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).
-
Patent number: 12387671Abstract: 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: GrantFiled: November 9, 2021Date of Patent: August 12, 2025Assignee: Wuhan Tianma Micro-Electronics Co., Ltd.Inventors: Qin Yue, Wei Huang, Lu Xiao, Yangzhao Ma, Zhongjie Zhang
-
Patent number: 12374255Abstract: The present disclosure provides a display panel and a display apparatus, and relates to the technical field of displays.Type: GrantFiled: October 27, 2022Date of Patent: July 29, 2025Assignee: Wuhan Tianma Microelectronics Co., Ltd.Inventors: Yangzhao Ma, Hao Dai
-
Patent number: 12364142Abstract: A display panel and a display device are provided. The display panel includes a first display region, a first optical component region, and a second optical component region. The first optical component region and the second optical component region are arranged along a first direction. The first display region at least partially surrounds the first optical component region and the second optical component region. The first display region includes first signal lines extending along the first direction. Each of some first signal lines includes a first line segment and a second line segment. The first line segment and the second line segment are electrically connected through a first connection line; and at least a portion of line segments of the first connection line is arranged in layers different from the first line segment and the second line segment.Type: GrantFiled: February 17, 2023Date of Patent: July 15, 2025Assignee: Wuhan Tianma Micro-Electronics Co., Ltd.Inventors: Yangzhao Ma, Hao Dai
-
Publication number: 20250221219Abstract: A pixel arrangement structure, a display panel, and a display device are provided. The pixel arrangement structure includes first sub-pixels, second sub-pixels, and third sub-pixels. Two first sub-pixels arranged at opposite positions and two second sub-pixels arranged at opposite positions form a first virtual trapezoid, and centers of the two first sub-pixels and centers of the two second sub-pixels are respectively located on vertices of the first virtual trapezoid. One corresponding third sub-pixel is located inside the first virtual trapezoid. The third sub-pixel includes a first side and a second side respectively adjacent to the two first sub-pixels, and a third side and a fourth side respectively adjacent to the second sub-pixels. A length of the first side is not equal to a length of the second side, and/or, a length of the third side is not equal to a length of the fourth side.Type: ApplicationFiled: June 5, 2024Publication date: July 3, 2025Inventors: Shengxiong CHEN, Yangzhao MA, Qin YUE, Wei HUANG, Enxia WANG
-
Publication number: 20250204188Abstract: A display panel and a display apparatus are provided. The display panel includes pixel circuits, light-emitting devices, reset signal lines electrically connected to the pixel circuits, a first connection portion in a circuit region and each extending along a second direction, a substrate, and metal layers and a semiconductor layer. The reset signal lines extend along a first direction and include first reset signal lines in a first display region. The pixel circuits are electrically connected to the light-emitting devices. At least one first pixel circuit group is disposed in the circuit region, the first pixel circuit group includes at least two pixel circuits arranged along the second direction intersecting the first direction. The at least two pixel circuits are electrically connected to one first reset signal line through one first connection portion. The first connection portion is located in a same metal layer.Type: ApplicationFiled: March 3, 2025Publication date: June 19, 2025Applicant: Wuhan Tianma Microelectronics Co., Ltd.Inventors: Yangzhao MA, Meihong WANG, Hao DAI, Pengcheng MU, Lida LI
-
Patent number: 12324336Abstract: A display panel, a display device, and an evaporation device are provided. The display panel includes a plurality of pixel units arranged in an array. Each pixel unit includes four first sub-pixels, two second sub-pixels, and two third sub-pixels. Centers of the two second sub-pixels and centers of the two third sub-pixels form a virtual isosceles trapezoid. The two second sub-pixels are located on both ends of a diagonal of the virtual isosceles trapezoid, and the two third sub-pixels are located on both ends of another diagonal of the virtual isosceles trapezoid. Centers of the four first sub-pixels form a virtual quadrilateral. An interior of the virtual quadrilateral includes one second sub-pixel of the two second sub-pixels, and an interior of the virtual isosceles trapezoid includes one first sub-pixel of the four first sub-pixels.Type: GrantFiled: April 15, 2022Date of Patent: June 3, 2025Assignee: Wuhan Tianma Micro-Electronics Co., Ltd.Inventors: Wei Huang, Lu Xiao, Qin Yue, Yangzhao Ma, Zhongjie Zhang
-
Publication number: 20250143110Abstract: Provided are a display panel and a display device. The display panel includes a display region and light-emitting elements. The display region includes a first display region and an optical component region. The light-emitting elements include first light-emitting elements and second light-emitting elements, where the first light-emitting elements are located in the first display region, and the second light-emitting elements are located in the optical component region. The first display region includes multiple pixel drive unit columns arranged along a first direction, the multiple pixel drive unit columns include a first pixel drive unit column, the first pixel drive unit column includes multiple first pixel driving circuits, and one of the multiple first pixel driving circuits is electrically connected to one of the second light-emitting elements.Type: ApplicationFiled: October 13, 2022Publication date: May 1, 2025Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.Inventors: Yangzhao MA, Hao DAI
-
Patent number: 12283211Abstract: A method and an apparatus for controlling displaying in a display panel. The display panel comprises a planar region and a curved edge region that is divided into multiple curved regions. The method includes: determining, for each curved region, a central pixel among all pixels in said curved region; determining multiple gray-scale combinations; determining chromaticity coordinates of the central pixel of each curved region under each gray-scale combination; determining reference chromaticity coordinates of a target pixel in the planar region under the maximum one of the gray-scale combinations; determining, for each curved region, a target gray-scale combination based on a difference between the reference chromaticity coordinates and the chromaticity coordinates of the central pixel of said curved region under each gray-scale combination; and controlling displaying in each curved region based on the target gray-scale combination of said curved region.Type: GrantFiled: March 11, 2024Date of Patent: April 22, 2025Assignee: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.Inventors: Yanfeng Wang, Qin Yue, Yangzhao Ma
-
Patent number: 12277901Abstract: Provided are a display panel and a display device. The display panel includes a first display region, a second display region, a first non-display region, a second non-display region, a third non-display region and multiple pixels. The first display region and the second display region form a display panel with an irregular shape, and the first non-display region, the second non-display region and the third non-display region are located in an irregular region of the display panel. A width of the first non-display region is a, a width of the second non-display region is b, a width of the third non-display region is c, and a preset difference value is m, where |a?b|?m, |c?b|?m, and |a?c|?m.Type: GrantFiled: February 6, 2024Date of Patent: April 15, 2025Assignee: Wuhan Tianma Microelectronics Co., Ltd.Inventors: Yangzhao Ma, Meihong Wang
-
Patent number: 12274138Abstract: A display panel and a display device. The display panel includes: a display area including an optical component area and a regular display area, a first light-emitting device is arranged in the optical component area, a second light-emitting device is arranged in the regular display area, the first light-emitting device is electrically connected with a first pixel circuit, and the second light-emitting device is electrically connected with a second pixel circuit; a transparent conductive layer arranged in the optical component area, the transparent conductive layer includes a connection wire, and the connection wire includes an electrode transition line electrically connected with the first light-emitting device; and a metal external connection line being electrically connected with the electrode transition line and the first pixel circuit respectively outside the optical component area. In the present disclosure, the display effect is ensured while the transparency of the optical component area is ensured.Type: GrantFiled: January 18, 2023Date of Patent: April 8, 2025Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Yangzhao Ma, Zhiqiang Xia
-
Patent number: 12268070Abstract: A display panel and a display apparatus are provided. The display panel includes pixel circuits, light-emitting device electrically connected to the pixel circuits, signal lines electrically connected to the pixel circuits and including signal transmitting lines each extending along a first direction, and a first connection portion located in a circuit region and each extending along a second direction. At least one pixel circuit group is disposed in the circuit region, each pixel circuit group includes at least two pixel circuits of the pixel circuits, and the at least two pixel circuits are arranged along the second direction intersecting the first direction. The at least two pixel circuits in one of the at least one pixel circuit group are electrically connected to one of the signal transmitting lines through the first connection portion.Type: GrantFiled: December 15, 2023Date of Patent: April 1, 2025Assignee: WuHan TianMa Micro-electronics CO., LTD.Inventors: Yangzhao Ma, Meihong Wang, Hao Dai, Pengcheng Mu, Lida Li
-
Patent number: 12250849Abstract: 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: GrantFiled: November 18, 2021Date of Patent: March 11, 2025Assignee: WUHAN TIANMA MICROELECTRONICS CO., LTD.Inventors: Yangzhao Ma, Meihong Wang, Hao Dai, Pengcheng Mu, Lida Li
-
Patent number: 12222751Abstract: 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. The second display region includes a plurality of light-transmitting hole combination regions. At least one light-transmitting hole group is disposed at each light-transmitting hole combination region; each light-transmitting hole group includes a plurality of light-transmitting holes; a boundary line of each light-transmitting hole is a closed arc; and centers of all light-transmitting holes in each light-transmitting hole group are distributed along a ring shape. The second display region further includes a plurality of pixels and a plurality of pixel drive circuits. Pixel drive circuits used for driving pixels in the light-transmitting hole combination region are first pixel drive circuits, and at least a portion of the first pixel drive circuits is at a region outside the light-transmitting hole combination region.Type: GrantFiled: April 6, 2020Date of Patent: February 11, 2025Assignee: Wuhan Tianma Micro-Electronics Co., Ltd.Inventors: Suli Hu, Yangzhao Ma, Zhiqiang Xia, Ruiyuan Zhou
-
Publication number: 20250040300Abstract: A display panel and a display device are provided. The display panel includes a display area, including a first display area and repeating units that including a first light-emitting element column, a second light-emitting element column, a third light-emitting element column and a fourth light-emitting element column. The second light-emitting element column and the fourth light-emitting element column each includes a third color light-emitting element, and third color light-emitting elements in the second light-emitting column and the fourth light-emitting element column are arranged in a staggered manner in the first direction. In a direction perpendicular to a plane of the display panel, a light-emitting element includes an anode, a light-emitting material layer and a cathode stacked in sequence; and in the first display area, in the direction perpendicular to the plane, in the third color light-emitting element, a shape of the anode includes an arc-shaped edge.Type: ApplicationFiled: March 8, 2024Publication date: January 30, 2025Inventors: Fengyun WU, Yangzhao MA
-
Publication number: 20250040389Abstract: The present disclosure provides a display panel, a formation method, and a display apparatus. The display panel includes a plurality of sub-pixels, where a sub-pixel includes a first sub-pixel, a second sub-pixel, and a third sub-pixel; and at least the first sub-pixel includes a first main sub-pixel and a first interference sub-pixel. The display panel includes a display mode and an anti-peep mode during operation. In the display mode, the first main sub-pixel emits light, and the first interference sub-pixel does not emit light. In the anti-peep mode, both the first main sub-pixel and the first interference sub-pixel emit light, where the first interference sub-pixel emits light at a wide viewing angle from a light-exiting surface, an angle between the large viewing angle and a first direction is greater than or equal to 30°, and the first direction is a direction perpendicular to a plane of the substrate.Type: ApplicationFiled: March 11, 2024Publication date: January 30, 2025Inventors: Yangzhao MA, Meihong WANG
-
Publication number: 20250040383Abstract: A display panel and a display apparatus are provided. The display panel includes a substrate, signal lines, a pixel definition layer having a first aperture corresponding to the first light-emitting element, and light-emitting elements at least including a first light-emitting element. The signal lines at least include a first signal line including a first portion and a second signal line including a second portion. An orthographic projection of the first aperture on the plane of the substrate has a first center line, and the orthographic projection of the first portion on the plane of the substrate and the orthographic projection of the second portion on the plane of the substrate are symmetrical about the first center line.Type: ApplicationFiled: October 16, 2024Publication date: January 30, 2025Inventors: Qin YUE, Yangzhao MA
-
Patent number: 12213340Abstract: 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: GrantFiled: December 27, 2021Date of Patent: January 28, 2025Assignee: WUHAN TIANMA MICROELECTRONICS CO., LTD.Inventors: Hao Dai, Yangzhao Ma
-
Patent number: 12198622Abstract: Provided are a display panel and a display device. The display panel includes a display area and pixel circuits. The display area includes a first display area and a second display area. The first display area is used as an optical element reservation area. The pixel circuits include a first pixel circuit and a second pixel circuit. The first display area includes minimum repeating units. One of the minimum repeating units includes first light-emitting elements of at least three different colors. Multiple first light-emitting elements include a light-emitting element of a first color, a light-emitting element of a second color, and a light-emitting element of a third color. The first pixel circuit is configured to drive first light-emitting elements to emit light. In at least one minimum repeating unit, at least two first light-emitting elements of at least one same color are electrically connected to a same first pixel circuit.Type: GrantFiled: June 29, 2021Date of Patent: January 14, 2025Assignee: Wuhan Tianma Micro-Electronics Co., Ltd.Inventors: Yangzhao Ma, Hao Dai
-
Publication number: 20240431183Abstract: A display module and a display device are provided. The display module includes a substrate and a light-emitting unit disposed on a side of the substrate. The light-emitting unit includes an opening region and a non-opening region surrounding the opening region. The display module also includes a transparent adjusting layer disposed on a side of the light-emitting unit away from the substrate. The transparent adjusting layer includes a first region and a second region surrounding the first region. In a direction perpendicular to a plane of the substrate, the first region at least partially overlaps with the opening region, and the second region at least partially overlaps with the non-opening region. A working process of the display module includes an anti-peeping stage, and in the anti-peeping stage, the first region is transparent, and the second region is non-transparent.Type: ApplicationFiled: September 1, 2023Publication date: December 26, 2024Inventors: Yangzhao MA, Meihong WANG
-
Publication number: 20240404443Abstract: The present disclosure provides a display panel and a display apparatus, and relates to the technical field of displays.Type: ApplicationFiled: October 27, 2022Publication date: December 5, 2024Applicant: WUHAN TIANMA MICROELECTRONICS CO., LTD.Inventors: Yangzhao MA, Hao DAI