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公开(公告)号：US12274138B2
公开(公告)日：2025-04-08
申请号：US18156376
申请日：2023-01-18
Applicant: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
Inventor： Yangzhao Ma , Zhiqiang Xia
IPC: H10K59/123 , H10K59/121 , H10K59/131 , H01L27/12
Abstract: 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.
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公开(公告)号：US12198622B2
公开(公告)日：2025-01-14
申请号：US17791029
申请日：2021-06-29
Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.
Inventor： Yangzhao Ma , Hao Dai
IPC: G09G3/3233
Abstract: 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.
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公开(公告)号：US11688828B2
公开(公告)日：2023-06-27
申请号：US17239663
申请日：2021-04-25
Applicant: WuHan TianMa Micro-Electronics Co., Ltd.
Inventor： Yangzhao Ma , Ruiyuan Zhou , Yingjie Chen
IPC: H01L33/24 , H01L25/075 , H01L33/62 , H01L31/14
CPC classification number: H01L33/24 , H01L25/0753 , H01L33/62 , H01L31/14
Abstract: A display panel and a display device. The display panel includes a display area. The display area includes pixels in an array, pixels include at least three sub-pixels of different colors; display area includes a general display area, a transition display area, a photosensitive device setting area, general display area surrounds at least a part of transition display area, transition display area surrounds photosensitive device setting area; in transition display area, sub-pixels include display sub-pixels and virtual sub-pixels, sub-pixels include pixel circuits and light-emitting units, light-emitting units are electrically connected to pixel circuits in display sub-pixels, light-emitting units are insulated from pixel circuits in virtual sub-pixels; in photosensitive device setting area, sub-pixels include display sub-pixels; a setting density of display sub-pixels in transition display area is higher than that of the display sub-pixels in photosensitive device setting area, and lower than that of the display sub-pixels in general display area.
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公开(公告)号：US10719686B2
公开(公告)日：2020-07-21
申请号：US16173048
申请日：2018-10-29
Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.
Inventor： Yangzhao Ma , Tao Peng , Yongzhi Wang
Abstract: Provided are a display panel and a display device. The display panel includes an array substrate, a fingerprint recognition module and a fingerprint recognition light source. The array substrate includes a base substrate, a driving functional layer and a light-emitting functional layer. Light emitted from the fingerprint recognition light source is reflected by a touch object and then received by the fingerprint recognition unit. At least one of the fingerprint recognition module and the fingerprint recognition light source is located at a side of the base substrate facing away from the driving functional layer. The driving functional layer includes a plurality of driving units. The plurality of driving units comprise first driving units in the first region and second driving units in the second region.
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公开(公告)号：US20190325190A1
公开(公告)日：2019-10-24
申请号：US16230290
申请日：2018-12-21
Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.
Inventor： Ruili Cui , Yangzhao Ma , Yongzhi Wang , Tao Peng
Abstract: Disclosed are a display panel and a display apparatus. The display panel includes: an array substrate and a plurality of pixel units disposed on the array substrate; at least one fingerprint identification unit disposed on the array substrate and configured to perform fingerprint identification according to light reflected by a touch body; and a display region and a non-display region surrounding the display region. The display region includes a first region and a second region. The fingerprint identification units arc disposed in the first region. On a side or the fingerprint identification unit facing towards a light emitting surface of the display panel, an area of a non-light transmittance region in per unit area of the first region is smaller than an area of a non-light transmittance region in per unit area of the second region.
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Patent Agency Ranking
公开(公告)号：US10367052B2
公开(公告)日：2019-07-30
申请号：US16161081
申请日：2018-10-16
Applicant: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
Inventor： Chunpeng Zhang , Bo Li , Yangzhao Ma
IPC: H01L27/32 , G09G3/3225
Abstract: A display panel and a display device are provided. A display region is divided into a first display region and at least one second display region smaller than the first display region. The display panel includes compensation lines and to-be-compensated lines located in the display region. Each compensation line is electronically connected with one to-be-compensated line, an orthographic projection of the compensation line on the substrate is overlapped with an orthographic projection of one power supply line on the substrate, and a capacitance is formed between the compensation line and the power supply line, or each compensation line is electronically connected with one power supply line, an orthographic projection of the compensation line on the substrate is overlapped with an orthographic projection of one to-be-compensated line on the substrate, and a capacitance is formed between the compensation line and the to-be-compensated line.
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公开(公告)号：US12002843B2
公开(公告)日：2024-06-04
申请号：US17378138
申请日：2021-07-16
Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.
Inventor： Meihong Wang , Yangzhao Ma
CPC classification number: H01L27/156 , G09G3/32 , H01L33/387 , H01L33/405 , H01L33/42 , H01L33/62
Abstract: Disclosed are a display panel and a display device. The display panel includes a display region, multiple pixels and a substrate. The display region includes an optical component region and a first display region. The multiple pixels include a first pixel and a second pixel, the first pixel includes a first light-emitting element located in the optical component region, and the second pixel includes a second light-emitting element located in the first display region. The optical component region includes an anode connecting line segment, the first light-emitting element includes a first anode, and the anode connecting line segment is electrically connected to the first anode; and in a direction perpendicular to a plane where the substrate is located, an area of the first anode is S1 and an electrical connection area of the first anode and the anode connecting line segment is S2, where 5%
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公开(公告)号：US11699389B2
公开(公告)日：2023-07-11
申请号：US17709801
申请日：2022-03-31
Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.
Inventor： Fengyun Wu , Yawei Wang , Dongxu Xiang , Yangzhao Ma
CPC classification number: G09G3/32 , G09G3/2003 , G09G2300/0452 , G09G2310/027
Abstract: 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.
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公开(公告)号：US11609610B2
公开(公告)日：2023-03-21
申请号：US17505038
申请日：2021-10-19
Applicant: WuHan TianMa Micro-electronics CO., LTD
Inventor： Yangzhao Ma , Xingxing Yang , Zhiqiang Xia , Ruiyuan Zhou
Abstract: 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.
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公开(公告)号：US11599151B2
公开(公告)日：2023-03-07
申请号：US17338785
申请日：2021-06-04
Applicant: WuHan TianMa Micro-electronics CO., LTD
Inventor： Yangzhao Ma , Ruiyuan Zhou , Yingjie Chen
Abstract: A display panel and a display device are provided. The display panel includes first display region and second display region at least partially surrounding the first display region. In the first display region, along a row direction, the first pixel unit in the first pixel unit row is between two adjacent second pixel units in the second pixel unit row, and the second pixel unit in the second pixel unit row is between two adjacent first pixel units in the first pixel unit row. The first pixel circuit and the second pixel circuit are connected to a same first or second signal line. The first pixel unit connected to the first pixel circuit and the second pixel unit connected to the second pixel circuit are located in adjacent rows or columns.
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