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公开(公告)号：US11372492B2
公开(公告)日：2022-06-28
申请号：US17095769
申请日：2020-11-12
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Jujian Fu
Abstract: Provided are a display panel and a display device. The display panel includes a first substrate, a first electrode layer, a first touch layer and multiple light-emitting units. The first electrode layer includes a first electrode, and the first electrode includes multiple first hollows. The first touch layer is arranged in a different layer from the first electrode layer and is insulated from the first electrode layer. The first touch layer includes multiple first touch electrodes, each of the first touch electrodes includes multiple touch electrode segments. An orthographic projection of at least one of the touch electrode segments on the first substrate falls within an orthographic projection of the first electrode on the first substrate, so that the first touch electrodes are at least partially overlapped with the first electrode in a direction perpendicular to a plane where the first substrate is located.
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公开(公告)号：US20220165993A1
公开(公告)日：2022-05-26
申请号：US17330438
申请日：2021-05-26
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Chuanli LENG
Abstract: Provided are a display panel and a display device. The display panel includes a substrate, a display function layer, a first function layer, a scattering structure and a light shielding structure. The display function layer is located on a side of the substrate. The first function layer is located on a side of the display function layer facing away from the substrate. The scattering structure is located between the display function layer and the first function layer in a direction perpendicular to a plane where the substrate is located. The scattering structure is located in the non-light emitting region. The light shielding structure is located in the non-light emitting region. The light shielding structure at least overlaps the scattering structure in the direction perpendicular to the plane where the substrate is located.
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公开(公告)号：US11335244B2
公开(公告)日：2022-05-17
申请号：US16916703
申请日：2020-06-30
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Ting Wang , Hongbo Zhou , Huangyao Wu
IPC: G09G3/32
Abstract: Disclosed are a display panel and a display device. The display panel includes multiple sub-pixels disposed on a side of a base substrate and multiple first electrode connecting pieces and second electrode connecting pieces. Each sub-pixel includes a pixel driving circuit and an LED element. At least part of adjacent rows of sub-pixels are provided with multiple spare LED element setting regions, the spare LED element setting regions being disposed on at least one side of each row of sub-pixels, and/or at least part of adjacent columns of sub-pixels are provided with the multiple spare LED element setting regions, the spare LED element setting regions being disposed on at least one side of each column of sub-pixels. Two adjacent sub-pixels on two sides of a spare LED element setting region are respectively a first sub-pixel and a second sub-pixel. The first electrode connecting piece electrically connected to the first sub-pixel and the first electrode connecting piece electrically connected to the second sub-pixel both extend to the spare LED element setting region between the first sub-pixel and the second sub-pixel and are insulated from each other. The spare LED element setting region is further provided with a spare second electrode connecting piece.
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公开(公告)号：US11315455B1
公开(公告)日：2022-04-26
申请号：US17324559
申请日：2021-05-19
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Liyuan Liu , Mengmeng Zhang , Zhengxia Lu
IPC: G09G3/00 , G09G3/3258
Abstract: The present disclosure provides a display panel, including: a display driving circuit; power signal lines connected to the display driving circuit; an external stress detection terminal; and a stress-detection-miss detection circuit, that first access ports of the external stress detection terminal are one-to-one connected to the power signal lines; a second access port of the external stress detection terminal is connected to the stress-detection-miss detection circuit; any one of the power signal lines transmits a power supply voltage during normal display of the display panel, and transmits a first high-voltage detection voltage from the first access ports during a stress image detection of the display panel; and the stress-detection-miss detection circuit includes: a prompt information path formed responding to a second high-voltage detection voltage from the second access port during the stress image detection, to generate prompt information responding to a low-voltage detection voltage from the second access port during a stress-detection-miss detection of the display panel.
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公开(公告)号：US20220123082A1
公开(公告)日：2022-04-21
申请号：US17514547
申请日：2021-10-29
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
IPC: H01L27/32 , G09G3/3233
Abstract: Disclosed are a display panel and a display device. The display panel includes a base substrate, a first transistor, a second transistor, a first conductive layer and a second conductive layer. A second source of the second transistor is connected to a second active layer of the second transistor through the first conductive layer, a second drain is connected to the second active layer through the second conductive layer, and a second gate of the second transistor is overlapped with a channel region, the first conductive layer and the second conductive layer are located in a non-channel region, a width W1 of a first gap between the first conductive layer and the second gate is greater than 0, a width of a second gap W2 between the second conductive layer and the second gate is greater than 0.
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Patent Agency Ranking
公开(公告)号：US11302246B2
公开(公告)日：2022-04-12
申请号：US16914490
申请日：2020-06-29
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Qitai Ji , Qingjun Lai , Xiao Li
Abstract: Provided are a pixel driving circuit, a driving method, a display panel and a display device. The pixel driving circuit includes: a data writing device, a voltage stabilizing storage device, a driving device and a light-emitting component; where the data writing device is configured for transmitting a data signal voltage; the driving device is configured for generating a driving current according to the data signal voltage transmitted by the data writing device; the voltage stabilizing storage device is configured for storing the data signal voltage transmitted to the driving device; the light-emitting component is configured for emitting light in response to the driving current generated by the driving device; where the voltage stabilizing storage device includes at least two voltage stabilizing storage sub-devices connected in parallel, each voltage stabilizing storage sub-device includes a capacitor, at least one of the voltage stabilizing storage sub-devices includes a switch device.
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67.发明申请公开(公告)号：US20220099865A1
公开(公告)日：2022-03-31
申请号：US17138457
申请日：2020-12-30
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Yuefeng Gu , Jiandong Wang , Xiongping Li
Abstract: Provided are a low reflection structure, a display panel, a display device, and a manufacturing method of a display panel. Related is the field of display technologies. The low reflection structure includes a first lens array, a second lens array, and a light blocking layer located between the first lens array and the second lens array. The first lens array includes multiple first convex lenses. The second lens array includes multiple second convex lenses. The light blocking layer includes a light blocking part and multiple light transmitting parts. The light blocking part at least partially surrounds the multiple light transmitting parts. An image focal plane of the first convex lens and an object focal plane of the second convex lens are within a same plane. A focus of each first convex lens of the multiple first convex lenses is located within a light transmitting part of the multiple light transmitting parts.
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公开(公告)号：US11282461B2
公开(公告)日：2022-03-22
申请号：US17017587
申请日：2020-09-10
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Jieliang Li , Yong Yuan , Wanming Huang
IPC: G09G3/3258 , G09G3/3233 , G09G3/3266
Abstract: A display device includes a pixel driving circuit and a light-emitting element. The pixel driving circuit includes an initialization signal terminal, a data signal terminal, a first initialization unit, a driving module and a first light-emitting control unit. The first initialization unit is electrically connected between the initialization signal terminal and an anode of the light-emitting element. In a write frame, the first initialization unit is configured to, under control of a first scan signal, provide the anode of the light-emitting element with a first initialization voltage signal Vref1. In a maintenance frame, the first initialization unit is configured to, under the control of the first scan signal, provide the anode of the light-emitting element with a second initialization voltage signal Vref2 which is different from the first initialization voltage signal Vref1.
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公开(公告)号：US11276675B2
公开(公告)日：2022-03-15
申请号：US17006922
申请日：2020-08-31
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
IPC: H01L27/14 , H01L29/04 , H01L29/15 , H01L31/036 , H01L25/16
Abstract: A display panel includes an array substrate and light-emitting diodes including display light-emitting diodes. A display area includes sub-pixel regions including display sub-pixel regions and backup sub-pixel regions. In each of first and second directions, the display sub-pixel regions and the backup sub-pixel regions are arranged alternately. Display anode and cathode are provided in each display sub-pixel region. Backup anode and cathode are provided in at least one backup sub-pixel region. The display anode located in one display sub-pixel region is connected to the backup anodes of at least two backup sub-pixel region, and/or, at least two backup anodes provided in one backup sub-pixel region are electrically connected to the display anodes of at least two display sub-pixel regions, respectively. A positive pin of the display light-emitting diode is bonded to the display anode, and a negative pin thereof is bonded to the display cathode.
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公开(公告)号：US20220066517A1
公开(公告)日：2022-03-03
申请号：US17523934
申请日：2021-11-11
Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
Inventor： Zhuo DENG , Poping SHEN
Abstract: A display panel and a display device are provided. A first main support column and an auxiliary support column are provided between the first substrate and the second substrate in the frame area, and a length of the first main support column is greater than a length of the auxiliary support column. The second substrate includes the base, and further includes the first surface and the second surface located on a side of the second substrate facing the first substrate in the frame area. A height from the second surface to the base is greater than a height from the first surface to the base. An orthographic projection of the first main support column on the base is located within an orthographic projection of the first surface on the base.
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