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公开(公告)号：US20240243240A1
公开(公告)日：2024-07-18
申请号：US18410126
申请日：2024-01-11
Applicant: Japan Display Inc.
Inventor： Yoshinori AOKI
CPC classification number: H01L33/62 , H01L25/167
Abstract: A first wiring layer of a display device includes a first terminal pattern electrically connected to an anode electrode of an LED element and a second terminal pattern electrically connected to a cathode electrode. A second wiring layer includes a first conductor pattern made of light shielding metal and electrically connected to the first terminal pattern via a first contact hole and a second conductor pattern electrically connected to the second terminal pattern via a second contact hole. The second conductor pattern is arranged so as to be spaced apart from the first conductor pattern and surround a periphery of the first conductor pattern in plan view. A switching element (drive transistor) is covered with the second conductor pattern.
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公开(公告)号：US20230157075A1
公开(公告)日：2023-05-18
申请号：US18098740
申请日：2023-01-19
Applicant: Japan Display Inc.
Inventor： Yoshinori AOKI , Akihiro OGAWA , Masanobu IKEDA
IPC: H10K59/121 , H10K59/126 , H10K59/131
CPC classification number: H10K59/1213 , H10K59/126 , H10K59/131
Abstract: According to one embodiment, a display device comprises an insulating base, a light-emitting element, a pixel circuit including a first transistor, and a first shield that shields a part of the pixel circuit from light. The first transistor includes a first semiconductor layer, and a first gate electrode between the insulating base and the first semiconductor layer. The first shield is disposed between the insulating base and the first gate electrode in the thickness direction and overlaps a channel region where the first semiconductor layer and the first gate electrode intersect.
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公开(公告)号：US20220005833A1
公开(公告)日：2022-01-06
申请号：US17447958
申请日：2021-09-17
Applicant: Japan Display Inc.
Inventor： Yoshinori AOKI , Yasuhiro KANAYA , Akihiro OGAWA
Abstract: According to one embodiment, a display device includes a display panel including a display area for displaying an image, and the display panel includes an insulating substrate, a first electrode, a first organic insulating layer, an inorganic insulating layer, a pixel electrode, a second organic insulating layer, and a pad portion. The inorganic insulating layer includes a first opening for electrically connecting the first electrode to the pixel electrode. The second organic insulating layer includes a second opening for electrically connecting the pixel electrode to the pad portion. The pixel electrode is formed of a transparent conductive material.
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公开(公告)号：US20190384447A1
公开(公告)日：2019-12-19
申请号：US16552451
申请日：2019-08-27
Applicant: Japan Display Inc.
Inventor： Yoshinori AOKI
Abstract: A display device includes a first organic insulating layer covering video signal lines; a first metal layer provided above the first organic insulating layer; a first conductive layer provided above the first organic insulating layer and connected to a switching element via a first contact hole; a first inorganic insulating layer covering the first conductive layer and the first metal layer; a second conductive layer provided above the first inorganic insulating layer and connected to the first metal layer; a second inorganic insulating layer provided above the second conductive layer; a third conductive layer provided above the second inorganic insulating layer and connected to the first conductive layer via a second contact hole; and a fourth conductive layer provided above the second inorganic insulating layer, connected to the first metal layers via a third contact hole, and connected to the second conductive layer via a fourth contact hole.
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公开(公告)号：US20190146621A1
公开(公告)日：2019-05-16
申请号：US16183951
申请日：2018-11-08
Applicant: Japan Display Inc.
Inventor： Yoshinori AOKI , Hiroyuki ABE
Abstract: According to one embodiment, a touch panel display device includes sensor electrodes, an electrode driver, and lines for connection between the electrode driver and the sensor electrodes. The sensor electrodes include first and second electrodes. The lines include first and second lines connected to the first and second electrodes. The second line includes first portions drawn in a direction opposite to terminals of the electrode driver, and a second portion drawn in a direction to the terminals. The first portions are connected to one another via a coupling line.
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Patent Agency Ranking
公开(公告)号：US20150362777A1
公开(公告)日：2015-12-17
申请号：US14744804
申请日：2015-06-19
Applicant: Japan Display Inc.
Inventor： Yoshinori AOKI , Keita Sasanuma , Kazune Matsumura
IPC: G02F1/1333 , G06F3/044 , G02F1/1343
CPC classification number: G02F1/13338 , G02F1/134336 , G02F1/134363 , G02F1/136286 , G06F3/0412 , G06F3/044 , G06F2203/04111 , G09G3/3618 , G09G3/3655 , G09G2300/023 , G09G2300/0426 , G09G2300/0465
Abstract: A second substrate has detection electrodes of a touch panel, each of pixels has a pixel electrode and a counter electrode, the counter electrode is divided into a plurality of blocks, the counter electrodes of the respective divided blocks are commonly provided for the respective pixels of the plurality of display lines in series, and the counter electrodes also serve as scanning electrodes of the touch panel, and a counter electrode selector circuit that selects the counter electrodes. The counter electrode selector circuit includes an address decoder circuit that selects the counter electrodes of the respective blocks for a given period, and a selector circuit that applies a touch panel scanning voltage to the counter electrode of the block selected by the address decoder circuit, and applies a counter voltage to the counter electrodes of the blocks not selected by the address decoder circuit.
Abstract translation: 第二基板具有触摸面板的检测电极，每个像素具有像素电极和对电极，对电极被分成多个块，各个分割块的对置电极共同地为 多个显示线串联，并且对置电极也用作触摸面板的扫描电极，以及对电极选择器电路，其选择对置电极。 对电极选择电路包括一个地址解码器电路，其选择给定周期的各个块的对置电极;以及选择器电路，其向地址解码器电路选择的块的对置电极施加触摸屏扫描电压;以及 对地址解码电路未选择的块的对置电极施加反电压。
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公开(公告)号：US20150091954A1
公开(公告)日：2015-04-02
申请号：US14501099
申请日：2014-09-30
Applicant: Japan Display Inc.
Inventor： Takahiro OCHIAI , Yoshinori AOKI , Hideo SATO , Yoshihiro KOTANI , Youichi OOKI
IPC: G09G3/36
CPC classification number: G09G3/3648 , G09G3/3677 , G09G2300/0852 , G09G2310/0283 , G09G2310/0286 , G09G2310/08 , G09G2330/026 , G11C19/28
Abstract: A liquid crystal display device includes: pixel electrodes to each of which a potential corresponding to a gray-scale value is applied, for a plurality of pixels arranged in a matrix in a display area, via a pixel transistor of each of the pixels; a common electrode forming, in cooperation with the pixel electrode, an electric field to align a liquid crystal composition; a plurality of scanning signal lines each connected in common to gates of the pixel transistors of the plurality of pixels constituting each of a plurality of rows forming the matrix; and a driver circuit setting, after powering on and before displaying an image in the display area, the common electrode into a high impedance state and then setting the scanning signal line to an inactive potential to cut off a source and a drain of the pixel transistor from each other.
Abstract translation: 液晶显示装置包括：通过每个像素的像素晶体管，对于在显示区域中以矩阵排列的多个像素，施加与灰度值对应的电位的像素电极; 与像素电极协作形成用于使液晶组合物取向的电场的公共电极; 多个扫描信号线，分别与形成矩阵的多个行中的每一个的多个像素的像素晶体管的公共端相连; 以及驱动器电路设置，在上电之后并且在显示区域中显示图像之前，将公共电极设置为高阻抗状态，然后将扫描信号线设置为无效电位，以切断像素晶体管的源极和漏极 从彼此。
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公开(公告)号：US20240256067A1
公开(公告)日：2024-08-01
申请号：US18630161
申请日：2024-04-09
Applicant: Japan Display Inc.
Inventor： Hiroyuki ABE , Yoshinori AOKI , Kazune MATSUMURA , Masateru MORIMOTO
IPC: G06F3/041 , G02F1/1333 , G02F1/1343 , G06F3/044 , G09G3/36
CPC classification number: G06F3/0412 , G06F3/0416 , G06F3/044 , G06F3/0443 , G06F3/0446 , G02F1/13338 , G02F1/134309 , G02F2201/56 , G09G3/3648 , G09G2300/0413 , G09G2300/0426 , G09G2310/0232 , G09G2310/0281
Abstract: According to an aspect, a display device with a sensor includes: a substrate including a display region and a peripheral region on a periphery of the display region; detection electrodes arranged in a row-column configuration in the display region; and detection lines coupled to the respective detection electrodes. A shape of the substrate in a plan view includes a curve of a curved portion. The detection electrodes include a first electrode and a second electrode having a shape different from that of the first electrode in a plan view. The second electrode is juxtaposed with the curved portion. The detection lines each include a first line coupled to the first electrode and a second line coupled to the second electrode. The second line passes from the display region across the peripheral region and extends to a position overlapping with the second electrode in a plan view.
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公开(公告)号：US20230387374A1
公开(公告)日：2023-11-30
申请号：US18325145
申请日：2023-05-30
Applicant: Japan Display Inc.
Inventor： Yoshinori AOKI , Gen KOIDE
IPC: H01L33/62 , H01L27/15 , H01L27/12 , H01L25/16 , H01L25/075
CPC classification number: H01L33/62 , H01L27/156 , H01L27/124 , H01L25/167 , H01L25/0753
Abstract: According to one embodiment, a display device includes a display panel, a first wiring substrate, and a first conductive material. The display panel includes a basement located in a display area and a non-display area, a plurality of pixels arranged above the basement and located in the display area, a plurality of pads arranged above the basement and located in the non-display area, and a first power line arranged above the basement, located between the display area and the plurality of pads in the non-display area, and including the first connection surface.
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公开(公告)号：US20230360594A1
公开(公告)日：2023-11-09
申请号：US18353888
申请日：2023-07-18
Applicant: Japan Display Inc.
Inventor： Masanobu IKEDA , Yoshinori AOKI
CPC classification number: G09G3/32 , G09G3/204 , G09G3/2074 , G09G3/2077 , G09G2300/0452 , G09G2360/144 , G09G2300/0443 , G09G2360/16
Abstract: A display device includes a display area including a plurality of pixels, and a gradation control circuit configured to control a gradation of the pixel based on a gradation control mode. Each of the plurality of pixels includes first and second LED chips. One frame period of the gradation control mode includes a first to third subframe periods. In the first subframe period, the gradation of the pixel is controlled by a light emitting area of each of the first and second LED chips. In the second subframe period, the gradation of the pixel is controlled by a light emission time of each of the first and second LED chips. In the third subframe period, the gradation of the pixel is controlled by a current value supplied to each of the first and second LED chips.
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