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公开(公告)号：US20240194659A1
公开(公告)日：2024-06-13
申请号：US18583038
申请日：2024-02-21
Applicant: Japan Display Inc.
Inventor： Yasuhiro KANAYA , Masanobu IKEDA
CPC classification number: H01L25/167 , H01L33/62 , G09G3/32
Abstract: A display device including a substrate, a plurality of pixels, a plurality of inorganic light-emitting elements, a flattening film, and an inorganic film. The pixels are arrayed on the substrate and display different colors. The inorganic light-emitting elements are provided to the respective pixels. The flattening film surrounds at least a side surface of the inorganic light-emitting element. The inorganic film covers the flattening film and the inorganic light-emitting element. The upper surface of the inorganic light-emitting element is exposed from the flattening film and is in contact with the inorganic film. Alternatively, the flattening film is provided covering the upper surface of the inorganic light-emitting element.
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公开(公告)号：US20240113174A1
公开(公告)日：2024-04-04
申请号：US18532505
申请日：2023-12-07
Applicant: Japan Display Inc. , MEIJO UNIVERSITY
Inventor： Masanobu IKEDA , Arichika ISHIDA , Satoshi KAMIYAMA , Motoaki IWAYA , Tetsuya TAKEUCHI
CPC classification number: H01L29/2003 , H01L21/02422 , H01L21/0254 , H01L21/02631 , H01L33/32
Abstract: A laminate includes an amorphous glass substrate, and an AlN layer formed on the amorphous glass substrate. The AlN layer is c-axis oriented on the amorphous glass substrate, a glass transition temperature (Tg) of the amorphous glass substrate is 720° C. to 810° C., a coefficient of thermal expansion (CTE) of the amorphous glass substrate is 3.5×10−6 [1/K] to 4.0×10−6 [1/K], and a softening point of the amorphous glass substrate is 950° C. to 1050° C.
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公开(公告)号：US20220334680A1
公开(公告)日：2022-10-20
申请号：US17855879
申请日：2022-07-01
Applicant: Japan Display Inc.
Inventor： Koji ISHIZAKI , Koji NOGUCHI , Masanobu IKEDA , Yasuyuki MATSUI
IPC: G06F3/044 , G02F1/1333 , G02F1/1343 , G06F3/041 , G02F1/1337
Abstract: There are provided a display panel with a touch detector that allows the touch detection electrodes to be less visible, a touch panel, and an electronic unit having the display panel with a touch detector. The display panel with a touch detector includes: a display layer including a plurality of display elements arranged side by side; and an electrode layer alternately segmented into first regions and second regions along a first direction, the electrode layer including a plurality of first slits arranged side by side to extend in a second direction, and a plurality of second slits each allowing an adjacent pair of the plurality of first slits in the second regions to be in communication with one another.
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公开(公告)号：US20220293579A1
公开(公告)日：2022-09-15
申请号：US17830470
申请日：2022-06-02
Applicant: Japan Display Inc.
Inventor： Akihiro OGAWA , Masanobu IKEDA , Yasuhiro KANAYA , Yoshinori AOKI
Abstract: A display device includes a substrate, a first light-emitting diode (LED) element and a second LED element provided to the substrate and configured to output light, a first signal line provided between the first LED element and the second LED element and electrically coupled to the first LED element, a second signal line provided between the first LED element and the second LED element and electrically coupled to the second LED element, gate wiring intersecting the first signal line and the second signal line, and anode wiring overlapping the gate wiring and electrically coupled to the first LED element and the second LED element. The anode wiring extends parallel to the gate wiring.
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公开(公告)号：US20220037303A1
公开(公告)日：2022-02-03
申请号：US17359657
申请日：2021-06-28
Applicant: Japan Display Inc.
Inventor： Yoshinori AOKI , Masanobu IKEDA
Abstract: A display device includes a display region in which a plurality of pixel portions is arranged in a matrix on a substrate, each of the plurality of pixel portions including an LED chip, a transistor, and a capacitor. Through the transistor, a first electrode of the LED chip is connected to a first wiring to which one of power supply voltages is supplied. A second electrode of the LED chip is connected to a second wiring to which another of the power supply voltages is supplied. A first electrode of the capacitor is connected to the first electrode of the LED chip. The plurality of pixel portions includes at least one first pixel portion which is located on an outermost periphery of the display region and at least one second pixel portion which is not located on the outermost periphery of the display region.
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Patent Agency Ranking
公开(公告)号：US20220005865A1
公开(公告)日：2022-01-06
申请号：US17481371
申请日：2021-09-22
Applicant: Japan Display Inc.
Inventor： Masanobu IKEDA , Hidemasa YAMAGUCHI
Abstract: A display device includes a substrate; a plurality of pixels provided on the substrate; and a plurality of inorganic light emitting elements provided on each of the pixels. The inorganic light emitting elements each include a semiconductor substrate having a first face facing the substrate and a second face provided in a convex shape on a side opposite from the first face; and a plurality of semiconductor nanowires provided on the first face, the semiconductor nanowires extending in a direction perpendicular to the first face.
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公开(公告)号：US20220005405A1
公开(公告)日：2022-01-06
申请号：US17366303
申请日：2021-07-02
Applicant: Japan Display Inc.
Inventor： Yoshinori AOKI , Akihiro OGAWA , Masanobu IKEDA
Abstract: According to one embodiment a display device includes first and second sub-pixels, first and second power lines, and a reset line. The first sub-pixel includes a first light emitting element and a first pixel circuit. The second sub-pixel includes a second light emitting element and a second pixel circuit. The first power line supplies power to the first pixel circuit. The second power line supplies power to the second pixel circuit. Reset signal is supplied to the reset line. The reset line and the power lines are arranged in a display region. The reset line is connected to both the pixel circuits. A width of the first power line is larger than a width of the second power line.
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公开(公告)号：US20210358392A1
公开(公告)日：2021-11-18
申请号：US17238216
申请日：2021-04-23
Applicant: Japan Display Inc.
Inventor： Masanobu IKEDA
Abstract: A display device comprises a plurality of pixels arranged in a first direction and a second direction intersecting the first direction, a plurality of sub-pixels included in each of the plurality of pixels, a first LED chip included in one of the plurality of sub-pixels and emitting light at a first luminosity L1, a second LED chip included in the one of sub-pixel and emitting light at a second luminosity L2, a first wiring supplying a first voltage corresponding to the first luminosity L1 to the first LED chip, a second wiring supplying a second voltage corresponding to the second luminosity L2 to the second LED chip. The first luminous intensity L1 of the first LED chip is calculated based on an equation (1) using a chip area S1 and a luminance EQEL1 of the first LED chip, L1=S1×EQEL1 (1).
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公开(公告)号：US20210296293A1
公开(公告)日：2021-09-23
申请号：US17330622
申请日：2021-05-26
Applicant: Japan Display Inc.
Inventor： Yasuhiro KANAYA , Masanobu IKEDA
IPC: H01L25/075 , H01L27/12
Abstract: According to one embodiment, a display panel includes a substrate, a first insulating layer, a second insulating layer, and pixels including subpixels of colors. Each of the subpixels includes a drive transistor, a conductive layer, a pixel electrode receiving a signal having a controlled current value from the drive transistor via the conductive layer, and a light-emitting element. Each of the pixels has a mounting electrode overlaid on the conductive layer in each of the subpixels. In a first pixel of the pixels, the mounting electrode is in an electrically floating state.
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公开(公告)号：US20210280655A1
公开(公告)日：2021-09-09
申请号：US17330607
申请日：2021-05-26
Applicant: Japan Display Inc.
Inventor： Yasuhiro KANAYA , Masanobu IKEDA
Abstract: According to one embodiment, a display panel includes a substrate, a first insulating layer, and a plurality of pixels including sub-pixels of a plurality of colors, respectively. Each of the sub-pixels includes a drive transistor, a pixel electrode supplied with a signal having a current value controlled from the drive transistor, and a light emitting element mounted on the pixel electrode. Each of the pixels includes a mounting electrode located to be spaced apart from the pixel electrode. The mounting electrode is in an electrically floating state in a first pixel of the plurality of pixels.
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