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公开(公告)号：US20220157228A1
公开(公告)日：2022-05-19
申请号：US17592557
申请日：2022-02-04
Applicant: Japan Display Inc.
Inventor： Osamu ITOU
Abstract: To make a display device inconspicuous. A display system includes a base and a display device attached to the base. The display device includes a plurality of inorganic light emitters arrayed in a matrix with a row-column configuration and a surface layer. The surface layer is provided in a traveling direction of light emitted from the inorganic light emitters with respect to the inorganic light emitters and includes a plurality of transmission parts and a blocking part. The transmission parts are provided in a matrix with a row-column configuration so as to overlap the inorganic light emitters when viewed from the traveling direction of the light and allow the light from the inorganic light emitters to pass therethrough. The blocking part blocks the light from the inorganic light emitters. The inorganic light emitters are provided overlapping the transmission parts provided to the surface layer.
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公开(公告)号：US20220013701A1
公开(公告)日：2022-01-13
申请号：US17482701
申请日：2021-09-23
Applicant: Japan Display Inc.
Inventor： Masanobu IKEDA , Osamu ITOU , Yoshinori AOKI
Abstract: A display device includes a substrate, a plurality of first pixels and a plurality of second pixels provided to the substrate, a plurality of inorganic light emitting elements provided to the respective first pixels and the respective second pixels, a plurality of signal lines configured to supply a signal to the first pixels and the second pixels, and a plurality of power supply lines configured to supply a power supply potential to the first pixels and the second pixels. At least one or more of the signal lines are provided in a layer different from a layer of the power supply lines in the first pixels, and the signal lines and the power supply lines are provided in the same layer in the second pixels.
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公开(公告)号：US20170139299A1
公开(公告)日：2017-05-18
申请号：US15420357
申请日：2017-01-31
Applicant: Japan Display Inc.
Inventor： Kenji NAKAO , Osamu ITOU , Toshimasa ISHIGAKI , Daisuke SONODA , Takato HIRATSUKA
IPC: G02F1/1362 , G02F1/1333 , G02F1/1335 , G02F1/1368 , G02F1/1343
CPC classification number: G02F1/136286 , G02F1/133345 , G02F1/133512 , G02F1/133516 , G02F1/13394 , G02F1/134336 , G02F1/134363 , G02F1/13439 , G02F1/136209 , G02F1/136227 , G02F1/1368 , G02F2001/133519 , G02F2001/13398 , G02F2001/134372 , G02F2001/136222 , G02F2201/121 , G02F2201/123
Abstract: A provided is a liquid crystal display device with a high definition screen and less color mixture. On an array substrate, a pixel is formed between the adjacent video signal lines, a color filter is formed within the pixel, a flattening film is formed on the color filter, a lower layer is formed on the flattening film, and an upper layer having a slit is formed on the lower layer with an interlayer insulating film interposed therebetween; and on the array substrate, an opposite substrate is arranged with a liquid crystal layer interposed therebetween. When a distance from the top of the video signal line working as a light shielding film to the bottom of the liquid crystal layer is defined as d and a space between the centers of the video signal lines separating the pixel is defined as w, a relation of d≦0.3w is satisfied.
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公开(公告)号：US20160291377A1
公开(公告)日：2016-10-06
申请号：US15072579
申请日：2016-03-17
Applicant: Japan Display Inc.
Inventor： Masahiro KOSUGE , Toshimasa ISHIGAKI , Osamu ITOU
IPC: G02F1/1343 , G02F1/1333 , G02F1/1362 , H01L27/12 , G02F1/1368
CPC classification number: G02F1/13439 , G02F1/13394 , G02F1/136209 , G02F2001/134372 , G02F2001/136222 , H01L27/124
Abstract: According to an aspect, a liquid crystal display device includes, in sequence, a thin-film transistor substrate comprising a thin-film transistor, a liquid crystal layer, and a counter substrate. The thin-film transistor substrate includes: a first translucent electrode; a color filter; metal wiring that is provided above the color filter and electrically coupled with the first translucent electrode; a light-absorbing layer provided on the metal wiring; and an optical interference layer provided on the light-absorbing layer. The optical interference layer includes the first translucent electrode.
Abstract translation: 根据一方面，液晶显示装置依次包括薄膜晶体管，薄膜晶体管，液晶层和对向基板。 薄膜晶体管基板包括：第一透光性电极; 彩色滤光片; 金属布线，其设置在滤色器的上方并与第一透光性电极电耦合; 设置在金属布线上的光吸收层; 以及设置在光吸收层上的光学干涉层。 光学干涉层包括第一透光性电极。
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公开(公告)号：US20160178975A1
公开(公告)日：2016-06-23
申请号：US15057799
申请日：2016-03-01
Applicant: JAPAN DISPLAY INC
Inventor： Osamu ITOU , Takato HIRATSUKA
IPC: G02F1/1343 , G02F1/1333 , G02F1/1335
CPC classification number: G02F1/134336 , G02F1/133345 , G02F1/133377 , G02F1/133514 , G02F1/133707 , G02F1/13394 , G02F2001/133357
Abstract: A liquid crystal display device having a second substrate and a first substrate that is placed so as to face the above-described second substrate with pixel regions aligned in a matrix is provided with: protrusions that are formed on pixel boarders and protrude from the second substrate on the liquid crystal side; first electrodes made of sidewall electrodes formed on sidewalls of protrusions and a lower end side electrode extending from the sidewall electrodes on the bottom side; and second electrodes made of a first linear electrode formed within a pixel region and a second linear electrode that is formed on the second substrate and faces the first linear electrode.
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Patent Agency Ranking
公开(公告)号：US20150098048A1
公开(公告)日：2015-04-09
申请号：US14508277
申请日：2014-10-07
Applicant: Japan Display Inc.
Inventor： Yasushi TOMIOKA , Takato HIRATSUKA , Osamu ITOU
IPC: G02F1/1339 , G02F1/1335
CPC classification number: G02F1/134363 , G02F1/133345 , G02F1/133512 , G02F1/133514 , G02F1/1337 , G02F1/13394 , G02F1/13439 , G02F1/13624 , G02F1/136286 , G02F1/1368 , G02F2001/133302 , G02F2001/13398 , G02F2001/134345 , G02F2201/121 , G02F2201/123 , G02F2203/04 , H01L27/124
Abstract: A liquid crystal display device includes a TFT substrate, a CF substrate, and a liquid crystal interposed between the TFT substrate and the CF substrate, and drives the liquid crystal in a horizontal electric field. The TFT substrate includes a recess, and the CF substrate includes a columnar protrusion. The protrusion of the CF substrate is fitted to the recess of the TFT substrate so as to function as a stopper for preventing a positional gap between the TFT substrate and the CF substrate.
Abstract translation: 液晶显示装置包括TFT基板，CF基板和介于TFT基板和CF基板之间的液晶，并且在水平电场中驱动液晶。 TFT基板包括凹部，CF基板包括柱状突起。 CF基板的突出部配合在TFT基板的凹部，作为防止TFT基板与CF基板的位置间隙的止动件。
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公开(公告)号：US20210265540A1
公开(公告)日：2021-08-26
申请号：US17316938
申请日：2021-05-11
Applicant: Japan Display Inc.
Inventor： Osamu ITOU , Masanobu IKEDA
Abstract: A display device comprising: a first substrate; a plurality of pixels provided to the first substrate; a light emitting element provided to each of the pixels; a phosphor layer covering at least an upper surface of the light emitting element; a first reflective layer facing a side surface of the light emitting element; and a second reflective layer provided to a side surface of the phosphor layer, separated from the first reflective layer in a normal direction of the first substrate, and disposed farther away from the first substrate than the first reflective layer.
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公开(公告)号：US20210098665A1
公开(公告)日：2021-04-01
申请号：US17034837
申请日：2020-09-28
Applicant: Japan Display Inc.
Inventor： Osamu ITOU
IPC: H01L33/58 , G02B5/02 , H01L25/075 , H01L27/12
Abstract: According to an aspect, a display device includes: a substrate; a plurality of pixels provided to the substrate; a plurality of light emitting elements provided to the pixels; and a first light diffusion layer including a plurality of light diffusion structures and having a first surface and a second surface opposite to the first surface, the second surface facing the substrate with the light emitting elements interposed between the second surface and the substrate. The light diffusion structures each include a plurality of high refractive index layers and a plurality of low refractive index layers. The high refractive index layers and the low refractive index layers are alternately layered in a thickness direction of the first light diffusion layer. The high refractive index layers and the low refractive index layers are each curved and recessed in a direction from the first surface toward the second surface.
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公开(公告)号：US20170176792A1
公开(公告)日：2017-06-22
申请号：US15378498
申请日：2016-12-14
Applicant: Japan Display Inc.
Inventor： Daisuke SONODA , Osamu ITOU , Muneharu AKIYOSHI
IPC: G02F1/1368 , G02F1/1343 , G02F1/1333 , G02F1/1362 , H01L27/12
CPC classification number: G02F1/1368 , G02F1/133345 , G02F1/134336 , G02F1/136209 , G02F1/136227 , G02F1/136286 , G02F2001/133519 , G02F2001/13356 , G02F2001/134345 , G02F2001/134381 , G02F2001/136222 , G02F2001/13685 , G02F2201/123 , G02F2201/501 , H01L27/1218
Abstract: According to one embodiment, a display device includes a color filter formed on an inorganic layer, an inorganic film formed above the color filter, and a semiconductor layer formed above the inorganic film. As seen in plan view, the inorganic film is provided over a first area in which the color filter is overlapped and a second area which surrounds the first area. In the second area, the inorganic film is located outward of the color filter.
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公开(公告)号：US20170131592A1
公开(公告)日：2017-05-11
申请号：US15413795
申请日：2017-01-24
Applicant: Japan Display Inc.
Inventor： Toshiki KANEKO , Takashi NAKAMURA , Masahiro TADA , Yukio TANAKA , Hiroyuki KIMURA , Osamu ITOU
IPC: G02F1/1333 , G02F1/1362 , G02F1/1368 , G02F1/1343
CPC classification number: G02F1/133345 , G02F1/134336 , G02F1/134363 , G02F1/13439 , G02F1/1362 , G02F1/136286 , G02F1/1368 , G02F2001/133397 , G02F2201/121 , G02F2201/123 , G02F2201/40 , G02F2202/42 , G09G3/3648 , G09G2300/0465 , G09G2310/08 , G09G2320/0247 , G09G2330/023
Abstract: There is provided a high-definition liquid crystal display device that can prevent flicker due to a reduction in the pixel potential in a low-frequency drive of about 10 Hz to reduce power consumption. The pixel has a TFT formed of Poly-Si as a switching element. In the pixel, a capacitance insulating film is formed on a planar first electrode on which a comb-shaped second electrode is fanned. When the film thickness of the insulating film is d and the dielectric constant at 10 Hz frequency is ε, it is given that εd≧5×10−6 m at 10 Hz frequency. The capacitance insulating film does not have a hysteresis characteristic. The refractive index of the capacitance insulating film with respect to a light of a wavelength of 632.8 nm is 1.7 to 2.0.
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