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公开(公告)号：US12219813B2
公开(公告)日：2025-02-04
申请号：US17857254
申请日：2022-07-05
Applicant: Japan Display Inc.
Inventor： Toshihiro Sato
IPC: H01L29/786 , H01L27/12 , H01L29/04 , H01L29/16 , H01L29/24 , H01L29/66 , H10K59/121 , H10K59/126 , H10K59/131
Abstract: A display device includes two or more transistors in one pixel, and the two or more transistors include a first transistor of which a channel semiconductor layer is polycrystalline silicon, and a second transistor of which a channel semiconductor layer is an oxide semiconductor.
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公开(公告)号：US11329123B2
公开(公告)日：2022-05-10
申请号：US16889908
申请日：2020-06-02
Applicant: Japan Display Inc.
Inventor： Kouhei Takahashi , Hirotsugu Sakamoto , Takeshi Ookawara , Toshihiro Sato
Abstract: An OLED display panel is provided which can control the problem of shedding even in high definition panels. Metal wiring 5 which conducts with an earth line of a flexible printed substrate 15 is provided on a substrate 1. A display area 2 comprised from a plurality of OLED elements is provided at the center of the substrate 1 and four low resistance metal films 3 are provided along each of four edges of the display area 2 on a surface of insulation films 8, 10 at the periphery of the display area 2. Among these, one low resistance metal film 3 conducts with the metal wiring 5 via a 3a.
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公开(公告)号：US11296172B2
公开(公告)日：2022-04-05
申请号：US16842862
申请日：2020-04-08
Applicant: Japan Display Inc.
Inventor： Toshihiro Sato
IPC: H01L27/32 , H01L51/52 , G09G3/3233
Abstract: A display device is provided including a plurality of pixels, wherein the plurality of pixels is arranged in a matrix form, wherein each of the plurality of pixels has an emission region and a transparent region, and wherein the emission region has a light-emitting element, and the transparent region has at least a part of a storage capacitor having transparency and is covered with at least one electrode of the storage capacitor, a first electrode covers the plurality of pixels, a light-emitting layer is arranged below the first electrode, a second electrode is arranged below the light-emitting layer, and the storage capacitor includes the first electrode.
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公开(公告)号：US10566404B2
公开(公告)日：2020-02-18
申请号：US15830041
申请日：2017-12-04
Applicant: Japan Display Inc.
Inventor： Toshihiro Sato
IPC: H01L27/32 , G09G3/3233 , H01L51/52
Abstract: A display device is provided including a plurality of pixels, wherein the plurality of pixels is arranged in a matrix form, wherein each of the plurality of pixels has an emission region and a transparent region, and wherein the emission region has a light-emitting element, and the transparent region has at least a part of a storage capacitor having transparency and is covered with at least one electrode of the storage capacitor, a first electrode covers the plurality of pixels, a light-emitting layer is arranged below the first electrode, a second electrode is arranged below the light-emitting layer, and the storage capacitor includes the first electrode.
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公开(公告)号：US10283643B2
公开(公告)日：2019-05-07
申请号：US15544117
申请日：2016-01-20
Applicant: Japan Display Inc.
Inventor： Toshihiro Sato
IPC: H01L29/786 , H01L29/423 , H01L29/49 , H01L51/50 , H01L27/12 , G09G3/3208 , H01L27/32 , G02F1/1362 , G09G3/3233 , G02F1/1368
Abstract: The purpose of the invention is suppressing a kink phenomenon and improving the image quality of a display device. The display device has a TFT in a pixel. The TFT has a semiconductor layer, a first insulating layer under the semiconductor layer, a second insulating layer over the semiconductor layer, and a gate electrode facing the semiconductor layer with a gap. The gate electrode has a first gate electrode portion facing a lower surface of the semiconductor layer, a second gate electrode portion facing an upper surface of the semiconductor layer, and a third gate electrode portion facing a lateral surface of the semiconductor layer and connected to the first and second gate electrode portions. A laminated part where the first and second insulating layers are stacked is around the semiconductor layer, and a part of the laminated part is between the lateral surface and the third gate electrode portion.
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Patent Agency Ranking
公开(公告)号：US10211269B2
公开(公告)日：2019-02-19
申请号：US15286630
申请日：2016-10-06
Applicant: Japan Display Inc.
Inventor： Yuya Shirahata , Masakazu Gunji , Toshihiro Sato
Abstract: A display device includes a plurality of emitting elements corresponding to a plurality of pixels. The emitting element includes a lower electrode, an upper electrode having a light-transmitting property, and a light-emitting layer between the lower electrode and the upper electrode. The lower electrode includes a flat portion and an inclined portion that is inclined obliquely upward and outward from the central area of the flat portion. Both of the flat portion and the inclined portion include a reflective surface respectively. The reflective surface of the flat portion has a light reflectance lower than that of the reflective surface of the inclined portion.
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公开(公告)号：US10170727B2
公开(公告)日：2019-01-01
申请号：US15484683
申请日：2017-04-11
Applicant: Japan Display Inc.
Inventor： Toshihiro Sato , Ryoichi Ito
Abstract: An organic electroluminescent device with a touch sensor including: a first substrate; a second substrate arranged opposite to the first substrate; an organic EL element layer arranged above the first substrate; a first sealing film arranged toward the second substrate of the organic EL element layer, covering the organic EL element layer, and including a first inorganic layer; plural first detection electrodes extending in one direction, and arranged in parallel toward the second substrate of the first sealing film; a second sealing film arranged toward the second substrate of the first detection electrodes, and including a second inorganic layer; plural second detection electrodes extending in another direction different from the one direction, and arranged in parallel toward the second substrate of the second sealing film; and a touch sensor control unit controlling a potential to detect a touch with a display surface.
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公开(公告)号：US10062744B2
公开(公告)日：2018-08-28
申请号：US15644942
申请日：2017-07-10
Inventor： Toshihiro Sato
IPC: G09G3/30 , H01L27/32 , H01L51/52 , G09G3/3233
CPC classification number: H01L27/3276 , G09G3/3233 , G09G2300/0842 , G09G2320/0233 , H01L27/3246 , H01L27/3248 , H01L27/3258 , H01L27/3262 , H01L27/3265 , H01L51/5206 , H01L51/5234 , H01L51/5237
Abstract: An organic display device includes a pixel driving circuit having a thin film transistor connected to a current supply line and a capacitor. A first insulation layer, with a first electrode thereon, covers a source electrode of the transistor. The first electrode is connected to the transistor through a contact hole the insulation layer. A second insulation layer including an aperture is formed on the first insulation layer and electrode layers. An organic light emitting layer, with a second electrode thereon is formed in the aperture and connected to the first electrode. The second insulation layer includes an inner wall at the aperture, said inner will having a surface of a convex plane on an edge of the recessed part of the first electrode. The convex plane is located between the organic light emitting layer and the edge of the first electrode, and the second electrode is formed over plurality of pixels.
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公开(公告)号：US09978985B2
公开(公告)日：2018-05-22
申请号：US15413529
申请日：2017-01-24
Applicant: Japan Display Inc.
Inventor： Toshihiro Sato
CPC classification number: H01L51/5246 , G02B5/201 , G06F3/0412 , G06F2203/04103 , G06F2203/04107 , H01L27/322 , H01L27/3272 , H01L51/0097 , H01L51/5012 , H01L51/5206 , H01L51/5221 , H01L51/56 , H01L2227/323 , H01L2251/5338 , H05B33/04 , H05B33/12
Abstract: A display device includes a first substrate including a display region arranged with a plurality of pixels arranged with a light emitting element, a second substrate including a light shielding layer having an aperture part corresponding to the pixel and a color filter being arranged in at least the aperture part and including a pigment layer, a seal component including glass, the seal component bonding the first substrate and second substrate, the display region and color filter facing each other, and being arranged on the exterior side of the color filter, and an inorganic insulation layer covering at least an upper surface and end part of the color filter.
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公开(公告)号：US09960388B2
公开(公告)日：2018-05-01
申请号：US15295153
申请日：2016-10-17
Applicant: Japan Display Inc.
Inventor： Tohru Sasaki , Toshihiro Sato
CPC classification number: H01L51/5271 , H01L27/32 , H01L27/3246 , H01L51/5218 , H01L51/5284
Abstract: A display device includes: pixel electrodes that respectively correspond to unit pixels composing an image; an insulation layer that is arranged to be put on a peripheral part of each of the pixel electrodes and is light transmitting; a light emitting layer that is laminated in contact with a central part surrounded by the peripheral part in each of the pixel electrodes and is arranged to emit light with a luminosity controlled by a current; and a common electrode that is laminated in contact with the light emitting layer and is arranged to be put on the insulation layer over the pixel electrodes. Each of the pixel electrodes has a surface on which the insulation layer and the light emitting layer are put. The peripheral part is either light absorbing or light transmitting on the surface, and the central part is light reflecting on the surface.
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