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公开(公告)号：US20220238842A1
公开(公告)日：2022-07-28
申请号：US17717194
申请日：2022-04-11
Applicant: Japan Display Inc.
Inventor： Jun FUJIYOSHI , Kazuto TSURUOKA
Abstract: The aim is to improve the bending resistance a display device. The display device in one embodiment includes a substrate including a first surface and a second surface and a curved part between the first surface and the second surface, a display element arranged on the first surface, a conducting layer connected with the display element and extending to the second surface from the first surface via the curved part, a plurality of protective layers having a lower ductility than the substrate and arranged in the substrate side and/or opposite side to the substrate side with respect to the conducting layer and along the curved part, wherein each of the plurality of protective layers spreading over the curved part, to a certain region of the first surface side from the curved part, and to a certain region of the second side from the curved part.
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公开(公告)号：US20220238599A1
公开(公告)日：2022-07-28
申请号：US17723619
申请日：2022-04-19
Applicant: Japan Display Inc.
Inventor： Kazuyuki YAMADA
Abstract: According to one embodiment, a display device includes an array substrate having a first main surface on which a plurality of light emitting elements spaced apart from each other is provided and a second main surface located on an opposite side of the first main surface, an optical resin layer provided between the plurality of light emitting elements and on the plurality of light emitting elements on the first main surface of the array substrate, and a light transmitting layer provided on the optical resin layer. The optical resin layer has a refractive index of 1.40 or more and 1.60 or less, and translucency of 90% or more.
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公开(公告)号：US20220236823A1
公开(公告)日：2022-07-28
申请号：US17717262
申请日：2022-04-11
Applicant: Japan Display Inc.
Inventor： Mitsuhide MIYAMOTO
Abstract: The touch sensor includes a touch detection area with at least a part of a curved area having a curved edge. In the touch detection area, a plurality of first electrodes and second electrodes disposed side by side in a first direction and in a second direction are disposed. A plurality of first electrodes disposed side by side in the first direction are connected to each other. A plurality of second electrodes disposed side by side in the second direction are connected to each other. In the curved area, distances between the plurality of first electrodes and the second electrodes in the first direction gradually change in the second direction.
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公开(公告)号：US20220231250A1
公开(公告)日：2022-07-21
申请号：US17574812
申请日：2022-01-13
Applicant: Japan Display Inc.
Inventor： Hayata AOKI , Masumi NISHIMURA , Jun NITTA
Abstract: According to one embodiment, a display device includes a lower electrode, a second insulating layer including an opening overlapping the lower electrode, an organic layer including a light-emitting layer and a functional layer, disposed in the opening and covering the lower electrode and an upper electrode covering the organic layer. The functional layer includes a first region located between the lower electrode and the light-emitting layer and a second region including an end surface located directly above the second insulating layer. A dopant concentration of a guest material in the second region is lower than the dopant concentration of the guest material in the first region.
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公开(公告)号：US20220231114A1
公开(公告)日：2022-07-21
申请号：US17712222
申请日：2022-04-04
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 contact 3a.
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Patent Agency Ranking
公开(公告)号：US20220229324A1
公开(公告)日：2022-07-21
申请号：US17715496
申请日：2022-04-07
Applicant: Japan Display Inc.
Inventor： Hideaki ABE , Yasuhito ARUGA , Hiroyuki ONODERA , Hiroki KATO , Yasushi NAKANO , Hitoshi KAWAGUCHI , Keisuke ASADA
Abstract: A display device includes: a display panel including panel terminals; and a wiring substrate including first substrate terminals coupled to the panel terminals. The panel terminals include panel terminals arranged in a first region and panel terminals arranged in second regions sandwiching the first region. The first substrate terminals include first substrate terminals arranged in a third region and first substrate terminals arranged in fourth regions sandwiching the third region. A gap between panel terminals is substantially constant in the first and second regions. A first width of the panel terminals in the first region is different from a second width of the panel terminals in the second regions. A width of the first substrate terminals is substantially constant in the third and fourth regions. A first gap between first substrate terminals in the third region is different from a second gap between first substrate terminals in the fourth regions.
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公开(公告)号：US20220229219A1
公开(公告)日：2022-07-21
申请号：US17711037
申请日：2022-04-01
Applicant: Japan Display Inc.
Inventor： Osamu ITOU
IPC: F21V8/00
Abstract: A lighting device includes a first light guide area sandwiched between partitions extending along a first direction, a first light emitting element emitting light in a first wavelength band, and a semi-transmitting reflective film covering the first light guide area, the first light guide area including a first protrusion, and a reflective film covering the first protrusion and each side of the partitions, the first light guide area including, a first part having a constant first width in a second direction crossing the first direction, and a second part adjacent to the first part and the first width decreasing as it recedes from the first part, wherein the first light emitting-element is arranged in the second part.
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公开(公告)号：US20220221954A1
公开(公告)日：2022-07-14
申请号：US17557757
申请日：2021-12-21
Applicant: Japan Display Inc.
Inventor： Tomoyuki ITO , Kazuki MATSUNAGA , Shigesumi ARAKI , Kazuhide MOCHIZUKI
IPC: G06F3/042 , G02F1/1333 , G02F1/1335 , G02F1/1343 , H01L27/146 , G06F3/041
Abstract: According to one embodiment, a liquid crystal display device comprises first and second substrates and a liquid crystal layer. The first substrate includes a base member, a sensor between the base member and the liquid crystal layer, a collimation layer between the sensor and the liquid crystal layer, an insulating layer between the sensor and the collimation layer, an insulating layer, and a light shielding layer between the sensor and the base member. The sensor is configured to output a signal corresponding to light incident from a liquid crystal layer side. The light shielding layer overlaps with an outer peripheral part of the first collimation layer.
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公开(公告)号：US11385512B2
公开(公告)日：2022-07-12
申请号：US17239714
申请日：2021-04-26
Inventor： Tohru Sasaki , Takahiro Ochiai
IPC: G02F1/1362 , G02F1/1343 , G02F1/1333 , G02F1/1368 , G02F1/1335
Abstract: To form a sufficiently large storage capacitor, a liquid crystal display device includes a liquid crystal display panel having a first substrate, a second substrate, and a liquid crystal held between the first substrate and the second substrate, the liquid crystal display panel having multiple pixels arranged in matrix. The first substrate has, in a transmissive display area provided in each of the pixels, a laminated structure containing a first transparent electrode, a first insulating film, a second transparent electrode, a second insulating film, and a third transparent electrode which are laminated in this order. The first transparent electrode and the second transparent electrode are electrically insulated from each other and together form a first storage capacitor through the first insulating film, and the second transparent electrode and the third transparent electrode are electrically insulated from each other and together form a second storage capacitor through the second insulating film.
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公开(公告)号：US11385507B2
公开(公告)日：2022-07-12
申请号：US17111795
申请日：2020-12-04
Applicant: Japan Display Inc.
Inventor： Yasuhiro Takahashi , Yuji Maede
IPC: G02F1/1339 , G02F1/1334 , G02F1/1335
Abstract: According to one embodiment, an electro-optical device includes a panel, a sealant, a liquid crystal layer, a light source and a reflective layer. The panel includes first and second transparent substrates, an electro-optical area and a peripheral area. The seal is provided in the peripheral area and adheres the substrates. The liquid crystal layer contains a polymer liquid crystal composition. The light source opposes a side surface of the first or second substrates. The reflective layer is between the substrates. The panel includes a first edge, and the reflective layer overlaps a portion of the sealant, located along the first edge.
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