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公开(公告)号：US09773848B2
公开(公告)日：2017-09-26
申请号：US15035348
申请日：2014-10-03
Applicant: JOLED INC.
Inventor： Yasuharu Shinokawa , Kenichi Nendai , Hiroyoshi Takezawa
CPC classification number: H01L27/3246 , H01L27/3211 , H01L27/3248 , H01L2227/323
Abstract: An organic EL display panel including: a substrate; banks linearly extending along one direction above the substrate; pixel electrodes spaced away from one another along the one direction, in each of first and second spaces among spaces defined by the banks; a light-emitting layer covering each pixel electrode in each of the first and second spaces; and a sub-bank crossing the one direction at least in the first space, and when defining each light-emitting layer portion covering a pixel electrode as a light-emitting portion and defining each area between light-emitting portions adjacent in the one direction as a non-light-emitting portion, a positive integer N exists for which the following holds true: among Nth non-light-emitting portions counting from one side along the one direction, the Nth non-light-emitting portion in the first space has the sub-bank and the Nth non-light-emitting portion in the second space does not have the sub-bank.
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公开(公告)号：US11678539B2
公开(公告)日：2023-06-13
申请号：US17534474
申请日：2021-11-24
Applicant: JOLED INC.
Inventor： Yasuhiro Terai , Yasuharu Shinokawa , Jiro Yamada , Atsuhito Murai , Masahiko Kondo , Noriteru Maeda
IPC: H10K59/131 , H10K50/828 , H10K50/824 , H10K50/86 , H01L27/12 , H01L27/32 , H01L51/52 , H10K50/818 , H10K102/00
CPC classification number: H01L27/3276 , H01L27/124 , H01L27/322 , H01L51/5218 , H01L51/5228 , H01L51/5234 , H01L51/5284 , H01L2251/5315
Abstract: A display unit includes a substrate including a pixel region including a plurality of pixels and a peripheral region. The display unit includes a plurality of first electrodes, wherein each of the plurality of first electrodes is in a corresponding pixel of the plurality of pixels. The display unit includes a second electrode opposed to the first electrode, wherein the second electrode is common for all of the plurality of pixels. The display unit includes an organic layer between the second electrode and the plurality of first electrodes, wherein the organic layer includes a light-emitting layer. The display unit includes a wiring layer between the substrate and the plurality of first electrodes. The display unit includes an auxiliary electrically-conductive layer including an organic electrically-conductive material, wherein the auxiliary electrically-conductive layer is electrically coupled to the second electrode. The auxiliary electrically-conductive layer is in a recess in the wiring layer.
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公开(公告)号：US10347865B2
公开(公告)日：2019-07-09
申请号：US15987938
申请日：2018-05-24
Applicant: JOLED INC.
Inventor： Kenji Harada , Yasuharu Shinokawa , Akifumi Okigawa , Keiji Horikawa
Abstract: An organic electroluminescence (EL) display panel includes a multi-layered wiring laminate including: a first part on which an organic EL element array is disposed and in which a first portion of a resin insulating layer is present, the resin insulating layer being a highest layer among insulating layers; a second part surrounding the first part in plan view and in which a second portion of the resin insulating layer having a bank-shape is present; and a third part disposed between the first part and the second part in plan view and having a shape of a circumferential groove in which the resin insulating layer is not present. In the third part, wiring is on an inorganic insulating layer that is lower by a layer than the resin insulating layer. The wiring on the inorganic insulating layer is spaced away from the second portion of the resin insulating layer.
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公开(公告)号：US10319935B2
公开(公告)日：2019-06-11
申请号：US15945655
申请日：2018-04-04
Applicant: JOLED INC.
Inventor： Masaki Nishimura , Hiroyuki Ajiki , Shuhei Yada , Yasuharu Shinokawa
Abstract: An organic EL display panel includes a substrate, a plurality of pixel electrodes disposed in a matrix pattern over the substrate, a first current feeding auxiliary electrode layer disposed to extend in a column or row direction in at least one of gaps between adjacent ones of the pixel electrodes over the substrate, a second current feeding auxiliary electrode layer that contains aluminum as a main constituent and is disposed to be superposed on the first current feeding auxiliary electrode layer, a plurality of light emitting layers disposed on the plurality of pixel electrodes, and a common electrode layer disposed continuously to cover the first current feeding auxiliary electrode layer and the second current feeding auxiliary electrode layer as well as an upper side of the plurality of light emitting layers.
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公开(公告)号：US10032802B2
公开(公告)日：2018-07-24
申请号：US15308097
申请日：2015-04-23
Applicant: JOLED INC.
Inventor： Yasuharu Shinokawa , Kenichi Nendai , Takashi Osako
IPC: H01L27/12 , H01L29/786 , H01L23/522 , H01L21/768 , H01L51/50 , H01L27/32 , H05B33/06 , H05B33/22 , H01L51/52
Abstract: A display device including: a lead wiring layer pattern 207, made from metal, that extends outside a light emission region on a substrate; a passivation layer 216 covering the lead wiring layer pattern, a contact hole 216a in the passivation layer outside the light emission region; a connecting wiring layer pattern 237 that is continuous across the passivation layer, an inner circumference of the contact hole, and the lead wiring layer pattern in the contact hole; an electrically-conductive sealing layer pattern 217 on the connecting wiring layer pattern, covering a portion of the connecting wiring layer pattern in the contact hole; an electrically-conductive upper sealing layer pattern 219 covering and in contact with a portion of the sealing layer pattern; and a contact prevention layer pattern 218, 236 between the electrically-conductive upper sealing layer pattern and a periphery of the sealing layer pattern.
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Patent Agency Ranking
公开(公告)号：US10020323B2
公开(公告)日：2018-07-10
申请号：US15308353
申请日：2015-04-23
Applicant: JOLED INC.
Inventor： Yasuharu Shinokawa , Kenichi Nendai , Takashi Osako
IPC: H01L27/12 , H01L29/786 , G09F9/30 , H01L23/522 , H01L21/768 , H01L51/50 , H05B33/06 , H05B33/22 , H05B33/26 , H01L27/32
CPC classification number: H01L27/124 , G09F9/30 , H01L21/768 , H01L23/522 , H01L27/1248 , H01L27/1259 , H01L27/3258 , H01L27/3276 , H01L29/786 , H01L29/78606 , H01L51/50 , H01L2924/0002 , H05B33/06 , H05B33/22 , H05B33/26 , H01L2924/00
Abstract: A display device including: a lead wiring layer pattern 207, made from metal, that extends outside a region 10A on a substrate in which a light-emitter is present; a passivation layer 216; a contact hole 216a in the passivation layer 216 outside the region 10A in a position over the lead wiring layer pattern 207 in plan view; a connecting wiring layer pattern 237 that is continuous across the passivation layer 216, an inner circumference of the contact hole 216a, and the lead wiring layer pattern 207 in the contact hole 216a; a sealing layer 217 covering a portion of the connecting wiring layer pattern 237 in the contact hole 216a; and an upper sealing layer pattern 219 covering the sealing layer pattern 217 that is above the connecting wiring layer pattern 237.
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公开(公告)号：US10516133B2
公开(公告)日：2019-12-24
申请号：US16392558
申请日：2019-04-23
Applicant: JOLED INC.
Inventor： Masaki Nishimura , Hiroyuki Ajiki , Shuhei Yada , Yasuharu Shinokawa
Abstract: An organic EL display panel includes a substrate, a plurality of pixel electrodes disposed in a matrix pattern over the substrate, a first current feeding auxiliary electrode layer disposed to extend in a column or row direction in at least one of gaps between adjacent ones of the pixel electrodes over the substrate, a second current feeding auxiliary electrode layer that contains aluminum as a main constituent and is disposed to be superposed on the first current feeding auxiliary electrode layer, a plurality of light emitting layers disposed on the plurality of pixel electrodes, and a common electrode layer disposed continuously to cover the first current feeding auxiliary electrode layer and the second current feeding auxiliary electrode layer as well as an upper side of the plurality of light emitting layers.
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公开(公告)号：US11217650B2
公开(公告)日：2022-01-04
申请号：US16209882
申请日：2018-12-04
Applicant: JOLED INC.
Inventor： Yasuhiro Terai , Yasuharu Shinokawa , Jiro Yamada , Atsuhito Murai , Masahiko Kondo , Noriteru Maeda
Abstract: A display unit includes a substrate, a first electrode, a second electrode, an organic layer, and an auxiliary electrically-conductive layer. The substrate includes a pixel region including a plurality of pixels and a peripheral region outside the pixel region. The first electrode is provided for each of the plurality of pixels in the pixel region on the substrate. The second electrode is opposed to the first electrode, and is provided common for the plurality of pixels. The organic layer is provided between the second electrode and the first electrode, and includes a light-emitting layer. The auxiliary electrically-conductive layer includes an organic electrically-conductive material, and the auxiliary electrically-conductive layer is disposed in the pixel region on the substrate and is electrically coupled to the second electrode.
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公开(公告)号：US10026795B2
公开(公告)日：2018-07-17
申请号：US15312183
申请日：2015-05-20
Applicant: JOLED INC.
Inventor： Yuuki Abe , Kazuhiro Yokota , Yasuharu Shinokawa , Kou Sugano , Eiji Takeda
Abstract: An organic EL element including: a TFT substrate having a TAOS-TFT; and an organic EL unit having a lower electrode. The lower electrode includes an aluminum containing metal layer, a transition metal containing oxide layer disposed between the aluminum containing metal layer and the TFT substrate, and an aluminum containing oxide layer disposed between the aluminum containing metal layer and the transition metal containing oxide layer and in contact with both the aluminum containing metal layer and the transition metal containing oxide layer. The aluminum containing oxide layer contains aluminum oxide. The transition metal containing oxide layer contains tungsten oxide and has a density of 6.5 g/cm3 or more.
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公开(公告)号：US10937988B2
公开(公告)日：2021-03-02
申请号：US16726208
申请日：2019-12-23
Applicant: JOLED INC.
Inventor： Masaki Nishimura , Hiroyuki Ajiki , Shuhei Yada , Yasuharu Shinokawa
Abstract: An organic EL display panel includes a substrate, a plurality of pixel electrodes disposed in a matrix pattern over the substrate, a first current feeding auxiliary electrode layer disposed to extend in a column or row direction in at least one of gaps between adjacent ones of the pixel electrodes over the substrate, a second current feeding auxiliary electrode layer that contains aluminum as a main constituent and is disposed to be superposed on the first current feeding auxiliary electrode layer, a plurality of light emitting layers disposed on the plurality of pixel electrodes, and a common electrode layer disposed continuously to cover the first current feeding auxiliary electrode layer and the second current feeding auxiliary electrode layer as well as an upper side of the plurality of light emitting layers.
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