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1.发明申请BLUE ORGANIC EL ELEMENT, ORGANIC EL DISPLAY PANEL, AND MANUFACTURING METHOD OF BLUE ORGANIC EL ELEMENT 有权蓝色有机EL元件，有机EL显示面板和蓝色有机EL元件的制造方法公开(公告)号：US20160329388A1
公开(公告)日：2016-11-10
申请号：US15150065
申请日：2016-05-09
Applicant: JOLED INC. , Japan Display Inc.
Inventor： Kazuhiro YOKOTA , Masaki NISHIMURA , Hiroyuki AJIKI
CPC classification number: H01L27/3246 , H01L27/3211 , H01L27/323 , H01L51/5012 , H01L51/5016 , H01L51/5036 , H01L51/5265 , H01L2251/55 , H01L2251/558
Abstract: An organic electroluminescence (EL) element emitting blue light from a light emitting surface and including: a first electrode; an organic light-emitting layer disposed on the first electrode and/or closer to the light emitting surface than the first electrode; and a second electrode disposed on the organic light-emitting layer and/or closer to the light emitting surface than the organic light-emitting layer. In the organic EL element emitting blue light, the organic light-emitting layer contains an organic light-emitting material emitting, through photoluminescence, blue light that has a CIE y coordinate no greater than 0.13 such that a luminance drop due to film shape is suppressed to 10% or smaller.
Abstract translation: 一种从发光表面发射蓝光的有机电致发光（EL）元件，包括：第一电极; 设置在所述第一电极上和/或比所述第一电极更靠近所述发光表面的有机发光层; 以及设置在有机发光层上和/或比有机发光层更靠近发光面的第二电极。 在发射蓝色光的有机EL元件中，有机发光层含有通过光致发光发射CIE y坐标不大于0.13的蓝色光的有机发光材料，使得由于膜形状引起的亮度降低被抑制 至10％以下。
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公开(公告)号：US20180233691A1
公开(公告)日：2018-08-16
申请号：US15892537
申请日：2018-02-09
Applicant: JOLED INC.
Inventor： Hiroyuki AJIKI , Masaki NISHlMURA
Abstract: There is provided an organic EL display panel having a substrate, a plurality of pixel electrodes arranged in a matrix pattern on the substrate, and a light-emitting layer formed on each pixel electrode. The organic EL display panel includes a power supply auxiliary electrode layer securing an electrode forming region which extends in a row direction or a column direction on at least one of gaps between pixel electrodes adjoining to each other on the substrate in the row or column direction and being formed so as not to come into contact with the pixel electrode adjoining to the electrode forming region, a functional layer configured to be formed so as to extend over the light-emitting layer and the power supply auxiliary electrode layer, and a common electrode layer configured to be formed so as to continuously extend on the functional layer.
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3.发明申请公开(公告)号：US20160172617A1
公开(公告)日：2016-06-16
申请号：US14963628
申请日：2015-12-09
Applicant: JOLED INC.
Inventor： Hideyuki SHIRAHASE , Hiroyuki AJIKI , Jun HASHIMOTO
CPC classification number: H01L51/5265 , H01L51/5234 , H01L2251/558
Abstract: An organic EL element includes: a light-reflective anode; a light-emitting layer that is disposed above the anode; a fluorine compound layer that is disposed on the light-emitting layer, and includes a fluorine compound including a first metal that is an alkali metal or an alkaline-earth metal; a functional layer that is disposed on the fluorine compound layer, and has at least one of an electron transport property and an electron injection property; a light-transmissive cathode that is disposed above the functional layer, and includes a metal layer, wherein the functional layer includes a second metal in a region thereof that is in contact with the fluorine compound layer, the second metal being an alkali metal or an alkaline-earth metal.
Abstract translation: 有机EL元件包括：反光阳极; 设置在阳极上方的发光层; 氟化合物层，其设置在发光层上，并且包含含有作为碱金属或碱土金属的第一金属的氟化合物; 设置在氟化合物层上的功能层，具有电子传输性和电子注入性中的至少一种; 设置在所述功能层上方的金属层，其特征在于，所述功能层包括与所述氟化合物层接触的区域中的第二金属，所述第二金属为碱金属或 碱土金属。
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公开(公告)号：US20200020878A1
公开(公告)日：2020-01-16
申请号：US16581900
申请日：2019-09-25
Applicant: JOLED INC.
Inventor： Hiroyuki AJIKI , Masaki NISHlMURA
Abstract: An organic EL display panel includes a substrate, pixel electrodes, a current feeding auxiliary electrode layer provided to extend in a column direction over gaps between the pixel electrodes adjacent in a row direction, light emitting layers that each contain an organic light emitting material and are disposed over the pixel electrodes, a functional layer provided ranging over the light emitting layers and over the current feeding auxiliary electrode layer, and a common electrode layer provided continuously over the functional layer. A part of the functional layer is lacking or thinned. The common electrode layer is in direct contact with the current feeding auxiliary electrode layer exposed due to the lacking of the functional layer, or is electrically connected to the current feeding auxiliary electrode layer at a lower resistance at the thinned part of the functional layer than at other parts of the functional layer.
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公开(公告)号：US20190252635A1
公开(公告)日：2019-08-15
申请号：US16392558
申请日：2019-04-23
Applicant: JOLED INC.
Inventor： Masaki NISHIMURA , Hiroyuki AJIKI , Shuhei YADA , Yasuharu SHINOKAWA
CPC classification number: H01L51/5212 , H01L27/3258 , H01L51/5056 , H01L51/5072 , H01L51/5088 , H01L51/5234
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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Patent Agency Ranking
公开(公告)号：US20180294428A1
公开(公告)日：2018-10-11
申请号：US15945655
申请日：2018-04-04
Applicant: JOLED INC.
Inventor： Masaki NISHIMURA , Hiroyuki AJIKI , Shuhei YADA , Yasuharu SHINOKAWA
CPC classification number: H01L51/5212 , H01L27/3258 , H01L51/5056 , H01L51/5072 , H01L51/5088 , H01L51/5234
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：US20180090716A1
公开(公告)日：2018-03-29
申请号：US15715800
申请日：2017-09-26
Applicant: JOLED INC.
Inventor： Hideyuki SHIRAHASE , Hiroyuki AJIKI , Jun HASHIMOTO , Masaki NISHIMURA
CPC classification number: H01L51/5265 , H01L27/3211 , H01L27/3244 , H01L51/5008 , H01L51/5012 , H01L51/5076 , H01L51/5092 , H01L51/5218 , H01L51/5234 , H01L51/56 , H01L2251/301 , H01L2251/308 , H01L2251/5315 , H01L2251/558
Abstract: An organic electroluminescence element includes an anode, a light-emitting layer disposed over the anode, a functional layer disposed on the light-emitting layer in contact with the light-emitting layer and including a first metal, a light-transmitting conductive layer disposed on the functional layer in contact with the functional layer and composed of a metallic oxide, and a cathode disposed on the light-transmitting conductive layer in contact with the light-transmitting conductive layer and composed of a metal. The functional layer has a film thickness of 15 to 35 nm. A surface of the anode on the light-emitting layer side and an interface between the cathode and the light-transmitting conductive layer are spaced from each other by not less than 150 nm.
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8.发明申请公开(公告)号：US20160172628A1
公开(公告)日：2016-06-16
申请号：US14964941
申请日：2015-12-10
Applicant: JOLED INC.
Inventor： Jun HASHIMOTO , Hiroyuki AJIKI , Hideyuki SHIRAHASE
CPC classification number: H01L51/5076 , H01L51/002 , H01L2251/5315 , H01L2251/5346
Abstract: An organic EL element includes: a light-reflective anode; a light-emitting layer that is disposed above the anode, and emits blue light; a functional layer that is disposed on the light-emitting layer, includes an organic material having electron transport property, and is doped with doping metal that is alkali metal or alkaline-earth metal; and a light-transmissive cathode that is disposed on the functional layer, and includes a metal layer. An optical cavity is formed between the anode and the cathode. The functional layer has a first region and a second region that are in contact with each other, the first region is in contact with the cathode, and the second region is closer to the light-emitting layer than the first region is, and the first region has concentration of the doping metal higher than the second region has.
Abstract translation: 有机EL元件包括：反光阳极; 设置在阳极上方并发出蓝色光的发光层; 设置在发光层上的功能层包括具有电子传输性的有机材料，并掺杂有作为碱金属或碱土金属的掺杂金属; 以及设置在功能层上的透光阴极，并且包括金属层。 在阳极和阴极之间形成光腔。 功能层具有彼此接触的第一区域和第二区域，第一区域与阴极接触，第二区域比第一区域更靠近发光层，第一区域与第一区域接近 区域的掺杂金属的浓度高于第二区域。
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公开(公告)号：US20160005798A1
公开(公告)日：2016-01-07
申请号：US14771577
申请日：2013-08-20
Applicant: JOLED INC.
Inventor： Toshiyuki AKIYAMA , Hiroyuki AJIKI
CPC classification number: H01L27/3211 , H01L27/3246 , H01L51/5012 , H01L51/5036 , H01L51/5056 , H01L2251/558
Abstract: An EL display device including a light emitter configured to emit at least red, green, and blue light; and a thin film transistor array that controls light emission. The light emitter includes light-emitting layers within areas defined by a bank that emit at least red, green, and blue light. The light emitter further includes electrodes that extend under the bank and hole transport layers that are above the electrodes within the areas defined by the bank, the light-emitting layers being formed on the hole transport layers. The hole transport layers each have a main portion and a peripheral protrusion in contact with a side surface of the bank that protrudes upwards from the main portion. The light-emitting layers each have a peripheral protrusion in contact with a side surface of the bank, formed above a corresponding one of the peripheral protrusions.
Abstract translation: 一种EL显示装置，包括被配置为发射至少红色，绿色和蓝色光的发光体; 以及控制发光的薄膜晶体管阵列。 光发射器包括发射至少红色，绿色和蓝色光的堤区限定的区域内的发光层。 光发射器还包括在由堤组限定的区域内在电极上方的堤岸和空穴传输层下延伸的电极，发光层形成在空穴传输层上。 空穴输送层各自具有主体部分和周边突起，与主体部分向上突出的堤岸的侧表面接触。 所述发光层各自具有与所述堤的侧面接触的周边突起，形成在相应的一个周边突起的上方。
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公开(公告)号：US20180233694A1
公开(公告)日：2018-08-16
申请号：US15898311
申请日：2018-02-16
Applicant: JOLED INC.
Inventor： Hiroyuki AJIKI , Masaki NISHlMURA
CPC classification number: H01L51/5228 , H01L27/3211 , H01L27/3246 , H01L27/3258 , H01L27/3276 , H01L27/3279 , H01L51/5284 , H01L51/56
Abstract: An organic EL display panel includes a substrate, pixel electrodes, a current feeding auxiliary electrode layer provided to extend in a column direction over gaps between the pixel electrodes adjacent in a row direction, light emitting layers that each contain an organic light emitting material and are disposed over the pixel electrodes, a functional layer provided ranging over the light emitting layers and over the current feeding auxiliary electrode layer, and a common electrode layer provided continuously over the functional layer. A part of the functional layer is lacking or thinned. The common electrode layer is in direct contact with the current feeding auxiliary electrode layer exposed due to the lacking of the functional layer, or is electrically connected to the current feeding auxiliary electrode layer at a lower resistance at the thinned part of the functional layer than at other parts of the functional layer.
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