公开(公告)号：US10553805B2

公开(公告)日：2020-02-04

申请号：US16003187

申请日：2018-06-08

Applicant: JOLED INC.

Inventor： Noriteru Maeda ,  Kenichi Nendai

IPC: H01L51/50 ,  H01L51/52 ,  H01L27/32 ,  H01L51/56 ,  H01L51/00 ,  H01L27/12 ,  G09G3/3208

Abstract: An organic EL display panel with improved visibility is disclosed which includes sub-pixels each emitting light of a color selected from R, G, and B and disposed in a matrix, pixel electrodes disposed above a substrate in the matrix corresponding to the sub-pixels, and column banks row-directionally arranged extending in the column direction. The organic EL display panel further includes pairs of auxiliary column banks extending parallel to the main column banks, disposed in gaps between pairs of the column banks adjacent to each other where the pixel electrodes corresponding to the sub-pixels emitting the B color are present, each pair of the auxiliary column banks covering both edges in the row direction of each of the pixel electrodes therebetween.

公开(公告)号：US09356252B2

公开(公告)日：2016-05-31

申请号：US14371073

申请日：2013-01-10

Applicant: JOLED INC.

Inventor： Yuuki Abe ,  Kenichi Nendai ,  Shuhei Yada ,  Kou Sugano

IPC: H01L51/52 ,  H01L51/56 ,  H01L27/32

CPC classification number: H01L51/5203 ,  H01L27/3248 ,  H01L27/3258 ,  H01L51/52 ,  H01L51/56 ,  H01L2227/323

Abstract: An electronic device includes a substrate, a first conductive layer disposed over the substrate, an organic insulating layer, including an organic material, disposed over the first conductive layer and having an aperture exposing a portion of the first conductive layer, a second conductive layer, which is metallic, covering a top face of the organic insulating layer, an inner circumferential face that faces the aperture in the organic insulating layer, and the exposed portion of the first conductive layer, and an intermediate layer that includes an oxide or a nitride, disposed only between the second conductive layer and the inner circumferential face that faces the aperture in the organic insulating layer. The first conductive layer and the second conductive layer are in contact at the bottom face of the aperture in the organic insulating layer.

Abstract translation: 电子器件包括衬底，设置在衬底上的第一导电层，包括有机材料的有机绝缘层，设置在第一导电层上并具有暴露第一导电层的一部分的孔，第二导电层， 金属的，覆盖有机绝缘层的顶面，面向有机绝缘层中的孔的内周面和第一导电层的暴露部分，以及包含氧化物或氮化物的中间层， 仅设置在第二导电层和面向有机绝缘层中的孔的内周面之间。 第一导电层和第二导电层在有机绝缘层的孔的底面接触。

公开(公告)号：US09103017B2

公开(公告)日：2015-08-11

申请号：US14355946

申请日：2012-11-07

Applicant: JOLED INC.

Inventor： Yuuki Abe ,  Kenichi Nendai ,  Naoko Mizusaki

IPC: H01L51/52 ,  H01L51/54 ,  H01L51/56 ,  C23C14/34 ,  C23C14/14 ,  C23C14/08 ,  C23C4/10 ,  C23C4/08 ,  C23C14/00 ,  C23C4/18 ,  H01L51/50 ,  H05B33/10 ,  H05B33/26 ,  H01L51/00 ,  H01L27/32

CPC classification number: C23C14/08 ,  C23C4/08 ,  C23C4/11 ,  C23C4/18 ,  C23C14/0084 ,  C23C14/081 ,  C23C14/14 ,  C23C14/34 ,  H01L27/3246 ,  H01L51/001 ,  H01L51/5008 ,  H01L51/5088 ,  H01L51/5206 ,  H01L51/5218 ,  H01L2251/5315 ,  H05B33/10 ,  H05B33/26

Abstract: An organic display panel having a high luminance, and including an organic light emitting element that includes a bottom electrode, a hole-injection layer, an organic light emitting layer, and a top electrode layered in the stated order on a substrate. The bottom electrode is composed of a material that is aluminum, silver, or an alloy including at least one of aluminum and silver. The hole-injection layer contains an oxide of a transition metal. The organic light emitting element further includes a mixed oxidized thin film interposed between and in contact with the bottom electrode and the hole-injection layer, the mixed oxidized thin film being composed of an oxidized mixture of the same material as the material in the bottom electrode and the same transition metal as the transition metal in the hole-injection layer.

Abstract translation: 具有高亮度的有机显示面板，并且包括在基板上按顺序层叠的底电极，空穴注入层，有机发光层和顶电极的有机发光元件。 底部电极由铝，银或包含铝和银中的至少一种的合金构成。 空穴注入层含有过渡金属的氧化物。 有机发光元件还包括插入在底电极和空穴注入层之间并与底电极和空穴注入层接触的混合氧化薄膜，所述混合氧化薄膜由与底电极中的材料相同的材料的氧化混合物 以及与空穴注入层中的过渡金属相同的过渡金属。

公开(公告)号：US10109691B2

公开(公告)日：2018-10-23

申请号：US15320305

申请日：2015-06-24

Applicant: JOLED INC.

Inventor： Kenichi Nendai ,  Nobuto Hosono

IPC: H01L51/40 ,  H01L27/32 ,  H01L51/00 ,  H01L51/56

Abstract: An organic EL display panel manufacturing method including: preparing a substrate; forming at least first electrodes on the substrate; forming, by performing photolithography on the substrate having the first electrodes, a bank layer made of a photoresist and having apertures corresponding one-to-one with the first electrodes; forming a functional layer in each of the apertures by applying an ink containing a functional material to the aperture and drying the applied ink; and forming at least a second electrode on the functional layer. The forming of the bank layer includes: applying the photoresist to the substrate having the first electrodes; forming apertures corresponding one-to-one with the first electrodes in the photoresist by performing exposure using a mask and then developing the photoresist; after forming the apertures, performing exposure of the photoresist having the apertures; after performing the exposure of the photoresist having the apertures, baking the photoresist.

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

IPC: H01L29/08 ,  H01L29/04 ,  H01L29/18 ,  H01L27/32

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.

公开(公告)号：US10692946B2

公开(公告)日：2020-06-23

申请号：US16302666

申请日：2017-05-17

Applicant: JOLED INC.

Inventor： Jiro Yamada ,  Kazuma Teramoto ,  Kenichi Nendai ,  Kaoru Abe ,  Hideki Kobayashi ,  Hirotaka Nanno

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/00 ,  H01L51/50 ,  H01L51/56

Abstract: An organic electroluminescence (EL) display panel includes pixels arranged in a matrix of rows and columns, and includes: a substrate; pixel electrode layers that are arranged on the substrate in the matrix; an insulating layer that is provided above the substrate and the pixel electrode layers, and has elongated openings and a grooved portion for each of the pixels, the openings extending in a column direction and being arranged in a row direction, the grooved portion having an upper opening and a bottom and being communicated with at least one of the openings in plan view; organic functional layers that are provided above the pixel electrode layers, and include light emitting layers in which organic electroluminescence occurs in the openings; and a light-transmissive counter electrode layer that is provided above the organic functional layers. Cross-sectional profiles of the openings taken along the row direction are uniform in the column direction.

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.

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.

公开(公告)号：US09865663B2

公开(公告)日：2018-01-09

申请号：US14963652

申请日：2015-12-09

Applicant: JOLED INC.

Inventor： Nobuto Hosono ,  Kenichi Nendai

IPC: H01L27/32

CPC classification number: H01L27/3246 ,  H01L2251/558

Abstract: An organic light-emitting device including a substrate, first electrodes, first banks extending in a first direction, second banks extending in a second direction, organic functional layers each including an organic light-emitting layer, and a second electrode. The second banks include an organic fluorine compound, and have portions intersecting with and disposed above the first banks. Each of the first banks includes an organic bank layer including an organic material and an inorganic bank layer disposed on the organic bank layer. For each of the first banks, an uppermost surface thereof is a surface of the inorganic bank layer included therein.

公开(公告)号：US09123682B2

公开(公告)日：2015-09-01

申请号：US14131505

申请日：2013-04-17

Applicant: JOLED INC.

Inventor： Naoko Mizusaki ,  Kenichi Nendai

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/50

CPC classification number: H01L27/3276 ,  H01L27/3211 ,  H01L27/3216 ,  H01L51/5016 ,  H01L51/529

Abstract: A light-emission device includes a substrate and a G light-emission layer; an R light-emission layer, a B light-emission layer, and a wiring layer made of metal that are each arranged above the substrate. Each of the G light-emission layer, the R light-emission layer, and the B light-emission layer contains light-emission material. An amount of heat that the B light-emission layer generates upon light emission is greater than an amount of heat that the G light-emission layer generates upon light emission. Further, the B light-emission layer directly faces the wiring layer at a facing edge portion.

Abstract translation: 发光装置包括基板和G发光层; R发光层，B发光层和由金属制成的布线层，其布置在基板的上方。 G发光层，R发光层和B发光层均含有发光材料。 B发光层在发光时产生的热量大于G发光层在发光时产生的热量。 此外，B发光层在面对边缘部分直接面向布线层。