公开(公告)号：US12052904B2

公开(公告)日：2024-07-30

申请号：US17586052

申请日：2022-01-27

申请人： SEIKO EPSON CORPORATION

发明人： Takehiko Kubota

IPC分类号： H10K59/82 ,  H10K59/80

CPC分类号： H10K59/876

摘要： An organic EL device includes a counter electrode, a first reflection layer provided so as to be separate from the counter electrode by a first optical distance, a first pixel electrode provided between the counter electrode and the first reflection layer, a light emitting layer provided between the counter electrode and the first pixel electrode, an optical distance adjustment layer provided between the first pixel electrode and the first reflection layer, and a first relay electrode provided between the first pixel electrode and the first reflection layer, and configured to electrically couple the first pixel electrode and the first reflection layer, wherein the optical distance adjustment layer is provided so as to be separate from the first relay electrode.

公开(公告)号：US20240206235A1

公开(公告)日：2024-06-20

申请号：US18287927

申请日：2021-05-28

申请人： Sharp Display Technology Corporation

发明人： Youhei NAKANISHI

IPC分类号： H10K59/122 ,  H10K59/35 ,  H10K59/80

CPC分类号： H10K59/122 ,  H10K59/35 ,  H10K59/876

摘要： A display device comprises a bank in which a plurality of holes are formed; and a plurality of light-emitting layers formed in the plurality of holes, wherein, among the plurality of light-emitting layers, a light-emitting layer, which is provided closer to a position in which the plurality of holes are low in density, exhibits a greater emission wavelength.

公开(公告)号：US20240032401A1

公开(公告)日：2024-01-25

申请号：US18034582

申请日：2021-12-10

申请人： Sony Semiconductor Solutions Corporation

发明人： Masaya Ogura ,  Tomoyoshi Ichikawa ,  Takashi Sakairi

IPC分类号： H10K59/80 ,  H10K59/35

CPC分类号： H10K59/879 ,  H10K59/876 ,  H10K59/878 ,  H10K59/353

摘要： Provided is a display device capable of preventing the generation of a step between subpixels.
A display device includes a substrate and subpixels of a plurality of colors two-dimensionally arranged on the substrate. Each of the subpixels includes a light-emitting element with a resonator structure, and the light-emitting element includes a reflective layer, an optical path length adjustment layer, a first electrode, an electroluminescent layer, and a second electrode in this order. The optical path length adjustment layer has a facing surface facing the electroluminescent layer, and the height of the facing surface is constant for each of the subpixels of the plurality of colors. The optical path length adjustment layer includes a plurality of refractive index layers with different refractive indexes, and the optical path length adjustment layer has a different layer configuration for each of the subpixels of the plurality of colors.

公开(公告)号：US20230247884A1

公开(公告)日：2023-08-03

申请号：US18102212

申请日：2023-01-27

申请人： Universal Display Corporation

发明人： Michael HACK ,  Michael Stuart WEAVER ,  Eric A. MARGULIES ,  Lorne A. WHITEHEAD

IPC分类号： H10K59/35 ,  H10K59/80

CPC分类号： H10K59/353 ,  H10K59/876 ,  H10K59/8793 ,  H10K59/80518

摘要： Embodiments of the disclosed subject matter provide a device including an organic light emitting device (OLED) display having at least one pixel having a plurality of sub-pixels, where at least one color sub-pixel of the plurality of sub-pixels may be configured to output red light, green light, and/or blue light. The device may include at least one sub-pixel that is configured to have a Lambertian emission, and at least one sub-pixel having a microcavity configured for direct emission such that a first ratio of light from the direct emission sub-pixel in a cone having an angle of 0-20° in a normal direction relative to an overall light emission from the direct emission sub-pixel having at least 10%, at least 20%, and/or at least 30% higher than a second ratio of light from the Lambertian emission sub-pixel.

公开(公告)号：US20240180002A1

公开(公告)日：2024-05-30

申请号：US18551644

申请日：2022-03-04

申请人： SONY SEMICONDUCTOR SOLUTIONS CORPORATION

发明人： Tomoyoshi ICHIKAWA

IPC分类号： H10K59/80 ,  H10K59/12 ,  H10K59/35

CPC分类号： H10K59/876 ,  H10K59/1201 ,  H10K59/35

摘要： Provided are a display device and an electronic device in which a level difference between front sub-pixels can be suppressed even if a resonator structure is included, and a method of manufacturing the display device. A display device includes a plurality of sub-pixels corresponding to a plurality of color types, in which each of the sub-pixels includes a light emitting element including a first electrode, an organic layer, and a second electrode, and in at least the sub-pixels corresponding to one color type, a resonator structure that causes emitted light from the organic layer to resonate is formed and a refractive index adjustment layer is included in at least one of the first electrode or the second electrode.

公开(公告)号：US20240049574A1

公开(公告)日：2024-02-08

申请号：US17598886

申请日：2021-08-09

申请人： Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.

发明人： Lixuan CHEN

IPC分类号： H10K59/80 ,  H10K59/35

CPC分类号： H10K59/876 ,  H10K59/351

摘要： The present application provides a display panel and a mobile terminal, which can mix the same color light emitted by one of a plurality of light-emitting devices and another one of the plurality of light-emitting devices, thereby simultaneously improving light extraction efficiency and viewing angle characteristics of the display panel.

公开(公告)号：US20240040898A1

公开(公告)日：2024-02-01

申请号：US18200430

申请日：2023-05-22

申请人： Samsung Display Co., LTD.

发明人： Ju Hyun LEE ,  Hyun Eok SHIN ,  Sung Joo KWON

IPC分类号： H10K59/80 ,  H10K59/35 ,  H10K59/00

CPC分类号： H10K59/80518 ,  H10K59/35 ,  H10K59/771 ,  H10K59/876 ,  H10K59/12

摘要： A display device includes: a substrate including a first area, a second area and a third area; a first pixel electrode, a second pixel electrode and a third pixel electrode disposed in the first area, the second area and the third area, respectively, on the substrate; a sub-pixel electrode disposed on the third pixel electrode; a first emissive layer, a second emissive layer and a third emissive layer disposed on the first pixel electrode, the second pixel electrode and the sub-pixel electrode, respectively; and a common electrode disposed on entireties of the first emissive layer, the second emissive layer and the third emissive layer. The sub-pixel electrode includes an upper sub-electrode made of a transparent metal material and a lower sub-electrode having a distance-adjusting function.

公开(公告)号：US20230247859A1

公开(公告)日：2023-08-03

申请号：US18132806

申请日：2023-04-10

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： Hyun KOO ,  Sunjin SONG ,  Wonjae JOO ,  Sunghyun HAN

IPC分类号： H10K50/86 ,  H10K50/17 ,  H10K50/852 ,  H10K50/856 ,  H10K59/35 ,  H10K59/80

CPC分类号： H10K50/865 ,  H10K50/171 ,  H10K50/852 ,  H10K50/856 ,  H10K59/351 ,  H10K59/876

摘要： Provide is a light emitting device including a reflective layer including a phase modulation surface, a planarization layer disposed on the reflective layer, a first electrode disposed on the planarization layer, an organic emission layer disposed on the first electrode and configured to emit visible light that includes light of a first wavelength and light of a second wavelength that is shorter than the first wavelength, and a second electrode disposed on the organic emission layer, wherein the reflective layer and the second electrode form a micro cavity configured to resonate the light of the first wavelength, and wherein the planarization layer includes a light absorber configured to absorb the light of the second wavelength.

公开(公告)号：US20240334751A1

公开(公告)日：2024-10-03

申请号：US18616053

申请日：2024-03-25

申请人： SEIKO EPSON CORPORATION

发明人： Takehiko KUBOTA

IPC分类号： H10K59/122 ,  H10K59/80

CPC分类号： H10K59/122 ,  H10K59/876 ,  H10K59/878

摘要： An electro-optical device includes a first light-emitting element including a first pixel electrode, and a first light emission function layer including a first light-emitting layer, a first contact portion, a second light-emitting element including a second pixel electrode, a second light emission function layer, a second contact portion, and a pixel separation layer including a first opening portion and a second opening portion. The first pixel electrode includes a first electrode portion and a first coupling portion overlapping the first contact portion. The second pixel electrode includes a second electrode portion and a second coupling portion overlapping the second contact portion. The first coupling portion includes a portion located closer to the counter electrode than the first electrode portion. The second coupling portion includes a portion located closer to the counter electrode than the second electrode portion. In a first direction, a position of the first coupling portion and a position of the second coupling portion are equal to each other.

公开(公告)号：US20240065078A1

公开(公告)日：2024-02-22

申请号：US18486878

申请日：2023-10-13

申请人： CANON KABUSHIKI KAISHA

发明人： NORIFUMI KAJIMOTO ,  KOJI ISHIZUYA ,  TAKAYUKI ITO ,  HIROAKI SANO ,  TETSUO TAKAHASHI ,  YOJIRO MATSUDA

IPC分类号： H10K59/80 ,  H10K59/122

CPC分类号： H10K59/879 ,  H10K59/876 ,  H10K59/122

摘要： The present disclosure provides a light-emitting apparatus including an insulating layer, a light-emitting element disposed on a main surface of the insulating layer, the light-emitting element containing a light-emitting material and having a resonator structure, and a lens disposed above the light-emitting element, a photoluminescence (PL) spectrum of the light-emitting material having a first peak with a wavelength λPL in a visible light range, wherein the resonator structure satisfies Exp. (1),


|λEL−λPL|