公开(公告)号：US20240276847A1

公开(公告)日：2024-08-15

申请号：US18566779

申请日：2021-07-13

Applicant: SHARP KABUSHIKI KAISHA

Inventor： YASUSHI ASAOKA ,  JUN SAKUMA

IPC: H10K59/80 ,  H10K71/60

CPC classification number: H10K59/878 ,  H10K59/80518 ,  H10K59/877 ,  H10K59/879 ,  H10K59/8793 ,  H10K71/60

Abstract: A display device includes subpixels including light-emitting elements; reflective portions provided in part of the subpixels and each having a reflective surface inclined with respect to a surface of a substrate; a high refractive index layer provided on a second electrode, and guiding light, to the reflective surface, entering from the second electrode side at an angle equal to or greater than a total reflection critical angle and transmit light entering at an angle less than the total reflection critical angle; a substrate provided to face the surface; and a spacer forming a gap layer having a certain thickness between the substrate and the high refractive index layer provided at least in a region not overlapping the reflective portions in a plan view, and dispose the substrate away from the reflective portions. The refractive index of the high refractive index layer is higher than that of the gap layer.

公开(公告)号：US20230057673A1

公开(公告)日：2023-02-23

申请号：US17790706

申请日：2020-01-06

Applicant: SHARP KABUSHIKI KAISHA

Inventor： YASUSHI ASAOKA ,  Sentaro KIDA ,  JUN SAKUMA

IPC: H01L27/15 ,  H01L33/62 ,  H01L33/42 ,  H01L33/40 ,  H01L33/50 ,  H01L33/38

Abstract: A display device includes: a substrate; a flattened layer; at least one first light-emitting element; at least one second light-emitting element; at least one first drive circuit; and at least one second drive circuit, wherein light emitted by the first light-emitting element is taken out through the substrate, light emitted by the second light-emitting element is taken out from a direction opposite to a direction in which the light emitted by the first light-emitting element is taken out, the first light-emitting element is provided in an opening provided in the flattened laver, the second light-emitting element is provided in a layer above the flattened layer and overlaps the flattened layer, and the first drive circuit and the second drive circuit are provided closer to the substrate than the second light-emitting element.

公开(公告)号：US20220416213A1

公开(公告)日：2022-12-29

申请号：US17778989

申请日：2019-12-02

Applicant: SHARP KABUSHIKI KAISHA

Inventor： JUN SAKUMA ,  YASUSHI ASAOKA

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

Abstract: A display device, includes: a first light-emitting element emitting a first light having a first wavelength; and a second light-emitting element emitting a second light having a second wavelength, the first light and the second light being released in a first direction; a first optical layer formed in a second direction with respect to the first light-emitting element, and positioned to coincide with the first light-emitting element in the second direction, the first optical layer being transparent to the light having the second wavelength and reflective or absorptive of the light having the first wavelength; and a second optical layer formed in the second direction with respect to the second light-emitting element, and positioned to coincide with the second light-emitting element in the second direction, the second optical layer being transparent to the light having the first wavelength and reflective or absorptive of the light having the second wavelength.

公开(公告)号：US20240074269A1

公开(公告)日：2024-02-29

申请号：US18272372

申请日：2021-01-18

Applicant: SHARP KABUSHIKI KAISHA

Inventor： MAKOTO KITAGAWA ,  JUN SAKUMA ,  Yunting SHEN

IPC: H10K59/35 ,  H10K71/12

CPC classification number: H10K59/35 ,  H10K71/12 ,  H10K2102/331

Abstract: A display device is a display device provided with a display region including a plurality of pixels and a frame region surrounding the display region, and includes: a thin film transistor layer; and a light-emitting element layer including a plurality of light-emitting elements, each including a first electrode, a function layer, and a second electrode, and each having a different luminescent color, wherein the function layer includes a light-emitting layer, and a pair of holding layers sandwiching the light-emitting layer and each including a photosensitive material and a conductive nanoparticle.

公开(公告)号：US20240057394A1

公开(公告)日：2024-02-15

申请号：US18266820

申请日：2020-12-22

Applicant: SHARP KABUSHIKI KAISHA

Inventor： JUN SAKUMA ,  YASUSHI ASAOKA

IPC: H10K59/122 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K59/1201

Abstract: A display device includes a first common charge transport layer, a first light-emitting layer and a second light-emitting layer each of which is formed on the first common charge transport layer, a common electrode formed over both of the first light-emitting layer and the second light-emitting layer, and a leakage blocking layer having an insulating property, the leakage blocking layer being superimposed on two adjacent end portions of the first light-emitting layer and the second light-emitting layer in plan view, and a distance between the first common charge transport layer and the common electrode is larger in a first region where each of the first light-emitting layer and the second light-emitting layer is superimposed on the leakage blocking layer than in a second region where each of the first light-emitting layer and the second light-emitting layer is not superimposed on the leakage blocking layer.

公开(公告)号：US20230276645A1

公开(公告)日：2023-08-31

申请号：US18014637

申请日：2020-07-22

Applicant: SHARP KABUSHIKI KAISHA

Inventor： YASUSHI ASAOKA ,  JUN SAKUMA ,  Takahiro ADACHI

IPC: H10K50/13 ,  H10K50/16 ,  H10K50/18

CPC classification number: H10K50/13 ,  H10K50/166 ,  H10K50/181

Abstract: A light-emitting device includes a first light-emitting layer disposed between a cathode and an anode and having a light emission central wavelength being a first wavelength; a second light-emitting layer disposed between the anode and the first light-emitting layer, having a light emission central wavelength being a second wavelength shorter than the first wavelength, and having an electron affinity lower than an electron affinity of the first light-emitting layer; and a first electron transport layer disposed between the first light-emitting layer and the second light-emitting layer in the second light-emitting region and having magnitude of an electron affinity between an electron affinity of the first light-emitting layer and an electron affinity of the second light-emitting layer.

公开(公告)号：US20200278126A1

公开(公告)日：2020-09-03

申请号：US16759978

申请日：2018-10-30

Applicant: SHARP KABUSHIKI KAISHA

Inventor： TETSUYA IDE ,  SHO OCHI ,  MAKOTO YAMADA ,  HIROKA HAMADA ,  JUN SAKUMA ,  TSUYOSHI KAMADA

IPC: F24F11/00 ,  F24F3/14 ,  F24F11/86

Abstract: An air conditioning apparatus according to an aspect of the invention includes: an air conditioner that has a heat pump; a humidity controller of a wet desiccant type; an air transport flow path through which air discharged from the air conditioner is transported to the humidity controller; and a control unit that includes an air conditioner temperature control unit controlling a temperature of air discharged from the air conditioner and a humidity controller humidity control unit controlling a humidity of air discharged from the humidity controller. The air conditioner supplies the air, the temperature of which is controlled, to the humidity controller via the air transport flow path and the humidity controller discharges the air, the humidity of which is controlled, into a room.

公开(公告)号：US20190317349A1

公开(公告)日：2019-10-17

申请号：US16313424

申请日：2017-06-29

Applicant: SHARP KABUSHIKI KAISHA

Inventor： MASAKAZU KAMURA ,  JUN SAKUMA ,  SHIGERU AOMORI ,  KATSUMI KONDOH

IPC: G02F1/133 ,  G02F1/1339 ,  G09G3/36 ,  G02F1/1345

Abstract: A liquid crystal composition contains liquid crystal molecules. The liquid crystal molecules include 17 mol % or more of first liquid crystal molecules represented by the following formula with respect to the whole liquid crystal molecules: R1—R2x—R3—R4y—R5  (A) (where R1 and R5 are linear alkyl groups containing 1 to 8 carbon atoms; R2 and R4 are trans-1,4-cyclohexylene groups or 1,4-phenylene groups; R3 is a trans-1,4-cyclohexylene group, a 1,4-phenylene group, a 2,3-difluoro-trans-1,4-cyclohexylene group, a 2,3-difluoro-1,4-phenylene group, a 2,3-dichloro-trans-1,4-cyclohexylene group, or a 2,3-dichloro-1,4-phenylene group; x is an integer of 0 to 3; and y is an integer of 0 to 3).

公开(公告)号：US20240244885A1

公开(公告)日：2024-07-18

申请号：US18288288

申请日：2021-06-03

Applicant: SHARP KABUSHIKI KAISHA

Inventor： JUN SAKUMA ,  YASUSHI ASAOKA

IPC: H10K59/122 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K59/1201

Abstract: A hole transport layer serving as a target layer includes a part of a region formed between a plurality of lower electrodes and a partition, and includes a first portion and a second portion across at least one of a non-formation portion of the target layer and a region where the target layer is thinner than the target layer on the plurality of lower electrodes in the reverse tapered portion.

公开(公告)号：US20240032320A1

公开(公告)日：2024-01-25

申请号：US18265978

申请日：2020-12-22

Applicant: SHARP KABUSHIKI KAISHA

Inventor： YASUSHI ASAOKA ,  JUN SAKUMA ,  Takahiro ADACHI

IPC: H10K50/115 ,  H10K71/60 ,  H10K71/20

CPC classification number: H10K50/115 ,  H10K71/60 ,  H10K71/221

Abstract: A method of manufacturing a display device includes: a) forming a first pixel electrode and a second pixel electrode; b) forming a first light-emitting layer on the first pixel electrode; c) forming a photosensitive resin layer on the second pixel electrode and on the first light-emitting layer; d) forming a photosensitive resin pattern having an opening on the second pixel electrode and including a structural member e) forming a light-emitting material layer on the photosensitive resin pattern and on an opening bottom portion that is at least a part of the second pixel electrode and that is provided below the opening; and f) forming a second light-emitting layer on the second pixel electrode by lifting off a first lift-off portion that is a part of the photosensitive resin pattern and a second lift-off portion that is a part of the light-emitting material layer, with the structural member being left intact.