公开(公告)号：US20250017073A1

公开(公告)日：2025-01-09

申请号：US18762606

申请日：2024-07-02

Applicant: SEIKO EPSON CORPORATION

Inventor： Yuiga HAMADE

IPC: H10K59/38 ,  G02B27/01 ,  H10K59/80

Abstract: An electro-optical device includes a light-emitting region B and a colored layer Cf_B, a light-emitting region G1 and a colored layer Cf_G disposed adjacent to the light-emitting region B in a Y direction, a light-emitting region R and a colored layer Cf_R disposed adjacent to the light-emitting region G1 in an X direction, and a light-emitting region G2 and a colored layer Cf_G disposed adjacent to the light-emitting region G1 in an E direction, the colored layer Cf_B includes a region Ba overlapping the light-emitting region B, and a region Bb1 located between the light-emitting region G1 and the light-emitting region G2, the colored layer Cf_R includes a region Ra overlapping the light-emitting region R, and a region Rb3 located between the light-emitting region G1 and the light-emitting region G2, and the region Bb1 and the region Rb3 at least partially overlap each other.

公开(公告)号：US20240306467A1

公开(公告)日：2024-09-12

申请号：US18596601

申请日：2024-03-05

Applicant: SEIKO EPSON CORPORATION

Inventor： Jun IROBE ,  Yuiga HAMADE

IPC: H10K59/38 ,  H10K59/80

CPC classification number: H10K59/38 ,  H10K59/871 ,  H10K59/879

Abstract: Provided is a display device including: a first colored layer provided at an opposite side of a first light-emitting element with respect to a sealing layer; and a second colored layer provided at an opposite side of a second light-emitting element with respect to the sealing layer. The first colored layer includes a first flat surface at an opposite side of the sealing layer, a first side surface in contact with the second colored layer, and a first coupling surface inclined with respect to the first flat surface, coupling the first flat surface and the first side surface, and separated from the second colored layer. The second colored layer includes a second flat surface at the opposite side of the sealing layer, a second side surface in contact with the first side surface, and a second coupling surface inclined with respect to the second flat surface, coupling the second flat surface and the second side surface, and separated from the first colored layer. A contact portion between the first side surface and the second side surface contacts with the sealing layer.

公开(公告)号：US20240074292A1

公开(公告)日：2024-02-29

申请号：US18239885

申请日：2023-08-30

Applicant: SEIKO EPSON CORPORATION

Inventor： Yuiga HAMADE

IPC: H10K59/80

CPC classification number: H10K59/878 ,  H10K59/80524 ,  H10K2102/351

Abstract: A display device includes: an organic layer including a light-emitting layer, the light-emitting layer including an organic light-emitting material; a reflective layer configured to reflect light generated at the light-emitting layer; a first electrode that is transparent; a second electrode that is transparent; and an optical adjustment layer configured to adjust an optical distance between the reflective layer and the second electrode. The reflective layer, the optical adjustment layer, the first electrode, the organic layer, and the second electrode are arranged in order. A reflectance of a first interface between the organic layer and the first electrode and a reflectance of a second interface between the organic layer and the second electrode are each 11% or less.

公开(公告)号：US20220026726A1

公开(公告)日：2022-01-27

申请号：US17384813

申请日：2021-07-26

Applicant: SEIKO EPSON CORPORATION

Inventor： Yuiga HAMADE ,  Takumi KODAMA

IPC: G02B27/12 ,  H01L27/32

Abstract: An image light generation device includes a first panel configured to emit a first image light including a blue wavelength region, a second panel configured to emit a second image light including a wavelength region different from the blue wavelength region, and a color combining prism configured to combine the first image light and the second image light. The first panel includes a plurality of first pixels, each of the plurality of first pixels includes a first light emitting element, and a first transistor provided corresponding to the first light emitting element, the second panel includes a plurality of second pixels, each of the plurality of second pixels includes a second light emitting element, and a second transistor provided corresponding to the second light emitting element, and a size of the first transistor is greater than a size of the second transistor.

公开(公告)号：US20180269416A1

公开(公告)日：2018-09-20

申请号：US15914080

申请日：2018-03-07

Applicant: SEIKO EPSON CORPORATION

Inventor： Yuiga HAMADE ,  Tetsuji FUJITA

IPC: H01L51/50

CPC classification number: H01L51/5004 ,  G06F1/1684 ,  G06K9/0004 ,  G06K9/0012 ,  G06K9/2018 ,  G06K9/209 ,  G06K2009/0006 ,  H01L27/3244 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/5012 ,  H01L51/508 ,  H01L51/5084 ,  H01L2251/552 ,  H01L2251/558

Abstract: A light-emitting element according to the invention includes an anode, a cathode, a light-emitting layer which is provided between the anode and the cathode, contains a light-emitting material and a first tetracene-based compound having a tetracene skeleton functioning as a host material that holds the light-emitting material, and emits light in a wavelength region of 600 nm or more by applying a current between the anode and the cathode, and an electron transport layer which is provided between the light-emitting layer and the cathode, and includes a first electron transport layer located on the cathode side and a second electron transport layer located on the light-emitting layer side and containing a second tetracene-based compound having a tetracene skeleton.

公开(公告)号：US20180261773A1

公开(公告)日：2018-09-13

申请号：US15913047

申请日：2018-03-06

Applicant: SEIKO EPSON CORPORATION

Inventor： Hidetoshi YAMAMOTO ,  Yuiga HAMADE ,  Tetsuji FUJITA

IPC: H01L51/00

CPC classification number: H01L51/0061 ,  G06K9/0004 ,  G06K9/00087 ,  G06K2009/00932 ,  H01L51/0054 ,  H01L51/0059 ,  H01L51/0071 ,  H01L51/5012 ,  H01L51/5024 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/508 ,  H01L51/5088 ,  H01L51/5092

Abstract: A light-emitting element according to the invention includes an anode, a cathode, and a light-emitting layer which is provided between the anode and the cathode, contains a light-emitting material and a host material that holds the light-emitting material, and emits light having a peak wavelength in a near-infrared region by applying a current between the anode and the cathode, wherein the content of the light-emitting material in the light-emitting layer is 30 wt % or more and 70 wt % or less. Further, it is preferred that the light-emitting layer emits light having the peak wavelength of 700 nm or more and 960 nm or less.

公开(公告)号：US20170215779A1

公开(公告)日：2017-08-03

申请号：US15422770

申请日：2017-02-02

Applicant: Seiko Epson Corporation

Inventor： Yasunori KOIDE ,  Takashi TOYA ,  Satoshi HIGUCHI ,  Yuiga HAMADE

IPC: A61B5/1455 ,  A61B5/00 ,  A61B5/145

CPC classification number: A61B5/14552 ,  A61B5/14532 ,  A61B5/1455 ,  A61B5/489 ,  A61B5/681 ,  A61B2560/0475 ,  A61B2562/0238 ,  A61B2562/046

Abstract: A biological information acquisition device selects a light emitting unit located above a blood vessel as a measurement light emitting unit, and selects a light receiving unit spaced apart from the measurement light emitting unit by a predetermined distance and located above the blood vessel as a measurement light receiving unit and causes the measurement light receiving unit to acquire a first light receiving result. The device selects a light emitting unit which is not located above the blood vessel as a reference light emitting unit, and selects a light receiving unit spaced apart from the reference light emitting unit by the predetermined distance and not located above the blood vessel as a reference light receiving unit and causes the reference light receiving unit to acquire a second light receiving result.

公开(公告)号：US20250107284A1

公开(公告)日：2025-03-27

申请号：US18891489

申请日：2024-09-20

Applicant: SEIKO EPSON CORPORATION

Inventor： Yuiga HAMADE ,  Narumi ISHIBASHI ,  Hitoshi OTA

IPC: H01L33/38 ,  G02B27/01 ,  H01L33/62

Abstract: An electro-optical device includes a common electrode; a plurality of structural bodies, each including a first semiconductor layer electrically coupled to the first electrode, a second semiconductor layer, and a light emission function layer provided between the first semiconductor layer and the second semiconductor layer; and a driving printed wired board including a pixel electrode and a driving circuit electrically coupled to the pixel electrode. The plurality of structural bodies include a first structural body provided at a position overlapping the pixel electrode in plan view, the pixel electrode being electrically coupled to the second semiconductor layer, and a second structural body provided at a position not overlapping the pixel electrode in plan view, the pixel electrode not being electrically coupled to the second semiconductor layer.

公开(公告)号：US20240334726A1

公开(公告)日：2024-10-03

申请号：US18616522

申请日：2024-03-26

Applicant: SEIKO EPSON CORPORATION

Inventor： Yuiga HAMADE

IPC: H10K50/125 ,  H10K50/82 ,  H10K50/856 ,  H10K59/35 ,  H10K59/80 ,  H10K101/00 ,  H10K101/10

CPC classification number: H10K50/125 ,  H10K50/82 ,  H10K50/856 ,  H10K59/352 ,  H10K59/8052 ,  H10K2101/10 ,  H10K2101/27

Abstract: An electro-optical device includes first light-emitting element including counter electrode, first pixel electrode, and first light-emitting layer, and emitting light in first wavelength region, second light-emitting element including the counter electrode, second pixel electrode, and second light-emitting layer, and emitting light in second wavelength region, first reflection layer, first optical adjustment layer configured to adjust a first optical distance between the first reflection layer and the counter electrode, a second reflection layer, and a second optical adjustment layer configured to adjust a second optical distance between the second reflection layer and the counter electrode, wherein the light, in the first wavelength region resonates between the first reflection layer and the counter electrode, the light, in the second wavelength region resonates between the second reflection layer and the counter electrode, and a material forming the first light-emitting layer and a material forming the second light-emitting layer are different from each other.

公开(公告)号：US20240061208A1

公开(公告)日：2024-02-22

申请号：US18451825

申请日：2023-08-17

Applicant: SEIKO EPSON CORPORATION

Inventor： Hitoshi OTA ,  Yuiga HAMADE ,  Mitsutaka IDE

IPC: G02B7/14

CPC classification number: G02B7/14

Abstract: An optical display device includes an image display element configured to emit image light, a deflection member configured to deflect the image light emitted from the image display element, an optical device including a lens barrel for accommodating a lens group including an objective lens and an eyepiece, and a moving mechanism provided at the lens barrel of the optical device and configured to hold a state in which at least the deflection member is moved in a direction intersecting an optical axis of the lens group.