公开(公告)号：US20230140126A1

公开(公告)日：2023-05-04

申请号：US17975603

申请日：2022-10-28

Applicant: SEIKO EPSON CORPORATION

Inventor： Yuiga HAMADE ,  Jun IROBE

IPC: H01L27/32

Abstract: An electro-optical device includes, in plan view, a light-emitting region B that emits blue light, a coloring layer Cf_B that transmits the blue light, a light-emitting region G1 that is disposed adjacent to the light-emitting region B in a Y direction and emits green light, a coloring layer Cf_G that is provided overlapping the light-emitting region G1 and transmits the green light, a light-emitting region R that is disposed adjacent to the light-emitting region G1 in an X direction and emits red light, a coloring layer Cf_R that is provided overlapping the light-emitting region R and transmits the red light, a light-emitting region G2 that is disposed adjacent to the light-emitting region G1 in an E direction and emits green light, and a coloring layer Cf_G that is provided overlapping the light-emitting region G2 and transmits the green light, wherein the coloring layer Cf_B includes a region that overlaps the light-emitting region B in plan view, and a region located between the light-emitting regions G1 and G2 in plan view.

公开(公告)号：US20220352261A1

公开(公告)日：2022-11-03

申请号：US17732484

申请日：2022-04-28

Applicant: SEIKO EPSON CORPORATION

Inventor： Jun IROBE ,  Yuiga HAMADE

IPC: H01L27/32 ,  H01L51/52

Abstract: An electro-optical device includes: a first light-emitting region that emits light in a first wavelength range; a second light-emitting region disposed at a position adjacent to the first light-emitting region in a first direction and that emits light in a second wavelength range; a third light-emitting region disposed at a position adjacent to the first light-emitting region in a second direction and that emits light in a third wavelength range; a fourth light-emitting region disposed at a position adjacent to the second light-emitting region in the second direction and that emits light in a third wavelength range; a first coloring layer provided overlapping the first light-emitting region; a second coloring layer provided overlapping the second light-emitting region; a third coloring layer provided overlapping the third and fourth light-emitting regions; and a light-shielding portion including a first light-shielding portion provided in an island shape to overlap a region between the third and fourth light-emitting regions and that blocks at least the light in the third wavelength range.

公开(公告)号：US20220269097A1

公开(公告)日：2022-08-25

申请号：US17683685

申请日：2022-03-01

Applicant: SEIKO EPSON CORPORATION

Inventor： Hidetoshi YAMAMOTO ,  Yuiga HAMADE

IPC: G02B27/14 ,  G02B27/01 ,  H01L27/32 ,  G03B33/12

Abstract: An image display device according to the present disclosure includes a first self-luminous display element that self-emits an image of first color light, a second self-luminous display element that self-emits an image of second color light, a third self-luminous display element that self-emits an image of third color light, and a prism including a dichroic mirror that synthesizes images of three colors, the first, the second, and the third self-luminous display element are each configured to extract light from a side of a semireflective semitransmissive electrode included in the first, the second, and the third self-luminous display element, and at least one of sums of a thickness of a transparent electrode and a thickness of an optical adjustment layer differs from other in the first, the second, and the third self-luminous display element.

公开(公告)号：US20220244554A1

公开(公告)日：2022-08-04

申请号：US17586952

申请日：2022-01-28

Applicant: SEIKO EPSON CORPORATION

Inventor： Yuiga HAMADE ,  Takumi KODAMA

IPC: G02B27/12 ,  G09G3/34

Abstract: An optical module according to the present disclosure includes a first electro-optical device having a first light-emitting element emitting light including a first wavelength region, and a first light-emitting control transistor provided corresponding to the first light-emitting element, a second electro-optical device having a second light-emitting element emitting light including a second wavelength region shorter than the first wavelength region, and a second light-emitting control transistor provided corresponding to the second light-emitting element, and a prism configured to synthesize light emitted from the first electro-optical device, and light emitted from the second electro-optical device, wherein a first period in which the first light-emitting control transistor is in an ON-state in one frame is shorter than a second period in which the second light-emitting control transistor is in an ON-state in the one frame.

公开(公告)号：US20200278559A1

公开(公告)日：2020-09-03

申请号：US16802790

申请日：2020-02-27

Applicant: SEIKO EPSON CORPORATION

Inventor： Yuiga HAMADE ,  Hidetoshi YAMAMOTO

IPC: G02B27/14 ,  H01L27/32 ,  G02B27/01 ,  G03B33/12

Abstract: An image display device according to the present disclosure includes a first self-light-emitting display element that emits light for an image of red light, a second self-light-emitting display element that emits light for an image of blue light, a third self-light-emitting display element that emits light for an image of green light, and a prism having a dichroic mirror that synthesizes images of three colors, in which the first self-light-emitting display element, the second self-light-emitting display element, and the third self-light-emitting display element have a first cathode, a second cathode, and a third cathode, respectively, and when a film thickness of the first cathode is referred to as TR, a film thickness of the second cathode is referred to as TB, and a film thickness of the third cathode is referred to as TG, a relationship TR

公开(公告)号：US20190254597A1

公开(公告)日：2019-08-22

申请号：US16305552

申请日：2017-05-19

Applicant: SEIKO EPSON CORPORATION

Inventor： Yuiga HAMADE ,  Yasunori KOIDE ,  Takashi TOYA

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

Abstract: A technique for realizing energy saving. According to a biological information acquisition device, light emitting power per unit area of one light emitting element emitting light when first biological information is acquired is weaker than light emitting power per unit area of one light emitting element emitting light when second biological information is acquired.

公开(公告)号：US20170141337A1

公开(公告)日：2017-05-18

申请号：US15322999

申请日：2015-06-22

Applicant: SEIKO EPSON CORPORATION

Inventor： Yuiga HAMADE ,  Tetsuji FUJITA

IPC: H01L51/50 ,  H01L51/00 ,  C09K11/06 ,  C07D513/04

CPC classification number: H01L51/5004 ,  C07D513/04 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1014 ,  C09K2211/1051 ,  H01L51/0052 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/0061 ,  H01L51/0071 ,  H01L51/50 ,  H01L51/5012 ,  H01L51/508 ,  H01L51/5088 ,  H01L2251/552 ,  H01L2251/558

Abstract: To provide a light-emitting element which emits light in a near-infrared range and has high efficiency and long life, and a light-emitting device, an authentication device, and an electronic apparatus, each of which includes this light-emitting element.A light-emitting element 1 of the invention includes an anode 3, a cathode 8, a light-emitting layer 5 which is provided between the anode 3 and the cathode 8 and emits light in a wavelength range of 700 nm or more by applying a current between the anode 3 and the cathode 8, and an electron transport layer 6 which is provided between the light-emitting layer 5 and the cathode 8, and includes a first electron transport layer 6b located on the cathode 8 side and a second electron transport layer 6a located on the light-emitting layer 5 side, wherein the first electron transport layer 6b contains a first anthracene-based compound, which has an anthracene skeleton and a nitrogen-containing heterocyclic skeleton, and has an average thickness of less than 8 nm, and the second electron transport layer 6a contains a second anthracene-based compound, which has an anthracene skeleton but does not have a heterocyclic skeleton.

公开(公告)号：US20150295182A1

公开(公告)日：2015-10-15

申请号：US14681558

申请日：2015-04-08

Applicant: SEIKO EPSON CORPORATION

Inventor： Tetsuji FUJITA ,  Yuiga HAMADE

IPC: H01L51/00

CPC classification number: H01L51/0061 ,  H01L51/0054 ,  H01L51/0055 ,  H01L51/0058 ,  H01L51/0068 ,  H01L51/0071 ,  H01L51/5012 ,  H01L51/5072 ,  H01L2251/558

Abstract: A light-emitting element includes an anode, a cathode, and a light emission layer. The light emission layer is arranged between the anode and the cathode and configured to emit light by energization between the anode and the cathode. The light emission layer includes a compound represented by a general formula NIR-D as a light emission material and a compound represented by a formula IRH-1 as a host material of the light emission material. The general formula NIR-D is in which each R independently indicates group comprising a phenyl group, a thiophenyl group, a furyl group, or at least one species of derivatives thereof. The formula IRH-1 is in which n indicates a natural number 1 to 12, and each R independently indicates a hydrogen atom, an alkyl group, an optionally substituted aryl group, or an arylamino group.

Abstract translation: 发光元件包括阳极，阴极和发光层。 发光层设置在阳极和阴极之间，并且被配置为通过在阳极和阴极之间通电而发光。 发光层包括由作为发光材料的通式NIR-D表示的化合物和作为发光材料的主体材料的由式IRH-1表示的化合物。 通式为NIR-D，其中每个R独立地表示包含苯基，噻吩基，呋喃基或其至少一种衍生物的基团。 式IRH-1其中n表示自然数1至12，并且每个R独立地表示氢原子，烷基，任选取代的芳基或芳基氨基。