公开(公告)号：US20240061260A1

公开(公告)日：2024-02-22

申请号：US18450400

申请日：2023-08-15

Applicant: SEIKO EPSON CORPORATION

Inventor： Toshiyuki NOGUCHI ,  Toshiaki MIYAO ,  Takuya IKEDA

IPC: G02B27/01

CPC classification number: G02B27/0176 ,  G02B2027/0178

Abstract: An HMD includes a first display element, a holder configured to hold the first display element, a first projection optical system configured to project an image formed on the first display element, a case including an insertion opening into which the first display element supported by the holder is inserted and configured to house the first projection optical system in a positioned state, and a first metallic frame configured to support the case, wherein the first metallic frame includes a receiving opening larger than an outline of the holder when viewed from an insertion direction of the first display element.

公开(公告)号：US20250044597A1

公开(公告)日：2025-02-06

申请号：US18788099

申请日：2024-07-29

Applicant: SEIKO EPSON CORPORATION

Inventor： Toshiaki MIYAO ,  Toshiyuki NOGUCHI ,  Takuya IKEDA

IPC: G02B27/01

Abstract: A virtual-image display device includes: a first display unit including a first image element, a first projection optical system, and a first mirror; a second display unit including a second image element, a second projection optical system, and a second mirror; a coupling member configured to couple the first display unit and the second display unit; a penetration-type fitting structure formed at an attaching section and at a support portion, the attaching section being formed at the first display unit, the support portion being provided at the coupling member; and a photocurable-type adhesive material held between the attaching section and the support portion, in which an additional light transmitting structure is formed at one of the attaching section and the support portion, and the light transmitting structure is configured to cause light to reach a boundary region between the attaching section and the support portion.

公开(公告)号：US20240061256A1

公开(公告)日：2024-02-22

申请号：US18450356

申请日：2023-08-15

Applicant: SEIKO EPSON CORPORATION

Inventor： Takuya IKEDA ,  Toshiaki Miyao ,  Toshiyuki Noguchi

IPC: G02B27/01 ,  G02B27/00 ,  G02B27/09 ,  G02B27/14

CPC classification number: G02B27/0176 ,  G02B27/0006 ,  G02B27/0983 ,  G02B27/144

Abstract: An HMD includes a first display element, a holder configured to hold the first display element, a first projection optical system configured to project an image formed on the first display element, a barrel which is a case configured to house the first projection optical system in a positioned state, and a dust-proof structure configured to achieve fixing of the holder and the barrel while ensuring dust-proofing of the holder and the barrel, wherein the holder includes a support frame inserted into the barrel through an insertion opening formed at the barrel while supporting the first display element, and a base plate coupled to a root of the support frame, the barrel includes a pedestal facing the base plate, and the dust-proof structure includes an adhesive material extending along a periphery of the base plate and protruding to the pedestal.

公开(公告)号：US20200310132A1

公开(公告)日：2020-10-01

申请号：US16828419

申请日：2020-03-24

Applicant: SEIKO EPSON CORPORATION

Inventor： Masayuki TAKAGI ,  Yoshitaka HAMA ,  Takuya IKEDA

IPC: G02B27/01

Abstract: There are provided an image element configured to emit imaging light, a case member configured to house the image element, and a light shielding plate that is attached to a positioning portion provided on the case member and that defines an emission region for imaging light from the image element, thereby attaching the light shielding plate to the case member with high accuracy.

公开(公告)号：US20180267322A1

公开(公告)日：2018-09-20

申请号：US15987230

申请日：2018-05-23

Applicant: SEIKO EPSON CORPORATION

Inventor： Masayuki TAKAGI ,  Toshiaki MIYAO ,  Takashi TAKEDA ,  Akira KOMATSU ,  Takuya IKEDA

IPC: G02B27/01 ,  F21V8/00

CPC classification number: G02B27/0176 ,  G02B6/0001 ,  G02B7/003 ,  G02B7/025 ,  G02B27/0081 ,  G02B2027/015 ,  G02B2027/0169 ,  G02B2027/0178

Abstract: A virtual image display apparatus includes a case member that stores a image element and is provided with a first end connected to other members, an optical component holding member with which an optical component guiding image light from the image element is assembled and that is provided with a second end connected to the first end, three or more protruding portions that are provided at one of the first end and the second end, have protrusion shapes, and extend toward the other end, three or more grooves that are provided at the other end, have depression shapes corresponding to the three or more protruding portions, and extend, and adhesive portions that fix the three or more protruding portions to the three or more grooves in a state in which the case member is aligned with the optical component holding member.

公开(公告)号：US20250035931A1

公开(公告)日：2025-01-30

申请号：US18784935

申请日：2024-07-26

Applicant: SEIKO EPSON CORPORATION

Inventor： Toshiaki MIYAO ,  Toshiyuki NOGUCHI ,  Takuya IKEDA

IPC: G02B27/01

Abstract: A virtual image display device includes an image element, a projection optical system configured to project an image formed on the image element, a case configured to house the image element and the projection optical system in a positioned state, and an optical appearance component on which image light emitted from the projection optical system is incident. The optical appearance component includes a first bonding surface and a second bonding surface which extend in mutually intersecting directions and are each bonded to the case, and the second bonding surface includes two portions provided at separated positions with the case interposed therebetween.

公开(公告)号：US20240061258A1

公开(公告)日：2024-02-22

申请号：US18450388

申请日：2023-08-15

Applicant: SEIKO EPSON CORPORATION

Inventor： Toshiaki MIYAO ,  Toshiyuki NOGUCHI ,  Takuya IKEDA ,  Kazuya KAMAKURA

IPC: G02B27/01

CPC classification number: G02B27/0176 ,  G02B27/0172 ,  G02B2027/0178 ,  G02B2027/0132

Abstract: An HMD includes a first display element, a holder configured to hold the first display element, a first projection optical system configured to project an image formed on the first display element, and a barrel which is a case configured to house the first projection optical system in a positioned state, the holder includes a support frame that supports the first display element and a base plate coupled to an upper portion of the support frame and extending in a direction intersecting the support frame, and an end portion of the support frame is inserted into the barrel through an insertion opening formed at the barrel, and the base plate is fixed to the barrel while covering the insertion opening.

公开(公告)号：US20200310139A1

公开(公告)日：2020-10-01

申请号：US16828023

申请日：2020-03-24

Applicant: SEIKO EPSON CORPORATION

Inventor： Masayuki TAKAGI ,  Takuya IKEDA

IPC: G02B27/01 ,  F21V8/00

Abstract: A virtual image display apparatus is provided, which includes a case member housing an image element, a lens barrel housing a projection lens serving as an optical system configured to receive imaging light emitted from the image element, and an elastic sealing member that covers a space between the case member and the lens barrel. With the elastic sealing member, position adjustment between the case member and the lens barrel is performed.

公开(公告)号：US20180024368A1

公开(公告)日：2018-01-25

申请号：US15428598

申请日：2017-02-09

Applicant: SEIKO EPSON CORPORATION

Inventor： Masayuki TAKAGI ,  Toshiaki MIYAO ,  Takashi TAKEDA ,  Akira KOMATSU ,  Takuya IKEDA

IPC: G02B27/01 ,  F21V8/00

CPC classification number: G02B27/0176 ,  G02B6/0001 ,  G02B7/003 ,  G02B7/025 ,  G02B27/0081 ,  G02B2027/015 ,  G02B2027/0169 ,  G02B2027/0178

Abstract: A virtual image display apparatus includes a case member that stores a image element and is provided with a first end connected to other members, an optical component holding member with which an optical component guiding image light from the image element is assembled and that is provided with a second end connected to the first end, three or more protruding portions that are provided at one of the first end and the second end, have protrusion shapes, and extend toward the other end, three or more grooves that are provided at the other end, have depression shapes corresponding to the three or more protruding portions, and extend, and adhesive portions that fix the three or more protruding portions to the three or more grooves in a state in which the case member is aligned with the optical component holding member.

公开(公告)号：US20240329412A1

公开(公告)日：2024-10-03

申请号：US18621034

申请日：2024-03-28

Applicant: SEIKO EPSON CORPORATION

Inventor： Takuya IKEDA ,  Toshiyuki NOGUCHI ,  Toshiaki MIYAO

IPC: G02B27/01 ,  G02B27/09 ,  G02B27/18

CPC classification number: G02B27/0176 ,  G02B27/0977 ,  G02B27/18 ,  G02B2027/0169 ,  G02B2027/0178

Abstract: A head-mounted display apparatus includes an image forming element, a holder including a supporting member supporting the image forming element and a fixing member coupled to the supporting member, an optical member on which image light from the image forming element is incident, and a case configured to house the optical member and hold the image forming element therein via the holder, wherein the holder includes a transparent portion, the fixing member is fixed to an outside of the case by an adhesive material, and the adhesive material is interposed between the transparent portion and the case.