Head-mounted display apparatus

Patent metadata

Field	Value
Publication number	US-12085725-B2
Application number	US-202318451130-A
Country	US
Kind code	B2
Filing date	Aug 17, 2023
Priority date	Aug 18, 2022
Publication date	Sep 10, 2024
Grant date	Sep 10, 2024

Abstract

A display device includes a frame supporting a first display unit and a second display unit. A substrate placement unit includes a first substrate placement unit located above the first display unit and a second substrate placement unit located above the second display unit. A video-image substrate at which a video-image processing circuit is mounted is disposed at one of the first substrate placement unit or the second substrate placement unit. The video-image processing circuit is configured to output a video image to the first display element and the second display element. A first drawing-out portion at which the first cable is drawn out is provided at one surface of the video-image substrate, and a second drawing-out portion at which the second cable is drawn out is provided at the other surface of the video-image substrate.

First claim

What is claimed is:

1. A head-mounted display apparatus comprising:
a first display unit including a first display element;
a second display unit including a second display element; and
a frame supporting the first display unit and the second display unit, wherein
the frame includes a substrate placement unit at which a printed wired board is disposable,
the substrate placement unit includes:
a first substrate placement unit located above the first display unit; and
a second substrate placement unit located above the second display unit,

a video-image substrate at which a video-image processing circuit is mounted is disposed at one of the first substrate placement unit or the second substrate placement unit, the video-image processing circuit being configured to output a video image to the first display element and the second display element,
a first cable coupled to the first display element and a second cable coupled to the second display element are coupled to the video-image substrate,
a first drawing-out portion at which the first cable is drawn out is provided at one surface of the video-image substrate, and
a second drawing-out portion at which the second cable is drawn out is provided at the other surface of the video-image substrate.

2. The head-mounted display apparatus according to claim 1 , wherein
one of the first drawing-out portion and the second drawing-out portion is disposed at a position at a front surface of the video-image substrate and the other of the first drawing-out portion and the second drawing-out portion is disposed at a position at a rear surface of the video-image substrate, the positions overlapping with each other in a plan view.

3. The head-mounted display apparatus according to claim 1 , wherein
the first display unit and the second display unit are disposed at the frame, and are configured to be arranged left and right in a state where the display device is in use and
the first drawing-out portion and the second drawing-out portion are disposed at one end portion, in a left-right direction, of the video-image substrate.

4. The head-mounted display apparatus according to claim 3 , wherein
a video-image cable through which the video-image processing circuit receives a video image is coupled at a position different, in a left-right direction of the video-image substrate, from that of the end portion at which the first drawing-out portion and the second drawing-out portion are provided.

5. The head-mounted display apparatus according to claim 1 , wherein
the first cable and the second cable are flat cables, and
the first drawing-out portion and the second drawing-out portion are conductive connectors to which the flat cables are coupled.

6. The head-mounted display apparatus according to claim 1 , wherein
the display device is a head-mounted display apparatus including an outer packaging, the outer packaging being configured to hold the display device at a head of a user,
the display device further includes:
a shield member covering the first substrate placement unit and the second substrate placement unit; and
a processing substrate at which a processing circuit coupled to the video-image processing circuit is mounted, and

the processing substrate is disposed at the substrate placement unit at which the video-image substrate is not disposed, of the first substrate placement unit and the second substrate placement unit.

7. The head-mounted display apparatus according to claim 6 , wherein
a detection substrate at which a detection circuit is mounted is disposed above the shield member.

8. The head-mounted display apparatus according to claim 1 , wherein
the first display unit includes a substrate holder constituting the substrate placement unit, and a display unit case hung from the substrate holder,
the first display element and an optical member configured to guide, in a vertical direction, image light emitted from the first display element are disposed at the display unit case, and
the first cable is coupled to the first display element from an upper portion of the display unit case.

9. The head-mounted display apparatus according to claim 8 , wherein
the first cable is installed from the video-image substrate to the first display element in a bent state.

10. The head-mounted display apparatus according to claim 8 , wherein
within the display unit case, a gap is formed at a back surface side of the first display element, and
the first cable is coupled to the first display element through the gap.

11. The head-mounted display apparatus according to claim 10 , wherein
a heat dissipation member is joined at a back surface of the first display element, and
the heat dissipation member extends through the gap, and is coupled to the substrate holder.

12. The head-mounted display apparatus according to claim 11 , wherein
the substrate holder is made of an alloy including one or more of magnesium, manganese, aluminum, or titanium.

Assignees

• Seiko Epson Corp

Inventors

• Ono Takehiro
• Sakuma Wataru
• Yokoo Nobuhiko
• Takano Masahide

Classifications

• G02B2027/0178

  Eyeglass type (eyeglass details G02C) · CPC title

• G02B2027/0169

  Supporting or connecting means other than the external walls · CPC title

• G02B27/02

  Viewing or reading apparatus (stereoscopic systems G02B30/00) · CPC title

• G02B27/01

  Head-up displays · CPC title

• G02B2027/0163

  Electric or electronic control thereof · CPC title