Patent ID: 11966054
Assignee: SONY GROUP CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G

Claim 7:
8. A display device, comprising:
a frame that includes:
a front portion in front of an observer,
temple portions extending from both ends of the front portion, and
a pad portion,
wherein the frame is mountable on a head of the observer; and

an image display device attached to the frame, wherein the image display device includes:
an image forming device,
an optical device on which light emitted from the image forming device is incident, wherein
the light is emitted toward the observer from the optical device,
a first end portion of the optical device is fixed to a temple portion side of the front portion,
a second end portion of the optical device is on a pad portion side of the front portion,
the second end portion is freely slidable on the front portion,
the optical device includes a dimmer configured to adjust an amount of external light incident from an outside of the display device, and
the dimmer includes:
a moisture holding member,
a moisture holding member extending portion that extends from the moisture holding member, and
a dimming layer,

the dimming layer includes:
a reduction coloring layer,
an electrolyte layer, and
an oxidation coloring layer.