Patent · US Active

Optics of wearable display devices

US10539798B2 · kind B2 · utility

0Cited by

1References

13Claims

0Family size

Assignees

Fusao Ishii · US
DOCOMO Incorporated · JP

Inventors

Fusao Ishii · Menlo Park, US
Yuji Aburakawa · Yokohama, JP
Kazuhiko Takahashi · Yokohama, JP
Keiichi Murakami · Hachioji, JP
Mikiko Nakanishi · Tokyo, JP

Key dates

Filing date	Jul 15, 2017
Grant date	Jan 21, 2020
Priority date	—
Expiry date	Jan 10, 2038

Classification

Technology area (CPC G)Physics
CPC primaryG02B2027/0178
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A see-through image display system with high resolution up to 4K, wide field of view (FOV) beyond 60 degrees and small form factor is proposed. The optics for the display incorporates optical elements including hologram, DOE, lens and mirror with free form surfaces. This display system is suitable for a wearable display.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.