Patent · US Active

Virtual image display apparatus

US11099398B2 · kind B2 · utility

1Cited by

1References

13Claims

0Family size

Assignee

SEIKO EPSON CORPORATION · JP

Inventors

Masayuki Takagi · Adumino, JP
Takuya Ikeda · Tokyo, JP

Key dates

Filing date	Mar 24, 2020
Grant date	Aug 24, 2021
Priority date	—
Expiry date	Mar 24, 2040

Classification

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

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.

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