Title:
OPTICAL APPARATUS AND HEAD-MOUNTED DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/197062
Kind Code:
A1
Abstract:
Disclosed are an optical apparatus (100) and a head-mounted device (300). The optical apparatus (100) may comprise an image assembly (102), a first optical assembly (104), a second optical assembly (106) and a third optical assembly (108), wherein the image assembly (102) is used for emitting image light; the image assembly (102), the first optical assembly (104), the second optical assembly (106) and the third optical assembly (108) are arranged such that the image light is transmitted to the second optical assembly (106) through the first optical assembly (104), is then reflected to the third optical assembly (108) by the second optical assembly (106), is then reflected to the second optical assembly (106) by the third optical assembly (108), and is transmitted through the second optical assembly (106) and enters eyes (110) of a user; the second optical assembly (106) is arranged to block interference light incident to the second optical assembly (106) from entering the eyes (110) of the user; and the third optical assembly (108) is arranged to block the image light from penetrating the third optical assembly (108) and entering the external environment.
Inventors:
XIAO BING (CN)
Application Number:
PCT/CN2021/081209
Publication Date:
October 07, 2021
Filing Date:
March 17, 2021
Export Citation:
Assignee:
BEIJING UNICORN TECH CO LTD (CN)
International Classes:
G02B27/01; G02B27/28
Domestic Patent References:
| WO2019154432A1 | 2019-08-15 | |||
| WO2012118573A1 | 2012-09-07 |
Foreign References:
| CN111290125A | 2020-06-16 | |||
| CN209542958U | 2019-10-25 | |||
| CN207946601U | 2018-10-09 | |||
| CN107589546A | 2018-01-16 |
Other References:
See also references of EP 4130851A4
Attorney, Agent or Firm:
NTD UNIVATION INTELLECTUAL PROPERTY AGENCY LTD. (CN)
Download PDF: