Title:
ＡＲ表示装置用光学素子及びその製造方法、並びに、ＡＲ表示装置
Document Type and Number:
Japanese Patent JP7466903
Kind Code:
B2
Abstract:
An AR optical element (1) having high image quality, high efficiency of light utilization, and small-size is provided. The AR optical element (1) has periodic structures of refractive index (10) multiplexed with a predetermined interval (V) and predetermined multiplicity, wherein each of the periodic structures of refractive index (10) has an optical normal (B) in a different direction from a physical normal (A) orthogonal to a plane (11) of a micro-region that reflects incident light.
Inventors:
Wakunami Mitsuyoshi
Yasuyuki Ichihashi
Shunsuke Yoshida
Yasuyuki Ichihashi
Shunsuke Yoshida
Application Number:
JP2020158276A
Publication Date:
April 15, 2024
Filing Date:
September 23, 2020
Export Citation:
Assignee:
National Institute of Information and Communications Technology
International Classes:
G03H1/08; G02B27/02
Domestic Patent References:
| JP2009300480A | ||||
| JP2003015041A |
Attorney, Agent or Firm:
Patent Attorney Corporation Isono International Patent and Trademark Office