Title:
回折光学部材および虚像表示装置
Document Type and Number:
Japanese Patent JP7135337
Kind Code:
B2
Abstract:
A diffractive optical element according to the invention includes a holographic element configured to deflect incident light, a first substrate provided on one surface side of the holographic element, a first dielectric film provided between the first substrate and the holographic element, a second dielectric film provided on another surface side of the holographic element, and a third dielectric film provided on a side surface side of the holographic element.
Inventors:
Hiroyuki Tachiki
Toshiyuki Noguchi
Atsushi Saito
Toshiyuki Noguchi
Atsushi Saito
Application Number:
JP2018034415A
Publication Date:
September 13, 2022
Filing Date:
February 28, 2018
Export Citation:
Assignee:
Seiko Epson Corporation
International Classes:
G02B5/18; G02B5/32; G02B27/02; G03H1/22
Domestic Patent References:
| JP8036351A | ||||
| JP11184363A | ||||
| JP7104640A | ||||
| JP6258996A | ||||
| JP6110368A |
Foreign References:
| US4988152 | ||||
| CN103698976A |
Attorney, Agent or Firm:
Satoshi Nakai
Hiroki Matsuoka
Masayuki Imamura
Hiroki Matsuoka
Masayuki Imamura