Title:
CIRCULAR DICHROIC FILTER, OPTICAL ELEMENT, DISPLAY, AND METHOD FOR PRODUCING CIRCULAR DICHROIC FILTER
Document Type and Number:
Japanese Patent JP2021189432
Kind Code:
A
Abstract:
To provide a high-performance circular dichroic filter that can be operated in a visible and a near infrared ranges, being suppressed in reflection, being excellent in selective absorption of circularly polarized light, can be made thin, and being easily manufactured.SOLUTION: A circular dichroic filter comprises a plurality of structures arranged side by side in a plane. The structure comprises two arms extending from two proximal ends that are arranged at different positions from each other in a direction intersecting the plane.SELECTED DRAWING: Figure 1
Inventors:
SUGA TETSURO
FURUSAWA GAKU
YANO TATSUYA
SEKIYA TAKASHI
NAKAMURA HIROAKI
FURUSAWA GAKU
YANO TATSUYA
SEKIYA TAKASHI
NAKAMURA HIROAKI
Application Number:
JP2021039476A
Publication Date:
December 13, 2021
Filing Date:
March 11, 2021
Export Citation:
Assignee:
UNIV ELECTRO COMMUNICATIONS
IDEMITSU KOSAN CO
IDEMITSU KOSAN CO
International Classes:
G09F9/00; G02B5/30
Attorney, Agent or Firm:
Heiwa International Patent Office