Title:
LIGHT CONDENSING SHEET
Document Type and Number:
Japanese Patent JP2023169123
Kind Code:
A
Abstract:
To provide a light condensing sheet for efficiently condensing light such as natural light and electric light without requiring a power source of a dedicated light source.SOLUTION: A light condensing sheet includes: a sheet-like sheet body portion made of synthetic resin; and a plurality of lens portions arranged in the sheet body portion. The plurality of lens portions protrude in a direction perpendicular to the sheet body portion and have a cross-sectional shape of a parabola having a vertex.SELECTED DRAWING: Figure 2
Inventors:
KUMAGAI TAKESHI
Application Number:
JP2023079602A
Publication Date:
November 29, 2023
Filing Date:
May 12, 2023
Export Citation:
Assignee:
PLANET KK
International Classes:
G02B3/00; F21S11/00; F21V5/00; F21V5/04
Attorney, Agent or Firm:
Patent Attorney Corporation Izawa International Patent Office
Akira Izawa
Miki Izawa
Yasuhiko Mogi
Akira Izawa
Miki Izawa
Yasuhiko Mogi