Title:
LIGHT GUIDE BODY AND LIGHTING FIXTURE
Document Type and Number:
Japanese Patent JP2023145276
Kind Code:
A
Abstract:
To provide a light guide body securing design flexibility while securing desired light extraction efficiency.SOLUTION: A light guide body 10 is composed of one or more light guide members 5. Each of the one or more light guide members 5 is provided with a light guide body part 12 and a light guide connection part 11 connected to the light guide body part 12. A light incident end surface 21 into which light from outside is incident is formed on the light guide connection part 11. The light guide connection part 11 guides the light incident from the light incident end surface 21 to the light guide body part 12. A prism surface 23 where a prism group obtained by collecting a plurality of prisms 24 reflecting and/or inflecting the light incident from the incident end surface 21 is formed, and a light emission surface 22 emitting the light reflected and/or inflected on the prism surface 23, are formed on the light guide body part 12. The prism 24 is not formed on the light guide connection part 11 but is formed on each of the light guide body parts 12 in one or more light guide members 5.SELECTED DRAWING: Figure 1
Inventors:
ANAMI SHINICHI
MURAKAMI TADASHI
MURAKAMI TADASHI
Application Number:
JP2022052650A
Publication Date:
October 11, 2023
Filing Date:
March 28, 2022
Export Citation:
Assignee:
PANASONIC IP MAN CORP
International Classes:
F21S2/00; F21V13/04; F21V13/12; F21V14/04
Attorney, Agent or Firm:
Hiromori Arai
Eisaku Teratani
Shinichi Michisaka
Eisaku Teratani
Shinichi Michisaka