Title:
LIGHTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/063115
Kind Code:
A1
Abstract:
The purpose of the present embodiment is to provide a lighting device capable of irradiating a desired position with light. In the present embodiment, a second light guiding plate of this lighting device has a fourth protruding part provided in a first region of a fifth principal surface facing a prism sheet, a plurality of fifth protruding parts provided in a second region of the fifth principal surface, and a sixth protruding part provided in a sixth principal surface on the reverse side from the fifth principal surface. The cross-sectional shape of the fourth protruding part and the cross-sectional shape of the fifth protruding part are each a scalene triangle, and the fourth protruding part and the fifth protruding part are disposed at line-symmetric positions in plan view.
Inventors:
HASEGAWA MAKOTO (JP)
SUZUKI NOBUYUKI (JP)
OKADA MASAFUMI (JP)
SUZUKI NOBUYUKI (JP)
OKADA MASAFUMI (JP)
Application Number:
PCT/JP2022/036700
Publication Date:
April 20, 2023
Filing Date:
September 30, 2022
Export Citation:
Assignee:
JAPAN DISPLAY INC (JP)
International Classes:
F21S2/00
Foreign References:
| JP2012099291A | 2012-05-24 | |||
| JP2014075334A | 2014-04-24 | |||
| JP2013190779A | 2013-09-26 |
Attorney, Agent or Firm:
S & S INTERNATIONAL PPC (JP)
Download PDF:
Previous Patent: FENDER LINER AND MANUFACTURING METHOD THEREFOR
Next Patent: WATER-IN-OIL EMULSIFIED COSMETIC
Next Patent: WATER-IN-OIL EMULSIFIED COSMETIC