Title:
照明装置
Document Type and Number:
Japanese Patent JP7132503
Kind Code:
B2
Abstract:
To improve design of a lighting device. A lighting device includes optically transparent glass plates provided on side faces and placed on an optical path of light emitted from a light source, where some or all of the optically transparent glass plates contain an optically transparent battery adapted to drive the light source; and an optically transparent glass plate that contains a transparent conductive film by being provided on a bottom face, wherein the optically transparent battery is placed in contact with a pair of transparent conductive film layers, which are connected to the light source. The pair of transparent conductive film layers are formed in a pair of parallel linear grooves formed in a surface of the optically transparent glass plate on the bottom face, and a tabular positive tab and negative tab of the optically transparent battery fit in respective ones of the pair of grooves.
Inventors:
Yoko Ono
Hironobu Minowa
Shuhei Sakamoto
Takeshi Komatsu
Hironobu Minowa
Shuhei Sakamoto
Takeshi Komatsu
Application Number:
JP2018217279A
Publication Date:
September 07, 2022
Filing Date:
November 20, 2018
Export Citation:
Assignee:
Nippon Telegraph and Telephone Corporation
International Classes:
F21S9/03; F21S9/02; H01M10/04; H01M10/0585; H01M50/20; H01M50/209; H01M50/543
Domestic Patent References:
| JP2005322608A |
Foreign References:
| US20140003038 |
Attorney, Agent or Firm:
Hidekazu Miyoshi
Rie Kudo
Rie Kudo