Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
LIGHTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/235431
Kind Code:
A1
Abstract:
A lighting device (1) comprises: a light source (90) that emits light; a patterned cover (40) that is positioned facing the light source (90); and an exterior cover (30) that is translucent and covers the patterned cover (40). The patterned cover (40) has a translucent section (42) that transmits the light emitted from the light source (90), and a light blocking section (43) that blocks the light. The exterior cover (30) diffuses the light transmitted by the patterned cover (40).

Inventors:
HASUO MAKOTO
DETO KATSUYOSHI
HAYAMI TAKU
Application Number:
PCT/JP2019/022010
Publication Date:
December 12, 2019
Filing Date:
June 03, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
F21V3/02; F21V3/00; F21V17/00; F21Y103/00; F21Y115/10; F21Y115/30
Foreign References:
JPH11195304A1999-07-21
JP2012094264A2012-05-17
JPH0625034U1994-04-05
JP2002289037A2002-10-04
Attorney, Agent or Firm:
NII, Hiromori et al. (JP)
Download PDF:



 
Previous Patent: POWER CONVERSION DEVICE

Next Patent: BREAST PUMP