Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
LAMP DEVICE AND LUMINAIRE
Document Type and Number:
Japanese Patent JP2010192338
Kind Code:
A
Abstract:

To provide a lamp device brightening the entire of a light-transmissive cover 35 regardless of disposition of a reflector 34 in the light-transmissive cover 35.

An LED and the reflector 34 housing the LED and having a reflection plane 61 which is opened toward a front surface irradiated with light from the LED are disposed in the light-transmissive cover 35. The light-transmissive cover 35 has a front surface part 63 covering the front surface of the reflector 34 via a gap 66 interposed between it and the front surface of the reflector 34 and a side surface part 64 covering a side surface of the reflector 34. The side surface part 64 has a light take-in part 67 facing the gap 66 between the front surface part 63 and the front surface of the reflector 34. The light from the LED is taken into the side surface part 64 through the light take-in part 67 to brighten the side surface part 64.


Inventors:
OGAWA KOZO
SHIMIZU KEIICHI
TANAKA TOSHIYA
SAKAI MAKOTO
SUWA TAKUMI
OSAWA SHIGERU
HISAYASU TAKESHI
KONO HITOSHI
Application Number:
JP2009037193A
Publication Date:
September 02, 2010
Filing Date:
February 19, 2009
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TOSHIBA LIGHTING & TECHNOLOGY
International Classes:
F21V3/02; F21S2/00; F21Y101/02
Attorney, Agent or Firm:
樺澤 襄
Satoshi Kabazawa
Tetsuya Yamada



 
Previous Patent: LAMP SYSTEM AND LIGHTING APPARATUS

Next Patent: SWITCH DEVICE