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Patent Searching and Data


Title:
LAMP
Document Type and Number:
Japanese Patent JP2011138785
Kind Code:
A
Abstract:

To provide a bulb-shaped lamp capable of reducing weight of a case and excellent in handleability.

The LED bulb 1 includes: an LED module 3 with LEDs mounted thereon; a cylindrical case 7 having openings on both ends thereof; a mounting member 5 mounted in one end of the case 7, closing the opening and moreover mounting the LED module 3 on its surface; and a base 91 installed on the other end side of the case 7. The case 7 has an outer and an inner diameters smaller at the one end than at the other end, and at least a part region from the one end through the other end is made thinner as it goes from the one end side to the other end side.


Inventors:
TAKAHASHI KENJI
TOMIYOSHI YASUNARI
SHIDA SATOSHI
SETOMOTO TATSUMI
YANAI AKIRA
UEMOTO TAKAARI
NAGAI HIDEO
Application Number:
JP2011022584A
Publication Date:
July 14, 2011
Filing Date:
February 04, 2011
Export Citation:
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Assignee:
PANASONIC CORP
International Classes:
F21S2/00; F21V23/00; H01L33/48; F21Y101/02
Domestic Patent References:
JP2001243809A2001-09-07
JP2007188832A2007-07-26
JPH065009U1994-01-21
JP2006313727A2006-11-16
Attorney, Agent or Firm:
Shiro Nakajima
Kobayashi Kunito
Koji Kawabata
Koichi Kimura