Title:
ランプ及び照明装置
Document Type and Number:
Japanese Patent JP5658831
Kind Code:
B2
Abstract:
A straight-tube LED lamp (1) being a lamp that is equipped with an elongated housing (20) that has a light diffusion section and multiple LEDs that are arranged inside the housing (20) along the length direction of the housing (20), wherein when a half-value width of a luminance distribution obtained when light from each of the multiple LEDs has passed through the outermost shell of the straight-tube LED lamp (1) is denoted as y (mm) and an interval between the luminance centers of adjacent LEDs is denoted as x (mm), a relationship expressed as y >= 1.09x is satisfied.
Inventors:
木部 真樹
稲垣 文拓
八木 裕司
稲垣 文拓
八木 裕司
Application Number:
JP2013540153A
Publication Date:
January 28, 2015
Filing Date:
March 05, 2013
Export Citation:
Assignee:
パナソニックＩＰマネジメント株式会社
International Classes:
F21S2/00; F21V3/00; F21V3/02; F21V19/00; H01L33/00
Domestic Patent References:
| JP2011248052A | 2011-12-08 | |||
| JP2007073194A | 2007-03-22 | |||
| JP3174686U | 2012-03-29 | |||
| JP2012015527A | 2012-01-19 |
Attorney, Agent or Firm:
New house Extensive 守
Eisaku Teratani
道坂 Shin-ichi
Eisaku Teratani
道坂 Shin-ichi