INCANDESCENT LAMP AND FILAMENT FOR INCANDESCENT LAMP

Title:

INCANDESCENT LAMP AND FILAMENT FOR INCANDESCENT LAMP

Document Type and Number:

WIPO Patent Application WO/2005/067004

Kind Code:

A1

Abstract:

A filament for an incandescent lamp, providing plane light emission and having excellent lamp efficiency, and a candescent lamp using the filament. A strip of band-shaped filament (11) provided on the same plane has side-by-side sections (17) arranged at intervals and has connection sections (18) for electrically connecting in series the side-by-side sections. The thickness of the side-by-side sections (17) is equal to or greater than 1/2 with the width of a side-by-side section (17) being 1, and an interval between at least any pair of side-by-side sections (17) is at least smaller than 5 with the width of a side-by-side section (17) being 1.

More Like This:

JP4325649	Heater lamp
WO/1999/027297	LIGHTING SYSTEM AND LAMP WITH OPTIMAL FILAMENT PLACEMENT
JP5352787	Two-dimensional photonic crystal thermal radiation source

Inventors:

OHKUBO KAZUAKI
KIMOTO MITSUHIKO
KANEKO YURIKO
SAKAUE MIKA
HORIUCHI MAKOTO

Application Number:

PCT/JP2004/019174

Publication Date:

July 21, 2005

Filing Date:

December 22, 2004

Export Citation:

Click for automatic bibliography generation Help

Assignee:

MATSUSHITA ELECTRIC IND CO LTD (JP)
OHKUBO KAZUAKI
KIMOTO MITSUHIKO
KANEKO YURIKO
SAKAUE MIKA
HORIUCHI MAKOTO

International Classes:

H01K1/14; (IPC1-7): H01K1/14

Foreign References:

JP2002015707A	2002-01-18
JPH04368769A	1992-12-21
JPS6095850A	1985-05-29
JPH05166496A	1993-07-02

Attorney, Agent or Firm:

Nii, Hiromori c/o Nii, Patent Firm (6F Tanaka Ito Pia Shin-Osaka Bldg., 3-10, Nishi Nakajima 5-chome, Yodogawa-k, Osaka-city Osaka 11, JP)

Download PDF:

View/Download PDF PDF Help

Previous Patent: SUFACE LIGHT SOURCE DEVICE

Next Patent: METHOD AND SYSTEM FOR COATING POLYMER SOLUTION ON A SUBSTRATE IN A SOLVENT SATURATED CHAMBER