The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 26, 2009
Filed:
Jul. 14, 2006
Toshihiro Terada, Hyogo, JP;
Shigeru Ido, Osaka, JP;
Tomokazu Matsuura, Osaka, JP;
Hirofumi Yamashita, Osaka, JP;
Taizou Ono, Osaka, JP;
Masanobu Murakami, Osaka, JP;
Toshihiro Terada, Hyogo, JP;
Shigeru Ido, Osaka, JP;
Tomokazu Matsuura, Osaka, JP;
Hirofumi Yamashita, Osaka, JP;
Taizou Ono, Osaka, JP;
Masanobu Murakami, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A discharge lamp includes a glass bulb and a pair of electrodes provided at both ends of the glass bulb. At least one of the electrodes is an external electrode formed on an outer surface of the glass bulb as a thin layer whose maximum thickness is 70 μm or less, and an end portion of the external electrode becomes smaller in thickness towards an end of the external electrode.