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.

Date of Patent:
Aug. 31, 2010

Filed:

Jul. 21, 2006
Applicants:

Tadahiro Ohmi, Miyagi, JP;

Yasuyuki Shirai, Miyagi, JP;

Kiwamu Takehisa, Miyagi, JP;

Inventors:

Tadahiro Ohmi, Miyagi, JP;

Yasuyuki Shirai, Miyagi, JP;

Kiwamu Takehisa, Miyagi, JP;

Assignee:

Tohoku University, Sendai-Shi, Miyagi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
Abstract

As a shape on a cross-section vertical to a longitudinal direction (L) of the hot cathode fluorescent lamp (()), a light source rear side reflecting plane () of a reflector () includes a mound portion (). The mound portion () is defined by two recessed inclining planes and protrudes toward a hot cathode fluorescent lamp (()).


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