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:
Aug. 08, 2006
Filed:
May. 04, 2004
Applicants:
Chih-hsiung Lin, Changhua, TW;
Hsin-yi Lai, Taichung, TW;
John Chungteh Pan, Taichung, TW;
Inventors:
Assignee:
Forhouse Corporation, Taichung Hsien, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); F21V 1/00 (2006.01); F21S 4/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A direct-light illuminating unit has a frame on which a plurality of U-shaped lamps and a plurality of light shade devices are mounted. The frame has a window region and a margin region. The lamps each have two straight portions and a connection portion. The lamps have the straight portions and the connection portions arranged in the window region of the frame. The light shade device has a top mask extended over the connection portions of the lamps respectively. The top masks have a predetermined transparency to shade a part of the light provided from the connection portions of the lamps respectively.