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. 10, 2004
Filed:
Jan. 08, 2003
Hung-Chen Kao, Taoyuan Hsien, TW;
HannStar Display Corp., Tao-Yuan Hsien, TW;
Abstract
A positioning structure of a back light module has an optical film and a frame, wherein at least one flange is respectively disposed at two corresponding edges of the optical film and the flange has a neck portion. The frame is used to position the optical film and includes base, a constraining block and a bridge, wherein the base is used to contain the flange of the optical film, and the constraining block protrudes from the surface of the base and corresponds to the neck portion of the flange so as to restrict displacement of the flange parallel to the surface of the base, and the bridge is mounted on the top of the base to constrain the displacement of the flange perpendicular to the direction of the surface of the base. In addition, appropriate gaps are retained both between the constraining block and the neck portion of the flange, and between the bridge and the flange such that the optical film can freely extend when it is heated to deform.