US Patent 7752792 Billboard with light emitting diode light source

Patent 7752792 was granted and assigned to Foxsemicon Integrated Technology on July, 2010 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Current Assignee

Foxsemicon Integrated Technology

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7752792

Patent Inventor Names

Shu-Hui Hsieh0

Chih-Ming Lai0

Date of Patent

July 13, 2010

Patent Application Number

12135861

Date Filed

June 9, 2008

Patent Primary Examiner

‌

Lesley Morris

Patent abstract

A billboard (100) includes a light module (120) and a light-permeable panel (140). The light module comprises a plurality of elongated light conductors (122) and at least one LED (124). Each of the light conductors has two end surfaces (1222, 1224) and a circumferential lateral surface (1223) interconnected between the end surfaces, and one of the end surfaces of each of the light conductors is adjacent to and optically coupled to the at least one LED. The light-permeable panel has a light incident surface (142) and an opposite light emitting surface (144). One of the light incident surface and the light emitting surface has a pattern (143).