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:
Jun. 27, 1989
Filed:
Apr. 07, 1987
Richard A Flasck, San Ramon, CA (US);
Benny Irwin, San Jose, CA (US);
Scott H Holmberg, San Ramon, CA (US);
Alphasil, Inc., Fremont, CA (US);
Abstract
LCD screen illumination is provided by a neon tube formed to fit closely adjacent the screen. A tube formed to fit around the periphery of the screen shielded from the viewer's eyes can be utilized to front light the screen. A serpentine shaped tube can be placed adjacent the back of the screen to back light the screen. The tube can be formed to have a size coextensive with the screen configuration and can have a light diffuser between the tube and the screen to provide uniform illumination. The tube can provide any desired color, an adjustable high maximum surface brightness, high electrical efficiency and a narrow profile.