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:
Apr. 15, 2003
Filed:
Jul. 06, 2000
Horst Greiner, Aachen, DE;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
The invention describes a display screen ( ) with a backlight, comprising at least a light source ( ) and an optical guide plate ( ). The homogeneity of the light distribution is achieved by scattering the light rays on reflective indentations ( ) in the side faces ( ) of the optical guide plate ( ) and/or by recesses ( ) having vertical walls perpendicular to the front face ( ) and/or the back face ( ) of the optical guide plate ( ). The recesses ( ) with vertical walls also improve the coupling-out of the light to the backlight of the display screen ( ).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile