Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hubertus Maschek0
Date of Patent
May 13, 2008
0Patent Application Number
105178240
Date Filed
June 13, 2003
0Patent Primary Examiner
Patent abstract
The invention relates to a method and a device for contrast enhancement for display devices. A high-contrast representation of optical signals and/or symbols is achieved by providing a light-absorbing and/or light-deflecting background which is dark in comparison to the symbol or signal to be displayed and thus highlights said symbol or signal. The following invention enables a high-contrast representation of optical signals and symbols by the provision of a dark, light-absorbing background.
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