Patent ID: 7722239
Filing Date: 2010-05-25
Classification: G02B,G09F,Y10S

Abstract:
1. A logo display comprising: a light guide plate including a light emitting surface; a plurality of light emitting diodes (LEDs) optically coupled to the light guide plate; and a light-transmissive layer disposed on the light emitting surface of the light guide plate, a light-transmissive colored pattern formed on the light-transmissive layer; wherein the light-transmissive colored pattern is configured for filtering out a color component of the light incident on the light-transmissive layer which is the same as a color of the light-transmissive colored pattern; and wherein the light guide plate comprises a plurality of light guide units each comprising a first surface and an opposite second surface, the first surfaces of the light guide units are attached to the light-transmissive layer and together form the light emitting surface of the light guide plate, and each light guide unit is optically coupled to at least one of the LEDs.