Patent ID: 6988813
Filing Date: 2006-01-24
Classification: G02B

Abstract:
1. A light panel ( 1 , 12 , 13 , 14 ), comprising: a light guide ( 2 ) having a front surface ( 7 ) defining a viewing window ( 11 ), a back surface and sides ( 3 , 4 , 5 , 6 ) between the front and back surfaces; and a patterned array of light sources ( 8 , 9 , 10 ) of at least two types, which types are distinguished by the color of light emitted by the light sources of said at least two types, said array being arranged along at least one of the sides, wherein each light source generates in use a divergent light beam of a color into the panel to, in combination, color the panel characterized in that the array comprises complementary sub-arrays ( 8 , 9 , 8 , 9 & 9 , 10 , 9 , 10 ; 8 , 10 , 8 , 10 & 8 , 10 , 8 , 10 & 9 , 9 , 9 , 9 ; 8 , 10 , 8 , 10 & 8 , 10 , 8 , 10 & 9 , 9 , 9 , 9 & 9 , 9 , 9 , 9 ) of light sources along at least two of the sides.