Patent ID: 8792172
Filing Date: 2014-07-29
Classification: G02B

Abstract:
1. A light guide member, comprising: a first light guide film comprising a plurality of first light guide dots laid out on a top side thereof; and a second light guide film superposed on the first light guide film adjacent to the first light guide dots, the second light guide film comprising a plurality of second light guide dots laid out on a top side thereof; wherein a light source located beside both a lateral side edge of the first light guide film and a corresponding lateral side edge of the second light guide film illuminates the first light guide dots and the second light guide dots, the first light guide dots and the second light guide dots reflect the light towards any direction, the light reflected by the first light guide dots transmits through the second light guide film and exits the top side of the second light guide film, and thereby the first light guide dots and the second light guide dots brighten a luminance of the light generated from the light source, the brightened light emitted from the light guide member at the top side of the second light guide film; and wherein the light illuminating the first light guide dots and the second light guide dots passes only through air from the light source to the first light guide dots and the second light guide dots.