Patent ID: 9429288
Filing Date: 2016-08-30
CPC Classification: E06B,F21S,F21V,G02B

Claim Text:
1. A lighting film comprising: a base member which has light-transmitting properties; a plurality of protrusion portions which have light-transmitting properties and are formed on one surface of the base member so as to be adjacent to each other; and a gap portion which is formed between the plurality of protrusion portions, wherein, in a protrusion portion of the plurality of protrusion portions, a first end surface on the base member side or a second end surface on an opposite side to the base member is configured as a light incidence end surface, and a side surface which comes into contact with the gap portion is configured as a reflective surface for totally reflecting light which is incident from the light incidence end surface, the base member or a member that is formed on one surface of the base member and has light-transmitting properties is exposed in the gap portion, and the plurality of protrusion portions are formed in each of a plurality of tiling areas, the plurality of tiling areas being adjacent to each other.