DISCRETE LIGHT GUIDE-BASED PLANAR ILLUMINATION AREA
5 Assignments
0 Petitions
Accused Products
Abstract
In one aspect, a planar illumination area includes two light-guide elements, each with an out-coupling region. At least a portion of each out-coupling region overlaps with at least a portion of the other. The overlapping region emits a substantially uniform light output power.
131 Citations
39 Claims
-
1-19. -19. (canceled)
-
20. A planar illumination area comprising:
-
a first discrete light-guide element comprising (i) first and second adjoining non-parallel sidewalls spanning top and bottom surfaces, the first sidewall being reflective, and (ii) an out-coupling region partially bounded by the sidewalls; and a second discrete light-guide element comprising (i) first and second adjoining non-parallel sidewalls spanning top and bottom surfaces, the first sidewall being reflective, and (ii) an out-coupling region partially bounded by the sidewalls, the first sidewall of the second light-guide element being adjacent and opposed to the first sidewall of the first light-guide element, wherein (i) light in the first light-guide element striking its first sidewall substantially reflects therefrom rather than travelling into the second light-guide element, and (ii) light in the second light-guide element striking its first sidewall substantially reflects therefrom rather than travelling into the first light-guide element. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39)
-
Specification