Embodiments of this invention include composite articles having specific optical properties.
In one embodiment of this invention, a composite comprises high and low refractive index …

BACKGROUND Many lamps comprise a source of light Within a housing that is con? gured
to concentrate the light in a desired direc tion. For example, in the case of a searchlight or …

Embodiments of optical collimators are disclosed. For example, one disclosed embodiment
comprises an optical waveguide having a first end, a second end opposing the first end, a …

12, 1982 1, 1985 3, 1985 7, 1985 12, 1985 3, 1986 3, 1986 5, 1986 8, 1986 10, 1986 3,
1987 4, 1988 4, 1988 4, 1989 9, 1989 2, 1991 4, 1991 6, 1991 4, 1992 7, 1992 6, 1993 6 …

An optical waveguide includes a coupling optic and a waveguide body. According to one
embodiment, the body includes a first curved surface that extends between an input Surface …

Flexible hinge spine techniques are described. In one or more implementations, a flexible
hinge is configured to communi catively and physically couple an input device to a …

Int. C. 3,777,082 A 12/1973 Hatley 3,879,586 A 4, 1975 DuRocher et al. HIH I3/79(2006.01)
3,968,336 A 7/1976 Johnson HIH I3/78(2006.01) 4,046.975 A 9/1977 Seeger, Jr. HIH …

Related US Application Data 3: 63 application No. 61/606,333, filed on Mar. 2, 2012,
4,576.436 provisional application No. 61/613,745, filed on Mar. 4,577,822 21, 2012 …

A luminaire for use in lighting a large open space such as a parking lot or deck of a parking
garage includes a plurality of optical waveguides disposed in side-by-side relationship and …

Related US Application Data filed on Mar. 6, 2012, provisional application No. 61/606,321,
filed on Mar. 2, 2012, provisional appli cation No. 61/606,301, filed on Mar. 2, 2012, provi …