SEMI-DIRECT SOLID STATE LIGHTING FIXTURE AND DISTRIBUTION
First Claim
1. An auxiliary solid state uplighting fixture for use with a downlighting fixture, said auxiliary solid state uplighting fixture comprising:
- a solid state uplighting device disposable above the downlighting fixture; and
wherein said solid state uplighting device is operable to emit light substantially in a 90-135 degree zone and operable to substantially not emit light in a 135-180 degree zone.
7 Assignments
0 Petitions
Accused Products
Abstract
In one embodiment of the present invention, a suspendable semi-direct lighting fixture is provided for illuminating a work surface. The suspendable semi-direct lighting fixture includes a downlighting fixture portion, and a solid state uplighting fixture portion disposable above the downlighting fixture portion. The downlighting fixture portion and the solid state uplighting fixture portion are suspendable below a ceiling, and the solid state uplighting fixture portion is operable to emit light substantially in a 90-135 degree zone and substantially not in a 135-180 degree zone. An auxiliary solid state uplighting fixture for use with a downlighting fixture is also disclosed. Methods employing such lighting fixtures are further disclosed.
96 Citations
41 Claims
-
1. An auxiliary solid state uplighting fixture for use with a downlighting fixture, said auxiliary solid state uplighting fixture comprising:
-
a solid state uplighting device disposable above the downlighting fixture; and wherein said solid state uplighting device is operable to emit light substantially in a 90-135 degree zone and operable to substantially not emit light in a 135-180 degree zone. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
-
9. A suspendable semi-direct lighting fixture for illuminating a work surface, said suspendable semi-direct lighting fixture comprising:
-
a downlighting fixture portion; a solid state uplighting fixture portion disposable above said downlighting fixture portion; and wherein said downlighting fixture portion and said solid state uplighting fixture portion being suspendable below a ceiling, and said solid state uplighting fixture portion is operable to emit light substantially in a 90-135 degree zone and substantially not in a 135-180 degree zone. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
-
-
22. A solid state lighting fixture for illuminating a work surface, said solid state lighting fixture comprising:
-
a lower solid state lighting fixture portion comprising; a solid state light source; a generally horizontally disposed, planar elongated light guide for receiving light from said solid state light source and emitting the light from a generally horizontally disposed lower surface of said lower solid state lighting fixture portion; a reflector disposed adjacent to a second horizontal surface of the light guide for redirecting some of light from the surface back into said light guide; and said lower solid state lighting fixture portion being configured to produce non-polarized light having a generally vertical and horizontal Lambertian spatial power distribution to generally accurately reproduce colors of objects on the work surface; and an upper solid state lighting fixture portion disposed above said lower solid state light source, said upper solid state lighting fixture comprising; a solid state light source operable to emit light substantially in a 90-135 degree zone and substantially not in a 135-180 degree zone. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
-
-
33. A solid state lighting fixture for illuminating a work surface, said solid state lighting fixture comprising:
-
a solid state light source; a generally horizontally disposed, planar elongated light guide for receiving light from said solid state light source and emitting some of the light downwardly from a generally horizontally disposed lower surface and emitting other of the light upwardly from a generally horizontally disposed upper surface; said solid state lighting fixture being configured to emit non-polarized light downwardly having a generally vertical and horizontal Lambertian spatial power distribution and emit light upwardly substantially in a 90-135 degree zone and substantially not in a 135-180 degree zone which upwardly and downwardly emitted light is operable to generally accurately reproduce colors of objects on the work surface. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41)
-
Specification