A direct troffer-style fixture for solid state light sources and pan structures for use in these fixtures. The fixture comprises a door frame assembly that is attached to the pan. The pan housing is defined by a base and two angled side walls. End caps are attached to the side walls. End reflectors
A direct troffer-style fixture for solid state light sources and pan structures for use in these fixtures. The fixture comprises a door frame assembly that is attached to the pan. The pan housing is defined by a base and two angled side walls. End caps are attached to the side walls. End reflectors extend at an angle away from the end caps and attach to the base. The end caps, the end reflectors, and the base define compartments at both ends of the housing in which components can be housed. A light board is attached to the base using alignment holes in the base and cutout portions of the end reflectors. The multifunctional end reflectors retain elements within the compartments, provide added structural stability to the pan, aid in aligning a light board, and they reflect light that impinges on them toward the open end of the fixture.
대표청구항▼
1. A direct emission light fixture, comprising: first and second end reflectors, wherein at least one of said end reflectors is configured to define an interior compartment, wherein said first and second end reflectors each comprise a central cutout portion;at least one back reflector comprising at
1. A direct emission light fixture, comprising: first and second end reflectors, wherein at least one of said end reflectors is configured to define an interior compartment, wherein said first and second end reflectors each comprise a central cutout portion;at least one back reflector comprising at least two side reflectors between said first and second end reflectors, wherein said first and second end reflectors and said at least two side reflectors are each distinct components, wherein said at least two side reflectors are removably attached to said fixture;a plurality of light sources on a light board, wherein at least a portion of said light board is between and aligned with said central cutout portion of said first and second end reflectors, wherein said light board extends to at least one of said central cutout portions; anda lens over said plurality of light sources. 2. The fixture of claim 1, wherein a first of said side reflectors is on a first side of said plurality of light sources and a second of said side reflectors is on a second opposite side of said plurality of light sources. 3. The fixture of claim 1, wherein said back reflector is faceted. 4. The fixture of claim 1, wherein said back reflector comprises a white reflective surface. 5. The fixture of claim 1, wherein said light board is removably attached to said fixture. 6. The fixture of claim 1, further comprising a driver circuit in said interior compartment. 7. The fixture of claim 1, further comprising a circuit isolation structure in said interior compartment. 8. The fixture of claim 1, further comprising a battery in said interior compartment. 9. The fixture of claim 1, wherein said plurality of light sources are distributed within a plurality of light emitter clusters, each cluster comprising discrete light emitters, such that each light emitter within a cluster is spaced a first distance from other light emitters within a cluster, and each cluster is spaced a second distance from other clusters. 10. The fixture of claim 1, wherein said plurality of light sources are evenly distributed. 11. A light fixture, comprising: first and second end reflectors, wherein at least one of said end reflectors is configured to define an interior compartment, wherein at least one of said end reflectors comprises a removable access panel, wherein said first and second end reflectors each comprise a central cutout portion;at least one back reflector comprising at least two side reflectors between said first and second end reflectors, wherein said first and second end reflectors and said at least two side reflectors are distinct from one another, wherein said at least two side reflectors are removably attached to said fixture;a plurality of light sources on a light board, wherein said light board is between and aligned with said first and second end reflectors, wherein said plurality of light sources are oriented to output light in the same direction as said fixture, wherein said light board extends to at least one of said central cutout portions; anda lens over said plurality of light sources. 12. The fixture of claim 11, wherein a first of said side reflectors is on a first side of said plurality of light sources and a second of said side reflectors is on a second opposite side of said plurality of light sources. 13. The fixture of claim 11, wherein said light board is removably attached to said fixture. 14. The fixture of claim 13, wherein said back reflector is angled such that it is not parallel to said light board. 15. The fixture of claim 11, wherein said plurality of light sources are distributed within a plurality of light emitter clusters, each cluster comprising discrete light emitters, such that each light emitter within a cluster is spaced a first distance from other light emitters within a cluster, and each cluster is spaced a second distance from other clusters. 16. The fixture of claim 11, wherein said plurality of light sources are evenly distributed. 17. The fixture of claim 11, wherein light emitted from said plurality of light sources must pass through said lens to exit said fixture. 18. The fixture of claim 11, wherein at least a portion of said lens is more diffuse than the remainder of said lens. 19. The fixture of claim 11, further comprising a driver circuit in said interior compartment. 20. The fixture of claim 11, wherein said back reflector is configured to comprise a shape which is not planar.
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