Patent ID: 7674005

Claim:
A recessed light fixture, comprising: a light fixture housing, the housing configured to be installed substantially flush with a mounting surface, the housing comprising a first optics area and a second optics area, the housing having a first curved reflector portion with an outer edge and a second curved reflector portion with an outer edge, wherein the first optics area includes three sides that form a channel along the longitudinal centerline of the light fixture and where the second optics area is separate from the first optics area; a first rail and a second rail mounted on the housing; a first light source type providing downlight and mounted on the housing between the first and second rails, the first light source type having a first illumination level; a second light source type providing downlight and mounted on the housing between the first and second rails, the second light source type having a second illumination level a first pair of lamp holders mounted approximate the first optics area, the first pair of lamp holders configured to accept the first light source type having the first level of illumination; a second pair of lamp holders mounted approximate the second optics area, the second pair of lamp holders configured to accept the second light source type having the second level of illumination lower than the first level of illumination; and a diffuser sealably mounted on the housing, the diffuser having a smooth exterior surface, the diffuser including a first lip and a second lip, wherein the diffuser is configured to allow the first lip to translate from a first position to a second flexed position during installation, the diffuser further configured to bias the first lip toward the first position, wherein, in operation, installation of the diffuser allows the first lip to engage the first rail and the second lip to engage the second rail, whereby the diffuser works in combination with the rails to substantially seal an internal portion of the light fixture from dust, and the light fixture can be switched between a first mode corresponding to a first level of light output and a second mode corresponding to a second level of light output.