Prescolite, Inc.

Prescolite-moldcast Lighting Company

Precolite-moldcast Lighting Company

Wai-Lam Chu

Chris Latsis

A lighting fixture utilizing a housing surrounding a fluorescent light source. The housing has an aperture defining an edge portion for determining the cutoff angle of light emanating from the source. A first upper reflector is formed on the inner surface of the housing directing light from the source at angles ranging between the cutoff angle and angles less than the cutoff angle. The second reflector, located adjacent first reflector in the housing between the housing aperture and the first reflector, directs light from the source ranging between a selected angle, which is less than the cutoff angle, and at angles less than the selected angle. The result is a lighting fixture which possesses an optical delay in the activation in the second reflector as one approaches the optical axis from a peripheral position.

Lighting fixture having fluorescent source

A lighting device employing a source of light which emanates to a first reflector which is positioned outwardly from such source. A second reflector at least partially surrounds the light source and is formed in spaced relationship with the first reflector to create a first gap between the first and second reflectors. The second reflector includes an opening which permits light from the source to pass to the first reflector and outwardly from the lighting device through the first gap. A light interacting element is formed outwardly from the source and is spaced from the second reflector to form a second gap. The second reflector is, thus, positioned between the first reflector and the light interacting element. Light interacting element further receives light from the source and either reflects or diffuses light outwardly from the lighting device.

Outdoor lighting device

A lighting fixture utilizing a housing surrounding a fluorescent light source. The housing has an aperture defining an edge portion for determining the cutoff angle of light emanating from the source. A first upper reflector is formed on the inner surface of the housing, directing light from the source at angles ranging between the cutoff angle and angles less than the cutoff angle. The second reflector, located adjacent first reflector in the housing between the housing aperture and the first reflector, directs light from the source ranging between a selected angle, which is less than the cutoff angle, and at angles less than the selected angle. The result is a lighting fixture which possesses an optical delay in the activation in the second reflector as one approaches the optical axis from a peripheral position.

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San Leandro, CA, United States of America

Wai-Lam Chu