| 摘要 |
Apparatus and methods are disclosed which enable the retrofitting of existing lighting fixtures so as to improve their efficiency, improve their light distribution and better control the heat emanating therefrom. Embodiments of the apparatus comprise different specific configurations of reflectors which may be utilized to replace one or more lamps in an existing fixture, with no more than minor modifications thereof. For example, a fixture (10) with four bulbs (12, 14, 16, 18) may be modified by replacing up to three of the bulbs (14, 16) thereof with one or more reflectors (20 min ). Reflectors may be installed in a fixture without removing lamps, to increase the lumen output thereof. Minor modifications to existing fixtures may be, for example, movement of the ballast, and movement of the lampholders. Preferably, the reflectors are made of a material having total and in most cases spectral reflectivity of greater than 90%. One suitable material comprises a thin silver film coated onto a thin plastic film. The reflectors of the present invention may also be used in newly designed fixtures. |
