Patent ID: 8506127

Claim:
A retrofit heat dissipating lens frame for attachment to a luminaire housing having a luminaire housing opening, the lens frame comprising: a continuous support surface ( 122 ) supporting an LED board ( 152 ) having a plurality of LEDs ( 154 ) coupled thereto, said continuous support surface generally facing an illumination direction; a lens attachment flange ( 127 ) integrally formed with a heat dissipating structure ( 130 ) and offset away from said support surface ( 122 ) generally in said illumination direction; a lens, attached to said lens attachment flange; wherein said lens ( 188 ), and said support surface ( 122 ) form a substantially sealed chamber for said plurality of LEDs ( 154 ); wherein said heat dissipating lens frame ( 120 ) is sized to completely cover said opening ( 112 ) of said luminaire housing ( 110 ) when attached to said luminaire housing ( 110 ); and wherein said support surface ( 122 ) having a partially exposed portion to the external environment when said lens frame ( 120 ) is attached to said luminaire housing ( 110 ) wherein said support surface ( 122 ) is of a sufficient mass to dissipate heat from an LED board ( 152 ).