Hollow backlight with tilted light source

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United States of America Patent

PATENT NO 8757858
SERIAL NO

12995368

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Abstract

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In one embodiment, the invention provides backlight comprising a front reflector (102) and a back reflector (104) disposed to form a hollow light cavity (106) with a first light source (108) proximate one end of the front reflector (102) and having a tilt angle (110) of from 5° to 90°, and a first asymmetric light collimator (116) extending between at least the first light source (108) and the back reflector (104) for directing light from the first light source (108) into the hollow light cavity (106).

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Patent Owner(s)

  • 3M INNOVATIVE PROPERTIES COMPANY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aastuen, David J W Shoreview, US 29 1507
Epstein, Kenneth A St. Paul, US 110 3905
Ko, Byung-Soo Kyeonggi-do, KR 17 290
Wheatley, John A Lake Elmo, US 244 9417

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