Optical lens, light emitting device package using the...

Details Optical lens, light emitting device package using the... Optical lens, light emitting device package using the...

2006-04-26

2009-10-13

Collins, Darryl J (Department: 2873)

Optical: systems and elements

Lens

With reflecting element

C362S296050, C362S296010

Reexamination Certificate

active

07602559

ABSTRACT:
An optical lens, a light emitting device package using the optical lens and a backlight unit are disclosed, whereby light irradiated upward of a light emitting device is refracted from a bottom refraction surface to allow reaching a reflection surface, and an optical lens is mounted for reflecting the light sideways of the lens from the reflection surface to minimize an amount of light irradiated upward of the lens while increasing the amount of light irradiated toward the lateral surface of the lens, thereby limiting the generation of a hot spot to the maximum. The present invention dispenses with a hot spot baffle plate and a complicated assembly process to enable to reduce the number of parts and to decrease the thickness of a panel.

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