Lamp module and lighting device comprising such a lamp module

Details Lamp module and lighting device comprising such a lamp module Lamp module and lighting device comprising such a lamp module

2007-01-10

2011-10-25

Lee, Diane (Department: 2875)

Illumination

Self powered lamp

Flashlight elements

C362S200000

Reexamination Certificate

active

08042967

ABSTRACT:
The present invention relates to a lamp module (10) comprising at least one light emitting diode (LED) chip (12) for emitting light, means (13, 15, 16, 17) for extracting and shaping the light emitted from the chip(s), and a base (21) for allowing the lamp module to be fitted and connected to a lighting device. The lamp module is characterized by at least one electrically switchable cell (22) adapted to receive light emitted from the LED chip(s), which cell in a first state transmits incoming light without substantially altering the direction of the light and in a second state alters the direction of the light when the light passes the cell(s). This allows for electrically controlled adjustable beam shaping. The present invention also relates to a lighting device (30) comprising such a lamp module.

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