FIELD: physics.
SUBSTANCE: light module assembly (1), having: a mounting substrate (10) for mounting and electrical contact of at least one light-emitting diode (20), a ceramic layer (40) lying on the path of light emitted by the light-emitting diode (20), where the ceramic layer (40) contains wavelength-converting material, the light-emitting diode (20) lies between the ceramic layer (40) and the mounting substrate (10), a light sensor (30) lying on the mounting substrate (10) and detecting luminous efficacy of the light-emitting diode (20) in order to control brightness and/or colour of light emitted by the light module (1), where the sensitive region of the light sensor (30) directly faces the ceramic layer (40), and where the ceramic layer (40) is only partially transparent in order to protect the light sensor (30) from ambient light.
EFFECT: improved light module assembly, providing a light module assembly with easy initial setup, in which stabilised flux can be used, which controls brightness or colour of the emitted light.
11 cl, 5 dwg
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Authors
Dates
2011-12-20—Published
2007-09-20—Filed