Multichip LED package with in-package quantitative and spectral sensing capability and digital signal output
AssigneeKoninklijke Philips Electronics N.V.
InventorGert W. Bruning
Life of this patent
Estimating the term…
Abstract
A multichip light-emitting-diode package having a support member, at least two light-emitting-diode chips disposed on the support member, at least one sensor disposed on the support member for reporting quantitative and spectral information to a controller, relating to the light output of the light-emitting-diodes, and a signal processing circuit, including an analog-to-digital converter logic circuit, disposed on the support member for converting the analog signal output produced by the sensors to a digital signal output.
Claims16
A multichip light-emitting-diode package comprising:
- a thermally-conductive support member;
- at least two light-emitting-diode chips disposed on the support member;
- at least one sensor thermally-coupled to the support member for sensing heat in the support member and, in response reporting information to a controller, the information pertaining to the light output of the light-emitting-diodes.
A multichip light-emitting-diode package comprising:
- a support member;
- at least two light-emitting-diode chips disposed on the support member;
- at least one sensor disposed on the support member for reporting information to a controller and including an optical feedback sensor, the information pertaining to the light output of the light-emitting-diodes;
- and
- a thermal feedback sensor.
A multichip light-emitting-diode package comprising:
- a support member;
- at least two light-emitting-diode chip disposed on the support member;
- at least one sensor which produces an analog signal output disposed on the support member for reporting information to a controller, the information pertaining to the light output of the light-emitting-diodes;
- and
- a signal processing circuit disposed on the support member for converting the analog signal output produced by the at least one sensor to a digital signal output.
The A multichip light-emitting-diode package comprising:
- a support member;
- at least two light-emitting-diode chips disposed on the support member;
- at least one sensor disposed on the support member for reporting information to a controller, the information pertaining to the light output of the light-emitting-diodes;
- and
- at least one digital signal port for electrically connecting the output of the at least one sensor to the controller.
A multichip light-emitting-diode package comprising:
- a support member;
- at least two light-emitting-diode chips disposed on the support member;
- at least one sensor disposed on the support member for reporting information to a controller, the information pertaining to the light output of the light-emitting-diodes;
- and
- optics for manipulating the light output of the light-emitting-diodes.
A light generator comprising:
- at least one multichip light-emitting-diode package including:
- a thermally-conductive support member;
- at least two light-emitting-diode chips disposed on the support member;
- and
- at least one sensor thermally-coupled to the support member for sensing heat in the support member and, in response, reporting information to a controller, the information pertaining to the light output of the light-emitting-diodes.
A light generator comprising:
- at least one multichip light-emitting-diode package including:
- a support member;
- at least two light-emitting-diode chips disposed on the support member;
- and
- at least one sensor disposed on the support member for report information to a controller the information pertaining to the light output of the light-emitting-diodes;
- and
- a thermal feedback sensor.
A light generator comprising:
- at least one multichip light-emitting-diode package including:
- a support member;
- at least two light-emitting-diode chips disposed on the support member;
- and
- at least one sensor which produces an analog signal output disposed on the support member for reporting information to a controller, the information pertaining to the light output of the light-emitting-diodes;
- and
- a signal processing circuit disposed on the support member for convening the analog signal output produced by the at least one sensor to a digital signal output.
A light generator comprising:
- at least one multichip light-emitting-diode package including:
- a support member;
- at least two light-emitting-diode chips disposed on the support member;
- and
- at least one sensor disposed on the support member for reporting information to a control, the information pertaining to the light output of the light-emitting-diodes;
- and
- optics For manipulating the light output of the light-emitting-diode.
A light generator comprising:
- at least one multichip light-emitting-diode package including:
- a support member:
- at least two light-emitting-diode chips disposed on the support member:
- and at least one sensor disposed on the support member for reporting information to a controller, the information pertaining to the halt output of the light-emitting-diodes;
- and
- at least one digital signal port for electrically connecting the output of the at least one sensor to the controller.
Dependencies are inferred from the claim text.