Programmable LED driver

• US 8,344,639 B1
• Filed: 01/31/2010
• Issued: 01/01/2013
• Est. Priority Date: 11/26/2008
• Status: Active Grant

• Current Assignee: Farhad Bahrehmand
• Original Assignee: Farhad Bahrehmand
• Inventors: Bahrehmand, Farhad
• Primary Examiner(s): Le, Tung X
• Application Number:
  US12/697,280
• Time in Patent Office: 1,066 Days
• Field of Search: 315/185.R, 315/291, 315/294, 315/307, 315/312, 315/360, 315/362
• US Class Current: 315/247
• CPC Class Codes: H05B 45/10 Controlling the intensity of the light

Abstract

The present invention resides in an LED driver that comprises an LED driver circuit adapted to receive a 110V AC current and to rectify said current into a low voltage rectified DC output current. The driver comprises a programmable integrated circuit (PIC), means operatively connecting said programmable integrated circuit with said LED driver circuit, a capacitive touch pad sensor comprising a plurality of touch pads, a capacitive touch pad sensor IC circuit (SIC) that scans one or more of the touch pads and provides corresponding data to said programmable integrated circuit, said programmable integrated circuit being programmable to accept said data as input and generate an output signal to said LED driver circuit corresponding to said data, one or more of said touch pads functioning for dimming such that said programmable integrated circuit generates a fixed frequency PWM signals having an adjustable duty cycle for dimming said LEDs. Preferably the touch pad for dimming is a touch slider. Preferably the LED driver is adapted to fit within a standard 110 volt AC outlet box, said touch pad sensor being the faceplate of said outlet box.

Claims

1. A programmable LED driver comprising;

a. an LED driver circuit adapted to receive a 110VAC current and to rectify said AC current into a low voltage rectified DC output current;

b. a programmable integrated circuit (PIC);

c. means operatively connecting said programmable integrated circuit with said LED driver circuit;

d. a capacitive touch pad sensor comprising a plurality of touch pads;

e. a capacitive touch pad sensor IC circuit that scans one or more of the touch pads to provide corresponding data to said programmable integrated circuit;

f. said programmable integrated circuit being programmable to accept said data as input and generate an output signal to said LED driver circuit corresponding to said data; and

g. one or more of said touch pads functioning for dimming such that said programmable integrated circuit r generates a fixed frequency PWM signal having an adjustable duty cycle for dimming said LED'"'"'s

h. said means of paragraph c. providing a low voltage DC current to said programmable integrated circuit and to said capacitive touch pad sensor, said LED driver being adapted to fit within a standard 110 volt AC outlet box.

2. The LED driver of claim 1 wherein the touch pad for dimming is a touch slider.

3. The LED driver of claim 2 wherein said programmable integrated circuit is a microcontroller.

4. A programmable LED driver comprising;

a. an LED driver circuit adapted to receive a 110VAC current and to rectify said AC current into a low voltage rectified DC output current;

b. a programmable integrated circuit (PIC);

c. means operatively connecting said programmable integrated circuit with said LED driver circuit;

d. a capacitive touch pad sensor comprising a plurality of touch pads;

e. a capacitive touch pad sensor IC circuit that scans one or more of the touch pads to and provides corresponding data to said programmable integrated circuit;

f. said programmable integrated circuit being programmable to accept said data as input and generate an output signal to said LED driver circuit corresponding to said data; and

g. said means of paragraph c. providing a low voltage DC current to said programmable integrated circuit and to said capacitive touch pad sensor, said driver being adapted to fit within a 110 volt AC outlet box, said touch pad sensor being the faceplate of the outlet box.

5. The driver of claim 4 adapted to control an array of LED'"'"'s.

6. A programmable LED driver comprising;

a. an LED driver circuit adapted to receive a 110VAC current and to rectify said AC current into a low voltage rectified DC output current;

b. a programmable integrated circuit (PIC);

c. means operatively connecting said programmable integrated circuit with said LED driver circuit;

d. a capacitive touch pad sensor comprising a plurality of touch pads;

e. a capacitive touch pad sensor IC circuit that scans one or more of the touch pads and provides corresponding data to said programmable integrated circuit;

f. said programmable integrated circuit being programmable to accept said data as input and generate an output signal to said LED driver circuit corresponding to said data;

g. one or more of said touch pads functioning for dimming such that said programmable integrated circuit generates a fixed frequency PWM signal having an adjustable duty cycle for dimming said LED'"'"'s;

h. one or more of said touch pads functioning for timed on/off function such that said programmable integrated circuit enables/disables said PWM signal to automatically turn on/off said LED'"'"'s; and

i. one or more touch pads functioning for random on/off function such that said programmable integrated circuit randomly enables/disables said PWM signal to randomly turn on/off said LED'"'"'s.

7. The LED driver of claim 6 wherein said programmable integrated circuit is a field programmable integrated circuit.

8. The LED driver of claim 6 wherein said programmable integrated circuit is a microcontroller.

9. The LED driver of claim 6 wherein said programmable integrated circuit is an application specific integrated circuit and said application specific integrated circuit is factory programmed.

10. The LED driver of claim 6 adapted to fit within a 110 V AC outlet.