POWER SOURCE MODULE FOR LED LAMP
First Claim
1. A power source module for an LED lamp, comprising:
- a filament-simulating circuit electrically connected to a first bi-pin terminal and a second bi-pin terminal of the LED lamp, each of the first bi-pin terminal and the second bi-pin terminal configured to allow a current to flow from one pin to the other pin via the filament-simulating circuit during a pre-heat process executed by a ballast;
a current limiting circuit electrically connected to the filament-simulating circuit configured to limit a current from the filament-simulating circuit;
a first rectifier electrically connected to the current limiting circuit configured to rectify the current from the current limiting circuit; and
a filter electrically connected between the first rectifier and at least one LED of the LED lamp configured to smooth the current from the first rectifier.
1 Assignment
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Accused Products
Abstract
A power source module for an LED lamp includes a filament-simulating circuit electrically connected to a first bi-pin terminal and a second bi-pin terminal of the LED lamp, each of the first bi-pin terminal and the second bi-pin terminal configured to allow a current to flow from one pin to the other pin via the filament-simulating circuit during a pre-heat process executed by a ballast; a current limiting circuit electrically connected to the filament-simulating circuit configured to limit a current from the filament-simulating circuit; a first rectifier electrically connected to the current limiting circuit configured to rectify the current from the current limiting circuit; and a filter electrically connected between the first rectifier and at least one LED of the LED lamp configured to smooth the current from the first rectifier.
39 Citations
30 Claims
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1. A power source module for an LED lamp, comprising:
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a filament-simulating circuit electrically connected to a first bi-pin terminal and a second bi-pin terminal of the LED lamp, each of the first bi-pin terminal and the second bi-pin terminal configured to allow a current to flow from one pin to the other pin via the filament-simulating circuit during a pre-heat process executed by a ballast; a current limiting circuit electrically connected to the filament-simulating circuit configured to limit a current from the filament-simulating circuit; a first rectifier electrically connected to the current limiting circuit configured to rectify the current from the current limiting circuit; and a filter electrically connected between the first rectifier and at least one LED of the LED lamp configured to smooth the current from the first rectifier. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A power source module for an LED lamp, comprising:
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a rectifier electrically connected to terminals of the LED lamp configured to receive a current; a filter electrically connected between the rectifier and at least one LED of the LED lamp configured to store energy from the rectifier and to smooth the current from the rectifier; a discharging circuit electrically connected to the filter in parallel configured to discharge the energy stored in the filter; and a filament-simulating circuit electrically connected to a first bi-pin terminal and a second bi-pin terminal of the LED lamp, the filament-simulating circuit comprising at least one resistor connected in parallel to at least one capacitor and configured to simulate a filament of a fluorescent lamp during a pre-heat process executed by a ballast. - View Dependent Claims (18, 19, 20)
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21. A power source module for an LED lamp, comprising:
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a first circuit comprising a first capacitor element electrically connected between two pins of a first bi-pin terminal of the LED lamp, and a second circuit comprising a second capacitor element electrically connected between two pins of a second bi-pin terminal, wherein the first and second circuits are configured to simulate a filament of a fluorescent lamp during a pre-heat process executed by a ballast; a current limiting circuit electrically connected to the first bi-pin terminal configured to limit a current from the first bi-pin terminal; a rectifier electrically connected between the current limiting circuit and the second circuit configured to rectify the current from the current limiting circuit and a current from the second bi-pin terminal; and a filter electrically connected between the rectifier and at least one LED of the LED lamp to store energy from the rectifier configured to smooth the current from the rectifier. - View Dependent Claims (22)
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23. An LED lamp, comprising:
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a current limiting circuit electrically connected to a first terminal of the LED lamp for limiting a current from the terminal; a first rectifier electrically connected to the current limiting circuit for rectifying the current from the current limiting circuit; a filter electrically connected between the first rectifier and at least one LED of the LED lamp for smoothing the current from the first rectifier; and a filament-simulating circuit electrically connected to a first bi-pin terminal and a second bi-pin terminal of the LED lamp, each of the first and the second bi-pin terminals having a current flowing from one pin to the other pin of the respective bi-pin terminal via the filament-simulating circuit during a pre-heat process executed by a ballast. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30)
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Specification