Power source module for LED lamp
DC CAFCFirst 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 and configured to limit a current from the filament-simulating circuit;
a first rectifier electrically connected to the current limiting circuit and 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 and configured to smooth the current from the first rectifier.
1 Assignment
Litigations
2 Petitions
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.
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Citations
43 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 and configured to limit a current from the filament-simulating circuit; a first rectifier electrically connected to the current limiting circuit and 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 and 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, 31, 32, 33)
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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 and configured to receive a current; a filter electrically connected between the rectifier and at least one LED of the LED lamp and 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 and 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, 34, 35)
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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 and configured to limit a current from the first bi-pin terminal; a rectifier electrically connected between the current limiting circuit and the second circuit and 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 and configured to smooth the current from the rectifier. - View Dependent Claims (22, 36)
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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 first 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, 37, 38, 39, 40)
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41. 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 first 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 first filament-simulating circuit electrically connected to a first bi-pin terminal of the LED lamp and a second filament-simulating circuit electrically connected to a second bi-pin terminal of the LED lamp, each of the first and the second bi-pin terminals arranged to have a current flowing from one pin to the other pin of the respective bi-pin terminal via the respective first or second filament-simulating circuit during a pre-heat process executed by a ballast.
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42. 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 first 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 first filament-simulating circuit electrically connected to a first bi-pin terminal of the LED lamp, and a second filament-simulating circuit electrically connected to a second bi-pin terminal of the LED lamp, each of the first and the second bi-pin terminals arranged to have a current flowing from one pin to the other pin of the respective bi-pin terminal via the respective first or second filament-simulating circuit after the LED lamp is connected to a ballast and before a normal operation state of the LED lamp. - View Dependent Claims (43)
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Specification