Voltage-limiting and reverse polarity series type LED device
OwnerTai-Her Yanginventor
Life of this patent
Estimating the term…
Abstract
The present invention provides LEDs and zener diodes that are homo-polar and connected in parallel to constitute the first set of LED and zener diode and a second set of LED and zener diode; the first LED and zener diode set and the second LED and zener diode assume a reverse polarity series connection to constitute the voltage-limiting and reverse polarity series type LED device; through the selection of connecting pins, it is used on direct current power source or alternating current power source which is its characteristics.
Claims16
A voltage-limiting and reverse polarity series type LED device that parallel-connects one or more unipolar parallel-connected or series-connected or series and parallel-connected LEDs and zener diodes of the same working polarity to constitute the first LED and zener diode set, and parallel connects another set constituting by at least one or more unipolar parallel-connected or series-connected or parallel and series-connected LEDs and zener diodes of the same working polarity to constitute the second LED and zener diode set;
- wherein through the reverse-polarity series connection of the first LED and zener diode set and the second LED and zener diode set, a voltage-limiting and reverse polarity series type LED device is formed, said voltage-limiting and reverse polarity series type LED device comprising:
- LED (101):
- composed of one or more unipolar parallel-connected or series-connected or series and parallel-connected light-emitting diodes;
- LED (102):
- composed of one or more unipolar parallel-connected or series-connected or series and parallel-connected light-emitting diodes;
- zener diodes (501), (502):
- composed of one or more zener diodes or circuit devices of the same function that, during multiple installations, are connected in parallel or in series or in series and parallel, wherein:
- LED (101) and zener diode (501) of the same working polarity are connected in parallel to constitute the first LED and zener diode set;
- LED (102) and zener diode (502) of the same working polarity are connected in parallel to constitute the second LED and zener diode set;
- the voltage-limiting and reverse polarity series type LED device is constituted by the reverse polarity series connection of the first LED and zener diode set with the second LED and zener diode set;
- the voltage-limiting and reverse polarity series type LED device is an integrated package composed of the two aforementioned sets of LED and zener diodes, or composed by the two aforementioned sets of LED and zener diodes in individual structures with external conductors to make reverse polarity series connection;
- and
- the voltage-limiting and reverse polarity series type LED device further comprises:
- a first connection terminal (a) connected to a first side of said first LED and diode assembly,
- a second connection terminal (b) connected to a second side of said first LED and diode assembly and to a second side of said second LED and diode assembly whereby the second connection terminal (b) is connected in series to the first LED and diode assembly or the second LED and diode assembly via respective first (a) or third (c) connection terminals,
- the third connection terminal (c) connected to a first side of said second LED and diode assembly, and
- a first current-limiting impedance element (400) connected in series to the first (a) or third (c) connection terminals and/or a second current-limiting impedance element (401) connected in series to the first LED (101), and/or a third current-limiting impedance element (402) connected in series to the second LED (102),
- wherein the reverse polarity series type LED and drive circuit functions with alternating current power when a source of said alternating current power is connected between said first and third terminals (a, c), and with a source of said direct current power or direct current power of alternating polarity when said first and third terminals (a, c) are connected together, and wherein the connections of the first and third terminals (a, c) and said second terminal (b) serve to commonly allow the direct current power or direct current power of alternating polarity to pass through said first and second LEDs (101, 102), and
- wherein the reverse polarity series type LED device further comprises a first power storing and discharging device (301) connected in parallel to the first diode (201), and/or a second power storing and discharging device (302) connected in parallel to the second diode (202), wherein the power storing and discharging device includes a rechargeable battery, a unipolar or bipolar capacitance, or a super capacitance.
Dependencies are inferred from the claim text.