초록 ▼

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 connect

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.

대표청구항 ▼

1. 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 conne

1. 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; andthe 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, anda 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), andwherein 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. 2. The voltage-limiting and reverse polarity series type LED device as claimed in claim 1, wherein when the alternating current power or the direct current power of alternating polarity is delivered from the conducting interface device at the terminal (a) and the conducting interface device at the terminal (c), the voltage-limiting and reverse polarity series type LED device of the present invention is operated as an alternating current LED, and during various voltage polarities, the first zener diode (501) and the second zener diode (502) provide the voltage-limiting protection for the parallel-connected first LED (101) and second LED (102); and wherein when the alternating current power or the direct current power of alternating polarity is at a first polarity status that enables operation of the second LED (102), the voltage-limiting and reverse polarity series type LED device relies on the reverse polarity diode function of the zener diode (501) to pass the electrical current through the second LED (102); and when the alternating current power or the direct current power of alternating polarity changes to a second polarity opposite to the first polarity, the voltage-limiting and reverse polarity series type LED device relies on the reverse polarity diode function of the second zener diode (502) to pass the electrical current through the first LED (101). 3. The voltage-limiting and reverse polarity series type LED device as claimed in claim 1, wherein when the terminal (a) conducting interface device connects with the terminal (c) conducting interface device, their connection terminal and the terminal (b) commonly allow the direct current to pass through LED (101) and LED (102), and the zener diode (501) and zener diode (502) commonly provide voltage-limiting protection for LED (101) and LED (102) to enable the voltage-limiting and reverse polarity series type LED device of the present invention to operate as a direct current LED. 4. The voltage-limiting and reverse polarity series type LED device as claimed in claim 1, wherein when functioning with the alternating current power or the direct current power of alternating polarity, the voltage-limiting and reverse polarity series type LED device is series-connected with the first current-limiting impedance element (400) between a source of the alternating current power or the direct current power of alternating polarity and the conducting interface device at terminal (a) or the conducting interface device at terminal (c) of the voltage-limiting and reverse polarity series type LED device, and/or the second current-limiting impedance element (401) is connected in series with LED (101), and/or the third current-limiting impedance element (402) is connected in series with LED (102);wherein the impedance elements are constituted by one or more of the following impedance elements; 1) resistive impedance elements; 2) capacitive impedance elements; 3) inductive impedance elements; 4) linear transistor impedance elements; 5) chopped wave switch type elements composed of solid state switch type elements; and 6) chopped wave switch type elements composed of thyristors; andwherein the series connection positions of the impedance elements include 1) the impedance elements first connect with individual LEDs in series and then connect in parallel with the respective zener diode; and/or 2) the impedance element is series-connected between the power source and the voltage-limiting and reverse polarity series type LED device; and/or 3) the respective LED and zener diode are first connected in parallel in the same working polarity and then connected in series with the impedance element. 5. The voltage-limiting and reverse polarity series type LED device as claimed in claim 2 or 3, wherein when functioning with the direct current power, the voltage-limiting and reverse polarity series type LED device limits the electrical current passing through the voltage-limiting and reverse polarity series type LED device further being: 1) connected in series with the first current-limiting impedance element (400) between the direct current power source and the terminal (a) of the conducting interface device and the terminal (c) of the conducting interface device of the voltage-limiting and reverse polarity series type LED device; and/or 2) connected in series with the first current-limiting impedance element (400) between the direct current power source and the terminal (b) of the conducting interface device of the voltage-limiting and reverse polarity series type LED device; and/or 3) first connected in series with the second current-limiting impedance element (401) with the first LED (101) and then connected in parallel with the first zener diode (501); and/or 4) first connected in series with the current-limiting impedance element (402) with the second LED (102) and then connected in parallel with the second zener diode (502);wherein the impedance elements are constituted by one or more of the following impedance elements: 1) resistive impedance elements; 2) linear transistor impedance elements; 3) chopped wave switch type elements composed of solid state switch type elements; or 4) chopped wave switch type elements composed of thyristors; andwherein the series connection positions of the impedance elements include 1) the impedance elements first being connected with individual LEDs in series and then connected in parallel with the respective zener diode; and/or 2) the impedance element is series-connected between the power source and the reverse polarity series connection type LED; and/or 3) the LED and the zener diode are first connected in parallel in the same working polarity and then connected in series with the impedance element. 6. The voltage-limiting and reverse polarity series type LED device as claimed in claim 1, wherein when functioning with the alternating current power, the first zener diode (501) is connected in parallel between terminal (a) and terminal (b), the second zener diode (502) is connected in parallel between terminal (b) and terminal (c), and both terminals of the first zener diode (501) are connected in parallel with the electricity storing and discharging device (301) and/or both terminals of the second zener diode (502) are connected in parallel with the electricity storing and discharging device (302), and during delivery of the alternating current power, when the polarity of the supplied alternating current power source is such that power is supplied to the parallel-connected LED, and the power supply voltage is higher than the voltage of its parallel-connected electricity storing and discharging device, the power source simultaneously supplies power to the LED and charges the parallel-connected electricity storing and discharging device; while when the polarity of the alternating current power source is such that no power is supplied to the parallel-connected LED or when the power supply voltage is lower than the voltage of the electricity storing and discharging device, the electricity storing and discharging device supplies power to the parallel-connected LED; andwherein by means of the operation of the electricity storing and discharging device, the following partial or complete functions are attained: 1) two LEDs deliver power and emit light without being affected by the polarity changes of the alternating current power source; 2) when the alternating current power source drives the respective LED, optical pulsation of the LED is reduced; 3) delay electric energy is provided for the respective LED when power is cut off; 4) the electricity storing and discharging device serves as the power supply to allow continuous lighting of LEDs during an emergency power shutdown. 7. The voltage-limiting and reverse polarity series type LED device as claimed in claim 6, the second current-limiting impedance element (401) is connected in series with diode (203), and then through the current input terminal of diode (203) and the current output terminal of the first LED (101) such that it assumes the same working current flow and connects in parallel with zener diode (501) in order to protect the first LED (101), zener diode (501) being connected in parallel to terminal (a) and terminal (b); and/or a third current-limiting impedance element (402) is series-connected to the second LED (102), and according to the direction of light-emitting current of the second LED (102), the third current-limiting impedance element (402) is connected in series to the second diode (204), and then through the current input end of the second diode (204) and the current output end of the second LED (102), it assumes the same current flow and connects in parallel with zener diode (502) in order to protect the second LED (102) zener diode (502) being connected in parallel connection to terminal (b) and terminal (c); a power storing and discharging device (301) is connected in parallel between the jointly-connected first diode (203) and the second current-limiting impedance element (401) and the current output terminal of the first LED (101), and/or a power storing and discharging device (302) is connected in parallel between the jointly connected second diode (204) and the third current-limiting impedance element (402) and the current output terminal of the second LED (102); wherein when polarities of the respective diodes and impedance elements during the delivery of alternating current power are such that they assume a power supply status with respect to the LED with which they are connected in parallel; and the power supply voltage is higher than the voltage of its parallel-connected power storing and discharging device, the power source simultaneously supplies power to the respective LED and charges the power storing and discharging device with which it is connected in parallel; and wherein when the polarities of the alternating current power supply are such that no power is supplied to its parallel-connected LED; and the power supply voltage is lower than the voltage of the power storing and discharging device, the power storing and discharging device will supply power to the LED with which it is connected in parallel; and wherein by means of the operation of the electricity storing and discharging device, the following partial or complete functions are attained: 1) two LEDs deliver power and emit light without being affected by the polarity changes of the alternating current power source; 2) when the alternating current power source drives the respective LED, optical pulsation of the LED is reduced; 3) delay electric energy is provided for the respective LED when power is cut off; 4) the electricity storing and discharging device serves as the power supply to allow continuous lighting of LEDs during an emergency power shutdown. 8. The voltage-limiting and reverse polarity series type LED device as claimed in claim 6 or 7, wherein when the voltage-limiting and reverse polarity series type LED device functions with alternating current power and is connected in parallel with the electricity storing and discharging devices, the first current-limiting impedance element (400), the second current-limiting impedance element (401), and the third current-limiting impedance element (402) are not installed. 9. The voltage-limiting and reverse polarity series type LED device as claimed in claim 6 or claim 7, wherein the first zener diode (501) connected in parallel between terminal (a) and terminal (b) of the voltage-limiting and reverse polarity series type LED device, and/or the second zener diode (502) connected in parallel with terminal (b) and terminal (c) of the voltage-limiting and reverse polarity series type LED device, are installed in parallel with LED (101) and/or LED (102), or installed at both locations. 10. The voltage-limiting and reverse polarity series type LED device as claimed in claim 1, further comprising a third diode (601) and a fourth diode (602): composed of rectifying diodes, wherein the third diode (601) is parallel connected in reverse polarity to two ends of the plural series-connected or series-parallel connected first LED (101), the fourth diode (602) is served to be parallel connected in reverse polarity to two ends of the plural series-connected or series-parallel connected second LED (102). 11. The voltage-limiting and reverse polarity series type LED device as claimed in claim 1, wherein the zener diodes which provide the voltage-limiting protection for the LEDs of the voltage-limiting and reverse polarity series type LED device are replaceable with circuit devices that include semiconducting elements and devices and machine electronics with voltage-limiting effects and reverse polarity conduction. 12. The voltage-limiting and reverse polarity series type LED device as claimed in claim 1, wherein the specifications for power, voltages, currents and numbers as well as the series or parallel or series-parallel connections of LED (101) and LED (102) are the same, with or different from each other; the colors of lights emitted by the energized LED (101) and LED (102) are the same with or different from each other. 13. The voltage-limiting and reverse polarity series type LED device as claimed in claim 6 or claim 7, wherein types and specifications of the first current-limiting element (400) and/or the second current-limiting element (401) and/or the third current-limiting element (402) are the same as or different from each other; the first current-limiting impedance element (400) and/or the second current-limiting impedance element (401) and/or the third current-limiting impedance (402) are fixed impedances, adjustable impedances, chopper controlled, or linear controlled in order to simultaneously or separately control LED light adjustments to the first LED (101) and the second LED (102). 14. The voltage-limiting and reverse polarity series type LED device as claimed in claim 6 or claim 7, wherein the types and specifications of the electricity storing and discharging device (301) and/or the electricity storing and discharging device (302) are the same as or different from each other. 15. The voltage-limiting and reverse polarity series type LED device as claimed in claim 1, wherein the types and specifications of the zener diode (501) and zener diode (502) are the same as or different from each other. 16. The voltage-limiting and reverse polarity series type LED device as claimed in claim 3, 4, 6, or 7 whereof the structural modes include: a) the individual elements that constitute the voltage-limiting and reverse polarity series type LED device are independent structures; the external connections and individual elements rely on conducting interface devices such as conduction terminals, and/or conducting wire, and/or electrical conductors, and/or plugs, and/or sockets to connect or solder or lock for connections; and/orb) two or more individual elements form an integrated package and conducting interface devices are installed; the external connections and individual elements of other parts rely on conducting interface devices such as conduction terminals, and/or conducting wire, and/or electrical conductors, and/or plugs, and/or sockets to connect or solder or lock for connections; and/orc) the first LED and zener diode set is an integrated package and conducting interface devices are installed; the second LED and zener diode set is an integrated package and conducting interface devices are installed; between them, conducting interface devices such as conduction terminals, and/or conducting wire, and/or electrical conductors, and/or plugs, and/or sockets make connections or solder or lock for connections; and/ord) the whole voltage-limiting and reverse polarity series type LED device is integrated into a single package; conducting interface devices such as conduction terminals, and/or conducting wire, and/or electrical conductors, and/or plugs, and/or sockets are installed to make external connections or methods such as soldering or locking are used for external connections.