Night light
First Claim
Patent Images
1. A night light for mains power sockets and wall sockets comprising:
- a mains plug (1), said mains plug (1) having a first contact pin (10′
) and a second contact pin (10), and the mains plug (1) with the contact pins (10, 10′
) being constructed in such a manner that it fits into a standard mains power socket and a wall socket;
a housing (2);
at least one lighting unit (3, 6) for emitting a visible light permanently, said lighting unit (3, 6) having a first terminal (3a) and a second terminal (3b);
a circuit (4), said circuit (4) being connected (9a) between the contact pins (10, 10′
) of the mains plug (1) and the terminals (3a, 3b) of the lighting unit (3, 6), and the circuit (4) including at least one high-voltage capacitor (5) with small dimensions, said capacitor (5) having a first end (5a) and a second end (5b);
wherein the circuit (4) is constructed in such a manner that the first contact pin (10′
) of the mains plug (1) is connected to the first end (5a) of the capacitor (5) and the second end (5b) of the capacitor (5) is connected to the first terminal (3a) of the lighting unit (3, 6), wherein the second end (5b) of the capacitor (5) and the first terminal (3a) of the lighting unit (3, 6) have no direct connection to the mains plug (1), wherein the first contact pin (10′
) of the mains plug (1) and the capacitor (5) and the lighting unit (3, 6) are connected in series, wherein a voltage at the lighting unit (3, 6) and a current through the lighting unit (3, 6) are reduced by the capacitor (5), so that extremely little electrical energy is burned off by the circuit (4), and wherein the lighting unit (3, 6) and/or the capacitor (5) are mounted on a board or printed circuit board (8).
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Abstract
A night light for mains power sockets, in particular wall sockets, includes a mains plug, a housing, a lighting element and a circuit connected between the mains plug and the lighting element. The circuit has a current limiting capacitor whereby a high-voltage capacitor with small dimensions is provided. The lighting element and/or the capacitor may be mounted on a board or printed circuit board.
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Citations
14 Claims
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1. A night light for mains power sockets and wall sockets comprising:
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a mains plug (1), said mains plug (1) having a first contact pin (10′
) and a second contact pin (10), and the mains plug (1) with the contact pins (10, 10′
) being constructed in such a manner that it fits into a standard mains power socket and a wall socket;
a housing (2);
at least one lighting unit (3, 6) for emitting a visible light permanently, said lighting unit (3, 6) having a first terminal (3a) and a second terminal (3b);
a circuit (4), said circuit (4) being connected (9a) between the contact pins (10, 10′
) of the mains plug (1) and the terminals (3a, 3b) of the lighting unit (3, 6),and the circuit (4) including at least one high-voltage capacitor (5) with small dimensions, said capacitor (5) having a first end (5a) and a second end (5b);
wherein the circuit (4) is constructed in such a manner that the first contact pin (10′
) of the mains plug (1) is connected to the first end (5a) of the capacitor (5) and the second end (5b) of the capacitor (5) is connected to the first terminal (3a) of the lighting unit (3, 6), wherein the second end (5b) of the capacitor (5) and the first terminal (3a) of the lighting unit (3, 6) have no direct connection to the mains plug (1), wherein the first contact pin (10′
) of the mains plug (1) and the capacitor (5) and the lighting unit (3, 6) are connected in series,wherein a voltage at the lighting unit (3, 6) and a current through the lighting unit (3, 6) are reduced by the capacitor (5), so that extremely little electrical energy is burned off by the circuit (4), and wherein the lighting unit (3, 6) and/or the capacitor (5) are mounted on a board or printed circuit board (8). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A night light for mains power sockets and wall sockets comprising:
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a mains plug (1), said mains plug (1) having a first contact pin (10′
) and a second contact pin (10),and the mains plug (1) with the contact pins (10, 10′
) being constructed in such a manner that it fits into a standard mains power socket and a wall socket;
a housing (2);
at least one lighting unit (3, 6) for emitting a visible light permanently, said lighting unit (3, 6) having a first terminal (3a) and a second terminal (3b);
a circuit (4), said circuit (4) being connected (9a) between the contact pins (10, 10′
) of the mains plug (1) and the terminals (3a, 3b) of the lighting unit (3, 6),and the circuit (4) including at least one high-voltage capacitor (5) with small dimensions, said capacitor (5) having a first end (5a) and a second end (5b);
wherein the circuit (4) is constructed in such a manner that the first contact pin (10′
) of the mains plug (1) is connected to the first end (5a) of the capacitor (5) and the second end (5b) of the capacitor (5) is connected to the first terminal (3a) of the lighting unit (3, 6), wherein the second end (5b) of the capacitor (5) and the first terminal (3a) of the lighting unit (3, 6) have no direct connection to the mains plug (1),wherein the first contact pin (10′
) of the mains plug (1) and the capacitor (5) and the lighting unit (3, 6) are connected in series,wherein a voltage at the lighting unit (3, 6) and a current through the lighting unit (3, 6) are reduced by the capacitor (5), so that extremely little electrical energy is burned off by the circuit (4), wherein the lighting unit (3, 6) is constructed in such a manner that it converts electrical energy into light energy very efficiently and generates no or extremely little heat, wherein the lighting unit (3, 6) comprises one or more lighting elements (7), and wherein said lighting element (7) is selected from the group consisting of a light emitting diode, a semi-conductor light emitting diode (7) or LED, an organic lighting element, an organic LED or OLED, a polymer lighting element, a polymer LED or PLED and a luminescent foil, and wherein at least two lighting elements (7) are connected in antiparallel (15).
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12. A night light for mains power sockets and wall sockets comprising:
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a mains plug (1), said mains plug (1) having a first contact pin (10′
) and a second contact pin (10),and the mains plug (1) with the contact pins (10, 10′
) being constructed in such a manner that it fits into a standard mains power socket and a wall socket;
a housing (2);
at least one lighting unit (3, 6) for emitting a visible light permanently, said lighting unit (3, 6) having a first terminal (3a) and a second terminal (3b);
a circuit (4), said circuit (4) being connected (9a) between the contact pins (10, 10′
) of the mains plug (1) and the terminals (3a, 3b) of the lighting unit (3, 6),and the circuit (4) including at least one high-voltage capacitor (5) with small dimensions, said capacitor (5) having a first end (5a) and a second end (5b);
wherein the circuit (4) is constructed in such a manner that the first contact pin (10′
) of the mains plug (1) is connected to the first end (5a) of the capacitor (5) and the second end (5b) of the capacitor (5) is connected to the first terminal (3a) of the lighting unit (3, 6),wherein the second end (5b) of the capacitor (5) and the first terminal (3a) of the lighting unit (3, 6) have no direct connection to the mains plug (1), wherein the first contact pin (10′
) of the mains plug (1) and the capacitor (5) and the lighting unit (3, 6) are connected in series,wherein a voltage at the lighting unit (3, 6) and a current through the lighting unit (3, 6) are reduced by the capacitor (5), so that extremely little electrical energy is burned off by the circuit (4), wherein the lighting unit (3, 6) is constructed in such a manner that it converts electrical energy into light energy very efficiently and generates no or extremely little heat, wherein the lighting unit (3, 6) comprises one or more lighting elements (7), and wherein said lighting element (7) is selected from the group consisting of a light emitting diode, a semi-conductor light emitting diode (7) or LED, an organic lighting element, an organic LED or OLED, a polymer lighting element, a polymer LED or PLED and a luminescent foil, and wherein at least two lighting elements (7) are connected in series (17).
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13. A night light for mains power sockets and wall sockets comprising:
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a mains plug (1), said mains plug (1) having a first contact pin (10′
) and a second contact pin (10),and the mains plug (1) with the contact pins (10, 10′
) being constructed in such a manner that it fits into a standard mains power socket and a wall socket;
a housing (2);
at least one lighting unit (3, 6) for emitting a visible light permanently, said lighting unit (3, 6) having a first terminal (3a) and a second terminal (3b);
a circuit (4), said circuit (4) being connected (9a) between the contact pins (10, 10′
) of the mains plug (1) and the terminals (3a, 3b) of the lighting unit (3, 6),and the circuit (4) including at least one high-voltage capacitor (5) with small dimensions, said capacitor (5) having a first end (5a) and a second end (5b);
wherein the circuit (4) is constructed in such a manner that the first contact pin (10′
) of the mains plug (1) is connected to the first end (5a) of the capacitor (5) and the second end (5b) of the capacitor (5) is connected to the first terminal (3a) of the lighting unit (3, 6),wherein the second end (5b) of the capacitor (5) and the first terminal (3a) of the lighting unit (3, 6) have no direct connection to the mains plug (1), wherein the first contact pin (10′
) of the mains plug (1) and the capacitor (5) and the lighting unit (3, 6) are connected in series, wherein a voltage at the lighting unit (3, 6) and a current through the lighting unit (3, 6) are reduced by the capacitor (5), so that extremely little electrical energy is burned off by the circuit (4),wherein the lighting unit (3, 6) is constructed in such a manner that it converts electrical energy into light energy very efficiently and generates no or extremely little heat, wherein the lighting unit (3, 6) comprises one or more lighting elements (7), and wherein said lighting element (7) is selected from the group consisting of a light emitting diode, a semi-conductor light emitting diode (7) or LED, an organic lighting element, an organic LED or OLED, a polymer lighting element, a polymer LED or PLED and a luminescent foil, and wherein the lighting element (7) and/or the capacitor (5) are designed as surface mount components or SMD components.
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14. A night light for mains power sockets and wall sockets comprising:
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a mains plug (1), said mains plug (1) having a first contact pin (10′
) and a second contact pin (10),and the mains plug (1) with the contact pins (10, 10′
) being constructed in such a manner that it fits into a standard mains power socket and a wall socket;
a housing (2);
at least one lighting unit (3, 6) for emitting a visible light permanently, said lighting unit (3, 6) having a first terminal (3a) and a second terminal (3b);
a circuit (4), said circuit (4) being connected (9a) between the contact pins (10, 10′
) of the mains plug (1) and the terminals (3a, 3b) of the lighting unit (3, 6),and the circuit (4) including at least one high-voltage capacitor (5) with small dimensions, said capacitor (5) having a first end (5a) and a second end (5b);
wherein the circuit (4) is constructed in such a manner that the first contact pin (10′
) of the mains plug (1) is connected to the first end (5a) of the capacitor (5) and the second end (5b) of the capacitor (5) is connected to the first terminal (3a) of the lighting unit (3, 6),wherein the second end (5b) of the capacitor (5) and the first terminal (3a) of the lighting unit (3, 6) have no direct connection to the mains plug (1), wherein the first contact pin (10′
) of the mains plug (1) and the capacitor (5) and the lighting unit (3, 6) are connected in series, wherein a voltage at the lighting unit (3, 6) and a current through the lighting unit (3, 6) are reduced by the capacitor (5), so that extremely little electrical energy is burned off by the circuit (4),wherein the circuit (4) includes a rectifier, and wherein said rectifier is selected from the group consisting of a bridge rectifier (16), which is made up of semi-conductor diodes, and an integrated circuit bridge rectifier.
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Specification