Light emitting diode package and light source comprising the same
View Patent ↗An LED package comprises a substrate, one or three terminals formed on a first side of the substrate, three terminals formed on a second side opposite to the first side, and two or three LEDs disposed on the substrate, one of the LEDS being electrically connected to one of the terminals formed on the first side while being electrically connected to one of the terminals formed on the second side, and other LEDS being electrically connected to two terminals formed on the first side or to two terminals formed on the second side. A light source comprises the LED packages having the structure as described above. Without being arranged in a line, the LEDs emitting the same color are differently arranged in every LED package, thereby solving the problem of non-uniform combination of the colors according to the positions of the LEDs on an LED package-mounting substrate.
1. A LED package comprising:
a substrate;
first, second and third terminals sequentially formed on a first side of the substrate;
fourth, fifth and sixth terminals sequentially formed on a second side of the substrate opposite to the first side;
a first LED electrically connected to the first and sixth terminals and disposed at the center of the substrate;
a second LED electrically connected to the second and third terminals and disposed between the first side and the first LED; and
a third LED electrically connected to the fourth and fifth terminals and disposed between the second side and the first LED.
2. The LED package as set forth in claim 1 , wherein the three LEDs comprise a red LED, a green LED, and a blue LED.
3. A LED package, comprising:
a substrate;
a first terminal formed on a first side of the substrate;
second, third and fourth terminals sequentially formed on a second side of the substrate opposite to the first side;
a first LED electrically connected to the first and fourth terminals; and
a second LED electrically connected to the second and third terminals and disposed between the second side and the first LED.
4. The LED package as set forth in claim 3 , wherein the two LEDs comprise LEDs generating complementary colors.
5. A light source, comprising:
a plurality of LED packages, each including:
a substrate;
first, second and third terminals sequentially formed on a first side of the substrate;
fourth, fifth and sixth terminals sequentially formed on a second side opposite to the first side;
a LED electrically connected to the first and sixth terminals;
another LED electrically connected to the second and third terminals; and
a third LED electrically connected to the fourth and fifth terminals, and
an LED package-mounting substrate, the LED package-mounting substrate mounting the plurality of LED packages in series thereon in a direction of the terminals and being formed with a plurality of terminal contact patterns contacting the terminals of the plurality of LEDs and with a plurality of connecting patterns to connect the terminal contact pattern contacting the first terminal and the fourth terminal of each LED package to the terminal contact pattern contacting the third terminal and the sixth terminal of adjacent LED package, and to connect the terminal contact pattern contacting the second terminal of the LED package to the terminal contact pattern contacting the fifth terminal of another adjacent LED package.
6. A light source as set forth in claim 5 , wherein the plurality of LED packages comprises:
a first LED package including a first LED electrically connected to the first and sixth terminals and disposed at the center of the first LED package, a second LED electrically connected to the second and third terminals and disposed between the first LED and the first side, and a third LED electrically connected to the fourth and fifth terminals and disposed between the first LED and the second side;
a second LED package mounted on the substrate adjacent to one side of the first LED package, and including a third LED electrically connected to the first and sixth terminals and disposed at the center of the second LED package, a first LED electrically connected to the second and third terminals and disposed between the third LED and the first side, and a second LED electrically connected to the fourth and fifth terminals and disposed between the third LED and the second side; and
a third LED package mounted on the substrate adjacent the other side of the first LED package, and including a second LED electrically connected to the first and sixth terminals and disposed at the center of the second LED package, a third LED electrically connected to the second and third terminals and disposed between the second LED and the first side, and a first LED electrically connected to the fourth and fifth terminals and disposed between the second LED and the second side,
the second LED package, the first LED package and the third package being repetitiously mounted on the LED package-mounting substrate in a predetermined order.
7. A light source as set forth in claim 6 , wherein the first LED is a red LED, the second LED is a green LED, and the third LED is a blue LED.
8. A light source as set forth in claim 5 , wherein the LED package-mounting substrate is an Al PCB.
9. A light source, comprising:
a plurality of LED packages, each package including:
a substrate
a first terminal formed on a first side of the substrate;
second, third and fourth terminals formed on a second side opposite to the first side;
a LED electrically connected to the first and fourth terminals; and
another LED electrically connected to the second and third terminals; and
an LED package-mounting substrate, the LED package-mounting substrate mounting the plurality of LED packages in series thereon in a direction of the terminals and being formed with a plurality of terminal contact patterns contacting the terminals of the plurality of LEDs and with a plurality of connecting patterns to connect the terminal contact pattern contacting the first terminal of each LED package to the terminal contact pattern contacting the third terminal of adjacent LED package, and to connect the terminal contact pattern contacting the second terminal of the LED package to the terminal contact pattern contacting the fourth terminal of another adjacent LED package.
10. The light source as set forth in claim 9 , wherein the plurality of LED packages comprise:
a first LED package including a first LED electrically connected to the first and fourth terminals and disposed adjacent to the first side of the first LED package, and a second LED electrically connected to the second and third terminals and disposed adjacent to the second side;
a second LED package mounted on the substrate adjacent to one side of the first LED package, and including a second LED electrically connected to the first and fourth terminals and disposed adjacent to the first side of the first LED package, and a first LED electrically connected to the second and third terminals and disposed adjacent to the second side,
the first LED package and the second LED package being repetitiously mounted on the LED package-mounting substrate in this order.
11. The light source as set forth in claim 10 , wherein the first LED and the second LED are LEDs generating complementary colors.
12. The tight source as set forth in claim 9 , wherein LED package-mounting substrate is an Al PCB.
13. The light source as set forth in claim 10 , wherein LED package-mounting substrate is an Al PCB.