Light emitting diode package
View Patent ↗A light emitting diode package which is superior in heat radiation and easily manufacturable. In the light emitting diode package, an Al substrate has a reflective cup formed thereon. At least one light emitting diode chip is disposed on a bottom surface of the reflective cup. An Al anodized film extends through the Al substrate to divide the bottom surface of the reflective cup into a plurality of substrate electrodes. Here, at least one of the substrate electrodes is surrounded by the Al anodized film. Also, the substrate electrodes are connected to a light emitting diode chip, respectively.
1. A light emitting diode package comprising:
an Al substrate having a reflective cup formed thereon;
at least one light emitting diode chip disposed on a bottom surface of the reflective cup;
an Al anodized film extending, through the Al substrate to divide the bottom surface of the reflective cup into a plurality of substrate electrodes, and
at least one zener diode disposed on the bottom surface of the reflective cup
wherein at least one of the substrate electrodes is surrounded by the Al anodized film, and
wherein the substrate electrodes are connected to a light emitting diode chip, respectively.
2. The light emitting diode package according to claim 1 , further comprising a plurality of rear electrodes formed underneath the Al substrate to be electrically connected to the substrate electrodes, respectively.
3. The light emitting diode package according to claim 1 , wherein the Al anodized film is extended to edges of the Al substrate.
4. The light emitting diode package according to claim 1 , further comprising a lens formed on the reflective cup.
5. The light emitting diode package according to claim 4 , further comprising a fixing part formed on a top portion of the reflective cup to fix the lens.
6. The light emitting diode package according to claim 1 , wherein the light emitting diode chip comprises one light emitting diode chip.
7. The light emitting diode package according to claim 6 , wherein, the plurality of substrate electrodes include first and second substrate electrodes which are formed by dividing the bottom surface of the reflective cup by the Al anodized film extending through the Al substrate, wherein at least one of the first and second substrate electrodes is surrounded by the Al anodized film, and wherein the first and second substrate electrodes are electrically connected to the light emitting diode chip, respectively.
8. The light emitting diode package according to claim 7 , wherein the first and second substrate electrodes are surrounded by the Al anodized film, respectively.
9. The light emitting diode package according to claim 7 , further comprising first and second rear electrodes formed underneath the Al substrate to be electrically connected to the first and second substrate electrodes, respectively.
10. The light emitting diode package according to claim 1 , wherein the light emitting diode chip comprises a. plurality of light emitting diode chips.
11. The light emitting diode package according to claim 10 , wherein the light emitting diode chips comprise three light emitting diode chips.
12. The light emitting diode package according to claim 11 , wherein the three light emitting diode chips comprise green, blue and red light emitting chips.
13. The light emitting diode package according to claim 11 , wherein the bottom surface of the reflective cup is divided into first to sixth substrate electrodes by the Al anodized film extending through the Al substrate,
wherein at least five of the first to sixth substrate electrodes are surrounded by the Al anodized film, and
wherein the first to sixth substrate electrodes are electrically connected to the light emitting diode chips, respectively.
14. The light emitting diode package according to claim 13 , further comprising first to sixth rear electrodes formed underneath the Al substrate to be electrically connected to the first to sixth substrate electrodes, respectively.
15. The light emitting diode package according to claim 13 , further comprising two zener diodes disposed on the bottom surface of the reflective cup,
wherein the three light emitting diode chips are disposed on the first, second and third substrate electrodes, respectively, and
wherein the two zener diodes are disposed on two of the fourth, fifth and sixth substrate electrodes, respectively.
16. The light emitting diode package according to claim 13 , further comprising three zener diodes disposed on the bottom surface of the reflective cup,
wherein the three light emitting diode chips are disposed on the first, second and third substrate electrodes, respectively, and
wherein the three zener diodes are disposed on the fourth, fifth and sixth substrate electrodes, respectively.
17. A light emitting diode package comprising:
an Al substrate having a reflective cup formed thereon;
at least one light emitting diode chip disposed on a bottom surface of the reflective cup;
an Al anodized film extending through the Al substrate to divide the bottom surface of the reflective cup into a plurality of substrate electrodes;
at least one zener diode disposed on the bottom surface of the reflective cup
wherein at least one of the substrate electrodes is surrounded by the Al anodized film,
wherein the substrate electrodes are connected to a light emitting diode chip, respectively
wherein the light emitting diode chip comprises one light emitting diode chip,
the plurality of substrate electrodes include first and second substrate electrodes which formed by the bottom surface of the reflective cup divided by Al anodized film extending through the Al substrate, wherein at least one of the first and second substrate electrodes is surrounded by the Al anodized film, and wherein the first and second substrate electrodes are electrically connected to the light emitting diode chip, respectively,
wherein the light emitting diode chip is disposed on the first substrate electrode, and wherein the zener diode is disposed on the second substrate electrode.