Light emitting device package and lighting apparatus including the same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01L-033/62
H01L-025/065
H01L-033/08
H01L-033/20
H01L-033/54
H01L-033/32
H01L-033/06
H01L-027/15
출원번호
US-0201507
(2016-07-04)
등록번호
US-9666561
(2017-05-30)
우선권정보
KR-10-2015-0142005 (2015-10-12)
발명자
/ 주소
Choi, Seol Young
Park, Sung Soo
Ishizaki, Shinya
출원인 / 주소
SAMSUNG ELECTRONICS CO., LTD.
대리인 / 주소
Muir Patent Law PLLC
인용정보
피인용 횟수 :
0인용 특허 :
43
초록▼
Alight emitting device package may include a printed circuit board and a plurality of light emitting devices mounted on the printed circuit board, wherein a first light emitting device of the plurality of light emitting devices may comprise first to fourth conductor pads formed discretely on the bot
Alight emitting device package may include a printed circuit board and a plurality of light emitting devices mounted on the printed circuit board, wherein a first light emitting device of the plurality of light emitting devices may comprise first to fourth conductor pads formed discretely on the bottom surface of the light emitting device, the printed circuit board comprises first to fourth conductor patterns formed discretely on the top surface of the printed circuit board, and the first to fourth conductor patterns are connected to respective first to fourth conductor pads by respective first to fourth solders.
대표청구항▼
1. A light emitting device package comprising: a printed circuit board; anda plurality of light emitting devices mounted on the printed circuit board,wherein a first light emitting device of the plurality of light emitting devices comprises first to fourth conductor pads formed discretely on the bot
1. A light emitting device package comprising: a printed circuit board; anda plurality of light emitting devices mounted on the printed circuit board,wherein a first light emitting device of the plurality of light emitting devices comprises first to fourth conductor pads formed discretely on the bottom surface of the light emitting device,the printed circuit board comprises first to fourth conductor patterns formed discretely on the top surface of the printed circuit board, andthe first to fourth conductor patterns are connected to respective first to fourth conductor pads by respective first to fourth solders,wherein all of the first to fourth conductor patterns are not electrically connected to each other with respect to electrical connections of the printed circuit board,wherein at least two of the first to fourth conductor patterns are electrically connected by an electrical connection of the first light emitting device between at least two of the first to fourth conductor pads. 2. The package of claim 1, wherein the first light emitting device is a semiconductor chip comprising first light emitting diode. 3. The package of claim 2, wherein the first conductor pattern is electrically connected to second light emitting device of the plurality of light emitting devices, and the second conductor pattern is electrically connected to third light emitting device of the plurality of light emitting devices. 4. The package of claim 3, wherein the first, second, and third light emitting devices are serially connected to each other through the first and second conductor patterns. 5. The package of claim 4, wherein the third and fourth conductor patterns are connected to each other by a conductor layer formed under the top surface of the printed circuit board. 6. The package of claim 2, wherein the semiconductor chip further comprises second light emitting diode. 7. The package of claim 6, wherein electrical connections of the first and second light emitting diodes are separately operable. 8. The package of claim 6, wherein the first and second light emitting diodes are electrically connected in parallel. 9. A light emitting device package comprising: a printed circuit board including first to fourth conductor patterns; anda semiconductor chip mounted on the printed circuit board,wherein the semiconductor chip comprises first to fourth conductor pads formed on the bottom of the semiconductor chip,wherein the first to fourth conductor patterns are connected to respective first to fourth conductor pads by respective first to fourth solders,wherein the semiconductor chip includes at least a first light emitting diode that is configured to emit light upon receiving at least two voltages input respectively through the first and fourth conductor patterns via the first and fourth conductor pads, andwherein the first conductor pad is configured to output one of the at least two voltages when the at least one light emitting diode is emitting light. 10. The package of claim 9, wherein the first and second conductor patterns are electrically connected to adjacent semiconductor chips respectively, and the third and fourth conductor patterns are substantially the same size and have the same shape as the respective third and fourth conductor pads. 11. The package of claim 10, wherein the first light emitting diode comprises: first conductivity type semiconductor layer electrically connected to the first conductor pad;second conductivity type semiconductor layer electrically connected to the second conductor pad; andan active layer interposed between the first and second conductivity type semiconductor layers,wherein the second conductivity type semiconductor layer is separated, with respect to a cross sectional view along a line crossing the first conductor pad and the fourth conductor pad. 12. The package of claim 9, wherein the semiconductor chip further comprises second, third and fourth light emitting diodes. 13. The package of claim 12, wherein the first to fourth light emitting diodes are connected in series. 14. The package of claim 9, wherein the second and third conductor patterns are connected to a first conductive wiring of the printed circuit board formed below a top surface of the printed circuit board. 15. A lighting apparatus comprising: a light emitting device package;a base on which the light emitting device package is mounted; anda cover covering the light emitting device package, wherein the light emitting device package comprises: a printed circuit board including first to fourth discrete conductor patterns;first light emitting device mounted on the printed circuit board, the first light emitting device comprising first to fourth discrete conductor pads formed on the bottom of the first light emitting device; andfirst to fourth solders connecting the first to fourth discrete conductor patterns to respective first to fourth discrete conductor pads,wherein all of the first to fourth conductor discrete patterns are not electrically connected to each other with respect to electrical connections of the printed circuit board,wherein at least two of the first to fourth discrete conductor patterns are electrically connected by an electrical connection of the first light emitting device between at least two of the discrete first to fourth conductor pads. 16. The apparatus of claim 15, wherein the first and second discrete conductor patterns are at least partially located under the first light emitting device with respect to a top view. 17. The apparatus of claim 15, wherein all of the third and fourth conductor patterns are located under the first light emitting device with respect to a top view. 18. The apparatus of claim 16, wherein the light emitting device package further comprises second and third light emitting devices, and the first and second discrete conductor patterns are respectively electrically connected to the second and third light emitting devices. 19. The apparatus of claim 18, wherein the first to third light emitting devices are serially connected to each other through the first and second discrete conductor patterns. 20. The apparatus of claim 19, wherein the third and fourth discrete conductor patterns are connected to a first conductive wiring of the printed circuit board formed below a top surface of the printed circuit board.
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