Semiconductor light emitting device package and method for manufacturing the same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01L-021/00
H01L-033/00
H01L-033/50
H01L-033/20
출원번호
US-0659265
(2017-07-25)
등록번호
US-10170663
(2019-01-01)
우선권정보
KR-10-2015-0000803 (2015-01-05)
발명자
/ 주소
Park, Il Woo
Kim, Jung Hoon
출원인 / 주소
SAMSUNG ELECTRONICS CO., LTD.
대리인 / 주소
Sughrue Mion, PLLC
인용정보
피인용 횟수 :
0인용 특허 :
43
초록▼
A method for manufacturing a semiconductor light emitting device package includes forming a light emitting structure including a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer sequentially stacked on a growth substrate, forming a refl
A method for manufacturing a semiconductor light emitting device package includes forming a light emitting structure including a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer sequentially stacked on a growth substrate, forming a reflective layer on a first surface of the light emitting structure corresponding to a surface of the second conductivity-type semiconductor layer, forming bumps on the first surface, the bumps being electrically connected to the first or second conductivity-type semiconductor layer and protruding from the reflective layer, bonding a support substrate to the bumps on the first surface, removing the growth substrate, bonding a light transmissive substrate coated with a wavelength conversion layer to a second surface of the light emitting structure from which the growth substrate is removed, and removing the support substrate. The reflective layer covers at least portions of side surfaces of the light emitting structure and the bumps.
대표청구항▼
1. A semiconductor light emitting device package, comprising: a light emitting structure including a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer;a plurality of bumps disposed on a first surface of the light emitting structure and e
1. A semiconductor light emitting device package, comprising: a light emitting structure including a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer;a plurality of bumps disposed on a first surface of the light emitting structure and electrically connected to the first or the second conductivity-type semiconductor layer;a reflective layer disposed on the first surface of the light emitting structure, disposed on at least a portion of side surfaces of the light emitting structure, and disposed on at least a portion of bump side surfaces of the plurality of bumps;a wavelength conversion layer disposed on a second surface of the light emitting structure opposite the first surface of the light emitting structure; anda light transmissive substrate disposed on the wavelength conversion layer,wherein each of the side surfaces of the light emitting structure is in contact with the reflective layer and the wavelength conversion layer. 2. The semiconductor light emitting device package of claim 1, wherein at least one of the side surfaces of the light emitting structure includes at least two inclined surfaces having different inclinations. 3. The semiconductor light emitting device package of claim 2, wherein a first boundary between the at least two inclined surfaces corresponds to a second boundary between the reflective layer and the wavelength conversion layer. 4. The semiconductor light emitting device package of claim 1, wherein a bottom surface and side surfaces of the reflective layer are configured to form a portion of exterior surfaces of the semiconductor light emitting device package. 5. The semiconductor light emitting device package of claim 1, wherein each of the plurality of bumps has a first thickness which is within a range from 50 μm to 120 μm. 6. The semiconductor light emitting device package of claim 1, wherein the light transmissive substrate and the wavelength conversion layer have a second thickness which is within a range from 40 μm to 120 μm. 7. The semiconductor light emitting device package of claim 1, wherein the wavelength conversion layer includes a quantum dot. 8. The semiconductor light emitting device package of claim 1, wherein the light transmissive substrate is formed of at least one of glass, quartz, transparent resin, SiO2, SiN, Al2O3, HfO, TiO2 or ZrO. 9. The semiconductor light emitting device package of claim 1, wherein the light transmissive substrate has a uniform thickness. 10. The semiconductor light emitting device package of claim 1, wherein a boundary between the reflective layer and the wavelength conversion layer is disposed on the side surfaces of the light emitting structure and parallel to the first surface. 11. A semiconductor light emitting device package, comprising: a light emitting structure;a plurality of bumps disposed on a first surface of the light emitting structure and electrically connected to the light emitting structure;a reflective layer disposed on the first surface of the light emitting structure and disposed on at least a portion of side surfaces of the light emitting structure;a wavelength conversion layer disposed on a second surface of the light emitting structure opposite the first surface of the light emitting structure; anda light transmissive substrate disposed on the wavelength conversion layer,wherein each of the side surfaces of the light emitting structure is in contact with the reflective layer and the wavelength conversion layer. 12. The semiconductor light emitting device package of claim 11, wherein the side surfaces of the light emitting structure are covered by the reflective layer and the wavelength conversion layer. 13. The semiconductor light emitting device package of claim 11, wherein a bottom surface and side surfaces of the reflective layer are configured to form a portion of exterior surfaces of the semiconductor light emitting device package. 14. The semiconductor light emitting device package of claim 11, wherein each of the plurality of bumps has a first thickness which is within a range from 50 μm to 120 μm. 15. The semiconductor light emitting device package of claim 11, wherein the light transmissive substrate and the wavelength conversion layer have a second thickness which is within a range from 40 μm to 120 μm. 16. The semiconductor light emitting device package of claim 11, wherein the wavelength conversion layer includes a quantum dot. 17. The semiconductor light emitting device package of claim 11, wherein the light transmissive substrate is formed of at least one of glass, quartz, transparent resin, SiO2, SiN, Al2O3, HfO, TiO2 or ZrO. 18. The semiconductor light emitting device package of claim 11, wherein the light transmissive substrate has a uniform thickness. 19. A semiconductor light emitting device package, comprising: a light emitting structure;a plurality of bumps disposed on a first surface of the light emitting structure and electrically connected to the light emitting structure;a reflective layer disposed on the first surface of the light emitting structure and disposed on at least a portion of side surfaces of the light emitting structure;a wavelength conversion layer disposed on a second surface of the light emitting structure opposite the first surface of the light emitting structure; anda light transmissive substrate disposed on the wavelength conversion layer,wherein at least one of the side surfaces of the light emitting structure includes at least two inclined surfaces having different inclinations. 20. The semiconductor light emitting device package of claim 19, wherein a first boundary between the at least two inclined surfaces corresponds to a second boundary between the reflective layer and the wavelength conversion layer.
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