Semiconductor light-emitting devices and methods of manufacturing the same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01L-033/44
H01L-033/36
출원번호
US-0626410
(2017-06-19)
등록번호
US-10121939
(2018-11-06)
우선권정보
KR-10-2016-0077562 (2016-06-21)
발명자
/ 주소
Yang, Seong-seok
Lee, Jin-bock
Kwak, Jung-hee
Park, Jung-kyu
Kim, Jung-sung
출원인 / 주소
SAMSUNG ELECTRONICS CO., LTD.
대리인 / 주소
Harness, Dickey & Pierce, PLC
인용정보
피인용 횟수 :
0인용 특허 :
50
초록▼
A semiconductor light-emitting device may include an emission structure, a protection pattern layer on a limited region of the emission structure, and an insulating pattern layer on the emission structure. The protection pattern layer may expose a separate remaining region of the emission structure,
A semiconductor light-emitting device may include an emission structure, a protection pattern layer on a limited region of the emission structure, and an insulating pattern layer on the emission structure. The protection pattern layer may expose a separate remaining region of the emission structure, and the first insulating pattern layer may cover at least the remaining region of the emission structure. The insulating layer may include an opening that exposes at least a portion of a surface of the protection pattern layer, such that the emission structure remains covered by at least one of the insulating layer and the protection pattern layer.
대표청구항▼
1. A semiconductor light-emitting device, comprising: an emission structure including a first semiconductor layer, a second semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer;a protection pattern layer on a region of the emission structu
1. A semiconductor light-emitting device, comprising: an emission structure including a first semiconductor layer, a second semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer;a protection pattern layer on a region of the emission structure;a first insulating pattern layer on the emission structure, the first insulating pattern layer including an opening, such that the emission structure is covered by at least one of the first insulating pattern layer and the protection pattern layer; andan electrode layer on the protection pattern layer in the opening, on the first insulating pattern layer, and on the second semiconductor layer, wherein the electrode layer has a plan view area greater than a plan view area of the protection pattern layer. 2. The device of claim 1, wherein, the opening of the first insulating pattern layer overlaps a portion of a surface of the emission structure, such that the protection pattern layer and the first insulating pattern layer cover a top surface of the emission structure. 3. The device of claim 1, wherein, the protection pattern layer includes a plurality of protection patterns spaced apart from one another, andthe first insulating pattern layer includes a plurality of openings that at least partially overlap with the plurality of protection patterns, respectively. 4. The device of claim 1, wherein the protection pattern layer includes an insulating material. 5. The device of claim 1, wherein the protection pattern layer includes a metal material. 6. The device of claim 1, further comprising: a current diffusion layer on a top surface of the emission structure, a side surface of the protection pattern layer, and the top surface of the protection pattern layer, the current diffusion layer including a conductive material. 7. The device of claim 1, wherein, the first insulating pattern layer includes a material associated with a lower refractive index than a refractive index associated with the second semiconductor layer, andthe first insulating pattern layer is a single film or a multilayered structure. 8. The device of claim 1, further comprising: an adhesive layer between the first insulating pattern layer and the electrode layer. 9. The device of claim 1, further comprising: a second insulating pattern layer on the electrode layer, the second insulating pattern layer including an opening on a top surface of the electrode layer. 10. A semiconductor light-emitting device, comprising: an emission structure including a first semiconductor layer, a second semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer;a protection pattern layer on a limited region of the emission structure,an insulating pattern layer on the emission structure and the protection pattern layer, the insulating pattern layer including an opening penetrating the insulating pattern layer, wherein the opening is above a top surface of the protection pattern layer such that the emission structure is covered by at least one of the insulating pattern layer and the protection pattern layer; andan electrode layer on the protection pattern layer and on the opening, on the insulating pattern layer, and on the second semiconductor layer, wherein the electrode layer has a plan view area greater than a plan view area of the protection pattern layer. 11. The device of claim 10, wherein the protection pattern layer includes an insulating material. 12. The device of claim 10, wherein the protection pattern layer includes a metal material. 13. The device of claim 10, further comprising: a current diffusion layer on a top surface of the emission structure, a side surface of the protection pattern layer, and the top surface of the protection pattern layer, the current diffusion layer including a conductive material. 14. A semiconductor light-emitting device, comprising: an emission structure, the emission structure configured to generate a wavelength of light;a protection pattern layer on a limited region of the emission structure, the protection pattern layer having a refractive index, the protection pattern layer having a thickness substantially equal to or greater than one-half of a ratio of the wavelength of light that the emission structure is configured to generate to the refractive index of the protection pattern layer; andan insulating pattern layer on the emission structure, the insulating pattern layer including an opening penetrating the insulating pattern layer, wherein the opening is above the protection pattern layer, such that the emission structure is covered by at least one of the insulating pattern layer and the protection pattern layer. 15. The device of claim 14, further comprising: a current diffusion layer on the emission structure and the protection pattern layer, the current diffusion layer including a conductive material. 16. The device of claim 14, wherein the protection pattern layer includes an insulating material. 17. The device of claim 14, wherein the protection pattern layer includes a metal material. 18. The device of claim 14, wherein a boundary of an inner wall of the opening is substantially common with a boundary of a side surface of the protection pattern layer in a direction substantially perpendicular to a top surface of the emission structure. 19. The device of claim 14, wherein, the protection pattern layer includes a plurality of protection patterns spaced apart from one another, andthe insulating pattern layer includes a plurality of openings that at least partially overlap with the plurality of protection patterns, respectively. 20. The device of claim 14, further comprising: a package substrate, the package substrate including a top surface that is proximate to a top surface of an electrode layer; wherein the package substrate top surface is coupled to the electrode layer top surface according to a flip-chip.
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