Method of making a substrate structure having a flexible layer
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01L-033/46
H01L-025/075
H05K-001/02
H05K-001/18
출원번호
US-0309628
(2014-06-19)
등록번호
US-9401348
(2016-07-26)
우선권정보
KR-10-2013-0076092 (2013-06-28)
발명자
/ 주소
Yoon, Young Jeong
Lee, Yeon Woo
Jang, Sung Min
출원인 / 주소
SAMSUNG ELECTRONICS CO., LTD.
대리인 / 주소
Sughrue Mion, PLLC
인용정보
피인용 횟수 :
1인용 특허 :
37
초록▼
There is provided a semiconductor light emitting device including: a heat dissipation structure including one or more of materials among a metal, a ceramic, a semiconductor, and a resin; a flexible insulating layer directly in contact with the heat dissipation structure; a conductive layer laminated
There is provided a semiconductor light emitting device including: a heat dissipation structure including one or more of materials among a metal, a ceramic, a semiconductor, and a resin; a flexible insulating layer directly in contact with the heat dissipation structure; a conductive layer laminated on the flexible insulating layer; and a light emitting device mounted on the conductive layer, wherein the light emitting device includes a light emitting structure including a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer; and first and second electrodes connected to the first and second conductivity-type semiconductor layers, respectively, and the first electrode includes a plurality of conductive vias connected to the first conductivity-type semiconductor layer through the second conductivity-type semiconductor layer and the active layer.
대표청구항▼
1. A method of making a light emitting device, the method comprising: attaching a conductive layer on a first surface of a flexible layer, the flexible layer being made of a resin and one from among a ceramic filler and a light-reflective filler, and being maintained in a semi-cured state;forming a
1. A method of making a light emitting device, the method comprising: attaching a conductive layer on a first surface of a flexible layer, the flexible layer being made of a resin and one from among a ceramic filler and a light-reflective filler, and being maintained in a semi-cured state;forming a solder resist layer on the conductive layer;attaching a first heat dissipation structure to a first region on a second surface opposite to the first surface of the flexible layer and attaching a second heat dissipation structure to a second region different from the first region, on the second surface of the flexible layer, the attached first and the attached second heat dissipation structures being in direct contact with the flexible layer thereby forming a flexible region provided between the first region and the second region and including at least a portion of the flexible layer; andheating and pressing to bond the flexible layer and the first and the second heat dissipation structures together,wherein the flexible region comprises one of a concave portion and a convex portion at a part of the flexible region adjoining one of the first and the second regions. 2. The method of claim 1, wherein in the heating and pressing, the flexible layer in the semi-cured state, is cured to bond the flexible layer and the heat dissipation structure together without using another layer or adhesive between the flexible layer and the heat dissipation structure. 3. The method of claim 2, wherein the heating and pressing comprises: heating to a temperature between 140° C. and 190° C.; andapplying pressure between 5.5 kgf/cm2to 7.5 kgf/cm2. 4. The method of claim 3, wherein the heating and applying pressure are applied for two to six hours to cure the semi-cured flexible layer. 5. The method of claim 4, wherein the temperature of the heating is between 140° C. and less than 180° C. 6. The method of claim 1, wherein the ceramic filler is 10% by weight of the flexible layer. 7. The method of claim 1, wherein the flexible layer has a thickness in a range from 0.1 micrometer to 0.15 micrometer. 8. The method of claim 1, wherein the flexible region comprises: the one of the concave portion and the convex portion at a first part of the flexible region adjoining the one of the first and the second regions; andthe other of the concave portion and the convex portion at a second part different from the first part of the flexible region adjoining the other of the first and the second regions. 9. A method of making a light emitting device, the method comprising: attaching a conductive layer on an upper surface of a flexible layer, the flexible layer being made of a resin and one from among a ceramic filler and a light-reflective filler, and being maintained in a semi-cured state;forming a solder resist layer on the conductive layer;attaching a first heat dissipation structure to a one region on a lower surface of the flexible layer and attaching a second heat dissipation structure to another region on the lower surface of the flexible layer, the attached first and the attached second heat dissipation structures being in direct contact with the flexible layer; andheating and pressing to bond the flexible layer and the first and the second heat dissipation structures together,wherein a flexible region is disposed between the one and the another regions, and includes portions of the solder resist layer, the conductive layer, and the flexible layer, andwherein the flexible region is flexible to have one of a positive curvature and a negative curvature at a part of the flexible region adjoining the one region and to have another of the positive curvature and the negative curvature at a part of the flexible region adjoining the another region.
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