WO2010024635A2 - 발광 소자 패키지 - Google Patents
발광 소자 패키지 Download PDFInfo
- Publication number
- WO2010024635A2 WO2010024635A2 PCT/KR2009/004869 KR2009004869W WO2010024635A2 WO 2010024635 A2 WO2010024635 A2 WO 2010024635A2 KR 2009004869 W KR2009004869 W KR 2009004869W WO 2010024635 A2 WO2010024635 A2 WO 2010024635A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cavity
- light emitting
- electrode layer
- layer
- emitting diode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/855—Optical field-shaping means, e.g. lenses
- H10H20/856—Reflecting means
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/8506—Containers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/857—Interconnections, e.g. lead-frames, bond wires or solder balls
Definitions
- the present invention relates to a light emitting device package.
- a light emitting diode As the light emitting device, a light emitting diode is used.
- the light emitting diode is stacked with an n-type semiconductor layer, an active layer, and a p-type semiconductor layer, the light is generated in the active layer according to the applied power is emitted to the outside.
- the light emitting device package includes the light emitting diode, a substrate supporting the light emitting diode, and a conductive member for supplying power to the light emitting diode.
- the embodiment provides a light emitting device package having a new structure.
- the embodiment provides a light emitting device package having improved light emission efficiency.
- the light emitting device package has a first depth and a side inclined with respect to a bottom surface, and a second depth from a bottom surface of the first cavity and a side with respect to a bottom surface of the first cavity.
- a substrate comprising a second cavity vertical;
- a light emitting diode installed in the second cavity and electrically connected to the first electrode layer and the second electrode layer.
- a light emitting device package may include a substrate including a first cavity having a first depth and a second cavity having a second depth from a bottom surface of the first cavity; A first electrode layer on a portion of the first cavity and the side and bottom surfaces of the second cavity; A second electrode layer on a portion of the first cavity; And a light emitting diode installed in the second cavity and electrically connected to the first electrode layer and the second electrode layer.
- a light emitting device package may include a substrate including a first cavity having a first depth and a second cavity having a second depth from a bottom surface of the first cavity; A first electrode layer and a second electrode layer electrically separated from each other on the substrate; And a light emitting diode installed in the second cavity and partially protruding outward from the second cavity and electrically connected to the first electrode layer and the second electrode layer.
- the embodiment can provide a light emitting device package having a new structure.
- the embodiment can provide a light emitting device package having improved light emission efficiency.
- FIG. 1 is a perspective view of a light emitting device package according to an embodiment.
- FIG. 2 is a cross-sectional view of a light emitting device package according to the embodiment.
- each layer (film), region, pattern or structure is “on” or “under” the substrate, each layer (film), region, pad or pattern.
- "On” and “under” include both being formed “directly” or “indirectly” through another layer. do.
- the criteria for the top or bottom of each layer will be described with reference to the drawings.
- each layer is exaggerated, omitted, or schematically illustrated for convenience and clarity of description.
- the size of each component does not necessarily reflect the actual size.
- FIG. 1 is a perspective view of a light emitting device package according to an embodiment
- FIG. 2 is a cross-sectional view of the light emitting device package according to the embodiment.
- the light emitting device package includes a substrate 10 having a first cavity 60, a second cavity 70 formed in the first cavity 60, and the substrate 10.
- a molding member made of resin may be formed in the first cavity 60 and the second cavity 70 including the light emitting diode 100, and the molding member may include a phosphor. have.
- the substrate 10 may be various, such as a printed circuit board (PCB), a silicon wafer, and a resin, and the first cavity 60 having a first area on the upper surface of the substrate 10 and having a first depth is formed. And a second cavity 70 having a second area smaller than the first area and having a second depth smaller than the first depth from the bottom surface of the first cavity 60.
- PCB printed circuit board
- silicon wafer silicon wafer
- resin a resin
- the first cavity 60 has a side surface formed with an inclined surface 13
- the second cavity 70 has a side surface perpendicular to the bottom surface of the second cavity 70.
- the first electrode layer 11 and the second electrode layer 12 may have both a function of supplying power to the light emitting diode 100 and a function of reflecting light emitted from the light emitting diode 100.
- the first electrode layer 11 and the second electrode layer 12 may be formed of a copper (Cu) material, and may be formed by coating aluminum (Al) or silver (Ag) having a high light reflectivity on the upper surface thereof.
- the first electrode layer 11 has an upper surface of the substrate 10, a side surface of the first cavity 60, a bottom surface of the first cavity 60, a side surface of the second cavity 70, and the second surface of the first cavity 60. It may be formed on the bottom surface of the cavity 70.
- the second electrode layer 12 may be formed on an upper surface of the substrate 10, a side surface of the first cavity 60, and a bottom surface of the first cavity 60.
- the first electrode layer 11 may be formed entirely on the side and bottom surfaces of the second cavity 70, and may be partially formed on the first cavity 60.
- the second electrode layer 12 may be partially formed only in the first cavity 60.
- the first electrode layer 11 and the second electrode layer 12 may be formed to be as large as possible in a state electrically separated from each other.
- the LED 100 may include a support layer 20, a light emitting layer 30, and an electrode layer 40.
- the support layer 20 is formed of a conductive material to electrically connect the first electrode layer 11 and the light emitting layer 30.
- the support layer 20 may be formed of a metal material, and at least any one of copper (Cu), nickel (Ni), gold (Au), aluminum (Al), chromium (Cr), and titanium (Ti). It may be formed of a material containing one.
- a reflective layer (not shown) formed of a metal including silver (Ag) or aluminum (Al) having high light reflectivity is formed between an upper surface of the support layer 20, that is, between the support layer 20 and the light emitting layer 30. May be
- the emission layer 30 may be formed of a nitride semiconductor.
- the light emitting layer 30 may include a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer.
- the electrode layer 40 allows the light emitting layer 30 to be electrically connected to the second electrode layer 12 through the wire 50.
- the electrode layer 40 may include an ohmic electrode layer, and the ohmic electrode layer may be formed of a transparent electrode layer.
- the electrode layer 40 may be formed of at least one of Ni, IZO, ITO, ZnO, RuO x , TiO x , and IrO x .
- the substrate 10 has the first cavity 60 and the second cavity 70, the light emitting diode 100 is installed in the second cavity 70. .
- the mounting position of the light emitting diode 100 can be easily determined, and a part of the light emitting diode 100 is formed in the second cavity 70. Since it is located inside, it is possible to prevent the impact from the outside is directly applied to the light emitting diode (100).
- the light emitting layer 30 of the light emitting diode 100 is positioned above the first electrode layer 11 and the second electrode layer 12 formed on the bottom surface of the first cavity 60. That is, the support layer 20 of the light emitting diode 100 is formed thicker than the depth of the second cavity 70.
- the width of the second cavity 70 may be designed to be 0.5 to 10% larger than the width of the light emitting diode 100.
- the widths of the first and second directions of the light emitting diodes 100 are 1000 ⁇ m ⁇ 1000 ⁇ m
- the widths of the first and second directions of the second cavity 70 are 1005 ⁇ m. It can be formed in the size of ⁇ 1005 ⁇ m to 1100 ⁇ m ⁇ 1100 ⁇ m.
- the distance between the support layer 20 and the side surface of the second cavity 70 may be 2.5-50 ⁇ m. .
- light emitted from the light emitting layer 30 of the light emitting diode 100 may be mostly emitted to the outside without being absorbed by the support layer 20 of the light emitting diode 100.
- the light emitting device package according to the embodiment may maximize the light emitting efficiency by effectively emitting the light emitted from the light emitting diode 100 to the outside.
- the embodiment may be applied to a light emitting device package used as a light source.
Landscapes
- Led Device Packages (AREA)
- Led Devices (AREA)
Abstract
Description
Claims (15)
- 제1 깊이를 갖고 측면이 바닥면에 대하여 경사진 제1 캐비티와, 상기 제1 캐비티의 바닥면으로부터 제2 깊이를 갖고 측면이 상기 제1 캐비티의 바닥면에 대하여 수직인 제2 캐비티를 포함하는 기판;상기 기판 상에 제1 전극층 및 제2 전극층; 및상기 제2 캐비티 내에 설치되고 상기 제1 전극층 및 제2 전극층과 전기적으로 연결되는 발광 다이오드를 포함하는 발광 소자 패키지.
- 제 1항에 있어서,상기 발광 다이오드는 도전성을 갖는 지지층과, 상기 지지층 상에 발광층과, 상기 발광층 상에 전극층을 포함하는 발광 소자 패키지.
- 제 2항에 있어서,상기 지지층은 상기 제1 전극층과 접촉하여 전기적으로 연결되고, 상기 전극층은 상기 제2 전극층과 와이어를 통해 전기적으로 연결되는 발광 소자 패키지.
- 제 2항에 있어서,상기 지지층과 발광층 사이에 은 또는 알루미늄을 포함하는 반사층을 포함하는 발광 소자 패키지.
- 제 1항에 있어서,상기 제2 캐비티의 폭은 상기 발광 다이오드의 폭보다 0.5-10% 큰 발광 소자 패키지.
- 제 1항에 있어서,상기 발광 다이오드의 측면과 상기 제2 캐비티의 측면은 2.5-50㎛ 간격으로 이격된 발광 소자 패키지.
- 제1 깊이를 갖는 제1 캐비티와, 상기 제1 캐비티의 바닥면으로부터 제2 깊이를 갖는 제2 캐비티를 포함하는 기판;상기 제1 캐비티의 일부분 및 상기 제2 캐비티의 측면과 바닥면 전체에 제1 전극층;상기 제1 캐비티의 일부분에 제2 전극층; 및상기 제2 캐비티 내에 설치되고 상기 제1 전극층 및 제2 전극층과 전기적으로 연결되는 발광 다이오드를 포함하는 발광 소자 패키지.
- 제 7항에 있어서,상기 발광 다이오드는 도전성을 갖는 지지층과, 상기 지지층 상에 발광층과, 상기 발광층 상에 전극층을 포함하는 발광 소자 패키지.
- 제 8항에 있어서,상기 지지층은 상기 제1 전극층과 접촉하여 전기적으로 연결되고, 상기 전극층은 상기 제2 전극층과 와이어를 통해 전기적으로 연결되는 발광 소자 패키지.
- 제 8항에 있어서,상기 발광 다이오드는 일부분이 상기 제2 캐비티로부터 돌출되고, 상기 발광층은 상기 제1 캐비티의 바닥면 보다 높은 위치에 배치되는 발광 소자 패키지.
- 제 7항에 있어서,상기 제1 캐비티는 측면이 경사면으로 형성되고, 상기 제2 캐비티는 측면이 수직면으로 형성되는 발광 소자 패키지.
- 제1 깊이를 갖는 제1 캐비티와, 상기 제1 캐비티의 바닥면으로부터 제2 깊이를 갖는 제2 캐비티를 포함하는 기판;상기 기판 상에 서로 전기적으로 분리된 제1 전극층 및 제2 전극층; 및상기 제2 캐비티 내에 설치되어 일부분이 상기 제2 캐비티의 외측으로 돌출되고, 상기 제1 전극층 및 제2 전극층과 전기적으로 연결되는 발광 다이오드를 포함하는 발광 소자 패키지.
- 제 12항에 있어서,상기 발광 다이오드는 도전성을 갖는 지지층과, 상기 지지층 상에 발광층과, 상기 발광층 상에 전극층을 포함하고,상기 발광층은 상기 제1 캐비티의 바닥면 보다 높은 위치에 배치되는 발광 소자 패키지.
- 제 12항에 있어서,상기 제2 캐비티의 폭은 상기 발광 다이오드의 폭보다 0.5-10% 큰 발광 소자 패키지.
- 제 12항에 있어서,상기 제1 전극층은 상기 제1 캐비티의 일부분 및 상기 제2 캐비티의 측면과 바닥면 전체에 형성되고, 상기 제2 전극층은 상기 제1 캐비티의 일부분에 형성되는 발광 소자 패키지.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200980101104.9A CN101874311B (zh) | 2008-09-01 | 2009-08-31 | 发光器件封装 |
| EP09810240.3A EP2207212B1 (en) | 2008-09-01 | 2009-08-31 | Light emitting device package |
| US12/812,915 US8487336B2 (en) | 2008-09-01 | 2009-08-31 | Light emitting device package |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020080085884A KR100999699B1 (ko) | 2008-09-01 | 2008-09-01 | 발광 소자 패키지 |
| KR10-2008-0085884 | 2008-09-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2010024635A2 true WO2010024635A2 (ko) | 2010-03-04 |
| WO2010024635A3 WO2010024635A3 (ko) | 2010-06-10 |
Family
ID=41722155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2009/004869 Ceased WO2010024635A2 (ko) | 2008-09-01 | 2009-08-31 | 발광 소자 패키지 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8487336B2 (ko) |
| EP (1) | EP2207212B1 (ko) |
| KR (1) | KR100999699B1 (ko) |
| CN (1) | CN101874311B (ko) |
| WO (1) | WO2010024635A2 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102244178A (zh) * | 2010-05-14 | 2011-11-16 | 展晶科技(深圳)有限公司 | 发光二极管的封装结构 |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101789825B1 (ko) * | 2011-04-20 | 2017-11-20 | 엘지이노텍 주식회사 | 자외선 발광 다이오드를 이용한 발광소자 패키지 |
| JP2012238830A (ja) | 2011-05-09 | 2012-12-06 | Lumirich Co Ltd | 発光ダイオード素子 |
| US20130069218A1 (en) * | 2011-09-20 | 2013-03-21 | Stmicroelectronics Asia Pacific Pte Ltd. | High density package interconnect with copper heat spreader and method of making the same |
| KR20130102746A (ko) * | 2012-03-08 | 2013-09-23 | 삼성전자주식회사 | 발광 장치의 제조 방법 |
| DE102013100121B4 (de) * | 2013-01-08 | 2025-08-14 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Optoelektronisches Halbleiterbauteil |
| KR102045778B1 (ko) * | 2013-08-30 | 2019-11-18 | 엘지디스플레이 주식회사 | 발광 다이오드 패키지 |
| JP6606331B2 (ja) * | 2015-02-16 | 2019-11-13 | ローム株式会社 | 電子装置 |
| CN113636265A (zh) * | 2021-08-14 | 2021-11-12 | 浙江珵美科技有限公司 | 一种编码器46to贴片封装装置及方法 |
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| JPH11163419A (ja) | 1997-11-26 | 1999-06-18 | Rohm Co Ltd | 発光装置 |
| JP2000183407A (ja) * | 1998-12-16 | 2000-06-30 | Rohm Co Ltd | 光半導体装置 |
| US8294172B2 (en) * | 2002-04-09 | 2012-10-23 | Lg Electronics Inc. | Method of fabricating vertical devices using a metal support film |
| CN100352066C (zh) | 2002-07-25 | 2007-11-28 | 松下电工株式会社 | 光电元件部件 |
| KR100567559B1 (ko) * | 2002-07-25 | 2006-04-05 | 마츠시다 덴코 가부시키가이샤 | 광전소자부품 |
| KR101045507B1 (ko) * | 2003-03-18 | 2011-06-30 | 스미토모 덴키 고교 가부시키가이샤 | 발광 소자 탑재용 부재 및 그것을 사용한 반도체 장치 |
| KR100580765B1 (ko) * | 2003-09-22 | 2006-05-15 | 엘지이노텍 주식회사 | 발광 다이오드 패키지 및 그 제조방법 |
| US20050225222A1 (en) * | 2004-04-09 | 2005-10-13 | Joseph Mazzochette | Light emitting diode arrays with improved light extraction |
| JP3994287B2 (ja) * | 2004-07-07 | 2007-10-17 | サンケン電気株式会社 | 半導体発光素子 |
| TWI239670B (en) * | 2004-12-29 | 2005-09-11 | Ind Tech Res Inst | Package structure of light emitting diode and its manufacture method |
| US7432119B2 (en) * | 2005-01-11 | 2008-10-07 | Semileds Corporation | Light emitting diode with conducting metal substrate |
| DE102005017527A1 (de) * | 2005-04-15 | 2006-11-02 | Osram Opto Semiconductors Gmbh | Oberflächenmontierbares optoelektronisches Bauelement |
| KR20080008767A (ko) | 2006-07-21 | 2008-01-24 | (주) 아모센스 | 전자부품 패키지 및 이를 채용한 조명기구 |
| KR100853412B1 (ko) | 2006-12-05 | 2008-08-21 | (주) 아모센스 | 반도체 패키지 |
| JP5168152B2 (ja) * | 2006-12-28 | 2013-03-21 | 日亜化学工業株式会社 | 発光装置 |
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-
2008
- 2008-09-01 KR KR1020080085884A patent/KR100999699B1/ko not_active Expired - Fee Related
-
2009
- 2009-08-31 WO PCT/KR2009/004869 patent/WO2010024635A2/ko not_active Ceased
- 2009-08-31 US US12/812,915 patent/US8487336B2/en not_active Expired - Fee Related
- 2009-08-31 CN CN200980101104.9A patent/CN101874311B/zh not_active Expired - Fee Related
- 2009-08-31 EP EP09810240.3A patent/EP2207212B1/en not_active Not-in-force
Non-Patent Citations (2)
| Title |
|---|
| None |
| See also references of EP2207212A4 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102244178A (zh) * | 2010-05-14 | 2011-11-16 | 展晶科技(深圳)有限公司 | 发光二极管的封装结构 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20100026759A (ko) | 2010-03-10 |
| US8487336B2 (en) | 2013-07-16 |
| EP2207212A2 (en) | 2010-07-14 |
| WO2010024635A3 (ko) | 2010-06-10 |
| CN101874311A (zh) | 2010-10-27 |
| CN101874311B (zh) | 2014-08-27 |
| EP2207212B1 (en) | 2017-08-30 |
| KR100999699B1 (ko) | 2010-12-08 |
| US20110049553A1 (en) | 2011-03-03 |
| EP2207212A4 (en) | 2015-11-11 |
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