WO2002017401A1 - Bauelement mit einer vielzahl von lumineszenzdiodenchips - Google Patents
Bauelement mit einer vielzahl von lumineszenzdiodenchips Download PDFInfo
- Publication number
- WO2002017401A1 WO2002017401A1 PCT/DE2001/003198 DE0103198W WO0217401A1 WO 2002017401 A1 WO2002017401 A1 WO 2002017401A1 DE 0103198 W DE0103198 W DE 0103198W WO 0217401 A1 WO0217401 A1 WO 0217401A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- diode chips
- optoelectronic component
- component according
- luminescence diode
- reflector
- Prior art date
Links
- 238000004020 luminiscence type Methods 0.000 claims description 32
- 230000005693 optoelectronics Effects 0.000 claims description 11
- 230000005855 radiation Effects 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 2
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/483—Containers
- H01L33/486—Containers adapted for surface mounting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
- H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/58—Optical field-shaping elements
- H01L33/60—Reflective elements
Definitions
- the invention relates to an optoelectronic component according to the preamble of patent claim 1.
- Such components are generally known. Since the luminescence diode chips can send light in different colors, the components can be used for multi-colored ones
- the luminescent diodes are also arranged together in a reflector, the component remains relatively small despite the multicolored nature of the emitted light.
- the light output remains below the sum of the light outputs of the individual luminescence diode chips.
- the object of the invention is to specify a component with improved light output.
- the direct line of sight between the luminescence diode chips is interrupted by diaphragms in the component according to the invention, only a small fraction of the radiation emitted by one luminescence diode chip is absorbed by the other luminescence diode chips. These measures eliminate a major cause of the losses that occur.
- the light output of the component according to the invention is therefore essentially equal to the sum of the light outputs of the individual luminescence diode chips. Further advantageous embodiments of the invention are the subject of the dependent claims.
- FIG. 1 shows a plan view of a component that can be equipped with a large number of luminescence diode chips
- FIG. 2 shows a cross-sectional view along the section line II-II in FIG. 1;
- Figure 3 is a cross-sectional view through a modified embodiment of the component.
- FIG. 1 shows a plan view of a component 1, which is explained in more detail below with reference to Figures 1 and 2.
- the component 1 has a housing 2 in which a recess 3 is formed.
- the depression 3 with its bevelled side walls 4 serves as a reflector for the luminescence diode chips 5 arranged in the depression 3.
- the luminescence diode chips 5 are arranged on a contact carrier 6 (leadframe), the connection elements 7 of which protrude laterally from the housing 2.
- the contact carrier 6 is located in sections under cover layers 8, which serve to fix the contact carrier 6.
- the contact carrier 6 is divided into individual landing sites for the luminescence diode chips 5 and connection areas 10 for the bond wires used for bonding the luminescence diode chips 5.
- the bonding wires used to connect the luminescence diode chips 5 are not shown in FIGS. 1 and 2.
- the luminescence diode chips 5 are typically arranged in the housing 2 at a distance of 0.8 mm, measured in each case from the center of the luminescence diode chips 5. Between the landing sites 9 for the luminescence diode chips 5 there is an approximately 0.2 mm wide gap. In the case of FIGS and the embodiment shown in FIG. 2, the gap in the contact carrier 6 between the landing sites 9 with the intermediate wall 11 with walls that are wedge-shaped in cross section is used. The direct visual contact between the LED chips 5 is interrupted by the intermediate wall 11. Therefore, the radiation emanating from one of the luminescence diode chips 5 cannot be directly absorbed by one of the other luminescence diode chips 5. For this reason, the light output of the component 1 is approximately equal to the sum of the light outputs of the individual luminescence diode chips 5.
- the wedge-shaped cross section of the intermediate wall 11 ensures that the light incident on the intermediate wall 11 is reflected to the outside.
- the height of the intermediate wall 11 should advantageously be up to 25%, preferably up to
- the emission characteristic of the luminescence diode chips 5 is therefore decisive. If the luminescence diode chips 5 mainly emit downwards, the height of the intermediate wall 11 can also be smaller than the height of the luminescence diode chips 5.
- the contact carrier 6 is first extrusion-coated with a thermoplastic or thermoset, and then the luminescence diode chips 5 are deposited on the landing sites 9 and bonded.
- the depression 3 is then filled with a resin which is transparent to the radiation from the luminescence diode chips 5.
- the same method can also be used if the contact carrier 6 is replaced by a complete printed circuit board.
- the circuit board in the area of the luminescence diode chips 5 is provided with a housing 2 which is sprayed onto the circuit board.
- FIG. 3 shows a cross-sectional view through a modified exemplary embodiment of component 1.
- housing 2 is first formed and then the required conductor tracks 12 are produced on the surface of housing 2.
- the so-called CIMID technology can be used for this.
- a thin metal layer is first deposited in an aqueous solution on the surface of the housing 2 and then structured with a laser.
- the metal layer structured in this way is then thickened by electroplating.
- the use of this method has the advantage that the intermediate wall 11 can also be covered with a reflective metal layer. This further improves the efficiency of the component 1.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Led Device Packages (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002521368A JP2004517465A (ja) | 2000-08-24 | 2001-08-22 | 発光ダイオードチップを含むオプトエレクトロニクス部品 |
EP01971631A EP1312117A1 (de) | 2000-08-24 | 2001-08-22 | Bauelement mit einer vielzahl von lumineszenzdiodenchips |
US10/362,554 US7435997B2 (en) | 2000-08-24 | 2001-08-22 | Component comprising a large number of light-emitting-diode chips |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10041686.1 | 2000-08-24 | ||
DE10041686A DE10041686A1 (de) | 2000-08-24 | 2000-08-24 | Bauelement mit einer Vielzahl von Lumineszenzdiodenchips |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002017401A1 true WO2002017401A1 (de) | 2002-02-28 |
Family
ID=7653703
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2001/003198 WO2002017401A1 (de) | 2000-08-24 | 2001-08-22 | Bauelement mit einer vielzahl von lumineszenzdiodenchips |
Country Status (7)
Country | Link |
---|---|
US (1) | US7435997B2 (de) |
EP (1) | EP1312117A1 (de) |
JP (1) | JP2004517465A (de) |
CN (1) | CN1447984A (de) |
DE (1) | DE10041686A1 (de) |
TW (1) | TW516228B (de) |
WO (1) | WO2002017401A1 (de) |
Cited By (10)
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DE10261365B4 (de) * | 2002-12-30 | 2006-09-28 | Osram Opto Semiconductors Gmbh | Optoelektronisches Bauelement mit einer Mehrzahl von strahlungsemittierenden Halbleiterchips |
US7384176B2 (en) | 2002-11-06 | 2008-06-10 | Koito Manufacturing Co., Ltd. | Vehicular headlamp employing semiconductor light source |
EP2031657A1 (de) * | 2007-08-31 | 2009-03-04 | ILED Photoelectronics, Inc. | Verpackungsstruktur für eine Lichtquelle von hoher Helligkeit |
JP2010531539A (ja) * | 2007-06-25 | 2010-09-24 | ネオバルブ テクノロジーズ,インコーポレイテッド | 発光ダイオード照明設備 |
US7871842B2 (en) | 2008-10-03 | 2011-01-18 | E. I. Du Pont De Nemours And Company | Production process for surface-mounting ceramic LED package, surface-mounting ceramic LED package produced by said production process, and mold for producing said package |
EP2390915A1 (de) * | 2010-05-24 | 2011-11-30 | LG Innotek Co., Ltd | Lichtemittierende Vorrichtung und diese enthaltende Leuchteinheit |
EP2750212A1 (de) * | 2012-12-29 | 2014-07-02 | Nichia Corporation | Gehäuse für lichtemittierende Vorrichtung, lichtemittierende Vorrichtung mit diesem Gehäuse und Beleuchtungsvorrichtung mit den lichtemittierenden Vorrichtungen |
US9281460B2 (en) | 2012-10-31 | 2016-03-08 | Nichia Corporation | Light emitting device package and light emitting device having lead-frames |
US9406856B2 (en) | 2013-06-28 | 2016-08-02 | Nichia Corporation | Package for light emitting apparatus and light emitting apparatus including the same |
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US6995402B2 (en) * | 2003-10-03 | 2006-02-07 | Lumileds Lighting, U.S., Llc | Integrated reflector cup for a light emitting device mount |
JP2006054224A (ja) * | 2004-08-10 | 2006-02-23 | Sanyo Electric Co Ltd | 発光装置 |
JP4922555B2 (ja) * | 2004-09-24 | 2012-04-25 | スタンレー電気株式会社 | Led装置 |
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US20060125716A1 (en) * | 2004-12-10 | 2006-06-15 | Wong Lye Y | Light-emitting diode display with compartment |
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US9780268B2 (en) | 2006-04-04 | 2017-10-03 | Cree, Inc. | Submount based surface mount device (SMD) light emitter components and methods |
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JP2008060129A (ja) * | 2006-08-29 | 2008-03-13 | Nec Lighting Ltd | フルカラー発光ダイオード |
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JP2009141254A (ja) * | 2007-12-10 | 2009-06-25 | Rohm Co Ltd | 半導体発光装置 |
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JP2012104739A (ja) * | 2010-11-12 | 2012-05-31 | Toshiba Corp | 発光素子 |
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US10134961B2 (en) * | 2012-03-30 | 2018-11-20 | Cree, Inc. | Submount based surface mount device (SMD) light emitter components and methods |
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CN108511580A (zh) * | 2016-06-24 | 2018-09-07 | 首尔半导体株式会社 | 发光二极管封装件 |
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-
2000
- 2000-08-24 DE DE10041686A patent/DE10041686A1/de not_active Withdrawn
-
2001
- 2001-08-22 US US10/362,554 patent/US7435997B2/en not_active Expired - Fee Related
- 2001-08-22 CN CN01814562.0A patent/CN1447984A/zh active Pending
- 2001-08-22 JP JP2002521368A patent/JP2004517465A/ja active Pending
- 2001-08-22 WO PCT/DE2001/003198 patent/WO2002017401A1/de active Search and Examination
- 2001-08-22 EP EP01971631A patent/EP1312117A1/de not_active Withdrawn
- 2001-08-23 TW TW090120714A patent/TW516228B/zh not_active IP Right Cessation
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Also Published As
Publication number | Publication date |
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DE10041686A1 (de) | 2002-03-14 |
TW516228B (en) | 2003-01-01 |
CN1447984A (zh) | 2003-10-08 |
US20040056265A1 (en) | 2004-03-25 |
JP2004517465A (ja) | 2004-06-10 |
US7435997B2 (en) | 2008-10-14 |
EP1312117A1 (de) | 2003-05-21 |
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