WO2012126735A1 - Licht emittierendes halbleiterbauteil - Google Patents
Licht emittierendes halbleiterbauteil Download PDFInfo
- Publication number
- WO2012126735A1 WO2012126735A1 PCT/EP2012/053914 EP2012053914W WO2012126735A1 WO 2012126735 A1 WO2012126735 A1 WO 2012126735A1 EP 2012053914 W EP2012053914 W EP 2012053914W WO 2012126735 A1 WO2012126735 A1 WO 2012126735A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- semiconductor body
- semiconductor
- light
- emitting
- growth
- 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
Links
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
-
- 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
- H10H20/81—Bodies
- H10H20/813—Bodies having a plurality of light-emitting regions, e.g. multi-junction LEDs or light-emitting devices having photoluminescent regions within the bodies
-
- 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]
- H10H20/01—Manufacture or treatment
- H10H20/011—Manufacture or treatment of bodies, e.g. forming semiconductor layers
- H10H20/013—Manufacture or treatment of bodies, e.g. forming semiconductor layers having light-emitting regions comprising only Group III-V materials
- H10H20/0137—Manufacture or treatment of bodies, e.g. forming semiconductor layers having light-emitting regions comprising only Group III-V materials the light-emitting regions comprising nitride materials
-
- 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]
- H10H20/01—Manufacture or treatment
- H10H20/011—Manufacture or treatment of bodies, e.g. forming semiconductor layers
- H10H20/018—Bonding of wafers
-
- 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
- H10H20/81—Bodies
- H10H20/811—Bodies having quantum effect structures or superlattices, e.g. tunnel junctions
- H10H20/812—Bodies having quantum effect structures or superlattices, e.g. tunnel junctions within the light-emitting regions, e.g. having quantum confinement structures
-
- 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
- H10H20/81—Bodies
- H10H20/819—Bodies characterised by their shape, e.g. curved or truncated substrates
- H10H20/82—Roughened surfaces, e.g. at the interface between epitaxial layers
-
- 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
- H10H20/81—Bodies
- H10H20/822—Materials of the light-emitting regions
-
- 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
- H10H20/81—Bodies
- H10H20/822—Materials of the light-emitting regions
- H10H20/824—Materials of the light-emitting regions comprising only Group III-V materials, e.g. GaP
- H10H20/825—Materials of the light-emitting regions comprising only Group III-V materials, e.g. GaP containing nitrogen, e.g. GaN
-
- 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
- H10H20/851—Wavelength conversion 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
- H10H20/851—Wavelength conversion means
- H10H20/8511—Wavelength conversion means characterised by their material, e.g. binder
- H10H20/8512—Wavelength conversion materials
-
- 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
- H10H20/851—Wavelength conversion means
- H10H20/8511—Wavelength conversion means characterised by their material, e.g. binder
- H10H20/8512—Wavelength conversion materials
- H10H20/8513—Wavelength conversion materials having two or more wavelength conversion materials
Definitions
- the light-emitting device comprises
- the first semiconductor body is deposited epitaxially on a growth carrier.
- the first semiconductor body is based, for example, on a nitride compound semiconductor material.
- the first semiconductor body comprises at least one active zone in which the light-emitting device is in operation
- the electromagnetic radiation generated in the at least one active zone leaves the first
- the radiation exit surface is
- the first semiconductor body for example, around at least a part of a main surface of the first semiconductor body.
- Semiconductor component is mounted, is arranged facing away.
- the first one is
- the light-emitting device comprises
- Radiation exit surface leaves, at least partially in electromagnetic radiation of larger wavelength
- the second semiconductor body is suitable for so-called “down-conversion".
- the second semiconductor body acts due to its natural
- the second semiconductor body has at least one pn junction
- the second semiconductor body can also be produced, for example, by means of epitaxial growth of the second semiconductor body onto a growth carrier.
- the first semiconductor body and the second semiconductor body are produced separately from one another. That is, the second semiconductor body is not in particular epitaxially grown on the radiation exit surface of the first semiconductor body. Instead, the first semiconductor body and the second semiconductor body can be produced separately from one another, for example epitaxially, and then connected to one another.
- a feature according to which the first semiconductor body and the second semiconductor body are manufactured separately from one another is an objective feature that can be detected on the finished light-emitting semiconductor component. That is, the semiconductor light-emitting device is uniquely susceptible to a semiconductor light-emitting device
- the second semiconductor body is electrically inactive. That is, the generation of the converted
- Electromagnetic radiation in the second semiconductor body is not due to an electrical pumping of the second semiconductor body, but the second semiconductor body is optically pumped by the electromagnetic radiation generated by the first semiconductor body during operation.
- the light-emitting semiconductor device is therefore, for example, free of electrical connections, by means of which the second
- Semiconductor body is contacted.
- the second semiconductor body and the first semiconductor body are in direct contact
- the second semiconductor body is, for example, in direct contact with the second semiconductor body
- “Luting agent-free” means that no bonding agent such as an adhesive or a so-called “index matching gel” is disposed between the first semiconductor body and the second semiconductor body.
- the adhesion between the first semiconductor body and the second semiconductor body is in particular by hydrogen bonding and / or van der Waals interaction in the region of the interface between the first semiconductor body and the second semiconductor body
- connection between the first semiconductor body and the second semiconductor body is mechanically stable. If necessary, it is possible that the connection can not be solved nondestructively. That is, upon release of the connection, at least one of the two semiconductor bodies would be damaged or destroyed. This is the case, for example, when the compound is a strong chemical bond
- the light-emitting device comprises
- Electromagnetic radiation at least partially passes through a radiation exit surface.
- emitting semiconductor device further comprises a second Semiconductor body, which is suitable for the conversion of electromagnetic radiation into converted electromagnetic radiation of a larger wavelength.
- the first semiconductor body and the second semiconductor body are manufactured separately, the second semiconductor body is electrically inactive and the second semiconductor body is in direct contact with the semiconductor body
- Radiation exit surface of the pump source is formed. This allows the light coupling in the converter and the
- the semiconductor light-emitting device is suitable for highly efficient conversion and thus for the production of polychromatic or monochromatic light.
- the high efficiency results in particular from a minimization of Stokes losses
- the second semiconductor body is used as the converter. Since a semiconductor body has a high
- the semiconductor body can very be thin.
- the light-emitting semiconductor component described here is therefore characterized by a particularly small height and is therefore particularly well suited for the direct backlighting of image-giving elements such as LCD panels.
- connection between the first semiconductor body and the second semiconductor body may be covalent or ionic.
- the removal of the heat loss from the second semiconductor body by the first semiconductor body is by minimizing the thermal resistances between the first
- Semiconductor body maximizes the heat transfer from the second semiconductor body to the first semiconductor body. Since the first semiconductor body can be connected, for example, to a heat sink, the heat loss that is generated during the conversion can be optimally dissipated from the second semiconductor body.
- the direct connection between the first semiconductor body and the second semiconductor body can even take place at room temperature, so that it is ensured that the strains do not lead to damage to the layer when the first and second semiconductor bodies are not thermally matched to one another.
- the second semiconductor body as a converter further preferably has a significantly lower half-width than conventional, for example, ceramic converter, which may cause inter alia, lower Stokes losses.
- a higher conversion efficiency for the production of warm white light is possible because in particular the required conversion of blue light to red light can be very narrowband.
- the light-emitting semiconductor device described here can be further improved due to the improved heat dissipation
- the light-emitting semiconductor component described here can produce colored light during operation, such as, for example, green, yellow or red light. Furthermore, it is possible for the light-emitting semiconductor component to generate white light during operation.
- the first semiconductor body and the second semiconductor body can already be connected to one another at the wafer level, so that the simultaneous production of a multiplicity of light-emitting semiconductor components is possible. Furthermore, a coupling of light or
- Semiconductor body can be maximized by, for example roughening the outer surface of the second semiconductor body facing away from the first semiconductor body.
- the radiation exit surface and the outer surface of the second semiconductor body facing the radiation exit surface each have a mean roughness of at most 2 nm, in particular less than or equal to 1 nm, preferably less than or equal to 0.5 nm.
- the mean roughness Rq is the root mean square of all profile values of the
- RMS Roughness.
- average roughness value RMS is also used for the average roughness value.
- the first semiconductor body is based on a nitride compound semiconductor material.
- “Based on nitride compound semiconductor material” means in
- Nitride compound semiconductor material preferably
- the first semiconductor body is for example
- An electrical contacting of the first semiconductor body can, for example, of the second
- At least one contact for connecting the first semiconductor body is arranged between the first semiconductor body and the second semiconductor body, or the second semiconductor body has at least one recess in which the at least one contact is on the outer surface of the first semiconductor body facing the second semiconductor body
- Semiconductor body is arranged.
- the second semiconductor body is based on an I I-VI compound semiconductor material.
- Compound semiconductor material comprises at least one element of the second main group or the second subgroup such as Be, Mg, Ca, Sr, Zn, Cd, or Hg and
- a II / VI compound semiconductor material comprises a binary, ternary or quaternary
- Main group and at least one element from the sixth Main group includes.
- quaternary compound may also include, for example, one or more dopants as well as additional ingredients
- the II / VI compound semiconductor materials include: ZnO, ZnMgO, CdS, ZnCdS, MgBeO.
- the material for the second semiconductor body may be, for example, the material system (ZnCdMg) (SSe). This material system is characterized by a very high radiant efficiency. Furthermore, a second
- the second semiconductor body is based on an I I I-V compound semiconductor material.
- the second semiconductor body is based on the material system (AlGaln) (NAsP).
- a second semiconductor body of this material system is characterized by a high radiant efficiency and can be epitaxially deposited with atomically smooth surfaces over a large area on a growth carrier, for example of GaAs or InP.
- the second semiconductor body has a thickness of at most 6 ⁇ , in particular at most 3 ⁇ , preferably at most 1.5 ⁇ . Such a small thickness is especially possible because of the high absorption constants of semiconductor conversion layers. In this way, the overall height of the finished light-emitting
- the first semiconductor body is formed
- the growth carrier can consist of silicon.
- the growth carrier is a layer of
- Silicon comprises, wherein an outer surface of this layer forms the growth surface.
- polish quality exploited by silicon surfaces After the wet-chemical detachment of the growth carrier, ie in particular the silicon surface, from the first semiconductor body, the outer surface of the first semiconductor body originally facing the growth carrier can be used directly for connection to the second semiconductor body, since this outer surface of the semiconductor body first semiconductor body as a replica of the very smooth
- Silicon surface is to be considered. That is, the atomically smooth silicon surface is transferred by means of the method on the outer surface of the first semiconductor body, which then for joining the first and the second
- Semiconductor body at its the wax surface originally facing outer surface which comprises the radiation exit surface, connected to the second semiconductor body.
- the growth surface of the growth support preferably itself has a mean roughness of at most 2 nm, in particular at most 1 nm, preferably at most 0.5 nm, which is transferred to the outer surface of the first semiconductor body.
- the second semiconductor body is deposited epitaxially on a growth carrier by means of molecular beam epitaxy (MBE) and is connected to the first semiconductor body with its outer surface facing away from the growth carrier.
- MBE molecular beam epitaxy
- the growth carrier for the second semiconductor body may be
- the growth support is formed with one of these materials.
- Molecular beam epitaxy can produce smooth outer surfaces. Furthermore, it is possible that the outer surface is smoothed prior to joining the two semiconductor body, for example, by polishing or chemical polishing.
- the growth carrier for the second semiconductor body has an average roughness of at most 2 nm, in particular at most 1 nm, preferably at most 0.5 nm, at its outer surface facing the second semiconductor body.
- Growing surface of GaAs, Ge or InP can be used.
- Semiconductor body preferably in an inert atmosphere or in a vacuum, in particular in the ultra-high vacuum.
- FIGS. 1A to 1G show different method steps of one here
- the figure IG shows a
- FIG. 2 shows a schematic diagram for explaining the invention.
- a first method step is one here
- the first semiconductor body 1 is based on a nitride compound semiconductor material, in particular on an indium-containing nitride compound semiconductor material.
- the growth support 10 comprises a growth surface 10a formed with silicon. That is, the first one
- Semiconductor body 1 is epitaxially deposited on a silicon surface.
- the growth surface 10a is characterized by its smooth surface and has a
- the active zone 11 is suitable for generating electromagnetic radiation in the spectral range between UV radiation and blue light.
- the semiconductor body 1 with its side facing away from the growth carrier 10 is applied to a carrier 12 and fastened there, for example, with the connection means 13, for example a solder.
- the carrier 12 may be
- the carrier 12 for example, be a metallic, ceramic or semiconductive carrier.
- the carrier 12 is formed with copper, a ceramic material such as alumina, or a semiconductive material such as germanium.
- the carrier 12 can also be a connection carrier such as a printed circuit board.
- Peeling is preferably carried out wet-chemically by means of etching.
- the topography of the very smooth growth surface 10a is due to this method facing away from the carrier 12
- a second semiconductor body 2 is provided in addition to the semiconductor body 1 prepared in this way.
- the second semiconductor body 2 is
- the growth support 20 is, for example, a substrate having a growth surface 20a formed with GaAs, Ge or InP.
- the second semiconductor body 2 is grown, for example, by MBE.
- Outer surface of the second semiconductor body 2 is therefore formed very smooth and has a center roughness of at most 0, 5 nm.
- an intermediate layer 21 can be arranged between the growth carrier 20 and the second semiconductor body 2, which serves, for example, as an etching stop layer or sacrificial layer and is also produced epitaxially. Further, it is possible that in this process step under a protective atmosphere or in a vacuum cleaning and thus passivation of the exposed outer surfaces of the first
- first semiconductor body 1 and the second semiconductor body 2 are mechanically fixed to one another
- the second semiconductor body 2 is in direct contact with the radiation exit surface 1a of the first semiconductor body 1 and the connection between the two semiconductor bodies is free of connecting means, for
- Example mediated by ionic forces or Van der Waals interaction In a further method step, FIG. 1F, the growth carrier 20 and optionally the intermediate layer 21 are detached from the second semiconductor body 2. A roughening of the outer surface of the second semiconductor body 2 facing away from the first semiconductor body 1 to a roughened surface 2a can take place during this detachment or subsequently, see FIG. By this structuring, the later light-emitting semiconductor device has an improved
- Singulation along the dashed lines into individual light-emitting semiconductor components may take place from the side of the carrier 12 or from the side of the second semiconductor body 2.
- Semiconductor component is characterized, inter alia, by the fact that the refractive index jump between the first
- Semiconductor body 1 and second semiconductor body 2 can be selected relatively small. This leads to an increased
- Refractive index of the first semiconductor body is 2.4 and the light-emitting semiconductor device in silicone
- the left part of the column shows the efficiency for a cold white semiconductor device. As the figure 2 can be seen, the efficiency increases with increasing refractive index n2 of the second semiconductor body 2.
- n2 2.4 and one
Landscapes
- Led Devices (AREA)
- Led Device Packages (AREA)
Abstract
Description
Claims
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/006,304 US9331243B2 (en) | 2011-03-23 | 2012-03-07 | Producing a light-emitting semiconductor component by connecting first and second semiconductor bodies |
| CN201280014614.4A CN103443940B (zh) | 2011-03-23 | 2012-03-07 | 发射光的半导体器件 |
| KR1020137025341A KR101515319B1 (ko) | 2011-03-23 | 2012-03-07 | 발광 반도체 소자 |
| JP2013557083A JP5694575B2 (ja) | 2011-03-23 | 2012-03-07 | 発光半導体部品 |
| US15/144,728 US9853186B2 (en) | 2011-03-23 | 2016-05-02 | Producing a light-emitting semiconductor component by connecting first and second semiconductor bodies |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011014845.0 | 2011-03-23 | ||
| DE102011014845.0A DE102011014845B4 (de) | 2011-03-23 | 2011-03-23 | Licht emittierendes Halbleiterbauteil und Verfahren zur Herstellung eines Licht emittierenden Halbleiterbauteils |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US14/006,304 A-371-Of-International US9331243B2 (en) | 2011-03-23 | 2012-03-07 | Producing a light-emitting semiconductor component by connecting first and second semiconductor bodies |
| US15/144,728 Division US9853186B2 (en) | 2011-03-23 | 2016-05-02 | Producing a light-emitting semiconductor component by connecting first and second semiconductor bodies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012126735A1 true WO2012126735A1 (de) | 2012-09-27 |
Family
ID=45815539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2012/053914 Ceased WO2012126735A1 (de) | 2011-03-23 | 2012-03-07 | Licht emittierendes halbleiterbauteil |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US9331243B2 (de) |
| JP (1) | JP5694575B2 (de) |
| KR (1) | KR101515319B1 (de) |
| CN (2) | CN103443940B (de) |
| DE (1) | DE102011014845B4 (de) |
| WO (1) | WO2012126735A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9269870B2 (en) * | 2011-03-17 | 2016-02-23 | Epistar Corporation | Light-emitting device with intermediate layer |
| JPWO2015146069A1 (ja) * | 2014-03-28 | 2017-04-13 | パナソニックIpマネジメント株式会社 | 発光ダイオード素子 |
| DE102018111021A1 (de) | 2017-12-14 | 2019-06-19 | Osram Opto Semiconductors Gmbh | Lichtemittierendes halbleiterbauteil und verfahren zur herstellung eines licht emittierenden halbleiterbauteils |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007034367A1 (en) * | 2005-09-19 | 2007-03-29 | Koninklijke Philips Electronics N.V. | Variable color light emitting device and method for controlling the same |
| WO2009075972A2 (en) * | 2007-12-10 | 2009-06-18 | 3M Innovative Properties Company | Down-converted light emitting diode with simplified light extraction |
| WO2009085594A2 (en) * | 2007-12-28 | 2009-07-09 | 3M Innovative Properties Company | Down-converted light source with uniform wavelength emission |
| WO2010123814A1 (en) * | 2009-04-20 | 2010-10-28 | 3M Innovative Properties Company | Non-radiatively pumped wavelength converter |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04186679A (ja) | 1990-11-16 | 1992-07-03 | Daido Steel Co Ltd | 発光ダイオード |
| JP3187109B2 (ja) * | 1992-01-31 | 2001-07-11 | キヤノン株式会社 | 半導体部材およびその製造方法 |
| JP3332127B2 (ja) | 1995-03-20 | 2002-10-07 | 株式会社東芝 | 半導体素子 |
| JP2000277441A (ja) | 1999-03-26 | 2000-10-06 | Nagoya Kogyo Univ | 半導体構造とそれを備えた半導体素子及び結晶成長方法 |
| US7402831B2 (en) * | 2004-12-09 | 2008-07-22 | 3M Innovative Properties Company | Adapting short-wavelength LED's for polychromatic, broadband, or “white” emission |
| US7341878B2 (en) * | 2005-03-14 | 2008-03-11 | Philips Lumileds Lighting Company, Llc | Wavelength-converted semiconductor light emitting device |
| JP2006303089A (ja) * | 2005-04-19 | 2006-11-02 | Sumco Corp | シリコン基板の洗浄方法 |
| US20070045638A1 (en) | 2005-08-24 | 2007-03-01 | Lumileds Lighting U.S., Llc | III-nitride light emitting device with double heterostructure light emitting region |
| US7514721B2 (en) * | 2005-11-29 | 2009-04-07 | Koninklijke Philips Electronics N.V. | Luminescent ceramic element for a light emitting device |
| KR101452550B1 (ko) * | 2007-07-19 | 2014-10-21 | 미쓰비시 가가꾸 가부시키가이샤 | Ⅲ 족 질화물 반도체 기판 및 그 세정 방법 |
| US9634191B2 (en) * | 2007-11-14 | 2017-04-25 | Cree, Inc. | Wire bond free wafer level LED |
| DE102008031996A1 (de) * | 2008-07-07 | 2010-02-18 | Osram Gesellschaft mit beschränkter Haftung | Strahlungsemittierende Vorrichtung |
| JP2012514335A (ja) * | 2008-12-24 | 2012-06-21 | スリーエム イノベイティブ プロパティズ カンパニー | 両方の側の波長変換器及びそれを使用する光生成デバイスの作製方法 |
| CN102823000B (zh) * | 2010-04-08 | 2016-08-03 | 日亚化学工业株式会社 | 发光装置及其制造方法 |
| JP2013539229A (ja) * | 2010-09-29 | 2013-10-17 | コーニンクレッカ フィリップス エヌ ヴェ | 波長変換型発光デバイス |
| KR20130139938A (ko) * | 2010-10-05 | 2013-12-23 | 인터매틱스 코포레이션 | 포토루미네센스 파장 변환을 구비한 고체상태 발광 디바이스 및 표지판 |
-
2011
- 2011-03-23 DE DE102011014845.0A patent/DE102011014845B4/de active Active
-
2012
- 2012-03-07 KR KR1020137025341A patent/KR101515319B1/ko active Active
- 2012-03-07 CN CN201280014614.4A patent/CN103443940B/zh active Active
- 2012-03-07 WO PCT/EP2012/053914 patent/WO2012126735A1/de not_active Ceased
- 2012-03-07 CN CN201710080866.1A patent/CN107039564B/zh active Active
- 2012-03-07 JP JP2013557083A patent/JP5694575B2/ja active Active
- 2012-03-07 US US14/006,304 patent/US9331243B2/en active Active
-
2016
- 2016-05-02 US US15/144,728 patent/US9853186B2/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007034367A1 (en) * | 2005-09-19 | 2007-03-29 | Koninklijke Philips Electronics N.V. | Variable color light emitting device and method for controlling the same |
| WO2009075972A2 (en) * | 2007-12-10 | 2009-06-18 | 3M Innovative Properties Company | Down-converted light emitting diode with simplified light extraction |
| WO2009085594A2 (en) * | 2007-12-28 | 2009-07-09 | 3M Innovative Properties Company | Down-converted light source with uniform wavelength emission |
| WO2010123814A1 (en) * | 2009-04-20 | 2010-10-28 | 3M Innovative Properties Company | Non-radiatively pumped wavelength converter |
Non-Patent Citations (1)
| Title |
|---|
| MURAI A ET AL: "WAFER BONDING OF GAN AND ZNSSE FOR OPTOELECTRONIC APPLICATIONS", JAPANESE JOURNAL OF APPLIED PHYSICS, JAPAN SOCIETY OF APPLIED PHYSICS, JP, vol. 43, no. 10A, 1 October 2004 (2004-10-01), pages L1275 - L1277, XP001228399, ISSN: 0021-4922, DOI: 10.1143/JJAP.43.L1275 * |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101515319B1 (ko) | 2015-04-24 |
| CN103443940A (zh) | 2013-12-11 |
| US20160247966A1 (en) | 2016-08-25 |
| US9853186B2 (en) | 2017-12-26 |
| CN107039564A (zh) | 2017-08-11 |
| DE102011014845B4 (de) | 2023-05-17 |
| JP2014507811A (ja) | 2014-03-27 |
| KR20130128464A (ko) | 2013-11-26 |
| CN107039564B (zh) | 2019-05-10 |
| US20140070246A1 (en) | 2014-03-13 |
| CN103443940B (zh) | 2017-03-08 |
| JP5694575B2 (ja) | 2015-04-01 |
| DE102011014845A1 (de) | 2012-09-27 |
| US9331243B2 (en) | 2016-05-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE102010026518B4 (de) | Leuchtdiodenchip und Verfahren zur Herstellung einer Mehrzahl von Leuchtdiodenchips | |
| EP2612372B1 (de) | Leuchtdiodenchip | |
| EP2011142B1 (de) | Verfahren zur herstellung eines verbundsubstrats | |
| DE102010044986A1 (de) | Leuchtdiodenchip und Verfahren zur Herstellung eines Leuchtdiodenchips | |
| EP1774599B1 (de) | Verfahren zur herstellung von halbleiterchips in dünnfilmtechnik und halbleiterchip in dünnfilmtechnik | |
| EP1920469A1 (de) | Verfahren zum lateralen zertrennen eines halbleiterwafers und optoelektronisches bauelement | |
| EP2599131A1 (de) | Strahlungsemittierender halbleiterchip und verfahren zur herstellung eines strahlungsemittierenden halbleiterchips | |
| DE102016108682A1 (de) | Verfahren zur Herstellung eines optoelektronischen Bauelements und optoelektronisches Bauelement | |
| DE102011114670A1 (de) | Verfahren zur Herstellung eines optoelektronischen Halbleiterchips und optoelektronischer Halbleiterchip | |
| WO2013131729A1 (de) | Verfahren zur herstellung eines optoelektronischen halbleiterchips | |
| DE102011014845B4 (de) | Licht emittierendes Halbleiterbauteil und Verfahren zur Herstellung eines Licht emittierenden Halbleiterbauteils | |
| EP1794816B1 (de) | Verfahren zur Herstellung eines Dünnfilmhalbleiterchips | |
| WO2007087769A2 (de) | Optoelektronisches halbleiterbauelement mit stromaufweitungsschicht | |
| EP1929551B1 (de) | Optoelektronischer halbleiterchip | |
| WO2019158416A1 (de) | Verfahren zur herstellung eines halbleiterbauelements und halbleiterbauelement | |
| WO2019145216A1 (de) | Verfahren zur herstellung eines nitrid-verbindungshalbleiter-bauelements | |
| WO2016198620A1 (de) | Verfahren zur herstellung von optoelektronischen konversions-halbleiterchips und verbund von konversions-halbleiterchips | |
| EP2656384B1 (de) | Verfahren zur herstellung eines elektrischen anschlussträgers | |
| WO2019002097A1 (de) | Halbleiterchip mit transparenter stromaufweitungsschicht | |
| DE10253161B4 (de) | Verfahren zur Herstellung von optoelektronischen Halbleiterchips mit verbesserten Oberflächeneigenschaften | |
| DE102008013900A1 (de) | Verfahren zur Herstellung einer Vielzahl von optoelektronischen Halbleiterchips und optoelektronischer Halbleiterchip | |
| DE10308646B4 (de) | Halbleitersubstrat für optoelektronische Bauelemente und Verfahren zu dessen Herstellung | |
| WO2023104457A1 (de) | Laserdiodenbauelement und verfahren zur herstellung zumindest eines laserdiodenbauelements | |
| WO2017144683A1 (de) | Verfahren zur herstellung eines optoelektronischen bauelements und optoelektronisches bauelement | |
| EP1649497A2 (de) | Verfahren zur herstellung einer vielzahl von optoelektronischen halbleiterchips und optoelektronischer halbleiterchip |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 12708304 Country of ref document: EP Kind code of ref document: A1 |
|
| ENP | Entry into the national phase |
Ref document number: 2013557083 Country of ref document: JP Kind code of ref document: A |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| ENP | Entry into the national phase |
Ref document number: 20137025341 Country of ref document: KR Kind code of ref document: A |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 14006304 Country of ref document: US |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 12708304 Country of ref document: EP Kind code of ref document: A1 |