WO2014019816A1 - Verfahren zur herstellung eines optoelektronischen bauteils - Google Patents
Verfahren zur herstellung eines optoelektronischen bauteils Download PDFInfo
- Publication number
- WO2014019816A1 WO2014019816A1 PCT/EP2013/064483 EP2013064483W WO2014019816A1 WO 2014019816 A1 WO2014019816 A1 WO 2014019816A1 EP 2013064483 W EP2013064483 W EP 2013064483W WO 2014019816 A1 WO2014019816 A1 WO 2014019816A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- semiconductor body
- transfer element
- converter
- converter material
- photoconductive
- 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
- 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
- H10H20/8514—Wavelength conversion means characterised by their shape, e.g. plate or foil
-
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P74/00—Testing or measuring during manufacture or treatment of wafers, substrates or devices
- H10P74/20—Testing or measuring during manufacture or treatment of wafers, substrates or devices characterised by the properties tested or measured, e.g. structural or electrical properties
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P74/00—Testing or measuring during manufacture or treatment of wafers, substrates or devices
- H10P74/20—Testing or measuring during manufacture or treatment of wafers, substrates or devices characterised by the properties tested or measured, e.g. structural or electrical properties
- H10P74/203—Structural properties, e.g. testing or measuring thicknesses, line widths, warpage, bond strengths or physical defects
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P74/00—Testing or measuring during manufacture or treatment of wafers, substrates or devices
- H10P74/23—Testing or measuring during manufacture or treatment of wafers, substrates or devices characterised by multiple measurements, corrections, marking or sorting processes
- H10P74/238—Testing or measuring during manufacture or treatment of wafers, substrates or devices characterised by multiple measurements, corrections, marking or sorting processes comprising acting in response to an ongoing measurement without interruption of processing, e.g. endpoint detection or in-situ thickness measurement
-
- 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
- H10H20/036—Manufacture or treatment of packages
- H10H20/0361—Manufacture or treatment of packages of wavelength conversion means
Definitions
- the invention relates to a method for producing an optoelectronic device, in particular a device
- optoelectronic component wherein at least a part of a radiation emitted by a chip is wavelength-converted.
- the conversion of the light generated by an optoelectronic component for example an LED chip, is used, for example, to supply white light via additive color mixing by means of blue-emitting LED chips
- the light emitted by the chip can thereby be produced.
- Converters are, for example, dyes embedded in a polymer matrix, or
- Conversation level is determined by parameters such as
- Converter plate which determines particle size and temperature. To produce a chip converter system, the converter wafer is frequently placed on the chip by means of layer transfer.
- the color location of the chip converter system should correspond as precisely as possible to a given color location, with both a uniform color location of all systems that work together
- the individual chip converter systems of a wafer for example, after the separation in
- the systems are very broad, for example because of varying emission characteristics of the chips, variations in the adhesive layer thickness between the chip surface and the converter chip and in the
- a method for producing an optoelectronic device comprises
- Carrier is arranged. On the semiconductor body is in each case a converter material by means of a photoconductive
- the semiconductor body is provided in particular on a so-called artificial wafer.
- the carrier is of the
- the semiconductor body is electrically coupled to the carrier with a contact wiring.
- the carrier is according to
- the application of the converter material comprises an electrostatic charging of the
- the photoconductive transfer element The photoconductive
- Transfer element is discharged in regions depending on a predetermined pattern.
- the converter material is applied to the photoconductive transfer member by electrostatic attraction.
- the converter material is transferred from the photoconductive transfer element to the semiconductor bodies by means of electromagnetic fields.
- the electrostatic charging and the subsequent partial discharge of the photoconductive transfer element it is possible to precisely adjust the amount of the converter material which is applied to the semiconductor body.
- the converter material is attracted to the transfer element by electrostatic attraction to the undischarged regions of the transfer element.
- the unloaded areas subsequently correspond with the location of the
- the converter material is protected by the electrostatic
- Attraction are respectively arranged on the areas of the transfer element, which subsequently with the respective position of
- Semiconductor bodies correspond when a plurality of semiconductor bodies is provided. By means of discharging the photoconductive transfer element in regions, the amount of the converter material is set, which in each case on the
- the predetermined pattern corresponds, for example, to a quantity of applied quantity for each individual semiconductor body
- Converter material it is possible, for example, a first semiconductor body in a common process independent of a second semiconductor body to coat precisely with a given amount of converter material.
- the area-wise discharging of the photoconductive transfer element takes place by means of
- Radiating light For example, the light is irradiated by means of an LED.
- the converter material is fixed according to embodiments after application.
- the fixation is thermal.
- the converter material on an adhesive which is thermally activated.
- the fixing is done by a
- Fixier Anlagen which is applied to the converter material.
- the fixing layer is applied liquid and subsequently cured.
- the converter material is applied in the form of a powder according to embodiments.
- the powder has, for example, SiO 2 and / or Al 2 O 3 and / or an oxide and / or a nitride.
- the powder comprises a CE-doped garnet material.
- the individual particles of the converter material have a size of 3 to 15 ⁇ m.
- a converter material for example, one of the following materials is suitable: rare-earth-doped garnets, rare-earth-doped alkaline-earth sulfides, rare-earth-doped thiogallates, rare earth-doped ones
- the method comprises applying a converter layer which is a second
- Converter material comprises, at least on the side facing away from the carrier of the semiconductor body. A value of at least one characteristic variable of the semiconductor body is determined. The respective ones
- determined values are compared with predetermined setpoints for the characteristic size. A respective deviation between the determined values and the given ones
- the amount of converter material to be additionally applied is determined for each individual semiconductor body. Then, the determined amount is respectively applied to the regions of the semiconductor bodies. Thus, it is possible to individually adapt each semiconductor body to the respectively preset desired value or the respective predetermined desired values.
- the converter layer which comprises a second converter material, preferably has a radiation-transmissive Matrix material, which is mixed with a phosphor.
- the matrix material may, for example, comprise SiO 2 and / or Al 2 O 3.
- the matrix material comprises an oxide and / or a nitride.
- the matrix material comprises a CE-doped garnet material. According to others
- the matrix material comprises a silicone or polysilazane.
- the matrix material can also have an epoxide or consist of an epoxide.
- the converter material is a phosphor.
- the converter material is formed as a phosphor particle.
- the converter layer extends in particular
- a first wavelength conversion of the primary radiation of the semiconductor bodies takes place through the converter layer.
- this is different from semiconductor body to semiconductor body, for example, depending on the respective primary radiation of the semiconductor body and / or the respective thickness in the converter layer in the region of the first and the second semiconductor body.
- the correction is possible simply and precisely by the application by means of the transfer element, since the partial discharge of the transfer element and thus the amount of the converter material for the respective
- determining the value of the at least one characteristic variable comprises determining at least one of: wavelength of the radiation emitted by the respective coated semiconductor body, spectrum of the radiation emitted by the respective coated semiconductor body,
- the method is suitable for the simultaneous production of a plurality of optoelectronic components by the use of a plurality of similar semiconductor bodies, so that the optoelectronic components of the majority of
- Optoelectronic components each have a set as accurately as possible value of the predetermined characteristic size.
- a matrix material is applied to the
- the matrix material is
- Matrix material includes, for example, silicone and / or
- the application of the converter material to the semiconductor body comprises applying the converter material to a further transfer element by means of the photoconductive transfer element.
- the further transfer element comprises, for example, a Teflon film, a metal roller, a plastic roller and / or a stamp. From the further transfer element is the
- Transfer element a wafer, such as ceramic, polysilazane or silicone. At least one physical
- Property of the converter material is changed after application to the further transfer element and before being transferred to the semiconductor body.
- Figures 1A to IE are schematic sectional views
- FIG. 1A shows a plurality of semiconductor bodies 101, 102 and 103.
- the semiconductor bodies 101, 102 and 103 each have epitaxial layers and are provided with a respective one
- a planar carrier 114 for carrying and contacting the semiconductor bodies 101 to 103 has, for each semiconductor body, a first contact 110 and a second contact 111 for electrically contacting each of a semiconductor body.
- the carrier 114 is a so-called interposer wafer onto which the semiconductor bodies 101 to 103 without the respective
- FIG. 1B shows the semiconductor bodies 101 to 103 separated from the growth substrates and connected to the carrier 114
- the semiconductor bodies 101 to 103 are coupled.
- the semiconductor bodies 101 to 103 are each provided with a first and a second contact 110, 111
- the separating lines 113 show, by way of example, at which points the carrier at the end of the
- Singulation is formed by optoelectronic components 100, which comprise one of the semiconductor bodies 101 to 103 and a part of the carrier 114.
- Semiconductor body 101 to 103 on the carrier 114 and after removing the respective growth substrate 112 is so mentioned art wafer obtained from bonding wire-free optoelectronic components.
- the semiconductor bodies are in each case optoelectronic semiconductor bodies, in particular light-emitting diodes, in short LEDs.
- the semiconductor bodies each have a semiconductor layer sequence which has grown epitaxially and is based on the nitride compound semiconductor material Al n In ] __ n _ m Ga m N, where 0 -S n ⁇ 1, 0 ⁇ m ⁇ 1 and n + m ⁇ 1. It can the
- Substances may be replaced and / or supplemented.
- Semiconductor body 101 to 103 sorted arranged on the carrier 114 are semiconductor bodies 101 to 103 sorted arranged on the carrier 114.
- the sorting is done in
- the number of three exemplary semiconductor bodies 101 to 103 on the carrier 114 is to be understood as an example only. According to embodiments, more than three
- Figure IC shows the arrangement of Figure 1B, with six
- Semiconductor body are shown on the support 114.
- a converter layer 107 On the side of the carrier 114, on which the semiconductor bodies 101 to 103 are arranged, is a converter layer 107
- the converter layer 107 is arranged such that in each case at least one side 105 of the semiconductor bodies 101 to 103 facing away from the carrier 114 is covered by the converter layer 107. In addition, each of the flanks of the
- the converter layer is in accordance with embodiments by means of
- the converter layer is applied by spray coating.
- the converter layer is applied by dip coating. According to others
- the converter layer by a
- the converter layer is applied by stencil printing. According to further embodiments, the converter layer is applied by spin coating. According to others
- the converter layer 107 is applied by a further method, with which it is possible to apply a layer comprising converter material on the carrier 114 with the semiconductor bodies 101 to 103. Since the art wafer containing the carrier 114 and the
- Semiconductor body 101 to 103 on the side on which the semiconductor bodies 101 to 103 are arranged, has a substantially planar surface, since the Semiconductor body 101 to 103 are only about 6 ym high, the artificial wafer on the side on which radiation is emitted in operation, good coatable. In addition, the lie
- the converter layer 107 comprises a converter material 104.
- the converter material 104 has in particular a CE-doped garnet material,
- the converter layer 107 is according to FIG.
- Embodiments over the surface of the carrier 114 inhomogeneous.
- the converter layer 107 is inhomogeneous with respect to layer thickness over the surface of the carrier 114,
- FIG. 1D schematically shows a detector 140 and an evaluation device 141 coupled to the detector 140.
- the detector 140 is set up to emit radiation 115 of FIG. 1D
- Evaluation device 114 is set up, from
- the semiconductor bodies on the carrier 114 are identical to the semiconductor bodies on the carrier 114.
- the evaluation device 141 determines the value of a wavelength of the radiation 115. According to further embodiments, alternatively or additionally, the region of the spectrum of the radiation 114 is determined. According to further embodiments, the value of the color locus of the radiation 114 is alternatively or additionally determined. According to further embodiments, the value of the efficiency of the coated semiconductor body 101 is alternatively or additionally determined. According to further embodiments, two or more of the values described are determined by the evaluation device 141.
- the respective position of the examined semiconductor body is detected on the carrier 114.
- a so-called wafer map is created.
- a desired value is specified.
- the desired value is predefined in particular for each semiconductor body 101, 102 and 103 of the plurality of semiconductor bodies with converter material.
- the setpoint values are predetermined differently for each semiconductor body with converter material.
- the evaluation device 141 compares the determined value of the characteristic variable or the determined values of the characteristic quantities with the predetermined ones Setpoints.
- the converter layer 107 is applied to the carrier 114 in such a way that the setpoint values are each missed in such a way that additional converter material 105 (FIG. 1C) has to be applied in order to achieve the setpoint values.
- the evaluation device 141 determines how much additional converter material 105 has to be applied in order to achieve the predetermined desired values.
- the region 109 is the region on the side facing away from the carrier 114 of the semiconductor body 101 and the region 119 the
- Converter material 105 The additional converter material 105 is in the form of a powder 116 before.
- the converter material 105 according to embodiments comprises the same material as the converter material 104. According to further embodiments, the converter materials 104 and 105 are different from each other.
- the converter material 105 is applied by means of a photoconductive transfer element 120 to the side 108 of the converter layer 107 facing away from the carrier 114.
- the converter material according to embodiments is not applied to the entire surface of the side 108, but only in the regions above the semiconductor body. According to Embodiments, the regions above the semiconductor bodies are larger than the surface of the semiconductor body
- the converter material is deposited in region 109 and region 119, and between regions 109 and 119, side 108 remains free of converter material 105.
- the transfer element 120 is a transfer roller in the embodiment shown. According to further embodiments differently designed transfer elements are used which are suitable for applying the converter material 105 to the converter layer 107, for example a transfer belt.
- the transfer element 120 is charged electrostatically.
- the areas 121 on a surface 122 of the transfer element 120, at which no converter material 105 is to adhere, are partially discharged by a radiation 131 of a light source 130.
- the discharge can also be done in a different way. The required pattern on the
- Transfer element 120 is set as a function of the measurement data previously recorded as explained in connection with FIG. 1D, for example as a function of the wafer map.
- the discharge of the transfer element 120 takes place as a function of the data which has been determined by the evaluation device 141, in which region 109, 119 how much additional converter material 105 has to be applied to the
- the converter material 105 is transferred to the transfer element 120, in particular by electrostatic attraction.
- the converter material 105 is applied to the transfer element 120 in particular by means of a further roller or a brush (not shown).
- the converter material 105 adheres to the charged portions 123 of the transfer member 120 and does not adhere to the discharged portions 121 of the transfer member 120.
- the transfer element 120 has a photoconductive
- Coating for example a-Si: H (amorphous,
- the electrostatic charge takes place for example by means of corona discharge in the
- the dark voltages are approximately 1.5 kV.
- Embodiments for example 300 to 600 V.
- the zoom image for example 300 to 600 V.
- Charge state of the transfer element determines the amount of transferred converter material 105.
- the transfer element 120 is moved relative to the carrier 114 so that the converter material 105 in the respective
- the converter material 105 is
- a control device (not shown) which controls or controls the movements of the transfer element 120 and the carrier 114 relative to each other.
- the Fixation can be done, for example, thermally, especially at temperatures of about 200 ° Celsius.
- an additional step is optionally performed, for example, thermally, especially at temperatures of about 200 ° Celsius.
- Fixing layer (not shown) applied flat on the side 108 which fixes the converter material 105.
- Converter layer 107 an ESD diode for the semiconductor body 101 to 103 or a passivation layer, for example of silicon oxide, on the support 114 is provided.
- converter layers 107 having a uniform thickness are applied. According to further embodiments, the
- Converter layer 107 on a predetermined layer thickness with different layer thicknesses.
- the finished wafer according to the method step of FIG. IE contains only optoelectronic components each consisting of a semiconductor body 101 to 103 and the converter layer 107 with converter material 105, which corresponds to the predetermined desired value for the characteristic variable or the predetermined value Setpoints for the characteristic quantities within predetermined tolerances correspond.
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Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112013003760.2T DE112013003760A5 (de) | 2012-07-30 | 2013-07-09 | Verfahren zur Herstellung eines optoelektronischen Bauteils |
| CN201380040856.5A CN104508839B (zh) | 2012-07-30 | 2013-07-09 | 用于制造光电子构件的方法 |
| US14/418,860 US9537063B2 (en) | 2012-07-30 | 2013-07-09 | Method for producing an optoelectronic component |
| JP2015524698A JP6129965B2 (ja) | 2012-07-30 | 2013-07-09 | オプトエレクトロニクス部品の製造方法 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012106949.2A DE102012106949A1 (de) | 2012-07-30 | 2012-07-30 | Verfahren zur Herstellung eines optoelektronischen Bauteils |
| DE102012106949.2 | 2012-07-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014019816A1 true WO2014019816A1 (de) | 2014-02-06 |
Family
ID=48782318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2013/064483 Ceased WO2014019816A1 (de) | 2012-07-30 | 2013-07-09 | Verfahren zur herstellung eines optoelektronischen bauteils |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9537063B2 (de) |
| JP (1) | JP6129965B2 (de) |
| CN (1) | CN104508839B (de) |
| DE (2) | DE102012106949A1 (de) |
| WO (1) | WO2014019816A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025209978A1 (de) * | 2024-04-03 | 2025-10-09 | Ams-Osram International Gmbh | Verfahren zur herstellung einer vielzahl von strahlungsemittierenden bauelementen und strahlungsemittierendes bauelement |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190153307A1 (en) * | 2016-03-31 | 2019-05-23 | Merck Patent Gmbh | A color conversion sheet and an optical device |
| KR20220034894A (ko) | 2019-07-19 | 2022-03-18 | 에바텍 아크티엔게젤샤프트 | 압전 코팅 및 증착 공정 |
| US11764095B2 (en) | 2020-07-10 | 2023-09-19 | Samsung Electronics Co., Ltd. | Wet alignment method for micro-semiconductor chip and display transfer structure |
| DE102022111178A1 (de) * | 2022-05-05 | 2023-11-09 | Ams-Osram International Gmbh | Testvorrichtung und verfahren zum prozessieren optoelektronischer bauelemente |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005045375A1 (de) * | 2005-09-22 | 2007-03-29 | Heinz Prof. Dr. Langhals | Methoxyperylenbisimide und Perylenlactamimide-neue, rot fluoreszierende Farbstoffe |
| US20100090245A1 (en) * | 2008-10-13 | 2010-04-15 | Hung-Yi Lin | Light emitting diode package and method of making the same |
| US20120068594A1 (en) * | 2010-09-21 | 2012-03-22 | James Ibbetson | Semiconductor Light Emitting Devices with Densely Packed Phosphor Layer at Light Emitting Surface |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11233832A (ja) * | 1998-02-17 | 1999-08-27 | Nichia Chem Ind Ltd | 発光ダイオードの形成方法 |
| DE102004022648A1 (de) * | 2004-05-07 | 2005-12-15 | Zumtobel Ag | Lichtemittierende Anordnung und Verfahren zum Beschichten eines lichtemittierenden Halbleiterelements |
| JP4692059B2 (ja) | 2005-04-25 | 2011-06-01 | パナソニック電工株式会社 | 発光装置の製造方法 |
| DE202005018237U1 (de) * | 2005-11-22 | 2006-03-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung zum Bedrucken eines flächensteifen Flächensubstrats |
| JP4859050B2 (ja) * | 2006-11-28 | 2012-01-18 | Dowaエレクトロニクス株式会社 | 発光装置及びその製造方法 |
| EP2161763A1 (de) * | 2008-09-04 | 2010-03-10 | Bayer MaterialScience AG | Konversionsfolie und ein Verfahren zu deren Herstellung |
| JP5680278B2 (ja) * | 2009-02-13 | 2015-03-04 | シャープ株式会社 | 発光装置 |
| TWI452733B (zh) * | 2009-12-26 | 2014-09-11 | Achrolux Inc | 用於轉換發光波長之均勻膜層結構及其形成方法 |
| US8210716B2 (en) * | 2010-08-27 | 2012-07-03 | Quarkstar Llc | Solid state bidirectional light sheet for general illumination |
| DE102010053326A1 (de) * | 2010-12-03 | 2011-08-25 | Daimler AG, 70327 | Gleitlager und Verfahren zu dessen Herstellung |
| KR20120061376A (ko) | 2010-12-03 | 2012-06-13 | 삼성엘이디 주식회사 | 반도체 발광 소자에 형광체를 도포하는 방법 |
| US8828759B2 (en) * | 2011-12-06 | 2014-09-09 | Cooledge Lighting Inc. | Formation of uniform phosphor regions for broad-area lighting systems |
-
2012
- 2012-07-30 DE DE102012106949.2A patent/DE102012106949A1/de not_active Withdrawn
-
2013
- 2013-07-09 DE DE112013003760.2T patent/DE112013003760A5/de not_active Withdrawn
- 2013-07-09 WO PCT/EP2013/064483 patent/WO2014019816A1/de not_active Ceased
- 2013-07-09 JP JP2015524698A patent/JP6129965B2/ja not_active Expired - Fee Related
- 2013-07-09 US US14/418,860 patent/US9537063B2/en not_active Expired - Fee Related
- 2013-07-09 CN CN201380040856.5A patent/CN104508839B/zh not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005045375A1 (de) * | 2005-09-22 | 2007-03-29 | Heinz Prof. Dr. Langhals | Methoxyperylenbisimide und Perylenlactamimide-neue, rot fluoreszierende Farbstoffe |
| US20100090245A1 (en) * | 2008-10-13 | 2010-04-15 | Hung-Yi Lin | Light emitting diode package and method of making the same |
| US20120068594A1 (en) * | 2010-09-21 | 2012-03-22 | James Ibbetson | Semiconductor Light Emitting Devices with Densely Packed Phosphor Layer at Light Emitting Surface |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025209978A1 (de) * | 2024-04-03 | 2025-10-09 | Ams-Osram International Gmbh | Verfahren zur herstellung einer vielzahl von strahlungsemittierenden bauelementen und strahlungsemittierendes bauelement |
Also Published As
| Publication number | Publication date |
|---|---|
| US9537063B2 (en) | 2017-01-03 |
| JP2015523738A (ja) | 2015-08-13 |
| DE112013003760A5 (de) | 2015-08-27 |
| JP6129965B2 (ja) | 2017-05-17 |
| US20150207044A1 (en) | 2015-07-23 |
| CN104508839A (zh) | 2015-04-08 |
| DE102012106949A1 (de) | 2014-01-30 |
| CN104508839B (zh) | 2018-06-29 |
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