WO2015110419A1 - Verfahren zur herstellung eines keramischen konversionselements und licht emittierendes bauelement - Google Patents
Verfahren zur herstellung eines keramischen konversionselements und licht emittierendes bauelement Download PDFInfo
- Publication number
- WO2015110419A1 WO2015110419A1 PCT/EP2015/050987 EP2015050987W WO2015110419A1 WO 2015110419 A1 WO2015110419 A1 WO 2015110419A1 EP 2015050987 W EP2015050987 W EP 2015050987W WO 2015110419 A1 WO2015110419 A1 WO 2015110419A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- intermediate layer
- light
- luminescent layer
- wavelength range
- Prior art date
Links
- 239000000919 ceramic Substances 0.000 title claims abstract description 81
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 69
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 239000010410 layer Substances 0.000 claims abstract description 300
- 239000002346 layers by function Substances 0.000 claims abstract description 85
- 238000000034 method Methods 0.000 claims abstract description 78
- 238000005245 sintering Methods 0.000 claims abstract description 26
- 150000004767 nitrides Chemical class 0.000 claims abstract description 9
- 239000002131 composite material Substances 0.000 claims description 19
- 230000005855 radiation Effects 0.000 claims description 18
- 239000012190 activator Substances 0.000 claims description 7
- 238000009792 diffusion process Methods 0.000 claims description 7
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 6
- 238000000231 atomic layer deposition Methods 0.000 claims description 5
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 4
- 239000002223 garnet Substances 0.000 claims description 3
- 239000011229 interlayer Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- JNDMLEXHDPKVFC-UHFFFAOYSA-N aluminum;oxygen(2-);yttrium(3+) Chemical compound [O-2].[O-2].[O-2].[Al+3].[Y+3] JNDMLEXHDPKVFC-UHFFFAOYSA-N 0.000 claims description 2
- 238000005137 deposition process Methods 0.000 claims description 2
- 238000001704 evaporation Methods 0.000 claims description 2
- 230000008020 evaporation Effects 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 claims description 2
- 229910019901 yttrium aluminum garnet Inorganic materials 0.000 claims description 2
- 238000000277 atomic layer chemical vapour deposition Methods 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- 239000000463 material Substances 0.000 description 14
- 239000002245 particle Substances 0.000 description 6
- 239000011148 porous material Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- 238000004549 pulsed laser deposition Methods 0.000 description 3
- -1 rare earth ion Chemical class 0.000 description 3
- 229910019655 synthetic inorganic crystalline material Inorganic materials 0.000 description 3
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 241000588731 Hafnia Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- MIDOFQRPAXDZET-UHFFFAOYSA-N [Si].[Sr] Chemical compound [Si].[Sr] MIDOFQRPAXDZET-UHFFFAOYSA-N 0.000 description 1
- NFRFIMNIYLSHNB-UHFFFAOYSA-N [Sr].[Ba].[Si] Chemical compound [Sr].[Ba].[Si] NFRFIMNIYLSHNB-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- OOJQNBIDYDPHHE-UHFFFAOYSA-N barium silicon Chemical compound [Si].[Ba] OOJQNBIDYDPHHE-UHFFFAOYSA-N 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(IV) oxide Inorganic materials O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000009718 spray deposition Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 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
- H01L33/50—Wavelength conversion elements
- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
- H01L33/502—Wavelength conversion materials
- H01L33/504—Elements with two or more wavelength conversion materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B18/00—Layered products essentially comprising ceramics, e.g. refractory products
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B37/00—Joining burned ceramic articles with other burned ceramic articles or other articles by heating
- C04B37/003—Joining burned ceramic articles with other burned ceramic articles or other articles by heating by means of an interlayer consisting of a combination of materials selected from glass, or ceramic material with metals, metal oxides or metal salts
- C04B37/005—Joining burned ceramic articles with other burned ceramic articles or other articles by heating by means of an interlayer consisting of a combination of materials selected from glass, or ceramic material with metals, metal oxides or metal salts consisting of glass or ceramic material
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/0883—Arsenides; Nitrides; Phosphides
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7766—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
- C09K11/7774—Aluminates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/02—Aspects relating to interlayers, e.g. used to join ceramic articles with other articles by heating
- C04B2237/04—Ceramic interlayers
- C04B2237/06—Oxidic interlayers
- C04B2237/064—Oxidic interlayers based on alumina or aluminates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/02—Aspects relating to interlayers, e.g. used to join ceramic articles with other articles by heating
- C04B2237/04—Ceramic interlayers
- C04B2237/08—Non-oxidic interlayers
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
- C04B2237/32—Ceramic
- C04B2237/34—Oxidic
- C04B2237/343—Alumina or aluminates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
- C04B2237/32—Ceramic
- C04B2237/36—Non-oxidic
- C04B2237/368—Silicon nitride
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/50—Processing aspects relating to ceramic laminates or to the joining of ceramic articles with other articles by heating
- C04B2237/70—Forming laminates or joined articles comprising layers of a specific, unusual thickness
- C04B2237/704—Forming laminates or joined articles comprising layers of a specific, unusual thickness of one or more of the ceramic layers or articles
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/50—Processing aspects relating to ceramic laminates or to the joining of ceramic articles with other articles by heating
- C04B2237/72—Forming laminates or joined articles comprising at least two interlayers directly next to each other
-
- 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
- H01L33/50—Wavelength conversion elements
- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
Definitions
- Specified conversion element In addition, a light-emitting device is specified.
- An object to be solved is to provide a method for producing a ceramic conversion element in which there are no or less harmful processes during the sintering process. Another object to be achieved is to provide a light emitting device for which the color locus of the emitted light can be set particularly easily and effectively.
- At least four functional layers are provided.
- Each of the functional layers can be provided in each case as a green body or ali finished ceramic.
- a functional layer is formed as a first luminescent layer.
- the first luminescent layer has an oxide and is to
- the Functional layer is as a second luminescent layer educated.
- the second luminescent layer comprises a nitride and is also adapted to light the first
- Wavelength range at least partially convert into light of a third wavelength range.
- Another functional layer is as a first intermediate layer
- Intermediate layer comprises a nitride or an oxynitride.
- a green body in the present case is understood as meaning a single green sheet.
- the first wavelength range, the second wavelength range and the third wavelength range are each formed differently from each other. This does not necessarily mean that the first wavelength range, the second wavelength range and the third
- Wavelength range are distinct from each other. Rather, the wavelength ranges may differ, but overlap in subregions.
- the light of the first wavelength range may be, for example, blue light or UV light.
- the light of the first wavelength range has an intensity maximum at least 480 nm or ⁇ 460 nm or ⁇ 400 nm.
- the light of the first wavelength range may have an intensity maximum at 450 nm or> 420 nm or> 350 nm.
- the light of the second wavelength range may be, for example, greenish or yellowish or green-yellow light.
- the light of the second wavelength range may have an intensity maximum ⁇ 580 nm or ⁇ 540 nm.
- Wavelength range for example, an intensity maximum at> 480 nm or> 500 nm.
- the light of the third wavelength range is then preferably orange to red light, for example with an intensity maximum at -S 650 nm or ⁇ 680 nm or ⁇ 700 nm.
- Wavelength range for example, at least ⁇ 580 nm or ⁇ 595 nm or> 615 nm.
- the first luminescent layer can therefore be used
- Luminescent layer such as an yttrium aluminum garnet, short YAG, and / or a Luthetiumaluminiumgranat, short LuAG, and / or a Luthetiumyttriumaluminiumgranat, short LuYAG, and / or have provided with other rare earth garnet or consist of such.
- the first luminescent layer may be doped in particular with an activator, for example with a rare earth element, such as cerium.
- the second luminescent layer is intended to convert blue light or UV light or green-yellow light into red to orange light.
- the first luminescent layer comprises or consists of an alkaline earth silicon nitride and / or an alkaline earth aluminum silicon nitride such.
- the alkaline earth metal is, for example, barium or calcium or strontium.
- the second luminescent layer may be doped with a rare earth ion, such as Eu2 +, as an activator.
- the first intermediate layer preferably has a similar one
- the first intermediate layer comprises or consists of at least one of the following: undoped YAG, undoped LuAG,
- Alumina such as Al 2 O 3 or Al x O y, yttrium oxide,
- the second intermediate layer preferably has a similar material to the second luminescent layer.
- the second intermediate layer comprises a silicon oxynitride, such as
- the at least four functional layers are arranged such that the first intermediate layer lies between the first luminous layer and the second intermediate layer, and the second
- Intermediate layer between the first intermediate layer and the second luminescent layer is located.
- the first luminous layer is preferably in direct contact with the first Intermediate layer and in no direct contact with the second intermediate layer and / or the second luminescent layer.
- the second luminescent layer is furthermore preferably in direct contact with the second intermediate layer, but in no direct contact with the first intermediate layer and / or the first luminescent layer.
- the first intermediate layer and the second intermediate layer are in direct contact with each other.
- Functional layers such as further luminescent layers and / or further intermediate layers may be introduced. Particularly preferred is no further luminescent layer between the first intermediate layer and the second intermediate layer
- Example three or four luminescent layers are provided.
- the luminescent layers are then preferably at least two intermediate layers separated from each other.
- the at least four functional layers are mechanically connected to one another via a sintering process.
- the first and the second luminescent layer as well as the first and the second intermediate layer are in the form of ceramics
- At least four functional layers are each provided as green bodies or ceramics, wherein a functional layer is used as a first luminescent layer is formed, which has an oxide and is adapted to light a first
- Wavelength range at least partially convert into light of a second wavelength range.
- Another functional layer is as a second luminescent layer
- Another functional layer is further as a first intermediate layer and still another
- the first intermediate layer in this case has an oxide
- the second intermediate layer comprises a nitride or an oxynitride.
- the functional layers are arranged such that the first intermediate layer lies between the first luminescent layer and the second intermediate layer and the second
- two ceramic light-emitting layers may be used, wherein a ceramic luminescent layer converts the blue light into green ⁇ yellow light and the second light emitting layer, the blue light into red-orange light.
- the green-yellow light-emitting luminous layer has an oxide
- the red-orange light-emitting luminous layer has a nitride. If the two luminescent layers are connected directly to each other by means of a sintering process, however, it can to reactions or diffusion processes between the two luminescent layers come, so that the luminous properties of the two luminescent layers are changed or reduced.
- a first and a second intermediate layer are introduced between the first and the second luminescent layer.
- the first intermediate layer has a similar material as the first luminescent layer
- the second intermediate layer has a similar material as the second luminescent layer.
- the two intermediate layers preferably prevent the two luminescent layers from being in direct contact with one another during the sintering process and possibly reacting with one another.
- the first luminescent layer and the first intermediate layer have similar materials, in particular no reactions occur between the first luminescent layer and the first intermediate layer during the sintering process, so that the first luminescent layer does not suffer any damage. The same applies to the second luminescent layer and the second intermediate layer.
- the first intermediate layer preferably protects the first luminescent layer from chemical reactions and / or
- the second intermediate layer preferably protects the second luminescent layer from chemical reactions and / or
- the concentration of the respective activator in the first and the second luminescent layer is at least 0.1%, for example 0,5 0.5% or> 1%. Alternatively or additionally, the concentration may be ⁇ 6% or ⁇ 4% or ⁇ 3%.
- rare earth element for example, a rare earth element
- the first and / or the second intermediate layer are transparent to light of the first and / or the second wavelength range.
- Intermediate layer also formed non-absorbing for light of the first and the second wavelength range.
- the first and the second intermediate layer are clear and / or non-absorbing for light of the third wavelength range.
- the first luminescent layer and / or the first intermediate layer and / or the second intermediate layer are reflective for light of the third wavelength range.
- the first intermediate layer may also be used
- Wavelength range to be formed
- Wavelength range first on the first luminescent layer where it is partially converted into light of the second wavelength range, then passes through the first and the second intermediate layer in the second luminescent layer and is partially converted there into light of the third wavelength range. Due to the reflection on one of Functional layers can be the light of the third
- one or more of the at least four functional layers are provided. According to at least one embodiment of the method, one or more of the at least four functional layers
- the direction of light rays in the conversion element can be changed.
- Light rays for example, due to
- the scattering centers for example, in the form of
- the scattering particles may comprise, for example, one of the following materials: alumina,
- the scattering particles have a material which differs from the material of the functional layer into which the nanoparticles are incorporated.
- the scattering particles preferably have a different refractive index than the material of the respective functional layer.
- the extent of the scattering particles is preferably 200 200 nm, for example 300 300 nm.
- the extent of the scattering particles 1 is 1 ⁇ m, for example ⁇ 600 nm.
- the scattering centers can also be introduced in the form of pores into at least one of the luminescent layers. The concentration and size of the pores can be determined by the
- the pores may have an extent of> 0.4 ⁇ m or> 1 ⁇ m or> 1.2 ⁇ m.
- the size of the pores is ⁇ 2 ym, for example ⁇ 1.8 ym.
- the concentration of scattering centers is for example at least 0.4% or 0.6% or 0.8%. Alternatively or additionally, the concentration of scattering centers is at most 3% or 2% or 1%.
- the concentration of the scattering centers may refer to the volume fraction or mass fraction of the scattering centers in the functional layers.
- each of the at least four functional layers each has two plane-parallel main sides.
- the at least four functional layers can thus be designed as functional platelets, wherein the extent of the functional platelets along the main sides can be greater than the thickness of the functional platelets perpendicular to the main sides.
- the term main page is understood here and below a flat or planar surface.
- the at least four functional layers can thus be designed as functional platelets, wherein the extent of the functional platelets along the main sides can be greater than the thickness of the functional platelets perpendicular to the main sides.
- main page is understood here and below a flat or planar surface.
- the main page is then, for example, by a
- the at least four functional layers are arranged one above the other in the direction away from a main side of a functional layer.
- the arrangement is carried out so that the
- Main pages of the at least four functional layers all run parallel to one another.
- the four functional layers can thus be arranged as a layer stack.
- Functional layers partially or completely.
- the functional layers can also be congruent in plan view of one of the main sides.
- plan view of the functional layers in plan view of the main sides is preferably rectangular or round.
- the functional layers but also recesses
- Such a recess can be made, for example, at a corner of the functional layers, so that the basic shape of the functional platelets deviates from a regular polygonal shape.
- the first luminescent layer has a thickness of ⁇ 30 ⁇ m or> 50 ⁇ m or> 70 ⁇ m.
- the first luminescent layer has a thickness of ⁇ 30 ⁇ m or> 50 ⁇ m or> 70 ⁇ m.
- Luminescent layer has a thickness of ⁇ 200 ym, for example ⁇ 150 ym or ⁇ 120 ym, on.
- the second luminescent layer has, for example, a thickness of> 5 ⁇ m, for example ⁇ 10 ⁇ m or> 20 ⁇ m.
- the second luminescent layer has, for example, a thickness of> 5 ⁇ m, for example ⁇ 10 ⁇ m or> 20 ⁇ m.
- the second luminescent layer has, for example, a thickness of> 5 ⁇ m, for example ⁇ 10 ⁇ m or> 20 ⁇ m.
- the second luminescent layer has, for example, a thickness of> 5 ⁇ m, for example ⁇ 10 ⁇ m or> 20 ⁇ m.
- the second luminescent layer has, for example, a thickness of> 5 ⁇ m, for example ⁇ 10 ⁇ m or> 20 ⁇ m.
- the second luminescent layer has, for example, a thickness of> 5 ⁇ m, for example ⁇ 10 ⁇
- Luminescent layer has a thickness of ⁇ 100 ym, for example ⁇ 80 ym or ⁇ 60 ym, on.
- each of the first and second intermediate layers has a thickness of at least 0.2 ym or> 2 ym or> 3 ym.
- the lateral extent of the at least four functional layers along the associated main sides is in each case 1 cm or> 10 cm or> 15 cm.
- the lateral extent of the at least four functional layers is ⁇ 25 cm or ⁇ 20 cm or ⁇ 18 cm.
- the lateral extent of the functional layers of the finished ceramic conversion element can be 5 5 ⁇ m, for
- Example be ⁇ 50 ym or> 200 ym. Alternatively or
- the extent along the main sides is then ⁇ 5 mm, for example ⁇ 2 mm or ⁇ 1 mm.
- Separation process can be done, for example, by sawing or
- the at least four functional layers are arranged side by side in the direction parallel to the main sides, so that preferably the main sides of the at least four functional layers
- the functional layers in particular not.
- the functional layers can be arranged in the same, but also in different planes. Furthermore, the at least four functional layers then preferably have the same or similar
- the ceramic conversion element is designed to be mechanically self-supporting.
- the ceramic conversion element can therefore after the manufacturing process and possibly after
- Separation process can be applied to, for example, a light-emitting element, without the ceramic
- Carrier must be applied to the light-emitting element.
- the ratio of the thickness of the conversion element to the lateral extent of the conversion element is, for example, at least 0.006 or 0.01 or 0.05.
- the first luminescent layer is in the form of a ceramic or green body
- the first intermediate layer is then called
- Green body applied to the first luminescent layer. Furthermore, the second intermediate layer as a green body on a side facing away from the first luminescent layer of the first
- the second luminescent layer as a green body on one of the first
- first and / or second will be used
- the functional layers can each be provided as tapes. If all functional layers are provided as green bodies, the composite of the green bodies can advantageously be shaped together.
- the second luminescent layer and the second intermediate layer become a second one
- Luminescent layer are sintered at their respective optimum sintering temperature.
- the sintering together of the first and second ceramic composite can then be carried out at lower temperatures
- the first and / or the second intermediate layer can also be applied in the described method via a deposition process, such as via
- Chemical Vapor Deposition abbreviated to CVD, or by spray deposition, English Aerosol Deposition Method, short ADM.
- a ceramic conversion element is specified.
- the ceramic conversion element can be produced by means of the method described here. That is, all in connection with the manufacturing process disclosed features are also disclosed for the ceramic conversion element and vice versa.
- a light-emitting component is specified.
- emitting device to an electroluminescent body having a radiation exit surface, which emits light of a first wavelength range in operation.
- the electroluminescent body can be, for example, a semiconductor layer sequence, in particular an LED. Furthermore, the electroluminescent body can be an organic light-emitting element, or OLED for short.
- the electroluminescent body can be, for example, a semiconductor layer sequence, in particular an LED. Furthermore, the electroluminescent body can be an organic light-emitting element, or OLED for short.
- the electroluminescent body can be, for example, a semiconductor layer sequence, in particular an LED. Furthermore, the electroluminescent body can be an organic light-emitting element, or OLED for short.
- Wavelength range for example between 420 nm and 500 nm, emit.
- the electroluminescent body can also emit light in the UV range, for example
- Wavelengths between 300 nm and 400 nm Wavelengths between 300 nm and 400 nm.
- the ceramic conversion element is produced in particular by the method described here. Characteristics of the ceramic conversion element are therefore also disclosed for the light-emitting component and vice versa.
- the ceramic conversion element can be mounted in the beam path of the light emitted by the electroluminescent body of the first wavelength range.
- the main sides of the first luminous layer and / or the second luminous layer may be parallel to the radiation exit surface of the electroluminescent body.
- the ceramic conversion element and the radiation exit surface of the electroluminescent body may, for example, overlap, in particular completely overlap.
- the light of the first wavelength range emitted by the electroluminescent body can then be at least partially converted by the ceramic conversion element into light of the second and the third wavelength range.
- the light-emitting component can therefore emit mixed light with portions of the first, second and third wavelength range during operation.
- the conversion element can therefore from the light of the first
- Wavelength range in particular of blue light
- Mixed light for example white light with one
- FIGS. 3a to 3c are schematic sectional views of the
- Figure 4 is a schematic plan view of one here
- FIG. 1 a shows a step of a method for producing a ceramic conversion element.
- four functional layers are provided, wherein one
- Functional layer is formed as a ceramic first luminescent layer 10.
- a first intermediate layer 11 is applied in the form of a green body.
- the first intermediate layer 11 can be applied, for example, as a slip or as a tape.
- the first intermediate layer 11 can also be applied via a deposition method such as PLD, ALD, CVD or ADM. After drying of the first intermediate layer 11, a second intermediate layer 21 as a green body on the side facing away from the first luminescent layer 10 of the first
- the second intermediate layer 21 may be applied by the same or a different method as the first intermediate layer 11. After this
- each of the four functional layers has two plane-parallel main sides HS.
- the four functional layers are arranged in such a way that the main sides HS run parallel to one another and that the four functional layers overlap one another in a plan view of the main sides HS, in particular overlap congruently. Furthermore, the functional layers are arranged so that the first
- Luminous layer 10 only direct contact with the first
- the first and second intermediate layers are also in direct contact with each other.
- the thickness of the first luminescent layer 10 is, for example, 100 ⁇ m
- the thickness of the second luminescent layer 20 is, for example, 80 ⁇ m
- the thicknesses of the first and second intermediate layers 11, 21 are 5 ⁇ m, for example.
- FIG. 1b After applying the four functional layers to one another, a method step is shown in FIG. 1b, in which the four functional layers are mechanically connected to one another via a sintering process. After the sintering process, the four functional layers are formed as ceramic layers, in particular as a ceramic composite.
- the first protects in the sintering process
- the second intermediate layer 21 protects the second luminescent layer 20 from chemical reactions and / or
- the first luminescent layer 10 has a cerium-doped one
- Intermediate layer 11 comprises, for example an undoped YAG on the second intermediate layer 21, for example, a silicon nitride, and the second light-emitting layer 20 has, for example doped with Eu ⁇ "
- first luminescent layer 10 and the first intermediate layer 11 have the same or similar material classes, in particular similar crystal lattices with similar ones
- FIG. 2 a shows a method step of an alternative production method for producing a ceramic
- Luminescent layer 10 and the first intermediate layer 11 as
- the first luminescent layer 10 and the first intermediate layer 11 are placed on each other in the form of tapes, for example, and then laminated.
- the second luminescent layer 20 and the second intermediate layer 21 are placed on each other as green bodies, for example as tapes.
- Luminescent layer 10 and the first intermediate layer 11 to a sintered first ceramic composite.
- the second luminescent layer 20 and the second intermediate layer 21 are sintered together to form a second ceramic composite.
- the first and the second ceramic composite are then placed on each other.
- the first ceramic composite and the second ceramic composite are mechanically connected to one another by means of a further sintering process, so that the ceramic resin is bonded to the ceramic composite
- Conversion element 1 is created. Also at the
- the ceramic conversion elements 1 of FIGS. 1b and 2c may, for example, be mechanically self-supporting.
- further intermediate layers and further luminescent layers can also be provided for the method, so that the ceramic conversion element has more than two luminescent layers, which are separated from one another by at least two intermediate layers.
- the light-emitting device 111 includes a
- electroluminescent body 40 that emits light of a first wavelength range 100.
- the light of the first wavelength range 100 is predominantly or
- the first wavelength range 100 may be, for example, blue light or UV light.
- a ceramic conversion element 1 is arranged in the beam path of the light of the first wavelength range 100 emitted by the electroluminescent body 40.
- Ceramic conversion element 1 can be in direct
- the ceramic conversion element 1 can be applied to the radiation exit surface 112 by means of a bonding agent, such as an adhesive, whereby a mechanical connection is formed.
- a bonding agent such as an adhesive
- Conversion element 1 but also at least partially
- the ceramic conversion element 1 in Figure 3a is the same or similar as in the embodiments of Figure lb and 2c.
- the main sides HS of the ceramic conversion element are parallel to the
- Radiation exit surface 112 of the electroluminescent body 40 is arranged. In top view on the
- Radiation exit surface 112 completely covers the ceramic conversion element 1 the electroluminescent body 40. Other side surfaces of the
- the electroluminescent body 40 are not covered by the ceramic conversion element 1.
- the first one is
- Luminous layer 10 is converted into light of a second wavelength range 200, for example in green-yellow light.
- the first intermediate layer 11 and the second intermediate layer 21 are clear and / or nonabsorbent for light of the first wavelength range 100 and light of the second wavelength range 200.
- Wavelength range 200 can thus pass through the first intermediate layer 11 and the second intermediate layer 21 and thus strike the second luminescent layer 20.
- the second luminescent layer 20 converts a part of the light of the first
- a third wavelength range 300 for example, in red to orange light to.
- Luminous layer 10 the light of the first wavelength range
- the second luminescent layer 20 can then be
- the light of the second wavelength range 200 is completely converted into light of the third wavelength range 300.
- the main side of the second luminescent layer 20 can then leave mixed light consisting of portions of the light of the first wavelength range 100, of the second wavelength range 200 and of the third wavelength range 300, the light-emitting component 111.
- FIG. 3 a further comprises the first luminescent layer 10
- the scattering centers 30 may be introduced into the luminescent layer 10 in the form of pores or in the form of scattering particles. Alternatively or additionally, other functional layers of the ceramic conversion element 1 may also have scattering centers 30. The scattering centers 30 ensure that light rays within the ceramic
- Conversion element 1 are diffused and thus more efficient from the ceramic conversion element. 1
- the first luminescent layer 10 faces the electroluminescent body 40
- the second luminescent layer 20 may be the radiation exit surface 112 facing.
- the first intermediate layer 11 and the second intermediate layer 21 are clear and / or non-absorbent for light of the first wavelength range 100 and light of the third
- Wavelength range 300 are.
- FIG. 3b shows a light-emitting component 111 which has a similar structure to the light
- the second intermediate layer 21 is designed to be reflective for the light of the third wavelength range 300.
- Luminous layer 20 was generated from light of the first wavelength range 100, leave the ceramic conversion element 1 only in a direction away from the electroluminescent body 40.
- a reflective intermediate layer 21 therefore, the efficiency of the light-emitting Component 111 can be increased.
- Intermediate layer 11 and / or the first luminescent layer 10 may be reflective for light of the third wavelength range 300.
- a light-emitting component 111 is again indicated, which is similar to the light-emitting components 111 according to FIGS. 3a and 3b.
- the functional layers in FIG. 3 c of the ceramic conversion element 1 are in a direction parallel to the
- Conversion element 1 therefore preferably passes through only one functional layer of the ceramic conversion element 1.
- the thicknesses of all functional layers are the same, for example 100 ⁇ m.
- Intermediate layer in the direction parallel to the main sides HS are, for example, 5 ym each.
- FIG. 4 shows an exemplary embodiment of a light
- Radiation exit surface 112 is considered.
- the electroluminescent body 40 is completely of the ceramic conversion element 1 covered. Furthermore, the ceramic conversion element 1 projects beyond the
- electroluminescent body 40 in all directions parallel to the main sides HS.
- Overlapping of the electroluminescent body 40 is advantageously achieved that all the light of the first wavelength range 100, which is emitted from the electroluminescent body 40, on the ceramic
- Conversion element 1 hits, and is partially converted.
- the conversion element 1 in FIG. 4 can be designed, for example, like the conversion element in FIG. 3a or as in FIG. 3b or as in FIG. 3c.
- the ceramic conversion element 1 can also cover only a part of the radiation exit surface 112 of the electroluminescent body 40.
- the basic shapes of the radiation exit surface 112 and the functional layers may also have round or other polygonal shapes.
- the invention encompasses every new feature as well as every combination of features, which in particular includes any combination of features in the patent claims, even if this feature or combination itself is not explicitly listed in the patent claims or exemplary embodiments.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Inorganic Chemistry (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Led Device Packages (AREA)
- Luminescent Compositions (AREA)
- Optical Filters (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/111,152 US9831398B2 (en) | 2014-01-23 | 2015-01-20 | Method for producing a ceramic conversion element and light-emitting device |
JP2016548090A JP6246381B2 (ja) | 2014-01-23 | 2015-01-20 | セラミック製変換素子の製造方法および発光装置 |
DE112015000482.3T DE112015000482B4 (de) | 2014-01-23 | 2015-01-20 | Verfahren zur Herstellung eines keramischen Konversionselements und Licht emittierendes Bauelement |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014100771.9 | 2014-01-23 | ||
DE102014100771.9A DE102014100771A1 (de) | 2014-01-23 | 2014-01-23 | Verfahren zur Herstellung eines keramischen Konversionselements und Licht emittierendes Bauelement |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015110419A1 true WO2015110419A1 (de) | 2015-07-30 |
Family
ID=52462275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2015/050987 WO2015110419A1 (de) | 2014-01-23 | 2015-01-20 | Verfahren zur herstellung eines keramischen konversionselements und licht emittierendes bauelement |
Country Status (4)
Country | Link |
---|---|
US (1) | US9831398B2 (de) |
JP (1) | JP6246381B2 (de) |
DE (2) | DE102014100771A1 (de) |
WO (1) | WO2015110419A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015116710A1 (de) * | 2015-10-01 | 2017-04-06 | Osram Opto Semiconductors Gmbh | Optoelektronisches Bauelement |
JP2023073749A (ja) | 2021-11-16 | 2023-05-26 | 日亜化学工業株式会社 | 波長変換部材及びその製造方法、発光装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008072196A1 (en) * | 2006-12-15 | 2008-06-19 | Philips Lumileds Lighting Company, Llc | Tunable white point light source using a wavelength converting element |
US20110227477A1 (en) * | 2010-03-19 | 2011-09-22 | Nitto Denko Corporation | Garnet-based phosphor ceramic sheets for light emitting device |
DE102011010118A1 (de) * | 2011-02-02 | 2012-08-02 | Osram Opto Semiconductors Gmbh | Keramisches Konversionselement, Halbleiterchip mit einem keramischen Konversionselement und Verfahren zur Herstellung eines keramischen Konversionselements |
DE102012104274A1 (de) * | 2012-05-16 | 2013-11-21 | Osram Opto Semiconductors Gmbh | Verfahren zur Herstellung eines keramischen Konversionselements, keramisches Konversionselement und optoelektronisches Halbleiterbauelement |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003078165A (ja) * | 2001-08-31 | 2003-03-14 | Japan Fine Ceramics Center | 発光素子 |
US20090039375A1 (en) | 2007-08-07 | 2009-02-12 | Cree, Inc. | Semiconductor light emitting devices with separated wavelength conversion materials and methods of forming the same |
US20100059771A1 (en) | 2008-09-10 | 2010-03-11 | Chris Lowery | Multi-layer led phosphors |
JP2012015254A (ja) | 2010-06-30 | 2012-01-19 | Nitto Denko Corp | 蛍光体セラミックスおよび発光装置 |
CN104471730B (zh) * | 2012-07-20 | 2018-04-17 | 皇家飞利浦有限公司 | 发光器件和创建发光器件的方法 |
DE102012109650A1 (de) * | 2012-10-10 | 2014-04-10 | Osram Opto Semiconductors Gmbh | Keramisches Konversionselement, optoelektronisches Halbleiterelement und Verfahren zur Herstellung eines keramischen Konversionselements |
KR101666781B1 (ko) * | 2013-06-28 | 2016-10-17 | 엘지디스플레이 주식회사 | 유기 발광 소자 |
-
2014
- 2014-01-23 DE DE102014100771.9A patent/DE102014100771A1/de not_active Withdrawn
-
2015
- 2015-01-20 DE DE112015000482.3T patent/DE112015000482B4/de active Active
- 2015-01-20 US US15/111,152 patent/US9831398B2/en active Active
- 2015-01-20 JP JP2016548090A patent/JP6246381B2/ja active Active
- 2015-01-20 WO PCT/EP2015/050987 patent/WO2015110419A1/de active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008072196A1 (en) * | 2006-12-15 | 2008-06-19 | Philips Lumileds Lighting Company, Llc | Tunable white point light source using a wavelength converting element |
US20110227477A1 (en) * | 2010-03-19 | 2011-09-22 | Nitto Denko Corporation | Garnet-based phosphor ceramic sheets for light emitting device |
DE102011010118A1 (de) * | 2011-02-02 | 2012-08-02 | Osram Opto Semiconductors Gmbh | Keramisches Konversionselement, Halbleiterchip mit einem keramischen Konversionselement und Verfahren zur Herstellung eines keramischen Konversionselements |
DE102012104274A1 (de) * | 2012-05-16 | 2013-11-21 | Osram Opto Semiconductors Gmbh | Verfahren zur Herstellung eines keramischen Konversionselements, keramisches Konversionselement und optoelektronisches Halbleiterbauelement |
Also Published As
Publication number | Publication date |
---|---|
JP6246381B2 (ja) | 2017-12-13 |
US20160336491A1 (en) | 2016-11-17 |
DE112015000482A5 (de) | 2016-11-03 |
JP2017510833A (ja) | 2017-04-13 |
US9831398B2 (en) | 2017-11-28 |
DE112015000482B4 (de) | 2021-11-11 |
DE102014100771A1 (de) | 2015-07-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE112015004324B4 (de) | Verfahren bei dem ein strukturierter Dünnfilm-Wellenlängenkonverter hergestellt wird | |
EP3251156B1 (de) | Verfahren zur herstellung eines optoelektronischen halbleiterbauelements | |
DE102010053362B4 (de) | Verfahren zur Herstellung eines strahlungsemittierenden Halbleiterchips, strahlungsemittierender Halbleiterchip und strahlungsemittierendes Bauelement | |
DE112014004933T5 (de) | Wellenlängenumwandlungselement, Verfahren zur Herstellung und Licht emittierender Halbleiterbauteil, welcher dasselbe aufweist | |
WO2008145096A1 (de) | Lumineszenzdiodenchip mit winkelfilterelement | |
WO2012104141A1 (de) | Keramisches konversionselement, halbleiterchip mit einem keramischen konversionselement und verfahren zur herstellung eines keramischen konversionselements | |
DE102011113962B4 (de) | Verfahren zur Herstellung eines keramischen Konversionselements | |
EP1643567A2 (de) | Lumineszenzdiodenchip mit einer Konverterschicht und Verfahren zur Herstellung eines Lumineszenzdiodenchips mit einer Konverterschicht | |
EP2335292A1 (de) | Leuchtmittel | |
WO2014056903A1 (de) | Keramisches konversionselement, optoelektronisches halbleiterelement und verfahren zur herstellung eines keramischen konversionselements | |
WO2015091388A1 (de) | Konversionselement, verfahren zur herstellung eines konversionselements, optoelektronisches bauelement umfassend ein konversionselement | |
DE102011116230B4 (de) | Keramisches Konversionselement, optoelektronisches Halbleiterbauelement mit einem keramischen Konversionselement und Verfahren zur Herstellung eines keramischen Konversionselements | |
WO2013056895A1 (de) | Keramisches konversionselement, optoelektronisches bauelement mit einem keramischen konversionselement und verfahren zur herstellung eines keramischen konversionselements | |
DE112015000482B4 (de) | Verfahren zur Herstellung eines keramischen Konversionselements und Licht emittierendes Bauelement | |
DE112020002257T5 (de) | Mehrschichtiger keramischer konverter mit stratifizierter streuung | |
DE102012110552A1 (de) | Konverterelement, optoelektronisches Bauelement mit einem derartigen Konverterelement und Verfahren zum Herstellen eines Konverterelements | |
WO2020038722A1 (de) | Optoelektronisches halbleiterbauelement und verfahren zur herstellung eines optoelektronischen halbleiterbauelements | |
WO2017081181A1 (de) | Strahlungsemittierender halbleiterchip, optoelektronisches bauelement mit einem strahlungsemittierenden halbleiterchip und verfahren zur beschichtung eines strahlungsemittierenden halbleiterchips | |
DE102022132657A1 (de) | Lichtemittierende vorrichtung | |
WO2016083448A1 (de) | Optoelektronischer halbleiterchip, verfahren zur herstellung eines optoelektronischen halbleiterchips, konversionselement und leuchtstoff für ein konversionselement | |
WO2014191257A1 (de) | Anorganisches optisches element und verfahren zur herstellung eines anorganischen optischen elements | |
WO2013171151A2 (de) | Verfahren zur herstellung eines keramischen konversionselements, keramisches konversionselement und optoelektronisches halbleiterbauelement | |
DE112019005803T5 (de) | Keramisches konversionselement, lichtemittierende vorrichtung und verfahren zur herstellung eines keramischen konversionselements | |
DE102015109413A1 (de) | Verfahren zur Herstellung von optoelektronischen Konversions-Halbleiterchips und Verbund von Konversions-Halbleiterchips | |
DE102018105910B4 (de) | Verfahren zur Herstellung einer Vielzahl von Konversionselementen |
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: 15702979 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 15111152 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 2016548090 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 112015000482 Country of ref document: DE |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: R225 Ref document number: 112015000482 Country of ref document: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 15702979 Country of ref document: EP Kind code of ref document: A1 |