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1. (WO2018197616) WAVELENGTH CONVERTERS WITH IMPROVED THERMAL CONDUCTIVITY AND LIGHTING DEVICES INCLUDING THE SAME
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Pub. No.: WO/2018/197616 International Application No.: PCT/EP2018/060740
Publication Date: 01.11.2018 International Filing Date: 26.04.2018
IPC:
H01L 33/50 (2010.01) ,H01L 33/64 (2010.01)
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
33
Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
48
characterised by the semiconductor body packages
50
Wavelength conversion elements
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
L
SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
33
Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
48
characterised by the semiconductor body packages
64
Heat extraction or cooling elements
Applicants:
OSRAM OPTO SEMICONDUCTORS GMBH [DE/DE]; Leibnizstr. 4 93055 Regensburg, DE
Inventors:
ANC, Maria J.; US
MARK, Hannah; US
Agent:
EPPING HERMANN FISCHER PATENTANWALTSGESELLSCHAFT MBH; Schloßschmidstr. 5 80639 München, DE
Priority Data:
15/499,59827.04.2017US
Title (EN) WAVELENGTH CONVERTERS WITH IMPROVED THERMAL CONDUCTIVITY AND LIGHTING DEVICES INCLUDING THE SAME
(FR) CONVERTISSEURS DE LONGUEUR D'ONDE À CONDUCTIVITÉ THERMIQUE AMÉLIORÉE ET DISPOSITIFS D'ÉCLAIRAGE LES COMPRENANT
Abstract:
(EN) Wavelength converters (103) with improved thermal conductivity are described. In some embodiments the wavelength converters include a thermally conductive component (204, 206) and a wavelength conversion material (205) mixed with or dispersed in the thermally conductive component. The wavelength conversion material (205) includes non-agglomerated quantum dots. The presence of the thermally conductive component may facilitate removal of heat from the wavelength converter, potentially reducing the impact of elevated temperature on the performance of the wavelength conversion material therein. Methods of making such wavelength converters and lighting devices including such wavelength converters are also described.
(FR) L'invention concerne des convertisseurs de longueur d'onde (103) présentant une conductivité thermique améliorée. Selon certains modes de réalisation, les convertisseurs de longueur d'onde comprennent un composant thermoconducteur (204, 206) et un matériau de conversion de longueur d'onde (205) mélangé ou dispersé dans le composant thermoconducteur. Le matériau de conversion de longueur d'onde (205) comprend des points quantiques non agglomérés. La présence du composant thermoconducteur peut faciliter l'élimination de la chaleur à partir du convertisseur de longueur d'onde, réduisant potentiellement l'impact de température élevée sur la performance du matériau de conversion de longueur d'onde en son sein. L'invention concerne également des procédés de fabrication de tels convertisseurs de longueur d'onde et des dispositifs d'éclairage comprenant de tels convertisseurs de longueur d'onde.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)