Patent SG-11201900395V-A (SG)
Title: Formulation for an led encapsulation material
Inventor: GROTTENMUELLER RALF
IPC: H01L33/56
Filed: 2017-07-14
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property MD 1101111 0 DOI HIM 011101 0 0111111 11111111111111111111111111111111111111111 Organization International Bureau (10) International Publication Number (43) International Publication Date ......0\"\" WO 2018/015284 Al 25 January 2018 (25.01.2018) WI P0 I P C T (51) International Patent Classification: HO1L 33/56 (2010.01) CO9D 183/08 (2006.01) Published: C08K 3/22 (2006.01) CO8L 83/14 (2006.01) — with international search report (Art. 21(3)) CO9D 183/06 (2006.01) (21) International Application Number: PCT/EP2017/067809 (22) International Filing Date: 14 July 2017 (14.07.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/363,502 18 July 2016 (18.07.2016) US (71) Applicant: AZ ELECTRONIC MATERIALS (LUX- EMBOURG) S.A.R.L. [LU/LU]; 46 Place Guillaume II, 1648 Luxembourg (LU). (72) Inventors: GROTTENMUELLER, Ralf; Schoen- bergstrasse 35, 65199 WIESBADEN (DE). CASAS GAR- CIA-MINGUILLAN, Abraham; Schwalbacher Strasse 44, 65183 WIESBADEN (DE). RITA, Fumio; Rhein- strasse 105, 65185 WIESBADEN (DE). WAGNER, Di- eter; Hackenbaum 1, 65207 WIESBADEN (DE). (74) Agent: B2B PATENTS; c/o Merck Patent GmbH, 64271 Darmstadt (DE). (81) Designated States (unless otherwise indicated, for every kind of national protection available): 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, PA, PE, PG, PH, PL, PT, RO, RS, RU, RW, SA, — OM, QA, 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. = (84) Designated States (unless otherwise indicated, for every kind ARIPO of regional protection available): (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European AT, BE, BG, CH, CY, CZ, DE, DK, (AL, 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, 1-1 TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). 71' co el (54) Title: FORMULATION FOR AN LED ENCAPSULATION MATERIAL ir) 1-1 (57) : The present invention relates to a formulation suitable for the preparation of a highly refractive encapsulation material 0 ----. with good barrier properties towards water vapor for an LED, to an encapsulation material for an LED having a high refractive index and GC ,_ 1 good barrier properties towards water vapor which is obtainable from said formulation and to a light emitting device (LED) comprising N said encapsulation material. The formulation comprises a polymer comprising a first repeating unit U and a second repeating unit U l 2 ; and a surface-modified nanoparticle, wherein the surface-modified nanoparticle does not contain any zirconium dioxide.