(12) International Application Status Report

Received at International Bureau: 02 October 2019 (02.10.2019)

Information valid as of: 11 May 2020 (11.05.2020)

Report generated on: 25 September 2020 (25.09.2020)

(10) Publication number: (43) Publication date: (26) Publication language:
WO 2020/11675711 June 2020 (11.06.2020) Korean (KO)

(21) Application number: (22) Filing date: (25) Filing language:
PCT/KR2019/01241224 September 2019 (24.09.2019) Korean (KO)

(31) Priority number(s): (32) Priority date(s): (33) Priority status:
10-2018-0155889 (KR)06 December 2018 (06.12.2018) Priority document received (in compliance with PCT Rule 17.1)

(51) International Patent Classification:
C03C 17/34 (2006.01)

(71) Applicant(s):
KCC CORPORATION [KR/KR]; 344, Sapyeong-daero, Seocho-gu, Seoul 06608 (KR) (for all designated states)

(72) Inventor(s):
LEE, Hyoun Joo; 59-3, Jeonpo-daero 276beon-gil, Busanjin-gu, Busan 47239 (KR)
KANG, Hyun Min; 301-2501, 20, Pangyo-ro, Bundang-gu, Seongnam-si, Gyeonggi-do 13485 (KR)
YOON, Sung Kun; 104-108, 541, Yeojunam-ro, Ganam-eup, Yeoju-si, Gyeonggi-do 12646 (KR)
OH, Young Hoon; 101-802, 5, Deongneung-ro 77-gil, Nowon-gu, Seoul 01707 (KR)
KIM, Jin Yong; 105-213, 56, Geumgang green-gil, Ganam-eup, Yeoju-si, Gyeonggi-do 12646 (KR)

(74) Agent(s):
BAE, KIM & LEE IP GROUP; 11th Floor, 343, Gangnam-daero, Seocho-gu, Seoul 06626 (KR)

(54) Title (EN): LOW-REFLECTION COATING GLASS
(54) Title (FR): VERRE DE REVÊTEMENT À FAIBLE RÉFLEXION
(54) Title (KO): 저반사 코팅 유리

(57) Abstract:
(EN): The present invention relates to a low-reflection coating glass. Specifically, a low-reflection coating glass according to the present invention comprises: a glass substrate; and a low-reflection coating layer containing a form in which a first high-refractive index layer, a first low-refractive index layer, a second high-refractive index layer, and a second low-refractive index layer are consecutively laminated, wherein: the first high-refractive index layer and the second high-refractive index layer each have a refractive index of 2.0 to 2.5 and each contain titanium oxide; the first low-refractive index layer and the second low-refractive index layer each have a refractive index of 1.3 to 1.6 and each contain silicon oxide; and the total thickness of the low-reflection coating layer is 300 nm to 600 nm.
(FR): La présente invention concerne un verre de revêtement à faible réflexion. Spécifiquement, un verre de revêtement à faible réflexion selon la présente invention comprend : un substrat en verre; et une couche de revêtement à faible réflexion contenant une forme dans laquelle une première couche à indice de réfraction élevé, une première couche à faible indice de réfraction, une seconde couche à indice de réfraction élevé et une seconde couche à faible indice de réfraction sont stratifiées consécutivement, la première couche à indice de réfraction élevé et la seconde couche à indice de réfraction élevé ayant chacune un indice de réfraction de 2,0 à 2,5 et contenant chacune de l'oxyde de titane; la première couche à faible indice de réfraction et la seconde couche à faible indice de réfraction ayant chacune un indice de réfraction de 1,3 à 1,6 et contenant chacune de l'oxyde de silicium; et l'épaisseur totale de la couche de revêtement à faible réflexion étant de 300 nm à 600 nm.
(KO): 본 발명은 저반사 코팅 유리에 관한 것으로서, 구체적으로, 본 발명에 따른 저반사 코팅 유리는 유리 기재; 및 제1 고굴절률층, 제1 저굴절률층, 제2 고굴절률층 및 제2 저굴절률층이 순차적으로 적층된 형태를 포함하는 저반사 코팅층;을 포함하고, 상기 제1 고굴절률층 및 상기 제2 고굴절률층 각각은 굴절률이 2.0 내지 2.5이고, 티타늄 산화물을 포함하며, 상기 제1 저굴절률층 및 상기 제2 저굴절률층 각각은 굴절률이 1.3 내지 1.6이고, 규소 산화물을 포함하고, 상기 저반사 코팅층은 총 두께가 300nm 내지 600nm이다.

International search report:
Received at International Bureau: 03 January 2020 (03.01.2020) [KR]

International Report on Patentability (IPRP) Chapter II of the PCT:
Not available

(81) 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, 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
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 (OAPI) : BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG
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 Organization (EAPO) : AM, AZ, BY, KG, KZ, RU, TJ, TM