(12) International Application Status Report

Received at International Bureau: 25 March 2020 (25.03.2020)

Information valid as of: 25 March 2020 (25.03.2020)

Report generated on: 27 January 2021 (27.01.2021)

(10) Publication number: (43) Publication date: (26) Publication language:
WO 2020/20312808 October 2020 (08.10.2020) Japanese (JA)

(21) Application number: (22) Filing date: (25) Filing language:
PCT/JP2020/01058811 March 2020 (11.03.2020) Japanese (JA)

(31) Priority number(s): (32) Priority date(s): (33) Priority status:
2019-066163 (JP)29 March 2019 (29.03.2019) Priority document received (in compliance with PCT Rule 17.1)

(51) International Patent Classification:
G02B 5/30 (2006.01); B32B 7/023 (2019.01); B32B 17/10 (2006.01); G02F 1/1335 (2006.01)

(71) Applicant(s):
NITTO DENKO CORPORATION [JP/JP]; 1-1-2, Shimohozumi, Ibaraki-shi, Osaka 5678680 (JP) (for all designated states)

(72) Inventor(s):
MURASHIGE, Takeshi; c/o Nitto Denko Corporation, 1-1-2, Shimohozumi, Ibaraki-shi, Osaka 5678680 (JP)
INAGAKI, Junichi; c/o Nitto Denko Corporation, 1-1-2, Shimohozumi, Ibaraki-shi, Osaka 5678680 (JP)
SATO, Keisuke; c/o Nitto Denko Corporation, 1-1-2, Shimohozumi, Ibaraki-shi, Osaka 5678680 (JP)
KISHI, Atsushi; c/o Nitto Denko Corporation, 1-1-2, Shimohozumi, Ibaraki-shi, Osaka 5678680 (JP)

(74) Agent(s):
ITOH, Tadashige; 16th Floor, Marunouchi MY PLAZA (Meiji Yasuda Seimei Building), 1-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1000005 (JP)

(54) Title (EN): OPTICAL FILM SET AND OPTICAL LAYERED BODY
(54) Title (FR): ENSEMBLE DE FILMS OPTIQUES ET CORPS MULTICOUCHE OPTIQUE
(54) Title (JA): 光学フィルムセット、光学積層体

(57) Abstract:
(EN): This optical film set has a first optical film which is provided with a first adhesive layer and which is disposed on the visible side of an optical element via the first adhesive layer, and a second optical film which is provided with a second adhesive layer and which is disposed on the back surface side of the optical element via the second adhesive layer, a first glass film having a thickness of 50 µm to 150 µm being provided on the visible-side surface of the first optical film, and the thickness of the second adhesive layer being 50 µm to 200 µm.
(FR): L'invention concerne un ensemble de films optiques comprenant un premier film optique qui est pourvu d'une première couche adhésive et qui est disposé sur le côté visible d'un élément optique par l'intermédiaire de la première couche adhésive, et un second film optique qui est pourvu d'une seconde couche adhésive et qui est disposé sur le côté de surface arrière de l'élément optique par l'intermédiaire de la seconde couche adhésive, un premier film de verre ayant une épaisseur de 50 µm à 150 µm étant disposé sur la surface côté visible du premier film optique, et l'épaisseur de la seconde couche adhésive étant de 50 µm à 200 µm.
(JA): 本光学フィルムセットは、第1の粘着剤層を備え、前記第1の粘着剤層を介して光学素子の視認側に配置される第1の光学フィルムと、第2の粘着剤層を備え、前記第2の粘着剤層を介して前記光学素子の背面側に配置される第2の光学フィルムと、を有し、前記第1の光学フィルムの前記視認側の表面に、厚みが50μm以上150μm以下の第1のガラスフィルムが設けられ、前記第2の粘着剤層の厚みが50μm以上200μm以下である。

International search report:
Received at International Bureau: 01 June 2020 (01.06.2020) [JP]

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, 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, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, WS, 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