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1. (WO2019065926) OPTICAL SHEET AND OPTICAL COMPONENT
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Pub. No.: WO/2019/065926 International Application No.: PCT/JP2018/036149
Publication Date: 04.04.2019 International Filing Date: 27.09.2018
IPC:
G02B 5/22 (2006.01) ,G02C 7/10 (2006.01)
G PHYSICS
02
OPTICS
B
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
5
Optical elements other than lenses
20
Filters
22
Absorbing filters
G PHYSICS
02
OPTICS
C
SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
7
Optical parts
10
Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
Applicants:
住友ベークライト株式会社 SUMITOMO BAKELITE CO., LTD. [JP/JP]; 東京都品川区東品川2丁目5番8号 5-8, Higashi-shinagawa 2-chome, Shinagawa-ku, Tokyo 1400002, JP
Inventors:
大山 拓也 OYAMA, Takuya; JP
石川 哲也 ISHIKAWA, Tetsuya; JP
Agent:
朝比 一夫 ASAHI, Kazuo; JP
増田 達哉 MASUDA, Tatsuya; JP
Priority Data:
2017-19223129.09.2017JP
2017-19223229.09.2017JP
2018-09260511.05.2018JP
Title (EN) OPTICAL SHEET AND OPTICAL COMPONENT
(FR) FEUILLE OPTIQUE ET COMPOSANT OPTIQUE
(JA) 光学シートおよび光学部品
Abstract:
(EN) The optical sheet according to the present invention is characterized by comprising a specific wavelength absorbing layer that includes polycarbonate as a main material, and includes a light absorber for absorbing, from light with a wavelength of 350-740 nm, light with a specific wavelength, wherein the polycarbonate has a viscosity average molecular weight Mw of 20000-30000. In addition, the specific wavelength absorbing layer further includes an ultraviolet absorber for absorbing light within a wavelength range of 100-420 nm.
(FR) La feuille optique selon la présente invention est caractérisée en ce qu'elle comprend une couche d'absorption de longueur d'onde spécifique qui comprend du polycarbonate en tant que matériau principal, et comprend un absorbeur de lumière destiné à absorber, à partir de la lumière ayant une longueur d'onde de 350-740 nm, de la lumière ayant une longueur d'onde spécifique, le polycarbonate ayant une masse moléculaire moyenne viscosimétrique Mw de 20000-3000000. De plus, la couche d'absorption de la longueur d'onde spécifique comprend en outre un absorbeur d'ultraviolets destiné à absorber la lumière dans une plage de longueurs d'onde de 100-420 nm.
(JA) 本発明の光学シートは、ポリカーボネートを主材として、350nm以上740nm以下の波長域の光のうち、特定の波長の光を吸収する光吸収剤を含む特定波長吸収層を有し、前記ポリカーボネートは、粘度平均分子量Mwが20000以上30000以下のものであることを特徴とする。また、前記特定波長吸収層は、100nm以上420nm以下の波長域の光を吸収する紫外線吸収剤をさらに含む。
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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, 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: Japanese (JA)
Filing Language: Japanese (JA)