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1. (WO2017150456) ILLUMINATION DEVICE
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Pub. No.: WO/2017/150456 International Application No.: PCT/JP2017/007516
Publication Date: 08.09.2017 International Filing Date: 27.02.2017
IPC:
F21V 5/08 (2006.01) ,F21S 2/00 (2016.01) ,F21S 8/04 (2006.01) ,F21V 5/04 (2006.01) ,G02B 5/00 (2006.01) ,F21Y 115/10 (2016.01)
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
21
LIGHTING
V
FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
5
Refractors for light sources
08
producing an asymmetric light distribution
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
21
LIGHTING
S
NON-PORTABLE LIGHTING DEVICES OR SYSTEMS THEREOF
2
Systems of lighting devices, not provided for in main groups F21S4/-F21S10/119
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
21
LIGHTING
S
NON-PORTABLE LIGHTING DEVICES OR SYSTEMS THEREOF
8
Lighting devices intended for fixed installation
04
intended only for mounting on a ceiling or like overhead structure
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
21
LIGHTING
V
FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
5
Refractors for light sources
04
of lens shape
G PHYSICS
02
OPTICS
B
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
5
Optical elements other than lenses
[IPC code unknown for F21Y 115/10]
Applicants:
三菱電機株式会社 MITSUBISHI ELECTRIC CORPORATION [JP/JP]; 東京都千代田区丸の内二丁目7番3号 7-3, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008310, JP
三菱電機照明株式会社 MITSUBISHI ELECTRIC LIGHTING CORPORATION [JP/JP]; 神奈川県鎌倉市大船二丁目14番40号 14-40, Ofuna 2-chome, Kamakura-shi, Kanagawa 2470056, JP
Inventors:
山田 旭洋 YAMADA, Akihiro; JP
山隅 允裕 YAMAZUMI, Mitsuhiro; JP
大嶋 律也 OSHIMA, Ritsuya; JP
奥村 振一郎 OKUMURA, Shinichiro; JP
Agent:
村上 加奈子 MURAKAMI, Kanako; JP
松井 重明 MATSUI, Jumei; JP
倉谷 泰孝 KURATANI, Yasutaka; JP
伊達 研郎 DATE, Kenro; JP
Priority Data:
2016-04008902.03.2016JP
Title (EN) ILLUMINATION DEVICE
(FR) DISPOSITIF D'ÉCLAIRAGE
(JA) 照明装置
Abstract:
(EN) An illumination device (1) is provided with a light source (2) and an optical element (3). The light source (2) emits light. The optical element (3) receives incident light and radiates the incident light asymmetrically in relation to an optical axis (C) of the light source (2). The optical element (3) includes a first incident surface (4b) on which light is incident, and a reflecting surface (6) that reflects light. The light that reaches the first incident surface (4b) from the light source (2) includes a first light (L5) that is transmitted through the first incident surface (4b), and a second light (L6) reflected by the first incident surface (4b). On the optical path of the second light (L6), the optical element (3) is provided with a diffusion part for diffusing said second light.
(FR) L'invention concerne un dispositif d'éclairage (1) comprenant une source de lumière (2) et un élément optique (3). La source de lumière (2) émet de la lumière. L'élément optique (3) reçoit une lumière incidente et propage la lumière incidente de manière asymétrique par rapport à un axe optique (C) de la source de lumière (2). L'élément optique (3) comprend une première surface d'incidence (4b) sur laquelle la lumière est incidente, et une surface réfléchissante (6) qui réfléchit la lumière. La lumière qui atteint la première surface d'incidence (4b) à partir de la source de lumière (2) comprend une première lumière (L5) qui est transmise à travers la première surface d'incidence (4b), et une seconde lumière (L6) réfléchie par la première surface d'incidence (4b). Sur le trajet optique de la seconde lumière (L6), l'élément optique (3) comporte une partie de diffusion servant à diffuser ladite seconde lumière.
(JA) 照明装置(1)は、光源(2)及び光学素子(3)を備える。光源(2)は、光を出射する。光学素子(3)は、光を入射して、入射された光を光源(2)の光軸(C)に対して非対称に照射する。光学素子(3)は、光を入射する第1の入射面(4b)および光を反射する反射面(6)を含む。光源(2)から第1の入射面(4b)に到達した光は、第1の入射面(4b)を透過する第1の光(L)と記第1の入射面(4b)で反射される第2の光(L)とを含む。光学素子(3)は、第2の光(L)の光路上に、当該第2の光を拡散させる拡散部を備える。
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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, 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: Japanese (JA)
Filing Language: Japanese (JA)