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Daylighting film
A daylighting film (1) according to one aspect of the present invention includes a base member (10) having optical transparency, first projections (11) having optical transparency and formed on an inner surface (10a) of the base member (10), a second projection (12) formed on the inner surface (10a) and having a height from the inner surface (10a) higher than a height of the first projections (11), a protective base member (13) arranged in an opposite relation to the inner surface (10a) of the base member (10), a bonding layer (14) for bonding the second projection (12) and the protective base member (13), and gaps (15) defined between the first projections (11) and between the first projection (11) and the second projection (12), wherein the first projections (11) include reflective surfaces (11c2) at which light incoming from an outer surface (13b) side of the protective base member (13) or the base member (10) is totally reflected.
Daylighting film
A daylighting film (1) according to one aspect of the present invention includes a base member (10) having optical transparency, first projections (11) having optical transparency and formed on an inner surface (10a) of the base member (10), a second projection (12) formed on the inner surface (10a) and having a height from the inner surface (10a) higher than a height of the first projections (11), a protective base member (13) arranged in an opposite relation to the inner surface (10a) of the base member (10), a bonding layer (14) for bonding the second projection (12) and the protective base member (13), and gaps (15) defined between the first projections (11) and between the first projection (11) and the second projection (12), wherein the first projections (11) include reflective surfaces (11c2) at which light incoming from an outer surface (13b) side of the protective base member (13) or the base member (10) is totally reflected.
Daylighting film
SAKURAGI KAZUYOSHI (author) / KAMADA TSUYOSHI (author) / UEKI SHUN (author) / NANGO TOMOKO (author) / TSUJIMOTO MASAHIRO (author) / TSUDA YUHSUKE (author)
2018-01-09
Patent
Electronic Resource
English
IPC:
G02B
Optische Elemente, Systeme oder Geräte
,
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
/
E06B
Feste oder bewegliche Abschlüsse für Öffnungen in Bauwerken, Fahrzeugen, Zäunen oder ähnlichen Einfriedungen allgemein, z.B. Türen, Fenster, Läden, Tore
,
FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES, OR LIKE ENCLOSURES, IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
/
F21S
Ortsfeste Leuchten
,
NON-PORTABLE LIGHTING DEVICES
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