DAYLIGHTING MEMBER

WIPO Patent Application WO/2016/195054

A1

The main purpose is to provide a daylighting member capable of demonstrating the functions of high-privacy concealment and high daylighting characteristics. Provided is a daylighting member having at least an incident plane, which is a surface on the side on which light is incident, an emission plane, which is a surface on the side from which light is emitted and is a surface opposing the incident plane, and a plurality of light-reflecting surfaces that is disposed between the incident plane and the emission plane and that reflects incident light from the incident plane toward the emission plane, the daylighting member being characterized in that the total light transmittance is 80% or greater, and the light emission intensity is 40% or more in an emission angle range of ±3° when the intensity of the light incident from the incident plane at an incidence angle of 20°-60° and emitted from the emission plane is measured, the emission angles at which the intensity of the emission light that corresponds to the incident angles is maximum are specified, and the maximum peak intensity of the emission light at the emission angles is set to 100%.

JPS60227201	REAR SIDE PROJECTION TYPE SCREEN
JP5157724	Light diffusive film
JPH11167351	MANUFACTURING METHOD FOR DISPLAY AND EMBOSSED HOLOGRAPHY TRANSMISSIVE REFLECTOR AND EMBOSSED HOLOGRAPHY TRANSMISSIVE REFLECTOR

MITSUZUKA SATOSHI (JP)
SEKIDO MASAYUKI (JP)

PCT/JP2016/066519

December 08, 2016

May 27, 2016

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DAINIPPON PRINTING CO LTD (JP)

G02B5/02; C03C27/12; E06B5/00; E06B9/24; F21S11/00; G02B5/00

WO2015056736A1

2015-04-23

US20130265642A1	2013-10-10
JP2014044305A	2014-03-13

YAMASHITA, Akihiko et al. (JP)
Akihiko Yamashita (JP)

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