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1. (WO2018100957) DAYLIGHTING SYSTEM

Pub. No.:    WO/2018/100957    International Application No.:    PCT/JP2017/039501
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Thu Nov 02 00:59:59 CET 2017
IPC: G01W 1/06
E06B 5/00
E06B 9/24
G01J 1/42
G02F 1/13
Applicants: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
パナソニックIPマネジメント株式会社
Inventors: IWAHORI Yutaka
岩堀 裕
Title: DAYLIGHTING SYSTEM
Abstract:
A daylighting system (10) is provided with: a functional film (100) which transmits light (L) from the outside (20) and permits the light to enter a room (21); a weather condition detection unit (200) which detects a weather condition in a place where the functional film (100) is installed; and a control unit (300) which controls the transmittance of the functional film (100) on the basis of a detection result by the weather condition detection unit (200), wherein the weather condition detection unit (200) detects a weather condition according to the result of a comparison of the illuminance and color temperature of the light (L) from the outside (20) with reference values corresponding to the illuminance and color temperature, respectively.