Sunlight sensor that detects a distrubition and amount of thermal load

摘要

PCT No. PCT/JP93/01599 Sec. 371 Date Sep. 20, 1994 Sec. 102(e) Date Sep. 20, 1994 PCT Filed Nov. 4, 1993 PCT Pub. No. WO94/11703 PCT Pub. Date May 26, 1994A sunlight sensor for use in control of vehicle air conditioners, and provides which detects the sunlight thermal load. A light-cutoff film is formed on the upper surface of the transparent substrate (intermediate element) of the light-sensing element, and at the center of this light-cutoff film is formed a light-guiding hole. Left and right light-detection sections and are formed on the lower surface of the transparent substrate.