[54] LIGHT CONTROL SHEETS
[75] Inventors: Shinichiro Kitayama, Minoo; Teruho Adachi, Hirakata; Masahiro Ueda, Minoo; Yuichi Aoki, Tsukuba; Satoshi Shiiki, Yokohama; Akio Takigawa, Nishinomiya; Motoaki Yoshida, Kawanishi; Naoya Imamura, Fujinomiya; Koichi Maeda, Nishinomiya; Hisayuki Kayanoki, Takarazuka, all of Japan
[73] Assignees: Sumitomo Chemical Company
Limited; Nippon Sheet Glass Co.,
Ltd., both of Osaka, Japan
[21] Appl. No.: 133,603
[22] Filed: Dec. 16,1987
[30] Foreign Application Priority Data
Dec. 18, 1986 [JP] Japan 61-302500
Jun. 11, 1987 [JP] Japan 62-146564
Jun. 11, 1987 [JP] Japan 62-146565
Aug. 7, 1987 [JP] Japan 62-197833
Aug. 7, 1987 [JP] Japan 62-197834
Aug. 7, 1987 [JP] Japan 62-197836
Aug. 7, 1987 [JP] Japan 62-197837
[51] Int. CI.' G03F 1/02
