US 7,321,459 B2
Image display device and method
Yoshitomo Masuda, Hamura (Japan); Gaku Yakushiji, Higashiyamato (Japan); Kazuya Murata, Kodaira (Japan); Norio Nihei, Kodaira (Japan); Koji Takagi, Kawasaki (Japan); Itsuo Tanuma, Sayama (Japan); Hajime Kitano, Kodaira (Japan); and Takahiro Kawagoe, Tokorozawa (Japan)
Assigned to Bridgestone Corporation, Tokyo (Japan)
Appl. No. 10/506,533
PCT Filed Mar. 06, 2003, PCT No. PCT/JP03/02645
§ 371(c)(1), (2), (4) Date Aug. 15, 2005,
PCT Pub. No. WO03/075087, PCT Pub. Date Sep. 12, 2003.
Claims priority of application No. 2002-060760 (JP), filed on Mar. 06, 2002; and application No. 2002-133171 (JP), filed on May 08, 2002.
Prior Publication US 2006/0033849 A1, Feb. 16, 2006
Int. Cl. G02B 26/00 (2006.01); G09G 3/34 (2006.01); G02F 1/13 (2006.01)
U.S. Cl. 359—296  [345/107; 345/48; 349/2] 30 Claims
OG exemplary drawing
 
1. An image display device characterized in that a liquid powder composed of a solid material stably floating as a dispersant in a gas and exhibiting a high fluidity in an aerosol state is sealed between opposed substrates, at least one substrate being transparent, and the liquid powder is moved,
wherein the liquid powder does not have a repose angle as an index indicating its fluidity.