US 7,593,159 B2
Display device
Toshifumi Yokoyama, Osaka (Japan); Ken'ichi Kasazumi, Osaka (Japan); and Kazuhisa Yamamoto, Osaka (Japan)
Assigned to Panasonic Corporation, Osaka (Japan)
Appl. No. 10/573,990
PCT Filed Sep. 30, 2004, PCT No. PCT/JP2004/014791
§ 371(c)(1), (2), (4) Date Mar. 30, 2006,
PCT Pub. No. WO2005/031455, PCT Pub. Date Apr. 07, 2005.
Claims priority of application No. 2003-340426 (JP), filed on Sep. 30, 2003.
Prior Publication US 2007/0035826 A1, Feb. 15, 2007
Int. Cl. G03B 21/56 (2006.01)
U.S. Cl. 359—446 9 Claims
OG exemplary drawing
 
1. A display device comprising:
a unit for emitting coherent light and displaying an image; and
an image receiving part onto which coherent light can be projected, said image receiving part comprising at least two screens, at least one of the screens capable of being vibrated by an airflow supplied to at least one of a front surface or rear surface of said at least one screen.