Optical: systems and elements – Single channel simultaneously to or from plural channels – By surface composed of lenticular elements
Reexamination Certificate
2005-06-29
2008-09-02
Dang, Hung (Department: 2873)
Optical: systems and elements
Single channel simultaneously to or from plural channels
By surface composed of lenticular elements
Reexamination Certificate
active
07420741
ABSTRACT:
An image display device is including a display panel in which a plurality of display units including at least pixels for displaying an image for a first point of view and a second point of view are arrayed in a matrix shape, a lens for distributing lights transmitted through pixels for the first point of view and lights transmitted through pixels for the second point of view into mutually different directions, and an illuminating member which is arranged on a back of the display panel and on whose face toward the display panel a plurality of convexes or concaves are formed, wherein a following formula is satisfied regarding the distance V between adjoining convexes or concaves in the illuminating member, where S is the distance between the pixels and the convexes or concaves, f is the focal distance of the lens, and L is the array cycle of the lensin-line-formulae description="In-line Formulae" end="lead"?V≦L×S/f.in-line-formulae description="In-line Formulae" end="tail"?
REFERENCES:
patent: 6239851 (2001-05-01), Hatazawa et al.
patent: 6335999 (2002-01-01), Winston et al.
patent: 2004/0041747 (2004-03-01), Uehara et al.
patent: 2004/0165264 (2004-08-01), Uehara et al.
patent: 2004/0169670 (2004-09-01), Uehara et al.
patent: 2004/0184146 (2004-09-01), Uehara et al.
patent: 2005/0099688 (2005-05-01), Uehara et al.
patent: 2005/0111100 (2005-05-01), Mather et al.
patent: 1248473 (2002-10-01), None
patent: 5-264991 (1993-10-01), None
patent: 7-72334 (1995-03-01), None
patent: 8-314034 (1996-11-01), None
patent: 11-52380 (1999-02-01), None
Nikkei Electronics, Jan. 6, 2003, No. 838, pp. 26-27.
Chihiro Masuda, “Three-Dimensional Display”, Sangyo Tosho Kabushiki Kaisha, p. 1.
Akira Tanaka, “The latest trend of backlights for liquid crystals”, Monthly Display, Jun. 1997, p. 75.
Japanese Office Action dated Oct. 23, 2007 with partial English translation.
Ikeda Naoyasu
Takanashi Nobuaki
Uehara Shin-Ichi
Dang Hung
McGinn IP Law Group PLLC
NEC Corporation
Patel Vipin M
LandOfFree
Image display device and portable terminal device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Image display device and portable terminal device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Image display device and portable terminal device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3980113