Optical: systems and elements – Projection screen – Embedded particles
Reexamination Certificate
2007-02-06
2007-02-06
Perkey, W. B. (Department: 2851)
Optical: systems and elements
Projection screen
Embedded particles
C359S456000, C359S460000, C359S437000, C359S506000, C349S005000, C349S194000, C345S038000, C345S050000, C345S087000, C345S104000, C348S751000, C348S761000, C348S766000, C348S790000, C353S008000, C353S020000
Reexamination Certificate
active
11222777
ABSTRACT:
A liquid crystal display apparatus including: a liquid crystal display element having a liquid crystal layer between a couple of substrates; a backlight apparatus arranged at one side of the couple of substrates; a polarizer arranged between the liquid crystal display element and the backlight apparatus; a luminous intensity distribution control element arranged at the other side of the couple of substrates; an analyzer arranged between the liquid crystal display element and the luminous intensity distribution control element, wherein the luminous intensity distribution control element comprises a transparent base member, a plural lenses arranged on the transparent base member, and a light absorbing layer having small opening portions substantially at focal positions of an individual lens of the plural lenses, and the transparent base member is constituted of a transparent body substantially optically isotropic or a transparent body having uniaxial optical anisotropy.
REFERENCES:
patent: 5504598 (1996-04-01), Sprague et al.
patent: 5550656 (1996-08-01), Sprague et al.
patent: 5587816 (1996-12-01), Gunjima et al.
patent: 5629785 (1997-05-01), Valliath et al.
patent: 5712694 (1998-01-01), Taira et al.
patent: 6104454 (2000-08-01), Hiyama et al.
patent: 6261402 (2001-07-01), Watanabe et al.
patent: 6262840 (2001-07-01), Watanabe et al.
patent: 6469755 (2002-10-01), Adachi et al.
patent: 6650472 (2003-11-01), Adachi et al.
patent: 07-205323 (1995-08-01), None
patent: 08-006023 (1996-01-01), None
patent: 09-281483 (1997-10-01), None
patent: 09-318801 (1997-12-01), None
Adachi Masaya
Hiyama Ikuo
Minemura Tetsuro
Tsumura Makoto
Cruz Magda
Perkey W. B.
LandOfFree
Luminous intensity distribution control device and display... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Luminous intensity distribution control device and display..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Luminous intensity distribution control device and display... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3831955