Flat valley fresnel lens for a display device

Details Flat valley fresnel lens for a display device Flat valley fresnel lens for a display device

2006-09-05

2006-09-05

Perkey, W. B. (Department: 2851)

Optical: systems and elements

Projection screen

Unitary sheet comprising plural refracting areas

C359S449000, C359S459000, C359S460000, C353S066000, C353S078000

Reexamination Certificate

active

07102820

ABSTRACT:
A Fresnel lens for a display device is provided. The Fresnel lens includes a first sloped surface angled to receive input light, a second sloped surface facing the first sloped surface, and a valley floor linking the first sloped surface to the second sloped surface. The valley floor may be configured to scatter stray light reflected from the first sloped surface.

REFERENCES:
patent: 3485165 (1969-12-01), Hughes
patent: 3712707 (1973-01-01), Henkes, Jr.
patent: 4674836 (1987-06-01), Yata et al.
patent: 4729631 (1988-03-01), Takahashi et al.
patent: 4730897 (1988-03-01), McKechnie et al.
patent: 4773731 (1988-09-01), Goldenberg et al.
patent: 4880292 (1989-11-01), Kageyama et al.
patent: 4921330 (1990-05-01), Takahashi et al.
patent: 4927248 (1990-05-01), Sakakibara et al.
patent: 4936657 (1990-06-01), Tejima et al.
patent: 4979801 (1990-12-01), Park
patent: RE33795 (1992-01-01), Ogino
patent: 5100222 (1992-03-01), Minoura et al.
patent: 5302983 (1994-04-01), Sato et al.
patent: 5422691 (1995-06-01), Ninomiya et al.
patent: 5442413 (1995-08-01), Tejima et al.
patent: 5442484 (1995-08-01), Shikawa
patent: 5489940 (1996-02-01), Richardson et al.
patent: 5495306 (1996-02-01), Shibazaki
patent: 5699131 (1997-12-01), Aoki et al.
patent: 5710668 (1998-01-01), Gohman et al.
patent: 5716118 (1998-02-01), Sato et al.
patent: 5724195 (1998-03-01), Enomoto et al.
patent: 5760973 (1998-06-01), Kawamura
patent: 5796528 (1998-08-01), Mihara
patent: 5805359 (1998-09-01), Yamanashi
patent: 5818639 (1998-10-01), Furuya
patent: 5820240 (1998-10-01), Ohzawa
patent: 5833339 (1998-11-01), Sarayeddine
patent: 5870234 (1999-02-01), Ebbesmeier nee Schitthof
patent: 5923479 (1999-07-01), Nagata
patent: 5978051 (1999-11-01), Gohman et al.
patent: 5999332 (1999-12-01), Ohno
patent: 6016229 (2000-01-01), Suzuki
patent: 6018425 (2000-01-01), Nakabayashi et al.
patent: 6038085 (2000-03-01), Nakazawa
patent: 6046859 (2000-04-01), Raj
patent: 6052226 (2000-04-01), Takahashi
patent: 6053615 (2000-04-01), Peterson et al.
patent: 6081380 (2000-06-01), Ohshima et al.
patent: 6084707 (2000-07-01), Maruyama et al.
patent: 6088172 (2000-07-01), Sato
patent: 6111701 (2000-08-01), Brown
patent: 6123425 (2000-09-01), Ohzawa
patent: 6129552 (2000-10-01), Deshoux et al.
patent: 6137638 (2000-10-01), Yamagishi et al.
patent: 6144503 (2000-11-01), Sugano
patent: 6147812 (2000-11-01), Narimatsu et al.
patent: 6188523 (2001-02-01), Choi
patent: 6201647 (2001-03-01), Ohzawa
patent: 6236511 (2001-05-01), Brown
patent: 6273338 (2001-08-01), White
patent: 6299313 (2001-10-01), Hirata et al.
patent: 6301058 (2001-10-01), Nagahara
patent: 6307675 (2001-10-01), Abe et al.
patent: 6348993 (2002-02-01), Hori
patent: 6353509 (2002-03-01), Nakazawa
patent: 6366400 (2002-04-01), Ohzawa
patent: 6384987 (2002-05-01), Sensui
patent: 6396641 (2002-05-01), Hirata et al.
patent: 6400504 (2002-06-01), Miyata
patent: 6406150 (2002-06-01), Burstyn
patent: 6407859 (2002-06-01), Hennen et al.
patent: 6407860 (2002-06-01), Funazaki et al.
patent: 6416181 (2002-07-01), Kessler et al.
patent: 6417966 (2002-07-01), Moshrefzadeh et al.
patent: 6419365 (2002-07-01), Potekev et al.
patent: 6471359 (2002-10-01), Kim et al.
patent: 6473236 (2002-10-01), Tadic-Galeb et al.
patent: 6485145 (2002-11-01), Cotton et al.
patent: 6493032 (2002-12-01), Wallerstein et al.
patent: 6513935 (2003-02-01), Ogawa
patent: 6561649 (2003-05-01), Burstyn
patent: 6624952 (2003-09-01), Kuwa et al.
patent: 6626541 (2003-09-01), Sunaga
patent: 6652104 (2003-11-01), Nishida et al.
patent: 6752500 (2004-06-01), Yoshii et al.
patent: 6768594 (2004-07-01), Imafuku et al.
patent: 6788460 (2004-09-01), Knox et al.
patent: 6804055 (2004-10-01), Peterson et al.
patent: 6808271 (2004-10-01), Kurematsu
patent: 6813094 (2004-11-01), Kaminsky et al.
patent: 6853493 (2005-02-01), Kreitzer
patent: 6877862 (2005-04-01), Fukunaga et al.
patent: 6880934 (2005-04-01), Lee
patent: 6883920 (2005-04-01), Chen
patent: 2002/0008853 (2002-01-01), Sunaga
patent: 2002/0044263 (2002-04-01), Takeuchi
patent: 2003/0025885 (2003-02-01), Cotton et al.
patent: 2003/0038999 (2003-02-01), Knox et al.
patent: 2003/0053206 (2003-03-01), Togino
patent: 2003/0169513 (2003-09-01), Kaminsky et al.
patent: 2003/0231261 (2003-12-01), Bassi et al.
patent: 2004/0001254 (2004-01-01), Shimizu
patent: 2004/0227990 (2004-11-01), Peterson et al.
patent: 2989947 (1999-10-01), None
H. Kanayama et al., “A New LC Rear-Projection Display Based on the Aspherical Mirror Projection System,” IDW, 2000, pp. 1041-1044, Sanyo Electric Co., Ltd., Osaka Japan.
J. Ouellette, “Digital Displays with Micromirror Devices,” American Institute of Physics, Jun. 1997, pp. 9-11.
J. Shinozaki, et al. 15.3: A 50-in. Ultra-Slim Liquid-Crystal Rear Projector, SID 92 Digest, 1992, pp. 273-276, Seiko Epson Corp., Tokyo, Japan.

Affiliated with

Also associated with

Rating

Flat valley fresnel lens for a display 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 Flat valley fresnel lens for a display device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Flat valley fresnel lens for a display device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3612231