Search Images Maps Play YouTube News Gmail Drive More »
Advanced Patent Search | Page images | Web History | Sign in

Patents

  

Illllllllllllllllllllllllllllllllllllllllllllllllll

US007508357B2

(12) United States Patent

Wada et al.

(io) Patent No.: (45) Date of Patent:

US 7,508,357 B2 *Mar. 24, 2009

(54) COLOR DISPLAY DEVICE AND COLOR DISPLAY METHOD

(75) Inventors: Osamu Wada, Ina (JP); Junichi Nakamura, Shiojiri (JP)

(73) Assignee: Seiko Epson Corporation, Tokyo (JP)

( * ) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S.C. 154(b) by 0 days.

This patent is subject to a terminal disclaimer.

(21) Appl.No.: 12/003,583

(22) Filed: Dec. 28, 2007

(65) Prior Publication Data

US 2008/0204364 Al Aug. 28, 2008

Related U.S. Application Data

(63) Continuation of application No. 11/727,509, filed on Mar. 27, 2007, now Pat. No. 7,333,074, which is a continuation of application No. 11/110,675, filed on Apr. 21, 2005, now Pat. No. 7,224,328, which is a continuation of application No. 09/601,246, filed as application No. PCT/JP99/06746 on Dec. 1, 1999, now Pat. No. 6,972,736.

(30) Foreign Application Priority Data

Dec. 1, 1998 (JP) 10-342217

Dec. 1, 1998 (JP) 10-342218

(51) Int. CI.

G09G 3/00 (2006.01)

(52) U.S. CI 345/32; 345/88

(58) Field of Classification Search 345/32,

345/88; 349/106; 353/84; 348/743 See application file for complete search history.

[merged small][merged small][merged small][table][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small]

IMAGE INPUT

[graphic]

Page 2

FOREIGN PATENT DOCUMENTS JP A 08-152598 6/1996

JP 08-317380 11/1996

EP 0 749 248 Al 12/1996 JP A 08-304720 11/1996

JP A-7-199149 8/1995 JP A-10-254390 9/1998

JP A-10-254390 9/1995 JP A 10-254390 9/1998

JP 8-51633 2/1996 JP A-10-326080 12/1998

JP 08-160382 6/1996 JP A-ll-239359 8/1999

[graphic]
[merged small][graphic]

0.1 0.2 03 0.5 1 2 3 4 5 6 10

COLOR SPACE FREQUENCY ( c p d )

« PreviousContinue »