Feb 5, 1998 - 345/100. AND DATA PROCESSING DEVICE. 5,604,511 A ... Foreign Application Priority Data. It is an object to
USO0RE41216E
(19) United States (12) Reissued Patent
(10) Patent Number:
Ozawa (54)
(75)
(45) Date of Reissued Patent:
Apr. 13, 2010
METHOD AND APPARATUS FOR DRIVING
5,250,931 A
THE DISPLAY DEVICE, DISPLAY SYSTEM,
5,251,051 A * 10/1993 Fujiiyoshi et a1. ..
AND DATA PROCESSING DEVICE
5,604,511 A 5,625,373 A
2/1997 4/1997
5,739,816 A
4/1998 Kobayashiet a1.
345/204
5,796,384 A
8/1998
K'
............ ..
345/147
2/2000
Koyama ...... ..
345/58
_
Inventor‘
Tokumh Ozawa’ SuWa(JP)
.
.
5,764,216 A
.
(73) (21)
Asslgnee: se‘k" EPSO“ Corporatloni Tokyo (JP) APPLNO; 10/773’703
(22)
PCT Filed:
Feb. 28, 1997
(86)
PCT No.:
PCT/JP97/00609
§37l (c)(1), (2), (4) Date:
Feb. 5, 1998
5,933,199 A 5,940,057 A 6,023,257 A
(87)
US RE41,216 E
6,154,121 A
GB JP
PCT Pub. Date: Sep. 4, 1997
6/1998 Tanaka et a1.
8/1999 Y(l)I(1)1n .... .. 8/1999 Lien et a1.
345/100 .. . 345/98 345/58
348/674
348/674 345/89
* 11/2000 Cairns et a1. .............. .. 341/138
2-2l7-l28 A A 57-052228
10/1989 3/1982
JP
A 58-097918
6/1983
JP
A59-107628
6/1984
JP
A 62-10696
1/1987
(Continued)
Related US. Patent Documents
(30)
Ohl ................ .. Johnson .......... ..
FOREIGN PATENT DOCUMENTS
PCT Pub. No.: WO97/32295
Reissue of? (64) Patent NOJ Issued: Appl. No.: Filed:
10/1993 Misawa et a1. ............ .. 345/206
Primary ExamineriRichard Hjerpe Assistant ExamineriLeonid Shapiro (74) Attorney, A gent, 0r Firmwliff & Berridge, PLC
6,542,143 Apr- 1, 2003 08/945,522 Feb. 5, 1998
(57)
Foreign Application Priority Data
ABSTRACT
It is an object to provide a high-performance display element driving device or the like Which can be easily reduced in
Feb. 28, 1996
(51)
(JP) ........................................... .. 8-067304
Int CL
power Consumption and Scale' A display element driving
device (100) drives a liquid crystal serving as a capacitive
G09G 3/36
(200601)
display element. A'D/A converter (110) includes to Nth charge storage sect1ons (112-1) to (112-N) for rece1v1ng ?rst
(52)
us. Cl. ............................ .. 345/98; 345/92; 345/89;
F0 Nth digital data °°"‘?SP°nding an image Signal and Stor
(58)
345/205; 348/674; 348/792 Field of Classi?cation Search .................. .. 345/98,
glgclllaéges cordregpondlrlig 1to the values of the ?ritlét‘olNth lglta ‘a’ an F5‘ to ‘ conpecnon sect1ons ( ' )to
345/92 89 205 See a
lication ?le for Com lete Search histo’ ’ pp p ry'
(56)
(114-N) for electrlcally connectlng the ?rst to Nth charge storing sections (112-1) to (112-N) and an electrode line (130) to each other and discharging the stored charges to the
References Cited
electrode line (130)~at a given timing. In this manner, y-correctlon of a llquld crystal and D/A converslon can be
US. PATENT DOCUMENTS 4,845,482 A
4,873,516 A 5,017,914 A
simultaneously performed, and conversion from RGB to
7/1989 Howard et a1. .............. .. 345/58
10/1989 Castleberry *
w
and D/A Converslon can be slmuhaneously performed‘
345/58
5/1991 Uchida et a1. ............... .. 345/89
MAGE DIGITAL DATA
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ACCWULATIDN SECUON
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SECOND CONNECTTON SECTION
SECOND CHARGE
204
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US RE41,216 E Page 2
FOREIGN PATENT DOCUMENTS JP JP JP JP JP JP JP JP JP JP JP
U 63-82228 A 1-233919 A 3-35218 A 3-89393 A 3-190429 A 3-214818 A 4-11282 A 4-502520 A 4-195189 A 4-268818 A-04-314094
5/1988 9/1989 2/1991 4/1991 8/1991 9/1991 1/1992 5/1992 7/1992 9/1992 11/1992
JP
A 5-102857
4/1993
JP JP JP JP JP JP JP JP JP JP JP JP
A 5-281920 A 5-303080 A 6-059648 A 6-95619 A 6-152424 A 6-222741 A 6-268522 A-06-30l365 A 7-295520 A 7-295521 A 8-237125 A 8-286641
* cited by examiner
10/ 1993 11/1993 3/1994 4/1994 5/1994 8/1994 9/1994 10/1994 11/1995 11/1995 9/1996 11/1996
US. Patent
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DATA DRIVER
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US RE41,216 E
