Number | Name | Date | Kind |
---|---|---|---|
3900248 | Nagasaki | Aug 1975 | |
4385806 | Fergason | May 1983 | |
4436379 | Funada et al. | Mar 1984 | |
4632514 | Ogawa et al. | Dec 1986 | |
4652088 | Kando et al. | Mar 1987 | |
4674841 | Buzak | Jun 1987 | |
4686519 | Yoshida et al. | Aug 1987 | |
4693562 | Hasegawa et al. | Sep 1987 | |
4701028 | Clerc et al. | Oct 1987 | |
4844569 | Wada et al. | Jul 1989 | |
4852976 | Suzuki | Aug 1989 | |
4889412 | Clerc et al. | Dec 1989 | |
4909606 | Wada et al. | Mar 1990 | |
4957349 | Clerc et al. | Sep 1990 | |
4973137 | Kozaki | Nov 1990 | |
4984873 | Takiguchi et al. | Jan 1991 | |
4984874 | Yamamoto et al. | Jan 1991 | |
4991941 | Kalmanash | Feb 1991 | |
4995704 | Yamamoto et al. | Feb 1991 | |
5018839 | Yamamoto et al. | May 1991 | |
5032008 | Yamamoto et al. | Jul 1991 | |
5071997 | Harris | Dec 1991 | |
5107356 | Castleberry | Apr 1992 | |
5124824 | Kozaki et al. | Jun 1992 | |
5132826 | Johnson et al. | Jul 1992 | |
5136405 | Wada et al. | Aug 1992 | |
5138474 | Arakawa | Aug 1992 | |
5150235 | Haim et al. | Sep 1992 | |
5150237 | Iimura et al. | Sep 1992 | |
5157529 | Koopman et al. | Oct 1992 | |
5179457 | Hirataka et al. | Jan 1993 | |
5184236 | Miyashita et al. | Feb 1993 | |
5189538 | Arakawa | Feb 1993 | |
5194975 | Akatsuka et al. | Mar 1993 | |
5196953 | Yeh et al. | Mar 1993 | |
5227903 | Miyazawa et al. | Jul 1993 | |
5229039 | Ikeda et al. | Jul 1993 | |
5231521 | Johnson et al. | Jul 1993 | |
5237438 | Miyashita et al. | Aug 1993 | |
5241408 | Ishikawa et al. | Aug 1993 | |
5250214 | Kanemoto et al. | Oct 1993 | |
5344916 | Harris et al. | Sep 1994 | |
5369513 | Akatsuka et al. | Nov 1994 |
Number | Date | Country |
---|---|---|
0349900 | Jan 1990 | EPX |
0367616 | May 1990 | EPX |
0576931 | Jan 1994 | EPX |
55-45037 | Mar 1980 | JPX |
3-13916 | Jan 1991 | JPX |
2171549 | Aug 1986 | GBX |
Entry |
---|
"Wide Viewing Angle LCD Using Retardation Films" by Yamagishi et al, Japan Display '89, pp. 316-319. |
"The Symmetry Property of a 90 Degree Twisted Nematic Liquid Crystal Cell," by A. Lien. |