Anisotropic retardation layers for display devices
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C09K-019/52
G02F-001/13
C07D-025/154
출원번호
US-0311087
(1999-05-13)
발명자
/ 주소
Sahouani Hassan
Vogel Kim Marie
출원인 / 주소
3M Innovative Properties Company
대리인 / 주소
Pechman
인용정보
피인용 횟수 :
16인용 특허 :
11
초록▼
The compound may be applied to a substrate to form a birefingent optical retardationdevice. The retardationdevice may be used in display devices such as computers and the like to correct the phase and polarization states of the display's emitted light and improve image quality at viewing angles away
The compound may be applied to a substrate to form a birefingent optical retardationdevice. The retardationdevice may be used in display devices such as computers and the like to correct the phase and polarization states of the display's emitted light and improve image quality at viewing angles away from the normal.
대표청구항▼
[ We claim:] [1.] An optical retardation plate comprising a layer of a composition on a substrate, wherein the layer comprises the following composition: [ STR 7 ] wherein R.sup.1, which may be the same or different, is a hydrophilic group selected from the group consisting of carboxylic, sulfonic,
[ We claim:] [1.] An optical retardation plate comprising a layer of a composition on a substrate, wherein the layer comprises the following composition: [ STR 7 ] wherein R.sup.1, which may be the same or different, is a hydrophilic group selected from the group consisting of carboxylic, sulfonic, sulfonamide and phosphate groups;R.sup.2, which may be the same or different, is selected from the group consisting of alkyl groups and hydrogen;R.sup.3 is selected from the group consisting of:(a) unsubstituted, positively charged heteroaromatic rings linked to the triazine backbone through a nitrogen atom in the R.sup.3 ring, with the proviso that R.sup.3 is not a pyridine ring, with X.sup.- as a counterion selected from the group consisting of Cl.sup.-, OH.sup.-, SO.sub.4 H.sup.-, CH.sub.3 COO.sup.-, and CF.sub.3 COO.sup.-, BF.sub.4.sup.-, PF.sub.6.sup.-, SbF.sub.6.sup.-, CH.sub.3 SO.sub.3.sup.-, CF.sub.3 SO.sub.3.sup.-, and PhCO.sub.2.sup.- --;(b) substituted, positively charged heteroaromatic rings linked to the triazine backbone through a nitrogen atom in the R.sup.3 ring, wherein the substituents for R.sup.3 are selected from the group consisting of alkyl, carboxyl, amino, alkoxy, thio, cyano, amide and ester groups, with X.sup.- as a counterion selected from the group consisting of Cl.sup.-, OH.sup.-, SO.sub.4 H.sup.-, CH.sub.3 COO.sup.-, and CF.sub.3 COO.sup.-, BF.sub.4.sup.-, PF.sub.6.sup.-, SbF.sub.6.sup.-, CH.sub.3 SO.sub.3.sup.-, CF.sub.3 SO.sub.3.sup.-, and PhCO.sub.2.sup.- ; and(c) unsubstituted, positively charged pyridine rings linked to the triazine backbone through the nitrogen atom in the R.sup.3 ring, with X.sup.31 as a counterion selected from the group consisting of SO.sub.4 H.sup.-, CH.sub.3 COO.sup.-, and CF.sub.3 COO.sup.-, BF.sub.4.sup.-, PF.sub.6.sup.-, SbF.sub.6.sup.-, CH.sub.3 SO.sub.3.sup.-, CF.sub.3 SO.sub.3.sup.-, and PhCO.sub.2.sup.-.
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이 특허에 인용된 특허 (11)
Strebel Elwood L. (St. Paul MN), 1,3-Bis-(carboxy-phenylamino)-s-triazines.
Kozaki Shuichi (Nara JPX) Ohnishi Hiroshi (Nara JPX) Yoshimizu Toshiyuki (Kyoto JPX), Liquid crystal display device comprising a retardation compensation layer having a maximum principal refractive index in.
Mazaki Hitoshi (Kawasaki JPX) Toyooka Takehiro (Yokohama JPX) Itoh Hiroyuki (Yokohama JPX), Liquid crystal polymer viewing angle compensator for liquid crystal display having its largest refractive index in the t.
Bocko, Peter L.; Chen, David; Cook, Glen B.; Coppola, Frank T.; Edwards, Victoria A.; Gillberg, Gunilla E.; Lapp, Josef C.; Rhoads, Randy L.; Tammaro, David A.; Vaddi, Butchi R., High-strength laminated sheet for optical applications.
Bocko, Peter L.; Chen, David; Cook, Glen B.; Coppola, Frank T.; Edwards, Victoria A.; Gillberg, Gunilla E.; Lapp, Josef C.; Rhoads, Randy L.; Tammaro, David A.; Vaddi, Butchi R., High-strength laminated sheet for optical applications.
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