WIPO logo
Mobile | Deutsch | Español | Français | 日本語 | 한국어 | Português | Русский | 中文 | العربية |
PATENTSCOPE

Search International and National Patent Collections
World Intellectual Property Organization
Search
 
Browse
 
Translate
 
Options
 
News
 
Login
 
Help
 
Machine translation
1. (WO2007011911) POLY(ARYLETHERIMIDES) FOR NEGATIVE BIREFRINGENT FILMS FOR LCDS
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2007/011911    International Application No.:    PCT/US2006/027782
Publication Date: 25.01.2007 International Filing Date: 18.07.2006
IPC:
C09K 19/00 (2006.01), G02B 1/08 (2006.01)
Applicants: AKRON POLYMER SYSTEMS [US/US]; 2990 Gilchrist Road, Suite 2100, Akron, Ohio 44305 (US) (For All Designated States Except US).
HARRIS, Frank [US/US]; (US) (For US Only).
SUN, Limin [CN/US]; (US) (For US Only).
ZHANG, Dong [CN/US]; (US) (For US Only).
CHENG, Stephen Z. D. [US/US]; (US) (For US Only)
Inventors: HARRIS, Frank; (US).
SUN, Limin; (US).
ZHANG, Dong; (US).
CHENG, Stephen Z. D.; (US)
Agent: MOXON, II, George W.; ROETZEL & ANDRESS, 222 South Main Street, Akron, Ohio 44308 (US)
Priority Data:
60/700,169 18.07.2005 US
Title (EN) POLY(ARYLETHERIMIDES) FOR NEGATIVE BIREFRINGENT FILMS FOR LCDS
(FR) POLY(ARYLETHERIMIDES) DESTINES A DES FILMS BIREFRINGENTS NEGATIFS POUR LCD
Abstract: front page image
(EN)A class of soluble poly(aryletherimides) (PAEIs) having flexible backbones, useful in the manufacture of polymeric optical films are disclosed. The poly(aryletherimides) are dissolved in organic solvents, such as ketones and ketone solvent mixtures and coated on variety of substrates such as triacetyl cellulose (TAC), to form clear thin-layer films which display negative birefringence. The thin films can serve as compensation layers in liquid crystal displays (LCDs), and can be combined with other types of optical films, such as polarizers, brightness enhancement films, or other compensation films, to from multi-layered films that are especially useful in the manufacture of LCDs.
(FR)L'invention concerne une classe de poly(arylétherimides) solubles (PAEI) possédant des squelettes souples et utiles dans la fabrication de films optiques polymères. Les poly(arylétherimides) sont dissous dans des solvants organiques, tels que des cétones et des mélanges de solvants de cétones et revêtus sur une palette de substrats, tels que la triacétyl-cellulose (TAC), de manière à former des films à couche mince clairs affichant une biréfringence négative. Les films minces peuvent servir de couches de compensation dans des affichages à cristaux liquides (LCD) et peuvent être combinés avec d'autres types de films optiques, tels que des polariseurs, des films d'amélioration de la brillance ou d'autres films de compensation, aux fins de formation de films multicouches spécialement utiles dans la fabrication de LCD.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LV, LY, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)