Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Peter van de Witte"'
Autor:
Dirk J. Broer, Sjoerd Stallinga, Titie Mol, Cindy Nieuwkerk, Jos van Haaren, Peter Van De Witte, Frans Leenhouts
Publikováno v:
SID Symposium Digest of Technical Papers. 31:842-845
A wide viewing angle AMLCD has been made in which the pixels are divided into two oppositely twisted domains using photoalignment. This wide viewing angle display uses only one discotic compensation film. The system was optimised by 2×2 Jones matrix
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::facc761aef7f2143fbcbb769a35bdfa5
https://doi.org/10.1889/1.1833085
https://doi.org/10.1889/1.1833085
Publikováno v:
Macromolecular Symposia. 154:1-14
Polymeric materials play an important role in the construction and performance of liquid crystal displays. New functional polymers are developed to improve the displays on brightness, power efficiency and viewing angle performance. Polymer films with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d43364c1baeee6f815d3c0ee0f9264b6
https://doi.org/10.1002/1521-3900(200004)154:1<1::aid-masy1>3.0.co
https://doi.org/10.1002/1521-3900(200004)154:1<1::aid-masy1>3.0.co
Autor:
Peter Van De Witte, Johan Lub
Publikováno v:
Liquid Crystals. 26:1039-1046
New low molar mass liquid crystalline vitrifying materials have been synthesized and tested for application in optical films. The molecules were based on spiro compounds derived from pentaerythrito...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::516ade465605a2410ae4b5d2f44095eb
https://doi.org/10.1080/026782999204381
https://doi.org/10.1080/026782999204381
Publikováno v:
Japanese Journal of Applied Physics. 38:748-754
Foils with a tilted optic axis can be used as compensation foils for active matrix twisted nematic displays. A method is described for preparing these foils. The method makes use of the differences in alignment for liquid crystals at the liquid cryst
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a95b5e20f8a8029a002647e0241f940f
https://doi.org/10.1143/jjap.38.748
https://doi.org/10.1143/jjap.38.748
Publikováno v:
Journal of Materials Chemistry. 9:2087-2094
An overview is given of the methods for preparation of birefringent films with patterned optical properties and their applications in liquid crystal displays. A versatile method of obtaining patterned films is based on manipulation of the helical twi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ec9537bbf2d7a2f8ffcc64aaef267e6f
https://doi.org/10.1039/a902593f
https://doi.org/10.1039/a902593f
Publikováno v:
Journal of Applied Physics, 85(11), 7517-7521. American Institute of Physics
A method for the production of polarization sensitive recordings in liquid crystalline polymers is presented. The system is based on local modification of the twist angle of chiral nematic polymer films. The twist angle of the polymer film is varied
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e8ac1d3428aa87e04424ca76ac3065bc
https://doi.org/10.1063/1.370548
https://doi.org/10.1063/1.370548
Publikováno v:
Advanced Materials. 10:1438-1441
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d762e55bc30704206c3ea6cbb30e179f
https://doi.org/10.1002/(sici)1521-4095(199812)10:17<1438::aid-adma1438>3.0.co
https://doi.org/10.1002/(sici)1521-4095(199812)10:17<1438::aid-adma1438>3.0.co
Publikováno v:
Liquid Crystals. 24:819-827
New photoisomerizable chiral dopants have been studied. The dopants used were menthone derivatives, a chiral stilbene derivative and a nematic copolymer of a menthone derivative and a benzoyloxybenzonitrile derivative. NMR, HPLC and UV results showed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dde99a89db02eba5f9b9c252e08b6d1b
https://doi.org/10.1080/026782998206632
https://doi.org/10.1080/026782998206632
Autor:
Jan Feijen, Peter van de Witte, Pieter J. Dijkstra, Peter J.A. in 't Veld, Jennie Hamhuis, Esther M. Velner
Publikováno v:
Journal of polymer science. Part A: Polymer chemistry, 35(2), 219-226. Wiley
AB block copolymers of e-caprolactone and (L)-lactide could be prepared by ring-opening polymerization in the melt at 110°C using stannous octoate as a catalyst and ethanol as an initiator provided e-caprolactone was polymerized first. Ethanol initi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a7a26f36c28e156a985f7172883546d
https://research.utwente.nl/en/publications/c1f5aaa5-e750-4c2c-8c06-96cce165a08f
https://research.utwente.nl/en/publications/c1f5aaa5-e750-4c2c-8c06-96cce165a08f
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