C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 47/04 (2006.01) C07D 487/22 (2006.01) C09B 47/067 (2006.01) C09B 47/18 (2006.01) C09B 67/00 (2006.01) G02B 5/20 (2006.01) G02F 1/13 (2006.01) G02F 1/1335 (2006.01) G02F 1/13357 (2006.01)
Patent
CA 2495484
The invention relates to novel liquid crystal displays comprising a broad backlight emission around 530 nm and a green colour filter containing a phthalocyanine colorant, most adequately tetrahydroxy- or tetraalkoxy- substituted but lacking solubilizing groups.
L'invention concerne de nouveaux afficheurs à cristaux liquides comprenant un rétroéclairage à émission puissante aux alentours de 530 nm, et un filtre couleur vert contenant un colorant phtalocyanine, présentant idéalement une substitution tétrahydroxy-ou tétraalcoxy, mais exempt de groupes de solubilisation.
de Keyzer Gerardus
Ekkundi Vadiraj Subbanna
Mudaliar Chandrasekhar Dayal
Yousaf Taher
Ciba Specialty Chemicals Holdings Inc.
Fetherstonhaugh & Co.
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