Title:
偏光素子、および、偏光板
Document Type and Number:
Japanese Patent JP5812483
Kind Code:
B2
Abstract:
[Solution] A polarizing element characterized in comprising a polyvinyl alcohol resin film formed by adsorbing at least one dichromatic pigment selected from a compound represented by formula (I), a salt thereof, or a transition metal complex, and performing stretching, the polyvinyl alcohol resin film having a degree of polymerization of 5,000 to 10,000 ( A represents a nitro group or an amino group; R 1 and R 2 each independently represents a hydrogen atom, a hydroxyl group, a lower alkyl group, a lower alkoxy group, a sulfo group, or a lower alkoxy group having a sulfo group; and X represents an benzoylamino group optionally having a substituent, an phenylamino group optionally having a substituent, an phenylazo group optionally having a substituent, or an naphthotriazole group optionally having a substituent, the substituent being a lower alkyl group, a lower alkoxy group, a sulfo group, an amino group, or a substituted amino group).
Inventors:
Noriaki Mochizuki
Application Number:
JP2011197600A
Publication Date:
November 11, 2015
Filing Date:
September 09, 2011
Export Citation:
Assignee:
NIPPON KAYAKU KABUSHIKI KAISHA
Pola Techno Co., Ltd.
Pola Techno Co., Ltd.
International Classes:
G02B5/30; C08J5/18; G02F1/1335
Domestic Patent References:
| JP5232316A | ||||
| JP11218610A | ||||
| JP5064765B2 |
Foreign References:
| WO2010095447A1 | ||||
| WO2010071094A1 | ||||
| WO2001006281A1 |
Attorney, Agent or Firm:
Yoshikazu Iwase
Makoto Ono
Kenkyo Kanayama
Mitsuaki Tsubokura
Kazuki Shigemori
Yasufumi Shiroyama
Makoto Ono
Kenkyo Kanayama
Mitsuaki Tsubokura
Kazuki Shigemori
Yasufumi Shiroyama
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