ALIGNMENT LAYER FOR PHASE DIFFERENCE ELEMENT AND MANUFACTURING METHOD THEREOF, PHASE DIFFERENT ELEMENT AND MANUFACTURING METHOD THEREOF, AND DISPLAY DEVICE

Japanese Patent JP2011242740

A

To provide a phase difference element having a small deviation from a desired alignment direction and a display device comprising the same.

In a phase difference element 30, a phase difference layer 32 is formed on a surface of an alignment layer 31. The alignment layer 31 has such a structure that a non-oriented thin film 50 is formed on a surface of a substrate 40. The non-oriented thin film 50 is formed following surfaces of a plurality of fine grooves 42A, 42B formed on the surface of the substrate 40. Many molecules on a surface of the non-oriented thin film 50 do not have orientation and are oriented in random directions, which mitigates an influence on the phase difference layer 32 of the molecule orientation on the surface of the substrate 40 (particularly, the surfaces of the fine grooves 42A, 42B) which is a foundation.

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OBATA KEI
INOUE JUNICHI
KURIYAMA AKITO
SHIBATA AKIHIRO
ISHIKAWA KENTARO

JP2010163944A

December 01, 2011

July 21, 2010

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SONY CORP

G02B5/30; G02F1/13363; G02F1/1337

JPH09297310A	1997-11-18
JPH08174741A	1996-07-09
JP2008233412A	2008-10-02
JP2001242442A	2001-09-07

Yoichiro Fujishima
Yasushi Santanzaki
Masao Hasebe
Takaaki Tanaami

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