Optical film and manufacturing method thereof and substrate structure and display panel using the optical film
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United States of America Patent
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Dec 7, 2010
Grant Date -
Jul 17, 2008
app pub date -
Oct 5, 2007
filing date -
Jan 17, 2007
priority date (Note) -
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Abstract
A manufacturing method of an optical film is provided. The method includes the following steps. A substrate is provided first and a surface of the substrate is aligned or an alignment layer is formed on the substrate. Next, a defined pattern layer is formed on the aligned surface of the substrate or on a surface of the alignment layer at a first temperature. A first liquid crystal layer is then coated on the aligned surface of the substrate or the surface of the alignment layer to cover the defined pattern layer. Then, a first curing step is performed at a second temperature to enable the defined pattern layer and the first liquid crystal layer to form the optical film. A portion of the optical film having the defined pattern layer is characterized by a different liquid crystal alignment property from the other portion of the optical film.
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