Stock material or miscellaneous articles – Liquid crystal optical display having layer of specified...
Reexamination Certificate
2006-05-01
2008-11-25
Visconti, Geraldina (Department: 1795)
Stock material or miscellaneous articles
Liquid crystal optical display having layer of specified...
C428S001200, C349S176000, C252S299010, C430S020000, C430S270100
Reexamination Certificate
active
07455895
ABSTRACT:
The present invention relates to a polarizing liquid crystal film having no alignment layer and a method for manufacturing the same, a light guide plate integrated with the polarizing liquid crystal film, and a backlight unit. The polarizing liquid crystal film of the present invention includes an adhesive layer, a liquid crystal layer aligned on one side of the adhesive layer, and a protection film arranged on an opposite side of the adhesive layer to protect the liquid crystal layer. Further, the method for manufacturing a polarizing liquid crystal film includes preparing a liquid crystal alignment film, aligning liquid crystal on the liquid crystal alignment film, providing an adhesive layer on the liquid crystal, attaching a protection film protecting the liquid crystal on the adhesive layer, and exfoliating the liquid crystal alignment film. Furthermore, there is provided a light guide plate integrated with the polarizing liquid crystal film and a backlight unit including the same.
REFERENCES:
patent: 2007/0008460 (2007-01-01), Takeda et al.
Choi Seong Sik
Jang Tae Seok
Kim Sung Tae
Pak Hun Kyun
Cantor & Colburn LLP
Samsung Electronics Co,. Ltd.
Visconti Geraldina
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