Liquid crystal cells – elements and systems – Liquid crystal system – Liquid crystal writing tablet
Reexamination Certificate
2005-09-12
2011-10-04
Briggs, Nathanael R (Department: 2871)
Liquid crystal cells, elements and systems
Liquid crystal system
Liquid crystal writing tablet
C349S001000, C349S129000, C345S173000
Reexamination Certificate
active
08031273
ABSTRACT:
A first transparent electrode film, which is a component of a SW-LCD for viewing angle control, is used as a touch panel. When a contacting object contacts the surface of the first transparent electrode film, a position detector detects currents flowing from plural parts of the first transparent electrode film so as to detect the contacting position of the contacting object, with reference to the detection result. With this, it is possible to provide a built-in touch sensor display device which is thin, lightweight, and low-cost, a viewing angle control device, and an electronic device.
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Fukushima Hiroshi
Imai Akira
Takatani Tomoo
Yabuta Koji
Briggs Nathanael R
Keating & Bennett LLP
Sharp Kabushiki Kaisha
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