Liquid crystal cells – elements and systems – Liquid crystal system – Liquid crystal writing tablet
Reexamination Certificate
2006-08-01
2006-08-01
Ton, Toan (Department: 2871)
Liquid crystal cells, elements and systems
Liquid crystal system
Liquid crystal writing tablet
C349S058000, C349S122000, C178S018030, C345S173000
Reexamination Certificate
active
07084933
ABSTRACT:
A touch panel for a display device integrates functionality provided by capacitive-type and EM-type touch panels. The touch panel is integrated with the display device and includes a capacitive-type touch panel arranged above the display device and an EM-type touch panel arranged below the display device.
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patent: 2002/0130849 (2002-09-01), Ahn et al.
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patent: WO 02/075438 (2002-09-01), None
patent: WO 02/084876 (2002-10-01), None
IBM Technical Disclosure Bulletin UK—Issue No. 427, p. 1538—Nov. 1, 1999.
Hong Hee Jung
Oh Eui Yeol
Duong Tai
LG.Philips LCD Co. , Ltd.
McKenna Long & Aldridge LLP
Ton Toan
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