Liquid crystal cells – elements and systems – Particular excitation of liquid crystal – Electrical excitation of liquid crystal
Reexamination Certificate
2006-09-13
2009-12-15
Font, Frank G (Department: 2883)
Liquid crystal cells, elements and systems
Particular excitation of liquid crystal
Electrical excitation of liquid crystal
C349S033000, C349S061000, C349S114000
Reexamination Certificate
active
07633572
ABSTRACT:
A liquid crystal display (LCD) includes a first substrate having an array of wiring lines and pixel regions. The pixel regions have pixel electrodes, thin film transistors with drain electrodes, and storage capacitors. The LCD also includes a second substrate having color filters, black matrices, opened regions to receive external light positioned in regions in which the black matrices are not positioned, and transparent common electrodes. Liquid crystal is between the first and second substrates. The opened regions correspond to first regions in which the drain electrodes and the pixel electrodes are connected and second regions in which the storage capacitors are positioned. In one embodiment, the liquid is driven in a normally white mode when the LCD is driven in a transmissive mode, and is driven in a normally black mode when the LCD is driven in a reflective mode.
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Heo Hae Jin
Hwang Won Mi
Kim Do Young
Kim Ghang
Park Ji Ryun
Blevins Jerry
Christie Parker & Hale LLP
Font Frank G
Samsung Mobile Display Co., Ltd.
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