Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Reexamination Certificate
2006-05-30
2006-05-30
Schechter, Andrew (Department: 2871)
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
C349S114000, C349S106000, C349S156000, C349S113000
Reexamination Certificate
active
07053974
ABSTRACT:
A transflective liquid crystal display device including: first and second transparent substrates facing each other with a reflective portion and a transmissive portion; gate and data lines over the first transparent substrate perpendicularly crossing each other and defining pixel regions; a thin film transistor connected to the gate and data lines in the pixel region; an insulator in the thin film transistor on the first substrate covering the gate line; a passivation layer in the reflection portion on the insulator and on the thin film transistor; a pixel electrode in the reflective and transmissive portions, wherein the pixel electrode contacts both the passivation layer in the reflective potion and the insulator in the transmissive portion; a reflector on the pixel electrode in the reflective portion; color filters on a rear surface of the second transparent substrate, the color filters having through holes; column spacers formed between the reflector and the color filters, each column spacer corresponding in position to each through hole; a common electrode under the color filters; and a liquid crystal layer interposed between the common electrode and the pixel electrode.
REFERENCES:
patent: 6215538 (2001-04-01), Narutaki et al.
patent: 6310672 (2001-10-01), Koike et al.
patent: 6323921 (2001-11-01), Kurauchi et al.
patent: 10-2000-10084736 (2001-09-01), None
patent: 10-2002-0032854 (2002-05-01), None
LG.Philips LCD Co. , Ltd.
Schechter Andrew
Wang George Y.
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