Reflective liquid crystal display device

Details Reflective liquid crystal display device Reflective liquid crystal display device

2006-04-18

2006-04-18

Parker, Kenneth (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S038000

Reexamination Certificate

active

07030947

ABSTRACT:
A reflective liquid crystal display device includes first and second substrates spaced apart and facing each other, a gate line and a data line on an inner surface of the first substrate and crossing each other to define a pixel area, a thin film transistor electrically connected to the gate and data lines, a passivation layer covering the thin film transistor, a blocking layer on the passivation layer and corresponding to the thin film transistor, a pixel electrode on the passivation layer and connected to the thin film transistor, a retardation film on an outer surface of the first substrate, a polarizer on the retardation film, an absorption layer on an inner surface of the second substrate, a cholesteric liquid crystal color filter layer on the absorption layer, a common electrode on the cholesteric liquid crystal color filter layer, and a liquid crystal layer between the common electrode and the pixel electrode, wherein the data line overlaps adjacent pixel electrodes and a overlapping width is over 50% of a width of the data line.

REFERENCES:
patent: 5708485 (1998-01-01), Sato et al.
patent: 6084651 (2000-07-01), Yamahara et al.
Bahadur, Liquid Crystals 1990, World Scientific, vol. 1, pp. 178-181, 189, 190.

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