Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Reexamination Certificate
2005-04-05
2005-04-05
Chowdhury, Tarifur R. (Department: 2871)
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
C349S048000, C349S096000, C349S117000, C349S119000
Reexamination Certificate
active
06876418
ABSTRACT:
A liquid crystal display (LCD) device includes a first substrate having at least one pixel region and a black matrix, a common electrode beneath the first substrate, a first alignment layer beneath the common electrode, a first linear polarizer along an outer side surface of the first substrate, a second substrate having at least one pixel portion corresponding to the pixel region of the first substrate, the pixel portion being divided into first and second areas, gate and data lines provided on both the first and second areas of the second substrate, the gate and data lines crossing each other, a first switching element provided at a cross point of the gate and data lines within the first area, a second switching element formed at a cross point of the gate and data lines within the second area, a first pixel electrode within the first area connected to the first switching element, a second pixel electrode within the second area connected to the second switching element, a first retardation layer having a first phase retardation value formed beneath the first pixel electrode, a second retardation layer having a second phase retardation value different from the first phase retardation value formed beneath the second pixel electrode, a second alignment layer provided on the first and second pixel electrodes, a liquid crystal layer disposed between the first and second alignment layers, and a second linear polarizer provided along an outer side surface of the second substrate.
REFERENCES:
patent: 6169590 (2001-01-01), Abileah et al.
patent: 6603523 (2003-08-01), Nakamura et al.
patent: 6784963 (2004-08-01), Park
patent: 20040125295 (2004-07-01), Kim et al.
W.C. Yip, et al.IMDC. “Photo-induced alignment technologies for AMLCD manufacturing.” 2002, p. 147.
Chowdhury Tarifur R.
LG. Phillips LCD Co., Ltd.
Morgan & Lewis & Bockius, LLP
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