Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Reexamination Certificate
2007-07-31
2009-08-25
Font, Frank G (Department: 2883)
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
C349S104000, C349S106000, C349S108000, C349S109000
Reexamination Certificate
active
07580097
ABSTRACT:
An LCD panel is provided for improving reflection efficiency. The LCD panel includes a first substrate defining a plurality of unit pixels, each unit pixel comprising a red sub-pixel area, a green sub-pixel area, a blue sub-pixel area, and a white sub-pixel area; a second substrate defining a plurality of unit pixels, each unit pixel comprising a red sub-pixel area, a green sub-pixel area, a blue sub-pixel area, and a white sub-pixel area; a thin film transistor formed on the first substrate; a pixel electrode connected to the thin film transistor; a reflection electrode connected to the pixel electrode; red, green, and blue color filters formed in the red, green, and blue sub-pixel areas, respectively, of the second substrate; and a light hole formed in the first substrate exposing the white sub-pixel area of the second substrate and exposing at least a portion of a red sub-pixel area, a green sub-pixel area, or a blue sub-pixel area of the second substrate.
REFERENCES:
patent: 2006/0139522 (2006-06-01), Chang et al.
patent: 2007/0019142 (2007-01-01), Roh et al.
patent: 2005-141196 (2005-06-01), None
patent: 1020050037685 (2005-04-01), None
patent: 1020060034399 (2006-04-01), None
Lee Myung Hi
Moon Ji Hye
Rho Soo Guy
Yun Young Nam
Blevins Jerry
Font Frank G
Haynes and Boone LLP
Samsung Electronics Co,. Ltd.
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