Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Reexamination Certificate
2005-08-05
2008-08-26
Dudek, James A (Department: 2871)
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
Reexamination Certificate
active
07417697
ABSTRACT:
A weather station has an MCU for evaluating weather information relating to an atmospheric parameter, a sensor for sensing the parameter for subsequent processing by the MCU, and an LCD display. The LCD display has a multi-layered structure including front and rear glass plates, liquid crystal material located between the plates in a pattern having a number of parts, a foremost transmissive polarizer, and a transflective polarizer behind the rear glass plate. There is also a color backing behind the rear polarizer, which has a number of regions in different colors and cover the liquid crystal pattern parts, so that the color regions are selectively revealed through the parts of the pattern as the parts of the pattern of the liquid crystal material are activated, thereby displaying the weather information in color.
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patent: 6449219 (2002-09-01), Hepp et al.
patent: 6532048 (2003-03-01), Matsui
patent: 6912018 (2005-06-01), Faris et al.
patent: 1 081 533 (2001-03-01), None
patent: 1 538 464 (2005-06-01), None
Dudek James A
IDT Technology Limited
Leydig , Voit & Mayer, Ltd.
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