Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Reexamination Certificate
2007-01-23
2010-06-01
Heyman, John (Department: 2871)
Liquid crystal cells, elements and systems
Particular structure
Having significant detail of cell structure only
C349S099000, C359S490020
Reexamination Certificate
active
07728928
ABSTRACT:
It is an object to provide a display device with the high contrast ratio by an easy method. In addition, it is an object to provide such a high performance display device at low cost. In a display device including a display element between a pair of light transmitting substrates, a layer including stacked polarizers is each provided on an outer side of the substrates. At that time, the stacked polarizers on a viewing side are arranged to deviate from a parallel nicol state. In addition, a retardation film may be provided between the stacked polarizers and the substrate.
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Egi Yuji
Ishitani Tetsuji
Nishi Takeshi
Fish & Richardson P.C.
Heyman John
Semiconductor Energy Laboratory Co,. Ltd.
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