Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yuji Egi0
Takeshi Nishi0
Tetsuji Ishitani0
Date of Patent
September 28, 2010
Patent Application Number
11613654
Date Filed
December 20, 2006
Patent Primary Examiner
Patent abstract
A display device with a higher contrast ratio is provided. The display device is provided with stacked polarizing plates arranged displaced from a parallel nicol state. Moreover, in the display device, at least one of a pair of stacked polarizing plates is displaced from a parallel state. The pair of stacked polarizing plates is arranged in a cross nicol state. A retardation plate may be provided between the polarizing plate and the substrate. As a result, the contrast ratio can be increased.
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