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US Patent 6987550 Liquid crystal display device

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Contents

Is a
Patent
Patent
0

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
69875500
Patent Inventor Names
Kohki Takato0
Seiichi Nakamura0
Date of Patent
January 17, 2006
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Patent Application Number
106068330
Date Filed
June 27, 2003
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Patent Citations Received
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US Patent 12117621 Control of reflections of a display device
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US Patent 11892717 Marks for privacy display
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US Patent 11921367 Marks for privacy display
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US Patent 11977286 Observer-tracked privacy display
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US Patent 12013603 Pupillated illumination apparatus
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US Patent 12066717 Optical stack for switchable directional display
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US Patent 11874541 Directional display apparatus
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US Patent 11874576 Optical stack for privacy display
0
...
Patent Primary Examiner
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Robert Kim
0
Patent abstract

A liquid crystal display device including a liquid crystal layer, an alignment layer orientating the liquid crystal layer, and a driving circuit that drives the liquid crystal layer. The alignment layer is divided into a plurality of specified regions, each having a recognizable size. The orientation direction of adjacent regions is different from one another. This makes it difficult to resolve a displayed image from directions other than that from the front of the display, and instead a fixed pattern is seen when the display is viewed from directions other than that from the front. This fixed pattern can be chosen as desired and can be, e.g., a figure or a trade name of a product.

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