Liquid crystal display device having columnar spacers formed...

Details Liquid crystal display device having columnar spacers formed... Liquid crystal display device having columnar spacers formed...

2011-08-16

2011-08-16

Robinson, Mark A (Department: 2883)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

Reexamination Certificate

active

07999903

ABSTRACT:
To implement a support layer which is smaller than in the prior art with a stable contact area with the spacers in columnar form even in the case where the spacers in columnar form are miniaturized.A liquid crystal display device is provided with: a first substrate; a second substrate; and a liquid crystal display panel having liquid crystal sandwiched between the above described first substrate and the above described second substrate, and characterized in that the above described second substrate has spacers in columnar form, the above described first substrate has a support layer in a region where the above described spacers in columnar form are formed, the above described support layer has: a first layer extending in a first direction; and a second layer formed on the above described first layer and extending in a second direction which crosses the above described first direction at an angle of 70° to 110°, and the surface of the above described spacers in columnar form on the above described first substrate side faces the portion where the above described first layer of the above described support layer and the above described second layer overlap. The above described first layer and the above described second layer of the above described support layer are rectangular in a plan view. The above described first layer is a semiconductor layer and the above described second layer is a metal layer.

REFERENCES:
patent: 6798486 (2004-09-01), Yanagawa et al.
patent: 7495739 (2009-02-01), Hirato et al.
patent: 7502090 (2009-03-01), Oh et al.
patent: 2005/0264749 (2005-12-01), Lee
patent: 2007/0098921 (2007-05-01), Liang et al.
patent: 2005-338770 (2005-12-01), None

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