Liquid crystal display for enhancing reflection and method...

Details Liquid crystal display for enhancing reflection and method... Liquid crystal display for enhancing reflection and method...

2002-10-21

2008-03-11

Nelms, David (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S114000, C438S030000

Reexamination Certificate

active

07342622

ABSTRACT:
In an LCD for enhancing a reflection ratio, a second substrate faces the first substrate on which a pixel array is formed, a liquid crystal layer is interposed between the first and second substrates, an insulating layer on the first substrate includes first regions and second regions, where each of the second regions has a height difference relative to each of first regions, a base line of a first region forms an angle from about 5 to about 15 degrees with respect to a tangent line of a second region, an embossing pattern with a uniform and low stepped portion is formed by regulating an exposure amount applied to the organic insulating layer so that a reflection ratio is maximized and a distribution of the slopes of an embossing pattern is uniform, and the reflection ratio is enhanced in a specific direction by forming the embossing pattern with an asymmetric profile.

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patent: 2002/0135717 (2002-09-01), Liu

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