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Outdoor LCD
Smart Window
Switchable Window
Technology
 
NPD-LCD (Non-homogeneous Polymer Dispersed Liquid Crystal Display) is a new generation of LCD that fundamentally impacts traditional applications, and extends LCDís to outdoors. If you've never thought about outdoor LCD's, itís time to introduce yourself to NPD-LCD.
 
NPD-LCD fuses liquid crystal, non-linear polymers and optical technologies into a unique structure. NPD-LCD is a sunlight readable LCD and also capable of displaying information in darkness.  NPD-LCD has remarkable characteristics of having both normal (positive) and reverse (negative) modes and both glass and film type products. The normal mode NPD-LCD is milk white and can turn to clear under an electrical field; the reverse mode NPD-LCD is clear and can turn to milk white under an electrical field. The principal layer of NPD-LCD consists of liquid crystal micro droplets dispersed in a transparent non-linear polymer matrix. When the long axis of liquid crystals are perpendicular to the substrate, the display allows incident light through and appears clear; when parallel or off-perpendicular, the display scatters incident light and appears milky white. An electrical field may change and control the orientation of liquid crystals, which in turn changes the display states between transparent and scattering. Orientation of liquid crystals in a natural or uncharged state can be determined by a specially designed system of liquid crystals and polymers. Full color NPD-LCDís are also available.
 
Click here to demonstrate operation principle
 

 
Following the invention of NPD-LCD in the laboratory, Scienstry extended its innovations to the production process field and to the LCD production line equipment field. Our achievement in combining NPD-LCD and STN-LCD processes together allows LCD manufacturers to produce both types of LCD in one production line. Innovations, successful all the way from creative ideals to mass production, have shown Scienstryís extraordinary ability  

and leadership in the LCD industry, and have also shown our unique manner of business.

A single NPD layer laminated between ITO glass or film can show its full function, without the need for polarizers and polyimide alignment layers. Since NPD-LCD structure has been simplified nearly 50% in comparison to typical STN-LCD, material cost is reduced more than 50%, and manufacturing process is also shorted by 25%. These improvements make final products highly profitable, while able to retain competitive pricing at only a fraction of LEDís.

 

 

 

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NPD-LCD
PDLC
 

© Copyright 2006 Scienstry, Inc.


 

 

PDLC

Reverse Mode LCD

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