CHOLESTERIC LIQUID CRYSTAL DISPLAY DEVICE WITH NON- UNIFORMLY REFLECTING LAYER

Title:

CHOLESTERIC LIQUID CRYSTAL DISPLAY DEVICE WITH NON- UNIFORMLY REFLECTING LAYER

Document Type and Number:

WIPO Patent Application WO/2011/157979

Kind Code:

A3

Abstract:

A cholesteric liquid crystal display device (10) comprises a layer of cholesteric liquid crystal material (11) supported by at least one substrate (13; electrode layers (14,15) on opposite sides of the layer of cholesteric liquid crystal material (11); and a light absorptive or reflective layer (17) on the rear side of the layer of cholesteric liquid crystal material (11). To provide non- uniform reflection of light, there is a layer (18) of reflective flakes (19) on the front side of the light absorptive or reflective layer (17), or the reflective layer is shaped to be non-planar.

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Inventors:

COATES DAVID (GB)
ALKINS TONY ORLANDO (GB)

Application Number:

PCT/GB2011/000867

Publication Date:

March 01, 2012

Filing Date:

June 08, 2011

Export Citation:

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Assignee:

VERSATILE TECHNOLOGIES LTD (IL)
COATES DAVID (GB)
ALKINS TONY ORLANDO (GB)

International Classes:

G02F1/1335; G02F1/137

Foreign References:

US4217035A	1980-08-12
US4420224A	1983-12-13
US5746857A	1998-05-05

Attorney, Agent or Firm:

MERRYWEATHER, Colin Henry (14 South SquareGrays Inn, London WC1R 5LX, GB)

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