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Retardation films having single retardation value with variation
Filed: January 11th, 2007 [Granted]
Patent Number: 7969543
To be specific, the retardation value of a retardation plate mentioned in this invention is defined as the phase difference between the two orthogonal ...
Method of producing thermoplastic polycarbonate films having low optical ...
Filed: November 21st, 2002 [Granted]
Assignee: Bayer MaterialScience LLC
Patent Number: 6913714
Optical retardation values were determined using a SCA- 1500 instrument system from ... Optical retardation values are recited in units of nanometers (nm).
RETARDATION FILM HAVING UNIFORM IN-PLANE PHASE-DIFFERENCE VALUE AND ...
Filed: June 12th, 2009 [Pending]
Assignee: HWASEUNG Industries Co Ltd
Patent Application Number: 12483280
A retardation film comprising a stretched homo polypropylene resin having an isotactic index more than 85 percents, wherein a value subtracting an average ...
Reflective liquid crystal display device having a compensator with a ...
Filed: September 16th, 1994 [Granted]
Assignee: Sharp Kabushiki Kaisha
Patent Number: 5619356
In order to obtain 30 a satisfactory display when the retardation values An2d2 ... If the retardation value An2d2 is 0.45 um or more as is shown in FIGS.
Liquid crystal display with patterned retardation films
Filed: December 2nd, 1993 [Granted]
Assignee: OIS Optical Imaging Systems Inc
Patent Number: 5499126
The blue subpixel retardation film 50 deposited on the 15 blue optical filter 42 has a retardation value and preferably but not necessarily an ...
Retardation film made by using cellulose derivatives
Filed: August 26th, 2004 [Granted]
Patent Number: 7410680
Optical performance of a retardation film can be determined by retardation value which is calculated from a difference between a refractive index in the ...
RETARDATION PLATE AND FABRICATION METHOD THEREOF, AND PLATE FOR CIRCULARLY ...
Filed: May 17th, 2001 [Granted]
Assignee: Fuji Photo Film Co Ltd
Patent Number: 6812983
A retardation plate comprising a first layer which comprises a material including a positive intrinsic double refraction value and a second layer which ...
In-plane switching liquid crystal display comprising compensation film for ...
Filed: January 7th, 2005 [Pending]
Assignee: LG CHEM LTD
Patent Application Number: 11030312
The negative biaxial retardation film 12 is made of a stretched TAC film and has an in-plane retardation value (Rin) of 110 nm and a thickness-direction ...
