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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Kando; Yasuhiko
Address:
Mobara, JP
No. of patents:
16
Patents:












Patent Number Title Of Patent Date Issued
RE34885 Liquid crystal polyimide alignment free of scattering domains March 28, 1995
A liquid crystal display element comprising a pair of substrates, a pair of electrodes provided on the respective substrates, at least one of which is transparent and a liquid crystal layer disposed between said substrates, the liquid crystal layer comprising a nematic liquid crystal, wh
5220447 Liquid crystal display device and phase plate therefor June 15, 1993
A liquid crystal display device comprising: a liquid crystal display element formed by holding, between two substrates at least one of which has a light-permeable electrode, a liquid crystal layer in which liquid crystal molecules of a nematic liquid crystal having positive dielectric
5067797 Liquid crystal display cell and process for producing the same November 26, 1991
A liquid crystal display cell, wherein orientation films are made of an organic polymer such as polyimide, polyamide, liquid crystal polymer having one or more mesogen groups in a main chain or side chain and produced by spreading an organic polymer solution on a water surface, is ex
4906073 Liquid crystal display device using nematic liquid crystal having twisted helical structure and March 6, 1990
In a liquid crystal display device, light transmitting through a liquid crystal layer is colored depending on the structural conditions of the liquid crystal display device. The phase of the transmission light is corrected by means of a phase correction plate to make the transmission
4815825 Liquid crystal display device March 28, 1989
A liquid crystal display device including a nematic liquid crystal composition having a twist angle of 160.degree. to 260.degree. of liquid crystal molecules and at least one compound of the formula: ##STR1## (m, n=1-7) further improved in time-multiplexability and display quality.
4781439 Liquid crystal polyimide alignment free of scattering domains November 1, 1988
A liquid crystal display element comprising a pair of substrates, a pair of electrodes provided on the respective substrates, at least one of which is transparent and a liquid crystal layer disposed between said substrates, the liquid crystal layer comprising a nematic liquid crystal, wh
4759614 Ferroelectric liquid crystal element with particular alignment film and a method for manufacturi July 26, 1988
The element comprises a pair of transparent substrates, a pair of light-transmitting electrodes each provided on the respective substrates, a ferroelectric liquid crystal layer disposed between the pair of substrates and orientation control films for the molecules of the ferroelectri
4759612 Twisted nematic type liquid crystal display device having a color polarizer to provide an achrom July 26, 1988
A liquid crystal display device comprises a liquid crystal layer sandwiched between upper and lower electrode substrates subjected to aligning treatment. The liquid crystal layer includes a nematic liquid crystal added with a chiral material and has a 160.degree.-360.degree. twisted
4693562 Liquid crystal display device September 15, 1987
A liquid crystal display device wherein a nematic liquid crystal having a positive dielectric anisotropy and added with a chiral material is sealed between a pair of upper and lower substrates so as to constitute a helical structure twisted within a range between 96.degree. and 108.degre
4664482 Liquid crystal display device having a chiral additive and angularly displaced polarizers May 12, 1987
A liquid crystal display device wherein a nematic liquid crystal having a positive dielectric anisotropy and added with a chiral material is sealed between a pair of upper and lower substrates so as to constitute a helical structure twisted within a range between 200.degree. and 260.degr
4653865 Liquid crystal display device March 31, 1987
A liquid crystal display device wherein a nematic liquid crystal having a positive dielectric anisotropy and added with a chiral material is sealed between a pair of upper and lower substrates so as to constitute a helical structure twisted within a range between 140.degree. and 250.degr
4653861 Liquid crystal display device March 31, 1987
A liquid crystal display device wherein a nematic liquid crystal having a positive dielectric anisotropy and added with a chiral material is sealed between a pair of upper and lower substrates so as to constitute a helical structure twisted within a range between 160.degree. and 200.degr
4652088 Liquid crystal display device March 24, 1987
A liquid crystal display device wherein a nematic liquid crystal having a positive dielectric anisotropy and added with a chiral material is sealed between a pair of upper and lower substrates so as to constitute a helical structure twisted within a range between 90.degree. and 160.degre
4381886 Liquid crystal display element May 3, 1983
A liquid crystal display element which may have a multi-layer structure comprising substrates having electrodes and liquid crystal orientation controlling films on the sides thereof facing a liquid crystal layer and one or more liquid crystal layers interposed between said substrates,
4269617 Process for the manufacture of liquid crystal display element May 26, 1981
A process for the manufacture of a liquid crystal container for a liquid crystal display element, which process comprises the steps of applying a low-melting glass frit paste to at least one of a pair of glass substrates, subjecting this glass substrate to primary firing in an open c
4252414 Liquid crystal display element February 24, 1981
In a liquid crystal display element having a twisted structure wherein the periphery of two transparent glass substrates having electrodes according to desired display patterns is sealed with a sealing medium and a liquid crystal is enclosed in the space thus produced, the one characteri










 
 
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