| Patent Number |
Title Of Patent |
Date Issued |
| 6091388 |
Method of driving optical modulation device |
July 18, 2000 |
| A driving method for an optical modulation device is applicable to driving of an optical modulation device, e.g. a liquid crystal device having a matrix electrode arrangement comprising a group of scanning electrodes, a group of signal electrodes oppositely spaced from the group of scann |
| 5886680 |
Method of driving optical modulation device |
March 23, 1999 |
| A liquid crystal apparatus comprises a liquid crystal device comprising a group of scanning electrodes and a group of signal electrodes intersecting each other to form an electrode matrix, and a chiral smectic liquid crystal disposed in a non-helical alignment state so as to form a pictu |
| 5877739 |
Driving method for optical modulation device |
March 2, 1999 |
| A driving method for an optical modulation device comprising matrix picture elements each formed at intersecting points of scanning lines and data lines between which a bistable optical modulation material represented by a ferroelectric liquid crsytal is interposed. The driving method co |
| 5847686 |
Driving method for optical modulation device |
December 8, 1998 |
| An optical modulation device comprises scanning electrodes and signal electrodes disposed opposite to and intersecting with the signal electrodes, and an optical modulation material disposed between the electrodes, a pixel being formed at each intersection of the electrodes and showi |
| 5841417 |
Method of driving optical modulation device |
November 24, 1998 |
| A liquid crystal apparatus includes a liquid crystal device having a group of scanning lines and a group of signal lines intersecting each other to form a matrix of picture elements, and a chiral smectic liquid crystal disposed so as to form the picture elements. The device is driven by: |
| 5831587 |
Method of driving optical modulation device |
November 3, 1998 |
| A liquid crystal apparatus includes a liquid crystal device having a group of scanning lines and a group of signal lines intersecting each other to form a matrix of picture elements, and a chiral smectic liquid crystal disposed so as to form the picture elements. The device is driven by: |
| 5825390 |
Method of driving optical modulation device |
October 20, 1998 |
| A liquid crystal apparatus includes a liquid crystal device having a group of scanning electrodes and a group of signal electrodes intersecting each other to form an electrode matrix, and a chiral smectic liquid crystal having a threshold voltage varying depending on a voltage pulse widt |
| 5812108 |
Method of driving optical modulation device |
September 22, 1998 |
| A driving method for an optical modulation device is applicable to driving of an optical modulation device, e.g. a liquid crystal device having a matrix electrode arrangement comprising a group of scanning electrodes, a group of signal electrodes oppositely spaced from the group of scann |
| 5790449 |
Method of driving optical modulation device |
August 4, 1998 |
| A liquid crystal apparatus includes a liquid crystal device having a group of scanning electrodes and a group of signal electrodes intersecting each other to form an electrode matrix, and a chiral smectic liquid crystal having a threshold voltage varying depending on a voltage pulse widt |
| 5774102 |
Driving method for optical modulation device |
June 30, 1998 |
| A driving method for an optical modulation device comprising matrix picture elements each formed at intersecting points of scanning lines and data lines between which a bistable optical modulation material represented by a ferroelectric liquid crystal is interposed. The driving method co |
| 5757350 |
Driving method for optical modulation device |
May 26, 1998 |
| A driving method for an optical modulation device comprising matrix picture elements each formed at intersecting points of scanning lines and data lines between which a bistable optical modulation material represented by a ferroelectric liquid crsytal is interposed. The driving method co |
| 5746939 |
Liquid crystal device |
May 5, 1998 |
| A liquid crystal device having a cell structure comprising a pair of base plates and a smectic liquid crystal having cholesteric phase at a higher temperature side; the ratio (P/d) of the spiral pitch of the cholesteric phase (P) to the spacing between the pair of base plates (d) is 0.5 |
| 5726460 |
Liquid crystal device |
March 10, 1998 |
| A liquid crystal device is constituted by (a) a pair of base plates each having an orientation control film thereon, and (b) a liquid crystal composition interposed between the base plates. The liquid crystal composition comprises a mixture including at least one liquid crystal compo |
| 5724114 |
Liquid crystal device with composition containing optically active material and material showing |
March 3, 1998 |
| A liquid crystal device is constituted by (a) a pair of base plates each having an orientation control film thereon, and (b) a liquid crystal composition interposed between the base plates. The liquid crystal composition comprises a mixture including at least one liquid crystal compo |
| 5724059 |
Method for driving optical modulation device |
March 3, 1998 |
| A method for driving an optical modulation device having a group of scanning electrodes and a group of signal electrodes arranged so that picture elements are defined at the intersections therebetween and a bistable optical modulation material assuming one of two stable states betwee |
| 5717419 |
Method for driving optical modulation device |
February 10, 1998 |
| A method for driving an optical modulation device having a group of scanning electrodes and a group of signal electrodes arranged so that picture elements are defined at the intersections therebetween and a bistable optical modulation material assuming one of two stable states applie |
| 5703614 |
Driving method for ferroelectric optical modulation device |
December 30, 1997 |
| An optical modulation device comprises scanning electrodes and signal electrodes disposed opposite to and intersecting with the signal electrodes, and an optical modulation material disposed between the electrodes, a pixel being formed at each intersection of the electrodes and showi |
| 5696526 |
Method of driving optical modulation device |
December 9, 1997 |
| A liquid crystal apparatus comprises a liquid crystal device including scanning electrodes and signal electrodes intersecting each other, and a chiral smectic liquid crystal disposed therebetween. The chiral smectic liquid crystal assumes a first orientation state when supplied with a |
| 5696525 |
Method of driving optical modulation device |
December 9, 1997 |
| A liquid crystal apparatus comprises a liquid crystal device comprising a group of scanning electrodes and a group of signal electrodes intersecting each other to form an electrode matrix, and a chiral smectic liquid crystal disposed so as to form a picture element at each intersection o |
| 5671033 |
Liquid crystal device having mixture of cholesteric and smectic liquid crystals and alignment tr |
September 23, 1997 |
| A liquid crystal device is constituted by (a) a pair of base plates each having an orientation control film thereon, and (b) a liquid crystal composition interposed between the base plates. The liquid crystal composition comprises at least two liquid crystal compounds including at le |
| 5648830 |
Liquid crystal device having composition of at least two smectic compounds and one cholesteric c |
July 15, 1997 |
| A liquid crystal device is constituted by (a) a pair of base plates each having an orientation control film thereon, and (b) a liquid crystal composition interposed between the base plates. The liquid crystal composition comprises at least two liquid crystal compounds including at le |
| 5638196 |
Driving method for optical modulation device |
June 10, 1997 |
| An optical modulation device comprises scanning electrodes and signal electrodes disposed opposite to and intersecting with the signal electrodes, and an optical modulation material disposed between the electrodes, a pixel being formed at each intersection of the electrodes and showi |
| 5633652 |
Method for driving optical modulation device |
May 27, 1997 |
| A method for driving an optical modulation device having a group of scanning electrodes and a group of signal electrodes arranged so that picture elements are defined at the intersections therebetween and a bistable optical modulation material assuming one of two stable states betwee |
| 5621427 |
Method of driving optical modulation device |
April 15, 1997 |
| A driving method for an optical modulation device is applicable to driving of an optical modulation device, e.g. a liquid crystal device having a matrix electrode arrangement comprising a group of scanning electrodes, a group of signal electrodes oppositely spaced from the group of scann |
| 5604614 |
Liquid crystal device with one liquid crystal showing a cholesteric phase and one showing a chir |
February 18, 1997 |
| A liquid crystal device is constituted by (a) a pair of base plates each having an orientation control film thereon, and (b) a liquid crystal composition interposed between the base plates. The liquid crystal composition comprises at least two liquid crystal compounds including at le |
| 5592315 |
Liquid crystal device and liquid crystal apparatus |
January 7, 1997 |
| A liquid crystal device is constituted by (a) a pair of base plates each having an orientation control film thereon, and (b) a liquid crystal composition interposed between the base plates. The liquid crystal composition comprises a mixture including at least one liquid crystal compo |
| 5592192 |
Method of driving optical modulation device |
January 7, 1997 |
| A liquid crystal apparatus comprises a liquid crystal device having scanning electrodes arranged in a matrix with and spaced apart from signal electrodes with a liquid crystal showing different stable states in accordance with different applied voltages and having a memory function d |
| 5582947 |
Glow discharge process for making photoconductive member |
December 10, 1996 |
| A photoconductive member, comprises a support for a photoconductive member and an amorphous layer which is constituted of silicon atoms as matrix containing at least one of hydrogen atom and halogen atom and exhibits photoconductivity, said amorphous layer having a layer region containin |
| 5568293 |
Liquid crystal display having trapezoidal color filters formed from a low-temperature curing pol |
October 22, 1996 |
| Surface Stability Ferroelectric Liquid Crystal Device having color filters assembled avoids, generation of alignment defect ocurring in the initial alignment control step by providing space of 0-5 microns between adjacent trapezoidal color filters having prescribed taper angle and thickn |
| 5565884 |
Method of driving optical modulation device |
October 15, 1996 |
| A driving method is provided for driving an optical modulation device. The device has picture elements arranged in the form of a matrix consisting of a plurality of rows and a plurality of columns defined by the intersections of scanning electrodes and signal electrodes, and a liquid |
| 5559616 |
Driving method for ferroelectric liquid crystal device with partial erasure and partial writing |
September 24, 1996 |
| A driving method for an optical modulation device comprising matrix picture elements each formed at intersecting points of scanning lines and data lines between which a bistable optical modulation material represented by a ferroelectric liquid crsytal is interposed. The driving method co |
| 5548424 |
Liquid crystal device having two resins films formed from solutions of different viscosities |
August 20, 1996 |
| A surface stability ferroelectric liquid crystal device has color filters with adjacent resin films. The resin films are provided by a first resin film and a second resin film, wherein the second resin film is formed with a resin solution having a viscosity higher than that of the first |
| 5548303 |
Method of driving optical modulation device |
August 20, 1996 |
| An optical modulation apparatus has a matrix electrode arrangement comprising scanning electrodes and signal electrodes oppositely spaced from the scanning electrodes. Scanning signals are selectively applied sequentially and periodically to the scanning electrodes and information si |
| 5500751 |
Ferroelectric liquid crystal color filter surrounded by a heat fusible resin |
March 19, 1996 |
| Surface Stability Ferroelectric Liquid Crystal Device having color filters assembled therein avoids generation of alignment defect ocurring in the initial alignment control step by providing space of 0-5 microns between adjacent color filters. |
| 5448383 |
Method of driving ferroelectric liquid crystal optical modulation device |
September 5, 1995 |
| A driving method for an optical modulation device is applicable to driving of an optical modulation device, e.g. a liquid crystal device having a matrix electrode arrangement comprising a group of scanning electrodes, a group of signal electrodes oppositely spaced from the group of scann |
| 5440412 |
Driving method for a ferroelectric optical modulation device |
August 8, 1995 |
| An optical modulation device includes scanning electrodes and signal electrodes disposed opposite to and intersecting with the signal electrodes, and an optical modulation material disposed between the electrodes, a pixel being formed at each intersection of the electrodes and showin |
| 5436743 |
Method for driving optical modulation device |
July 25, 1995 |
| A method for driving an optical modulation device of a group of scanning electrodes and a group of signal electrodes arranged so that picture elements are defined at the intersections therebetween and a bistable optical modulation material assuming one of two stable states between the |
| 5426525 |
Ferroelectric smectic liquid crystal device |
June 20, 1995 |
| A liquid crystal device is constituted by a pair of substrates; an alignment film comprising a polyimide which has a fluorine-containing substituent in its diamine-originated moiety, disposed on at least one of the pair of substrates and subjected to an aligning treatment; and a chir |
| 5422749 |
Ferroelectric smetic liquid crystal device |
June 6, 1995 |
| A liquid crystal device is constituted by a pair of substrates; an alignment film comprising a polyimide which has a fluorine-containing substituent in its carboxylic acid-originated moiety, disposed on at least one of the pair of substrates and subjected to an aligning treatment; and |
| 5418634 |
Method for driving optical modulation device |
May 23, 1995 |
| A driving method for an optical modulation device is applicable to driving of an optical modulation device, e.g., a liquid crystal device having a matrix electrode arrangement comprising a group of scanning electrodes, a group of signal electrodes oppositely paced from the group of scann |
| 5398126 |
Ferroelectric color liquid crystal device lacking alignment defects |
March 14, 1995 |
| Surface Stability Ferroelectric Liquid Crystal Device having color filters assembled therein avoids, generation of alignment defect ocurring in the initial alignment control step by providing space of 0-5 microns between adjacent color filters. |
| 5381254 |
Method for driving optical modulation device |
January 10, 1995 |
| A method for driving an optical modulation device having a group of scanning electrodes and a group of signal electrodes arranged so that picture elements are defined at the intersections therebetween and a bistable optical modulation material assuming one of two stable states applie |
| 5311343 |
Liquid crystal device with at least two liquid crystal compounds, one having and one not having |
May 10, 1994 |
| A liquid crystal device is constituted by (a) a pair of base plates each having an orientation control film thereon, and (b) a liquid crystal composition interposed between the base plates. The liquid crystal composition comprises a mixture including at least one liquid crystal compo |
| 5301049 |
Liquid crystal device with at least two liquid crystal compounds, one having one not having a ch |
April 5, 1994 |
| A liquid crystal device is constituted by (a) a pair of base plates each having an orientation control film thereon, and (b) a liquid crystal composition interposed between the base plates. The liquid crystal composition comprises at least two liquid crystal compounds including at le |
| 5296953 |
Driving method for ferro-electric liquid crystal optical modulation device |
March 22, 1994 |
| A driving method for an optical modulation device comprising matrix picture elements each formed at intersecting points of scanning lines and data lines between which a bistable optical modulation material represented by a ferroelectric liquid crystal is interposed. The driving method co |
| 5258250 |
Photoconductive member |
November 2, 1993 |
| A photoconductive member, comprises a support for a photoconductive member and an amorphous layer which is constituted of silicon atoms as matrix containing at least one of hydrogen atom and halogen atom and exhibits photoconductivity, said amorphous layer having a layer region containin |
| 5255110 |
Driving method for optical modulation device using ferroelectric liquid crystal |
October 19, 1993 |
| An optical modulation device includes scanning electrodes and signal electrodes disposed opposite to and intersecting with the signal electrodes, and an optical modulation material disposed between the electrodes, a pixel being formed at each intersection of the electrodes and showin |
| 5141836 |
Method of forming a photoconductive member with silicon, hydrogen and/or halogen and carbon |
August 25, 1992 |
| A photoconductive member, comprises a support for a photoconductive member and an amorphous layer which is constituted of silicon atoms as matrix containing at least one of hydrogen atom and halogen atom and exhibits photoconductivity, said amorphous layer having a layer region containin |
| 5132818 |
Ferroelectric liquid crystal optical modulation device and driving method therefor to apply an e |
July 21, 1992 |
| An optical modulation device includes scanning electrodes and signal electrodes disposed opposite to and intersecting with the signal electrodes, and an optical modulation material disposed between the electrodes, a pixel being formed at each intersection of the electrodes and showin |
| 5101289 |
Chiral smectic color display device with interval between color filters: color filter film thick |
March 31, 1992 |
| A chiral smectic liquid crystal color display device has plural non-overlapping color filters arranged at intervals such that 0.ltoreq.l/d.ltoreq.5 wherein l (.mu.m) is the interval between color filters and d (.mu.m) is the color filter film thickness. |
