Abstract: A display includes a ferroelectric liquid crystal material having an asymmetric polarity response property, a section which applies an image signal to a pixel of the material for every two fields forming one frame, and a controller which reverses the polarity of the signal in one frame period. Particularly, the controller is configured that the polarity of the signal is reversed in a selected one of first and second manners, the first manner initiating a signal amplitude change from a polarity in which a larger response of the material is obtainable, the second manner initiating a signal amplitude change from a polarity in which a smaller response of the material is obtainable, and the selected manner being smaller in the total of brightness deviation generated in a frame immediately after the change for each of predetermined brightness transitions.

Abstract: There is provided a liquid crystal display which is capable of preventing light from leaking out from the peripheral portion of pixels and which has a high display performance.

Abstract: There is provided a liquid crystal display which is capable of preventing light from leaking out from the peripheral portion of pixels and which has a high display performance.

Abstract: A liquid crystal display element including a first electrode substrate having a first transparent substrate, a first electrode formed on the first substrate, and a first alignment layer formed on the first substrate. The liquid crystal display element further includes a second electrode substrate having a second transparent substrate, a second electrode formed on the second substrate, and a second alignment layer formed on the second substrate. The liquid crystal display element also has a light modulating layer of a smectic liquid crystal material which is sandwiched between the first and second electrode substrates and which has a thresholdless voltage-transmittance characteristic and a spontaneous polarization of 120 nC/cm2 or less. Further, the polarity force component of the surface free energy of each of the first and second alignment layers is 13 dyn/cm or less.

Abstract: There is provided a liquid crystal display which is capable of preventing light from leaking out from the peripheral portion of pixels and which has a high display performance.

Abstract: A color shutter, comprising first, second and third polarizers, first and second retarders, first and second polarizing rotators, and at least one absorption type partial polarizer.

Abstract: Disclosed is a method for driving an active matrix type liquid crystal display device including a first electrode, a second electrode, and a liquid crystal layer interposed between the first and the second electrodes, and the liquid crystal layer having a larger polarization when a voltage of a first polarity is applied to the first electrode against the second electrode than that when a voltage of a second polarity different from the first polarity is applied to the first electrode against the second electrode, the method comprising dividing a frame into a first field and a second field, applying a first voltage of the first polarity to the first electrode during the first field, generating a second voltage from the first voltage by changing its polarity, a magnitude of the second voltage being modified by an amount of &Dgr;V(&Dgr;V≠0) based on a magnitude of the first voltage in a direction of the first polarity when the first voltage is not zero, and applying the second voltage to the first electrode du

Abstract: An image display system produces a color image by arranging a color shutter capable of time-divisionally switching a plurality of colors to be displayed, in front of a monochrome image display. This image display system comprises: a self-luminous image display part for time-divisionally displaying monochrome images corresponding to three primary colors; and a color display part for time-divisionally coloring and outputting the monochrome images which formed on the side of the light outgoing surface of the self-luminous image display part and which correspond to the three primary colors.

Abstract: A display includes a ferroelectric liquid crystal material having an asymmetric polarity response property, a section which applies an image signal to a pixel of the material for every two fields forming one frame, and a controller which reverses the polarity of the signal in one frame period. Particularly, the controller is configured that the polarity of the signal is reversed in a selected one of first and second manners, the first manner initiating a signal amplitude change from a polarity in which a larger response of the material is obtainable, the second manner initiating a signal amplitude change from a polarity in which a smaller response of the material is obtainable, and the selected manner being smaller in the total of brightness deviation generated in a frame immediately after the change for each of predetermined brightness transitions.

Abstract: There is provided a liquid crystal display element having a good display performance which is not influenced by the deterioration with the time course and the history of applied voltage. The liquid crystal display element comprises: a first electrode substrate having a first transparent substrate, a first electrode formed on the first substrate, and a first alignment layer formed on the first substrate; a second electrode substrate having a second transparent substrate, a second electrode formed on the second substrate, and a second alignment layer formed on the second substrate; and a light modulating layer of a smectic liquid crystal material which is sandwiched between the first and second electrode substrates and which has a thresholdless voltage-transmittance characteristic and a spontaneous polarization of 120 nC/cm2 or less, wherein the polarity force component of the surface free energy of each of the first and second alignment layers is 13 dyn/cm or less.

Abstract: A liquid crystal display device is an active matrix type liquid crystal display device using a liquid crystal material having spontaneous polarization induced by application of an electric field or inherent thereto and includes a driving circuit for simultaneously selecting and driving a desired number of scanning lines among a plurality of scanning lines and a voltage applying circuit for applying a desired voltage for alignment of the liquid crystal material to a common electrode.

Abstract: There is provided a liquid crystal display which is capable of preventing light from leaking out from the peripheral portion of pixels and which has a high display performance.

Abstract: A liquid crystal display device is an active matrix type liquid crystal display device using a liquid crystal material having spontaneous polarization induced by application of an electric field or inherent thereto and includes a driving circuit for simultaneously selecting and driving a desired number of scanning lines among a plurality of scanning lines and a voltage applying circuit for applying a desired voltage for alignment of the liquid crystal material to a common electrode.

Abstract: In a method for driving a liquid crystal display apparatus which includes liquid crystal having spontaneous polarization disposed between a plurality of pixel electrodes arranged in a matrix form and a common electrode disposed to face the pixel electrodes, the method for driving the liquid crystal display apparatus includes a polarity inversion of periodically inverting polarities of at least one part of voltages applied between the plurality of pixel electrodes and the common electrode, and a write-in operation of applying the voltages to the pixel electrodes to hold display voltages, respectively, corresponding to the applied voltages on the pixel electrode, wherein the polarity inversion is effected to satisfy the expression of TS/TF≧2 when a frame period is set to TF and a period for effecting the polarity inversion is set to TS.

Abstract: A pixel electrode is connected to a signal line via an n-channel TFT element for writing image signals and the pixel electrode is connected to an auxiliary storage capacitance line via p-channel TFT element for resetting the pixel electrode, wherein gate electrodes of the n-channel and p-channel TFT elements provided in a pixel region are commonly connected to a corresponding scanning line of the pixel region or to the corresponding scanning line and an adjacent scanning line, respectively.

Abstract: A liquid crystal display device comprises a first substrate, plural pixel electrodes arranged in rows and columns on the first substrate, plural switching elements, an end of the conduction path of each of the switching elements being connected to a corresponding one of the pixel electrodes, a second substrate that is opposed to the first substrate, a common electrode formed on the second substrate and opposed to the pixel electrodes, a liquid crystal material with spontaneous polarization sandwiched between the first and second substrates, plural signal line bundles arranged on the first substrate substantially parallel with one another along the columns, each of the signal line bundles comprising a predetermined number of signal lines and each of the signal lines being connected to the other end of the conduction path of each of selected switching elements arranged along a corresponding one of the columns, plural scanning lines arranged on the first substrate substantially parallel with one another along th

Abstract: An active matrix type liquid crystal display device comprises a liquid crystal layer using liquid crystal of a chiral smectic C phase or its sub-phase as a liquid crystal material, pixel electrodes provided on one side of the liquid crystal layer, a common electrode provided on the other side of the liquid crystal layer, switching elements for supplying a predetermined electric potential to the pixel electrodes, and at least two insulation layers, which are provided between the pixel electrode and the liquid crystal layer and between the common electrode and the liquid crystal layer and which include at least alignment films, a sum of values (d/.epsilon.) obtained by dividing a thickness d ?nm! of each insulation layer by a relative dielectric constant .epsilon. thereof at a frequency 1 kHz is set to be between 15 nm and 40 nm.

Abstract: It is an object of this invention to provide an active matrix type liquid crystal display which uses a ferroelectric liquid crystal or antiferroelectric liquid crystal, which has a high response speed, a wide angle of field, and a high contrast, and which does not cause a "step response" phenomenon.

Abstract: An LCD which having a high response speed, a wide viewing angle and a high contrast and capable of displaying high-quality gray-scale images at normal temperature. The LCD comprises an array substrate, a counter substrate opposing the array substrate, pixel electrodes arranged on the the array substrate in rows and columns, each connected to an active element, a first orientation film provided on the pixel electrodes, a counter electrode opposing the pixel electrodes, arranged on the counter substrate, a second orientation film provided on the counter electrode, rubbed in a direction slightly inclined to a direction in which the first orientation has been rubbed, and a layer of antiferroelectric liquid crystal sealed in a gap between the first and second orientation films, the antiferroelectric liquid crystal being a smectic liquid crystal which contains an antiferroelectric liquid crystal compound represented by R.sup.1 (O)--Zm--Y--E--COO--C*HX--R.sup.4.