Patent application number | Description | Published |
20080291152 | LIQUID CRYSTAL DISPLAY APPARATUS AND DISPLAY METHOD - A liquid crystal display apparatus includes a display panel in which liquid crystal pixels, which are composed with use of an OCB mode liquid crystal, are arranged in a matrix, first and second backlights which illuminate the display panel, and driving control means for controlling the display panel, wherein light from the first backlight is emitted with an inclination of a predetermined angle in a first direction to a plane which is perpendicular to a display surface of the display panel and extends along an alignment direction of liquid crystal molecules, and light from the second backlight is emitted with an inclination of the predetermined angle to the plane, the first direction and the second direction being symmetric to each other with regard to the plane. | 11-27-2008 |
20080291372 | LIQUID CRYSTAL DISPLAY DEVICE - A transflective liquid crystal display device includes a liquid crystal display panel which is configured such that a liquid crystal layer is held between a pair of substrates, and to which an OCB mode is applied, and a pair of optical elements which are disposed on outsides of the liquid crystal layer, and optically compensate a retardation of the liquid crystal layer in a predetermined display state in which a voltage is applied to the liquid crystal layer, wherein the optical element is configured to include a circular polarization element including a polarizer and a first retardation plate which imparts a retardation of ¼ wavelength, and the first retardation plate has such wavelength dispersion characteristics as to establish a relationship, α1<1, where α1 is a ratio of an in-plane retardation Re430 at a wavelength of 430 nm to an in-plane retardation Re550 at a wavelength of 550 nm. | 11-27-2008 |
20090002578 | PROJECTION SYSTEM - A projection system which has a plurality of liquid-crystal displays each includes a display panel having a plurality of OCB-mode liquid-crystal pixels, and a control unit configured to control the display panel, and which synthesizes images of different colors, modulated by the display panels, thereby to display a color image, wherein each of the liquid-crystal displays includes a temperature sensor, and the control unit of each liquid-crystal display controls at least one condition of driving the display panel in accordance with the temperature detected by any one of the temperature sensors. | 01-01-2009 |
20090002609 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device having a reflective part and a transmissive part in each of a plurality of pixels which are arrayed in a matrix, includes a liquid crystal display panel which is configured such that a liquid crystal layer is held between a pair of substrates, and to which an OCB mode is applied, and a pair of optical elements which are disposed on outer surfaces of the liquid crystal display panel, respectively, and optically compensate a retardation of the liquid crystal layer in a predetermined display state in which a voltage is applied to the liquid crystal layer, wherein the optical element is configured to include a circular polarization element including a polarizer and a first retardation plate which is disposed between the polarizer and the liquid crystal display panel and imparts a retardation of 1/4 wavelength, and a second retardation plate which is disposed between the circular polarization element and the liquid crystal layer, and has refractive index anisotropy with a major axis being inclined to a normal line, and the optical element has a retardation in a thickness direction thereof. | 01-01-2009 |
20090009463 | LIQUID CRYSTAL DISPLAY DEVICE AND DRIVING METHOD OF LIQUID CRYSTAL DISPLAY DEVICE - A display device includes a circuit which is configured to execute such control that write of a non-video signal in pixels is executed in the first period, write of a video signal in the pixels is executed in the second period which partly overlaps the first period, write of the video signal, in the pixels is executed in the third period which partly overlaps the second period, the write of the non-video signal and the write of the video signal are alternately executed in units of one horizontal cycle or horizontal cycles in a period in which the first period overlaps the second period, and the write of the video signal corresponding to the second period and the third period are alternately executed in units of one horizontal cycle or horizontal cycles in a period in which the second period overlaps the third period. | 01-08-2009 |
20090033606 | LIQUID CRYSTAL DISPLAY APPARATUS AND METHOD OF DRIVING THE LIQUID CRYSTAL DISPLAY APPARATUS - A liquid crystal display includes pixels, driver circuits, and a control circuit. The control circuit sets, in a one-frame period, a first period and a second period shorter than the one-fame period and partly overlapping the first period. The control circuit controls the driver circuits, causing them to write non-video signals for the pixels in the first period, to write video signals for the driver circuits in the second period, and to write the non-video signals and the video signals alternately in units of one or more horizontal periods in a part of the first period, which overlaps the second period, and to output the non-video signals and the video signals alternately in units of one or more horizontal periods in a part of the first period, which does not overlap the second period, and to write the non-video signals in a period for writing non-video signals. | 02-05-2009 |
20090066899 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a liquid crystal display panel to which an OCB mode is applied, and an optical compensation element which optically compensates a retardation of the liquid crystal layer in a predetermined display state in which a voltage is applied to the liquid crystal layer. The optical compensation element includes a polarizer, a first retardation plate which is disposed between the polarizer and the liquid crystal display panel and in which discotic liquid crystal molecules are fixed in a state in which the discotic liquid crystal molecules are hybrid-aligned along a normal direction, and a second retardation plate which is disposed between the polarizer and the first retardation plate and has wavelength dispersion characteristics which are opposite to wavelength dispersion characteristics of an in-plane retardation in the liquid crystal layer. | 03-12-2009 |
20090073343 | LIQUID CRYSTAL DISPLAY APPARATUS - A liquid crystal display apparatus includes a display panel which a plurality of pixel lines each having a plurality of liquid crystal pixels, an illumination light source which illuminates the display panel, and a display control section which outputs a signal voltage sequentially to the pixel lines to write a video signal, and which controls ON/OFF of the illumination light source, wherein the display control section includes, a temperature detector which detects temperature information, and a timing control section which lights the illumination light source after a video signal writing operation into a predetermined pixel line is completed when the temperature information is a first temperature, and which lights the illumination light source before the video signal writing operation into a predetermined pixel line is completed when the temperature information is a second temperature that is lower than the first temperature. | 03-19-2009 |
20120038870 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes an OCB mode liquid crystal display panel, and an optical compensation element which is disposed outside of the liquid crystal display layer. The optical compensation element includes a polarizer plate, a first retardation plate which is disposed between the polarizer plate and the liquid crystal layer, and a second retardation plate which is disposed between the polarizer plate and the first retardation plate and has a biaxial refractive index anisotropy. The optical compensation element compensates a difference of a polarization state that differs between azimuth directions of light passing through the liquid crystal layer and compensates a shift of the polarization state of light, which passes through the retardation plate, from an azimuth direction of an absorption axis of the polarizer plate. | 02-16-2012 |
20120257125 | LIQUID CRYSTAL SHUTTER COMPONENT AND LIQUID CRYSTAL SHUTTER - According to one embodiment, a liquid crystal shutter component includes a first polarizer, a second polarizer, a liquid crystal layer, a first retardation layer, a second retardation layer, a third retardation layer and a fourth retardation layer. A liquid crystal orientation of the liquid crystal layer transitions between a plurality of bend orientation states. The retardation in the direction along the plane of the second retardation layer and the fourth retardation layer is 20 nm or more and 120 nm or less. The retardation along the first direction of the second retardation layer and the fourth retardation layer is 40 nm or more and 140 nm or less. | 10-11-2012 |
20120327352 | LIQUID CRYSTAL DISPLAY APPARATUS - According to one embodiment, a liquid crystal display apparatus includes a first substrate including a pixel electrode including comb-like projections extending in a first direction and arranged in a second direction substantially perpendicular to the first direction, a common electrode including comb-like projections extending in the first direction between the comb-like projections of the pixel electrode and arranged with a predetermined spacing from the comb-like projections of the pixel electrode, a second substrate arranged opposite to the first substrate, and a liquid crystal layer sandwiched between the first substrate and the second substrate. A space width between the comb-like projection of the pixel electrode and the comb-like projection of the common electrode of end portion in the second direction is greater than a space width between the comb-like projection of the pixel electrode and the comb-like projection of the common electrode in a center portion. | 12-27-2012 |
20130107184 | LIQUID CRYSTAL DISPLAY | 05-02-2013 |
20130113693 | LIQUID CRYSTAL DISPLAY - According to one embodiment, a display includes a first substrate including a scan line, a signal line, a pixel electrode including first electrodes extending substantially parallel to the signal line, a common electrode including second electrodes extending parallel to the first electrode between the first electrodes and arranged with a predetermined space between each second electrode and the adjacent first electrode, and a shielding portion at least arranged between the signal line and the first electrode arranged near the signal line, a second substrate including a light shielding layer having a width identical to a width of the shielding portion and arranged opposite the signal line, in a direction substantially orthogonal to the signal line, and a liquid crystal layer. | 05-09-2013 |
20130135187 | LIQUID CRYSTAL DISPLAY DEVICE - According to one embodiment, a liquid crystal display device includes a liquid crystal display panel, a first illumination unit configured to illuminate the liquid crystal display panel with light which is emitted in a first emission direction, a second illumination unit configured to illuminate the liquid crystal display panel with light which is emitted in a second emission direction different from the first emission direction, and a controller configured to control the liquid crystal display panel, the first illumination unit and the second illumination unit in a first display mode in which 3D display with power saving is effected, and in a second display mode in which 3D display with a wider viewing angle than in the first display mode is effected. | 05-30-2013 |
20130241975 | LIQUID CRYSTAL DISPLAY - According to one embodiment, a liquid crystal display includes first light sources disposed side by side in a scan direction, a first light guide to guide the light emitted from the first light sources in a first direction, second light sources disposed side by side in the scan direction, a second light guide to guide the light emitted from the second light sources in a second direction, and a light source driver to independently turn on and turn off the first and second light sources. The light source driver sequentially turns on and turns off the first light sources in a first period. The light source driver sequentially turns on and turns off the second light sources in a second period. | 09-19-2013 |
20130258241 | LIQUID CRYSTAL DISPLAY APPARATUS - According to one embodiment, a liquid crystal display apparatus includes a display panel, an illumination module which illuminates the display panel, a display controller which controls gradation display which corresponds to an image signal in a first subframe period, and non-gradation display which does not correspond to the image signal in a second subframe period, and performs control in a manner that scanning starting from an upper end and going toward center of the display panel and scanning starting from a lower end and going toward the center of the display panel are alternately performed, and an illumination controller which controls turning on/off of the illumination module. | 10-03-2013 |