摘要:
A liquid crystal display device includes a liquid crystal display panel which periodically performs graduation display and non-graduation display, a backlight which illuminates the liquid crystal display panel, and a light source control circuit which sets an illumination period that allows illumination of the backlight for the gradation display and drives the backlight unit during the illumination period. The light source control circuit is configured to drive the backlight intermittently during the illumination period in limiting the luminance of the backlight.
摘要:
A liquid crystal display apparatus includes crystal pixels, and a drive controller which makes the liquid crystal pixels hold a pixel voltage corresponding to a video signal for a first period and a non-video signal for a second period, and cyclically repeats the first and second periods, wherein the drive controller has a setting unit to set a value corresponding to the length of the second period, and a range changing unit to change a voltage range of a pixel voltage corresponding to the video signal corresponding to the value set, and the range changing unit changes a pixel voltage of a high luminance side and enlarges a pixel voltage range as a ratio of the second period to the first period is increased corresponding to the value, and changes a pixel voltage of a high luminance side and narrows a pixel voltage range as the ratio is decreased.
摘要:
A liquid crystal display device includes a plurality of liquid crystal pixels PX equipped with an OCB liquid crystal layer between a pair of substrates, color filters CF including red, green, and blue color layers allocated so as to overlap on the plurality of liquid crystal pixels, and a polarizing plate PL arranged at least at a viewing side in opposite to the liquid crystal pixels, wherein the blue color layer has a contrast that is greater than that of the green color layer.
摘要:
According to one embodiment, stereoscopic liquid crystal shutter glasses include a left-eye liquid crystal shutter and a right-eye liquid crystal shutter. Each of the left-eye liquid crystal shutter and the right-eye liquid crystal shutter has a response time not more than 5 milliseconds. Each of the left-eye liquid crystal shutter and the right-eye liquid crystal shutter has a contrast ratio not less than 350:1. The contrast ratio is a value at an angle of sight of 30 degrees in left direction and in right direction.
摘要:
A liquid crystal display device includes a reflective display part and a transmissive display part in each of a plurality of matrix-arrayed pixels. The 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 gradation display is performed in accordance with a pixel voltage which is applied to the liquid crystal layer of each pixel, a backlight which illuminates the liquid crystal display panel, a sensor unit which detects brightness of ambient light, and a voltage setting unit which sets the pixel voltage relative to each of input gradation levels, on the basis of the brightness that is detected by the sensor unit.
摘要:
According to one embodiment, stereoscopic liquid crystal shutter glasses include a left-eye liquid crystal shutter and a right-eye liquid crystal shutter. Each of the left-eye liquid crystal shutter and the right-eye liquid crystal shutter has a response time not more than 5 milliseconds. Each of the left-eye liquid crystal shutter and the right-eye liquid crystal shutter has a contrast ratio not less than 40:1. The contrast ratio is a value at an angle of sight of 35 degrees in all directions.
摘要:
In an embodiment of the invention for an OCB (Optically Compensated Bend)-mode liquid-crystal display (LCD) device, retardation and/or a predetermined voltage range, from which a voltage applied to pixels in a viewing area is selected, is set for the each pixel or for the pixels in each region of the viewing area such that: the luminance on each pixel monotonously increases or decreases with increase of voltage in the predetermined voltage range; the luminance in central portion of the viewing area becomes minimum at black displaying.
摘要:
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.
摘要:
A display apparatus includes a video signal converter unit which converts input video signals of n colors (n is an integer equal to or larger than 2) into converted video signals of at least (n+1) colors, a video signal generator unit which, on the basis of the input video signal of at least one color, generates converted video signals of new (n+1) colors with the luminance of two or more converted video signals being improved, a display panel which displays (n+1) images sequentially on the basis of the converted video signals of the new (n+1) colors, and a backlight which switches between light sources of (n+1) colors for illumination sequentially in accordance with the images displayed on the display panel.
摘要:
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