Abstract: A liquid crystal display device having a direct backlight which uses a high-bright light source achieves both of a high efficiency and thin uniformity. In a liquid crystal display device which includes a liquid crystal panel, and a backlight unit which is arranged on a side of the liquid crystal panel opposite to a display screen of the liquid crystal panel, the backlight unit includes a housing, a plurality of light sources arranged in the inside of the housing, and a diffusion plate which is arranged between the plurality of light sources and the liquid crystal panel, the diffusion plate includes a plurality of light blocking regions at positions corresponding to the plurality of respective light sources, and the light blocking region at a center portion of the housing and the light blocking region at an edge portion of the housing exhibits transmissivities different from each other.

Abstract: An afterimage produced when a hold response display is used in an I/P conversion display mode is reduced.

Abstract: A liquid crystal display device includes a liquid crystal display element, a frame member having a frame-shaped part which is arranged at a displaying surface side of the liquid crystal display element and having a display window exposing a displaying surface of the liquid crystal display element, and a side wall which is extended from the frame-shaped part along a thickness direction of the liquid crystal display element. A light source is arranged opposite to another surface of the liquid crystal display element which is opposite to the displaying surface thereof and irradiates the another surface of the liquid crystal display element with illumination light. A housing member which houses the light source has a main surface opposite to a frame-shaped part of the frame member and a side wall formed at a periphery of the main surface thereof.

Abstract: In the method for driving a liquid crystal display device which has a plurality of picture elements or “pixels” and a drive circuit for outputting to each pixel a gradation voltage selected from among M (M?2) gradation voltages, the polarity of a gradation voltage that is outputted from the drive circuit to each pixel is inverted for every N (N?2)-line group, while letting the voltage value of an m (1?m?M)-th gradation voltage to be outputted from the drive circuit to each pixel be different between the time when outputting it to the pixels on the first line immediately after the polarity inversion and the time when outputting it to the pixel on a line which is subsequent to the first line, immediately after the polarity inversion, and whose polarity is not inverted.

Abstract: A liquid crystal display device includes a liquid crystal display element, a frame member arranged at a displaying surface side of the liquid crystal display element and having a display window, a light source arranged at an opposite surface of the liquid crystal display element to the displaying surface thereof for irradiating the liquid crystal display element, and a housing member having a side wall formed at a periphery thereof and housing the light source therein. The frame member is fixed to the housing member and has a side wall opposite to an outer surface of the side wall of the housing member, and a screw member has a tapped hole in which a fitting screw is screwed.

Abstract: A liquid crystal display device includes a first substrate, a second substrate, and a liquid crystal supported between the first substrate and the second substrate. A signal line, a pixel electrode, and a thin film transistor are formed on the first substrate and electrically connected to the signal line and the pixel electrode, and a drain driver supplies a gray scale voltage to the pixel electrode. Plural voltage-dividing resistance elements are formed on the first substrate, and supply plural gray scale reference voltages to the drain driver. The plural voltage-dividing resistance elements and the signal line are constructed of a same wiring material.

Abstract: In a display device in which each pixel includes a thin film transistor which is turned on in response to a scanning signal from a gate signal line, and an electrode to which a video signal from a drain signal line is supplied through the thin film transistor, the scanning signal allows a voltage level thereof which turns on the thin film transistor to have a valley portion which decreases the voltage level in a midst portion thereof, and the decreased voltage level of the valley portion is set to a value which is equal to or more than a voltage level which turns off the thin film transistor.

Abstract: A liquid crystal display device includes a liquid crystal display element, a frame member having a frame-shaped part which is arranged at a displaying surface side of the liquid crystal display element and having a display window exposing a displaying surface of the liquid crystal display element, and a side wall which is extended from the frame-shaped part along a thickness direction of the liquid crystal display element. A light source is arranged opposite to another surface of the liquid crystal display element which is opposite to the displaying surface thereof and irradiates the another surface of the liquid crystal display element with illumination light. A housing member which houses the light source has a main surface opposite to a frame-shaped part of the frame member and a side wall formed at a periphery of the main surface thereof.

Abstract: A liquid crystal display device includes a liquid crystal display element, a frame member arranged at a displaying surface side of the liquid crystal display element and having a display window, a light source arranged at an opposite surface of the liquid crystal display element to the displaying surface thereof for irradiating the liquid crystal display element, and a housing member having a side wall formed at a periphery thereof and housing the light source therein. The frame member is fixed to the housing member and has a side wall opposite to an outer surface of the side wall of the housing member, and a screw member has a tapped hole in which a fitting screw is screwed.

Abstract: A liquid crystal display device includes a first substrate, a second substrate, and liquid crystals interposed between the first and second substrates. A plurality of drain driver semiconductor chips is mounted on the first substrate so as to extend substantially in parallel with one edge of the first substrate, and a drain wiring layer for supplying voltage includes first spaced sections arranged on the first substrate so as to extend substantially in parallel with one edge of the first substrate. Each of the plurality of drain driver semiconductor chips has a bump electrode formed on respective ones of the plurality of drain driver semiconductor chips, and the bump electrode extends substantially in parallel with the another edge of the first substrate. Each end of the bump electrode of the plurality of drain driver semiconductor chips is connected to an end of adjacent first spaced sections of the drain wiring layer.

Abstract: In a liquid crystal display device formed of a plurality of a liquid crystal display elements in which a liquid crystal material is supported between first and second substrates, plural semiconductor chips for operating the liquid crystal display elements, and a power source circuit, a resistance voltage-dividing circuit is mounted on a peripheral portion along one side of the first substrate, which resistance voltage-dividing circuit divides the voltage supplied from the power source circuit and supplies the divided voltage to each of the semiconductor chips. This allows the resistance voltage-dividing circuit to be easily modified, so that the period until the product forwarding of the liquid crystal display devices is shortened without increasing the cost even after various kinds of design changes have been implemented.

Abstract: In a liquid crystal display comprising a plurality of pixels each of which has an switching element, a plurality of drain drivers and gate drivers for operating the switching elements and the pixels, and a plurality of drain lines and gate lines supplying signals from the drain drivers and the gate drivers to the switching elements being formed on one of a pair of substrates sandwiching a liquid crystal layer, the present invention provides wiring lines formed on the one of a pair of substrates for transferring display data signals and a clock signal between each pair of the plurality of drain drivers adjacent to one another, and provides at least one gate circuit for at least one of the plurality of drain drivers which is controlled by the clock signal and switches the display data signals and the clock signal either (1) to be acquired by the at least one of the plurality of drain drivers or (2) to be transferred to another of the plurality of drain drivers arranged adjacent to the at least one of the plural

Abstract: A liquid crystal display device includes a liquid crystal display element, a frame member having a frame-shaped part which is arranged at a displaying surface side of the liquid crystal display element and having a display window exposing a displaying surface of the liquid crystal display element, and a side wall which is extended from the frame-shaped part along a thickness direction of the liquid crystal display element. A light source is arranged opposite to another surface of the liquid crystal display element which is opposite to the displaying surface thereof and irradiates the another surface of the liquid crystal display element with illumination light. A housing member which houses the light source has a main surface opposite to a frame-shaped part of the frame member and a side wall formed at a periphery of the main surface thereof.

Abstract: A liquid crystal display device includes a liquid crystal display element, a frame member arranged at a displaying surface side of the liquid crystal display element and having a display window, a light source arranged at an opposite surface of the liquid crystal display element to the displaying surface thereof for irradiating the liquid crystal display element, and a housing member having a side wall formed at a periphery thereof and housing the light source therein. The frame member is fixed to the housing member and has a side wall opposite to an outer surface of the side wall of the housing member, and a screw member has a tapped hole in which a fitting screw is screwed.

Abstract: In a display device which displays a black image by periodically inserting a black image, after the display of the black image, a first period in which a video signal different from a video signal for the black image is outputted to video signal lines is made different from a succeeding period in length.

Abstract: A wavelength division multiplex optical star coupler comprises an input port which inputs a first optical signal, a first optical coupler which divides the first optical signal input from the input port into a plurality of first optical signals, a plurality of input/output ports, each of which outputs one of the plurality of first optical signals divided by the first optical coupler and inputs a second optical signal, an output port which outputs the second optical signal, and a second optical coupler, provided between the input port and the first optical coupler or between the first optical coupler and the input/output ports, which provides the first optical signal to the input/output ports and the second optical signal to the output port.

Abstract: In a liquid crystal display comprising a plurality of pixels each of which has an switching element, a plurality of drain drivers and gate drivers for operating the switching elements and the pixels, and a plurality of drain lines and gate lines supplying signals from the drain drivers and the gate drivers to the switching elements being formed on one of a pair of substrates sandwiching a liquid crystal layer, the present invention provides wiring lines formed on the one of a pair of substrates for transferring display data signals and a clock signal between each pair of the plurality of drain drivers adjacent to one another, and provides at least one gate circuit for at least one of the plurality of drain drivers which is controlled by the clock signal and switches the display data signals and the clock signal either (1) to be acquired by the at least one of the plurality of drain drivers or (2) to be transferred to another of the plurality of drain drivers arranged adjacent to the at least one of the plural

Abstract: A liquid crystal display device includes a liquid crystal display element, a frame member arranged at a displaying surface side of the liquid crystal display element and having a display window, a light source arranged at an opposite surface of the liquid crystal display element to the displaying surface thereof for irradiating the liquid crystal display element, and a housing member having a side wall formed at a periphery thereof and housing the light source therein. The frame member is fixed to the housing member and has a side wall opposite to an outer surface of the side wall of the housing member, and a screw member has a tapped hole in which a fitting screw is screwed.

Abstract: A liquid crystal display device includes a liquid crystal display element, a frame member having a frame-shaped part which is arranged at a displaying surface side of the liquid crystal display element and having a display window exposing a displaying surface of the liquid crystal display element, and a side wall which is extended from the frame-shaped part along a thickness direction of the liquid crystal display element. A light source is arranged opposite to another surface of the liquid crystal display element which is opposite to the displaying surface thereof and irradiates the another surface of the liquid crystal display element with illumination light. A housing member which houses the light source has a main surface opposite to a frame-shaped part of the frame member and a side wall formed at a periphery of the main surface thereof.

Abstract: Herein disclosed are a liquid crystal display device and a data processing device, which can have their frame portions reduced in area to reduce the size and weight by extracting the terminals of video signals to only one side of a liquid crystal display panel and by arranging a video signal line driving circuit substrate to be connected with the terminals, only at one side of the display panel.