Abstract: To provide a structure of an electrically stable step film of a columnar spacer, which can be formed in a region of a storage capacitor without increasing the number of steps. A liquid crystal display device of the present invention further includes, in all the pixels, step films of a same area formed with a semiconductor layer within a storage capacitor forming part. The pixels includes a kind in which the columnar spacer is provided at a position abutting against a step film forming part and a kind in which the columnar spacer is provided at a position away from the step film forming part.

Abstract: An LCD device has a reflective area that reflects light incident from a polarizing film side using a reflection film, and a transmissive area that transmits light of a backlight incident from a TFT substrate side. The drive voltages of the reflective area and transmissive area are Vr and Vt, the black voltage in the reflective area is Vr (K), the black voltage in the transmissive area is Vt (K). The reflectance R, the transmittance T, characteristics of R with respect to drive voltage [Vr (K)?Vr] and characteristics of T with respect to drive voltage [Vt?Vt (K)] substantially match each other.

Abstract: The liquid crystal display device includes a transparent electrode formed in a plan form and a strip or strips transparent electrode disposed thereon via an insulating film, and controls display by rotating the liquid crystal aligned substantially in parallel to a substrate within a plane that is substantially in parallel to the substrate by an electric field between the both electrodes. Each pixel constituting the display is divided into two regions, the extending directions of the strip electrode in each of the regions are orthogonal, the alignment azimuths of the liquid crystal of each of the regions are orthogonal, and the angles formed between the extending directions of the strip electrode and the alignment azimuth of the liquid crystal are the same.

Abstract: There is a problem that in an image sensor including an amplifier in each pixel, when a thin-film semiconductor is used as a transistor constituting the amplifier, voltage continues to be applied between source and gate of the transistor and thereby a threshold voltage value of the transistor varies, resulting in a variation of signal voltage. To solve the problem, a thin-film transistor formed with an oxide semiconductor is used as the transistor constituting the amplifier, and during a period other than a period of outputting an output of the amplifier, source potential of the transistor is controlled to be equal to drain potential thereof.

Abstract: Provided is a lateral-electric-field mode active matrix liquid crystal display device in which an afterimage can be improved. The width of one pixel comb electrode 109B of a plurality of pixel comb electrodes 109 is larger than each of the widths of the other pixel comb electrodes 109 and common comb electrodes 110 and is equivalent to the width of a common shield electrode 110B that covers an image signal wiring line 104 via a second insulating film. A display region is divided into two subregions by the wide pixel comb electrode 109B. In each subregion, the number of pixel comb electrodes 109 is equal to that of common comb electrodes 110. In addition, the width of the common shield electrode 110B is equivalent to that of the wide pixel comb electrode 109B, and the concentration of an electric field in the vicinity of each pixel comb electrode is reduced.

Abstract: In a liquid crystal panel, a reflective pixel electrode and a transmissive pixel electrode in a unit pixel are supplied with an image signal output from a data line drive circuit, the two mutually different scanning signals output from a scanning line drive circuit, and common signals output from a common line drive circuit. The phase of the image signal is set different from that of the common signal. Further, a period during which the two scanning signals are selected is set in one horizontal period, the ending of the selection period for one of the scanning signals is set to a point in time before an electrical potential of the common signal changes, and the ending of the selection period for the other scanning signal is set to a point in time after the electrical potential of the common signal changes.

Abstract: A touch sensor device includes: an impedance surface where plural sets of reference coordinates are set at plural locations; plural detection electrodes arranged on the impedance surface; a detection circuit configured to detect electric currents passing the detection electrodes; a storage section storing reference standardized values and reference normalized values; a position coordinate calculation section configured to obtain standardized values calculated by standardizing the electric currents detected in each detection period and to map the standardized values onto position coordinates; a first normalized value calculation section configured to map the position coordinates onto first normalized values; a second normalized value calculation section configured to calculate second normalized values by normalizing the electric currents in each detection period; and a touch gesture detection section configured to detect a motion of pointers on the basis of a time variation of the first normalized values and t

Abstract: There are provided a DC/DC converter and a display device. The DC/DC converter includes: an inductor connected to an input terminal; a switching element connected between the inductor and the earth; a diode connected between the inductor and an output terminal; a capacitor connected between the output terminal and the earth; a feedback circuit connected between the output terminal and the earth and outputting a feedback voltage; and an oscillating circuit performing an ON/OFF control of the switching element at a frequency corresponding to the received feedback voltage. The DC/DC converter further includes: a detection circuit which detects an external magnetic field and outputs a signal that is different depending on whether or not the detected magnetic field exceeds a predetermined threshold; and a control circuit performing a control of the DC/DC converter according to the signal, to suppress an overcurrent of the DC/DC converter in a strong magnetic field.

Abstract: A direct type LED backlight device improves color unevenness on the periphery of the display region without increase of the driver and its control circuit and contour change of a liquid crystal panel. This device includes a bottom wall, a set of optical members arranged opposite to an inner surface of the bottom wall, a side wall maintaining the bottom wall and the set of optical members at a predetermined distance, and LEDs fixed to the inner surface of the bottom wall. The side wall has a protrusion protruding toward a central portion of a space formed by the bottom wall, the side wall, and the set of optical members. At least part of emission surfaces of the LEDs arranged at outermost positions are overlapped with the protrusion and located at such positions as to be invisible when seen along a direction perpendicular to the set of optical members.

Abstract: With a TFT using an oxide semiconductor film, there is such an issue that oxygen deficit is generated in a surface region of the oxide semiconductor film after performing plasma etching of a source/drain electrode, thereby increasing the off-current. Provided is a TFT which includes: a gate electrode on an insulating substrate; a gate insulating film on the gate electrode; an oxide semiconductor film containing indium on the gate insulating film; and a source/drain electrode on the oxide semiconductor film. Further, the peak position derived from an indium 3d orbital in the XPS spectrum of a surface layer in a part of the oxide semiconductor film where the source/drain electrode is not superimposed is shifted towards a high energy side than the peak position derived from the indium 3d orbital in the XPS spectrum of an oxide semiconductor region existing in a lower part of the surface layer.

Abstract: A liquid crystal display device is provided which improves quality of images made up of moving images and images having moving images and still images in a mixed manner. Each frame of an input video signal having a specified frame frequency (60 Hz) is divided into four sub-frames each having a frequency being four times as large as the specified frame frequency and, after an overdriving operation is performed in the first sub-frame on each pixel region of a liquid crystal display panel, a normal driving operation is performed in the second sub-frame and thereafter, and in which a backlight flashes two times at a frequency being two times as large as a frame frequency (120 Hz) of the first frame frequency during one frame period in specified time intervals.

Abstract: Provided are an image sensor and a method of manufacturing method of manufacturing the image sensor. The image sensor includes a substrate, photoelectric transducers and switching elements formed in layers on the substrate in this order. Each of the photoelectric transducers includes a hydrogenated amorphous silicon layer. Each of the switching elements includes an amorphous oxide semiconductor layer. The image sensor further includes a blocking layer arranged between the hydrogenated amorphous silicon layers of the photoelectric transducers and the amorphous oxide semiconductor layers of the switching elements, where the blocking layer suppresses penetration of hydrogen separated from the hydrogenated amorphous silicon layers.

Abstract: An LED driving circuit, an LED driving method, and a liquid crystal display device, which prevent deterioration of display quality by effectively shortening the time required for starting the LED backlight and stabilizing the driving operations are provided. The LED driving circuit for controlling an LED circuit constituted with one LED or two or more LEDs includes: a duty ratio adjusting circuit unit which generates/outputs adjusting signals for adjusting drive of the LED based on a PWM dimming signal inputted from outside; and a booster circuit unit which applies driving voltages to the LED circuit according to the adjusting signal outputted from the duty ratio adjusting circuit unit. The duty ratio adjusting circuit unit sets the adjusting signal to have a larger duty ratio than that of the PWM dimming signal within an adjusting period set after the power is supplied until the LED circuit starts to connect electrically.

Abstract: A liquid-crystal display device makes it possible to attach an optical element to a liquid-crystal display panel with high positional accuracy while avoiding or minimizing the enlargement of the picture-frame region (i.e., the non-display region) induced by the formation of markers on the panel and the increase of the fabrication cost. The panel comprises a main substrate, an opposite substrate, and a liquid crystal enclosed in a gap between the main and opposite substrates, wherein a polarizer plate is attached at least to the opposite substrate. Markers for attaching an optical element to the panel are formed at positions that overlap with the polarizer plate in a non-display region on the main or opposite substrate. Alignment direction regulators regulate the alignment of the liquid crystal molecules to a predetermined direction in the vicinities of the markers, allowing light to pass through at least the opposite substrate.

Abstract: A stereoscopic image display device includes an image display unit including plural unit pixels each including pixels for left and right viewing fields; a gradient-refractive-index liquid-crystal lens; and a liquid-crystal lens drive circuit. The liquid-crystal lens includes a liquid-crystal cell, plural electrode groups each including plural stripe-shaped transparent electrodes corresponding to a column of the unit pixels, and a counter transparent electrode having a constant potential. The liquid-crystal lens drive circuit is configured to apply voltages to the transparent electrodes with forming a common voltage pattern for each of the electrode groups so as to make liquid crystal of the liquid-crystal cell work as plural lenses forming a predetermined refractive-index profile for each of the electrode groups, and is configured to shift the voltage pattern according to information of a viewpoint position of an observer so as to shift the refractive-index profile of each of the lenses.

Abstract: An image display device expresses multiple colors including intermediate colors and an electrophoretic particle making up the image display device includes n-kinds of (n>2) charged particles each having colors and threshold value voltages each being different from one another. A specified period during which a voltage is applied includes a resetting period for applying a resetting voltage, a first, . . . , kth, . . . , nth voltage applying periods and a voltage to be applied includes a resetting voltage, 0V, first voltage (absolute value) to be applied within the first voltage applying period, 0V, kth voltage (absolute value) to be applied within kth voltage applying period, and 0V voltage, nth voltage (absolute value) to be applied within an nth voltage applying period. Relationships: |first applied voltage|>|kth applied voltage|>|nth voltage| and |first applied voltage|<|kth voltage|<|nth voltage| are satisfied.

Abstract: Provided are a liquid crystal panel and a method of manufacturing method of manufacturing a liquid crystal panel. The liquid crystal panel includes a first transparent substrate; a second transparent substrate; and a liquid crystal layer formed between the first transparent substrate and the second transparent substrate. The first transparent substrate and the second transparent substrate have transparency in a visible light region and an ultraviolet absorptive property. At least one of the first transparent substrate and the second transparent substrate includes a structure arranged in a predetermined region thereof, where the structure transmits ultraviolet rays in a specific wavelength range.

Abstract: A vertically aligned thin-film transistor array substrate in which there is no reduction in aperture ratio includes an etching-stop layer formed on an insulating layer; a passivation layer formed on the insulating layer that includes the etching-stop layer; a depression formed in the passivation layer and hollowing the passivation layer to the surface of the etching-stop layer; and a pixel electrode, which is recessed in conformity with the depression, formed on the passivation layer that includes the depression; wherein the etching-stop layer comprises a transparent semiconductor.

Abstract: The liquid crystal display device includes a transparent electrode formed in a plan form and a strip or strips transparent electrode disposed thereon via an insulating film, and controls display by rotating the liquid crystal aligned substantially in parallel to a substrate within a plane that is substantially in parallel to the substrate by an electric field between the both electrodes. Each pixel constituting the display is divided into two regions, the extending directions of the strip electrode in each of the regions are orthogonal, the alignment azimuths of the liquid crystal of each of the regions are orthogonal, and the angles formed between the extending directions of the strip electrode and the alignment azimuth of the liquid crystal are the same.

Abstract: The stereoscopic image display device which displays images corresponding to each of a plurality of viewpoints includes: a stereoscopic image display panel which includes a display panel in which a plurality of pixels are arranged and a light-ray separating module provided on the display panel for separating parallax images from each of the pixels towards a plurality of N-viewpoints (N is a natural number of 2 or larger) according to the layout direction of each of the pixels; an observer position measuring unit which measures an observing position of the observer who is facing the display surface; a relative position calculating unit which calculates a relative position of the observer with respect to the stereoscopic image display panel based on the measurement result; and an image generation processing unit which generates viewpoint image by corresponding to the relative position and outputs the image towards the stereoscopic image display panel.