Abstract: An electronic device information read/write mechanism includes an RF tag attached to a metal frame at the upper portion of a liquid crystal display panel packed in a packaging box. The RF tag stores the internal information concerning the liquid crystal display panel. The packaging box is partially opened to expose the RF tag to the outside, and then an external reader/writer is moved close to the RF tag, and therefore the external reader/writer reads or writes the internal information stored in the RF tag without powering on the liquid crystal display panel.

Abstract: With the purpose of controlling a light source to appropriately reduce the brightness of reflected light at the time of starting projection according to the conditions under which a projector is being used, the projector includes a solid-state light source unit that emits light, a power supply unit that supplies driving electric power to the solid-state light source unit, an image display device that modulates the light emitted from the solid-state light source unit according to an image signal and that projects the modulated light onto a projection surface, and a detection unit that detects the intensity of the ambient light of the projection surface.

Abstract: Image display devices that can eliminate image deterioration that occurs due to a pixel scanning sequence are provided. A detection section identifies a moving region contained in an image corresponding to an input image signal composed of a plurality of frames and detects a moving distance and a moving direction for and in which the moving region moves. A correction section corrects the image signal based on a detected result of the detection section and the scanning sequence in which individual pixels in the moving region are scanned. A drive section scans the plurality of pixels in the scanning sequence based on a corrected image signal that is an image signal corrected by the correction section and draws a corrected image corresponding to the corrected image signal.

Abstract: A projector has a light source, image forming units, a projection lens, a first optical system and a second optical system. The image forming units form image light by adjusting, on a per-pixel basis, the intensity of light emitted by the light source. The projection lens projects the image light formed by the image forming units to the outside. The first optical system guides light of a first wavelength emitted by the light source to the projection lens, and the second optical system guides light of a second wavelength emitted by the light source to the projection lens. The f-number of the first optical system is higher than the f-number of the second optical system.

Abstract: A light source device includes a holder for holding a lamp unit, a duct member placed over the holder, a flow path formed between the holder and the duct member, a plurality of port groups disposed in the holder, each port group including ports for connecting the inside of a reflector of the lamp unit to the flow path, and a plate member disposed in each port group and configured to selectively open/close ports included in each port group. The plurality of port groups is located around the center axis of a light-emitting tube of the lamp unit, and the plate member rotates under its own weight to open some of the ports included in the port group while closing the other ports.

Abstract: A display device includes: a display monitor; a control board which drives the display monitor; a chassis which is provided between the display monitor and the control board. The chassis includes a conductive material, and has a surface on a side of the display monitor. The display device further includes: a wiring line which is provided along the surface of the chassis; and a clamper which fixes the wiring line to the chassis. The clamper includes a clamp section pressing the wiring line, and leg portions fixed to the chassis. The chassis includes a recessed section at a position where the clamper is fixed. The recessed section is indented towards a side of the control board and accommodating the wiring line.

Abstract: A projection display device having a plurality of light sources and including a plurality of light sensors installed in association with the light sources, respectively, and a controller for controlling amounts of lights emitted from the light sources depending on corresponding output signals from the light sensors to keep constant a ratio of the amount of light emitted from the light sources. The controller controls each light sources used in control signals whose frequencies are different from each other.

Abstract: The image projection apparatus of the present invention includes a light source that outputs coherent light; a phase modulator that performs phase modulation on the light output from the light source to create a Fourier transform image; an amplitude modulator that performs amplitude modulation on the Fourier transform image in accordance with an image signal; a projection optical system that projects the light that has been amplitude modulated, and a controller that divides the image represented by the image signal into a plurality of divided images, determines the target luminance value of each of the areas of the Fourier transform image that is divided corresponding to the division of the image, based on the image signal, and outputs phase data indicating the amount of phase modulation so as to make the luminance value of each area of the Fourier transform image acquire the target luminance value of the associated area.

Abstract: An image display apparatus has an A/D converter for sampling an analog video signal whose signal level changes at a frequency higher than the frequency of a synchronizing signal, based on a reproduced dot clock, and converting the sampled analog video signal into a digital video signal, a clock adjusting circuit for generating a clock in synchronism with the synchronizing signal, delaying the phase of the clock according to set delays, and outputting the delayed clock as the reproduced dot clock, a controller for dividing an area of an image displayed based on the converted digital video signal, into a plurality of image areas defined by display lines in a horizontal direction, and establishing different delays for the divided image areas, and a delay evaluating circuit for converting differential data between adjacent signal levels on the display lines for the respective image areas, into absolute values and accumulatively adding the absolute values, thereby producing accumulated sums.

Abstract: An image display device has a light source; a power supply section that supplies power to a light source; a cooling fan that cools the light source; a input section; and a control section that controls the cooling fan and the power supply section. If a first lighting mode in which a power value supplied to the light source is a first setting value is designated through the input section, the control section causes the power supply section to supply power that corresponds to the first setting value to the light source and causes the cooling fan to operate.

Abstract: A lighting device includes: a phosphor wheel; a color-combining prism including dichroic surfaces, the film surfaces of these dichroic surfaces being disposed to cross a center ray of luminous flux of fluorescence emitted from the phosphor wheel and to be orthogonal to a plane that contains the center ray; a blue laser; a red laser; and excitation light sources. When viewed from the direction perpendicular to the plane, the blue laser, red laser, and excitation light sources are arranged on one side of the center ray of the luminous flux of the fluorescence.

Abstract: In 3D display, when double the frequency of the input clock exceeds the maximum rate of transmission to cinema display circuit 104, the multiply ratio of the clock is lowered from 2× multiplication and the output horizontal total clock number is reduced accordingly.

Abstract: A reference luminescence amount-acquiring unit of a display device obtains reference brightness corresponding to a BL drive value detected by a drive value-detecting unit and a temperature detected by a temperature-detecting unit. A deterioration-detecting unit calculates an initial status value based on a ratio of reference brightness obtained based on a temperature and a BL drive value in an initial status and brightness in the initial status detected by a luminescence amount-detecting unit, and stores the initial status value. The deterioration-detecting unit further calculates a current status value based on a ratio of reference brightness obtained based on a current temperature and a current BL drive value and current brightness detected by the luminescence amount-detecting unit, compares the initial status value with the current status value, and determines whether calibration is required.

Abstract: A projector includes an illumination optical system, an image formation element that spatially modulates light from the illumination optical system, and a projection lens that projects the spatially modulated light. The illumination optical system includes a light source that emits light of a first wavelength, a fluorophore unit including a reflection region reflecting the light of the first wavelength and a fluorophore region including a fluorophore emitting fluorescent light of a wavelength that differs from the first wavelength by irradiation of the light of the first wavelength, an optical element reflecting the light of the first wavelength, and a quarter-wave plate provided on a light path between the optical element and the fluorophore unit.

Abstract: There is provided a projection-type display apparatus which solves the problem that when an amount of electric power applied to light sources is adjusted, the amount of electric power involved in the cooling of LEDs becomes greater than necessary. Coolers (107R, 107G, 107B) cool light sources (103R, 103G, 103B). Light sensor (111) detects the brightness of a surrounding area. Light case temperature detectors (112R, 112G, 112B) detect case temperatures which are the temperatures of cases of light sources (103R, 103G, 103B). Light source forward voltage detectors (113R, 113G, 113B) detect forward voltages of light sources (103R, 103G, 103B). Light source forward current detectors (114R, 114G, 114B) detect forward currents of light sources (103R, 103G, 103B). Adjuster (117) adjusts the amount of cooling power of coolers (107R, 107G, 107B) based on the forward voltage, the forward current, and the case temperatures.

Abstract: A liquid crystal monitor includes a first voltage conversion circuit (e.g. a DC/DC converter), which converts an external DC voltage into a first internal DC voltage supplied to CPU circuitry, and a second voltage conversion circuit, which converts the external DC voltage into a second internal DC voltage for driving a backlight of a liquid crystal panel. The external DC voltage is set proximate to a center value between the first internal DC voltage and the second internal DC voltage. This allows the liquid crystal monitor to be equipped with a battery unit producing a single external DC voltage, thus reducing weight compared to a conventional liquid crystal monitor.

Abstract: Provided are a frame unit having a substantially rectangular shape, wherein a rear side of the frame unit is detachable attached to an outer edge of a display device; light shielding plates arranged on an upper side and right and left sides of the frame unit; and a measurement unit provided at a front side of each light shielding plate, where the measurement unit measures a display state of the display device and outputs a measurement result to the display device.

Abstract: A projection display apparatus includes: a display element that displays an image; a lamp that illuminates the display element to cause the display element to emit an image light; a variable light intensity element that allows the light emitted from the lamp to pass therethrough, the intensity of light passing through the variable light intensity element being variable; and a light intensity controller that determines whether the display element is at an image mute state in which a full-black image is displayed, or at a normal lighting state other than the image mute state, and when the display element is at the image mute state, reduces the amount of power supplied to the lamp to a level that is lower than that of the normal lighting state to decrease the intensity of light emitted from the lamp, and also decreases the intensity of light that passes through the variable light intensity element.

Abstract: A correction device for a display device includes a detection unit which detects the measured XYZ values of a CIE1931 color system; a first conversion unit which calculates the measured X10Y10Z10 values of a CIE1964 color system based on the measured XYZ values with reference to the characteristics of the display device; a second conversion unit which calculates the target X10Y10Z10 values of the CIE1964 color system based on the target XYZ values representing tristimulus values of a target color in the CIE1931 color system; a correction value calculation unit which compares the measured X10Y10Z10 values with the target X10Y10Z10 values so as to produce a correction value which allows those values to match each other; a correction value calibration unit which rewrites the correction value with a correction value of the CIE1931 color system; and a compensation unit which performs color correction on the display device.