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Nec Display Solutions Ltd patents


Recent patent applications related to Nec Display Solutions Ltd. Nec Display Solutions Ltd is listed as an Agent/Assignee. Note: Nec Display Solutions Ltd may have other listings under different names/spellings. We're not affiliated with Nec Display Solutions Ltd, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "N" | Nec Display Solutions Ltd-related inventors


Light source device, projection display device, and light source control method

A light source device includes: a phosphor rotating body on which a phosphor that is formed on a surface and that is used in a rotating state with an axis of rotation that is perpendicular to the surface; a first excitation light source that generates first fluorescent light by irradiating... Nec Display Solutions Ltd

Cooling device, projection display device, and cooling method

A cooling device includes a thermally conductive housing member that houses a heat generating body, a first air blower that generates first cooling wind flowing along the housing member through the heat generating body inside the housing member, and a second air blower that generates second cooling wind flowing along... Nec Display Solutions Ltd

Display device and display method

A display device includes a display panel, a driver, a detector, and an acquisition part. The driver drives the display panel based on a video signal. The detector obtains a first detection value by detecting reflective light from reflective media, which occurs when ambient light is irradiated to reflective media,... Nec Display Solutions Ltd

Display system, display device, electronic apparatus, and image signal transmission method

A display system that can solve the problem of an inadequate band in a connector or transmission path and that enables processing of a high-resolution image signal, includes a display device and an electronic apparatus that is electrically connected to the display device via a connector. The electronic apparatus receives... Nec Display Solutions Ltd

Portable terminal, data communication system, data communication method and program

A portable terminal includes a wireless communication unit configured to perform data communication with a wireless tag in a non-contact manner, a position determination unit configured to determine a position of the portable terminal, a control unit configured to generate guide information for guiding the portable terminal to a communicable... Nec Display Solutions Ltd

Image display device, image display system, and image display method

An image display device includes a display unit that includes a plurality of display lines, an image data input unit that receives image data including data for each display line, and an image data transmission switching circuit that transmits the image data to the display unit.... Nec Display Solutions Ltd

Image display device and image display method

The energy of light irradiated by a backlight causes stress on TFTs for controlling transmissivity for each pixel on a display panel so as to degrade TFTs. The present invention addresses the problem concerning disturbance in transmissivity control based on image information and incapacity of displaying images with desired luminance.... Nec Display Solutions Ltd

Method and device that simulate video delivered by video instrument

A method of simulating how output video from a video instrument that presents video appears under a given viewing environment includes: inputting an environmental illuminance in a viewing environment in which output video is viewed; inputting a set condition with regard to the video instrument, the set condition including at... Nec Display Solutions Ltd

Display device, usage management method and program of a display device

Provided is a display device that has a usage validity period and confirms that the device is within the usage validity period when it is used, and can be improved in usefulness and can be used quickly, as well as a usage management method and program for the display device.... Nec Display Solutions Ltd

Light source unit and cooling the light source unit

The present invention realizes a light source unit and a method of cooling the light source unit that reduces any increase in the ambient temperature of a red solid-state light source and thus reduces any decrease in brightness of the red solid-state light source. The light source unit has: a... Nec Display Solutions Ltd

Display system, input device, display device, and display method

A display system includes a display device and an input device. The display device includes a display for displaying images, an image signal processor for displaying images on the display, and a receiver for receiving signals from the input device. The input device includes a detector that detects a target... Nec Display Solutions Ltd

Illuminating device, wheel deterioration detecting method and projector

An illuminating device includes: a light source emitting excitation light; a wheel including a wheel substrate transmitting the excitation light and an illuminating light generating member provided on the first surface of the wheel substrate to generate illuminating light by the excitation light; a photo detector, arranged on the second... Nec Display Solutions Ltd

Image display dimming light source

An image display apparatus (and a method for dimming a light source) includes a light source and display units that spatially modulate a light from the light source on the basis of an input video signal to form an image, and performs dimming control to adjust luminance of the light... Nec Display Solutions Ltd

Projector

A projector includes: a light source that emits light of a first color and a second color; a first image formation element that forms a first image light of the first color; a second image formation element that forms a second image light of the second color; a projection lens... Nec Display Solutions Ltd

Infrared light adjustment method and position detection system

An adjustment method for adjusting the direction of infrared light projected so that infrared light to pass over a displayed image from a projection device that is rotatable with orthogonal first and second axes as axes of rotation, the method including: arranging the projection device such that the plane containing... Nec Display Solutions Ltd

Light source device, electronic blackboard system, and controlling light source device

A light source includes an invisible light emitter that emits an invisible light beam and a visible light emitter that emits a visible light beam. A light source controller causes the light source to emit at least one light beam from among the invisible light beam and the visible light... Nec Display Solutions Ltd

Light source device and projector

A light source device includes: a phosphor unit that is provided with a phosphor; an excitation light source that supplies excitation light that excites the phosphor; a reducing optical system that reduces the luminous flux diameter of the excitation light; and a light condensing optical system that condenses, on the... Nec Display Solutions Ltd

Image display device and dimming light source

An image display device and a light source dimming method are provided for enabling display of an image with natural brightness through dimming control. The image display device includes: a light source; a display unit that spatially modulates light from the light source on the basis of an input video... Nec Display Solutions Ltd

Data transfer system, display device, portable information terminal, and data transfer method

A data transfer system includes a display device and a portable information terminal. The display device includes a first display panel having a first display screen for displaying an image, a terminal detection unit configured to detect that the portable information terminal has approached the first display screen, and a... Nec Display Solutions Ltd

Projector and image projection method

A projector includes: a plurality of image-forming units each including an image forming surface provided with a plurality of micromirrors; a plurality of reflecting units that are provided so as to respectively reflect the plurality of image beams formed by the image-forming units; a beam-combining unit that receives the plurality... Nec Display Solutions Ltd

Light source device, projector and control light source device

A light source device includes: a light source for emitting excitation light; a first optical system for condensing excitation light emitted from the light source into a rectangular shape; a fluorescent wheel having a plurality of light emitting portions emitting different color light in response to irradiation of the excitation... Nec Display Solutions Ltd

Display device and display method

A display device includes a signal detector configured to detect variations in a video input signal input thereto; a video delay measuring part configured to measure a video delay time concerning a video display operation based on the video input signal when the signal detector detects variations in the video... Nec Display Solutions Ltd

Laser light source, projector provided with laser light source, and manufacturing laser light source

The present invention realizes both a laser light source that, despite the use of a plurality of laser diodes and transmission through a modulator that allows transmission of a specific orientation of linearly polarized light, is free from the occurrence of uneven luminance or uneven color, and a projector device... Nec Display Solutions Ltd

Image display system, image control device, display device and display control method

An image display system includes: a display device; a detecting device for detecting a position pointed by an input device, on a display screen of the display device ; and a display control device that, in accordance with a drawing on the display screen using the input device, causes the... Nec Display Solutions Ltd

Backlight device and backlight control method

A backlight device includes a plurality of light sources that emit light of different colors from each other, a plurality of color sensors that receive mixed-color light including light emitted from the light sources to detect light emission states of the light sources, a temperature sensor that measures a temperature... Nec Display Solutions Ltd

Light source device and projector

A light source device includes a light source, a phosphor unit that includes a phosphor region and a reflection region and that is movable so that blue light from the light source is sequentially radiated to the phosphor region and the reflection region, and a dichroic mirror that guides the... Nec Display Solutions Ltd

Light source device, projection display device, and light source control method

A light source device includes: an excitation light source unit that emits excitation light; a phosphor wheel unit that includes a wheel that produces fluorescence by the excitation light and that, by causing the wheel to rotate, changes the position on the wheel that is irradiated by the excitation light;... Nec Display Solutions Ltd

Light source device and projector

Light source device includes a light source, a dichroic mirror that reflects the S-polarized light of light from light source, a condensing lens group that converges reflected light from the dichroic mirror, a phosphor unit movable so that light from a condensing lens group is sequentially radiated to a phosphor... Nec Display Solutions Ltd

Image correction device, display device, and image correction method

An image correction device includes: a first target unevenness characteristic calculation unit that calculates a first target unevenness characteristic based on a first uncorrected unevenness characteristic and a correction amount, the first uncorrected unevenness characteristic being an uncorrected unevenness characteristic at a first gradation, the uncorrected unevenness characteristic being a... Nec Display Solutions Ltd

Display device, multi-display system, and id determination display device

Provided are a network unit whose first port is connectable to a control computer or a display device on a prior stage in a daisy chain manner and whose second port is connectable to a display device on a subsequent stage in the daisy chain manner; a storage unit wherein... Nec Display Solutions Ltd

Projection type display apparatus and image display method

A projection type display apparatus includes illumination unit that emits a plurality of color lights having a predetermined polarization direction, a plurality of optical path adjustment units that totally reflect the plurality of color lights, respectively, a plurality of optical modulation units that modulates the plurality of color lights totally... Nec Display Solutions Ltd

Light control device, display device, multiscreen display system, light control method, and program

A display apparatus in a multiscreen display system includes an enlargement processing unit that converts a video signal of a video source to a video signal of an enlarged video having a size corresponding to a large screen and outputs a video signal of a sectional video in the enlarged... Nec Display Solutions Ltd

Projection display apparatus and projection projection display apparatus

A projection display apparatus that can prevent deviation in the light quantity distribution of the projected image is provided. A projection display apparatus includes: a light source unit including a light emitting element; an image light generator modulating light from the light source unit to emit image light; a projecting... Nec Display Solutions Ltd

Information display apparatus

A method for displaying information on a screen includes modifying tone values to compress the tone of a main image; projecting by a first projector the main image with compressed tones generated with a first polarization component; modifying tone values of a sub-image for correcting tones of the sub-image; generating... Nec Display Solutions Ltd








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