Patent application number | Description | Published |
20090073722 | LIGHT SOURCE DEVICE, DISPLAY DEVICE USING SAME, AND TERMINAL DEVICE - The light source device of a display device according to the present invention has an optical waveguide, a cone sheet, and a light source disposed along the side surface of the optical waveguide. The light-emitting surface of the optical waveguide is flat, and a tilted surface that is tilted towards the light source with respect to the light-emitting surface is formed on the light-diffusing surface. The cone sheet has a flat plate and a plurality of circular cones arranged two-dimensionally on the light-incident surface of the flat plate. The central axes of the circular cones are parallel to each other. The invention provides a light source device that can be made thin and is capable of increasing the directivity of emitted light in two dimensions. | 03-19-2009 |
20090096956 | LIGHT SOURCE APPARATUS - A light source apparatus permits an angular range of illumination light to be changed, wherein the apparatus can be made thin. A related display apparatus permits a visible angular range to be changed using the light source apparatus. The display apparatus can be mounted in a terminal device, and an optical member and an optical unit can be incorporated in the light source apparatus. The light source apparatus is provided with a light guide plate with a conical sheet. Two light sources are provided on side surfaces of the light guide plate. Two inclined surfaces whose inclination angles to a light output surface differ from each other are formed at a light diffusion surface of the light guide plate. The conical sheet is provided with a flat plate portion on which a plurality of cones are formed. The cones protrude toward the light guide plate. | 04-16-2009 |
20090244086 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, PROGRAM THEREOF, DISPLAY DEVICE, AND IMAGE DISPLAY SYSTEM - An image processing apparatus, an image processing method, and a program thereof, and a display device are provided, in which reproduction of a secret image from one dispersed image is difficult. A secret image and a reverse image included in at least two types of images are in a relationship of forming image data of an image not correlated with the secret image when luminance values of image data respectively are added pixel by pixel. Included are: a memory | 10-01-2009 |
20090262127 | IMAGE PROCESSING APPARATUS, DISPLAY APPARATUS, AND IMAGE DISPLAYING SYSTEM - An image processing apparatus, a display apparatus and an image displaying system wherein both secure and public images can be efficiently displayed with high quality without lowering the contrast of the public images. There are included a memory ( | 10-22-2009 |
20100013957 | IMAGE PROCESSING APPARATUS, METHOD AND PROGRAM, AND DISPLAY APPARATUS - The invention provides: a code generation and data assignment circuit that sets the order in which a confidential image and a reversed image are displayed, based on an orthogonal code; and a shutter glass control signal generation circuit that controls so that during a period when an image signal of an image including at least part or all of the confidential image is outputted, the shutter glasses disposed between the succeeding display apparatus and the user's eyes are set in a light transmission state and during a period when another image is displayed, the shutter glasses are set in a light shielding state. The image signal of the confidential image and the image signal of the reversed image are in a relationship such that when the brightness values of the images are added together for each pixel, the resultant image has no correlation with the first output image. | 01-21-2010 |
20100020237 | DISPLAY CONTROLLER AND DISPLAY APPARATUS - The present invention provides a display controller and a display apparatus capable of carrying out image display in a high-speed screen switching mode without changing a data rate of a digital transmission path while a signal itself sent through a display transmission path is kept within a standard (60 Hz). A display controller | 01-28-2010 |
20100085373 | IMAGE PROCESSING APPARATUS, METHOD, PROGRAM AND DISPLAY - This invention is to provide an image processing apparatus, an image processing method, a program, and a display in which both of a secret image and a public image can be efficiently displayed with high picture quality without reducing contrast of the public image. One of output images is a secret image which displays an input secret image as one of input images in a partial area of a screen, all the output images including the secret image have a relationship to become, when a luminance value of each pixel thereof is totaled, an input public image as one of the input images; and during a period in which at least the secret image is being outputted, shutter glasses disposed between a display to which the image signals are inputted and user's eyes are set to a light transmission state. | 04-08-2010 |
20100097409 | DISPLAY DEVICE AND DISPLAY METHOD - A display device is provided with a display section; a drive section driving the display section; and a light shutter control section controlling a light shutter. The display section is configured to display first and second images on the display section during a specific period. The drive section is configured to allow perceiving an image only from a direction in a specific viewing angle range at least during the specific period. The light shutter control section controls the light shutter so that the light shutter is placed into a transmitting state allowing transmitting light during a period during which the first image is displayed in the specific period and placed into a shielding state shielding light during a remaining period in the specific period. The first and second images are generated so that an image generated by adding brightnesses of respective pixels of the first and second images has no correlation to the first image. | 04-22-2010 |
20100182500 | IMAGE DISPLAY DEVICE, IMAGE DISPLAY METHOD AND IMAGE DISPLAY PROGRAM - An image display device is provided with an image memory for storing a first image as a target secret image; a synthesizing section for time-multiplexing the stored first image and a second image obtained by reversely converting the luminance of the first image; and an image display section for displaying the time-multiplexed image. An optical shutter which transmits light at the time of displaying the first image is arranged to the synthesizing section. The image display device is also provided with a display characteristic detecting section which fetches information regarding to the display characteristics of the image display section, and an image converting section which converts the first image into the second image, based on the fetched display characteristics of the image display section. Thus, the image display device effectively shields image display from a third party, even when the display characteristics of the the image display section are changed. | 07-22-2010 |
20100201897 | Liquid crystal shutter glasses - A liquid crystal shutter glasses comprises a liquid crystal shutter placed within the view angle of the observer of a display apparatus wherein the liquid crystal shutter has an effective shutter region in which the transmission or shielding of incident light is controllable and a light attenuation region positioned outside the effective shutter region for attenuating incident light. | 08-12-2010 |
20100259511 | DISPLAY SYSTEM, CONTROL SYSTEM, AND DISPLAY METHOD - To provide a display device which can reduce driving frequency of a controller and a driver for inputting a signal to the display device and increase brightness of a screen without increasing the driving frequency. The display device includes: a display screen having a plurality of pixels provided by corresponding to intersection points between scan lines and data lines; a scan line drive circuit which drives the scan lines; a data line drive circuit which drives the data lines; and a display device body having an image display control device which operates the drive circuit so as to sequentially and repeatedly display two or more types of images. The image display control device causes the scan line drive circuit to simultaneously select two or more scan lines for at least one type of image among the two or more types of images sequentially displayed. | 10-14-2010 |
20110007171 | COMMUNICATION SYSTEM, TRANSMISSION DEVICE AND RECEPTION DEVICE - A transmission device displays a public image (a first image) provided to unspecified users, a private image (a second image) provided to particular users, and a mask image of the private image in a time division multiplexed manner, and transmits a private image sync signal synchronized with display of the private image. A reception device receives the private image sync signal transmitted from the transmission device and shoots by a shooting unit the private image displayed on the transmission device by using the private image sync signal, and displays the shot image on a display unit. | 01-13-2011 |
20110193880 | IMAGE DISPLAY SYSTEM, IMAGE CONTROL APPARATUS, IMAGE CONTROL METHOD, AND OPTICAL SHUTTER - An image display system includes: display unit ( | 08-11-2011 |
20110199402 | IMAGE DISPLAY SYSTEMS, IMAGE DISPLAY DEVICES, AND OPTICAL SHUTTERS - An image display system includes display element | 08-18-2011 |
20110221779 | COMMUNICATION SYSTEM AND RECEIVER - A transmitter that outputs an image signal for displaying a first image and outputs an image signal of a synthesized image made of the reversal image of the first image and a second image. A display apparatus, based on the image signals output from the transmitter, displays the first image and the synthesized image with circular polarizations having different senses of rotation from each other. A receiver includes a circular polarization selecting and transmitting means that separates the first image and the synthesized image displayed on the display apparatus, based on the sense of rotation of the circular polarization, and selectively allows the images to pass therethrough, so as to be able to photograph the first image displayed on the display apparatus. | 09-15-2011 |
20110222559 | IMAGE TRANSMISSION SYSTEM, IMAGE TRANSMISSION APPARATUS AND IMAGE TRANSMISSION METHOD - The image transmission system of the present invention is provided with: a time-division display apparatus sequentially displaying first to N-th (N: an integer of 2 or more) images with a frequency above M×N [Hz] (M: an integer of 1 or more) by time division; a multiplexing unit plane-sequentially multiplexing the first to N-th images in accordance with the order of displaying the first to N-th images on the time-division display apparatus; a transmitting unit sending out the multiplexed images which have been multiplexed by the multiplexing unit to a predetermined image transmission path with a frame frequency of M [Hz]; and a receiving unit receiving the multiplexed images from the transmitting unit via the predetermined image transmission path and sequentially transmitting image data of the multiplexed images to the time-division display apparatus. | 09-15-2011 |
20110243325 | DISPLAY SYSTEM, CONTROL APPARATUS, DISPLAY METHOD, AND PROGRAM - A display system includes display terminals ( | 10-06-2011 |
20110267442 | THREE-DIMENSIONAL VIDEO VIEWING SYSTEM, DISPLAY SYSTEM, OPTICAL SHUTTER, AND THREE-DIMENSIONAL VIDEO VIEWING METHOD - Disclosed is three-dimensional video viewing system ( | 11-03-2011 |
20110273536 | PICTURE TRANSMISSION SYSTEM AND PICTURE TRANSMISSION METHOD - A picture transmission system is provided that provides a solution to drops in picture quality. A multiplexing unit ( | 11-10-2011 |
20110273545 | THREE-DIMENSIONAL PICTURE VIEWING SYSTEM, DISPLAY SYSTEM, OPTICAL SHUTTER, AND THREE-DIMENSIONAL PICTURE VIEWING METHOD - A three-dimensional picture viewing system includes: display system ( | 11-10-2011 |
20110280044 | OPTICAL MEMBER, LIGHT SOURCE APPARATUS, DISPLAY APPARATUS, AND TERMINAL APPARATUS - A planar light source, Fresnel lens sheet, and louver are disposed in the stated order in a light source apparatus. The Fresnel lens sheet deflects and focuses in one dimension light that has entered from the planar light source. The louver is disposed in the optical path of the light emitted from the Fresnel lens sheet, and the directivity of the light can be increased by restricting the traveling direction of the light to the focal direction of the Fresnel lens sheet. The light utilization ratio can thereby be increased, the directivity of planarly emitted light can be increased, and the brightness can be made uniform at the point of observation. | 11-17-2011 |
20110317082 | LIQUID CRYSTAL SHUTTER AND LIQUID CRYSTAL SHUTTER GLASSES - Disclosed is a liquid crystal shutter having two superimposed liquid crystal layers in which no leakage of light occurs. In a liquid crystal shutter in which oriented films ( | 12-29-2011 |
20120314188 | OPTICAL ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTION DISPLAY DEVICE - Optical element | 12-13-2012 |
20120314189 | LIGHT EMITTING ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTION DISPLAY DEVICE - The present invention includes light source layer ( | 12-13-2012 |
20130027675 | DISPLAY ELEMENT, DISPLAY DEVICE, AND PROJECTION DISPLAY DEVICE - The present invention includes light valve section ( | 01-31-2013 |
20130033678 | OPTICAL ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTION DISPLAY DEVICE - Disclosed is an optical element that includes: carrier generation layer ( | 02-07-2013 |
20130057938 | DISPLAY ELEMENT, DISPLAY DEVICE, AND PROJECTION DISPLAY DEVICE - The present invention includes light valve section ( | 03-07-2013 |
20130077316 | DISPLAY DEVICE, TERMINAL DEVICE, LIGHT SOURCE DEVICE, AND OPTICAL MEMBER - A display device comprising a light source and having an optical waveguide, a louver, an anisotropic scattering sheet, and a transmissive liquid crystal panel disposed along the path of light emitted from the light source. The light-restricting direction of the louver is tilted at an angle α from the Y-axis direction. The value of the angle α is set so that the arrangement direction of moiré created between the louver and the liquid crystal panel approaches the X-axis direction. A plurality of belt-shaped convex portions extending in the Y-axis direction are formed on the surface of the anisotropic scattering sheet, and are configured so that the scattering direction of the light has anisotropy. Specifically, scattering in the X-axis direction is increased, and scattering in the Y-axis direction is reduced. Moiré can thereby be reduced in a display device having increased directivity of the display. | 03-28-2013 |
20130107132 | LIGHT SOURCE AND PROJECTION-TYPE DISPLAY DEVICE | 05-02-2013 |
20130308102 | Optical Device, Light Source, and Projection Type Display Device - An optical device whose efficiency and luminance can be further highly improved is provided. The optical device includes carrier generation layer | 11-21-2013 |
20140022818 | OPTICAL ELEMENT, ILLUMINATION DEVICE, AND PROJECTION DISPLAY DEVICE - An optical element that is capable of reventing an increase in size while increasing the light intensity of fluorescent light includes: a light-guide plate ( | 01-23-2014 |
20140049944 | OPTICAL MEMBER, LIGHT SOURCE APPARATUS, DISPLAY APPARATUS, AND TERMINAL APPARATUS - An optical member including: a Fresnel lens sheet for deflecting and emitting deflected light, A louver for restricting a direction of light rays, where the louver restricts the traveling direction of incident light from the deflecting element to a direction that is parallel to the optical path of the incident light, and emits the restricted light. The Fresnel lens sheet is disposed so that a machined surface thereof faces the louver. | 02-20-2014 |
20140139809 | OPTICAL ELEMENT, LIGHT SOURCE APPARATUS, AND PROJECTION-TYPE DISPLAY APPARATUS - An optical element that can reduce the etendue of emitted light emitted from the optical element without having depend on the etendue of light-emitting elements is provided with a plasmon-excitation layer that is interposed between two layers having dielectric properties wherein, taking the plasmon-excitation layer as a border, the effective dielectric constant of the emission-side portion that is the emission layer side is higher than the effective dielectric constant of the incident-side portion that is the side of a carrier-generating layer, and the dielectric constant between the plasmon-excitation layer and the carrier-generating layer is higher than the dielectric constant between the carrier-generating layer and the light-incident surface. | 05-22-2014 |
20140285510 | IMAGE PROCESSING APPARATUS, METHOD, PROGRAM AND DISPLAY - This invention is to provide an image processing apparatus, an image processing method, a program, and a display in which both of a secret image and a public image can be efficiently displayed with high picture quality without reducing contrast of the public image. One of output images is a secret image which displays an input secret image as one of input images in a partial area of a screen, all the output images including the secret image have a relationship to become, when a luminance value of each pixel thereof is totaled, an input public image as one of the input images; and during a period in which at least the secret image is being outputted, shutter glasses disposed between a display to which the image signals are inputted and user's eyes are set to a light transmission state. | 09-25-2014 |
20150022784 | OPTICAL ELEMENT, OPTICAL DEVICE, AND DISPLAY DEVICE - An optical element of the present invention has a first dielectric layer, a second dielectric layer and a first metal layer arranged between the first dielectric layer and the second dielectric layer, and is characterized that the first dielectric layer has different refractive indices in a first direction, and a second direction intersecting with the first direction. | 01-22-2015 |