Patent application number | Description | Published |
20080225114 | Stereoscopic Display Apparatus - A method of computing a display value to be provided to a stereoscopic display apparatus ( | 09-18-2008 |
20080266224 | Color-Sequential Display Device - A display arrangement comprises a plurality of pixel elements (FLCD) that have controllable light-transfer characteristics. A display driver controls the plurality of pixel elements in accordance with a color component (R) during a control interval (TO) that is assigned to the color component. The display driver causes a color-light source (RL | 10-30-2008 |
20080266387 | Autostereoscopic Display Device - A switchable autostereoscopic display device comprises a display panel having an array of display pixels for producing a display, the display pixels being arranged in rows and columns; and an imaging arrangement for directing the output from different pixels to different spatial positions to enable a stereoscopic image to be viewed. The imaging arrangement is electrically switchable between at least three modes comprising a 2D mode and two 3D modes. The imaging arrangement comprises an electrically configurable graded index lens array. The display can be switched between a number of modes to enable the display to be adapted or to adapt itself to the image content to be displayed and/or the display device orientation. | 10-30-2008 |
20080266472 | Switchable Autostereoscopic Display Device - A switchable autostereoscopic display device comprising: a display panel having an array of display pixels for producing a display, the display pixels being arranged in rows and columns; an array of lens elements arranged over the display panel for directing the light output of the display pixels so as to provide a stereoscopic image, the lens elements comprising an electro-optic material whose refractive index is switchable by selective application of an electric field between a first value that maintains the light output directing function and a second value that removes the light output directing function; and discontinuous electrode layers provided above and below the lens elements for applying the electric field across the lens elements. The electrode layers are spaced from the lens elements by dielectric layers, such that the effect of the electrode layer discontinuities on the electric field in the lens elements is reduced. | 10-30-2008 |
20080297594 | Autostereoscopic Display Device - A switchable autostereoscopic display device comprising: a display panel having an array of display pixels for producing a display, the display pixels being arranged in rows and columns; an array of lens elements arranged over the display panel for directing the light output of the display pixels so as to provide a stereoscopic image, the lens elements comprising an electro-optic material whose refractive index is switchable by selective application of an electric field between a first value that maintains the light output directing function and a second value that removes the light output directing function; and electrode arrangements provided above and below the lens elements for applying the electric field across the lens elements. At least one of the electrode arrangements comprises first and second electrode layers separated by a dielectric layer, and each electrode layer comprises a plurality of parallel elongate electrodes separated by gaps. The electrodes of each electrode layer are aligned with the gaps of the other electrode layer. In this way, the effect of the gaps on the electric field in the lens elements is reduced. | 12-04-2008 |
20080316380 | Controlling the Perceived Depth of Autostereoscopic Display Device and Method Therefor - An autostereoscopic display device comprises: a display panel having an array of display pixels for producing a display, the pixels being arranged in rows and columns; and at least two arrays of light output directing elements, the arrays being arranged in series over the display panel at different depths, each array being controllable to direct the light output from respective groups of pixels in different directions to enable a stereoscopic image to be perceived. The device is operable to selectively control any one of the arrays to provide the light output directing function, thereby providing respective first and second three dimensional display modes having different amounts of perceived depth. | 12-25-2008 |
20080316433 | Beam Switch For An Optical Imaging System - The present invention relates to a beam switch ( | 12-25-2008 |
20100002079 | MULTI-VIEW DISPLAY DEVICES - A display system, comprises a multi-view display panel ( | 01-07-2010 |
20100027115 | LENS STRUCTURE FOR AN AUTOSTEREOSCOPIC DISPLAY DEVICE - A lens structure for a display device comprises a lenticular arrangement, the lenticular arrangement comprising an array of parallel lenticular elements and comprising a birefringent layer. The extraordinary axis of the birefringent layer is arranged to be substantially at an angle between 30° and 90° with the elongate axis of the lenticular elements. | 02-04-2010 |
20100033680 | AUTOSTEREOSCOPIC DISPLAY DEVICE AND A SYSTEM USING THE SAME - An autostereoscopic display device comprises a reflection layer for reflecting at least a portion of incident light, a polarization conversion layer arranged over the reflection layer, and an array of lenticular elements arranged over at least a portion of the polarization conversion layer and including a birefringent material. Light having a first state of polarization is arranged to pass through the lenticular element array without substantial lenticular element focusing, wherein the polarization state is transformed by the polarization conversion layer such that the reflected light has a second state of polarization arranged to pass through the lenticular element array with lenticular element focusing to provide multiple views. | 02-11-2010 |
20100045205 | REMOTE COLOR CONTROL DEVICE AND LIGHTING SYSTEM - A device is disclosed for wireless control of color of light emitted by a lighting system. The lighting system comprises signal receiving means and means for adjusting the color of light emitted from at least one lighting element, in response to a received color control signal from the device. The device for wireless control comprises means for—generating color information data, said data being indicative of a desired color of light to be emitted by the lighting system, means for modulating a first carrier signal in accordance with the color information data, and means for transmitting said color control signal in the form of a beam of said first modulated carrier signal to the lighting system. | 02-25-2010 |
20100046219 | LIGHT GUIDE AND LIGHT-OUTPUT DEVICE - A light guide ( | 02-25-2010 |
20100149444 | BEAM-SHAPING DEVICE - A beam shaping device ( | 06-17-2010 |
20100165221 | DISPLAY DEVICE - A multi-view autostereoscopic display device ( | 07-01-2010 |
20100259819 | AUTO-STEREOSCOPIC DISPLAY DEVICE - An auto-stereoscopic display device which addresses the problem of how to provide an improved three dimensional effect without degrading the resolution of the views. The auto-stereoscopic display device comprises: image forming means having an array of display pixels for producing a display; view forming means positioned in registration with the image forming means and having an array of view forming elements, the view forming elements each being configurable to focus the outputs of groups of the display pixels into a plurality of views projected towards a user in different directions; and view deflecting means positioned in registration with the view forming means, the view deflecting means being arranged to selectably change the directions in which the plurality of views are projected towards the user. The view deflecting means comprise at least one birefringent prism having a first refractive index for light having a first polarization direction and a second refractive index for light having a second polarization direction. The view deflecting means further comprise a polarization switch in registration with the birefringent prism for providing the birefringent prism with display light having the first or second polarization direction. Specific arrangements of the image forming means, the view forming means and the view deflection means provide an even distribution of pixels and virtual pixels associated with the deflected views | 10-14-2010 |
20100265692 | LIGHT SOURCE AND ILLUMINATION SYSTEM HAVING A PREDEFINED EXTERNAL APPEARANCE - The invention relates to alightsource and an illumination system. The light source ( | 10-21-2010 |
20100309648 | LIGHT EMITTING DEVICE - The present invention relates to a light emitting device ( | 12-09-2010 |
20100327744 | LIGHTING SYSTEM, ELECTRODE DEVICE AND LIGHT SOURCE - A system comprises a light source and an electrode device ( | 12-30-2010 |
20100328440 | AUTOSTEREOSCOPIC DISPLAY DEVICE - An autostereoscopic display device having a plurality of operating modes for providing different brightness non-uniformity and cross talk display characteristics. The device comprises: an image forming means having an array of display pixels for producing a display, the display pixels being spatially defined by an opaque matrix; and a view forming means arranged in registration with the image forming means and having an array of view forming elements configurable to focus outputs of groups of the display pixels into a plurality of views projected towards a user in different directions, thereby enabling autostereoscopic imaging, wherein a focusing strength of the view forming means is electrically switchable. The device also comprises a driving means arranged to drive the image forming means with video data for the plurality of views and to switch the focusing strength of the view forming means between first and second values substantially corresponding to local minima of an intensity modulation depth introduced by imaging of the opaque matrix. | 12-30-2010 |
20110013389 | LIGHTING SYSTEM - This invention relates to a lighting system ( | 01-20-2011 |
20110069508 | LUMINAIRE KIT AND METHOD - It is provided a luminaire kit of parts ( | 03-24-2011 |
20110075256 | OPTICAL ARRANGEMENT AND AN AUTOSTEREOSCOPIC DISPLAY DEVICE INCORPORATING THE SAME - An autostereoscopic display lens arrangement comprises an array ( | 03-31-2011 |
20110164036 | AUTOSTEREOSCOPIC DISPLAY DEVICE - An autostereoscopic display device comprising a view forming module in registration with an image forming means. The image forming means has an orthogonal array of display pixels spatially defined by an opaque matrix. The view forming module provides at least two optical functions, namely a view forming function and a brightness non-uniformity reducing function. The view forming function modifies the direction of outputs of the display pixels such that the outputs of groups of the display pixels are projected in respective different directions as a plurality of views. The view forming function is provided by an array of parallel lenticular lenses arranged across the view forming module and having a first pitch. The brightness non-uniformity reducing function spreads the outputs of the display pixels such that brightness non-uniformities caused by imaging of the opaque matrix are reduced. The brightness non-uniformity reducing function defines a second pitch across the view forming module less than the first pitch, and further defines an effective spreading angle in a plane perpendicular to axes of the view forming elements substantially equal to or less than the angle between adjacent views projected by the view forming function. The brightness non-uniformity reducing function is provided by an array of lenses or a diffuser. In the case of an array of lenses, these lenses may be integrated with the lenticular lenses providing the view forming function in the form of lenses having a polygonal cross section. | 07-07-2011 |
20120062121 | LIGHT MODULE - The invention relates to a light module for electrical and thermal attachment to an energy infrastructure having at least one power supply, each power supply comprising two electrodes, said light module comprising a light source to emit light, wherein the light source is a heat source when emitting light, two electrical contacts to contact the electrodes of the at least one power supply and thereby establishing the electrical attachment between the light module and the energy infrastructure, a control system arranged between the light source and the electrical contacts to control a power supplied to the light source, wherein the light module comprises a measurement system to measure a thermal resistance of the thermal attachment between the light module and the energy infrastructure when establishing the electrical attachment, and wherein the control system is configured to reduce the power supplied to the light source when the thermal resistance is above a predetermined value to protect the light module from overheating. The invention also relates to a method for protecting a light module from overheating. | 03-15-2012 |
20120154086 | Electronic device as well as a base part and an electronic element suitable for use in such an electronic device - An electronic device ( | 06-21-2012 |
20120162963 | LIGHTING SYSTEM WITH GRAVITY CONTROLLED LIGHT BEAM - A lighting system ( | 06-28-2012 |
20120201014 | FLOOR COVERING SYSTEM COMPRISING A LIGHTING SYSTEM - The invention provides a floor covering system ( | 08-09-2012 |
20130057159 | MULTI-VIEW DISPLAY DEVICE - A multi-view display device comprises a pixellated display panel and a backlight comprising an arrangement of light sources ( | 03-07-2013 |
20130200791 | WIRELESS ELECTRICAL POWER SUPPLY UNIT AND ARRANGEMENT COMPRISING A LIGHT TRANSMISSIVE COVER AND LIGHTING SYSTEM - The invention provides a wireless electrical power supply unit ( | 08-08-2013 |