Broughton, GB
Benjamin Broughton, Abingdon GB
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20100156774 | ADAPTIVE IMAGE PROCESSING METHOD AND APPARATUS FOR REDUCED COLOUR SHIFT IN LCDs - A method and apparatus is provided for reducing colour shift in relation to viewing angle in an LCD. The method includes receiving a plurality of pixel data constituting an image, each pixel data including a plurality of sub-pixel colour components having respective data values; for each of the pixel data, comparing the sub-pixel colour component data values included therein; and based on the comparison, modifying the sub-pixel colour component data values included in the pixel data to reduce colour shift when displayed on the LCD. | 06-24-2010 |
Benjamin Broughton, Oxford GB
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20150070607 | STEREOSCOPIC DISPLAY APPARATUS - A three-dimensional display apparatus includes a display device capable of displaying an image, and a liquid crystal lens disposed so as to overlap the display device. The liquid crystal lens includes an insulating substrate, a first electrode formed extending in a first direction, a second electrode formed substantially parallel to the first electrode, a high resistance portion electrically connecting the first electrode and the second electrode, an opposing substrate, a common electrode, a liquid crystal layer, and a controller. The sheet resistance of the high resistance portion is in 100 GΩ/sq or less. The controller controls, in one of the modes, the first electrode and the second electrode to be at different potentials. | 03-12-2015 |
Benjamin J. Broughton, Cambridge GB
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20090041065 | Liquid Crystal Device - A tuneable laser device comprises first and second cell walls enclosing a layer of a liquid crystal material having a helical axis substantially normal to the inner surfaces of the cell walls in the absence of an applied field. The liquid crystal contains a fluorescent, phosphorescent, luminescent or rare-earth dye. The device includes electrodes for applying a transverse electric field substantially normal to the helical axis. The invention also provides a method of electrically adjusting the peak wavelength of a photonic band edge laser comprising a chiral nematic liquid crystal material having a helical axis and a fluorescent, phosphorescent, luminescent or rare-earth dye therein and optically pumped by a suitable light source. The method comprises applying an electric field substantially perpendicular to the helical axis so as to deform the helix by means of the flexoelectric effect. | 02-12-2009 |
20090167970 | Flexoelectro-optic liquid crystal device - A device for controlling the polarization state of transmitted light comprises first and second cell walls enclosing a layer of a chiral liquid crystal material. The material has a uniformly orientated helical axis in the absence of an applied field, and electrodes for applying an electric field substantially normal to the helical axis. An applied electric field flexoelectrically couples to the molecules, causing distortion of the helical structure and hence changes the bulk birefringence of the cell. | 07-02-2009 |
Benjamin James Broughton, Abingdon GB
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20110234605 | DISPLAY HAVING SPLIT SUB-PIXELS FOR MULTIPLE IMAGE DISPLAY FUNCTIONS - A display which includes a plurality of sub-pixels each split into a plurality of sub-regions. Each sub-pixel includes a single gate line and a single signal line, and each sub-region within a given sub-pixel includes a corresponding storage capacitor line. An optical element cooperatively combines with the plurality of sub-pixels to create distinct angularly dependent brightness functions in association with corresponding sub-regions within the sub-pixels. Control electronics are configured to provide image data levels in the form of signal data voltages to each sub-region included within each sub-pixel via the gate line and signal line included within the sub-pixel; and to independently modify the signal data voltages provided to each sub-region within the sub-pixels via the corresponding storage capacitor lines whereby the display operates in accordance with at least two different image functions. | 09-29-2011 |
Benjamin John Broughton, Oxford GB
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20100066960 | LIQUID CRYSTAL DEVICE AND DISPLAY APPARATUS - A liquid crystal device comprises a first alignment surface which induces a high pretilt greater than 45° but less than 90°; a typical value is 85°. The pretilt has a component parallel to the surface pointing in a predetermined direction. A second alignment surface induces a low pretilt which is less than 45° but greater than 0°; a typical pretilt is 5°. The low pretilt has a component parallel to the second surface which also points in the predetermined direction. A layer of crystal material is disposed in between the first and second surfaces. A novel liquid crystal mode is thus provided and is referred to as the “splay-twist mode”. Such a device may be used in a switchable public/private display. | 03-18-2010 |
20100214324 | DISPLAY DEVICE - A display device is provided that comprises a liquid crystal display panel ( | 08-26-2010 |
20100220043 | LIQUID CRYSTAL DEVICE - A liquid crystal device comprises an active matrix substrate ( | 09-02-2010 |
20100309204 | DISPLAY - A display comprises a parallax optic ( | 12-09-2010 |
20110122329 | DISPLAY - A display for providing several viewing modes of different angular viewing characteristics comprises a display device and a passive optical device ( | 05-26-2011 |
20110261093 | ADAPTIVE IMAGE PROCESSING METHOD AND APPARATUS FOR REDUCED COLOUR SHIFT IN LCDs - A method and apparatus is provided for reducing colour shift in relation to viewing angle in an LCD. The method includes receiving a plurality of pixel data constituting an image, each pixel data including a plurality of sub-pixel colour components having respective data values; for each of the pixel data, comparing the sub-pixel colour component data values included therein; and based on the comparison, modifying the sub-pixel colour component data values included in the pixel data with respect to two or more of the plurality of sub-pixel colour components to reduce colour shift when displayed on the LCD. | 10-27-2011 |
20120154458 | APPARATUS, DISPLAY DEVICE, PROGRAM AND METHOD THEREOF FOR PROCESSING IMAGE DATA FOR DISPLAY BY A DISPLAY PANEL - A method of processing image data for display by a display panel of a display device is provided. The method comprises receiving main image pixel data representing a main and side image pixel data representing a side image. In a first processing step, a mapping is performed of the pixel data to signals used to drive the display panel. The mapping is arranged to produce an average on-axis luminance which is dependent mainly on the main image pixel data and an average off-axis luminance which is dependent at least to some extent on the side image pixel data. In a second processing step, the received side image pixel data are processed to emphasise at least one feature of the side image which might otherwise be perceived by a viewer as being de-emphasised in the side image displayed off axis as a result of the first processing step. | 06-21-2012 |
20120169790 | APPARATUS, DISPLAY DEVICE, METHOD, PROGRAM, STORAGE MEDIUM AND LOOKUP TABLE FOR OPERATING A DISPLAY DEVICE COMPRISING A DISPLAY PANEL - A method of operating a display device comprising a display panel comprises receiving main and side image pixel data respectively representing a main image (S | 07-05-2012 |
20120176404 | METHOD, APPARATUS AND PROGRAM FOR PROCESSING IMAGE DATA FOR DISPLAY BY A DISPLAY PANEL OF A DISPLAY DEVICE, AND A DISPLAY DEVICE - A method is provided of processing image data for display by a display panel of a display device. The method comprises receiving main image pixel data representing a main image and side image pixel data representing a side image, and performing a mapping of the pixel data to signals used to drive the display panel. The mapping is arranged to produce an average on-axis luminance which is dependent mainly on the main image pixel data and an average off-axis luminance which is dependent at least to some extent on the side image pixel data. A compression of the main image pixel data is performed in advance of or at least partly incorporated into the mapping, the compression being performed at least partly in dependence upon the main image pixel data and at least partly in dependence upon how the off-axis luminance varies with pixel data input to the mapping. | 07-12-2012 |
20130088528 | IMAGE PROCESSING METHOD FOR REDUCED COLOUR SHIFT IN MULTI-PRIMARY LCDs - A method of processing an image comprises: receiving pixel data constituting an image, the pixel data including at least four sub-pixel colour components having respective data values, and modifying one or more of the sub-pixel colour component data values. The data values of corresponding sub-pixels from two pixels are modified in opposite directions to one another and such that the overall luminance of the display panel appears substantially unchanged to an on-axis viewer of the display panel. | 04-11-2013 |
20130342664 | SWITCHABLE IMAGING DEVICE, SWITCHABLE OPTICAL DEVICE, AND DISPLAY - A switchable imaging device ( | 12-26-2013 |
20140002481 | METHOD FOR CONVERTING DATA, DISPLAY DEVICE, COMPUTING DEVICE AND PROGRAM INCORPORATING SAME, AND METHOD FOR OPTIMISING COEFFICIENTS AND DEVICE AND PROGRAM INCORPORATING SAME | 01-02-2014 |
20140160177 | DISPLAY - A display comprises independently addressable pixels, a pixel comprising first and second electrodes ( | 06-12-2014 |
20140210878 | A METHOD OF PROCESSING IMAGE DATA FOR DISPLAY ON A DISPLAY DEVICE, WHICH COMPRISING A MULTI-PRIMARY IMAGE DISPLAY PANEL - A method of processing image data for display on a display device having a multi-primary image display panel ( | 07-31-2014 |
20150042769 | IMAGE PROCESSING FOR PRIVACY AND WIDE-VIEW USING ERROR DIFFUSION - A display device includes control electronics and a pixellated liquid crystal (LC) panel. The control electronics receives inputs of main image data for a main image and side image data for a side image. The control electronics outputs combined image data combining the main and side images such that an on-axis viewer perceives from the combined image the main image, and an off-axis viewer perceives from the combined image the side image. The output image data comprises data values chosen from a set of available output data values for the pixels selected from multiple sets of available data values depending on at least on the side image data. For a pixel currently being processed, the output data value is chosen from the selected set of available output data values for which a resulting luminance value is closest to a target luminance value for the current pixel. | 02-12-2015 |
20150379960 | DISPLAY DEVICE WITH A BACKLIGHT - A display includes a backlight portion having at least one broad spectrum emitter (such as white) and at least one narrow spectrum emitter (such as red, green, and blue), a liquid crystal panel for displaying an image by spatial light modulation, and control electronics configured to receive input image data and output control signals to both the backlight portion and liquid crystal panel. The control electronics is configured to use color rendering capabilities of the liquid crystal panel under illumination from each of the emitter types individually to calculate a minimum power combination of emission from each emitter type required to display the input image data. The control electronics is further configured to modify the input image data according to the calculated minimum power combination of emitter powers so a resulting display of colours in the image data remains despite changing illumination conditions. | 12-31-2015 |
Benjamin John Broughton, Pembrokeshire GB
Patent application number | Description | Published |
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20110012924 | DISPLAY DEVICE AND LIQUID CRYSTAL DISPLAY PANEL - A display device is provided that comprises a liquid crystal display panel for displaying an image by spatial light modulation, and circuitry for switching liquid crystal in the panel between having a first configuration in a first mode to cause an image displayed using the panel to be discernible from a wide range of viewing angles, and having a second configuration in a second mode to cause an image displayed using the panel to be discernible substantially only from within a narrow range of viewing angles. Several types of display panel to achieve such in-panel switching between public and private viewing modes are disclosed. | 01-20-2011 |
20120056914 | DISPLAY DEVICE AND LIQUID CRYSTAL DISPLAY PANEL - A display device is provided that comprises a liquid crystal display panel for displaying an image by spatial light modulation, and circuitry for switching liquid crystal in the panel between having a first configuration in a first mode to cause an image displayed using the panel to be discernible from a wide range of viewing angles, and having a second configuration in a second mode to cause an image displayed using the panel to be discernible substantially only from within a narrow range of viewing angles. Several types of display panel to achieve such in-panel switching between public and private viewing modes are disclosed. | 03-08-2012 |
20120147026 | DISPLAY DEVICE AND LIQUID CRYSTAL DISPLAY PANEL - A display device is provided that comprises a liquid crystal display panel for displaying an image by spatial light modulation, and circuitry for switching liquid crystal in the panel between having a first configuration in a first mode to cause an image displayed using the panel to be discernible from a wide range of viewing angles, and having a second configuration in a second mode to cause an image displayed using the panel to be discernible substantially only from within a narrow range of viewing angles. Several types of display panel to achieve such in-panel switching between public and private viewing modes are disclosed. | 06-14-2012 |
Benjamin John Broughton, Oxfordshire GB
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20100295755 | DISPLAY - A display is provided having a public viewing mode and a private viewing mode. The display comprises a display device ( | 11-25-2010 |
Benjamin John Broughton, Abingdon GB
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20110175936 | ANGULAR DEPENDENT PIXELS FOR TRICK VIEW - A display device having a display panel for displaying an image by spatial light modulation includes a plurality of pixel groups, each pixel group including a first pixel having a first type of luminance against viewing angle response, and a second pixel having a second type of luminance against viewing angle response, wherein the first and second luminance against viewing angle responses are different from one another. The display device further includes a controller operatively coupled to each of the plurality of pixel groups, wherein the controller is configured to drive each of the plurality of pixel groups such that on average the plurality of pixel groups simultaneously provide a predetermined on-axis luminance and an predetermined off-axis luminance for a region of the image corresponding to each pixel group. | 07-21-2011 |
20110291919 | OFF AXIS HALO MITIGATION - A method for modifying an image to be displayed on a display includes receiving an image to be displayed on the display having a backlight and a transmissive panel. A backlight signal is provided to the backlight for causing the backlight to selectively illuminate different portions of the backlight with different characteristics. The characteristics include at least one of a different color and a difference luminance. A panel signal is provided to the panel for causing the transmissive panel to selectively change its transmittivities. At least one of the backlight signal and the panel signal are modified in a manner to reduce off-axis artifacts. | 12-01-2011 |
20130063457 | DISPLAY DEVICE WITH FASTER CHANGING SIDE IMAGE - A display device is provided which includes a liquid crystal display panel including a plurality of pixels each having one or more sub-pixels; and control electronics configured to provide, in response to image data, signal voltages to the pixels in a first mode whereby an on-axis viewer and an off-axis viewer perceive substantially a same main image, and signal voltages to the pixels in a second mode whereby the on-axis viewer perceives the main image and the off-axis viewer perceives a side image different from the main image. | 03-14-2013 |
Ben John Broughton, Oxford GB
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20110018860 | DISPLAY - A display is provided having private and public viewing modes. The display comprises a display device and a parallax optic ( | 01-27-2011 |
James Edward Broughton, Enfield GB
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20140118465 | CALLEE REJECTION INFORMATION FOR REJECTED VOICE CALLS - A system includes a rejection module in a phone configured to receive calls over a network and a remote rejection announcement server (RAS) configured to receive calls over the network. The rejection module is configured to generate at least a portion of an incoming call user interface (UI) on the phone. The UI indicates incoming call signalling, associated with an incoming call from a caller, over a call signalling path in the network. One or more rejection options is provided for selection by a caller. Rejection reason data is generated based on selecting one of the rejection options. The rejection reason data is sent using a rejection reason path separate from the call signalling path. The remote RAS is configured to receive the incoming call from the caller, receive the rejection reason data over the rejection reason path, and generate an audio/video message based on the rejection reason data. | 05-01-2014 |
Paul Broughton, Exmouth, Devon GB
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20160125855 | Drum Cover - A cover for a bass drum. The cover has a disc-shaped main body. A surface of the main body has a layer of sound proofing material. The cover is attachable in a detachable manner to a rim of the drum so as to extend across the surface of the drum skin. | 05-05-2016 |
Peter Broughton, Camberley GB
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20120093589 | FOUNDATION SUPPORT SYSTEM FOR AN OFFSHORE WIND ENERGY CONVERTOR, CORRESPONDING TO AN OFFSHORE WIND POWER GENERATING FACILITY - A foundation system for supporting an offshore wind energy convertor is provided and includes a foundation base resting on the seabed and a column supporting the wind energy convertor which is linked to the foundation base. The column and the base are linked by an articulated joint connection, allowing tilt motions of the column in all directions from a vertical axis. A wind power generator facility including such a support, and a method of erecting such a foundation system, are also provided. | 04-19-2012 |
Simon Broughton, Lancashire GB
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20090076231 | Production of polymers in a conical reactor - The present invention provides a process for the preparation of polymer which comprises the steps of i) feeding an aqueous mixture comprising a monoethylenically unsaturated monomer or a mixture of monoethylenically unsaturated monomers and an initiator into the top of a reactor ii) polymerizing the monoethylenically unsaturated monomer to form a gel-like aqueous mixture comprising the polymer, iii) squeezing the gel-like aqueous mixture comprising the polymer out of the bottom of the reactor using inert gas, wherein the reactor is either a vertical fully conical reactor having an angle (alpha) between top diameter (d | 03-19-2009 |