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Document Title |
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8644601 |
Reducing contours in digital images
One or more implementations access a digital image containing one or more bands. Adjacent bands of the one or more bands have a difference in color resulting in a contour between the adjacent... |
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8520151 |
Reduction of phosphor lag artifacts on display devices
Luminous elements of the three colors red, green and blue of video display devices have a different response time. Therefore, a colored edge and trail appear at edges in direction of a moving... |
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8125500 |
Apparatus for driving a plasma display panel with APL pre-measurement and corresponding method
A picture quality when reducing the brightness or the contrast of the picture on a plasma panel shall be improved. For this purpose there is provided a driving apparatus including... |
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8004612 |
Apparatus and method for controlling display brightness in an image display device
An inputted picture signal is stored in an image memory into which a picture signal for at least one frame period can be written, while rewriting the memory. At a plurality of timings within one... |
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7995098 |
Systems and methods for measuring spatial and angular performance of a visual display
Systems and methods for measuring spatial and angular performance of a visual display are disclosed herein. In one particular embodiment, for example, a method for measuring spatial and angular... |
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7982810 |
Panel-type image display device and liquid crystal television
A panel-type television whose colors and image qualities of OSD portions are kept intact and the qualities of images other than the OSD portions are adjusted is provided. The panel-type television... |
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7911545 |
Method and apparatus for processing video pictures, in particular in film mode sequences
The invention relates to a method for processing video pictures, the video pictures consisting of pixels digitally coded, the digital code word determining the length of the time period during... |
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7893997 |
Method for generating video clock and associated target image frame
A method for generating a video clock and an associated target image frame is disclosed. The method generates an output clock signal for outputting a target image frame to a panel according to a... |
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7773161 |
Method and apparatus for controlling a display device
The invention deals with the large area flicker effect reduction in display devices like plasma display panels, in which the light output is controlled by small pulses over a whole frame period... |
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7680185 |
Self-referencing bi-directionally predicted frames
An encoder/decoder uses “self-referencing” frames. For example, a second B-field in a current frame references the first B-field from the current frame in motion compensated prediction. Allowing... |
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7593062 |
Video display device and video display method
When showing a picture without trimming it while a video signal stored in a frame memory 26 has an aspect ratio different from that of a screen of a plasma display panel 29, with respect to video... |
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7489365 |
Driving a panel
A panel driving method in which a single TV field includes at least one reset period and at least one subfield and each of the at least one subfields includes an address period and a sustain... |
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7483084 |
Image display apparatus and image display method
In an image display apparatus, a video signal is divided for each field into a plurality of sub-fields, each of which is weighted according to the duration of time or number of pulses. The... |
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7477328 |
Plasma television, display panel type television, and fabrication method for display panel type television
Conventionally, it was difficult to maintain parallelism between an optical filter and a PDP, and also the weight of the optical filter was put on the PDP. With a PDP 10 and a frame 30 separately... |
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7365799 |
Gradation display device
The gradation display device contains gradient detecting circuit (3) for detecting a gradient of gradation values of pixels in an incoming image; time-varying gradation-value detecting circuit (4)... |
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7345712 |
Display apparatus
A display apparatus to receive a picture signal containing information of a picture and to process the picture signal using at least an area distinguishing the picture from another picture... |
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7339632 |
Method and apparatus for processing video pictures improving dynamic false contour effect compensation
The invention relates to a method for processing video pictures for display on a display device having a plurality of luminous elements corresponding to the pixels of a picture wherein the time of... |
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7327333 |
Method and apparatus for reducing flicker when displaying pictures on a plasma display panel
A method and apparatus for reducing flicker when displaying pictures on a plasma display panel, based on an input phase alternation line (PAL) video signal of 50 Hz. Video signal data include... |
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7227596 |
Colour defects in a display panel due to different time response of phosphors
The luminous elements of the three colours red, green and blue of a plasma video display have different time responses. Therefore, a coloured trail/edge appears behind and in front of the edges of... |
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7110050 |
Method for processing video pictures for display on a display device using self-priming and refreshing sub-fields
The invention is related to a new kind of plasma display panel control. A known principle for PDP control is based on a combination of sub-field addressing and priming. Within the priming period... |
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7042422 |
Method and device for processing video pictures
The differences between the time responses of phosphor elements of a plasma display panel (17) shall be reduced by signal processing means without a need of a motion estimator. Therefore, the... |
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7042424 |
Method for driving a plasma display panel
The object of the invention is to provide a method for driving a plasma display panel that provides an improved expression of levels of halftone as well as an improved display quality. In N... |
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7012598 |
Liquid crystal display device and method for operating the same
A method for operating a liquid crystal display having a panel with a back light includes applying a first gate signal starting a real data period followed by a second gate signal starting a black... |
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7009586 |
Method for driving plasma display panel
A driving method enables an improvement in emission efficiency and achievement of a higher degree of brightness when employing the address while display driving (AWD) scheme. Taking a 3-bit... |
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6937293 |
Image display unit for and method of displaying pixels and image display apparatus comprising such a display unit
An image display unit (100) displays an image on a display device (406), like a plasma display panel, in a number of sub-fields (204-218). The image display unit can perform motion compensation to... |
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6906759 |
Device and method for subfield coding of picture data using first subfields having different on-periods and second subfields having identical on-periods
A device for subfield coding a large-screen display generates a digital value for a picture element of the display, and determines a first number and a second number of subfields of a... |
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6747670 |
Method of addressing a plasma display panel
The object of the invention is to provide a system for encoding grey levels which makes it possible to reduce the problems of contouring by increasing the number of subscans using subscans common... |
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6630917 |
Subfield-driven display
In a method of driving a subfield-driven display (PDP), for a position in a subfield it is examined (E) whether a motion vector for the position differs from a motion vector for a neighboring... |
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6573879 |
Plasma-addressed liquid crystal display device
A plasma-addressed liquid crystal display device capable of high-speed drive and improved viewing characteristic is composed of a liquid crystal cell structure and plasma cell structure stacked... |
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6417833 |
Liquid crystal display apparatus and method for lighting backlight thereof
In the liquid crystal display, a first backlight and a second backlight are provided and lightened simultaneously. Among all the lamps constituting the backlight, those lamps outputting... |
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6333766 |
Tone display method and apparatus for displaying image signal
A tone display method for displaying a tone of an image in a display system which divides a time width of a field of an image signal into a plurality of weighted subfields and controls operation... |
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6304254 |
Display device
LC display device based on "plane switching", in which the switching speed is increased by overdriving the pixels upon a change of the voltage across these pixels while taking, for example, the... |
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6236380 |
Method for displaying gradation with plasma display panel
A method for displaying an image with gradation and a high brightness with a plasma display panel is provided. In this method, one field is divided into eight subfields, and each subfield is... |
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6100939 |
Tone display method and apparatus for displaying image signal
A intra-field time division tone display method for dividing the time width in a field of a TV signal into a plurality of subfields in the pixel storing time direction and displaying the TV image... |
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6081303 |
Method and apparatus for controlling a timing of an alternating current plasma display flat panel system
A method and an apparatus for control a timing in a flat panel display system are disclosed. In an alternating current plasma display system for respectively driving a plurality of subfields at... |
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6025818 |
Method for correcting pixel data in a self-luminous display panel driving system
In a self-luminous display panel driving system, one field of a composite video signal is divided into N sub-fields, luminance of each pixel is set by a pixel data. The pixel data comprises N bits... |
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5978052 |
Method of operating a plasma addressed liquid crystal display panel to extend useful life of the panel
A display device for displaying an image represented by an incoming raster scan video signal comprises a PALC display panel having a rectangular array of addressable panel elements. A frame buffer... |
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5763139 |
Plasma display panel and method for manufacturing the same
A plasma display panel includes a light-transmittable first substrate, a plurality of first electrodes provided in correspondence with pixels on the first substrate and partition walls provided on... |
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5475448 |
Driving method for a gas-discharge display panel
Row electrodes of a display panel are divided into first row electrodes and second row electrodes. A field for the first row electrodes is divided into a plurality of sub-fields each of which has... |
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4703229 |
Optical display from XeF excimer fluorescence
An excimer optical display includes a plasma panel device having therein a mixture of gas comprising xenon and molecular fluorine and a selected amount of other gases forming XeF excimer molecules... |
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4575765 |
Method and apparatus for transmitting images to a viewing screen
Method and apparatus for the transmission of images to a screen, wherein luminescence centers of the screen are excited by way of electron beams controlled to suit the image to be transmitted. The... |
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4385293 |
Gray shade operation of a large AC plasma display panel
A circuit for use with an AC plasma panel to cause gray shade or brightness variation at the discrete points on a displayed rastor by varying the number of emitted light pulses within a flicker... |
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4378556 |
Gray shade operation of sequentially addressed AC plasma panel
A circuit configuration for use with a small plasma panel to allow independent variation of the brightness level on a raster in addition to the information displayed by the raster. The gray scale... |
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4352101 |
Flat panel display system
A flat panel display arrangement is disclosed in which a plurality of plasma sacs are simultaneously generated from cathodes in sections disposed in side-by-side relation, supporting walls being... |
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4320418 |
Large area display
A display device is described with a large active viewing area having a high resolution electrode matrix of light emitting cells or pixels. The electrode matrix area is divided into at least two... |
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4233623 |
Television display
A television display system is described in which a full resolution, interlaced scanned display of real-time images is provided on a gas discharge display panel. Real time scanning of the display... |
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4183062 |
Row addressing apparatus for a bistable display device
A horizontal sync signal simultaneously addresses a second counter and a first memory addressing circuit comprising a frequency multiplier connected to a first counter. The output of the first... |
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4121256 |
Column electrode drive for gas discharge display device
A saving in column memory elements while preserving a stable display with a gas discharge television display device is obtained if a plurality of bits of the digital video information which is... |
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4087806 |
Plasma display control apparatus
Apparatus for controlling persistence of the display on a plasma display device by scanning the cells of a display device in an apparently random manner and extinguishing those cells whose... |
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4067047 |
Circuit and method for generating gray scale in gaseous discharge panels
A circuit and method for obtaining gray scale in gas discharge display panels which uses only one discharge site per resolution element, does not require extensive electronic memory and provides a... |