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Match Document Document Title
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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)...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...

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