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Image display device and image display method

An image and image frame technology, applied in the field of image display devices and image display, can solve the problems of obvious display errors, low image quality, and reduced image quality.

Inactive Publication Date: 2008-01-30
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When a low resolution image is scaled in the manner discussed above and displayed on a high resolution display panel, the image quality is lower than when the same image is displayed on a low resolution display panel
Also, in an image display device, when image quality enhancement processing is performed on a low-resolution image with excessive noise, the noise is considered to be part of the image to make display errors more conspicuous, and the image quality degrades

Method used

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  • Image display device and image display method
  • Image display device and image display method
  • Image display device and image display method

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Embodiment Construction

[0029] Matters defined in the specification, such as detailed structures and components, are provided to help comprehensive understanding of the embodiments of the present invention, and are exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the exemplary embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions will be omitted for clarity and conciseness.

[0030] Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

[0031] FIG. 1 is a block diagram illustrating an image display device according to an exemplary embodiment of the present invention. The image display device may be a digital TV, but is not limited thereto. FIG. 1 shows components related to an exemplary embodiment of the present invention among various functional comp...

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Abstract

An image display device and an image display method, in which the display position of an image frame on a display screen changes in order to enhance the image quality, are provided. The image display device according to the exemplary embodiment of the present invention includes a decoder that decodes an input image signal; and a frame display controller which alternately outputs the decoded input image signal and an image signal obtained by delaying the decoded input image signal by a predetermined number of lines of one frame. The display position of the image frame on the display screen may change so that the image quality of a low-resolution image or an image having excessive noise is enhanced.

Description

technical field [0001] Apparatus and methods consistent with the present invention relate to an image display apparatus and image display method, and more particularly, to an image display apparatus and image display method in which display positions of image frames on a display screen are changed to enhance Image Quality. Background technique [0002] In the field of high-quality image display devices such as digital televisions (TVs), much research has been conducted on methods of improving the resolution of display panels and enhancing image quality using various image processing techniques. [0003] In order to display an image having a resolution different from that of the display panel of the image display device on the display panel, it is necessary to convert the format of the image signal into a signal format suitable for the display panel. For example, if an image signal having a resolution of 720×480 pixels is displayed on a display panel having a resolution of 1...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G5/391G09G5/39G09G5/00
CPCG09G3/007H04N7/012G09G5/005G09G2340/0471G09G2320/06G09G2340/0407G09G5/003H04N5/21H04N7/01H04N5/208
Inventor 李奉瑾
Owner SAMSUNG ELECTRONICS CO LTD