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Apparatus and method for compensating for image distortion of display apparatus

An image display device, image technology, applied in image communication, static indicators, components of color TV, etc., can solve the problems of brightness change, brightness change and image quality degradation

Inactive Publication Date: 2007-02-14
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, if barriers are used to prevent color mixing, the brightness may change when the part where the barrier is placed has less light than other parts
refer to Figure 4 , the part 20 where the barrier is placed has less light than the other parts, which causes brightness variation and image quality degradation

Method used

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  • Apparatus and method for compensating for image distortion of display apparatus
  • Apparatus and method for compensating for image distortion of display apparatus
  • Apparatus and method for compensating for image distortion of display apparatus

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Embodiment Construction

[0024] Exemplary embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0025] Figure 5 is a block diagram of an apparatus for compensating image distortion according to an exemplary embodiment of the present invention.

[0026] refer to Figure 5 , the apparatus 100 for compensating image distortion includes a display unit 102 , an image reading unit 104 , an image comparing unit 106 and a compensation unit 108 .

[0027] The display unit 102 displays the input image signal when the image signal is processed by predetermined processing to be described later in the image comparison unit 106 and the compensation unit 108 . In general, the display unit 102 includes a liquid crystal, a backlight to illuminate the liquid crystal, and an inverter to drive the backlight. In this case, in order to drive the backlight, an inverter receiving DC power from a specific power supply unit supplies power to the backlight after co...

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Abstract

A method and apparatus for compensating for image distortion, which compensate for a difference between an input image signal and an output image signal of a display apparatus, are provided. An apparatus for compensating for distortion of an image which is output from a display unit for an image display apparatus includes an image reading unit which reads an output image which is output from the display unit, an image comparison unit which estimates a difference between image characteristics of the read output image and image characteristics of an input image and creates compensation information which compensates for the difference, and a compensation unit which compensates for distortion of the output image by correcting an original image using the compensation information.

Description

technical field [0001] Apparatus and methods according to the present invention relate to display devices, and more particularly, to a method and apparatus for compensating image distortion that compensates for a difference between an input image signal and an output image signal of a display device. Background technique [0002] A display device such as a liquid crystal display device generally includes upper and lower substrates, a liquid crystal panel composed of liquid crystal injected between the upper and lower substrates, a driving circuit for driving the liquid crystal panel, and a backlight unit for supplying white light to the liquid crystal. Methods for presenting color images on liquid crystal display devices can be classified into RGB color filter methods and color field sequential drive methods. [0003] In a liquid crystal display device using a color filter method, pixels are divided into red, green, and blue (RGB) unit pixels, RGB color filters are assigned ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/57G09G3/36
CPCG09G3/2003G09G2360/145G09G3/3406G09G2310/0235G09G2320/066G09G2360/147G09G3/3611G09G3/20G09G2320/0233G09G2310/024G09G3/36
Inventor 李泳镐洪起玄
Owner SAMSUNG ELECTRONICS CO LTD