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Image output apparatus and method for outputting image thereof

An image output and image technology, applied in image communication, TV system components, cathode ray tube indicators, etc., can solve the problems of inability to obtain target gray level, crosstalk, response speed limitation, etc.

Inactive Publication Date: 2013-04-17
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the physical characteristics of liquid crystals, there is a limit in increasing the response speed of liquid crystals of LCDs, and, even if DCC technology is applied, there is a target gray level where the desired response speed cannot be obtained.
For this reason, if a 3D stereoscopic image is output, a crosstalk phenomenon occurs in which a left-eye image and a right-eye image overlap each other

Method used

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  • Image output apparatus and method for outputting image thereof
  • Image output apparatus and method for outputting image thereof
  • Image output apparatus and method for outputting image thereof

Examples

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Embodiment Construction

[0030] Hereinafter, example embodiments will be described in more detail with reference to the accompanying drawings.

[0031] In the following description, the same reference numerals are used for the same elements when described in different drawings. The material defined in the description, such as detailed construction and elements, is provided to assist in a comprehensive understanding of example embodiments. Thus, it is apparent that exemplary embodiments can be carried out without those particularly limited materials. Also, functions and elements that are well known in the related art are not described in detail since they would obscure example embodiments with unnecessary detail.

[0032] figure 1 is a block diagram illustrating the image output device 100 according to an example embodiment. like figure 1 As shown in , the image output device 100 includes an image input unit 110, a dynamic capacitance compensation (DCC) lookup table 120, a determination unit 130, a...

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Abstract

An image output apparatus and a method for outputting an image thereof are provided. The method of the image output apparatus determines whether a difference in grayscale values between a current image frame and a previous image frame is greater than or equal to a pre-set value, if the difference in the grayscale values is greater than or equal to the pre-set value, at least one of a maximum grayscale value and a minimum grayscale value of the current image frame is adjusted, a grayscale of the current image frame according to an input and output grayscale function having the adjusted maximum grayscale value and minimum grayscale value is adjusted and an image is output. Accordingly, a crosstalk phenomenon of a 3D stereoscopic image is removed.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to Korean Patent Application No. 10-2011-0105492 filed in the Korean Intellectual Property Office on Oct. 14, 2011, the disclosure of which is hereby incorporated by reference in its entirety. technical field [0003] Methods and devices consistent with example embodiments relate to an image output device and a method of outputting images thereof, and more particularly, to an image output device that alternately and sequentially outputs a left-eye image and a right-eye image to display a three-dimensional (3D) stereoscopic image and its methods for outputting images. Background technique [0004] Because a liquid crystal display (LCD) has a response time, it requires a constant time to drive a target gray level of an image frame. In particular, if the change in the gray level of the image frame is considerable, the LCD has a problem of outputting the next image frame before the LCD rea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N13/04G09G3/36H04N13/122
CPCG09G5/003G09G5/006H04N5/20G09G2320/0247G09G2320/0252G09G2320/0271G09G2320/0276G09G2320/066G09G2340/16G09G3/36G09G2320/0209H04N13/122G09G5/02H04N9/69
Inventor 李奎燦金星秀曹泳勋成和锡
Owner SAMSUNG ELECTRONICS CO LTD