Apparatus and method for driving plasma display panel
    1.
    发明授权
    Apparatus and method for driving plasma display panel 失效
    用于驱动等离子体显示面板的装置和方法

    公开(公告)号:US07471263B2

    公开(公告)日:2008-12-30

    申请号:US11008674

    申请日:2004-12-10

    IPC分类号: G09G3/28

    摘要: Disclosed herein is an apparatus for driving a plasma display panel in which a gray scale inversion phenomenon can be prevented. According to the present invention, the apparatus for driving the PDP includes an error diffusion unit for diffusing error of data received from an inverse gamma correction unit, a gray scale inversion check unit connected to the inverse gamma correction unit, for checking whether a gray scale value of the data received from the inverse gamma correction unit is a gray scale value where a gray scale inversion phenomenon is generated, and generating a 1-bit control signal according to the check result, an adder disposed between the error diffusion unit and the gray scale inversion check unit, for adding the 1-bit control signal to lower bits of the data received from the error diffusion unit, and a dithering unit for performing dithering by using the lower bits received from the adder. Therefore, when dithering is performed on data where gray scale inversion is generated, a gray scale value can be improved by adding 1 to lowest bits of the data. It is thus possible to prevent the gray scale inversion phenomenon.

    摘要翻译: 本文公开了一种用于驱动等离子体显示面板的装置,其中可以防止灰度反转现象。 根据本发明,用于驱动PDP的装置包括用于扩散从反伽马校正单元接收的数据的误差的误差扩散单元,连接到反伽马校正单元的灰度反转检查单元,用于检查灰度级 从反伽马校正单元接收的数据的值是产生灰度反转现象的灰度值,并且根据检查结果产生1位控制信号,设置在误差扩散单元和灰度之间的加法器 用于将1位控制信号添加到从误差扩散单元接收的数据的较低位;以及抖动单元,用于通过使用从加法器接收的低位执行抖动。 因此,当对生成灰度反转的数据进行抖动时,可以通过将1加到数据的最低位来提高灰度值。 因此可以防止灰度反转现象。

    Plasma display apparatus and image processing method thereof
    3.
    发明授权
    Plasma display apparatus and image processing method thereof 失效
    等离子显示装置及其图像处理方法

    公开(公告)号:US07696958B2

    公开(公告)日:2010-04-13

    申请号:US11127186

    申请日:2005-05-12

    申请人: Jun Hak Lee

    发明人: Jun Hak Lee

    IPC分类号: G09G3/28

    摘要: The present invention relates to a plasma display apparatus and image processing method thereof. According to the present invention, the plasma display apparatus includes a scan driving unit and a sustain driving unit which have a sustain driving circuit for allowing a peaking pulse to be included in one sustain pulse so that a plurality of discharges are generated by one sustain pulse when a sustain pulse is supplied to a PDP and predetermined electrodes of the PDP.

    摘要翻译: 等离子体显示装置及其图像处理方法技术领域本发明涉及等离子体显示装置及其图像处理方法。 根据本发明,等离子体显示装置包括扫描驱动单元和维持驱动单元,其具有用于允许在一个维持脉冲中包含峰值脉冲的维持驱动电路,从而通过一个维持脉冲产生多个放电 当维持脉冲被提供给PDP和PDP的预定电极时。

    Method and apparatus for driving plasma display panel
    4.
    发明授权
    Method and apparatus for driving plasma display panel 失效
    用于驱动等离子体显示面板的方法和装置

    公开(公告)号:US07382336B2

    公开(公告)日:2008-06-03

    申请号:US10794072

    申请日:2004-03-04

    申请人: Jun Hak Lee

    发明人: Jun Hak Lee

    IPC分类号: G09G3/28

    摘要: The present invention relates to a method and apparatus for driving a plasma display panel. The method for driving a plasma display panel, the method including the steps of: tracing an average locus by using luminous centers existing at each gray scale; extracting gray scales corresponding to the luminous centers existing within a predetermined range of the average locus; and deducing non-extracted gray scales by using the extracted gray scales.

    摘要翻译: 本发明涉及一种用于驱动等离子体显示面板的方法和装置。 用于驱动等离子体显示面板的方法,所述方法包括以下步骤:通过使用存在于每个灰度级的发光中心来追踪平均轨迹; 提取对应于存在于平均轨迹的预定范围内的发光中心的灰度级; 并通过使用提取的灰度级推导未提取的灰度级。

    Plasma display apparatus and image processing method thereof
    5.
    发明授权
    Plasma display apparatus and image processing method thereof 失效
    等离子显示装置及其图像处理方法

    公开(公告)号:US07609283B2

    公开(公告)日:2009-10-27

    申请号:US11133412

    申请日:2005-05-20

    IPC分类号: G09G5/10

    摘要: The present invention relates to a plasma display apparatus and, more particularly, to a plasma display apparatus in which the ability to represent gray levels can be improved and halftone noise can be reduced by improving a plasma display apparatus and image processing method thereof. According to the present invention, the plasma display apparatus includes a motion detection unit that detects motion information of input image signal data, and a halftoning unit that halftones the image signal data by using at least one or more of a dithering method and an error diffusion method according to the motion information received from the motion detection unit.

    摘要翻译: 等离子体显示装置及其图像处理方法技术领域本发明涉及等离子体显示装置,更具体地,涉及一种等离子体显示装置,其中可以改善表示灰度级的能力,并且可以通过改进等离子体显示装置及其图像处理方法来减少半色调噪声。 根据本发明,等离子体显示装置包括:运动检测单元,其检测输入图像信号数据的运动信息;以及半色调单元,通过使用抖动方法和误差扩散中的至少一个或多个来对图像信号数据进行半色调 方法根据从运动检测单元接收的运动信息。

    Apparatus and method for processing gray scale in display device
    6.
    发明授权
    Apparatus and method for processing gray scale in display device 有权
    显示装置中灰度处理装置及方法

    公开(公告)号:US07385567B2

    公开(公告)日:2008-06-10

    申请号:US10988547

    申请日:2004-11-16

    申请人: Jun Hak Lee

    发明人: Jun Hak Lee

    IPC分类号: G09G3/28 G09G5/10

    摘要: An apparatus and method for processing a gray scale in a display device is provided. In the gray scale processing method, a video data is randomly error-diffused by using random coefficients, and the error-diffused video data is dithered by using average picture level (APL) masks, thereby enhancing a gray scale expression and minimizing an error diffusion noise.

    摘要翻译: 提供了一种用于处理显示装置中的灰度级的装置和方法。 在灰度处理方法中,通过使用随机系数随机地对视频数据进行扩散,通过使用平均图像电平(APL)掩模对误差扩散的视频数据进行抖动,从而增强灰度表达并使误差扩散最小化 噪声。

    Method and apparatus for processing video data of display device
    7.
    发明授权
    Method and apparatus for processing video data of display device 有权
    用于处理显示装置的视频数据的方法和装置

    公开(公告)号:US07256794B2

    公开(公告)日:2007-08-14

    申请号:US11009134

    申请日:2004-12-13

    IPC分类号: G09G5/02

    摘要: Discloses herein is a method and apparatus for processing video data of a display device in which dithering noise generating when a motion picture is displayed can be minimized. According to the present invention, the method of processing the video data of the display device includes the steps of comparing data of an ith frame (i is a natural number) and data of a (i+1)th frame to determine whether the data of the (i+1)th frame is a motion picture or a still image, and employing a different dithering method depending upon the determination result of the motion picture or the still image.

    摘要翻译: 本文公开了一种用于处理显示装置的视频数据的方法和装置,其中当显示运动图像时产生的抖动噪声可以被最小化。 根据本发明,处理显示装置的视频数据的方法包括以下步骤:比较第i帧(i是自然数)的数据和第(i + 1)帧的数据,以确定数据 (i + 1)帧是运动图像或静止图像,并且根据运动图像或静止图像的确定结果采用不同的抖动方法。