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    • 62. 发明专利
    • Display device
    • 显示设备
    • JP2008116770A
    • 2008-05-22
    • JP2006301088
    • 2006-11-07
    • Hitachi Displays Ltd株式会社 日立ディスプレイズ
    • ABE HIROYUKISUGIYAMA SAORIASUMA HIROAKI
    • G02F1/1365G09F9/00
    • G09G3/20G02F1/136204G02F2202/22G09G3/3648G09G2300/08G09G2330/06
    • PROBLEM TO BE SOLVED: To prevent occurrence of electrostatic breakdown caused by static electricity after a cell cutting step. SOLUTION: In the display device having a substrate, a plurality of pixels provided in a pixel part, a plurality of video lines applying video voltage to the plurality of pixels and a video voltage selection circuit selecting video voltage to be input and supplying the video voltage to a prescribed video line of the plurality of video lines, a static electricity protection circuit for pixel part protection is connected to a plurality of video voltage input lines inputting video voltage to the video voltage selection circuit and a static electricity protection circuit for peripheral circuit protection is connected to wiring lines other than the video voltage input lines connected to the video voltage selection circuit. The static electricity protection circuit for pixel part protection is connected between the plurality of video voltage input lines and the static electricity protection circuit for peripheral circuit protection is connected between at least one video voltage input line and at least one wiring line other than the video voltage input lines, between a plurality of wiring lines other than the video voltage input lines and between at least the one wiring line other than the video voltage input lines and a reference voltage wiring line to which reference voltage is applied. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了防止在电池切割步骤之后由静电引起的静电破坏的发生。 解决方案:在具有基板的显示装置中,设置在像素部分中的多个像素,向多个像素施加视频电压的多个视频行和选择要输入和供给的视频电压的视频电压选择电路 将视频电压提供给多条视频线中的规定视频行,将用于像素部分保护的静电保护电路连接到对视频电压选择电路输入视频电压的多个视频电压输入线,以及静电保护电路 外围电路保护连接到除了连接到视频电压选择电路的视频电压输入线之外的布线。 用于像素部分保护的静电保护电路连接在多个视频电压输入线之间,用于外围电路保护的静电保护电路连接在至少一个视频电压输入线和除了视频电压之外的至少一个布线 在视频电压输入线以外的多条布线之间以及至少一条不同于视频电压输入线的布线之间的输入线以及施加基准电压的基准电压布线。 版权所有(C)2008,JPO&INPIT
    • 63. 发明专利
    • Display control apparatus
    • 显示控制装置
    • JP2007279399A
    • 2007-10-25
    • JP2006105742
    • 2006-04-06
    • Toshiba Corp株式会社東芝
    • ARAI TORU
    • G09G3/36G02F1/133G09G3/20
    • G09G3/3688G09G2310/08G09G2330/021G09G2330/06
    • PROBLEM TO BE SOLVED: To provide a display control apparatus capable of reducing power consumption and EMI.
      SOLUTION: In the display control apparatus in which source drivers are mutually cascade-connected, each source driver is provided with: a data input circuit 9 for inputting data; a clock input circuit 2 for inputting a clock signal; a latch circuit 5 for latching data synchronously with the clock signal; a data output circuit 10 for outputting the data input to the data input circuit 9; a clock output circuit 3 for outputting the clock signal input to the clock input circuit 2; a data input signal generation circuit 13 for outputting a data input signal to the succeeding stage; a drive start detection circuit for latching a start pulse signal or the data input signal output from the preceding stage synchronously with the clock signal; and a control circuit for starting the clock input circuit 2 during a period from the start of data latch in the initial stage up to the input of the data input instruction signal output from the preceding source driver to drive the clock input circuit 2 only for a prescribed period.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供能够降低功耗和EMI的显示控制装置。 解决方案:在源极驱动器相互串联连接的显示控制装置中,每个源极驱动器具有:用于输入数据的数据输入电路9; 用于输入时钟信号的时钟输入电路2; 用于与时钟信号同步地锁存数据的锁存电路5; 数据输出电路10,用于输出输入到数据输入电路9的数据; 时钟输出电路3,用于输出输入到时钟输入电路2的时钟信号; 数据输入信号生成电路13,用于向后级输出数据输入信号; 驱动启动检测电路,用于与时钟信号同步地锁存起始脉冲信号或从前一级输出的数据输入信号; 以及控制电路,用于在从初始阶段的数据锁存开始到从前一个源极驱动器输出的数据输入指令信号的输入之间的一段时间内启动时钟输入电路2,以仅驱动时钟输入电路2 规定期限 版权所有(C)2008,JPO&INPIT
    • 65. 发明专利
    • Power circuit and video display device using the same
    • 电源电路和使用其的视频显示装置
    • JP2007192960A
    • 2007-08-02
    • JP2006009472
    • 2006-01-18
    • Hitachi Ltd株式会社日立製作所
    • KUBOTA HIDENAONISHINAKA YUZOIWANE YUKIYAMADA YUTAKAKIMURA KATSUNOBU
    • G09F9/00H04N5/64
    • G09G3/2965G09G2330/02G09G2330/06
    • PROBLEM TO BE SOLVED: To provide a video display device for reducing cost and having no problem of electromagnetic disturbance.
      SOLUTION: The power circuit is provided with: an AC inlet to which the conductors from an external AC power source are connected; a filter circuit to which an inductance element is connected and which suppresses electromagnetic waves from leaking outside the video display device; and a switch which turns on-off an AC output from the filter circuit, on a circuit board. The whole circuit board of the power circuit is covered with an electromagnetic shielding means for shielding. The electromagnetic shielding means is configured of, for example, a first shielding means which surrounds side face sides of the circuit board and a second shielding part which covers a top face side of the circuit board, and the second shielding part is constituted of a part of a rear cover plane part of the video display device.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种用于降低成本并且没有电磁干扰问题的视频显示装置。 电源电路设有:外部交流电源的导体连接到的交流电输入口; 连接有电感元件的滤波电路,抑制电磁波泄漏到视频显示装置外部; 以及在电路板上接通来自滤波器电路的AC输出的开关。 电源电路的整个电路板覆盖有用于屏蔽的电磁屏蔽装置。 电磁屏蔽装置例如由围绕电路板的侧面的第一屏蔽装置和覆盖电路板的顶面侧的第二屏蔽部构成,第二屏蔽部由部分 的视频显示装置的后盖平面部分。 版权所有(C)2007,JPO&INPIT
    • 66. 发明专利
    • Apparatus and method for driving display panel
    • 用于驱动显示面板的装置和方法
    • JP2007171919A
    • 2007-07-05
    • JP2006240403
    • 2006-09-05
    • Samsung Sdi Co Ltd三星エスディアイ株式会社
    • YEO JAE-YOUNG
    • G09G3/291G09G3/20G09G3/288G09G3/292G09G3/293G09G3/294G09G3/296G09G3/298
    • G09G3/2965G09G3/292G09G3/2927G09G2310/0218G09G2310/061G09G2330/025G09G2330/06
    • PROBLEM TO BE SOLVED: To provide an apparatus for driving a display panel that can reduce the emission of an EMI due to an abrupt change of a current.
      SOLUTION: The apparatus drives the display panel by supplying electric power to a plurality of electrode lines from a power source of at least one or more levels, and has a first control signal which controls connections between a power source for a first specified voltage and the electrode lines and a second control switch which controls connections between the respective electrode lines and a power source for a second specified voltage. When a signal for opening the first control switch and closing the second control switch is supplied to all the electrode lines, the electrode lines are divided into two or more groups and made different, group by group, in the timing where the first control switch is opened and the second control switch is closed.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种用于驱动显示面板的装置,其可以减少由于电流的突然变化引起的EMI的发射。 解决方案:该设备通过从至少一个或多个电平的电源向多个电极线提供电力来驱动显示面板,并且具有第一控制信号,该第一控制信号控制电源之间的第一指定 电压和电极线以及第二控制开关,其控制各个电极线之间的连接和用于第二指定电压的电源。 当将所述第一控制开关断开的信号和关闭第二控制开关的信号提供给所有的电极线时,在第一控制开关为止的时刻,电极线被分成两组或多组, 打开,第二个控制开关关闭。 版权所有(C)2007,JPO&INPIT
    • 67. 发明专利
    • Image data processor and processing method
    • 图像数据处理器和处理方法
    • JP2007150715A
    • 2007-06-14
    • JP2005342242
    • 2005-11-28
    • Sony Corpソニー株式会社
    • KOSUGE KATSUYA
    • H04N19/102H04N1/41H04N5/225H04N5/232H04N19/00H04N19/115H04N19/196H04N19/625H04N19/91H04N101/00
    • H04N19/115G09G5/00G09G2330/021G09G2330/06G09G2340/02H04N19/124H04N19/60
    • PROBLEM TO BE SOLVED: To reduce radiation interference, power consumption, and heat generation when display image data are transmitted to a display section. SOLUTION: A compressor 22 compresses the display image data by JPEG and the compressed image data are supplied to a clock control section 27. A control section 34 controls a quantizer 25 of the compressor 22, and a clock control section 27, and the image data are transmitted to an expander of the display section through an output section and a flexible wiring board. Estimating units 30 to 33 estimates code amounts corresponding to respective quantizing processes by quantizing matrixes Q0 to Q3. When a code amount am0 is less than a set code amount TGT at which radiation interference can be allowable, the code amount am0 is compared with thresholds AM0 to AM2 and a clock frequency is changed to a lower frequency according to the code amount am0. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:当显示图像数据被发送到显示部分时,减少辐射干扰,功率消耗和发热。 解决方案:压缩机22通过JPEG压缩显示图像数据,压缩图像数据被提供给时钟控制部分27.控制部分34控制压缩机22的量化器25和时钟控制部分27,以及 图像数据通过输出部分和柔性布线板传输到显示部分的扩展器。 估计单元30至33通过量化矩阵Q0至Q3来估计与各个量化处理相对应的代码量。 当代码量am0小于允许辐射干扰的设定码量TGT时,将代码量am0与门限值AM0至AM2进行比较,并且根据代码量am0将时钟频率改变为较低频率。 版权所有(C)2007,JPO&INPIT