Display apparatus and mobile terminal
    6.
    发明专利
    Display apparatus and mobile terminal 有权
    显示设备和移动终端

    公开(公告)号:JP2007193236A

    公开(公告)日:2007-08-02

    申请号:JP2006013126

    申请日:2006-01-20

    Abstract: PROBLEM TO BE SOLVED: To provide a level conversion circuit, a display apparatus, and a mobile terminal using the same, capable of amplifying the same input voltage as a power source voltage of an IC using low-temperature poly-silicon which has a high threshold voltage value and large variations.
    SOLUTION: The display apparatus comprises: MCK level shifters 171-1, 171-2 of a type requiring a periodical reset action; a logical circuit 173 which outputs a signal for inputting a reset pulse having a period of an N horizontal period for the MCK level shifters 171-1, 171-2 using a level-shifted horizontal synchronous signal Hsync by shifting the phase for the M horizontal period (however, M

    Abstract translation: 要解决的问题:为了提供一种电平转换电路,显示装置和使用该电平转换电路的移动终端,能够使用低温多晶硅来放大与IC的电源电压相同的输入电压, 具有高阈值电压值和较大的变化。 解决方案:显示装置包括:需要定期复位动作的类型的MCK电平移位器171-1,171-2; 逻辑电路173,其使用电平移位的水平同步信号Hsync通过移位M水平的相位来输出用于输入具有用于MCK电平移位器171-1,171-2的周期的N个水平周期的复位脉冲的信号 周期(然而,M

    Display and driving method of the same, and portable terminal device
    7.
    发明专利
    Display and driving method of the same, and portable terminal device 有权
    其显示和驱动方法以及便携式终端设备

    公开(公告)号:JP2003323162A

    公开(公告)日:2003-11-14

    申请号:JP2002130252

    申请日:2002-05-02

    Abstract: PROBLEM TO BE SOLVED: To solve the problem that when the power source of a level conversion circuit is always made to be in an ON state, unnecessary consumption of DC current occurs and it becomes the hindrance in reducing the power consumption of the whole of the driving circuit in the liquid crystal display of a selector driving system.
    SOLUTION: In the liquid crystal display of the selector system which selects and drives signal lines 17-1 to 17-m of a pixel part 11 by making three lines of R, G, B one set with selectors 13-1 to 13-k of a selector circuit 13 in time- division manner, a level conversion circuit 14 for level-shifting selector pulses Sel B, Sel G, Sel R having the voltage amplitude of the power source of the external circuit into selector pulses SEL B, SEL G, SEL R having the voltage amplitude of a power source of the internal circuit is made to be in a non-active state in the section of a non-display area in a partial display mode under the control of a control signal CNT and the consumption of the DC current in the level conversion circuit 14 is reduced.
    COPYRIGHT: (C)2004,JPO

    Abstract translation: 要解决的问题为了解决当电平转换电路的电源总是处于导通状态时的直流电流的不必要的消耗,并且成为降低电力转换电路的功率消耗的障碍的问题 选择器驱动系统的液晶显示器中的整个驱动电路。 解决方案:在选择器系统的液晶显示器中,通过将选择器13-1设置为三条线R,G,B来选择并驱动像素部分11的信号线17-1至17-m 13-k的选择器电路13,电平转换电路14,用于将具有外部电路的电源的电压幅度的电平移位选择器脉冲Sel B,Sel G,Sel R转换成选择器脉冲SEL B 具有内部电路的电源的电压振幅的SEL G,SEL R在部分显示模式的非显示区域的部分中在控制信号CNT的控制下处于非活动状态 并且降低了电平转换电路14中的直流电流的消耗。 版权所有(C)2004,JPO

    Liquid crystal display and driving method of the same, and portable terminal
    8.
    发明专利
    Liquid crystal display and driving method of the same, and portable terminal 审中-公开
    液晶显示及其驱动方法及便携式终端

    公开(公告)号:JP2003323160A

    公开(公告)日:2003-11-14

    申请号:JP2002127857

    申请日:2002-04-30

    Abstract: PROBLEM TO BE SOLVED: To solve the problem that a contrast at the time of a low temperature is lowered due to the deterioration of the frequency characteristics of the dielectric constant of a liquid crystal in a liquid crystal display.
    SOLUTION: In an active matrix type liquid crystal display which performs a precharging operation for writing a precharge signal Psig to respective data lines 12-1 to 12-6 by a precharge switch 19 before writing a display signal to the data lines in a display area 14 by a data driver 17, the contrast at the time of the low temperature is increased by using a gradation level when a voltage is not applied to the liquid crystal, for example, a common voltage VCOM as the precharge signal Psig.
    COPYRIGHT: (C)2004,JPO

    Abstract translation: 解决的问题:为了解决由于液晶显示器中的液晶的介电常数的频率特性的劣化,低温时的对比度降低的问题。 解决方案:在有源矩阵型液晶显示器中,在将显示信号写入数据线之前,通过预充电开关19执行用于将预充电信号Psig写入各个数据线12-1至12-6的预充电操作 通过数据驱动器17的显示区域14,当不向液晶施加电压(例如,作为预充电信号Psig的公共电压VCOM)时,通过使用灰度级来提高低温时的对比度。 版权所有(C)2004,JPO

    Time delay correction circuit, video data processing circuit, and flat display unit
    9.
    发明专利
    Time delay correction circuit, video data processing circuit, and flat display unit 有权
    时间延迟校正电路,视频数据处理电路和平面显示单元

    公开(公告)号:JP2005065208A

    公开(公告)日:2005-03-10

    申请号:JP2003347803

    申请日:2003-10-07

    CPC classification number: G09G3/3685 G09G2300/0408

    Abstract: PROBLEM TO BE SOLVED: To effectively avoid a delay time change in a logic circuit formed of TFTs by applying this invention to, for instance, a liquid display unit having an integral structure composed of an insulating board and a drive circuit formed thereon as to a delay time correction circuit, a video data processing circuit, and a flat display device. SOLUTION: Dummy data are inserted into input data D1 so as to forcibly switch the logic level of the input data D1 (4). COPYRIGHT: (C)2005,JPO&NCIPI

    Abstract translation: 要解决的问题:通过将本发明应用于例如具有由绝缘板和形成在其上的驱动电路组成的整体结构的液晶显示单元来有效地避免由TFT形成的逻辑电路的延迟时间变化 关于延迟时间校正电路,视频数据处理电路和平面显示装置。 解决方案:将虚拟数据插入到输入数据D1中,以强制切换输入数据D1(4)的逻辑电平。 版权所有(C)2005,JPO&NCIPI

    Flat display device and method for testing flat display device
    10.
    发明专利
    Flat display device and method for testing flat display device 有权
    平面显示装置和测试平板显示装置的方法

    公开(公告)号:JP2005017989A

    公开(公告)日:2005-01-20

    申请号:JP2003186430

    申请日:2003-06-30

    Abstract: PROBLEM TO BE SOLVED: To securely carry out screening for a defective pixel by effectively avoiding deterioration in reliability even when a transistor with low breakdown voltage is used by applying a flat display device and a testing method for the flat display device to, for example, a liquid crystal display device having a driving circuit formed on an insulating substrate in one body. SOLUTION: A common-side wiring pattern COM between wiring patterns LCC and COM relating to a capacitor 4 of a pixel is connected to a precharge circuit 9 independently at the outside. COPYRIGHT: (C)2005,JPO&NCIPI

    Abstract translation: 解决的问题:为了通过施加平面显示装置和平板显示装置的测试方法,即使使用具有低击穿电压的晶体管也可有效地避免劣化的可靠性,可靠地进行有缺陷的像素的屏蔽, 例如,具有形成在一体的绝缘基板上的驱动电路的液晶显示装置。 解决方案:与像素的电容器4相关的布线图案LCC和COM之间的公共侧布线图案COM在外部独立地连接到预充电电路9。 版权所有(C)2005,JPO&NCIPI

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