Level shift circuit, display apparatus, and portable terminal
    32.
    发明申请
    Level shift circuit, display apparatus, and portable terminal 审中-公开
    电平移位电路,显示装置和便携式终端

    公开(公告)号:US20050270080A1

    公开(公告)日:2005-12-08

    申请号:US11171172

    申请日:2005-06-28

    摘要: In the structure in which an input signal IN and a reverse-phase signal XIN thereof are externally input, an external IC is required for generating the reverse-phase signal XIN, and the number of required input signal terminals is two. A level shift circuit formed on an insulating substrate, such as a glass substrate, using transistors with large characteristic variations, for example, TFTs with high thresholds Vth, includes a complementary generator unit (11) driven by a first power supply (VCC) having an amplitude voltage equal to the amplitude voltage of a signal externally input from the substrate to generate complementary signals from a single-phase input signal IN. The complementary signals generated by the complementary generator unit (11) are level-shifted by a level shift unit (14). Therefore, it is no longer necessary to externally input the reverse-phase signal XIN.

    摘要翻译: 在外部输入输入信号IN和反相信号XIN的结构中,需要外部IC来产生反相信号XIN,所需输入信号端子数为2。 使用具有大特性变化的晶体管等绝缘基板(例如玻璃基板)形成的电平移动电路,例如具有高阈值Vth的TFT,包括由第一电源(VCC)驱动的互补发电单元(11),第一电源(VCC) 幅度电压等于从衬底外部输入的信号的幅度电压,以产生来自单相输入信号IN的互补信号。 由互补发生器单元(11)产生的互补信号由电平移位单元(14)进行电平移位。 因此,不再需要外部输入反相信号XIN。

    Data transfer circuit and flat display device
    33.
    发明授权
    Data transfer circuit and flat display device 有权
    数据传输电路和平板显示设备

    公开(公告)号:US08817055B2

    公开(公告)日:2014-08-26

    申请号:US10561870

    申请日:2004-07-06

    摘要: The present invention is a data transfer circuit applicable to a liquid crystal display apparatus with a drive circuit formed integrally, for example, on an insulation substrate, and configured such that only an inverted output of a latch result of a first latch section (41) or only a non-inverted output thereof is data-transferred to a second latch section (42) and, at least during a period of data transfer to the second latch section (42), a power supply voltage of the first latch section (41) is raised.

    摘要翻译: 本发明是一种可应用于液晶显示装置的数据传输电路,该液晶显示装置具有例如在绝缘基板上整体形成的驱动电路,并且被配置为仅将第一锁存部分(41)的锁存结果的反相输出 或仅将其非反相输出数据传送到第二锁存部分(42),并且至少在数据传送到第二锁存部分(42)期间,第一锁存部分(41)的电源电压 )被提升。

    Liquid crystal display device and mobile terminal
    35.
    发明授权
    Liquid crystal display device and mobile terminal 有权
    液晶显示装置和移动终端

    公开(公告)号:US07898516B2

    公开(公告)日:2011-03-01

    申请号:US10559074

    申请日:2004-06-04

    IPC分类号: G09G3/36

    摘要: A liquid crystal display is provided that allows miniaturization, cost lowering, thickness reduction, and saving of unnecessary spaces of the device, and enhancement of the reliability of the device. If a variable resistor is used to set the DC potential of a VCOM potential, miniaturization of a liquid crystal display is precluded since the size of the variable resistor is large. A DA converter is used instead of a conventional variable resistor as a unit for setting (adjusting) the DC potential of a VCOM potential (counter electrode voltage), and the DA converter is formed on the same glass substrate by using the same process as those of a display area part, to thereby achieve miniaturization of the liquid crystal display.

    摘要翻译: 提供了允许小型化,降低成本,减小厚度并节省设备不必要空间并提高设备可靠性的液晶显示器。 如果使用可变电阻器来设置VCOM电位的DC电位,则由于可变电阻器的尺寸大,所以不排除液晶显示器的小型化。 使用DA转换器代替传统的可变电阻器作为用于设置(调整)VCOM电位(对电极电压)的DC电位的单元,并且通过使用与那些相同的过程在相同的玻璃基板上形成DA转换器 的显示区域部分,从而实现液晶显示器的小型化。

    Liquid crystal display device, method of controlling the same, and mobile terminal
    36.
    发明授权
    Liquid crystal display device, method of controlling the same, and mobile terminal 有权
    液晶显示装置,其控制方法和移动终端

    公开(公告)号:US07796126B2

    公开(公告)日:2010-09-14

    申请号:US11789216

    申请日:2007-04-23

    IPC分类号: G06F3/038

    摘要: A liquid crystal display device enabling a reduction in size and costs associated with the system as a whole, starting to display images without image distortion at power on time, and turning the screen off without image retention at power off time, a method of controlling the liquid crystal display device, and a mobile terminal incorporating the liquid crystal display device as a screen display. On a glass substrate (11) provided with a display unit (12), peripheral drive circuits such as an interface circuit (13), a timing generator (14), a reference voltage driver (15), a CS driver (18), a VCOM driver (19), and a voltage regulation circuit (20), together with a horizontal driver (16) and a vertical driver (17) are disposed. When a display reset control pulse PCI is supplied from an external source, a predetermined voltage is written into pixels while a CS voltage and a VCOM voltage adjusted to the same level as that of a pixel voltage are applied to a common-electrode-side. This allows the screen to turn white in a normally white type liquid crystal display, and to turn black in a normally black type liquid crystal display. Image distortion at power on/off time can thus be prevented.

    摘要翻译: 一种液晶显示装置,其能够与整个系统相关联地减小尺寸和成本,开始显示在通电时间没有图像失真的图像,并且在断电时关闭屏幕而不进行图像保持;控制方法 液晶显示装置和结合有液晶显示装置的移动终端作为画面显示。 在设置有显示单元(12)的玻璃基板(11)上,诸如接口电路(13),定时发生器(14),参考电压驱动器(15),CS驱动器(18), 设置VCOM驱动器(19)和电压调节电路(20)以及水平驱动器(16)和垂直驱动器(17)。 当从外部源提供显示复位控制脉冲PCI时,将预定电压写入像素,同时将CS电压和VCOM电压调整到与像素电压相同的电平施加到共电极侧。 这允许屏幕在普通白色液晶显示器中变为白色,并且在常黑型液晶显示器中变黑。 因此可以防止电源开/关时的图像失真。

    Data processing circuit, display apparatus, and portable terminal
    37.
    发明授权
    Data processing circuit, display apparatus, and portable terminal 有权
    数据处理电路,显示装置和便携终端

    公开(公告)号:US07564441B2

    公开(公告)日:2009-07-21

    申请号:US11207352

    申请日:2005-08-19

    IPC分类号: G09G3/36

    摘要: When a data processing circuit is formed on an insulating substrate by using TFTs, it is difficult to process a data signal having a high data rate, such as digital display data, at a high speed.In a data processing circuit formed on an insulating substrate by using TFTs, a data signal having a small voltage amplitude input in series is increased in level to a data signal having a large voltage amplitude by a level shift circuit (11), the serial data signal having the large voltage amplitude is converted to parallel data signals by a serial-parallel conversion circuit (12), and then, the parallel data signals are reduced in level to data signals having a small voltage amplitude by level shift circuits (13A and 13B). Therefore, high-speed processing can be applied to digital data signals at a low power consumption.

    摘要翻译: 当通过使用TFT在绝缘基板上形成数据处理电路时,难以高速处理诸如数字显示数据的数据速率高的数据信号。 在通过使用TFT形成在绝缘基板上的数据处理电路中,串联输入的电压振幅小的数据信号通过电平移位电路(11)增加到电压振幅较大的数据信号,串行数据 具有大电压幅度的信号通过串并转换电路(12)被转换为并行数据信号,然后并行数据信号被电平移位电路(13A和13B)降低到电压振幅较小的数据信号 )。 因此,可以以低功耗将高速处理应用于数字数据信号。

    Display device and electronic equipment
    38.
    发明申请
    Display device and electronic equipment 有权
    显示设备和电子设备

    公开(公告)号:US20080218466A1

    公开(公告)日:2008-09-11

    申请号:US11979481

    申请日:2007-11-05

    IPC分类号: G09G3/36

    摘要: A display device includes a display unit in which pixels are arranged in a matrix state and a drive circuit selecting respective pixels in the display unit by each row and giving additional potential to pixel electrodes of the pixels by using coupling, in which the drive circuit has a function of allowing the reverse polarity of potential added to pixel electrodes to be a potential which can add suitable voltage to additional potential lines in a frame before adding the additional potential.

    摘要翻译: 显示装置包括显示单元,其中像素以矩阵状态布置,驱动电路通过每行选择显示单元中的各个像素,并通过使用耦合向像素的像素电极提供附加电位,其中驱动电路具有 允许添加到像素电极的电位的相反极性的一个功能是在添加附加电位之前可以向帧中的附加电位线添加合适的电压的电位。

    Analog buffer circuit, display device and portable terminal
    39.
    发明授权
    Analog buffer circuit, display device and portable terminal 失效
    模拟缓冲电路,显示设备和便携式终端

    公开(公告)号:US07405720B2

    公开(公告)日:2008-07-29

    申请号:US10485294

    申请日:2003-05-30

    IPC分类号: G09G3/36

    摘要: An analog buffer circuit which has small input and output offsets and reduced power consumption even if it is formed on an insulating substrate by TFTs, a display device which uses the analog buffer circuit as a peripheral driving circuit for a display unit, and a portable terminal in which the display device is provided as a screen display unit are provided. By performing offset detection on a source follower in such a manner that, for example, two capacitors Cn1 and Cn2 are connected to the gate of a NMOS transistor Qn11 as a source follower, and conduction/nonconduction control of switches Sn1 to Sn5 are performed, if needed, and by sequentially canceling the detected offsets, a final offset voltage is sufficiently reduced and high precision offset cancellation is realized.

    摘要翻译: 具有小的输入和输出偏移量以及降低功耗的模拟缓冲电路即使通过TFT形成在绝缘基板上,使用模拟缓冲电路作为显示单元的外围驱动电路的显示装置和便携式终端 提供显示装置作为屏幕显示单元。 通过以这样的方式对源极跟随器进行偏移检测,例如,将两个电容器Cn 1和Cn 2连接到作为源极跟随器的NMOS晶体管Qn 11的栅极,并将开关Sn 1的导通/非导通控制连接到 如果需要,则执行Sn 5,并且通过依次取消检测到的偏移,充分降低最终的偏移电压并实现高精度偏移消除。