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    • 16. 发明授权
    • Matrix-type image display device
    • 矩阵式图像显示装置
    • US6157361A
    • 2000-12-05
    • US892157
    • 1997-07-14
    • Yasushi KubotaIchiro ShirakiTamotsu Sakai
    • Yasushi KubotaIchiro ShirakiTamotsu Sakai
    • G02F1/133G09G3/20G09G3/36G11C19/00H01L27/12H01L29/78
    • G09G3/3674G09G3/3685G09G2300/0408G09G2310/0289G09G2310/06G09G3/20G09G3/3648H01L27/12H01L29/78
    • A matrix-type image display device of the present invention is arranged such that image data are selectively applied to pixels arranged in a matrix form through scanning signal lines and data signal lines, and the image data are stored therein, wherein a high potential of a sampling pulse 0V/5V to be output from a logic circuit is shifted to 10 V, and a low potential thereof is shifted to -8 V respectively by first and second level shifters. As a result, a difference between an input signal level from an external circuit such as a control circuit, an image signal processing circuit, etc., and an actual driving signal level of each pixel can be absorbed. Therefore, an additional structure such as an interface circuit, etc., is not needed between the external circuit and the scanning signal line driving circuit, thereby enabling a low cost and a low power consumption.
    • 本发明的矩阵型图像显示装置被布置成使得图像数据被选择性地施加到通过扫描信号线和数据信号线以矩阵形式布置的像素,并且图像数据被存储在其中,其中高电位 从逻辑电路输出的采样脉冲0V / 5V被移位到10V,并且其低电位分别由第一和第二电平移位器移位到-8V。 结果,可以吸收来自诸如控制电路的外部电路的输入信号电平,图像信号处理电路等之间的差异和每个像素的实际驱动信号电平之间的差异。 因此,在外部电路和扫描信号线驱动电路之间不需要诸如接口电路等的附加结构,从而能够实现低成本和低功耗。
    • 19. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US5926234A
    • 1999-07-20
    • US877567
    • 1997-06-17
    • Ichiro ShirakiYasushi KubotaHiroshi Yoneda
    • Ichiro ShirakiYasushi KubotaHiroshi Yoneda
    • G02F1/136G02F1/133G02F1/1362G02F1/1368G09G3/36H01L29/78H01L29/786G02F1/1333G02F1/1345H01L23/62
    • G02F1/13454G02F1/136204G02F2001/136254G09G3/3611H01L2924/0002
    • Picture elements and driving circuits for driving respective picture elements are monolithically formed on an insulating substrate. A protective circuit is provided for allowing input-output terminals of a driving circuit to conduct when a potential difference of not less than a predetermined value is generated. The protective circuit includes an MOS transistor, and a turn-on voltage thereof is set according to a thickness of a gate insulating layer. The protective circuit is formed on the insulating substrate simultaneously when forming the driving circuits. In this arrangement, because the turn-on voltage is set according to the thickness of the gate insulating layer and the thickness can be easily adjusted, an accurate turn-on voltage can be achieved. Since the arrangement prevents an increase in manufacturing cost, the driving circuits, etc., can be surely protected against static electricity generated in the manufacturing process and the input surge in the normal operation.
    • 用于驱动各个像素的图像元件和驱动电路单片地形成在绝缘基板上。 提供保护电路,用于当产生不小于预定值的电位差时允许驱动电路的输入输出端子导通。 保护电路包括MOS晶体管,并且其导通电压根据栅绝缘层的厚度设定。 当形成驱动电路时,保护电路同时形成在绝缘基板上。 在这种布置中,由于根据栅极绝缘层的厚度设定导通电压并且可以容易地调节厚度,所以可以实现准确的导通电压。 由于该装置防止制造成本的增加,因此可以可靠地保护驱动电路等,以免在制造过程中产生的静电和正常操作中的输入浪涌。