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    • 9. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE
    • 液晶显示装置
    • US20090237588A1
    • 2009-09-24
    • US12407056
    • 2009-03-19
    • Yuuichi TakenakaShinji YasukawaYukihide Ode
    • Yuuichi TakenakaShinji YasukawaYukihide Ode
    • G02F1/1333
    • G02F1/133308G02F2001/13332
    • An object of the present invention is to provide a technology which makes it possible for the heat from parts having high heat emission mounted on a printed circuit board provided between an upper frame member and a side of the liquid crystal display panel or the backlight to be released efficiently in liquid crystal display devices where the above described parts are mounted. The present invention provides a liquid crystal display device, having: a liquid crystal display panel; a number of flexible wiring boards connected to the above described liquid crystal display panel; a first drive circuit and a second drive circuit provided on the above described flexible wiring boards or the above described liquid crystal display panel; a printed circuit board having wires for transmitting an external signal to the above described first drive circuit and second drive circuit and connected to the above described flexible wiring boards; a semiconductor device mounted on the above described printed circuit board; and an upper frame member made of a metal which covers an outer periphery portion of the above described liquid crystal display panel and the above described printed circuit board, wherein a heat conducting member having heat conductance is provided on the surface of the above described printed circuit board which faces the above described upper frame member, and the above described heat conducting member makes contact with the above described upper frame member.
    • 本发明的目的是提供一种技术,其使得可以将安装在设置在液晶显示面板或背光源的上部框架构件和侧面之间的印刷电路板上的具有高散热的部件的热量 在安装上述部件的液晶显示装置中有效地释放。 本发明提供一种液晶显示装置,具有:液晶显示面板; 连接到上述液晶显示面板的多个柔性布线板; 设置在上述柔性布线板或上述液晶显示面板上的第一驱动电路和第二驱动电路; 具有用于将外部信号发送到上述第一驱动电路和第二驱动电路并连接到上述柔性布线板的布线的印刷电路板; 安装在上述印刷电路板上的半导体器件; 以及覆盖上述液晶显示面板的外周部分和上述印刷电路板的由金属构成的上框架构件,其中具有导热性的导热构件设置在上述印刷电路的表面上 面对上述上框架构件的板,并且上述导热构件与上述上框架构件接触。
    • 10. 发明申请
    • Liquid Crystal display device
    • 液晶显示装置
    • US20110074747A1
    • 2011-03-31
    • US12926734
    • 2010-12-07
    • Hiroshi WatanabeShinji YasukawaHidetoshi KidaYoshihisa Ooishi
    • Hiroshi WatanabeShinji YasukawaHidetoshi KidaYoshihisa Ooishi
    • G09G5/00G09G3/36
    • G09G3/3688G09G2310/0289
    • The present invention realizes proper driving circuits in a driving-circuit integral type liquid crystal display device which has an increased screen size. The liquid crystal display device includes a liquid crystal display panel and a driving circuit which supplies video signals to video signal lines formed on the liquid crystal display panel. The driving circuit is comprised of a first driving circuit which is formed in a step similar to a step for forming pixels provided to the liquid crystal display panel and a second driving circuit which is connected to the liquid crystal display panel after formation of the liquid crystal display panel. The first driving circuit is constituted of a switching circuit which is capable of distributing an output of the second driving circuit to a plurality of video signal lines.
    • 本发明在具有增加的屏幕尺寸的驱动电路一体型液晶显示装置中实现适当的驱动电路。 液晶显示装置包括液晶显示面板和向液晶显示面板上形成的视频信号线供给视频信号的驱动电路。 驱动电路包括:第一驱动电路,其形成在类似于形成液晶显示面板的像素的步骤的步骤;以及第二驱动电路,其在形成液晶之后连接到液晶显示面板 显示面板。 第一驱动电路由能够将第二驱动电路的输出分配给多个视频信号线的开关电路构成。