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    • 111. 发明授权
    • Manufacturing method of liquid crystal display device
    • 液晶显示装置的制造方法
    • US07968357B2
    • 2011-06-28
    • US12662961
    • 2010-05-13
    • Hideo TanabeMasaru TakabatakeToshiki KanekoAtsushi HasegawaHiroko Sehata
    • Hideo TanabeMasaru TakabatakeToshiki KanekoAtsushi HasegawaHiroko Sehata
    • H01L21/00
    • G02F1/133345G02F1/133305G02F1/133504G02F1/133555G02F1/134363G02F1/136213G02F1/136227G02F1/1368G02F2001/13685H01L27/124H01L27/1248H01L29/78675
    • The present invention provides a liquid crystal display device having a large holding capacitance in the inside of a pixel. A liquid crystal display device includes a first substrate, a second substrate arranged to face the first substrate in an opposed manner, and liquid crystal sandwiched between the first substrate and the second substrate. The first substrate includes a video signal line, a pixel electrode, a thin film transistor having a first electrode thereof connected to the video signal line and a second electrode thereof connected to the pixel electrode, a first silicon nitride film formed above the second electrode, an organic insulation film formed above the first silicon nitride film, a capacitance electrode formed above the organic insulation film, and a second silicon nitride film formed above the capacitance electrode and below the pixel electrode. The second silicon nitride film is a film which is formed at a temperature lower than a forming temperature of the first silicon nitride film. The first silicon nitride film and the second silicon nitride film form a contact hole therein by etching both of the first silicon nitride film and the second silicon nitride film collectively by dry etching. The second electrode and the pixel electrode are connected to each other via the contact hole. A potential different from a potential applied to the pixel electrode is applied to the capacitance electrode, and a holding capacitance is formed by the pixel electrode, the second silicon nitride film and the capacitance electrode.
    • 本发明提供一种在像素内部具有大的保持电容的液晶显示装置。 液晶显示装置包括第一基板,以相对的方式与第一基板相对地布置的第二基板和夹在第一基板和第二基板之间的液晶。 第一基板包括视频信号线,像素电极,具有连接到视频信号线的第一电极的薄膜晶体管和连接到像素电极的第二电极,形成在第二电极上方的第一氮化硅膜, 形成在第一氮化硅膜上方的有机绝缘膜,形成在有机绝缘膜上方的电容电极和形成在电容电极上方和像素电极下方的第二氮化硅膜。 第二氮化硅膜是在低于第一氮化硅膜的形成温度的温度下形成的膜。 第一氮化硅膜和第二氮化硅膜通过干法蚀刻同时蚀刻第一氮化硅膜和第二氮化硅膜两者而形成接触孔。 第二电极和像素电极经由接触孔相互连接。 将施加到像素电极的电位不同的电位施加到电容电极,并且由像素电极,第二氮化硅膜和电容电极形成保持电容。
    • 116. 发明授权
    • Display device with divided display regions
    • 具有分割显示区域的显示设备
    • US07701431B2
    • 2010-04-20
    • US11396527
    • 2006-04-04
    • Hiroaki AsumaAtsushi Hasegawa
    • Hiroaki AsumaAtsushi Hasegawa
    • G09G3/36G09G5/00G06F3/038G06T1/60
    • G09G3/3648G09G3/3659G09G3/3666G09G2300/0842G09G2310/0283
    • A display device having gate signal lines, a scanning signal driving circuit which supplies scanning signals to respective gate signal lines, drain signal lines, and a video signal driving circuit which supplies video signals to respective drain signal lines formed on one surface of an insulating substrate. The display device includes a first thin film transistor which is driven by the scanning signals, a pixel electrode to which the video signals are supplied through the first thin film transistor in each pixel region. The video signal driving circuit includes a dynamic memory which is comprised of a plurality of other thin film transistors formed in parallel with the first thin film transistor, and at least one thin film transistor among the plurality of other thin film transistors is covered with a conductive film having a potential which is fixed through an insulation film.
    • 具有栅极信号线的显示装置,向相应的栅极信号线提供扫描信号的扫描信号驱动电路,漏极信号线和向绝缘基板的一个表面上形成的各个漏极信号线提供视频信号的视频信号驱动电路 。 显示装置包括由扫描信号驱动的第一薄膜晶体管,在每个像素区域中通过第一薄膜晶体管提供视频信号的像素电极。 视频信号驱动电路包括动态存储器,其由与第一薄膜晶体管并联形成的多个其它薄膜晶体管组成,并且多个其它薄膜晶体管中的至少一个薄膜晶体管被导电 具有通过绝缘膜固定的电位的膜。
    • 117. 发明授权
    • Delay locked loop circuit
    • 延时锁定回路电路
    • US07583118B2
    • 2009-09-01
    • US11588256
    • 2006-10-27
    • Atsushi HasegawaAtsushi Tangoda
    • Atsushi HasegawaAtsushi Tangoda
    • H03L7/00
    • H03L7/07H03L7/0805H03L7/0814
    • A delay locked loop (DLL) circuit includes a first DLL section configured to receive a reference clock signal, to delay the reference clock signal in response to a first control signal, and to output a phase delayed signal having a predetermined phase delay. A second DLL section delays the reference clock signal in response to a second control signal, and generates the second control signal based on the reference clock signal delayed in the second DLL section and the phase delayed signal. An input signal delay section delays an input signal in response to the second control signal.
    • 延迟锁定环(DLL)电路包括被配置为接收参考时钟信号的第一DLL部分,以响应于第一控制信号延迟参考时钟信号,并输出具有预定相位延迟的相位延迟信号。 第二DLL部分响应于第二控制信号延迟参考时钟信号,并且基于在第二DLL部分中延迟的参考时钟信号和相位延迟信号产生第二控制信号。 输入信号延迟部分响应于第二控制信号延迟输入信号。
    • 120. 发明申请
    • Display device with divided display regions
    • 具有分割显示区域的显示设备
    • US20060176291A1
    • 2006-08-10
    • US11396527
    • 2006-04-04
    • Hiroaki AsumaAtsushi Hasegawa
    • Hiroaki AsumaAtsushi Hasegawa
    • G09G5/00
    • G09G3/3648G09G3/3659G09G3/3666G09G2300/0842G09G2310/0283
    • A display device having gate signal lines, a scanning signal driving circuit which supplies scanning signals to respective gate signal lines, drain signal lines, and a video signal driving circuit which supplies video signals to respective drain signal lines formed on one surface of an insulating substrate. The display device includes a first thin film transistor which is driven by the scanning signals, a pixel electrode to which the video signals are supplied through the first thin film transistor in each pixel region. The video signal driving circuit includes a dynamic memory which is comprised of a plurality of other thin film transistors formed in parallel with the first thin film transistor, and at least one thin film transistor among the plurality of other thin film transistors is covered with a conductive film having a potential which is fixed through an insulation film.
    • 具有栅极信号线的显示装置,向相应的栅极信号线提供扫描信号的扫描信号驱动电路,漏极信号线和向绝缘基板的一个表面上形成的各个漏极信号线提供视频信号的视频信号驱动电路 。 显示装置包括由扫描信号驱动的第一薄膜晶体管,在每个像素区域中通过第一薄膜晶体管提供视频信号的像素电极。 视频信号驱动电路包括动态存储器,其由与第一薄膜晶体管并联形成的多个其它薄膜晶体管组成,并且多个其它薄膜晶体管中的至少一个薄膜晶体管被覆盖有导电 具有通过绝缘膜固定的电位的膜。