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    • 4. 发明授权
    • Active matrix liquid crystal display panel having compensating capacitor
provided without lowering pixel aperture ratio
    • 具有补偿电容器的有源矩阵液晶显示面板不会降低像素孔径比
    • US5546205A
    • 1996-08-13
    • US249624
    • 1994-05-25
    • Osamu SukegawaHirofumi Ihara
    • Osamu SukegawaHirofumi Ihara
    • G02F1/1343G02F1/136G02F1/1362G02F1/1368H01L29/786G02F1/133
    • G02F1/136213
    • In an active matrix liquid crystal display panel, each pixel electrode is connected to a first drain bus line through a thin film transistor which is formed adjacent to an intersection between the first drain bus line and an orthogonal gate bus line. A compensating capacitor lower electrode extends from the gate bus line at a position near to a second drain bus line which is adjacent to the pixel electrode in such a manner that the pixel electrode is positioned between the first and second drain bus lines. A compensating capacitor upper electrode is formed integrally with a source electrode of the thin film transistor, to extend along the pixel electrode so as to overlap above the compensating capacitor lower electrode through an insulator layer. Thus, a compensating capacitor is formed of the compensating capacitor lower and upper electrodes and is connected to a gate-source capacitance of the thin film transistor. A change in the gate-source capacitance caused by the positional deviation in the alignment between a gate electrode and the source electrode of the thin film transistor can be compensated by the inverse change in the capacitance of the associated compensating capacitor, without decreasing the aperture ratio of the pixel.
    • 在有源矩阵液晶显示面板中,每个像素电极通过与第一排出母线和正交栅极总线之间的交点相邻形成的薄膜晶体管连接到第一漏极总线。 补偿电容器下电极在靠近与像素电极相邻的第二漏极总线的位置处从栅极总线延伸,使得像素电极位于第一和第二漏极总线之间。 补偿电容器上电极与薄膜晶体管的源电极一体形成,沿着像素电极延伸,以通过绝缘体层与补偿电容器下电极重叠。 因此,补偿电容器由补偿电容器下电极和上电极形成,并连接到薄膜晶体管的栅极 - 源极电容。 由薄膜晶体管的栅电极和源电极之间的对准位置偏移引起的栅源电容的变化可以通过相关的补偿电容器的电容的反向变化来补偿,而不会降低开口率 的像素。
    • 8. 发明授权
    • Liquid crystal display with filter and light shield separated from contact hole
    • 液晶显示屏带有过滤器和遮光罩与接触孔分开
    • US06429916B1
    • 2002-08-06
    • US09459010
    • 1999-12-10
    • Shinichi NakataYuji YamamotoMamoru OkamotoMichiaki SakamotoTakahiko WatanabeHirofumi IharaHironori KikkawaMuneo Maruyama
    • Shinichi NakataYuji YamamotoMamoru OkamotoMichiaki SakamotoTakahiko WatanabeHirofumi IharaHironori KikkawaMuneo Maruyama
    • G02F11335
    • G02F1/136227G02F1/136209G02F2001/136222
    • A liquid crystal display device comprises a transparent insulator substrate, switching elements which are formed on the transparent insulator substrate, a passivation layer for passivating the switching elements, color filters of prescribed colors which are formed on the passivation layer so that no color filter will be formed in areas around contact holes, black matrixes as shields for preventing light leakage which are formed on the passivation layer after the formation of the color filters so as to cover at least the switching elements and so that no black matrix will be formed in areas around the contact holes, an overcoat layer which is formed on the color filters and the black matrixes, pixel electrodes formed on the overcoat layer, lead electrodes of the switching elements for being connected to corresponding pixel electrodes, and contact holes which are formed through the overcoat layer and the passivation layer for establishing connection between the pixel electrodes and lead electrodes of the switching elements. The black matrixes are formed so that the edge of the black matrix touching the edge of the color filter will be superposed on the edge of the color filter.
    • 液晶显示装置包括透明绝缘体基板,形成在透明绝缘体基板上的开关元件,用于钝化开关元件的钝化层,形成在钝化层上的规定颜色的滤色器,使得不会有滤色器 形成在接触孔周围的区域中,黑色矩阵作为用于防止在形成滤色器之后在钝化层上形成的漏光的屏蔽,以便至少覆盖开关元件,并且使得在周围的区域中不会形成黑矩阵 接触孔,形成在滤色器和黑矩阵上的覆盖层,形成在外涂层上的像素电极,用于连接到相应的像素电极的开关元件的引线电极和通过外涂层形成的接触孔 层和钝化层,用于建立像素电极和引线之间的连接 开关元件的电极。 形成黑色矩阵,使得接触滤色器边缘的黑色矩阵的边缘将叠加在滤色器的边缘上。
    • 10. 发明授权
    • Liquid crystal display device and method of manufacturing the same
    • 具有传输柱监视窗的液晶显示装置及其制造方法
    • US06268898B1
    • 2001-07-31
    • US09391151
    • 1999-09-07
    • Hirofumi Ihara
    • Hirofumi Ihara
    • G02F1136
    • G02F1/1345G02F1/133509
    • A TFTs substrate in a liquid crystal display device, according to the present invention, is made up of a polarizing plate 102, a glass substrate 101, the first metal film 301, a gate insulating film 14, the second metal film 303, a transparent conductive film 306, and a passivation film 15. A color filter substrate 20 is made up of a facing electrode 22, a black matrix 23, a glass substrate 21, and a polarizing plate 25. The transparent conductive film 306 is electrically connected to the facing electrode 22 via a transfer column 24. The first metal film 301 is connected to the second metal film 303. The partial area of the first and second metal films 301 and 303 corresponding to a region where the transfer column is fixed, is removed.
    • 根据本发明的液晶显示装置中的TFT基板由偏光板102,玻璃基板101,第一金属膜301,栅极绝缘膜14,第二金属膜303,透明的 导电膜306和钝化膜15.滤色器基板20由对置电极22,黑矩阵23,玻璃基板21和偏振板25构成。透明导电膜306电连接到 第一金属膜301连接到第二金属膜303.第一金属膜301和第二金属膜303的对应于传送柱固定的区域的部分区域被去除。