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    • 1. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE
    • 液晶显示装置
    • US20120320026A1
    • 2012-12-20
    • US13575691
    • 2011-01-27
    • Masae KitayamaMitsuaki HirataFumikazu ShimoshikiryohKenichi HyodoIkumi ItsumiYuki YamashitaAkane Sugisaka
    • Masae KitayamaMitsuaki HirataFumikazu ShimoshikiryohKenichi HyodoIkumi ItsumiYuki YamashitaAkane Sugisaka
    • G09G3/36G06F3/038
    • G09G3/36G02F1/133707G02F1/13624G02F2201/52G09G2300/0452G09G2310/0205G09G2320/0247G09G2330/045
    • A color display pixel PCD in a liquid crystal display device (100) includes first through fourth pixels P1 through P4 arrayed in two rows by two columns, and first and second signal lines (13a, 13b) which are located in correspondence with each column of pixels and are supplied with signal voltages of polarities opposite to each other from a signal line driving circuit (30) in each vertical scanning period. A TFT (14) of one of the first and third pixel P1 and P3 is connected to the first signal line (13a), and a TFT (14) of the other pixel is connected to the second signal line (13b). A TFT (14) of one of the second and fourth pixel P2 and P4 is connected to the first signal line (13a), and a TFT (14) of the other pixel is connected to the second signal line (13b). The TFTs (14) of the first through fourth pixels P1 through P4 are controlled to be ON/OFF by a common scanning signal, and the polarities of the signal voltages supplied to the first and second signal lines (13a, 13b) are constant during an arbitrary vertical scanning period. Owing to this, the load on the signal line driving circuit is reduced.
    • 液晶显示装置(100)中的彩色显示像素PCD包括排列成两行×2列的第一至第四像素P1〜P4,以及与列的每列对应设置的第一和第二信号线(13a,13b) 并且在每个垂直扫描周期中从信号线驱动电路(30)提供具有彼此相反极性的信号电压。 第一和第三像素P1和P3之一的TFT(14)连接到第一信号线(13a),另一像素的TFT(14)连接到第二信号线(13b)。 第二和第四像素P2和P4之一的TFT(14)连接到第一信号线(13a),另一个像素的TFT(14)连接到第二信号线(13b)。 第一至第四像素P1至P4的TFT(14)通过公共扫描信号被控制为ON / OFF,并且提供给第一和第二信号线(13a,13b)的信号电压的极性在 任意垂直扫描周期。 因此,信号线驱动电路的负载减小。
    • 3. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE
    • 液晶显示装置
    • US20120326954A1
    • 2012-12-27
    • US13520845
    • 2010-10-26
    • Ikumi ItsumiMitsuaki HirataMasae KitayamaKenichi HyohdohYuki YamashitaAkane SugisakaFumikazu Shimoshikiryoh
    • Ikumi ItsumiMitsuaki HirataMasae KitayamaKenichi HyohdohYuki YamashitaAkane SugisakaFumikazu Shimoshikiryoh
    • G09G3/36
    • G02F1/1368G02F2201/52G09G3/3607G09G3/3648G09G2300/0452G09G2300/0876
    • The present invention is to provide a liquid crystal display device which hardly causes image sticking even when there is a difference in the pixel areas. The liquid crystal display device of the present invention includes a pair of substrates, and a liquid crystal layer sandwiched between the pair of substrates, and is configured such that a pixel is formed by picture elements of a plurality of colors. The liquid crystal display device of the present invention is featured in that one of the pair of substrates includes scanning lines, signal lines, and storage capacitor lines, a thin film transistor connected to each of the scanning line and the signal line, and a pixel electrode connected to the thin film transistor, in that the other of the pair of substrates includes an opposed electrode, in that the pixel electrode is arranged for each of the picture elements, and in that the pixel electrode having a larger area among the plurality of pixel electrodes arranged in one pixel is connected to the thin film transistor having a larger channel width among the plurality of the thin film transistors arranged in the one pixel.
    • 本发明提供即使在像素区域有差异的情况下也难以引起图像残留的液晶显示装置。 本发明的液晶显示装置包括一对基板和夹在该对基板之间的液晶层,并且被构造为使得像素由多种颜色的图像元素形成。 本发明的液晶显示装置的特征在于,一对基板中的一个基板包括扫描线,信号线和辅助电容线,连接到扫描线和信号线各自的薄膜晶体管,以及像素 连接到薄膜晶体管的电极,其中一对基板中的另一个包括相对的电极,其中像素电极被布置用于每个像素,并且在多个像素中具有较大面积的像素电极 布置在一个像素中的像素电极连接到布置在一个像素中的多个薄膜晶体管中具有较大沟道宽度的薄膜晶体管。
    • 4. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US08749727B2
    • 2014-06-10
    • US13579946
    • 2010-11-05
    • Ikumi ItsumiFumikazu ShimoshikiryohMitsuaki HirataMasae KitayamaKenichi HyohdohYuki YamashitaAkane Sugisaka
    • Ikumi ItsumiFumikazu ShimoshikiryohMitsuaki HirataMasae KitayamaKenichi HyohdohYuki YamashitaAkane Sugisaka
    • G02F1/136G02F1/1343
    • G09G3/3648G02F1/136213G02F1/136286G02F2001/133397G02F2201/52G09G2300/0426G09G2300/0443G09G2300/0447G09G2300/0452G09G2320/0257
    • The present invention provides a liquid crystal display device which hardly causes image sticking in a panel in which Cgd gradation is performed, even when the pixel capacitances of the picture elements are different from one another. The liquid crystal display device of the present invention is a liquid crystal display device which includes a pair of substrates and a liquid crystal layer sandwiched between the pair of substrates, and is configured such that a pixel is formed by picture elements of a plurality of colors, wherein one of the pair of substrates includes scanning lines, signal lines, storage capacitor lines, thin film transistors connected to both of the scanning lines and the signal lines, and pixel electrodes connected to the thin film transistors; the other of the pair of substrates includes a counter electrode; the pixel electrodes are arranged for the picture elements; a scanning line and a pixel electrode form a gate-drain capacitance; the gate-drain capacitance formed by a pixel electrode with a larger pixel capacitance among the pixel electrodes arranged in one pixel is larger than the gate-drain capacitance formed by a pixel electrode with a smaller pixel capacitance among the pixel electrodes arranged in the one pixel; an overlapping area of each of the pixel electrodes overlapped with the scanning line initially increases in a travelling direction of a scanning line signal but a rate of the increase subsequently decreases, in each of the pixel electrodes respectively arranged for the picture elements of single colors; and rates of increase are different among the pixel electrodes with different pixel capacitances.
    • 本发明提供即使在像素的像素电容彼此不同的情况下,也难以在执行Cgd灰度的面板中产生图像残留的液晶显示装置。 本发明的液晶显示装置是一种液晶显示装置,其包括一对基板和夹在该对基板之间的液晶层,并且被构造成使得像素由多种颜色的像素形成 其中,所述一对基板中的一个包括扫描线,信号线,保持电容线,连接到扫描线和信号线的两个薄膜晶体管,以及连接到薄膜晶体管的像素电极; 一对基板中的另一个包括对电极; 像素电极被布置用于图像元素; 扫描线和像素电极形成栅极 - 漏极电容; 由排列在一个像素中的像素电极中的具有较大像素电容的像素电极形成的栅极 - 漏极电容大于由排列在一个像素中的像素电极中具有较小像素电容的像素电极形成的栅极 - 漏极电容 ; 与扫描线重叠的每个像素电极的重叠区域在扫描线信号的行进方向上最初增加,但是在分别布置为单色图像的每个像素电极中,增加的速率随后减小; 并且具有不同像素电容的像素电极之间的增加率不同。
    • 5. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE
    • 液晶显示装置
    • US20120320297A1
    • 2012-12-20
    • US13579946
    • 2010-11-05
    • Ikumi ItsumiFumikazu ShimoshikiryohMitsuaki HirataMasae KitayamaKenichi HyohdohYuki YamashitaAkane Sugisaka
    • Ikumi ItsumiFumikazu ShimoshikiryohMitsuaki HirataMasae KitayamaKenichi HyohdohYuki YamashitaAkane Sugisaka
    • G02F1/136
    • G09G3/3648G02F1/136213G02F1/136286G02F2001/133397G02F2201/52G09G2300/0426G09G2300/0443G09G2300/0447G09G2300/0452G09G2320/0257
    • The present invention provides a liquid crystal display device which hardly causes image sticking in a panel in which Cgd gradation is performed, even when the pixel capacitances of the picture elements are different from one another. The liquid crystal display device of the present invention is a liquid crystal display device which includes a pair of substrates and a liquid crystal layer sandwiched between the pair of substrates, and is configured such that a pixel is formed by picture elements of a plurality of colors, wherein one of the pair of substrates includes scanning lines, signal lines, storage capacitor lines, thin film transistors connected to both of the scanning lines and the signal lines, and pixel electrodes connected to the thin film transistors; the other of the pair of substrates includes a counter electrode; the pixel electrodes are arranged for the picture elements; a scanning line and a pixel electrode form a gate-drain capacitance; the gate-drain capacitance formed by a pixel electrode with a larger pixel capacitance among the pixel electrodes arranged in one pixel is larger than the gate-drain capacitance formed by a pixel electrode with a smaller pixel capacitance among the pixel electrodes arranged in the one pixel; an overlapping area of each of the pixel electrodes overlapped with the scanning line initially increases in a travelling direction of a scanning line signal but a rate of the increase subsequently decreases, in each of the pixel electrodes respectively arranged for the picture elements of single colors; and rates of increase are different among the pixel electrodes with different pixel capacitances.
    • 本发明提供即使在像素的像素电容彼此不同的情况下,也难以在执行Cgd灰度的面板中产生图像残留的液晶显示装置。 本发明的液晶显示装置是一种液晶显示装置,其包括一对基板和夹在该对基板之间的液晶层,并且被构造成使得像素由多种颜色的像素形成 其中,所述一对基板中的一个包括扫描线,信号线,保持电容线,连接到扫描线和信号线的两个薄膜晶体管,以及连接到薄膜晶体管的像素电极; 一对基板中的另一个包括对电极; 像素电极被布置用于图像元素; 扫描线和像素电极形成栅极 - 漏极电容; 由排列在一个像素中的像素电极中的具有较大像素电容的像素电极形成的栅极 - 漏极电容大于由排列在一个像素中的像素电极中具有较小像素电容的像素电极形成的栅极 - 漏极电容 ; 与扫描线重叠的每个像素电极的重叠区域在扫描线信号的行进方向上最初增加,但是在分别布置为单色图像的每个像素电极中,增加的速率随后减小; 并且具有不同像素电容的像素电极之间的增加率不同。
    • 9. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE
    • 液晶显示装置
    • US20120274889A1
    • 2012-11-01
    • US13520621
    • 2010-10-26
    • Akane SugisakaMitsuaki HirataKenichi HyohdohMasae KitayamaIkumi ItsumiYuki YamashitaFumikazu Shimoshikiryoh
    • Akane SugisakaMitsuaki HirataKenichi HyohdohMasae KitayamaIkumi ItsumiYuki YamashitaFumikazu Shimoshikiryoh
    • G02F1/1343
    • G02F1/1368G02F1/133371G02F1/133514G02F1/136213G02F2201/52G09G3/3607G09G3/3614G09G3/3648G09G2300/0452G09G2300/0876
    • The present invention is to provide a liquid crystal display device which hardly causes image sticking even when there is a difference in the picture element areas. The liquid crystal display device of the present invention includes a pair of substrates, and a liquid crystal layer sandwiched between the pair of substrates, and is configured such that a pixel is formed by picture elements of a plurality of colors. The liquid crystal display device of the present invention is featured in that one of the pair of substrates includes scanning lines, signal lines, and storage capacitor lines, a thin film transistor connected to each of the scanning line and the signal line, and a pixel electrode connected to the thin film transistor, in that the other of the pair of substrates includes an opposed electrode, in that the liquid crystal layer includes a region having a larger thickness and a region having a smaller thickness in one pixel, in that the pixel electrode is arranged for each of the picture elements, and in that the pixel electrode that overlaps a region having a smaller thickness of the liquid crystal layer among the plurality of pixel electrodes arranged in one pixel is connected to the thin film transistor having a larger channel width among the plurality of the thin film transistors arranged in the one pixel.
    • 本发明是提供即使在像素区域有差异的情况下也难以引起图像残留的液晶显示装置。 本发明的液晶显示装置包括一对基板和夹在该对基板之间的液晶层,并且被构造为使得像素由多种颜色的图像元素形成。 本发明的液晶显示装置的特征在于,一对基板中的一个基板包括扫描线,信号线和辅助电容线,连接到扫描线和信号线各自的薄膜晶体管,以及像素 连接到薄膜晶体管的电极,因为一对基板中的另一个包括相对电极,因为液晶层包括具有较大厚度的区域和在一个像素中具有较小厚度的区域,因为像素 电极被布置用于每个像素,并且与布置在一个像素中的多个像素电极中的具有较小厚度的液晶层的区域重叠的像素电极连接到具有较大通道的薄膜晶体管 布置在一个像素中的多个薄膜晶体管之间的宽度。
    • 10. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US09046728B2
    • 2015-06-02
    • US13520845
    • 2010-10-26
    • Ikumi ItsumiMitsuaki HirataMasae KitayamaKenichi HyohdohYuki YamashitaAkane SugisakaFumikazu Shimoshikiryoh
    • Ikumi ItsumiMitsuaki HirataMasae KitayamaKenichi HyohdohYuki YamashitaAkane SugisakaFumikazu Shimoshikiryoh
    • G09G3/36G02F1/1368
    • G02F1/1368G02F2201/52G09G3/3607G09G3/3648G09G2300/0452G09G2300/0876
    • The present invention is to provide a liquid crystal display device which hardly causes image sticking even when there is a difference in the pixel areas. The liquid crystal display device of the present invention includes a pair of substrates, and a liquid crystal layer sandwiched between the pair of substrates, and is configured such that a pixel is formed by picture elements of a plurality of colors. The liquid crystal display device of the present invention is featured in that one of the pair of substrates includes scanning lines, signal lines, and storage capacitor lines, a thin film transistor connected to each of the scanning line and the signal line, and a pixel electrode connected to the thin film transistor, in that the other of the pair of substrates includes an opposed electrode, in that the pixel electrode is arranged for each of the picture elements, and in that the pixel electrode having a larger area among the plurality of pixel electrodes arranged in one pixel is connected to the thin film transistor having a larger channel width among the plurality of the thin film transistors arranged in the one pixel.
    • 本发明提供即使在像素区域有差异的情况下也难以引起图像残留的液晶显示装置。 本发明的液晶显示装置包括一对基板和夹在该对基板之间的液晶层,并且被构造为使得像素由多种颜色的图像元素形成。 本发明的液晶显示装置的特征在于,一对基板中的一个基板包括扫描线,信号线和辅助电容线,连接到扫描线和信号线各自的薄膜晶体管,以及像素 连接到薄膜晶体管的电极,其中一对基板中的另一个包括相对的电极,其中像素电极被布置用于每个像素,并且在多个像素中具有较大面积的像素电极 布置在一个像素中的像素电极连接到布置在一个像素中的多个薄膜晶体管中具有较大沟道宽度的薄膜晶体管。