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    • 1. 发明授权
    • Liquid-crystal display device
    • 液晶显示装置
    • US09007287B2
    • 2015-04-14
    • US13698304
    • 2011-05-16
    • Masae KitayamaFumikazu Shimoshikiryoh
    • Masae KitayamaFumikazu Shimoshikiryoh
    • G09G3/36G09G5/10G09G3/00H04N13/04G09G3/34
    • G09G3/3614G09G3/003G09G3/342G09G2300/0447G09G2300/0465G09G2310/0218G09G2310/0221G09G2310/0237G09G2310/024G09G2320/0209G09G2320/0219G09G2320/0223G09G2320/0233G09G2320/0247G09G2320/0252G09G2340/0435G09G2340/10G09G2340/16H04N13/337H04N13/341H04N13/398
    • A liquid crystal display device of the present invention has a vertical scanning period in which the polarity of a display signal is positive and a vertical scanning period in which the polarity of a display signal is negative. When a pair of successive two vertical scanning periods is constituted by a first vertical scanning period and a second vertical scanning period, and when a target gradation level to be displayed in the first vertical scanning period is GL1, and a target gradation level to be displayed in the second vertical scanning period immediately after the first vertical scanning period is GL2, GL1 and GL2 being integers of 0 or more representing gradation levels, the liquid crystal display device includes a circuit (124) capable of supplying a display voltage corresponding to a gradation level to a pixel in the second vertical scanning period, the gradation level being expressed by GL2OD which satisfies a condition where |GL2OD-GL1| is larger than |GL2-GL1|, in the case where GL2 is different from GL1. The value of GL2OD when the polarity in the first vertical scanning period is positive and the polarity in the second vertical scanning period is negative is different from the value of GL2OD when the polarity in the first vertical scanning period is negative and the polarity in the second vertical scanning period is positive.
    • 本发明的液晶显示装置具有显示信号的极性为正的垂直扫描期间和显示信号的极性为负的垂直扫描期间。 当一对连续的两个垂直扫描周期由第一垂直扫描周期和第二垂直扫描周期构成时,并且当要在第一垂直扫描周期中显示的目标灰度级为GL1时,以及要显示的目标灰度级 在第一垂直扫描周期之后的第二垂直扫描期间是GL2,GL1和GL2是表示灰度级的0以上的整数,液晶显示装置包括能够提供与灰度对应的显示电压的电路(124) 在第二垂直扫描期间的像素级别,灰度级由GL2OD表示,满足条件| GL2OD-GL1 | 大于| GL2-GL1 |,在GL2与GL1不同的情况下。 当第一垂直扫描期间的极性为正,并且第二垂直扫描期间的极性为负时,GL2OD的值与第一垂直扫描期间的极性为负值时的GL2OD的值不同,第二垂直扫描期间的极性 垂直扫描周期为正。
    • 5. 发明申请
    • LIQUID-CRYSTAL DISPLAY DEVICE
    • 液晶显示装置
    • US20130057791A1
    • 2013-03-07
    • US13698304
    • 2011-05-16
    • Masae KitayamaFumikazu Shimoshikiryoh
    • Masae KitayamaFumikazu Shimoshikiryoh
    • G02F1/1333
    • G09G3/3614G09G3/003G09G3/342G09G2300/0447G09G2300/0465G09G2310/0218G09G2310/0221G09G2310/0237G09G2310/024G09G2320/0209G09G2320/0219G09G2320/0223G09G2320/0233G09G2320/0247G09G2320/0252G09G2340/0435G09G2340/10G09G2340/16H04N13/337H04N13/341H04N13/398
    • A liquid crystal display device of the present invention has a vertical scanning period in which the polarity of a display signal is positive and a vertical scanning period in which the polarity of a display signal is negative. When a pair of successive two vertical scanning periods is constituted by a first vertical scanning period and a second vertical scanning period, and when a target gradation level to be displayed in the first vertical scanning period is GL1, and a target gradation level to be displayed in the second vertical scanning period immediately after the first vertical scanning period is GL2, GL1 and GL2 being integers of 0 or more representing gradation levels, the liquid crystal display device includes a circuit (124) capable of supplying a display voltage corresponding to a gradation level to a pixel in the second vertical scanning period, the gradation level being expressed by GL2OD which satisfies a condition where |GL2OD-GL1| is larger than |GL2-GL1|, in the case where GL2 is different from GL1. The value of GL2OD when the polarity in the first vertical scanning period is positive and the polarity in the second vertical scanning period is negative is different from the value of GL2OD when the polarity in the first vertical scanning period is negative and the polarity in the second vertical scanning period is positive.
    • 本发明的液晶显示装置具有显示信号的极性为正的垂直扫描期间和显示信号的极性为负的垂直扫描期间。 当一对连续的两个垂直扫描周期由第一垂直扫描周期和第二垂直扫描周期构成时,并且当要在第一垂直扫描周期中显示的目标灰度级为GL1时,以及要显示的目标灰度级 在第一垂直扫描周期之后的第二垂直扫描期间是GL2,GL1和GL2是表示灰度级的0以上的整数,液晶显示装置包括能够提供与灰度对应的显示电压的电路(124) 在第二垂直扫描期间的像素级别,灰度级由GL2OD表示,满足条件| GL2OD-GL1 | 大于| GL2-GL1 |,在GL2与GL1不同的情况下。 当第一垂直扫描期间的极性为正,并且第二垂直扫描期间的极性为负时,GL2OD的值与第一垂直扫描期间的极性为负值时的GL2OD的值不同,第二垂直扫描期间的极性 垂直扫描周期为正。
    • 6. 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。
    • 9. 发明申请
    • Liquid Crystal Display Device
    • 液晶显示装置
    • US20080106657A1
    • 2008-05-08
    • US11886469
    • 2006-03-17
    • Masae KitayamaFumikazu ShimoshikiryohMakoto Shiomi
    • Masae KitayamaFumikazu ShimoshikiryohMakoto Shiomi
    • G09G3/36G02F1/133
    • G09G3/3648G09G3/2025G09G3/2074G09G3/2081G09G3/3614G09G2300/0443G09G2300/0447G09G2300/0876G09G2310/08G09G2320/0276G09G2320/028
    • In one embodiment of the present invention, a large-screen or high-definition LCD is provided with its display quality improved significantly by reducing the viewing angle dependence of γ characteristic. Each pixel includes first and second subpixels, to which different voltages are applicable. The device further includes electrically independent storage capacitor trunks, each being electrically connected to the respective storage capacitor counter electrodes of either the first or second subpixels through storage capacitor lines. One vertical scanning period (V-Total) of an input video signal is divided into at least two subframes, in each of which a display signal voltage is written on each pixel. Two consecutive vertical scanning periods of the input video signal include a sequence in which the display signal voltage is written at the same polarity in two consecutive subframes and then has its polarity inverted in the next subframe. A storage capacitor counter voltage has, in each subframe, a first waveform, oscillating in a first cycle time PA, which is an integral number of times (and at least twice) as long as one horizontal scanning period (H), and a second waveform, defined such that the effective value of the CS voltage storage capacitor counter voltage has a predetermined constant value every predetermined number of consecutive vertical scanning periods of the input video signal. Between two subframes in which the polarity of the CS voltage is inverted, the first waveforms of the CS voltage storage capacitor counter voltages have a phase difference of 180 degrees.
    • 在本发明的一个实施例中,通过降低伽马特性的视角依赖性,提供了大屏幕或高分辨率LCD,其显示质量显着提高。 每个像素包括可应用不同电压的第一和第二子像素。 该装置还包括电独立的存储电容器中继线,每个通过存储电容线与第一或第二子像素的各个存储电容器对电极电连接。 输入视频信号的一个垂直扫描周期(V-Total)被划分为至少两个子帧,其中每个子帧在每个像素上写入显示信号电压。 输入视频信号的两个连续的垂直扫描周期包括其中显示信号电压在两个连续子帧中以相同极性写入然后在下一个子帧中被反转的序列。 存储电容器对电压在每个子帧中具有第一波形,该第一波形在第一周期时间P A A A中振荡,该第一周期时间是整数倍(至少两次),只要一个水平扫描 周期(H)和第二波形,其被定义为每当预定数量的输入视频信号的连续垂直扫描周期时,CS电压存储电容器对电压的有效值具有预定的常数值。 在其中CS电压的极性反转的两个子帧之间,CS电压存储电容器对电压的第一波形具有180度的相位差。
    • 10. 发明授权
    • Color filter and liquid crystal display device using the same
    • 滤色镜和液晶显示装置使用相同
    • US07330229B2
    • 2008-02-12
    • US11812646
    • 2007-06-20
    • Masae KitayamaKoji MatsuokaYukio YoshidaTsuyoshi TokudaToshihide Tsubata
    • Masae KitayamaKoji MatsuokaYukio YoshidaTsuyoshi TokudaToshihide Tsubata
    • G02F1/1335
    • G02B5/201G02F1/133512G02F1/133514
    • A color filter of the present invention includes a large number of colored layers of a plurality of colors regularly arranged together. The color filter is such that xWH−0.05≦xB≦xWH+0.05 and yWH−0.05≦yB≦yWH+0.05 or xWH−0.10≦xB≦xWH and yWH−0.10≦yB≦yWH is satisfied, where (xWH, yWH) is the chromaticity in the CIE 1931 chromaticity diagram when the filter alone is irradiated with light to produce a white display, and (xB, yB) is the chromaticity in the CIE 1931 chromaticity diagram when the filter is irradiated with the same light while being interposed between a pair of polarization plates arranged in a crossed Nicols state each having a degree of polarization of 99.98% or more.
    • 本发明的滤色器包括大量有规则地排列在一起的多种颜色的着色层。 滤色片使得<?in-line-formula description =“In-line Formulas”end =“lead”?> x -0.05 <= x B &lt; =&lt; WH&lt; /&gt; +0.05和&lt; WH&lt; -0.05&lt;&lt;&lt;&lt;&lt;&lt; ?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?>或<?in-line- formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> x = x&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&gt;和&lt; WH&lt; WH <?in-line-formula description =“内联公式”end =“tail”?>被满足,其中(x WH )是当用光照射过滤器以产生白色显示时CIE1931色度图中的色度,并且(x B B,Y B B)是色度 在CIE 1931色度图中,当过滤器被照射相同的光同时置于一对极性之间时 排列成尼古诺斯状态的极化板,其极化度为99.98%以上。