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    • 2. 发明授权
    • Display system
    • 显示系统
    • US09583030B2
    • 2017-02-28
    • US14138190
    • 2013-12-23
    • Synaptics Japan GK
    • Yoshiki KurokawaYasuyuki KudoHiroyuki NittaKazuki HommaJunya Takeda
    • G09G1/00G09G3/36G09G5/04G09G5/06
    • G09G1/002G09G3/3655G09G5/04G09G5/06G09G2320/0242G09G2340/145
    • A display drive circuit of the invention has: an initial-color-gamut-apex-coordinate-storing unit capable of storing initial color gamut apex coordinates; a user-target-color-gamut-apex-coordinate-storing unit capable of storing user target color gamut apex coordinates; a saturation-expansion-coefficient-deciding unit for deciding expansion coefficients of saturation data based on the initial and user target color gamut apex coordinates; and an expansion unit for expanding saturations of display data based on the saturation expansion coefficients. The expansion coefficients of saturation data are decided based on the initial and user target color gamut apex coordinates, and saturations of display data are expanded according to the expansion coefficients. Thus, the degree of expanding the saturations can be controlled for each color gamut or each of R, G and B color properties of an LC display panel.
    • 本发明的显示驱动电路具有:能够存储初始色域顶点坐标的初始色域 - 顶点坐标存储单元; 能够存储用户目标色域顶点坐标的用户对象色彩 - 顶点坐标存储单元; 饱和扩张系数决定单元,用于基于初始和用户目标色域顶点坐标来确定饱和度数据的扩展系数; 以及用于基于饱和度膨胀系数扩大显示数据的饱和度的扩展单元。 基于初始和用户目标色域顶点坐标来确定饱和度数据的扩展系数,根据扩展系数扩展显示数据的饱和度。 因此,可以对于每个色域或LC显示面板的R,G和B颜色属性中的每一个来控制饱和度的扩大程度。
    • 4. 发明授权
    • Display apparatus
    • 显示装置
    • US06795065B2
    • 2004-09-21
    • US09983815
    • 2001-10-26
    • Ho-Woong Kang
    • Ho-Woong Kang
    • G09G500
    • G09G1/002G09G2320/0606G09G2320/0626G09G2320/066H04N5/57
    • A display apparatus having a display part, comprising an amplifying part amplifying an inputted picture signal and transmitting it to the display part; a clock signal generating part generating a clock signal in synchronization with at least one of vertical and horizontal synchronous signals transmitted together with the inputted picture signal; and a controller controlling the amplifying part to adjust an amplification rate so that brightness is alternately changed within a predetermined limit according to at least one of periods of the horizontal and vertical synchronous signals, synchronizing with the clock signal generated from the clock signal generating part. With this configuration, clear and bright moving pictures can be displayed, and the life span of the display apparatus can be lengthened.
    • 一种具有显示部分的显示装置,包括放大输入的图像信号并将其发送到显示部分的放大部分; 时钟信号产生部分,与输入的图像信号一起发送的垂直和水平同步信号中的至少一个同步地产生时钟信号; 以及控制器,控制放大部分,以调整放大率,使得根据从时钟信号产生部分生成的时钟信号,根据水平和垂直同步信号的周期中的至少一个周期,亮度在预定限度内交替变化。 通过这种配置,可以显示清晰和明亮的动态图像,并且可以延长显示装置的使用寿命。
    • 6. 发明申请
    • Display apparatus
    • 显示装置
    • US20020191006A1
    • 2002-12-19
    • US09983815
    • 2001-10-26
    • Ho-Woong Kang
    • G09G005/00G09G005/10
    • G09G1/002G09G2320/0606G09G2320/0626G09G2320/066H04N5/57
    • A display apparatus having a display part, comprising an amplifying part amplifying an inputted picture signal and transmitting it to the display part; a clock signal generating part generating a clock signal in synchronization with at least one of vertical and horizontal synchronous signals transmitted together with the inputted picture signal; and a controller controlling the amplifying part to adjust an amplification rate so that brightness is alternately changed within a predetermined limit according to at least one of periods of the horizontal and vertical synchronous signals, synchronizing with the clock signal generated from the clock signal generating part. With this configuration, clear and bright moving pictures can be displayed, and the life span of the display apparatus can be lengthened.
    • 一种具有显示部分的显示装置,包括放大输入的图像信号并将其发送到显示部分的放大部分; 时钟信号产生部分,与输入的图像信号一起发送的垂直和水平同步信号中的至少一个同步地产生时钟信号; 以及控制器,控制放大部分,以调整放大率,使得根据从时钟信号产生部分生成的时钟信号,根据水平和垂直同步信号的周期中的至少一个周期,亮度在预定限度内交替变化。 通过这种配置,可以显示清晰和明亮的动态图像,并且可以延长显示装置的使用寿命。
    • 7. 发明授权
    • Image display device
    • 图像显示装置
    • US06400418B1
    • 2002-06-04
    • US09251328
    • 1999-02-17
    • Toshitsugu Wakabayashi
    • Toshitsugu Wakabayashi
    • H04N514
    • G09G1/002H04N5/208H04N5/59H04N5/68H04N9/645
    • A beam current detection unit (5) detects the brightness of the image displayed on a screen (10) on the basis of a current J flowing inside a CRT (1). A drive control unit (40) selectively closes and opens the switches (42) and (43) in accordance with the detected brightness. Restriction characteristic against a current (I) flowing in a secondary winding (32) included in an inductor (3) is varied stepwise so that the inductance of a primary winding (31) is controlled. Thereby, the frequency characteristic of the gain of an amplifying unit (2) for amplifying an image signal (Pin) is controlled. The high frequency component of the gain is enhanced for a binary image of a normal display, whereas it is enfeebled for a binary image of a reverse display, for example. Thus, the visual quality of the image is optimized depending on the type of the image.
    • 光束电流检测单元(5)基于在CRT(1)内流动的电流J来检测在屏幕(10)上显示的图像的亮度。 驱动控制单元(40)根据检测到的亮度选择性地关闭和打开开关(42)和(43)。 包含在电感器(3)中的次级绕组(32)中流动的电流(I)的限制特性是逐步改变的,从而控制初级绕组(31)的电感。 由此,控制用于放大图像信号(Pin)的放大单元(2)的增益的频率特性。 增益的高频分量对于正常显示的二进制图像而言是增强的,而对于例如反向显示的二进制图像则是增强的。 因此,根据图像的类型来优化图像的视觉质量。
    • 10. 发明授权
    • First grid muting circuit
    • 第一栅格静噪电路
    • US5463289A
    • 1995-10-31
    • US189513
    • 1994-01-31
    • Moon J. Song
    • Moon J. Song
    • G09G1/00H04N3/24H01J29/52
    • G09G1/002H04N3/24
    • A first grid muting circuit for a monitor display for smooth muting operation of a muting circuit portion to provide a stable picture to a viewer can be favorably applied to a monitor circuit by a microcomputer for supplying a muting signal to blocks per corresponding modes, a contrast muting circuit portion for muting the muting signal to a predetermined level, a video circuit for outputting the muted contrast signal as a video signal, a first grid drive portion for driving a first grid circuit, and the first grid circuit for outputting a first grid signal for controlling a cathode ray tube to a vertical blanking circuit in accordance with a control signal of the first grid drive portion. The first grid muting circuit further has a plurality of switches for selectively switching a positive power supply voltage in accordance with the muting signal of the microcomputer to output the switched positive power supply voltage, and resistors for variably adjusting a negative power supply voltage in accordance with a predetermined variable resistance value to output the adjusted negative power supply voltage, thereby minutely controlling the operation of a muting circuit portion to provide the stable picture.
    • 用于监视器显示器的第一栅极静噪电路用于平滑地静音操作静音电路部分以向观看者提供稳定的图像可以被微计算机应用于监视器电路,该微型计算机用于向相应模式的块提供静噪信号,对比度 静音电路部分,用于将静音信号静音到预定电平,用于输出静音对比度信号作为视频信号的视频电路,用于驱动第一电网电路的第一电网驱动部分和用于输出第一电网信号的第一电网电路 用于根据第一格栅驱动部分的控制信号将阴极射线管控制到垂直消隐电路。 第一栅极静噪电路还具有多个开关,用于根据微型计算机的屏蔽信号有选择地切换正电源电压以输出开关正电源电压;以及电阻器,用于可变地调节负电源电压,依照 预定的可变电阻值,以输出调整的负电源电压,从而精细地控制静音电路部分的操作以提供稳定的图像。