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    • 1. 发明授权
    • Method for driving flat panel display
    • 平板显示器驱动方法
    • US08054251B2
    • 2011-11-08
    • US11434819
    • 2006-05-17
    • Seong Joong KimHo Min LimYoung Soo Han
    • Seong Joong KimHo Min LimYoung Soo Han
    • G09G3/30
    • G09G3/325G09G2300/0819G09G2300/0842G09G2310/0251G09G2310/0297G09G2320/0223G09G2320/043
    • A method for driving a flat panel display to improve an image quality and a lifetime of the flat panel display is disclosed. The method for driving the flat panel display includes the steps of: a) storing electric-charges contained in a parasitic capacitor of a data line and a pixel-storage capacitor (Cst) in each pixel via a pixel transistor connected to the data line, which enters a floating state during a predetermined time other than a light-emitting time caused by a data-current writing operation, until a current voltage reaches a threshold voltage of the pixel transistor; and b) performing the writing of a data current corresponding to a pixel to be driven by the data line via the pixel transistor, such that the flat panel display emits light.
    • 公开了一种用于驱动平板显示器以提高平板显示器的图像质量和寿命的方法。 用于驱动平板显示器的方法包括以下步骤:a)经由连接到数据线的像素晶体管将包含在数据线的寄生电容器和像素存储电容器(Cst))中的电荷存储在每个像素中, 其在由数据电流写入操作引起的发光时间以外的预定时间内进入浮置状态,直到当前电压达到像素晶体管的阈值电压; 以及b)通过像素晶体管执行与由数据线驱动的像素对应的数据电流的写入,使得平板显示器发光。
    • 6. 发明授权
    • Prism sheet having wet-out property and LCD back light unit thereby
    • 具有浸湿性的棱镜片和LCD背光单元
    • US08384847B2
    • 2013-02-26
    • US12451706
    • 2007-11-26
    • Young Soo HanSeok Hoon JangJun Hyeak ChoiMan Suk KimKyu Ha Chung
    • Young Soo HanSeok Hoon JangJun Hyeak ChoiMan Suk KimKyu Ha Chung
    • G02F1/1335
    • G02B5/045G02B6/0053G02F1/133606
    • A prism sheet, capable of enhancing wet-out ability in a whole back light unit while maintaining center brightness, transmittance and haze in good condition, is disclosed. The prism sheet includes a base film made of a transparent material and having a flat first surface, and a light refracting part including a plurality of unit prisms unitarily formed with the base film on a second surface of the base film, opposite to the flat first surface. The unit prisms have a predetermined shape of a cross section, and are arranged with orientation. When an angle formed between a ridge of the unit prism of the light refracting part and a normal line of the flat first surface is defined as θn, θn and θn+1 have different values from each other, and n is an integer more than 2. An LCD back light unit using the above prism sheet is also disclosed.
    • 公开了一种棱镜片,其能够在保持中心亮度,透光率和雾度的同时提高整个背光单元的润湿能力。 棱镜片包括由透明材料制成并具有平坦的第一表面的基膜和在基膜的第二表面上与基膜一体形成的多个单位棱镜的光折射部分,与平坦的第一表面相对 表面。 单位棱镜具有预定形状的横截面,并且以取向布置。 当在光折射部分的单位棱镜的脊与平坦的第一表面的法线之间形成的角度被定义为& t; n,&het; n和&; t; n + 1彼此具有不同的值,n 是大于2的整数。还公开了使用上述棱镜片的LCD背光单元。