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    • 61. 发明授权
    • Method for illuminating liquid crystal display device, a back-light assembly for performing the same, and a liquid crystal display device using the same
    • 用于照亮液晶显示装置的方法,用于执行该方法的背光组件以及使用其的液晶显示装置
    • US07397522B2
    • 2008-07-08
    • US10933520
    • 2004-09-03
    • Jeong-Hwan LeeIk-Soo LeeKyu-Seok KimJong-Ho Won
    • Jeong-Hwan LeeIk-Soo LeeKyu-Seok KimJong-Ho Won
    • G02F1/1335
    • G02B6/0051G02B6/0046G02B6/0053G02F1/133615G02F2001/133607
    • A method for illuminating a liquid crystal display device, a back-light assembly for performing the same and a liquid crystal display device using the same can improve the front luminance and production yield. Lights from a lamp is incident to a LCD panel side, which are then primarily diffused for a uniformity of the luminous flux of the incident lights. The luminous flux of the primarily diffused lights is condensed with respect to a first orientation component on a plane in parallel with the LCD panel, and then partially and secondarily diffused for extending a view angle of pixels of the LCD panel. After the luminous flux of the secondarily diffused lights is condensed with respect to a second orientation component perpendicular to the first orientation on the parallel plane, the condensed lights are illuminated onto the LCD panel. A diffusion sheet for secondarily diffusing the luminous flux and a condensing sheet for condensing the second orientation component are formed by a single sheet to reduce the manufacturing process of the liquid crystal display device. Also, a defect produced from respective sheets is minimized to enhance the yield.
    • 一种用于照亮液晶显示装置的方法,用于执行该液晶显示装置的背光组件和使用该方法的液晶显示装置可以提高正面亮度和产量。 来自灯的灯入射到LCD面板侧,然后主要用于漫射入射光的光通量的均匀性。 主要扩散的光的光通量相对于与LCD面板平行的平面上的第一取向分量被冷凝,然后被部分和二次地扩散以延伸LCD面板的像素的视角。 在二次漫射光的光通量相对于垂直于平行平面上的第一取向的第二取向分量会聚后,会聚的光被照亮到LCD面板上。 用于二次扩散光束的扩散片和用于冷凝第二取向成分的聚光片由单片形成,以减少液晶显示装置的制造过程。 此外,由各个片材产生的缺陷被最小化以提高产量。
    • 68. 发明授权
    • Correlated double-sampling circuit and cyclic analog-to-digital converter including the same
    • 相关双采样电路和包括相同的循环模数转换器
    • US07535398B2
    • 2009-05-19
    • US11872850
    • 2007-10-16
    • Seung-Hyun LimJeong-Hwan LeeGun-Hee HanSeog-Hoon Ham
    • Seung-Hyun LimJeong-Hwan LeeGun-Hee HanSeog-Hoon Ham
    • H03M1/12
    • H03M1/1245H03M1/403H04N5/3575
    • An analog-to-digital converter (ADC) includes first and second circuits, a differential amplifier, a comparator and a digital-to-analog converter (DAC). The first circuit samples a reset voltage, amplifies the sampled reset voltage, and subtracts a first reference voltage from the amplified reset voltage to produce a first difference. The second circuit samples a signal voltage, amplifies the sampled signal voltage, and subtracts a second reference voltage from the amplified signal voltage to produce a second difference. The differential amplifier produces a third difference based a comparison of the first and second differences from the first and second circuits. The comparator compares an output of the differential amplifier with at least one predetermined comparison voltage and outputs a comparison result as a digital value. The DAC is connected to the first and second circuits and the comparator, and controls the first and second reference voltages in response to the digital value.
    • 模数转换器(ADC)包括第一和第二电路,差分放大器,比较器和数模转换器(DAC)。 第一电路对复位电压进行采样,放大采样的复位电压,并从放大的复位电压中减去第一个参考电压以产生第一个差值。 第二电路对信号电压进行采样,放大采样信号电压,并从放大的信号电压中减去第二参考电压以产生第二差值。 基于与第一和第二电路的第一和第二差异的比较,差分放大器产生第三差。 比较器将差分放大器的输出与至少一个预定的比较电压进行比较,并将比较结果作为数字值输出。 DAC连接到第一和第二电路和比较器,并且响应于数字值来控制第一和第二参考电压。
    • 69. 发明申请
    • Method for illuminating liquid crystal display device, a back-light assembly for performing the same, and a liquid crystal display device using the same
    • 用于照亮液晶显示装置的方法,用于执行该方法的背光组件以及使用其的液晶显示装置
    • US20090015752A1
    • 2009-01-15
    • US12125674
    • 2008-05-22
    • Jeong-Hwan LeeIk-Soo LeeKyu-Seok KimJong-Ho Won
    • Jeong-Hwan LeeIk-Soo LeeKyu-Seok KimJong-Ho Won
    • G02F1/13357
    • G02B6/0051G02B6/0046G02B6/0053G02F1/133615G02F2001/133607
    • A method for illuminating a liquid crystal display device, a back-light assembly for performing the same and a liquid crystal display device using the same can improve the front luminance and production yield. Lights from a lamp is incident to a LCD panel side, which are then primarily diffused for a uniformity of the luminous flux of the incident lights. The luminous flux of the primarily diffused lights is condensed with respect to a first orientation component on a plane in parallel with the LCD panel, and then partially and secondarily diffused for extending a view angle of pixels of the LCD panel. After the luminous flux of the secondarily diffused lights is condensed with respect to a second orientation component perpendicular to the first orientation on the parallel plane, the condensed lights are illuminated onto the LCD panel. A diffusion sheet for secondarily diffusing the luminous flux and a condensing sheet for condensing the second orientation component are formed by a single sheet to reduce the manufacturing process of the liquid crystal display device. Also, a defect produced from respective sheets is minimized to enhance the yield.
    • 一种用于照亮液晶显示装置的方法,用于执行该液晶显示装置的背光组件和使用该方法的液晶显示装置可以提高正面亮度和产量。 来自灯的灯入射到LCD面板侧,然后主要用于漫射入射光的光通量的均匀性。 主要扩散的光的光通量相对于与LCD面板平行的平面上的第一取向分量被冷凝,然后被部分和二次地扩散以延伸LCD面板的像素的视角。 在二次漫射光的光通量相对于垂直于平行平面上的第一取向的第二取向分量会聚后,会聚的光被照亮到LCD面板上。 用于二次扩散光束的扩散片和用于冷凝第二取向成分的聚光片由单片形成,以减少液晶显示装置的制造过程。 此外,由各个片材产生的缺陷被最小化以提高产量。