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    • 4. 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。
    • 10. 发明授权
    • Backlight assembly and liquid crystal display device having the same
    • 背光组件和具有该背光组件的液晶显示装置
    • US07102705B2
    • 2006-09-05
    • US10871653
    • 2004-06-17
    • Heu-Gon KimKyu-Seok KimJae-Ho JungJong-Dae ParkJeong-Hwan LeeDong-Hoon Kim
    • Heu-Gon KimKyu-Seok KimJae-Ho JungJong-Dae ParkJeong-Hwan LeeDong-Hoon Kim
    • G02F1/1335
    • G02B6/0018G02B6/0055G02B6/0086
    • A backlight assembly includes a light guide plate including a light incident face, a light exiting face extended from one end portion of the light incident face, and a reflection face extended from another end portion of the light incident face. The reflection face includes a first reflection face extended from another end portion of the light incident face, and a second reflection face horizontally extended from the first reflection face. The backlight assembly additionally includes a light adsorption member disposed adjacent to the reflection face to prevent the light from reflecting. A reflection plate and optical sheets are disposed adjacent to the light guide plate, so that entire thickness of the backlight assembly is reduced. In addition, leakage of the light incident around the third light exiting face is prevented to improve the quality of the image displayed through the LCD device.
    • 背光组件包括导光板,该导光板包括光入射面,从光入射面的一个端部延伸的光出射面和从光入射面的另一端延伸的反射面。 反射面包括从光入射面的另一端部延伸的第一反射面和从第一反射面水平延伸的第二反射面。 背光组件还包括邻近反射面设置的光吸收部件,以防止光反射。 反射板和光学片与导光板相邻设置,使得背光组件的整个厚度减小。 此外,防止了入射在第三光出射面周围的光的泄漏,从而提高通过LCD装置显示的图像的质量。