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    • 2. 发明授权
    • Organic light emitting display and method of driving the same
    • 有机发光显示器及其驱动方法
    • US08269701B2
    • 2012-09-18
    • US12463278
    • 2009-05-08
    • Seung-Won Chegal
    • Seung-Won Chegal
    • G09G3/30
    • G09G3/3275G09G2320/0233G09G2320/0276
    • An organic light emitting display and a driving method thereof, capable of increasing manufacturing yield by widening a range of gamma correction. An exemplary organic light emitting display includes a display region with pixels at crossings of data and scan lines; a gamma correction unit; a gamma correction circuit; a data driver; and a scan driver. The gamma correction unit includes first and second register units for storing first and second gamma correction signals, the second gamma correction signal comprising a corrected first gamma correction signal; a booster unit for correcting the second gamma correction signal to generate a third gamma correction signal; and a multiplexer for selecting the second gamma correction signal or the third gamma correction signal outputted from the booster unit, and for transferring it to the gamma correction circuit.
    • 一种有机发光显示器及其驱动方法,其能够通过扩大伽马校正范围来提高制造成品率。 示例性有机发光显示器包括具有数据和扫描线交叉处的像素的显示区域; 伽马校正单元; 伽马校正电路; 数据驱动程序 和扫描驱动程序。 伽马校正单元包括用于存储第一和第二伽马校正信号的第一和第二寄存器单元,第二伽马校正信号包括校正的第一伽马校正信号; 升压单元,用于校正第二伽马校正信号以产生第三伽马校正信号; 以及多路复用器,用于选择从升压单元输出的第二伽马校正信号或第三伽马校正信号,并将其传送到伽马校正电路。
    • 3. 发明申请
    • Driving circuit of liquid crystal display
    • 液晶显示器的驱动电路
    • US20050151715A1
    • 2005-07-14
    • US10934151
    • 2004-09-03
    • Seung Won Chegal
    • Seung Won Chegal
    • G02F1/133G09G3/20G09G3/36
    • G09G3/3688G11C19/00G11C19/28
    • Disclosed is a liquid crystal display device including a liquid crystal panel having a shift register therein and an interface circuit for adjusting DC and AC levels, for compensating for a loss caused by elements and a resister of the shift register. A driving circuit of the liquid crystal display device includes a clock generation unit outputting a first clock signal as a gate clock signal, a second clock signal as an inverse signal of the first clock signal, and a start pulse, and a DC and AC level amplification unit for amplifying the first and second clock signals and the start pulse after adjusting DC and AC levels of the first and second clock signals and the start pulse, and outputting the first and second clock signals and the start pulse to the shift register.
    • 公开了一种液晶显示装置,其包括具有移位寄存器的液晶面板和用于调整DC和AC电平的接口电路,用于补偿由元件引起的损耗和移位寄存器的阻抗。 液晶显示装置的驱动电路包括时钟产生单元,输出第一时钟信号作为栅极时钟信号,第二时钟信号作为第一时钟信号的反相信号,以及起始脉冲,以及DC和AC电平 放大单元,用于在调整第一和第二时钟信号的DC和AC电平和起始脉冲之后放大第一和第二时钟信号和起始脉冲,并将第一和第二时钟信号和起始脉冲输出到移位寄存器。
    • 5. 发明申请
    • ORGANIC LIGHT EMITTING DISPLAY AND METHOD OF DRIVING THE SAME
    • 有机发光显示器及其驱动方法
    • US20090278773A1
    • 2009-11-12
    • US12463278
    • 2009-05-08
    • Seung-Won Chegal
    • Seung-Won Chegal
    • G09G3/30
    • G09G3/3275G09G2320/0233G09G2320/0276
    • An organic light emitting display and a driving method thereof, capable of increasing manufacturing yield by widening a range of gamma correction. An exemplary organic light emitting display includes a display region with pixels at crossings of data and scan lines; a gamma correction unit; a gamma correction circuit; a data driver; and a scan driver. The gamma correction unit includes first and second register units for storing first and second gamma correction signals, the second gamma correction signal comprising a corrected first gamma correction signal; a booster unit for correcting the second gamma correction signal to generate a third gamma correction signal; and a multiplexer for selecting the second gamma correction signal or the third gamma correction signal outputted from the booster unit, and for transferring it to the gamma correction circuit.
    • 一种有机发光显示器及其驱动方法,其能够通过扩大伽马校正范围来提高制造成品率。 示例性有机发光显示器包括具有数据和扫描线交叉处的像素的显示区域; 伽马校正单元; 伽马校正电路; 数据驱动程序 和扫描驱动程序。 伽马校正单元包括用于存储第一和第二伽马校正信号的第一和第二寄存器单元,第二伽马校正信号包括校正的第一伽马校正信号; 升压单元,用于校正第二伽马校正信号以产生第三伽马校正信号; 以及多路复用器,用于选择从升压单元输出的第二伽马校正信号或第三伽马校正信号,并将其传送到伽马校正电路。
    • 7. 发明授权
    • Driving circuit of liquid crystal display
    • 液晶显示器的驱动电路
    • US07342576B2
    • 2008-03-11
    • US10934151
    • 2004-09-03
    • Seung Won Chegal
    • Seung Won Chegal
    • G09G5/00
    • G09G3/3688G11C19/00G11C19/28
    • Disclosed is a liquid crystal display device including a liquid crystal panel having a shift register therein and an interface circuit for adjusting DC and AC levels, for compensating for a loss caused by elements and a resister of the shift register. A driving circuit of the liquid crystal display device includes a clock generation unit outputting a first clock signal as a gate clock signal, a second clock signal as an inverse signal of the first clock signal, and a start pulse, and a DC and AC level amplification unit for amplifying the first and second clock signals and the start pulse after adjusting DC and AC levels of the first and second clock signals and the start pulse, and outputting the first and second clock signals and the start pulse to the shift register.
    • 公开了一种液晶显示装置,其包括具有移位寄存器的液晶面板和用于调整DC和AC电平的接口电路,用于补偿由元件引起的损耗和移位寄存器的阻抗。 液晶显示装置的驱动电路包括时钟产生单元,输出第一时钟信号作为栅极时钟信号,第二时钟信号作为第一时钟信号的反相信号,以及起始脉冲,以及DC和AC电平 放大单元,用于在调整第一和第二时钟信号的DC和AC电平和起始脉冲之后放大第一和第二时钟信号和起始脉冲,并将第一和第二时钟信号和起始脉冲输出到移位寄存器。