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    • 1. 发明授权
    • Ink discharge device of inkjet head and control method thereof
    • 喷墨头喷墨装置及其控制方法
    • US08454113B2
    • 2013-06-04
    • US12923921
    • 2010-10-14
    • Dong Woo PaengKang Woong KoJong Han OhHyun Cheol Oh
    • Dong Woo PaengKang Woong KoJong Han OhHyun Cheol Oh
    • B41J2/205B41J29/38
    • B41J2/2128B41J2202/12
    • Example embodiments are directed to an ink discharge device that discharges uniform amounts of ink droplets from an inkjet head, and a control method thereof. Voltages applied to plural nozzles of the ink-head are changed based on different characteristics of the respective nozzles to discharge uniform amounts of ink droplets from the nozzles. Voltage increments are calculated using a fixed target color value so as to set color value dispersion and voltage increments are calculated using different target color values according to the nozzles so as to satisfy color value differences between the neighboring pixels and thus time required for a DPN process is shortened, and excessive changes of the applied voltages are prevented and thus a preparatory period required to mass-produce an LCD panel is shortened and yield of the LCD panel is increased.
    • 示例性实施例涉及从喷墨头排出均匀量的墨滴的排墨装置及其控制方法。 基于各喷嘴的不同特性来改变施加到墨头的多个喷嘴的电压,以从喷嘴排出均匀的墨滴量。 使用固定的目标色彩值计算电压增量,以便设定颜色色散,并根据喷嘴使用不同的目标色彩值来计算电压增量,以便满足相邻像素之间的颜色值差异,从而满足DPN处理所需的时间 并且防止施加电压的过度变化,因此大量生产LCD面板所需的准备时间缩短,并且LCD面板的产量增加。
    • 2. 发明申请
    • Ink discharge device of inkjet head and control method thereof
    • 喷墨头喷墨装置及其控制方法
    • US20110122187A1
    • 2011-05-26
    • US12923921
    • 2010-10-14
    • Dong Woo PaengKang Woong KoJong Han OhHyun Cheol Oh
    • Dong Woo PaengKang Woong KoJong Han OhHyun Cheol Oh
    • B41J2/205
    • B41J2/2128B41J2202/12
    • Example embodiments are directed to an ink discharge device that discharges uniform amounts of ink droplets from an inkjet head, and a control method thereof. Voltages applied to plural nozzles of the ink-head are changed based on different characteristics of the respective nozzles to discharge uniform amounts of ink droplets from the nozzles. Voltage increments are calculated using a fixed target color value so as to set color value dispersion and voltage increments are calculated using different target color values according to the nozzles so as to satisfy color value differences between the neighboring pixels and thus time required for a DPN process is shortened, and excessive changes of the applied voltages are prevented and thus a preparatory period required to mass-produce an LCD panel is shortened and yield of the LCD panel is increased.
    • 示例性实施例涉及从喷墨头排出均匀量的墨滴的排墨装置及其控制方法。 基于各喷嘴的不同特性来改变施加到墨头的多个喷嘴的电压,以从喷嘴排出均匀的墨滴量。 使用固定的目标色彩值计算电压增量,以便设定颜色色散,并根据喷嘴使用不同的目标色彩值来计算电压增量,以便满足相邻像素之间的颜色值差异,从而满足DPN处理所需的时间 并且防止施加电压的过度变化,因此大量生产LCD面板所需的准备时间缩短,并且LCD面板的产量增加。