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    • 7. 发明授权
    • Ink-jet print apparatus and method
    • 喷墨打印设备和方法
    • US08740338B2
    • 2014-06-03
    • US12546749
    • 2009-08-25
    • Hwang Un SeoHong Myeong JeonMan In Baek
    • Hwang Un SeoHong Myeong JeonMan In Baek
    • B41J29/393
    • B41J29/393
    • An ink-jet print apparatus adapted to prevent stain defects is disclosed.The ink-jet print apparatus includes: first to third head portions configured to form red, green, and blue color filters on a substrate; a plurality of nozzles provided in each of the first to third head portions; a camera, above the substrate, configured to photograph a transmittance of each of sub-pixels in which the red, green, and blue are formed; a light emission unit, under the substrate opposite to the camera, configured to emit light on the sub-pixel; and an injection quantity control unit configured to compare the transmittance of each sub-pixel photographed by the camera with a previously prepared reference transmittance and to compensate the injection quantity of the nozzle.
    • 公开了一种适用于防止污点缺陷的喷墨打印设备。 喷墨打印设备包括:配置成在基板上形成红色,绿色和蓝色滤色器的第一至第三头部; 设置在所述第一至第三头部中的每一个中的多个喷嘴; 基板上方的相机,被配置为拍摄形成有所述红色,绿色和蓝色的每个子像素的透射率; 发光单元,在与所述照相机相对的基板的下方,配置为在所述子像素上发光; 以及喷射量控制单元,被配置为将由照相机拍摄的每个子像素的透射率与预先准备的参考透射率进行比较并补偿喷嘴的喷射量。