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    • 21. 发明申请
    • Method and apparatus to compensate for defective nozzle of inkjet image forming device
    • 用于补偿喷墨图像形成装置的有缺陷的喷嘴的方法和装置
    • US20070176953A1
    • 2007-08-02
    • US11528546
    • 2006-09-28
    • Eun-bong Han
    • Eun-bong Han
    • B41J29/38
    • B41J29/393B41J2/0451B41J2/0458B41J2/04581B41J2/2139B41J2/2146B41J25/001B41J2202/20
    • A method to compensate for a degradation of print image quality generated by a defective nozzle, from which no ink or less than a design specification required amount of ink is ejected, in an inkjet image forming device includes moving a printer head a moving distance in a scanning direction, shifting image data corresponding to nozzles of the printer head in a direction opposite to the moving direction of the printer head by the number of nozzles corresponding to the moving distance of the printer head, and printing an image by driving the nozzles according to the shifted image data, and an apparatus to compensate for a degradation of print image quality generated by a defective nozzle, from which no ink or less than a design specification required amount of ink is ejected.
    • 在喷墨图像形成装置中,补偿由喷墨图像形成装置中没有墨水或不到设计规格要求的墨水喷出的缺陷喷嘴产生的打印图像质量的劣化的方法包括使打印机头移动一个移动距离 扫描方向,将与打印头的喷嘴相对应的图像数据沿着与打印头的移动方向相反的方向移动与打印头的移动距离相对应的喷嘴的数量,以及通过根据打印头的移动距离来驱动喷嘴来打印图像 移位的图像数据,以及用于补偿由缺陷墨水产生的打印图像质量劣化的装置,其中不喷墨或小于设计规格所需的墨水量。
    • 22. 发明申请
    • Print head driving apparatus usable with an ink-jet printer and semiconductor circuit board to implement the print head driving apparatus
    • 可与喷墨打印机和半导体电路板一起使用的打印头驱动装置来实现打印头驱动装置
    • US20060023012A1
    • 2006-02-02
    • US11165393
    • 2005-06-24
    • Eun-bong Han
    • Eun-bong Han
    • B41J29/38
    • B41J2/04541B41J2/04543B41J2/0458H04N1/1931
    • A print head driving apparatus capable of enhancing integration of a semiconductor circuit board in which the print head driving apparatus. The print head driving apparatus includes a selecting unit to selectively drive a plurality of nozzles in the print head, a primitive signal receiving unit to receive a serial primitive signal to select a primitive group from among a plurality of n primitive groups each containing a plurality of m nozzles capable of ejecting ink from the print head during a given print cycle, to convert the serial primitive signal to a parallel primitive signal, and to provide the parallel primitive signal to the selecting unit, and an address signal receiving unit to receive a serial address signal to select at least one nozzle through which ink should be ejected in the selected primitive group, to convert the serial address signal to a parallel address signal, and to provide the parallel address signal to the selecting unit, wherein the primitive signal-receiving unit includes n 1-bit shift registers serially connected to each other, and each of the n 1-bit shift registers corresponds to a respective one of the plurality of n primitive groups. Therefore, it is possible to reduce a number of wires required to transfer selection signals on a semiconductor circuit board in which the print head driving apparatus is implemented, thereby achieving a high-density layout of the semiconductor circuit board.
    • 一种能够增强其中打印头驱动装置的半导体电路板的集成的打印头驱动装置。 打印头驱动装置包括:选择单元,用于选择性地驱动打印头中的多个喷嘴;原语信号接收单元,用于接收串行原语信号,以从多个n个基元组中选择一个原语组,每个n个基元组包含多个 m个喷嘴能够在给定的打印周期期间从打印头喷射墨水,将串行原始信号转换成并行的原始信号,并将并行的原始信号提供给选择单元;以及地址信号接收单元,用于接收串行 地址信号以选择要在所选择的原语组中喷射墨水的至少一个喷嘴,将串行地址信号转换为并行地址信号,并将并行地址信号提供给选择单元,其中原语信号接收 单元包括彼此串行连接的n个1位移位寄存器,并且n个1位移位寄存器中的每一个对应于相应的 多个n个原始组之一。 因此,可以减少在实现打印头驱动装置的半导体电路板上传送选择信号所需的电线数量,从而实现半导体电路板的高密度布局。
    • 26. 发明申请
    • INKJET PRINT HEAD AND MANUFACTURING METHOD THEREOF
    • INKJET打印头及其制造方法
    • US20090021561A1
    • 2009-01-22
    • US12120352
    • 2008-05-14
    • Myong Jong KwonTae Jin KimEun Bong HanSung Joon Park
    • Myong Jong KwonTae Jin KimEun Bong HanSung Joon Park
    • B41J2/05G11B5/127
    • B41J2/14129B41J2/1603B41J2/1626B41J2/1631B41J2/1632B41J2/1635B41J2/1639B41J2/1642B41J2/1643B41J2/1645B41J2/1646
    • An inkjet print head and manufacturing method includes a substrate, an insulating layer formed on a surface of the substrate to have an electrode formation space, an electrode formed in the electrode formation space to be positioned on the same plane with the insulating layer, a heater formed on upper surfaces of the insulating layer and the electrode, and a passivation layer formed on the insulating layer and the heater. The heater is formed to be flat on the insulating layer and the electrodes, thereby reducing the thickness of the passivation layer. Further, copper having relatively high electric conductivity is used as a material of the electrodes, which apply current to the heater to generate heat, instead of aluminum, thereby increasing a degree of freedom in the thickness of the electrodes. Further, uniform current can be applied to the respective heaters at different positions in single firing and full firing of ink, thereby reducing entire input energy and also improving ink ejection stability and reliability of the inkjet print head.
    • 喷墨打印头和制造方法包括:基板,形成在基板的表面上以具有电极形成空间的绝缘层,形成在电极形成空间中以与绝缘层位于同一平面上的电极;加热器 形成在绝缘层和电极的上表面上,以及形成在绝缘层和加热器上的钝化层。 加热器在绝缘层和电极上形成为平坦的,从而减小钝化层的厚度。 此外,使用具有较高导电性的铜作为电极的材料,其将电流施加到加热器以产生热量而不是铝,从而增加电极的厚度的自由度。 此外,可以在单次点火和完全点燃油墨的不同位置对各个加热器施加均匀的电流,从而降低整个输入能量,并且还改善喷墨打印头的喷墨稳定性和可靠性。
    • 28. 发明申请
    • DEVICE TO DRIVE RECORDING ELEMENTS OF A PRINT HEAD AND AN IMAGE FORMING APPARATUS HAVING THE SAME
    • 用于驱动打印头和成像装置的图像的记录元件的装置
    • US20070177169A1
    • 2007-08-02
    • US11553050
    • 2006-10-26
    • Eun-bong HAN
    • Eun-bong HAN
    • G06K15/10
    • B41J2/04586B41J2/04541B41J2/04546
    • A device to select and drive recording elements included in a print head that prints images, for example, a nozzle. The device includes an encoder to encode address data, a decoder to decode the encoded address data to restore original address data, an address data bus to connect the encoder with the decoder to transfer the encoded address data to the decoder, a driver to drive the recording elements using the primitive data and the decoded address data, and a primitive data bus to transfer the primitive data to the driver. Accordingly, when the recording elements included in the print head are driven using the primitive data and the address data, the address data can be encoded so that neighboring recording elements share the address data bus to reduce the number of address data bus lines and a size of a print head chip.
    • 用于选择和驱动包括在打印图像的打印头中的记录元件的设备,例如喷嘴。 该装置包括用于编码地址数据的编码器,用于解码编码的地址数据以恢复原始地址数据的解码器,将编码器与解码器连接的地址数据总线,以将编码的地址数据传送到解码器,驱动器 使用原始数据和解码的地址数据的记录元件,以及将原始数据传送到驱动器的原始数据总线。 因此,当使用原始数据和地址数据驱动包括在打印头中的记录元件时,可以对地址数据进行编码,使得相邻的记录元件共享地址数据总线以减少地址数据总线的数量和尺寸 的打印头芯片。
    • 30. 发明申请
    • Head driving device, inkjet printer comprising the same, and data processing method thereof
    • 头驱动装置,包括其的喷墨打印机及其数据处理方法
    • US20070070104A1
    • 2007-03-29
    • US11519782
    • 2006-09-13
    • Kyoung-sik ParkEun-bong Han
    • Kyoung-sik ParkEun-bong Han
    • B41J29/38
    • B41J2/0458B41J2/04541B41J2/04543G06K15/02G06K15/102G06K15/1814
    • A head driving device, an inkjet printer comprising the same and data processing method of an ink jet printer are provided, in which a nozzle driving unit turns on/off a plurality of thermal elements that correspond to a plurality of nozzles and heat ink discharged from the nozzles, a data processing unit processes printing data and outputs a nozzle select signal corresponding to an image to the nozzle driving unit; and a head logic unit receives the printing data externally, divides the printing data of one address group into a plurality of data groups, transmits the plurality of data groups to the data processing unit via different data buses corresponding to the plurality of data groups, respectively, and controls the data processing unit to process the divided printing data. Accordingly, an EMI characteristic between signals can be improved by lowering the data buses density in one area, and a data processing speed can be adjusted by dividedly processing printing data.
    • 提供一种头驱动装置,包括其的喷墨打印机和喷墨打印机的数据处理方法,其中喷嘴驱动单元打开/关闭与多个喷嘴相对应的多个热元件,并且从 喷嘴,数据处理单元处理打印数据并将与图像相对应的喷嘴选择信号输出到喷嘴驱动单元; 并且头部逻辑单元从外部接收打印数据,将一个地址组的打印数据分成多个数据组,分别经由与多个数据组对应的不同数据总线将多个数据组发送到数据处理单元 并且控制数据处理单元处理划分的打印数据。 因此,可以通过降低一个区域中的数据总线密度来提高信号之间的EMI特性,并且可以通过分割处理打印数据来调整数据处理速度。