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    • 4. 发明授权
    • Thermal inkjet printhead
    • 热喷墨打印头
    • US07585053B2
    • 2009-09-08
    • US11501683
    • 2006-08-10
    • Nam-kyun KimJae-sik MinEun-bong Han
    • Nam-kyun KimJae-sik MinEun-bong Han
    • B41J2/05
    • B41J2/14129
    • A thermal inkjet printhead includes a substrate, an insulation layer formed on the substrate, a heater formed on the insulation layer, a conductor formed on the heater to supply a current to the heater, a chamber layer stacked on the insulation layer having the heater and the conductor therebetween, and having an ink chamber to be filled with ink to be ejected formed therein; a nozzle layer stacked on the chamber layer and having a nozzle through which the ink in the ink chamber is to be ejected, and a plurality of thermal plugs formed in a lower portion of the insulation layer to contact the insulation layer and the substrate and to dissipate heat generated by the heater toward the substrate.
    • 热喷墨打印头包括基板,形成在基板上的绝缘层,形成在绝缘层上的加热器,形成在加热器上以向加热器供电的导体,层叠在具有加热器的绝缘层上的室层,以及 其间的导体,并且具有要在其中填充要喷射的墨水的墨水室; 喷嘴层,其堆叠在所述室层上,并且具有喷嘴,所述墨室中的墨被喷射通过所述喷嘴;以及多个热塞,形成在所述绝缘层的下部以接触所述绝缘层和所述基板,以及 将加热器产生的热量散发到基板。
    • 5. 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。
    • 6. 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。
    • 7. 发明授权
    • Headchip and head for array type inkjet printer
    • 阵列式喷墨打印机头和头
    • US08246135B2
    • 2012-08-21
    • US11958508
    • 2007-12-18
    • Eun-bong HanNam-kyun Kim
    • Eun-bong HanNam-kyun Kim
    • B41J29/38
    • B41J2/14072B41J2/1404B41J2202/11B41J2202/20
    • A headchip and a head of an array type inkjet printer. The headchip of the array type inkjet printer according to an exemplary embodiment of the present general inventive concept includes an ink supply unit which is arranged into first nozzle groups and second nozzle groups according to colors, and a power supply unit to supply power to the plurality of first and second nozzle groups in an alternate order, in which the first and second nozzle groups for one color and the first and second nozzle groups for another color closest in proximity to the one color, are connected using one power line. Accordingly, a voltage drop may be avoided when the plurality of nozzles are driven at the same time.
    • 阵列式喷墨打印机的头部和头部。 根据本发明总体构思的示例性实施例的阵列式喷墨打印机的头芯包括根据颜色被布置到第一喷嘴组和第二喷嘴组中的供墨单元,以及向多个供应单元供电的供电单元 的第一和第二喷嘴组,其中用于一种颜色的第一和第二喷嘴组以及用于另一颜色最接近于一种颜色的第一和第二喷嘴组,使用一条电力线连接。 因此,当同时驱动多个喷嘴时,可以避免电压降。
    • 8. 发明申请
    • Inkjet printer head and method of fabricating the same
    • 喷墨打印头及其制造方法
    • US20060044347A1
    • 2006-03-02
    • US11071363
    • 2005-03-04
    • Myong-jong KwonKyong-il KimKwang-ryul KimNam-kyun KimByung-ha ParkYong-shik ParkEun-bong HanYoung-ung HaSung-joon ParkJae-sik Min
    • Myong-jong KwonKyong-il KimKwang-ryul KimNam-kyun KimByung-ha ParkYong-shik ParkEun-bong HanYoung-ung HaSung-joon ParkJae-sik Min
    • B41J2/135
    • B41J2/1603B41J2/1628B41J2/1629B41J2/1645
    • An inkjet printer head includes a substrate having an ink-feed hole to supply ink stored in a cartridge to an ink chamber and a restrictor in fluid communication with the ink chamber, an oxide layer formed on the substrate, a heater disposed on the oxide layer above the restrictor and having fixed parts disposed on the oxide layer, slopes extending upward and away from the restrictor at an incline, and a parallel part extending between the slopes parallel to the substrate, a lead formed to be in electrical contact with the heater, a chamber layer formed to cover the lead and to define the ink chamber, and a nozzle layer formed on the chamber layer and having a nozzle. In the inkjet printer head, the lifespan of the heater may be extended since the heater is supported by the slopes, which function as a shock absorbing member when ink supply pressure or cavitation force is applied to a surface of the heater. In addition, since the heater does not have a right angle structure, the heater may be formed to have a uniform thickness even when a thin layer used for the heater is formed by a deposition method.
    • 一种喷墨打印头包括:具有供墨孔的基板,用于将存储在墨盒中的墨水供应到墨室;以及限制器,其与所述墨室流体连通;形成在所述基板上的氧化物层;设置在所述氧化物层上的加热器 在限流器上方并且具有设置在氧化物层上的固定部分,倾斜在倾斜处向上延伸并远离限制器,并且平行部分在平行于衬底的斜面之间延伸,形成为与加热器电接触的引线, 形成为覆盖引线并限定墨水室的室层,以及形成在室层上并具有喷嘴的喷嘴层。 在喷墨打印机头中,加热器的寿命可以延长,因为加热器由斜面支撑,当墨水供应压力或空穴力施加到加热器的表面时,该斜面用作减震构件。 此外,由于加热器不具有直角结构,即使当通过沉积方法形成用于加热器的薄层时,也可以将加热器形成为具有均匀的厚度。
    • 9. 发明授权
    • Ink-jet printer and method of driving head thereof
    • 喷墨打印机及其驱动头的方法
    • US06712438B2
    • 2004-03-30
    • US10241613
    • 2002-09-12
    • Eun-bong Han
    • Eun-bong Han
    • B41J2938
    • B41J2/04541B41J2/0458
    • An ink-jet printer includes a nozzle driving unit selectively driving a plurality nozzles to discharge ink through the nozzles, a signal supply supplying a driving signal to the nozzle driving unit, a shift register storing a nozzle selection signal to select a nozzle after the nozzle selection signal is synchronized with a clock signal, a counter counting an input number of the clock signal and deciding whether to operate the shift register, and a controller inputting a discharge signal into the signal supply to discharge the ink when the shift register is disabled. The counter compares a set-up value set up in accordance with a bit number of the nozzle selection data signal with the input number of the clock signal to disable the shift register. Therefore, noise introduced into the noise selection signal by the discharge signal is eliminated. Thus a malfunction of the head driving device can be prevented.
    • 喷墨打印机包括:喷嘴驱动单元,其选择性地驱动多个喷嘴以通过喷嘴排出墨;向喷嘴驱动单元提供驱动信号的信号电源;存储喷嘴选择信号的移位寄存器,用于在喷嘴之后选择喷嘴 选择信号与时钟信号同步,计数器对时钟信号的输入号码进行计数,并决定是否操作移位寄存器,以及控制器,当禁止移位寄存器时,将放电信号输入到信号源中以放电。 计数器将根据喷嘴选择数据信号的位数设置的设置值与时钟信号的输入号进行比较,以禁用移位寄存器。 因此,消除了通过放电信号引入噪声选择信号的噪声。 因此,可以防止头驱动装置的故障。