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1. 发明授权

US07909438B2 Piezo-electric type inkjet printhead 有权
标题翻译：压电式喷墨打印头
公开(公告)号：US07909438B2
公开(公告)日：2011-03-22
申请号：US11775424
申请日：2007-07-10
申请人： Tae-kyung Lee , Sang-kwon Wee , Jae-woo Chung , Tae-woon Cha , Jae-chang Lee
发明人： Tae-kyung Lee , Sang-kwon Wee , Jae-woo Chung , Tae-woon Cha , Jae-chang Lee
IPC分类号： B41J2/045
CPC分类号： B41J2/14233 , B41J2/1433 , B41J2002/14475
摘要： A piezoelectric type inkjet printhead includes an upper substrate including a pressure chamber to be filled with ink that is to be ejected, a reservoir to store ink that flowed in from an ink container, a restrictor connect the reservoir to one end of the pressure chamber, an intermediate substrate comprising a damper formed on a portion of the intermediate substrate, which corresponds to other end of the pressure chamber, a lower substrate comprising a nozzle to eject ink and formed in a portion of the lower substrate, which corresponds to the damper, a hydrophobic layer formed on a bottom of the lower substrate, and a piezoelectric actuator formed on the upper substrate to supply driving power to eject ink to the pressure chamber, wherein the nozzle is formed in the lower substrate at a predetermined depth from a bottom surface of the lower substrate.
摘要翻译：压电型喷墨打印头包括：上部基板，其包括要填充要喷射的墨的压力室;存储器，用于存储从墨水容器流入的墨水;限制器将储存器连接到压力室的一端; 中间基板，包括形成在所述中间基板的与所述压力室的另一端相对应的部分上的阻尼器，下部基板，包括用于喷射墨水并形成在所述下部基板的对应于所述阻尼器的部分中的喷嘴，形成在所述下基板的底部上的疏水层，以及形成在所述上基板上以提供驱动力以将油墨喷射到所述压力室的压电致动器，其中所述喷嘴形成在所述下基板中，的下基板。

2. 发明申请

US20080129799A1 PIEZO-ELECTRIC TYPE INKJET PRINTHEAD 有权
标题翻译： PIEZO-ELECTRIC型喷墨打印机
公开(公告)号：US20080129799A1
公开(公告)日：2008-06-05
申请号：US11775424
申请日：2007-07-10
申请人： Tae-kyung Lee , Sang-kwon Wee , Jae-woo Chung , Tae-woon Cha , Jae-chang Lee
发明人： Tae-kyung Lee , Sang-kwon Wee , Jae-woo Chung , Tae-woon Cha , Jae-chang Lee
IPC分类号： B41J2/045
CPC分类号： B41J2/14233 , B41J2/1433 , B41J2002/14475
摘要： A piezoelectric type inkjet printhead includes an upper substrate including a pressure chamber to be filled with ink that is to be ejected, a reservoir to store ink that flowed in from an ink container, a restrictor connect the reservoir to one end of the pressure chamber, an intermediate substrate comprising a damper formed on a portion of the intermediate substrate, which corresponds to other end of the pressure chamber, a lower substrate comprising a nozzle to eject ink and formed in a portion of the lower substrate, which corresponds to the damper, a hydrophobic layer formed on a bottom of the lower substrate, and a piezoelectric actuator formed on the upper substrate to supply driving power to eject ink to the pressure chamber, wherein the nozzle is formed in the lower substrate at a predetermined depth from a bottom surface of the lower substrate.
摘要翻译：压电型喷墨打印头包括：上部基板，其包括要填充要喷射的墨的压力室;存储器，用于存储从墨水容器流入的墨水;限制器将储存器连接到压力室的一端; 中间基板，包括形成在所述中间基板的与所述压力室的另一端相对应的部分上的阻尼器，下部基板，包括用于喷射墨水并形成在所述下部基板的对应于所述阻尼器的部分中的喷嘴，形成在所述下基板的底部上的疏水层，以及形成在所述上基板上以提供驱动力以将油墨喷射到所述压力室的压电致动器，其中所述喷嘴形成在所述下基板中，的下基板。

3. 发明授权

US08011749B2 Apparatus and method for measuring thickness of ink layer in pixel 有权
标题翻译：用于测量像素中油墨层厚度的装置和方法
公开(公告)号：US08011749B2
公开(公告)日：2011-09-06
申请号：US12123713
申请日：2008-05-20
申请人： Sang-il Kim , Tae-gyun Kim , Tae-woon Cha , Sang-kwon Wee
发明人： Sang-il Kim , Tae-gyun Kim , Tae-woon Cha , Sang-kwon Wee
IPC分类号： B41J29/38 , B41J29/393 , G01F23/00
CPC分类号： B41J29/393
摘要： Provided are an apparatus and method for measuring the thickness of an ink layer in a pixel and a method of controlling nozzles of an inkjet head using the apparatus and method. The apparatus includes: a substrate; a plurality of pixels disposed on the substrate and filled with ink due to a printing operation; first and second electrodes corresponding to the pixels, the first and second electrodes disposed on opposite sides of each of the pixels; and a capacitance measurement circuit electrically connected to the first and second electrodes to measure the capacitance of each of the pixels.
摘要翻译：提供了一种用于测量像素中的墨层的厚度的装置和方法，以及使用该装置和方法控制喷墨头的喷嘴的方法。该装置包括：基板; 设置在基板上并由于打印操作而填充有墨水的多个像素; 对应于像素的第一和第二电极，第一和第二电极设置在每个像素的相对侧上; 以及电容测量电路，电连接到第一和第二电极以测量每个像素的电容。

4. 发明申请

US20090174742A1 APPARATUS AND METHOD FOR MEASURING THICKNESS OF INK LAYER IN PIXEL 有权
标题翻译：用于测量像素中墨盒厚度的装置和方法
公开(公告)号：US20090174742A1
公开(公告)日：2009-07-09
申请号：US12123713
申请日：2008-05-20
申请人： Sang-il Kim , Tae-gyun Kim , Tae-woon Cha , Sang-kwon Wee
发明人： Sang-il Kim , Tae-gyun Kim , Tae-woon Cha , Sang-kwon Wee
IPC分类号： B41J29/38
CPC分类号： B41J29/393
摘要： Provided are an apparatus and method for measuring the thickness of an ink layer in a pixel and a method of controlling nozzles of an inkjet head using the apparatus and method. The apparatus includes: a substrate; a plurality of pixels disposed on the substrate and filled with ink due to a printing operation; first and second electrodes corresponding to the pixels, the first and second electrodes disposed on opposite sides of each of the pixels; and a capacitance measurement circuit electrically connected to the first and second electrodes to measure the capacitance of each of the pixels.
摘要翻译：提供了一种用于测量像素中的墨层的厚度的装置和方法，以及使用该装置和方法控制喷墨头的喷嘴的方法。该装置包括：基板; 设置在基板上并由于打印操作而填充有墨水的多个像素; 对应于像素的第一和第二电极，第一和第二电极设置在每个像素的相对侧上; 以及电容测量电路，电连接到第一和第二电极以测量每个像素的电容。

5. 发明授权

US08052253B2 Inkjet head having piezoelectric actuator for restrictor, and image forming method and apparatus having the same 有权
标题翻译：具有用于限制器的压电致动器的喷墨头，以及具有该喷墨头的图像形成方法和装置
公开(公告)号：US08052253B2
公开(公告)日：2011-11-08
申请号：US11758270
申请日：2007-06-05
申请人： Sang-kwon Wee , Se-young Oh , Jae-woo Chung
发明人： Sang-kwon Wee , Se-young Oh , Jae-woo Chung
IPC分类号： B41J2/045
CPC分类号： B41J2/055 , B41J2/14233 , B41J2002/14338
摘要： A piezoelectric inkjet head having piezoelectric actuators for restrictors includes a flow channel plate including an ink inlet through which ink enters, a plurality of pressure chambers into which ink to be ejected is filled, a manifold which is a path to receive ink from the ink inlet and to supply the received ink to the pressure chambers, a plurality of restrictors that connect the manifold to the pressure chambers, and a plurality of nozzles to eject ink from the pressure chambers to an outside thereof. The piezoelectric inkjet head also includes a plurality of first piezoelectric actuators formed on the flow channel plate corresponding to positions of the pressure chambers to provide a driving force to each of the pressure chambers to eject ink to the outside. The piezoelectric inkjet head also includes a plurality of second piezoelectric actuators formed on the flow channel plate corresponding to positions of the restrictors to change cross-sectional areas of the restrictors.
摘要翻译：具有用于限制器的压电致动器的压电式喷墨头包括：流路板，其包括墨入口的墨入口，填充有待喷射墨的多个压力室，作为从墨入口接收墨的路径的歧管并且将接收到的墨水供应到压力室，将歧管连接到压力室的多个限制器，以及用于将墨从压力室喷射到其外部的多个喷嘴。压电喷墨头还包括形成在流道板上的多个第一压电致动器，其对应于压力室的位置，以向每个压力室提供驱动力以将油墨喷射到外部。压电喷墨头还包括形成在流道板上的多个第二压电致动器，其对应于限制器的位置以改变限制器的横截面积。

6. 发明授权

US07802874B2 Restrictors with structure to prevent back flow and inkjet head having the same 有权
标题翻译：具有防止回流的结构的限流器和具有相同的喷墨头
公开(公告)号：US07802874B2
公开(公告)日：2010-09-28
申请号：US11756061
申请日：2007-05-31
申请人： Sang-kwon Wee , Se-young Oh , Jae-woo Chung , Mi-jeong Song
发明人： Sang-kwon Wee , Se-young Oh , Jae-woo Chung , Mi-jeong Song
IPC分类号： B41J2/45
CPC分类号： B41J2/055 , B41J2/14233 , B41J2002/14306 , B41J2202/11
摘要： A restrictor with a structure to prevent a back flow of ink and an inkjet head including the restrictor. In the inkjet head, an ink channel is formed in a channel plate, and the ink channel includes an ink inlet, a plurality of pressure chambers, a manifold, a plurality of restrictors respectively connecting the pressure chambers to the manifold, and a plurality of nozzles. Piezoelectric actuators are formed on the channel plate. Each of the restrictors includes a plurality of protrusions formed on an inner surface thereof in a structure suitable to increase a flow resistance of the restrictor when ink flows from the pressure chamber to the manifold through the restrictor. Each of the protrusions includes a first surface facing a flow of ink moving through the restrictor in a direction from the manifold to the pressure chamber, and a second surface facing a flow of ink moving through the restrictor in a direction from the pressure chamber to the manifold. The first surface has a low flow resistance, and the second surface has a high flow resistance. Therefore, a black flow of ink is restricted when ink is ejected, and sufficient ink can be supplied through the restrictor during an ink refill process.
摘要翻译：具有防止墨回流的结构的限流器和包括限流器的喷墨头。在喷墨头中，在通道板中形成墨水通道，墨水通道包括墨水入口，多个压力室，歧管，分别将压力室连接到歧管的多个限流器，以及多个喷嘴。压电致动器形成在通道板上。每个限流器包括形成在其内表面上的多个突起，其结构适于当油墨通过限制器从压力室流到歧管时增加限流器的流动阻力。每个突起包括面向墨水流的第一表面，所述第一表面沿着从歧管到压力室的方向移动通过限流器;以及第二表面，所述第二表面面向墨水流动，所述第二表面沿着从所述压力室到所述压力室的方向移动通过所述限制器多数。第一表面具有低流动阻力，第二表面具有高流动阻力。因此，当墨水喷射时，墨水的黑色流动受到限制，并且在填墨过程中可以通过限流器供应足够的墨水。

7. 发明申请

US20080129798A1 RESTRICTORS WITH STRUCTURE TO PREVENT BACK FLOW AND INKJET HEAD HAVING THE SAME 有权
标题翻译：具有结构防止背部流动的限制器和具有其的注射头
公开(公告)号：US20080129798A1
公开(公告)日：2008-06-05
申请号：US11756061
申请日：2007-05-31
申请人： Sang-kwon Wee , Se-young Oh , Jae-woo Chung , Mi-jeong Song
发明人： Sang-kwon Wee , Se-young Oh , Jae-woo Chung , Mi-jeong Song
IPC分类号： B41J2/045 , B41J2/175
CPC分类号： B41J2/055 , B41J2/14233 , B41J2002/14306 , B41J2202/11
摘要： A restrictor with a structure to prevent a back flow of ink and an inkjet head including the restrictor. In the inkjet head, an ink channel is formed in a channel plate, and the ink channel includes an ink inlet, a plurality of pressure chambers, a manifold, a plurality of restrictors respectively connecting the pressure chambers to the manifold, and a plurality of nozzles. Piezoelectric actuators are formed on the channel plate. Each of the restrictors includes a plurality of protrusions formed on an inner surface thereof in a structure suitable to increase a flow resistance of the restrictor when ink flows from the pressure chamber to the manifold through the restrictor. Each of the protrusions includes a first surface facing a flow of ink moving through the restrictor in a direction from the manifold to the pressure chamber, and a second surface facing a flow of ink moving through the restrictor in a direction from the pressure chamber to the manifold. The first surface has a low flow resistance, and the second surface has a high flow resistance. Therefore, a black flow of ink is restricted when ink is ejected, and sufficient ink can be supplied through the restrictor during an ink refill process.
摘要翻译：具有防止墨回流的结构的限流器和包括限流器的喷墨头。在喷墨头中，在通道板中形成墨水通道，墨水通道包括墨水入口，多个压力室，歧管，分别将压力室连接到歧管的多个限流器，以及多个喷嘴。压电致动器形成在通道板上。每个限流器包括形成在其内表面上的多个突起，其结构适于当油墨通过限制器从压力室流到歧管时增加限流器的流动阻力。每个突起包括面向墨水流的第一表面，所述第一表面沿着从歧管到压力室的方向移动通过限流器;以及第二表面，所述第二表面面向墨水流动，所述第二表面沿着从所述压力室到所述压力室的方向移动通过所述限制器多数。第一表面具有低流动阻力，第二表面具有高流动阻力。因此，当墨水喷射时，墨水的黑色流动受到限制，并且在填墨过程中可以通过限流器供应足够的墨水。

8. 发明申请

US20080309736A1 PIEZOELECTRIC INKJET HEAD 审中-公开
标题翻译：压电喷头
公开(公告)号：US20080309736A1
公开(公告)日：2008-12-18
申请号：US11923863
申请日：2007-10-25
申请人： Sang-kwon Wee , So-young Oh , Hwa-sun Lee
发明人： Sang-kwon Wee , So-young Oh , Hwa-sun Lee
IPC分类号： B41J2/045
CPC分类号： B41J2/14233 , B41J2002/14306 , B41J2002/14475
摘要： A piezoelectric inkjet head includes a plurality of pressure chambers in which ink to be ejected is filled. A plurality of piezoelectric actuators is respectively disposed in correspondence to the pressure chambers. A plurality of nozzles is in fluid communication with the pressure chambers, and at least two nozzles are formed in each of the pressure chambers.
摘要翻译：压电喷墨头包括多个压力室，其中填充有待喷射的墨。多个压电致动器分别对应于压力室设置。多个喷嘴与压力室流体连通，并且在每个压力室中形成至少两个喷嘴。

9. 发明授权

US08038263B2 Piezoelectric inkjet head 有权
标题翻译：压电喷墨头
公开(公告)号：US08038263B2
公开(公告)日：2011-10-18
申请号：US11927743
申请日：2007-10-30
申请人： Se-young Oh , Sang-kwon Wee , Mi-Jeong Song
发明人： Se-young Oh , Sang-kwon Wee , Mi-Jeong Song
IPC分类号： B41J2/045
CPC分类号： B41J2/14233 , B41J2002/14467 , B41J2002/14475
摘要： A piezoelectric inkjet head includes a plurality of pressure chambers filled with ink that is to be ejected, a manifold to supply ink to the pressure chambers and extending in both sides of each of the pressure chambers parallel to a direction in which the pressure chambers are arranged, a restrictor to connect the manifold to each of the pressure chambers, and to be connected to both ends of each of the pressure chambers in a longitudinal direction, a plurality of piezoelectric actuators respectively corresponding to the pressure chambers, and at least one nozzle respectively connected to each of the pressure chambers, and to be symmetrically arranged with respect to the centerline in a longitudinal direction of each of the pressure chamber. The at least one nozzle includes a first nozzle and at least two second nozzles, the first nozzle is disposed to correspond to the centerline in the longitudinal direction of each of the pressure chambers, and the second nozzles are disposed in both sides of the first nozzle.
摘要翻译：一种压电式喷墨打印头，包括：多个压力室，填充有要喷射的油墨;多个歧管，用于将油墨供应到压力室，并且在每个压力室的两侧平行于压力室排列的方向延伸连接歧管到每个压力室的限制器，并且连接到纵向方向上的每个压力室的两端，分别对应于压力室的多个压电致动器和至少一个喷嘴连接到每个压力室，并且在每个压力室的纵向方向上相对于中心线对称布置。所述至少一个喷嘴包括第一喷嘴和至少两个第二喷嘴，所述第一喷嘴设置成对应于每个压力室的纵向方向上的中心线，并且所述第二喷嘴设置在所述第一喷嘴的两侧。

10. 发明申请

US20090017388A1 SUBSTRATE STRUCTURE FOR COLOR FILTER AND COLOR FILTER HAVING THE SAME 审中-公开
标题翻译：用于彩色滤光片和彩色滤光片的基板结构
公开(公告)号：US20090017388A1
公开(公告)日：2009-01-15
申请号：US11872073
申请日：2007-10-15
申请人： Sang-kwon Wee , Sang-joon Lee
发明人： Sang-kwon Wee , Sang-joon Lee
IPC分类号： G03F1/00
CPC分类号： G02B5/223 , G02B5/201
摘要： Provided is a substrate structure for a color filter and a color filter having the same. The substrate structure for color filter includes: a transparent substrate on which a plurality of pixels are defined by a black matrix; and an ink-philic pattern which is formed in a predetermined pattern on a surface of the substrate.
摘要翻译：提供了一种用于滤色器的基板结构和具有该滤色器的滤色器。用于滤色器的基板结构包括：其上由黑矩阵限定多个像素的透明基板; 以及在基板的表面上以预定图案形成的亲墨图案。

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