公开(公告)号：US20070171262A1

公开(公告)日：2007-07-26

申请号：US11475141

申请日：2006-06-27

Applicant: Hwa-sun Lee ,  Kyu-yeol Lee ,  Tao-kyung Lee ,  Chang-youl Moon ,  Jae-woo Chung

Inventor： Hwa-sun Lee ,  Kyu-yeol Lee ,  Tao-kyung Lee ,  Chang-youl Moon ,  Jae-woo Chung

IPC: B41J2/045

CPC classification number: B41J2/14233

Abstract: An inkjet printhead and a method of driving the inkjet printhead include a flow channel substrate having a pressure chamber, and a piezoelectric actuator formed on the flow channel substrate to apply a driving force to the pressure chamber to eject ink. The piezoelectric actuator includes a piezoelectric layer formed on the flow channel substrate to correspond to the pressure chamber, and a plurality of common electrodes and a plurality of driving electrodes alternately arranged in a length direction of the piezoelectric layer.

Abstract translation: 喷墨打印头和驱动喷墨打印头的方法包括：具有压力室的流路基板和形成在流路基板上的压电致动器，用于向压力室施加驱动力以喷射油墨。 压电致动器包括形成在流路基板上以对应于压力室的压电层，以及沿压电层的长度方向交替布置的多个公共电极和多个驱动电极。

公开(公告)号：US20050029822A1

公开(公告)日：2005-02-10

申请号：US10873629

申请日：2004-06-22

Applicant: Hwa-sun Lee

Inventor： Hwa-sun Lee

IPC: B60R19/03 ,  B60R19/04 ,  B60R19/18 ,  B60R19/34 ,  B60R19/24

CPC classification number: B60R19/18 ,  B60R19/34 ,  B60R2019/1806

Abstract: A bumper reinforcing structure for an automobile, which is made of two or more different materials. The bumper reinforcing structure includes an impact beam, a mounting part connected to either end of the impact beam, and a connecting portion for connecting the impact beam and the mounting part to each other at either end of the impact beam, wherein the impact beam and the mounting part are formed from two or more different materials. Among the components of the bumper reinforcing structure, a portion, which requires stiffness, is made of a material having a high strength, while a portion, which is readily deformable, is made of a material having a high impact absorbency, so that the bumper reinforcing structure can effectively absorb impact energy upon collision, thereby maximizing the energy absorbing efficiency.

Abstract translation: 一种用于汽车的保险杠加强结构，其由两种或更多种不同的材料制成。 保险杠加强结构包括冲击梁，连接到冲击梁的任一端的安装部分和用于在冲击梁的任一端处将冲击梁和安装部分彼此连接的连接部分，其中冲击梁和 安装部分由两种或更多种不同的材料形成。 在保险杠加强结构的部件中，需要刚度的部分由具有高强度的材料制成，而容易变形的部分由具有高冲击吸收性的材料制成，使得保险杠 加强结构能够有效地吸收碰撞时的冲击能量，从而最大限度地提高吸收能量。

公开(公告)号：US08485639B2

公开(公告)日：2013-07-16

申请号：US12929638

申请日：2011-02-04

Applicant: Jae Chang Lee ,  Hwa Sun Lee ,  Tae Kyung Lee

Inventor： Jae Chang Lee ,  Hwa Sun Lee ,  Tae Kyung Lee

IPC: B41J2/135

CPC classification number: B41J2/161 ,  B41J2/1623 ,  B41J2/1628 ,  B41J2/1629 ,  B41J2/1631 ,  B41J2/1632 ,  B41J2002/14411 ,  Y10T29/49401

Abstract: An inkjet print head and a method for manufacturing the same are provided. The inkjet print head includes: an upper board having a pressure chamber; and a lower board including an upper silicon layer, an insulating layer, and a lower silicon layer, wherein the lower board includes a projection formed of the upper silicon layer and protruded into the interior of the pressure chamber in order to reduce the space of the pressure chamber, and a lower surface of the upper board and an upper surface of the lower silicon layer are fixed.

Abstract translation: 提供一种喷墨打印头及其制造方法。 喷墨打印头包括：具有压力室的上板; 以及包括上硅层，绝缘层和下硅层的下板，其中所述下板包括由所述上硅层形成并突出到所述压力室的内部的突起，以便减小所述上硅层的空间 压力室，上板的下表面和下硅层的上表面固定。

公开(公告)号：US20130135396A1

公开(公告)日：2013-05-30

申请号：US13584009

申请日：2012-08-13

Applicant: Jae Chang Lee ,  Tae Kyung Lee ,  Hwa Sun Lee

Inventor： Jae Chang Lee ,  Tae Kyung Lee ,  Hwa Sun Lee

IPC: B41J2/04

CPC classification number: B41J2/14233 ,  B41J2002/14411 ,  B41J2202/11

Abstract: There is provided an inkjet print head, including: a first substrate in which a first restrictor and a pressure chamber are formed; and a second substrate in which a manifold, a second restrictor, and a nozzle are formed, wherein the first restrictor is connected to the manifold and the second restrictor, and the second restrictor is connected to the first restrictor and the pressure chamber.

Abstract translation: 提供一种喷墨打印头，包括：形成有第一限流器和压力室的第一基板; 以及第二基板，其中形成有歧管，第二限制器和喷嘴，其中所述第一限流器连接到所述歧管和所述第二限制器，并且所述第二限制器连接到所述第一限制器和所述压力室。

公开(公告)号：US20110279551A1

公开(公告)日：2011-11-17

申请号：US12926868

申请日：2010-12-14

Applicant: Tae Kyung Lee ,  Jae Chang Lee ,  Hwa Sun Lee ,  Yoon Sok Park ,  Sung Wook Kim

Inventor： Tae Kyung Lee ,  Jae Chang Lee ,  Hwa Sun Lee ,  Yoon Sok Park ,  Sung Wook Kim

IPC: B41J2/045

CPC classification number: B41J2/14233 ,  B41J2002/14419 ,  B41J2202/11

Abstract: There is provided an inkjet print head that includes: an inkjet head plate with a plurality of head cells including ink passages where introduced ink is ejected through a nozzle by passing through a pressure chamber; and a piezoelectric actuator formed on the top of the inkjet head plate and formed at a position corresponding to the pressure chamber, wherein the area of at least one of the pressure chamber and the piezoelectric actuator is changed to make ejection characteristics of the ink ejected from the plurality of head cells uniform.

Abstract translation: 提供了一种喷墨打印头，其包括：喷墨头板，其具有包括墨通道的多个头单元，其中引入的墨通过喷嘴通过压力室喷射; 以及压电致动器，其形成在喷墨头板的顶部并且形成在与压力室对应的位置处，其中压力室和压电致动器中的至少一个的面积被改变，以使得从第 多个头细胞均匀。

公开(公告)号：US20110273514A1

公开(公告)日：2011-11-10

申请号：US12929612

申请日：2011-02-03

Applicant: Tae Kyung Lee ,  Jae Chang Lee ,  Hwa Sun Lee

Inventor： Tae Kyung Lee ,  Jae Chang Lee ,  Hwa Sun Lee

IPC: B41J2/135 ,  B23P17/00

CPC classification number: B41J2/14 ,  B41J2/16 ,  B41J2/1632 ,  Y10T29/49401

Abstract: Disclosed are an inkjet print head and a method of manufacturing the same. An inkjet print head according to an aspect of the invention may include: an inkjet board having an ink passage therein; a cutting portion provided outside the ink passage of the inkjet board and having a cutting surface created by separation into head chip units of the inkjet board; and an auxiliary cutting portion provided from one surface of the cutting portion inwardly in a thickness direction of the inkjet board, and assisting the separation into head chip units of the inkjet board.

Abstract translation: 公开了一种喷墨打印头及其制造方法。 根据本发明的一个方面的喷墨打印头可以包括：其中具有墨通道的喷墨板; 设置在喷墨基板的墨水通道外侧的切割部分，具有通过分离成喷墨印版的头芯片单元而形成的切割面; 以及辅助切割部分，其从所述切割部分的一个表面沿着所述喷墨板的厚度方向向内设置，并辅助分离成所述喷墨印版的头芯片单元。

公开(公告)号：US20110266202A1

公开(公告)日：2011-11-03

申请号：US13054413

申请日：2009-04-27

Applicant: Dae Hwan Rhu ,  Yeong Ki Yeo ,  Se Wook Seo ,  Yong June Yune ,  Bong Choel Choi ,  Byung Suk Lee ,  Hwa Sun Lee

Inventor： Dae Hwan Rhu ,  Yeong Ki Yeo ,  Se Wook Seo ,  Yong June Yune ,  Bong Choel Choi ,  Byung Suk Lee ,  Hwa Sun Lee

IPC: C02F1/52 ,  B01D29/50

CPC classification number: C02F3/06 ,  C02F1/52 ,  C02F3/087 ,  C02F3/1215 ,  C02F3/301 ,  C02F3/302 ,  C02F2101/105 ,  C02F2101/16 ,  C02F2101/30 ,  C02F2203/00 ,  C02F2305/06 ,  Y02W10/15 ,  Y10S210/903

Abstract: A wastewater treatment apparatus of the present invention is configured to biologically filter wastewater through multimedia by consecutively performing two stages (the first and second stages) for a multimedia biological filtration process. A carbon source and coagulant are respectively injected during the first and second multimedia biological filtration processes. The first stage multimedia biological filtration process is carried out in anoxic conditions and the second stage multimedia biological filtration process is carried out in aerobic conditions. The media for the first and second stage biological filtration processes are arranged in large-middle-middle large-small size. Thus, the present invention can secure excellent treated water while minimizing loss of water-head by maximizing reflux capability of solids.

Abstract translation: 本发明的污水处理装置被构造成通过连续地进行多级生物过滤处理的两个阶段（第一和第二阶段）来生物过滤废水。 在第一和第二多媒体生物过滤过程中分别注入碳源和凝结剂。 第一阶段多媒体生物过滤过程在缺氧条件下进行，第二阶段多媒体生物过滤过程在有氧条件下进行。 第一和第二阶段生物过滤工艺的介质排列成大中大中小尺寸。 因此，本发明可以确保优异的处理水，同时通过最大化固体的回流能力来最小化水头的损失。

公开(公告)号：US08042919B2

公开(公告)日：2011-10-25

申请号：US12722664

申请日：2010-03-12

Applicant: Seung-mo Lim ,  Tae-kyung Lee ,  Chang-youl Moon ,  Jae-woo Chung ,  Hwa-sun Lee

Inventor： Seung-mo Lim ,  Tae-kyung Lee ,  Chang-youl Moon ,  Jae-woo Chung ,  Hwa-sun Lee

IPC: B41J2/045

CPC classification number: B41J2/14233 ,  B41J2/055

Abstract: A piezoelectric inkjet printhead includes a manifold, a chamber array including a plurality of chambers in connection with the manifold and arranged along at least one side of the manifold, a vibrating plate to cover the plurality of chambers, and a plurality of piezoelectric actuators formed on the vibrating plate to change pressures of corresponding ones of the plurality of chambers by vibrating the vibrating plate. The plurality of chambers includes a plurality of pressure chambers disposed in a center portion of the chamber array and having corresponding ink ejecting nozzles, and at least two dummy chambers, one disposed on each side of the chamber array and having corresponding dummy nozzles that do not eject ink. A plurality of trenches may be formed in the vibrating plate between each of the piezoelectric actuators.

Abstract translation: 压电喷墨打印头包括歧管，腔室阵列，其包括与歧管连接的多个腔室，并且沿着歧管的至少一侧布置，覆盖多个腔室的振动板，以及形成在 所述振动板通过振动所述振动板来改变所述多个室中相应的室的压力。 多个室包括设置在室阵列的中心部分并具有对应的喷墨喷嘴的多个压力室，以及至少两个虚设室，一个设置在室阵列的每一侧上，并且具有不对应的虚拟喷嘴 弹出墨水。 可以在每个压电致动器之间的振动板中形成多个沟槽。

公开(公告)号：US08002391B2

公开(公告)日：2011-08-23

申请号：US12755474

申请日：2010-04-07

Applicant: Hwa-sun Lee ,  Kyo-yeol Lee ,  Tae-kyung Lee ,  Chang-youl Moon ,  Jae-woo Chung

Inventor： Hwa-sun Lee ,  Kyo-yeol Lee ,  Tae-kyung Lee ,  Chang-youl Moon ,  Jae-woo Chung

IPC: B41J2/045

CPC classification number: B41J2/14233

Abstract: An inkjet printhead and a method of driving the inkjet printhead include a flow channel substrate having a pressure chamber, and a piezoelectric actuator formed on the flow channel substrate to apply a driving force to the pressure chamber to eject ink. The piezoelectric actuator includes a piezoelectric layer formed on the flow channel substrate to correspond to the pressure chamber, and a plurality of common electrodes and a plurality of driving electrodes alternately arranged in a length direction of the piezoelectric layer.

Abstract translation: 喷墨打印头和驱动喷墨打印头的方法包括：具有压力室的流路基板和形成在流路基板上的压电致动器，用于向压力室施加驱动力以喷射油墨。 压电致动器包括形成在流路基板上以对应于压力室的压电层，以及沿压电层的长度方向交替布置的多个公共电极和多个驱动电极。

公开(公告)号：US07677707B2

公开(公告)日：2010-03-16

申请号：US11581334

申请日：2006-10-17

Applicant: Kyo-yeol Lee ,  Tae-kyun Lee ,  Jae-woo Chung ,  Hwa-sun Lee ,  Seung-mo Lim

Inventor： Kyo-yeol Lee ,  Tae-kyun Lee ,  Jae-woo Chung ,  Hwa-sun Lee ,  Seung-mo Lim

IPC: B41J2/045

CPC classification number: B41J2/14233 ,  B41J2/161 ,  B41J2/1626 ,  B41J2/1631 ,  B41J2/1646 ,  B41J2002/14491 ,  H05K3/107 ,  H05K3/1216 ,  Y10T29/42

Abstract: A method to form a thick layer by screen printing and a method to form a piezoelectric actuator of an inkjet head. The method to form the thick layer including forming a guide groove in a surface to a predetermined depth, and forming the thick layer by applying a material to the surface inside the guide groove through screen printing. The method to form the piezoelectric actuator including forming an insulating layer on a top surface of a vibration plate and forming a guide groove in the top surface of the vibration plate or an insulating layer to a predetermined depth at a position corresponding to each of a plurality of pressure chambers, forming a lower electrode on the top surface of the insulating layer; forming a piezoelectric layer inside the guide groove by screen printing, and forming an upper electrode on a top surface of the piezoelectric layer.

Abstract translation: 通过丝网印刷形成厚层的方法以及形成喷墨头的压电致动器的方法。 形成厚层的方法包括在表面上形成预定深度的引导槽，并且通过丝网印刷将引导槽内的表面施加材料形成厚层。 形成压电致动器的方法包括在振动板的顶表面上形成绝缘层，并且在与振动板的顶表面对应的位置处在振动板的顶表面或绝缘层中形成预定深度的引导槽 的压力室，在绝缘层的顶表面上形成下电极; 通过丝网印刷在引导槽内形成压电层，并在压电层的顶表面上形成上电极。