公开(公告)号：US08919924B2

公开(公告)日：2014-12-30

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 ,  B41J2/14 ,  B41J2/16

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：US08806727B2

公开(公告)日：2014-08-19

申请号：US12712442

申请日：2010-02-25

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

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

IPC: H04R17/00

CPC classification number: B41J2/14233 ,  B41J2002/14491 ,  Y10T29/42 ,  Y10T29/49002 ,  Y10T29/49005 ,  Y10T29/4908

Abstract: A method of forming a piezoelectric actuator on a vibration plate to provide a driving force to each of a plurality of pressure chambers includes forming a lower electrode on the vibration plate, forming a piezoelectric layer on the lower electrode at a position corresponding to each of the pressure chambers, forming a supporting pad on the lower electrode, the supporting pad contacting one end of the piezoelectric layer and extending away from the one end of the piezoelectric layer, forming an upper electrode extending from a top surface of the piezoelectric layer to a top surface of the supporting pad, and bonding the upper electrode to a driving circuit above the supporting pad to receive a voltage from the driving circuit.

Abstract translation: 在振动板上形成压电致动器以向多个压力室中的每一个提供驱动力的方法包括在振动板上形成下电极，在下电极上形成压电层，位于对应于 在所述下电极上形成支撑垫，所述支撑垫接触所述压电层的一端并且远离所述压电层的一端延伸，形成从所述压电层的顶表面延伸到顶部的上电极 并且将上电极连接到支撑焊盘上方的驱动电路，以接收来自驱动电路的电压。

公开(公告)号：US07735976B2

公开(公告)日：2010-06-15

申请号：US11756042

申请日：2007-05-31

Applicant: Tae-woon Cha ,  Tae-kyung Lee ,  Jae-woo Chung

Inventor： Tae-woon Cha ,  Tae-kyung Lee ,  Jae-woo Chung

IPC: B41J2/045

CPC classification number: B41J2/1606 ,  B41J2/14233 ,  B41J2/1433

Abstract: An inkjet printhead that uses a non-aqueous ink. The inkjet printhead includes a flow channel plate having an ink channel, and a nozzle plate which is combined with the flow channel plate and has a plurality of nozzles through which the non-aqueous ink is ejected, wherein a non-wetting coating film is formed on inner walls of the ink channel and the nozzles.

Abstract translation: 使用非水性墨水的喷墨打印头。 喷墨打印头包括具有油墨通道的流动通道板和与流动通道板组合的喷嘴板，并且具有喷射非水性墨水的多个喷嘴，其中形成非润湿涂膜 在墨水通道的内壁和喷嘴上。

公开(公告)号：US20100132176A1

公开(公告)日：2010-06-03

申请号：US12696325

申请日：2010-01-29

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

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

IPC: H01L41/22

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。

公开(公告)号：US20100126364A1

公开(公告)日：2010-05-27

申请号：US12696320

申请日：2010-01-29

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

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

IPC: B41M1/12

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.

公开(公告)号：US07699442B2

公开(公告)日：2010-04-20

申请号：US11491929

申请日：2006-07-25

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：US07682001B2

公开(公告)日：2010-03-23

申请号：US11581333

申请日：2006-10-17

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

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

IPC: B41J2/045

CPC classification number: B41J2/14233 ,  B41J2002/14491 ,  Y10T29/42 ,  Y10T29/49002 ,  Y10T29/49005 ,  Y10T29/4908

Abstract: A piezoelectric actuator of an inkjet head and a method of forming the piezoelectric actuator. The piezoelectric actuator is formed on a vibration plate to provide a driving force to each of a plurality of pressure chambers. The piezoelectric actuator includes a lower electrode formed on the vibration plate, a piezoelectric layer formed on the lower electrode at a position corresponding to each of the pressure chambers, a supporting pad formed on the lower electrode, the supporting pad contacting one end of the piezoelectric layer and extending away from the one end of the piezoelectric layer, and an upper electrode extending from a top surface of the piezoelectric layer to a top surface of the supporting pad. The upper electrode is bonded to a driving circuit above the supporting pad to receive a voltage from the driving circuit. The piezoelectric layer may have substantially the same length as the pressure chamber. The supporting pad may be formed of a photosensitive polymer and may have substantially the same height as the piezoelectric layer. The upper electrode may include a first portion formed on the piezoelectric layer and a second portion formed on the supporting pad, and the second portion may be wider than the first portion.

Abstract translation: 喷墨头的压电致动器和形成压电致动器的方法。 压电致动器形成在振动板上以向多个压力室中的每一个提供驱动力。 压电致动器包括形成在振动板上的下电极，形成在下电极上的与每个压力室对应的位置处的压电层，形成在下电极上的支撑焊盘，支撑焊盘接触压电体的一端 并且离开压电层的一端延伸，以及从压电层的顶表面延伸到支撑衬垫的顶表面的上电极。 上电极接合到支撑焊盘上方的驱动电路，以接收来自驱动电路的电压。 压电层可以具有与压力室大致相同的长度。 支撑垫可以由光敏聚合物形成，并且可以具有与压电层基本相同的高度。 上部电极可以包括形成在压电层上的第一部分和形成在支撑垫上的第二部分，并且第二部分可以比第一部分更宽。

公开(公告)号：US20070176980A1

公开(公告)日：2007-08-02

申请号：US11491929

申请日：2006-07-25

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：US08777378B2

公开(公告)日：2014-07-15

申请号：US13407331

申请日：2012-02-28

Applicant: Tae Kyung Lee ,  Pil Joong Kang ,  Hwa Sun Lee

Inventor： Tae Kyung Lee ,  Pil Joong Kang ,  Hwa Sun Lee

IPC: B41J2/045

CPC classification number: B41J2/14233 ,  B41J2002/14491 ,  B41J2202/18

Abstract: There are provided a piezoelectric actuator, an inkjet head assembly, and a method of manufacturing the same. The piezoelectric actuator includes: upper and lower electrodes providing driving voltage; and a piezoelectric substance formed between the upper and lower electrodes through solidifying a liquid piezoelectric substance, and providing driving force to ink in each of a plurality of pressure chambers provided in an inkjet head, wherein the piezoelectric substance includes a plurality of branch portions individually provided on an upper portion of each of the plurality of pressure chambers and a large area portion integrally provided while being connected to each of the plurality of branch portions at one ends of the plurality of branch portions.

Abstract translation: 提供了压电致动器，喷墨头组件及其制造方法。 压电致动器包括：提供驱动电压的上下电极; 以及通过使液体压电体固化而形成在上下电极之间的压电体，并且在设置在喷墨头中的多个压力室中的每个压力室中的墨水中提供驱动力，其中，压电体包括多个分支部， 在所述多个压力室的每一个的上部，以及在所述多个分支部的一端连接到所述多个分支部中的每一个的同时一体地设置的大面积部分。

公开(公告)号：US20130342610A1

公开(公告)日：2013-12-26

申请号：US13609580

申请日：2012-09-11

Applicant: Tae Kyung LEE ,  Pil Joong Kang ,  Jae Chang Lee ,  Hwa Sun Lee

Inventor： Tae Kyung LEE ,  Pil Joong Kang ,  Jae Chang Lee ,  Hwa Sun Lee

IPC: B41J2/045 ,  H01L41/22 ,  H01L41/047

CPC classification number: B41J2/14233 ,  B41J2/161 ,  B41J2/1623 ,  B41J2/1628 ,  B41J2002/14241 ,  B41J2002/14403 ,  B41J2002/14491 ,  H01L41/0475 ,  H01L41/0973 ,  H01L41/317 ,  Y10T29/42

Abstract: There are provided a piezoelectric actuator, an inkjet head assembly, and a method of manufacturing the same. The piezoelectric actuator includes upper and lower electrodes providing a driving voltage; and a piezoelectric body provided between the upper and lower electrodes and providing driving force to ink within each of a plurality of pressure chambers provided in an inkjet head, wherein the piezoelectric body includes branch portions separately provided on an upper portion of each of the plurality of pressure chambers and a large area portion connected to one end of each of the plurality of branch portions and integrally formed, and a connective electrode pattern is provided on a portion of each of the upper electrodes corresponding to the large area portion.

Abstract translation: 提供了压电致动器，喷墨头组件及其制造方法。 压电致动器包括提供驱动电压的上电极和下电极; 以及压电体，设置在所述上​​下电极之间，并且在设置在喷墨头中的多个压力室中的每一个内提供驱动力，其中所述压电体包括分开设置在所述多个 压力室和大面积部分连接到所述多个分支部分中的每一个的一端并整体形成，并且连接电极图案设置在每个所述上部电极对应于所述大面积部分的部分上。