公开(公告)号：US07824621B2

公开(公告)日：2010-11-02

申请号：US11970301

申请日：2008-01-07

Applicant: Beom-seok Lee ,  Jeong-gun Lee ,  Hye-jung Cho ,  In-seok Kang ,  Jae-suk Moon ,  Jin-seok Hong

Inventor： Beom-seok Lee ,  Jeong-gun Lee ,  Hye-jung Cho ,  In-seok Kang ,  Jae-suk Moon ,  Jin-seok Hong

IPC: B01L3/02 ,  B01L99/00

CPC classification number: B01L3/0262 ,  B01J19/0046 ,  B01J2219/00369 ,  B01J2219/00371 ,  B01J2219/00527 ,  B01J2219/00605 ,  B01J2219/00689 ,  B01J2219/0072 ,  B01J2219/00722 ,  B01J2219/00725 ,  B01J2219/0074 ,  B01J2219/00743 ,  B01L2300/0819 ,  B01L2300/0838 ,  B01L2400/027 ,  Y10T436/11 ,  Y10T436/118339 ,  Y10T436/119163 ,  Y10T436/25 ,  Y10T436/2575

Abstract: Disclosed is an apparatus and method for ejecting droplets using charge concentration and liquid bridge breakup. The droplet ejection apparatus includes a reservoir storing a liquid; a capillary nozzle having a lower end submerged in the liquid stored in the reservoir and an upper end exposed outside the surface of the liquid, the capillary nozzle transferring the liquid to the upper end using capillary force; a potentiostat for applying a voltage to the liquid; a substrate mount on which a substrate is disposed to face the upper end of the capillary nozzle; and a distance adjusting unit for reciprocatingly moving the substrate between first and second positions with respect to the capillary nozzle, wherein the first position denotes a position where a distance between the upper end of the capillary nozzle and the surface of the substrate is less than a effective distance.

Abstract translation: 公开了一种使用电荷浓度和液桥分解喷射液滴的装置和方法。 液滴喷射装置包括储存液体的储存器; 毛细喷嘴，其下端浸没在存储在储存器中的液体中，上端暴露在液体表面之外，毛细喷嘴使用毛细管力将液体传送到上端; 用于向液体施加电压的恒电位仪; 基板安装件，基板设置在其上面对毛细管喷嘴的上端; 以及距离调节单元，用于使所述基板相对于所述毛细管喷嘴在第一位置和所述第二位置之间往复移动，其中所述第一位置表示所述毛细管喷嘴的上端与所述基板的表面之间的距离小于 有效距离。

公开(公告)号：US07794054B2

公开(公告)日：2010-09-14

申请号：US11746299

申请日：2007-05-09

Applicant: Beom-seok Lee ,  Jeong-gun Lee ,  In-seok Kang ,  Jin-seok Hong ,  Dustin Moon

Inventor： Beom-seok Lee ,  Jeong-gun Lee ,  In-seok Kang ,  Jin-seok Hong ,  Dustin Moon

IPC: B41J2/06

CPC classification number: B41J2/06

Abstract: A droplet printing apparatus using capillary electric charge concentration includes a reservoir which contains a solution, a capillary nozzle comprising a back-end part and a front-end part disposed substantially opposite the back-end part, a target member spaced apart from the front-end part of the capillary nozzle at a predetermined distance, and a voltage supplier which supplies a voltage to the solution, wherein the back-end part is immersed in the solution and transmits the solution to the front-end part.

Abstract translation: 使用毛细管电荷浓度的液滴印刷装置包括：包含溶液的储存器，包括后端部分的毛细管喷嘴和基本上与后端部分相对设置的前端部分，与前端部分间隔开的目标部件， 在预定距离的毛细管喷嘴的端部，以及向溶液提供电压的电压供给器，其中后端部分浸入溶液中并将溶液传输到前端部分。

公开(公告)号：US20100081213A1

公开(公告)日：2010-04-01

申请号：US12569437

申请日：2009-09-29

Applicant: Beom Seok LEE ,  Ji Won KIM ,  Jeong Gun LEE ,  Kui Hyun KIM

Inventor： Beom Seok LEE ,  Ji Won KIM ,  Jeong Gun LEE ,  Kui Hyun KIM

IPC: G01N33/564 ,  G01N1/28 ,  B01J8/00 ,  C25B9/00 ,  G01N21/00 ,  G01N21/75 ,  G01N21/72

CPC classification number: B01L3/50273 ,  B01L3/502738 ,  B01L3/545 ,  B01L2200/0621 ,  B01L2200/0689 ,  B01L2200/10 ,  B01L2300/021 ,  B01L2300/0806 ,  B01L2300/0816 ,  B01L2300/0861 ,  B01L2300/161 ,  B01L2300/1827 ,  B01L2400/0406 ,  B01L2400/0409 ,  B01L2400/0677 ,  G01N21/07 ,  G01N33/54386 ,  G01N35/00069

Abstract: Provided is a microfluidic apparatus including: a microfluidic structure for providing spaces for receiving a fluid and for forming channels, through which the fluid flows; and valves for controlling the flow of fluid through the channels in the microfluidic apparatus. The microfluidic structure includes: a sample chamber; a sample separation unit receiving the sample from the sample chamber and separating a supernatant from the sample by using a centrifugal force; a testing unit receiving the supernatant from the sample separation unit for detecting a specimen from the supernatant using an antigen-antibody reaction, and a quality control chamber for identifying reliability of the test.

Abstract translation: 提供了一种微流体装置，包括：微流体结构，用于提供用于接收流体的空间和用于形成流体流过的通道; 以及用于控制通过微流体装置中的通道的流体流动的阀。 微流体结构包括：样品室; 样品分离单元，从样品室接收样品，并通过离心力从样品中分离上清液; 接收来自样品分离单元的上清液的测试单元，用于使用抗原 - 抗体反应从上清液检测样品;以及质量控制室，用于识别测试的可靠性。

公开(公告)号：US20080305006A1

公开(公告)日：2008-12-11

申请号：US12053656

申请日：2008-03-24

Applicant: Yoon-kyoung Cho ,  Beom-seok Lee ,  Jeong-gun Lee

Inventor： Yoon-kyoung Cho ,  Beom-seok Lee ,  Jeong-gun Lee

IPC: B01J19/00

CPC classification number: B01L3/502738 ,  B01L3/50273 ,  B01L2200/028 ,  B01L2300/0803 ,  B01L2400/0409 ,  B01L2400/0677 ,  B01L2400/0683 ,  Y10T436/11 ,  Y10T436/25 ,  Y10T436/255 ,  Y10T436/2575

Abstract: A microfluidic apparatus having a substrate including a channel through which a fluid is conveyed, a fluid container in which at least one kind of fluid is accommodated and which is disposed on the substrate so as to allow the fluid to flow toward the channel, and a fluid flow controller which controls a flow of the fluid toward the channel from the fluid container.

Abstract translation: 一种微流体装置，其具有包括流体被输送的通道的基板，容纳有至少一种流体的流体容器，并且设置在所述基板上以允许流体朝向所述流路流动， 流体流量控制器，其控制流体朝向来自流体容器的通道的流动。

公开(公告)号：US20080269077A1

公开(公告)日：2008-10-30

申请号：US12108823

申请日：2008-04-24

Applicant: Beom-seok LEE ,  Yoon-kyoung CHO ,  Jong-myeon PARK ,  Jung-nam LEE

Inventor： Beom-seok LEE ,  Yoon-kyoung CHO ,  Jong-myeon PARK ,  Jung-nam LEE

IPC: C40B60/00

CPC classification number: B01L3/502738 ,  B01L3/50273 ,  B01L2200/0684 ,  B01L2300/0806 ,  B01L2300/0861 ,  B01L2400/0409 ,  B01L2400/06 ,  B01L2400/0677 ,  G01N21/07 ,  Y10T436/111666 ,  Y10T436/25375 ,  Y10T436/2575

Abstract: Provided are a centrifugal microfluidic device having a sample distribution structure and a centrifugal microfluidic system including the centrifugal microfluidic device. The centrifugal microfluidic device includes: a rotatable platform; a sample chamber which is disposed in the rotatable platform and houses a fluid sample; a distribution channel connected to an outlet of the sample chamber; a valve which is disposed in the outlet of the sample chamber; a plurality of non-vented reaction chambers which are disposed in the rotatable platform outside of the distribution channel in the radial direction; and a plurality of inlet channels connecting the distribution channel with the reaction chambers.

Abstract translation: 提供了具有样品分布结构和包括离心微流体装置的离心微流体系统的离心微流体装置。 离心微流体装置包括：可旋转平台; 样品室，其设置在所述可旋转平台中并容纳流体样品; 连接到样品室的出口的分配通道; 设置在样品室的出口的阀; 多个非排气反应室，其在径向上设置在分配通道外部的可旋转平台内; 以及将分配通道与反应室连接的多个入口通道。

公开(公告)号：US20080237151A1

公开(公告)日：2008-10-02

申请号：US12056345

申请日：2008-03-27

Applicant: Yoon-kyoung Cho ,  Beom-seok Lee

Inventor： Yoon-kyoung Cho ,  Beom-seok Lee

IPC: B04B5/00

CPC classification number: B01L3/502738 ,  B01L3/502753 ,  B01L2200/0684 ,  B01L2300/0803 ,  B01L2300/0806 ,  B01L2400/0409 ,  B01L2400/0677 ,  G01N21/07 ,  Y10T436/111666 ,  Y10T436/2575

Abstract: A centrifugal force-based microfluidic device in which a sample including particles and a fluid is centrifugally separated such that the separated fluid is quantitatively distributed, and a microfluidic system including the centrifugal force-based microfluidic device are provided. The centrifugal force-based microfluidic device includes a microfluidic structure in which, within a rotatable disc-shaped platform, a sample, including particles and a fluid, is quickly centrifugally separated into the particles and the fluid using the rotation of the disc-shaped platform and the fluid having a certain volume of the separated fluid is discharged by rotation of the disc-shaped platform.

Abstract translation: 离心力微流体装置，其中包括颗粒和流体的样品被离心分离，使得分离的流体定量分布，并且提供包括基于离心力的微流体装置的微流体系统。 基于离心力的微流体装置包括微流体结构，其中在可旋转的盘形平台内，包括颗粒和流体的样品通过盘形平台的旋转快速离心分离成颗粒和流体 并且具有一定体积的分离流体的流体通过盘形平台的旋转而被排出。

公开(公告)号：US20080058991A1

公开(公告)日：2008-03-06

申请号：US11835461

申请日：2007-08-08

Applicant: Jeong-gun LEE ,  Yoon-kyoung Cho ,  Beom-seok Lee ,  Jong-myeon Park

Inventor： Jeong-gun LEE ,  Yoon-kyoung Cho ,  Beom-seok Lee ,  Jong-myeon Park

IPC: G05B15/00 ,  B01J19/00 ,  G01N21/01

CPC classification number: B01L3/502715 ,  B01L3/5027 ,  B01L3/50273 ,  B01L3/502738 ,  B01L2200/14 ,  B01L2300/0806 ,  B01L2300/1861 ,  B01L2400/0409 ,  B01L2400/0677 ,  F16K99/0001 ,  F16K99/0032 ,  F16K2099/0084 ,  F16K2099/0086 ,  G01N35/00069 ,  Y10T436/11 ,  Y10T436/25375 ,  Y10T436/2575

Abstract: Provided are an apparatus and a method of controlling a microfluidic system, and the microfluidic system. The apparatus of controlling the microfluidic system includes a central control block controlling an operation of the microfluidic system, a rotator control block controlling a rotator, a position control block controlling the position of a moving unit, the moving unit moving to a position of the microfluidic structure, and a radiation energy source control block controlling energy of a radiation energy source, the radiation energy source using an electromagnetic wave to scan over a position of the microfluidic structure. Such a configuration allows effective control of a miniaturized portable microfluidic system.

Abstract translation: 提供了一种控制微流体系统和微流体系统的装置和方法。 控制微流体系统的装置包括控制微流体系统的操作的中央控制块，控制旋转器的旋转体控制块，控制移动单元的位置的位置控制块，移动到微流体位置的移动单元 结构以及辐射能量源控制块，其控制辐射能源的能量，所述辐射能源使用电磁波扫描微流体结构的位置。 这种配置允许有效地控制微型便携式微流体系统。

公开(公告)号：US20080029158A1

公开(公告)日：2008-02-07

申请号：US11766806

申请日：2007-06-22

Applicant: Jong-myeon Park ,  Yoon-kyoung Cho ,  Jeong-gun Lee ,  Beom-seok Lee ,  Sung-woo Hong

Inventor： Jong-myeon Park ,  Yoon-kyoung Cho ,  Jeong-gun Lee ,  Beom-seok Lee ,  Sung-woo Hong

IPC: F16K17/40 ,  F16K17/34

CPC classification number: F16K99/0019 ,  B01L3/502738 ,  B01L2300/0803 ,  B01L2300/1861 ,  B01L2400/0409 ,  B01L2400/0677 ,  F16K99/0001 ,  F16K99/0032 ,  F16K99/0034 ,  F16K99/004 ,  F16K2099/0084 ,  Y10T137/1827 ,  Y10T137/2196 ,  Y10T137/6606 ,  Y10T137/7755

Abstract: Provided are a valve unit and a reaction apparatus having the valve unit. The valve unit includes a phase transition material, which melts and expands upon an application of the electromagnetic waves to the valve filler, and the valve filler is directed into the channel through the connection passage and closes the channel. The valve unit also includes heat generation particles, which are dispersed in the phase transition material and generate heat upon an application of electromagnetic wave energy.

Abstract translation: 提供具有阀单元的阀单元和反应装置。 阀单元包括相变材料，其在将电磁波施加到阀填充器时熔化和膨胀，并且阀填料通过连接通道引导到通道中并关闭通道。 阀单元还包括发散颗粒，其分散在相变材料中并且在施加电磁波能量时产生热量。

公开(公告)号：US20080017736A1

公开(公告)日：2008-01-24

申请号：US11781714

申请日：2007-07-23

Applicant: Beom-seok LEE ,  Jeong-gun LEE ,  Hye-jung CHO

Inventor： Beom-seok LEE ,  Jeong-gun LEE ,  Hye-jung CHO

IPC: B05B5/00

CPC classification number: B05B5/0255 ,  B01J2219/00367 ,  B01J2219/00369 ,  B01J2219/00371 ,  B01L3/0268 ,  B01L2300/0838 ,  B01L2300/161 ,  B01L2400/027 ,  B01L2400/0406 ,  B01L2400/0487 ,  B05B1/14 ,  B05B5/0533 ,  B41J2/06

Abstract: Provided is a droplet dispensing device having a nonconductive capillary nozzle. The droplet dispensing device comprises: a nonconductive capillary nozzle disposed in a downward position; a pump connected with the nonconductive capillary nozzle through a hermetically sealed fluid tube and generating a negative pressure to decrease the influence of gravity on a solution within the nonconductive capillary nozzle and the fluid tube; and an open circuit voltage supplier applying a voltage to the solution. The droplet dispensing device supplies the solution by capillary force to regularly maintain the shape of a droplet surface in the tip of the nonconductive capillary nozzle without using a separate driving device.

Abstract translation: 提供了具有非导电毛细管喷嘴的液滴分配装置。 液滴分配装置包括：设置在向下位置的非导电毛细管喷嘴; 泵，其通过气密密封的流体管与非导电毛细管喷嘴连接并产生负压，以减少重力对非导电毛细管喷嘴和流体管内的溶液的影响; 以及向该溶液施加电压的开路电压供给器。 液滴分配装置通过毛细管力提供溶液以在不使用单独的驱动装置的情况下规定地保持非导电毛细管喷嘴的尖端中的液滴表面的形状。

公开(公告)号：US20060262102A1

公开(公告)日：2006-11-23

申请号：US11429965

申请日：2006-05-09

Applicant: Beom-seok Lee

Inventor： Beom-seok Lee

IPC: G09G5/00

CPC classification number: G06F9/451

Abstract: An apparatus and method for displaying an input window on a screen are provided that allow an input field, the subject and additional information of the input field not to be overlaid or hidden by the input window that receives handwriting by a user. The apparatus comprises a cursor position determining unit to determine the position of a cursor; an input field searching unit to search for information on an input field when the cursor is present within the input field; an input window positioning unit to determine the position of the input window in such a manner that the input field or a static text field close to the input field is not overlaid or hidden, referring to information on the searched input field, the margin of the screen and the size of the input window; and a display unit to provide a visual display of the input window at the determined position.

Abstract translation: 提供了一种用于在屏幕上显示输入窗口的装置和方法，其允许输入字段，对象和输入字段的附加信息不被用户接收手写的输入窗口覆盖或隐藏。 该装置包括：光标位置确定单元，用于确定光标的位置; 输入字段搜索单元，用于在输入字段中存在光标时，搜索关于输入字段的信息; 一个输入窗口定位单元，用于以这样一种方式确定输入窗口的位置，使输入字段或接近输入区域的静态文本字段不被覆盖或隐藏，参考关于所搜索的输入字段的信息， 屏幕和输入窗口的大小; 以及显示单元，用于在所确定的位置提供输入窗口的视觉显示。