Patents by Inventor Liang-Ju Chien

Liang-Ju Chien has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9732743
    Abstract: A pneumatic micropump is provided. The pneumatic micropump includes a fluidic channel layer, an upper substrate, a lower substrate, an upper membrane and a lower membrane. The fluidic channel includes a fluid inlet a reservoir, and a fluid outlet, wherein the fluid passes through the fluid inlet, the reservoir and the fluid outlet, successively. The upper substrate includes an upper pneumatic chamber facing the reservoir. The lower substrate includes a lower pneumatic chamber facing the reservoir. The upper membrane is disposed between the upper pneumatic chamber and the reservoir, and the lower membrane is disposed between the lower pneumatic chamber and the reservoir.
    Type: Grant
    Filed: May 3, 2012
    Date of Patent: August 15, 2017
    Assignee: Industrial Technology Research Institute
    Inventors: Liang-Ju Chien, Chi-Han Chiou
  • Patent number: 9630187
    Abstract: A concentration method of dielectrophoretic particles includes: providing a fluid pipe structure, wherein the fluid pipe structure has a protrudent structure lateral protruding inwardly so as to form a line-like gate; making a fluid containing particles to be measured flow through the fluid pipe structure; and applying an electrical field through the line-like gate so as to produce a dielectrophoresis force to concentrate the particles to be measured.
    Type: Grant
    Filed: June 12, 2014
    Date of Patent: April 25, 2017
    Assignee: Industrial Technology Research Institute
    Inventors: Liang-Ju Chien, Chi-Han Chiou
  • Patent number: 9381513
    Abstract: A detection chip is provided. The detection chip includes a substrate, an active reagent, a hydrophilic droplet and a lipophilic substance. The substrate includes a first containing slot, wherein the first containing slot includes a first space and a second space adjacent to each other. The active reagent is disposed in the first space of the first containing slot. The hydrophilic droplet is disposed in the second space of the first containing slot. The lipophilic substance is disposed in the first containing slot, wherein the lipophilic substance is immiscible to the active reagent and the hydrophilic droplet, and separates the active reagent from the hydrophilic droplet.
    Type: Grant
    Filed: March 21, 2014
    Date of Patent: July 5, 2016
    Assignee: Industrial Technology Research Institute
    Inventors: Liang-Ju Chien, Yu-Ying Lin, Chi-Han Chiou
  • Patent number: 9341639
    Abstract: A apparatus for microfluid detection for detecting a sample fluid including a plurality of magnetic particles is provided. The apparatus for microfluid detection includes a microfluidic chip and a magnetic generating module. The microfluidic chip includes a substrate and microfluidic channels, wherein the sample fluid is carried by a carry surface of the substrate. The magnetic generating module is adapted for providing a positioning magnetic field and a surrounding magnetic field. The magnetic module controls to move the sample fluid and change a distribution of the magnetic particles in the sample fluid through the positioning magnetic field and the surrounding magnetic field.
    Type: Grant
    Filed: March 21, 2014
    Date of Patent: May 17, 2016
    Assignee: Industrial Technology Research Institute
    Inventors: Liang-Ju Chien, Chi-Han Chiou, Shao-Hsing Yeh, Yu-Ying Lin
  • Patent number: 9279820
    Abstract: A method for manipulating a droplet by a droplet manipulating device including a flow channel, a first magnetic field generator, and a second magnetic field generator is provided. The first magnetic field generator includes two first magnetic field modules and are at two sides of the flow channel. The second magnetic field generator is between the two first magnetic field modules and includes multiple second magnetic field coils. The droplet is provided in the flow channel and includes a magnetic particle. A first magnetic field is produced on the flow channel by the first magnetic field modules, so the magnetic particle in the droplet has the direction of magnetic field corresponding to the first magnetic field. A second magnetic field is produced on the flow channel by the second magnetic field coils, for driving the magnetic particle in the droplet to be in motion in the flow channel.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: March 8, 2016
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Shao-Hsing Yeh, Yu-Ying Lin, Chi-Han Chiou, Liang-Ju Chien
  • Patent number: 9274131
    Abstract: The disclosure relates to a droplet manipulating device and a method for manipulating a droplet. The droplets manipulating device includes a first magnetic field generator, a second magnetic field generator, and a flow channel. The first magnetic field generator produces a first magnetic field on the droplet, so that the droplet has the direction of magnetic field corresponding to the first magnetic field. Further, the second magnetic field generator produces a second magnetic field on the droplet so as to drive the droplet to be in motion in the flow channel.
    Type: Grant
    Filed: June 2, 2014
    Date of Patent: March 1, 2016
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Shao-Hsing Yeh, Yu-Ying Lin, Chi-Han Chiou, Liang-Ju Chien
  • Publication number: 20150233954
    Abstract: A method for manipulating a droplet by a droplet manipulating device including a flow channel, a first magnetic field generator, and a second magnetic field generator is provided. The first magnetic field generator includes two first magnetic field modules and are at two sides of the flow channel. The second magnetic field generator is between the two first magnetic field modules and includes multiple second magnetic field coils. The droplet is provided in the flow channel and includes a magnetic particle. A first magnetic field is produced on the flow channel by the first magnetic field modules, so the magnetic particle in the droplet has the direction of magnetic field corresponding to the first magnetic field. A second magnetic field is produced on the flow channel by the second magnetic field coils, for driving the magnetic particle in the droplet to be in motion in the flow channel.
    Type: Application
    Filed: May 7, 2015
    Publication date: August 20, 2015
    Inventors: Shao-Hsing YEH, Yu-Ying LIN, Chi-Han CHIOU, Liang-Ju CHIEN
  • Publication number: 20150029491
    Abstract: A apparatus for microfluid detection for detecting a sample fluid including a plurality of magnetic particles is provided. The apparatus for microfluid detection includes a microfluidic chip and a magnetic generating module. The microfluidic chip includes a substrate and microfluidic channels, wherein the sample fluid is carried by a carry surface of the substrate. The magnetic generating module is adapted for providing a positioning magnetic field and a surrounding magnetic field. The magnetic module controls to move the sample fluid and change a distribution of the magnetic particles in the sample fluid through the positioning magnetic field and the surrounding magnetic field.
    Type: Application
    Filed: March 21, 2014
    Publication date: January 29, 2015
    Applicant: Industrial Technology Research Institute
    Inventors: Liang-Ju Chien, Chi-Han Chiou, Shao-Hsing Yeh, Yu-Ying Lin
  • Publication number: 20150027554
    Abstract: The disclosure relates to a droplet manipulating device and a method for manipulating a droplet. The droplets manipulating device includes a first magnetic field generator, a second magnetic field generator, and a flow channel. The first magnetic field generator produces a first magnetic field on the droplet, so that the droplet has the direction of magnetic field corresponding to the first magnetic field. Further, the second magnetic field generator produces a second magnetic field on the droplet so as to drive the droplet to be in motion in the flow channel.
    Type: Application
    Filed: June 2, 2014
    Publication date: January 29, 2015
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Shao-Hsing YEH, Yu-Ying LIN, Chi-Han CHIOU, Liang-Ju CHIEN
  • Publication number: 20150011438
    Abstract: A detection chip is provided. The detection chip includes a substrate, an active reagent, a hydrophilic droplet and a lipophilic substance. The substrate includes a first containing slot, wherein the first containing slot includes a first space and a second space adjacent to each other. The active reagent is disposed in the first space of the first containing slot. The hydrophilic droplet is disposed in the second space of the first containing slot. The lipophilic substance is disposed in the first containing slot, wherein the lipophilic substance is immiscible to the active reagent and the hydrophilic droplet, and separates the active reagent from the hydrophilic droplet.
    Type: Application
    Filed: March 21, 2014
    Publication date: January 8, 2015
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Liang-Ju Chien, Yu-Ying Lin, Chi-Han Chiou
  • Publication number: 20140291154
    Abstract: A concentration method of dielectrophoretic particles includes: providing a fluid pipe structure, wherein the fluid pipe structure has a protrudent structure lateral protruding inwardly so as to form a line-like gate; making a fluid containing particles to be measured flow through the fluid pipe structure; and applying an electrical field through the line-like gate so as to produce a dielectrophoresis force to concentrate the particles to be measured.
    Type: Application
    Filed: June 12, 2014
    Publication date: October 2, 2014
    Inventors: Liang-Ju Chien, Chi-Han Chiou
  • Patent number: 8795501
    Abstract: A dielectrophoretic particle concentrator includes first substrate, detection electrodes, second substrate, protrudent structure and edge wall structures. The first substrate extends along first direction. The detection electrodes are disposed on the first substrate and extend along second direction. The second direction crosses the first direction. The second substrate is disposed over the first substrate and extends along the first direction. The protrudent structure is disposed on the second substrate and protruded towards the first substrate. A top portion of the protrudent structure includes a line-like structure extending along the second direction and adjacent to the detection electrodes. The edge wall structures are integrated with the first substrate and the second substrate, to form pipe-like structure to enable a fluid flowing through the protrudent structure from an end to another end.
    Type: Grant
    Filed: April 19, 2010
    Date of Patent: August 5, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Liang-Ju Chien, Chi-Han Chiou
  • Publication number: 20130306595
    Abstract: A method of manufacturing a three-dimensional nanochannel device is provided. In the method, a first insulation layer is formed on a substrate, a first opening is formed in the first insulation layer, and a patterned photoresist is formed on the first insulation layer. The patterned photoresist includes at least one second opening, wherein the second opening is adjacent to the first opening and exposes the first insulation layer. Afterwards, the first insulation layer is etched and the substrate is also continued to be etched by using the patterned photoresist as a mask, so as to form a housing space, wherein a depth of the housing space is at least two orders greater than a thickness of the first insulation layer. Thereafter, the patterned photoresist is removed, and a second insulation layer is formed on a surface of the substrate.
    Type: Application
    Filed: July 22, 2013
    Publication date: November 21, 2013
    Applicant: Inndustrial Technology Research Institute
    Inventors: Liang-Ju Chien, Chi-Han Chiou
  • Patent number: 8506783
    Abstract: A three-dimensional nanochannel device and a method of manufacturing the same are provided. In the device, a first substrate, a second substrate, and a channel layer sandwiched by the first and the second substrates are included. At least one channel is constituted by the first and the second substrates and the channel layer and includes a fluid inlet, a fluid outlet, and at least one condensed channel between the fluid inlet and the fluid outlet. The condensed channel at least has a first size and a second size on an X-Y plane and has a third size and a fourth size on an X-Z plane. A difference between the first size and the second size is about at least two orders in scale, and a difference between the third size and the fourth size is about at least two orders in scale.
    Type: Grant
    Filed: August 9, 2011
    Date of Patent: August 13, 2013
    Assignee: Industrial Technology Research Institute
    Inventors: Liang-Ju Chien, Chi-Han Chiou
  • Publication number: 20130058805
    Abstract: A pneumatic micropump is provided. The pneumatic micropump includes a fluidic channel layer, an upper substrate, a lower substrate, an upper membrane and a lower membrane. The fluidic channel includes a fluid inlet a reservoir, and a fluid outlet, wherein the fluid passes through the fluid inlet, the reservoir and the fluid outlet, successively. The upper substrate includes an upper pneumatic chamber facing the reservoir. The lower substrate includes a lower pneumatic chamber facing the reservoir. The upper membrane is disposed between the upper pneumatic chamber and the reservoir, and the lower membrane is disposed between the lower pneumatic chamber and the reservoir.
    Type: Application
    Filed: May 3, 2012
    Publication date: March 7, 2013
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Liang-Ju Chien, Chi-Han Chiou
  • Publication number: 20120261263
    Abstract: A three-dimensional nanochannel device and a method of manufacturing the same are provided. In the device, a first substrate, a second substrate, and a channel layer sandwiched by the first and the second substrates are included. At least one channel is constituted by the first and the second substrates and the channel layer and includes a fluid inlet, a fluid outlet, and at least one condensed channel between the fluid inlet and the fluid outlet. The condensed channel at least has a first size and a second size on an X-Y plane and has a third size and a fourth size on an X-Z plane. A difference between the first size and the second size is about at least two orders in scale, and a difference between the third size and the fourth size is about at least two orders in scale.
    Type: Application
    Filed: August 9, 2011
    Publication date: October 18, 2012
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Liang-Ju Chien, Chi-Han Chiou
  • Publication number: 20110168561
    Abstract: A dielectrophoretic particle concentrator includes first substrate, detection electrodes, second substrate, protrudent structure and edge wall structures. The first substrate extends along first direction. The detection electrodes are disposed on the first substrate and extend along second direction. The second direction crosses the first direction. The second substrate is disposed over the first substrate and extends along the first direction. The protrudent structure is disposed on the second substrate and protruded towards the first substrate. A top portion of the protrudent structure includes a line-like structure extending along the second direction and adjacent to the detection electrodes. The edge wall structures are integrated with the first substrate and the second substrate, to form pipe-like structure to enable a fluid flowing through the protrudent structure from an end to another end.
    Type: Application
    Filed: April 19, 2010
    Publication date: July 14, 2011
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Liang-Ju Chien, Chi-Han Chiou