Patents by Inventor Do-Young Byun
Do-Young Byun 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).
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Publication number: 20190240979Abstract: Disclosed are a cartridge nozzle assembly and an apparatus for injecting ink including the cartridge nozzle assembly. In the ink injecting apparatus for forming a pattern by adhering the ink injected from a nozzle onto a substrate, the ink injecting apparatus includes a cartridge nozzle assembly, in a cartridge type, including a chamber sealingly accommodating the ink, and the nozzle for discharging the ink accommodated in the chamber; and a cartridge nozzle fixing member for replaceably fixing the cartridge nozzle assembly.Type: ApplicationFiled: February 7, 2019Publication date: August 8, 2019Applicant: ENJET CO. LTD.Inventors: Do Young BYUN, Vu Dat NGUYEN
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Patent number: 10293602Abstract: The present disclosure relates to an ink jetting apparatus and a printing system including the same, the ink jetting apparatus including a liquid droplet generating unit configured to generate liquid droplets and jet the generated liquid droplets, a guide channel unit having a channel to guide the jetted liquid droplets and control evaporation of the liquid droplets, and being configured to protect the liquid droplets from thermal and physical disturbance; and a nozzle unit configured to discharge the liquid droplets that passed through the guide channel unit towards a substrate.Type: GrantFiled: December 15, 2017Date of Patent: May 21, 2019Assignee: Enjet Co., Ltd.Inventor: Do Young Byun
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Patent number: 10272670Abstract: The present disclosure relates to an ink jetting apparatus with multi-nozzles, the apparatus including a liquid droplet generating unit configured to generate liquid droplets from ink and jet the liquid droplets through the multi-nozzles, and an evaporation control unit configured to guide the liquid droplets jetted from the multi-nozzles to protect the liquid droplets from thermal and physical disturbance and control evaporation of the liquid droplets.Type: GrantFiled: December 15, 2017Date of Patent: April 30, 2019Assignee: Enjet Co. Ltd.Inventors: Do Young Byun, Vu Dan Nguyen
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Publication number: 20190061351Abstract: The present disclosure relates to an ink jetting apparatus with multi-nozzles, the apparatus including a liquid droplet generating unit configured to generate liquid droplets from ink and jet the liquid droplets through the multi-nozzles, and an evaporation control unit configured to guide the liquid droplets jetted from the multi-nozzles to protect the liquid droplets from thermal and physical disturbance and control evaporation of the liquid droplets.Type: ApplicationFiled: December 15, 2017Publication date: February 28, 2019Applicant: Enjet Co. Ltd.Inventors: Do Young BYUN, Vu Dan NGUYEN
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Publication number: 20180304621Abstract: The present disclosure relates to an ink jetting apparatus and a printing system including the same, the ink jetting apparatus including a liquid droplet generating unit configured to generate liquid droplets and jet the generated liquid droplets, a guide channel unit having a channel to guide the jetted liquid droplets and control evaporation of the liquid droplets, and being configured to protect the liquid droplets from thermal and physical disturbance; and a nozzle unit configured to discharge the liquid droplets that passed through the guide channel unit towards a substrate.Type: ApplicationFiled: December 15, 2017Publication date: October 25, 2018Applicant: Enjet Co. Ltd.Inventor: Do Young BYUN
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Publication number: 20170182717Abstract: The invention provides a printer comprising an exchange station by which a printer module of a multifunction 3D printer can be attached and detached. The printer module is electromagnetically or mechanically attached to the exchange station to perform a printing operation. The multifunction 3D printer supports the printer module steadily and stably.Type: ApplicationFiled: December 7, 2016Publication date: June 29, 2017Inventors: Do Young Byun, Vu Dat Nguyen
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Publication number: 20170173945Abstract: An ink jetting apparatus and method capable of jetting fine liquid drops is disclosed, according to one aspect of an embodiment, the ink jetting apparatus including a chamber for accommodating ink and a jetting unit for jetting ink, the ink jetting apparatus including a pressurizing unit configured to form a meniscus at a tip of the jetting unit by pressurizing the ink contained in the chamber; and a vibrating unit configured to excite and decompose the meniscus formed at the tip of the jetting unit by vibrating the jetting unit.Type: ApplicationFiled: December 7, 2016Publication date: June 22, 2017Inventors: Do Young Byun, Vu Dat Nguyen
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Patent number: 9487003Abstract: Provided herein is a contact patterning apparatus comprising: a substrate; a fluid supply unit configured to supply fluid towards the substrate; a voltage applying unit electrically connected to the fluid supply unit, and configured to make the fluid from the fluid supply unit connected between the substrate and the fluid supply unit by applying a voltage to a surface of the fluid; and a control unit configured to adjust a level of the voltage being applied to the fluid such that the fluid is patterned on the substrate in a dots form or a continuous line form, thereby stably patterning a continuous line of a fine line width regardless of the viscosity of the fluid being used and the patterning velocity.Type: GrantFiled: August 6, 2014Date of Patent: November 8, 2016Assignee: ENJET CO., LTD.Inventors: Vu Dat Nguyen, Do-Young Byun, Yong Hee Jang
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Publication number: 20160185112Abstract: Provided herein is a contact patterning apparatus comprising: a substrate; a fluid supply unit configured to supply fluid towards the substrate; a voltage applying unit electrically connected to the fluid supply unit, and configured to make the fluid from the fluid supply unit connected between the substrate and the fluid supply unit by applying a voltage to a surface of the fluid; and a control unit configured to adjust a level of the voltage being applied to the fluid such that the fluid is patterned on the substrate in a dots form or a continuous line form, thereby stably patterning a continuous line of a fine line width regardless of the viscosity of the fluid being used and the patterning velocity.Type: ApplicationFiled: August 6, 2014Publication date: June 30, 2016Inventors: Vu Dat Nguyen, Do-Young Byun, Yong Hee Jang
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Patent number: 9162449Abstract: There is disclosed an apparatus for spraying and patterning, using an electrostatic force, includes a nozzle to which a voltage is applied to exhaust ink, a droplet circulation chamber provided in one end of the nozzle, with a hole provided in one end to spray the ink exhausted from the nozzle based on a particle size of the droplet and to temporarily collect the not-sprayed ink, and a substrate for impacting the ink sprayed from the hole thereon by forming an electric field between the nozzle and the substrate.Type: GrantFiled: August 26, 2014Date of Patent: October 20, 2015Assignee: Enjet Co., Ltd.Inventors: Do-Young Byun, Vu Dat Nguyen, Baek Hoon Seong
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Patent number: 9028026Abstract: Provided herein is an apparatus for printing on a 3-dimensional surface using electrohydrodynamic force, the apparatus having a stage where a print object is placed; a shape obtainer storing surface information of the print object; a nozzle receiving ink and discharging the received ink to a surface side of the print object; a power supply supplying power to the nozzle; and a controller receiving the surface information of the print object from the shape obtainer and controlling a movement of the nozzle or the stage. Thus, an apparatus for printing on a 3-dimensional surface using electrohydrodynamic force is provided, which is capable of performing a precision printing process on a 3-dimensional surface.Type: GrantFiled: May 20, 2013Date of Patent: May 12, 2015Assignee: Enjet Co. Ltd.Inventors: Do-Young Byun, Vu Dat Nguyen
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Publication number: 20150075425Abstract: Provided herein is a coating system using a spray nozzle, the coating system comprising: a support where a substrate is disposed; a spray nozzle configured to inject towards the substrate liquid that has gone through a primary atomization by collision with gas; a voltage applier configured to apply voltage to the spray nozzle so that the liquid injected from the spray nozzle includes electric charge, and to generate an electric field between the support and the spray nozzle by the voltage applied to the spray nozzle and perform a secondary atomization of the liquid injected from the spray nozzle; and a transferrer configured to transfer at least one of the support and the spray nozzle.Type: ApplicationFiled: March 27, 2014Publication date: March 19, 2015Applicant: Enjet Co., Ltd.Inventors: Do-Young Byun, Vu Dat Nguyen, Baek Hoon Seong
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Publication number: 20150062250Abstract: There is disclosed an apparatus for spraying and patterning, using an electrostatic force, includes a nozzle to which a voltage is applied to exhaust ink, a droplet circulation chamber provided in one end of the nozzle, with a hole provided in one end to spray the ink exhausted from the nozzle based on a particle size of the droplet and to temporarily collect the not-sprayed ink, and a substrate for impacting the ink sprayed from the hole thereon by forming an electric field between the nozzle and the substrate.Type: ApplicationFiled: August 26, 2014Publication date: March 5, 2015Inventors: Do-Young Byun, Vu Dat Nguyen, Baek Hoon Seong
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Patent number: 8911938Abstract: Disclosed are preloaded analysis modules comprising reagents disposed within a barrier material capable of liberating the reagents, at a time advantageous to a reaction scheme, when exposed to certain activation conditions or reagents. Also disclosed are related methods for analyzing samples with such modules.Type: GrantFiled: December 10, 2008Date of Patent: December 16, 2014Assignee: The Trustees Of The University Of PennsylvaniaInventors: Michael G. Mauk, Haim H. Bau, Amanda W. Dyson, Sudhir Ramprasad, Dafeng Chen, Do Young Byun
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Patent number: 8888249Abstract: The present invention provides a droplet jetting apparatus which jets fluid in a droplet shape. The apparatus includes a main body (100), which has a chamber (110) for containing fluid. The main body further has at least one nozzle (120) which communicates with the chamber and jets a droplet onto a printable matter, and a first electrode (130) which is formed on the inner surface of at least one selected from between the nozzle and the chamber by patterning treatment to make electrical contact with the fluid. The apparatus further includes a second electrode (140), which is provided between the nozzle and the printable matter and has a through hole, through which the droplet is jetted from the nozzle onto the printable matter, a power supply (200) which supplies a voltage applied between the first electrode and the second electrode, and a control unit (300) which controls the power supply.Type: GrantFiled: January 6, 2014Date of Patent: November 18, 2014Assignee: Enjet Co., Ltd.Inventors: Do Young Byun, Ji Hoon Kim, Si Bui Quang Tran
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Publication number: 20140291424Abstract: Provided herein is a spray nozzle and a coating system using the same, the spray nozzle and the coating system comprising a liquid nozzle injecting liquid towards a substrate; a gas nozzle for injecting gas to collide with the liquid on an injection path of the liquid to perform a primary atomization of the liquid; and a voltage supply connected to the liquid nozzle, the voltage supply for applying voltage to the liquid nozzle to generate an electric field between the liquid nozzle and substrate to perform a secondary atomization of the liquid.Type: ApplicationFiled: March 27, 2014Publication date: October 2, 2014Applicant: Enjet Co. Ltd.Inventors: Do-Young Byun, Vu Dat Nguyen, Baek Hoon Seong
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Publication number: 20140160207Abstract: Provided herein is an apparatus for jetting ink where the upper side of a nozzle is open and a physical actuator is provided, and a physical actuator is driven by an electrode provided on the upper and lower side to form an electric field, thereby becoming capable of easily jetting fine-diameter ink.Type: ApplicationFiled: November 7, 2013Publication date: June 12, 2014Applicant: Injet Co., Ltd.Inventors: Do-Young Byun, Vu Dat Nguyen
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Publication number: 20140138133Abstract: Provided herein is a transparent electrode comprising: a substrate; and an electrode pattern where a plurality of electrode lines are patterned in a mesh format on the substrate, wherein the width each electrode line is in the range of 0.1 to 15 ?m, and the aspect ratio of each electrode line is in the range of 1:0.1 to 1:1, and each electrode line is made of a conductive nano structure, and a high viscosity conductive nano ink composition comprising a high molecular compound having a molecular weight between 50,000 and 1,000,000.Type: ApplicationFiled: November 19, 2013Publication date: May 22, 2014Applicant: Enjet Co., Ltd.Inventor: Do-Young Byun
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Publication number: 20140131079Abstract: Disclosed is a conductive nano ink composition which contains 0.05 to 15 parts by weight of a high molecular compound having a molecular weight of 100,000 to 1,000,000 and comprising at least one between a natural high-molecular compound and a synthetic high-molecular compound; 1 to 6 parts by weight of a wetting dispersant; and 10 to 100 parts by weight of an organic solvent, per 100 parts by weight of a conductive nano structure, thereby providing an electrode line having a narrow line width due to its uniform viscosity and excellent electrical properties. Further, it is possible to provide a transparent electrode excellent in light transmittance and electric conductivity as it is patterned using the conductive nano ink composition.Type: ApplicationFiled: November 8, 2013Publication date: May 15, 2014Applicant: Enjet Co., Ltd.Inventor: Do-Young Byun
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Publication number: 20140118444Abstract: The present invention provides a droplet jetting apparatus which jets fluid in a droplet shape. The apparatus includes a main body (100), which has a chamber (110) for containing fluid. The main body further has at least one nozzle (120) which communicates with the chamber and jets a droplet onto a printable matter, and a first electrode (130) which is formed on the inner surface of at least one selected from between the nozzle and the chamber by patterning treatment to make electrical contact with the fluid. The apparatus further includes a second electrode (140), which is provided between the nozzle and the printable matter and has a through hole, through which the droplet is jetted from the nozzle onto the printable matter, a power supply (200) which supplies a voltage applied between the first electrode and the second electrode, and a control unit (300) which controls the power supply.Type: ApplicationFiled: January 6, 2014Publication date: May 1, 2014Applicant: Enjet Co., Ltd.Inventors: Do Young Byun, Ji Hoon Kim, Si Bui Quang Tran