Patents by Inventor Hey Jin Myoung
Hey Jin Myoung 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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Patent number: 9541812Abstract: The present invention relates to an electrophoretic particle that includes: a core part including an inorganic particle; a shell layer formed on the core part; and a protective layer formed on the shell layer, a method of producing the electrophoretic particle, and an electrophoretic display device including the electrophoretic particle.Type: GrantFiled: March 30, 2012Date of Patent: January 10, 2017Assignee: KOLON INDUSTRIES, INC.Inventors: Hyeon-Jung Yoo, Young-Seo Yoon, Hey-Jin Myoung
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Patent number: 9389481Abstract: The present invention is directed to an electrophoretic slurry composition and an electrophoretic display device comprising the same, where the electrophoretic slurry comprises charged particles; polymer beads comprising an acryl- or vinyl-based repeating unit; and a fluid medium. Accordingly, the present invention has a high reactivity to a driving voltage, sustains images or text for a predetermined period of time or longer even when the driving voltage is switched off, and provides a high contrast ratio and enhanced visibility to implement high-quality text or images.Type: GrantFiled: June 22, 2012Date of Patent: July 12, 2016Assignee: KOLON INDUSTRIES, INC.Inventors: Hey-Jin Myoung, Ho-Suk Song, Hyeon-Jung Yoo, Young-Seo Yoon
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Publication number: 20150109659Abstract: The present invention relates to an electrophoretic particle that includes: a core part including an inorganic particle; a shell layer formed on the core part; and a protective layer formed on the shell layer, a method of producing the electrophoretic particle, and an electrophoretic display device including the electrophoretic particle.Type: ApplicationFiled: March 30, 2012Publication date: April 23, 2015Applicant: KOLON INDUSTRIES, INC.Inventors: Hyeon-Jung Yoo, Young-Seo Yoon, Hey-Jin Myoung
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Publication number: 20140063590Abstract: The present invention is directed to an electrophoretic slurry composition and an electrophoretic display device comprising the same, where the electrophoretic slurry comprises charged particles; polymer beads comprising an acryl- or vinyl-based repeating unit; and a fluid medium. Accordingly, the present invention has a high reactivity to a driving voltage, sustains images or text for a predetermined period of time or longer even when the driving voltage is switched off, and provides a high contrast ratio and enhanced visibility to implement high-quality text or images.Type: ApplicationFiled: June 22, 2012Publication date: March 6, 2014Applicant: KOLON INDUSTRIES, INC.Inventors: Hey-Jin Myoung, Ho-Suk Song, Hyeon-Jung Yoo, Young-Seo Yoon
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Publication number: 20130264728Abstract: The present description is directed to a method for fabricating an electrophoretic display device that includes: forming a partition wall on a first substrate; filling a charged particle slurry in a three-dimensional space sectioned by a photo-curable or thermosetting resin layer and a sealant defining an edge on the resin layer; and combining the first substrate and the photo-curable or thermosetting resin layer together to have the partition wall immersed in the charged particle slurry, which fabrication method minimizes the defective proportion of final products and provides an electrophoretic display device with a high contrast ratio and enhanced visibility to implement high-quality text.Type: ApplicationFiled: November 28, 2011Publication date: October 10, 2013Applicant: KOLON INDUSTRIES, INC.Inventors: Hey-Jin Myoung, Ho-Suk Song, Hyeon-Jung Yoo, Young-Seo Yoon
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Publication number: 20130208345Abstract: The present invention relates to an electrophoretic display device that includes: first and second substrates separated from each other by a predetermined distance; first and second electrodes formed on one side of the first and second substrates, respectively, and disposed to face each other; a black pattern layer formed on the first electrode; a plurality of partition walls formed between the first and second electrodes, one side of the partition walls on the first electrode being in contact with or overlapped with the black pattern layer; and a slurry of charged white particles filled between the partition walls. The electrophoretic display device can exhibit a high contrast ratio and enhanced visibility to realize high-quality text.Type: ApplicationFiled: September 30, 2011Publication date: August 15, 2013Applicant: KOLON INDUSTRIES, INC.Inventors: Ho-Suk Song, Hyeon-Jung Yoo, Young-Seo Yoon, Chung-Seock Kang, Hey-Jin Myoung
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Patent number: 8472501Abstract: Provided are a human body communication apparatus for non-contact communications using a frequency-selective baseband and a human body communication method for non-contact communications in the same. The human body communication apparatus may be useful to perform stable communications between users by reducing interference induced from other communication apparatuses without affecting interference between the users since data are transmitted/received between communication apparatuses adjacent to a human body by spreading and despreading the data using only spreading codes of a limited frequency band (frequency-selective baseband) in which an inductive electromagnetic field formed by an antenna shows the most effective characteristics.Type: GrantFiled: January 16, 2009Date of Patent: June 25, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: In-Gi Lim, Sung-Weon Kang, Hyung-Il Park, Chang-Hee Hyoung, Jung-Hwan Hwang, Sung-Eun Kim, Jin-Kyung Kim, Tae-Wook Kang, Hey-Jin Myoung, Jung-Bum Kim, Kyung-Soo Kim
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Patent number: 8422535Abstract: A frequency selective digital transmission apparatus includes: a preamble transmission processing unit generating a preamble for frame synchronization and spreading the generated preamble with a predetermined spreading code; a header transmission processing unit configuring a header including data attribute information and spreading the header with a predetermined spreading code; a data transmission processing unit performing serial-to-parallel conversion on transmission data according to a selected transmission mode and a spreading scheme and spreading the same with a frequency selective spreading code; and a multiplexing unit multiplexing the preamble, the header, and the data which have been spread by the preamble transmission processing unit, the header transmission processing unit and the data transmission processing unit, respectively, and transmitting the same as digital signals.Type: GrantFiled: April 26, 2010Date of Patent: April 16, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: In Gi Lim, Hyung Il Park, Tae Wook Kang, Chang Hee Hyoung, Sung Weon Kang, Jung Hwan Hwang, Kyung Soo Kim, Jung Bum Kim, Sung Eun Kim, Jin-Kyung Kim, Hey Jin Myoung, Seok Bong Hyun, Kyung Hwan Park, Byoung Gun Choi, Tae Young Kang
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Patent number: 8345735Abstract: There is provided a communication method using a human body as a medium. A modulation apparatus using a frequency selective baseband according to an aspect of the invention may include: a serial-to-parallel conversion unit converting serial data supplied from an upper layer into parallel data consisting of M+1 number of data input bits; and a frequency selective spreader selecting one subgroup among a plurality of subgroups obtained by dividing 2N number (where N is a positive integer) of spreading codes used for frequency spreading by 2M (where M is a positive integer, and M<N is satisfied), and selecting and outputting one spreading code among 2M number of spreading codes of the one subgroup by using the M number of data input bits, and spreading codes obtained by performing bit circular shifts on the 2M number of spreading codes.Type: GrantFiled: October 24, 2008Date of Patent: January 1, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Tae Wook Kang, In Gi Lim, Hyung Il Park, Sung Weon Kang, Kyung Soo Kim, Sung Eun Kim, Jung Bum Kim, Jin Kyung Kim, Chang Hee Hyoung, Jung Hwan Hwang, Ki Hyuk Park, Jae Hoon Shim, Hey Jin Myoung
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Patent number: 8344999Abstract: The present invention relates to a powerless electronic notepad and a powerless wireless transmission system using the same, and more particularly, to a powerless electronic notepad that stores data recorded on an electronic notepad using piezoelectric elements and transmits the stored data using a passive RFID tag without the use of a power source, and a powerless wireless transmission system using the same.Type: GrantFiled: July 22, 2009Date of Patent: January 1, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Byoung Gun Choi, Kyung Soo Kim, Jung Bum Kim, In Gi Lim, Chang Hee Hyoung, Hyung Il Park, Sung Eun Kim, Tae Wook Kang, Hey Jin Myoung, Kyung Hwan Park, Seok Bong Hyun, Jung Hwan Hwang, Tae Young Kang, Sung Weon Kang
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Patent number: 8249136Abstract: An adaptive frequency selective baseband communications method using orthogonal codes includes: a communications testing step of performing communications by using one of a plurality of codes each having a different frequency band; a proper code selecting step of selecting a proper code by using a correlation value of a plurality of codes included in test data transmitted in the communications testing step; a communications performing step of performing communications by using the proper code; and a feedback step of newly selecting a proper code by using the correlation value of the plurality of codes included in the test data transmitted in the communications performing step if a pre-set time duration has lapsed or if a reception error of more than a pre-set reference occurs, and performing the communications performing step again, wherein the test data transmitted in the communications testing step and the communications performing step includes a plurality of codes each having a different frequency band.Type: GrantFiled: December 9, 2009Date of Patent: August 21, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Tae Wook Kang, In Gi Lim, Sung Weon Kang, Tae Young Kang, Kyung Soo Kim, Sung Eun Kim, Jung Bum Kim, Jin Kyung Kim, Kyung Hwan Park, Hyung Il Park, Byoung Gun Choi, Chang Hee Hyoung, Jung Hwan Hwang, Hey Jin Myoung, Seok Bong Hyun, Ki Hyuk Park, Jae Hoon Shim
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Patent number: 8049953Abstract: Provided is a microcapsule patterning method for patterning electrophoretic microcapsules on a substrate, the method including the steps of: preparing a microcapsule slurry in which microcapsules and a water-soluble binder are mixed; putting the microcapsule slurry into a liquid ejector having injection and ejection ports formed therein; and applying the microcapsule slurry contained in the liquid ejector onto the substrate so as to pattern pixels using the microcapsules. Accordingly, specific patterns are formed without physical and chemical damage to the microcapsules. Therefore, the patterns can be used as pixels of flat panel displays. Further, through the patterning, it is possible to implement a color display device which does not exhibit performance degradation.Type: GrantFiled: September 18, 2007Date of Patent: November 1, 2011Assignee: Electronics and Telecommunications Research InstituteInventors: Chul Am Kim, Seung Youl Kang, Hey Jin Myoung, Kyung Soo Suh, Seong Deok Ahn, Gi Heon Kim, In Kyu You, Ji Young Oh
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Publication number: 20110250837Abstract: There is provided a communications system and method using a part of human body as an antenna in a body area network, and more particularly, to a communications system and method enabling wireless communications using a low frequency band without the use of a bulky antenna in such a manner that a transmitting-side communications device applies electrical signals to a human body via a transmitting-side coupler to allow a part of human body to act as an antenna, and electrical signals, occurring in another part of human body due to radio frequency (RF) signals, are transferred to a receiving-side communications device via a receiving-side coupler.Type: ApplicationFiled: December 3, 2009Publication date: October 13, 2011Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Jung-Hwan Hwang, Kyung-Soo Kim, Jung-Bum Kim, In-Gi Lim, Chang-Hee Hyoung, Hyung-Il Park, Sung-Eun Kim, Tae Wook Kang, Hey-Jin Myoung, Kyung-Hwan Park, Seok-Bong Hyun, Byoung-Gun Choi, Tae-Young Kang, Sung-Weon Kang
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Publication number: 20110123032Abstract: Provided is a single sound transmission apparatus using human body communication. The single sound transmission apparatus includes a sound signal generator generating a sound signal of an audio frequency band, a high frequency signal generator generating a high frequency signal having a higher frequency than the audio frequency band, a signal combiner generating a combined signal by combining the sound signal with the high frequency signal, and a signal transmitter varying a phase difference between the combined signal outputted from the signal combiner and the high frequency signal outputted from the high frequency signal generator, and outputting the combined signal and the high frequency signal together to a human body, in order to leave only the sound signal through destructive interference of the high frequency signal of the combined signal, wherein the destructive interference is generated in an ear area of the human body.Type: ApplicationFiled: December 22, 2008Publication date: May 26, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Hey-Jin Myoung, Sung-Weon Kang, Jung-Hwan Hwang, Sung-Eun Kim, Kyung-Soo Kim, Jung-Bum Kim, In-gi Lim, Chang-Hee Hyoung, Jin-Kyung Kim, Hyung-II Park, Tae-Wook Kang
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Publication number: 20110040492Abstract: There is provided a system and a method for measuring phase response characteristic of a human body in human-body communication. The system and method may be useful to measure phase response characteristic of the human body without forming a common ground line between a reference signal transmitter and a reference signal receiver by transmitting a first reference signal through the human body and transmitting a second reference signal through the optical cable.Type: ApplicationFiled: October 14, 2008Publication date: February 17, 2011Applicants: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jung-Hwan Hwang, Sung-Weon Kang, Kyung-Soo Kim, Jung-Bum Kim, In-Gi Lim, Chang-Hee Hyoung, Sung-Eun Kim, Jin-Kyung Kim, Hyung-Il Park, Tae-Wook Kang, Hey-Jin Myoung
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Publication number: 20110019717Abstract: Provided are a human body communication apparatus for non-contact communications using a frequency-selective baseband and a human body communication method for non-contact communications in the same. The human body communication apparatus may be useful to perform stable communications between users by reducing interference induced from other communication apparatuses without affecting interference between the users since data are transmitted/received between communication apparatuses adjacent to a human body by spreading and despreading the data using only spreading codes of a limited frequency band (frequency-selective baseband) in which an inductive electromagnetic field formed by an antenna shows the most effective characteristics.Type: ApplicationFiled: January 16, 2009Publication date: January 27, 2011Inventors: In-Gi Lim, Sung-Weon Kang, Hyung-Il Park, Chang-Hee Hyoung, Jung-Hwan Hwang, Sung-Eun Kim, Jin-Kyung Kim, Tae-Wook Kang, Hey-Jin Myoung, Jung-Bum Kim, Kyung-Soo Kim
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Publication number: 20110006926Abstract: A training apparatus based on motion content includes a plurality of motion detecting sensors (11 a . . . 11 n) dispersedly arranged in a body of a user to obtain position information signals of respective body parts of the user, a motion controller (20) analyzing the position information signals to detect a user motion, and comparing the detected motion with a reference motion provided from motion contents to generate a motion calibration signal for training of a motion calibration, and a plurality of motion calibrating sensors (12a . . . 12n) dispersedly arranged in the body to stimulate the body part of the user according to the motion calibration signal and calibrate the user motion, and consequently can provide a training service for continual motions and increase a motion calibration effect.Type: ApplicationFiled: January 19, 2009Publication date: January 13, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Sung-Eun Kim, Sung-Weon Kang, Tae-Wook Kang, Nak-Woong Eum, Kyung-Soo Kim, Jung-Bun Kim, Jin-kyung Kim, Hyung-Il Park, In-Gi Lim, Chang-Hee Hyoung, Jung-Hwan Hwang, Hey-Jin Myoung, Ki-Hyuk Park, Jae-Hoon Shim
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Publication number: 20100322290Abstract: There is provided a communication method using a human body as a medium. A modulation apparatus using a frequency selective baseband according to an aspect of the invention may include: a serial-to-parallel conversion unit converting serial data supplied from an upper layer into parallel data consisting of M+1 number of data input bits; and a frequency selective spreader selecting one subgroup among a plurality of subgroups obtained by dividing 2N number (where N is a positive integer) of spreading codes used for frequency spreading by 2M (where M is a positive integer, and M<N is satisfied), and selecting and outputting one spreading code among 2M number of spreading codes of the one subgroup by using the M number of data input bits, and spreading codes obtained by performing bit circular shifts on the 2M number of spreading codes.Type: ApplicationFiled: October 24, 2008Publication date: December 23, 2010Applicant: Electronics and Telecommunications Research InstituteInventors: Tae Wook Kang, In Gi Lim, Hyung Il Park, Sung Weon Kang, Kyung Soo Kim, Sung Eun Kim, Jung Bum Kim, Jin Kyung Kim, Chang Hee Hyoung, Jung Hwan Hwang, Ki Hyuk Park, Jae Hoon Shim, Hey Jin Myoung
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Publication number: 20100290511Abstract: An adaptive frequency selective baseband communications method using orthogonal codes includes: a communications testing step of performing communications by using one of a plurality of codes each having a different frequency band; a proper code selecting step of selecting a proper code by using a correlation value of a plurality of codes included in test data transmitted in the communications testing step; a communications performing step of performing communications by using the proper code; and a feedback step of newly selecting a proper code by using the correlation value of the plurality of codes included in the test data transmitted in the communications performing step if a pre-set time duration has lapsed or if a reception error of more than a pre-set reference occurs, and performing the communications performing step again, wherein the test data transmitted in the communications testing step and the communications performing step includes a plurality of codes each having a different frequency band.Type: ApplicationFiled: December 9, 2009Publication date: November 18, 2010Applicant: Electronics and Telecommunications Research InstituteInventors: Tae Wook Kang, In Gi Lim, Sung Weon Kang, Tae Young Kang, Kyung Soo Kim, Sung Eun Kim, Jung Bum Kim, Jin Kyung Kim, Kyung Hwan Park, Hyung II Park, Byoung Gun Choi, Chang Hee Hyoung, Jung Hwan Hwang, Hey Jin Myoung, Seok Bong Hyun, Ki Hyuk Park, Jae Hoon Shim
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Publication number: 20100272159Abstract: A frequency selective digital transmission apparatus includes: a preamble transmission processing unit generating a preamble for frame synchronization and spreading the generated preamble with a predetermined spreading code; a header transmission processing unit configuring a header including data attribute information and spreading the header with a predetermined spreading code; a data transmission processing unit performing serial-to-parallel conversion on transmission data according to a selected transmission mode and a spreading scheme and spreading the same with a frequency selective spreading code; and a multiplexing unit multiplexing the preamble, the header, and the data which have been spread by the preamble transmission processing unit, the header transmission processing unit and the data transmission processing unit, respectively, and transmitting the same as digital signals.Type: ApplicationFiled: April 26, 2010Publication date: October 28, 2010Applicant: Electronics and Telecommunications Research InstituteInventors: In Gi LIM, Hyung Il Park, Tae Wook Kang, Chang Hee Hyoung, Sung Weon Kang, Jung Hwan Hwang, Kyung Soo Kim, Jung Bum Kim, Sung Eun Kim, Jin Kyung Kim, Hey Jin Myoung, Seok Bong Hyun, Kyung Hwan Park, Byoung Gun Choi, Tae Young Kang