Patents by Inventor Mi Ran Park

Mi Ran Park 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).

  • Publication number: 20210005845
    Abstract: A display device includes a substrate having a light emission area, a light emitting element layer including a light emitting element on the light emission area, and an sensing layer on the light emitting element layer and including a sensing electrode having a first opening overlapping the light emission area, a first refraction layer directly on the sensing electrode and having a second opening overlapping the light emission area, and a second refraction layer on the light emitting element layer and the first refraction layer, a first optical refractive index of the first refraction layer being less than a second optical refraction index of the second refraction layer.
    Type: Application
    Filed: March 10, 2020
    Publication date: January 7, 2021
    Inventors: Hyeong Jun KIM, Ji Ryun PARK, Chi Wook AN, Mi Ran JI
  • Patent number: 10691892
    Abstract: The language analysis method includes collecting an online document, performing coined word filtering on the collected document based on a predetermined coined word extraction pattern and a dictionary to extract a coined word candidate which corresponds to the coined word extraction pattern and is not registered in a coined stop word dictionary, performing morpheme analysis on the extracted coined word candidate to verify a coined word candidate which does not correspond to a predetermined part of speech and is not registered in a pre-stored morpheme dictionary, refining the coined word extraction pattern, based on a result of the verification and updating the verified coined word candidate in the coined stop word dictionary, and updating the verified coined word candidate in the morpheme dictionary, based on the result of the verification.
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: June 23, 2020
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Chung Hee Lee, Hyun Ki Kim, Sang Kyu Park, Kyung Man Bae, Yong Jin Bae, Ji Hyun Wang, Hyung Jik Lee, Soo Jong Lim, Joon Ho Lim, Myung Gil Jang, Mi Ran Choi, Jeong Heo
  • Patent number: 10650814
    Abstract: Provided are an interactive question answering apparatus and method, which improve an unnatural question sentence and prevent the impossibility of a question in a state which does not know additional information, thereby providing a multimodal-based question answering method enabling a person to provide a question like conversing. Also, a question answering service is exposed to potential product purchasers of content such as an image, video, audio, etc., thereby providing an environment available to advertisement market.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: May 12, 2020
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Ji Hyun Wang, Hyun Ki Kim, Chung Hee Lee, Soo Jong Lim, Mi Ran Choi, Sang Kyu Park, Yong Jin Bae, Hyung Jik Lee, Joon Ho Lim, Myung Gil Jang, Jeong Heo
  • Patent number: 10420190
    Abstract: An audio apparatus, a driving method thereof, and a computer readable recording medium are provided. The audio apparatus includes a lighting part configured to provide a lighting effect to at least one direction around the audio apparatus; a detector configured to detect a direction, with respect to the audio apparatus, of a person present in a vicinity of the audio apparatus, and detect a motion of the person; and a processor configured to control the lighting part to provide, to the detected direction, the lighting effect based on the detected motion.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: September 17, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Mi-youn Won, Won-min Choi, Jung-geun Kim, Ji-hyae Kim, Won-hee Lee, Chang-hoon Park, Se-ran Jeon
  • Patent number: 10195149
    Abstract: The present invention relates to a continuous process for preparing microspheres and microspheres prepared thereby, and in particular, a process for preparing microspheres comprising steps of injecting a first emulsion and a second emulsion at the same time to form microspheres instantaneously, applying high pressure to the microspheres formed, and injecting the microspheres into an agitator, wherein the steps can be carried out continuously, and microspheres prepared thereby. When microspheres are prepared using the method of the present invention, scale variables, which have been the biggest disadvantage in existing preparation methods of microspheres, can be significantly reduced, drug encapsulation efficiency can be improved, and small and uniform particles can be obtained.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: February 5, 2019
    Assignee: CJ HEALTHCARE CORPORATION
    Inventors: Yi Mi Kim, Sun Kyung Lim, Mi Ran Park, Young Joon Park, Seung Hee Baek, Hyun Woo Shin
  • Publication number: 20180039033
    Abstract: Provided herein is a multi-channel optical module that transmits or receives an optical signal of multi-channels and a manufacturing method thereof, the multi-channel optical module including a multi-channel optical fiber block configured to transmit an optical signal, a submount including an array optical receiving element unit configured to receive the optical signal; and a mirror unit arranged on a metal optical bench and configured to induce the optical signal transmitted from the multi-channel optical fiber block to the array optical receiving element unit, wherein for the inducement of the optical signal to the array optical receiving element unit, the mirror unit is passively aligned with the array optical receiving element unit, and the multi-channel optical fiber block is actively aligned with the mirror unit.
    Type: Application
    Filed: October 17, 2017
    Publication date: February 8, 2018
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Mi Ran PARK, O Kyun KWON, Hyun Soo KIM, Jong Sool JEONG
  • Patent number: 9526699
    Abstract: The present invention relates to a biodegradable and thermosensitive poly(organophosphazene) with a functional group, a preparation method thereof, and a use thereof for delivery of bioactive substances. According to the present invention, poly(organophosphazene) is a phosphagen-based polymer showing biodegradability, thermosensitivity, and sol-gel phase transition depending on temperature change, whereby when administered into a living body with bioactive substances such as drugs, the poly(organophosphazene) forms a gel-phase at body temperature to be capable of controlled release of the bioactive substances. Further, the poly(organophosphazene) has functional groups to chemically bind with bioactive substances through an ionic bond, covalent bond, or coordinate covalent bond to be capable of a sustained release of the bioactive substances due to its good binding property. Therefore, the poly(organophosphazene) is useful as a delivery material for bioactive substances.
    Type: Grant
    Filed: November 3, 2006
    Date of Patent: December 27, 2016
    Assignee: KIST
    Inventors: Soo-Chang Song, Sun-Mi Lee, Chang-Won Kim, Mi-Ran Park
  • Patent number: 9477013
    Abstract: Disclosed is an optical source device. The optical source device includes: a mode converter configured to be optically coupled with an optical fiber; a semiconductor optical amplifier coupled with the mode converter, and configured to amplify an optical signal input through the optical fiber; and an electro absorption modulator coupled to the optical amplifier, and configured to modulate the amplified optical signal and output the modulated optical signal, in which each of the semiconductor optical amplifier and the optical absorption modulator includes a heater.
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: October 25, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Dong Hun Lee, Jong Sool Jeong, Ki Soo Kim, Hyun Soo Kim, Mi Ran Park, O Kyun Kwon
  • Publication number: 20160279071
    Abstract: Disclosed are an orally disintegrating porous film and a method of preparing the same, wherein the orally disintegrating porous film includes a foaming agent, a foam stabilizer, a plasticizer, and a pharmacologically active ingredient. This orally disintegrating porous film possesses properties suitable for a film and also has micropores therein, thus significantly improving the drug dissolution rate, and can be easily prepared at low cost through a simple preparation process, thereby exhibiting superior processability.
    Type: Application
    Filed: October 30, 2014
    Publication date: September 29, 2016
    Inventors: Mi Ran PARK, So Yi LEE, Dong Woon CHOE, Hyun Soo KIM, Jun Ho SHIN
  • Patent number: 9420357
    Abstract: Disclosed are a method and an apparatus for selecting a wavelength by a wavelength tunable optical receiver. The method of selecting a wavelength of a wavelength tunable optical receiver includes: receiving, by the wavelength tunable optical receiver, an optical signal from a wavelength tunable optical transmitter; filtering, by the wavelength tunable optical receiver, the optical signal through a low frequency band electrical signal filter, and obtaining a low frequency signal; determining, by the wavelength tunable optical receiver, whether the low frequency signal is a valid signal based on a current value of the low frequency signal; and when the low frequency signal is the valid signal, obtaining, by the wavelength tunable optical receiver, an enable condition of a wavelength tunable optical filter through which the low frequency signal is selected, in which the low frequency signal includes a control/monitoring signal.
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: August 16, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jong Sool Jeong, Dong Hun Lee, Mi Ran Park, Byung Seok Choi, Hyun Soo Kim, O Kyun Kwon
  • Publication number: 20160062061
    Abstract: Provided herein is a multi-channel optical module that transmits or receives an optical signal of multi-channels and a manufacturing method thereof, the multi-channel optical module including a multi-channel optical fiber block configured to transmit an optical signal, a submount including an array optical receiving element unit configured to receive the optical signal; and a mirror unit arranged on a metal optical bench and configured to induce the optical signal transmitted from the multi-channel optical fiber block to the array optical receiving element unit, wherein for the inducement of the optical signal to the array optical receiving element unit, the mirror unit is passively aligned with the array optical receiving element unit, and the multi-channel optical fiber block is actively aligned with the mirror unit.
    Type: Application
    Filed: August 31, 2015
    Publication date: March 3, 2016
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Mi Ran PARK, O Kyun KWON, Hyun Soo KIM, Jong Sool JEONG
  • Patent number: 9229183
    Abstract: Disclosed is a multi-channel receiver optical sub assembly. The a multi-channel receiver optical sub assembly includes: a multi-channel PD array, in which a plurality of photodiodes (PDs) disposed on a first capacitor, and including receiving areas disposed at centers thereof and anode electrode pads arranged in an opposite direction at an angle of 180 degrees based on the receiving areas between the adjacent PDs is monolithically integrated; a plurality of transimpedance amplifiers (TIAs) arranged on a plurality of second capacitors, respectively, and connected with the anode pads of the respective PDs through wire bonding; a submount on which the first capacitor.
    Type: Grant
    Filed: August 28, 2013
    Date of Patent: January 5, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Mi-Ran Park, Jong Sool Jeong, Hyun Soo Kim, Byungseok Choi, Young Tak Han, O-Kyun Kwon
  • Patent number: 9148227
    Abstract: Provided is a reflective colorless optical transmitter receiving a carrier signal, which is a continuous wave, and outputting a modulated optical signal. The reflective colorless optical transmitter includes a semiconductor optical amplifier (SOA) amplifying an input optical signal allowing the input optical signal to have a gain, an optical modulator connected to the SOA and outputting a modulated optical signal, a high reflectivity facet reflecting the modulated optical signal from the optical modulator, and a Bragg reflection mirror connected to the high reflectivity facet, the optical modulator, and the SOA in series, wherein a Bragg resonator is formed by the Bragg reflecting mirror and the high reflectivity facet.
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: September 29, 2015
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyun Soo Kim, Dong-Hun Lee, Mi-Ran Park, Byung-Seok Choi, Kisoo Kim, O-Kyun Kwon
  • Publication number: 20150236473
    Abstract: Disclosed is an optical source device. The optical source device includes: a mode converter configured to be optically coupled with an optical fiber; a semiconductor optical amplifier coupled with the mode converter, and configured to amplify an optical signal input through the optical fiber; and an electro absorption modulator coupled to the optical amplifier, and configured to modulate the amplified optical signal and output the modulated optical signal, in which each of the semiconductor optical amplifier and the optical absorption modulator includes a heater.
    Type: Application
    Filed: February 11, 2015
    Publication date: August 20, 2015
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Dong Hun LEE, Jong Sool JEONG, Ki Soo KIM, Hyun Soo KIM, Mi Ran PARK, O Kyun KWON
  • Publication number: 20150236797
    Abstract: Disclosed are a method and an apparatus for selecting a wavelength by a wavelength tunable optical receiver. The method of selecting a wavelength of a wavelength tunable optical receiver includes: receiving, by the wavelength tunable optical receiver, an optical signal from a wavelength tunable optical transmitter; filtering, by the wavelength tunable optical receiver, the optical signal through a low frequency band electrical signal filter, and obtaining a low frequency signal; determining, by the wavelength tunable optical receiver, whether the low frequency signal is a valid signal based on a current value of the low frequency signal; and when the low frequency signal is the valid signal, obtaining, by the wavelength tunable optical receiver, an enable condition of a wavelength tunable optical filter through which the low frequency signal is selected, in which the low frequency signal includes a control/monitoring signal.
    Type: Application
    Filed: February 11, 2015
    Publication date: August 20, 2015
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jong Sool JEONG, Dong Hun LEE, Mi Ran PARK, Byung Seok CHOI, Hyun Soo KIM, O Kyun KWON
  • Patent number: 9042686
    Abstract: Disclosed are an optical waveguide platform with integrated active transmission device and monitoring photodiode. The optical waveguide platform with hybrid integrated optical transmission device and optical active device includes an optical waveguide region formed by stacking a lower cladding layer, a core layer and an upper cladding layer on a substrate; a trench region formed by etching a portion of the optical waveguide region; and a spot expanding region formed on the core layer in the optical waveguide region, in which the optical transmission device is mounted in the trench region and the optical active device is flip-chip bonded to the spot expanding region. The monitoring photodiode is flip-chip bonded to the spot expanding region of the core layer of the optical waveguide, thereby monitoring output light including an optical coupling loss that occurs during flip-chip bonding.
    Type: Grant
    Filed: June 4, 2012
    Date of Patent: May 26, 2015
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyun Soo Kim, Jong Sool Jeong, Mi-Ran Park, Byungseok Choi, O-Kyun Kwon
  • Publication number: 20150125159
    Abstract: Provided is a reflective colorless optical transmitter receiving a carrier signal, which is a continuous wave, and outputting a modulated optical signal. The reflective colorless optical transmitter includes a semiconductor optical amplifier (SOA) amplifying an input optical signal allowing the input optical signal to have a gain, an optical modulator connected to the SOA and outputting a modulated optical signal, a high reflectivity facet reflecting the modulated optical signal from the optical modulator, and a Bragg reflection mirror connected to the high reflectivity facet, the optical modulator, and the SOA in series, wherein a Bragg resonator is formed by the Bragg reflecting mirror and the high reflectivity facet.
    Type: Application
    Filed: April 22, 2014
    Publication date: May 7, 2015
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Hyun Soo KIM, Dong-Hun LEE, Mi-Ran PARK, Byung-Seok CHOI, Kisoo KIM, O-Kyun KWON
  • Patent number: 8999744
    Abstract: Provided are an avalanche photodiode and a method of fabricating the same. The method of fabricating the avalanche photodiode includes sequentially forming a compound semiconductor absorption layer, a compound semiconductor grading layer, a charge sheet layer, a compound semiconductor amplification layer, a selective wet etch layer, and a p-type conductive layer on an n-type substrate through a metal organic chemical vapor deposition process.
    Type: Grant
    Filed: March 20, 2014
    Date of Patent: April 7, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Mi-Ran Park, O-Kyun Kwon
  • Publication number: 20150063832
    Abstract: Disclosed is a multi-channel receiver optical sub assembly. The a multi-channel receiver optical sub assembly includes: a multi-channel PD array, in which a plurality of photodiodes (PDs) disposed on a first capacitor, and including receiving areas disposed at centers thereof and anode electrode pads arranged in an opposite direction at an angle of 180 degrees based on the receiving areas between the adjacent PDs is monolithically integrated; a plurality of transimpedance amplifiers (TIAs) arranged on a plurality of second capacitors, respectively, and connected with the anode pads of the respective PDs through wire bonding; a submount on which the first capacitor.
    Type: Application
    Filed: August 28, 2013
    Publication date: March 5, 2015
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Mi-Ran PARK, Jong Sool JEONG, Hyun Soo KIM, Byungseok CHOI, Young Tak HAN, O-Kyun KWON
  • Patent number: 8971710
    Abstract: The present disclosure relates to an optical line terminal, the disclosure includes: an optical transmitter for generating a low speed downstream optical signal; a wavelength-multiplexer for wavelength-multiplexing the downstream optical signal; a first optical power branching tap coupler for allowing wavelength-multiplexed downstream optical signal to branch off; a wavelength band separator/coupler for separating between the wavelength-multiplexed downstream optical signal and a wavelength-multiplexed upstream optical signal; a circulation type wavelength-demultiplexer for wavelength-demultiplexing a downstream optical signal branched off by the first optical power branching tap coupler and an upstream optical signal separated by the wavelength band separator/coupler; an optical receiver for outputting a downstream electrical signal by using the wavelength-demultiplexed optical signal; and a signal processing module for controlling an optical power and a wavelength of the optical transmitter according to a s
    Type: Grant
    Filed: January 11, 2013
    Date of Patent: March 3, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jong Sool Jeong, Hyun Soo Kim, Byungseok Choi, Mi-Ran Park, O-Kyun Kwon