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).
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Patent number: 11956996Abstract: A display panel includes a substrate having a first area in which first pixels are disposed and a second area in which second pixels and a light-transmitting area disposed between the second pixels are disposed, and a polarizing plate disposed above the light-transmitting area and including a light-transmitting pattern having a light transmittance higher than that of the remaining area, wherein the substrate includes a high-transmission area having a higher light transmittance than the remaining portion in a position corresponding to the second area.Type: GrantFiled: June 17, 2021Date of Patent: April 9, 2024Assignee: LG DISPLAY CO., LTD.Inventors: Jung Hun Choi, Sung Jin Park, Mi Ran Rim, Min Ha Kang
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Publication number: 20240109595Abstract: A frame structure for a vehicle includes: an inner panel connected to a side member and defining an inner side of a rear part of the side member; an outer panel connected to a rear side of the side member and coupled to an outer side of the inner panel defining a closed cross-section together with the inner panel and defining an outer side of the rear part of the side member; an opening portion formed below the inner and outer panels partially opening the closed cross-section so that a front end of a rear suspension arm can be inserted into the opening portion; and a reinforcing member disposed in the opening portion defining the closed cross-section together with the outer panel and the inner panel and configured to close an internal space in the outer and inner panels.Type: ApplicationFiled: January 25, 2023Publication date: April 4, 2024Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Won Hae Lee, Nam Ho Kim, Mi Ran Park, Ha Yeon Kwon, Byung Joo Chung, Seung Hak Lee, Min Seok Kim
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Patent number: 10195149Abstract: 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: GrantFiled: May 15, 2014Date of Patent: February 5, 2019Assignee: CJ HEALTHCARE CORPORATIONInventors: Yi Mi Kim, Sun Kyung Lim, Mi Ran Park, Young Joon Park, Seung Hee Baek, Hyun Woo Shin
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Publication number: 20180039033Abstract: 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: ApplicationFiled: October 17, 2017Publication date: February 8, 2018Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Mi Ran PARK, O Kyun KWON, Hyun Soo KIM, Jong Sool JEONG
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Patent number: 9526699Abstract: 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: GrantFiled: November 3, 2006Date of Patent: December 27, 2016Assignee: KISTInventors: Soo-Chang Song, Sun-Mi Lee, Chang-Won Kim, Mi-Ran Park
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Patent number: 9477013Abstract: 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: GrantFiled: February 11, 2015Date of Patent: October 25, 2016Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Dong Hun Lee, Jong Sool Jeong, Ki Soo Kim, Hyun Soo Kim, Mi Ran Park, O Kyun Kwon
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Publication number: 20160279071Abstract: 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: ApplicationFiled: October 30, 2014Publication date: September 29, 2016Inventors: Mi Ran PARK, So Yi LEE, Dong Woon CHOE, Hyun Soo KIM, Jun Ho SHIN
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Patent number: 9420357Abstract: 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: GrantFiled: February 11, 2015Date of Patent: August 16, 2016Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Jong Sool Jeong, Dong Hun Lee, Mi Ran Park, Byung Seok Choi, Hyun Soo Kim, O Kyun Kwon
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Publication number: 20160062061Abstract: 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: ApplicationFiled: August 31, 2015Publication date: March 3, 2016Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Mi Ran PARK, O Kyun KWON, Hyun Soo KIM, Jong Sool JEONG
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Patent number: 9229183Abstract: 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: GrantFiled: August 28, 2013Date of Patent: January 5, 2016Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Mi-Ran Park, Jong Sool Jeong, Hyun Soo Kim, Byungseok Choi, Young Tak Han, O-Kyun Kwon
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Patent number: 9148227Abstract: 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: GrantFiled: April 22, 2014Date of Patent: September 29, 2015Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Hyun Soo Kim, Dong-Hun Lee, Mi-Ran Park, Byung-Seok Choi, Kisoo Kim, O-Kyun Kwon
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Publication number: 20150236473Abstract: 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: ApplicationFiled: February 11, 2015Publication date: August 20, 2015Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Dong Hun LEE, Jong Sool JEONG, Ki Soo KIM, Hyun Soo KIM, Mi Ran PARK, O Kyun KWON
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Publication number: 20150236797Abstract: 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: ApplicationFiled: February 11, 2015Publication date: August 20, 2015Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Jong Sool JEONG, Dong Hun LEE, Mi Ran PARK, Byung Seok CHOI, Hyun Soo KIM, O Kyun KWON
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Patent number: 9042686Abstract: 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: GrantFiled: June 4, 2012Date of Patent: May 26, 2015Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Hyun Soo Kim, Jong Sool Jeong, Mi-Ran Park, Byungseok Choi, O-Kyun Kwon
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Publication number: 20150125159Abstract: 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: ApplicationFiled: April 22, 2014Publication date: May 7, 2015Applicant: Electronics and Telecommunications Research InstituteInventors: Hyun Soo KIM, Dong-Hun LEE, Mi-Ran PARK, Byung-Seok CHOI, Kisoo KIM, O-Kyun KWON
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Patent number: 8999744Abstract: 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: GrantFiled: March 20, 2014Date of Patent: April 7, 2015Assignee: Electronics and Telecommunications Research InstituteInventors: Mi-Ran Park, O-Kyun Kwon
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Publication number: 20150063832Abstract: 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: ApplicationFiled: August 28, 2013Publication date: March 5, 2015Applicant: Electronics and Telecommunications Research InstituteInventors: Mi-Ran PARK, Jong Sool JEONG, Hyun Soo KIM, Byungseok CHOI, Young Tak HAN, O-Kyun KWON
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Patent number: 8971710Abstract: 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 sType: GrantFiled: January 11, 2013Date of Patent: March 3, 2015Assignee: Electronics and Telecommunications Research InstituteInventors: Jong Sool Jeong, Hyun Soo Kim, Byungseok Choi, Mi-Ran Park, O-Kyun Kwon
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Patent number: 8926198Abstract: A multi-channel optical receiving module includes a first substrate disposed on a bench, optical fibers disposed in grooves of the first substrate, a first lens disposed on the first substrate and collimating optical signals through the optical fibers, a second substrate disposed on the bench at a side of the first substrate, a light receiving device disposed on the second substrate, a second lens disposed over the light receiving device, a mirror reflecting the optical signals between the first lens and the second lens, and a block fixing the mirror. The block includes through-holes transmitting the optical signals between the first and second lenses without refraction of the optical signals.Type: GrantFiled: July 11, 2013Date of Patent: January 6, 2015Assignee: Electronics and Telecommunications Research InstituteInventors: Mi-Ran Park, Hyun Soo Kim, Jong Sool Jeong, O-Kyun Kwon
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Publication number: 20140341997Abstract: 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: ApplicationFiled: May 15, 2014Publication date: November 20, 2014Applicant: CJ CHEILJEDANG CORPORATIONInventors: Yi Mi Kim, Sun Kyung Lim, Mi Ran Park, Young Joon Park, Seung Hee Baek, Hyun Woo Shin