Patents by Inventor In Sik SIM
In Sik SIM 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: 11937440Abstract: The present invention may provide an organic electroluminescent device which exhibits low driving voltage as well as high efficiency by including an electron transporting layer material having an improved electron transporting ability.Type: GrantFiled: July 5, 2018Date of Patent: March 19, 2024Assignee: SOLUS ADVANCED MATERIALS CO., LTD.Inventors: Song Ie Han, Min Sik Eum, Jae Yi Sim, Yong Hwan Lee, Woo Jae Park, Tae Hyung Kim
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Publication number: 20240074249Abstract: The present disclosure relates to a display device and a manufacturing method thereof, and a display device according to one or more embodiments includes a substrate, a transistor above the substrate, a first pixel electrode connected to the transistor, a scattering layer above the first pixel electrode, and defining repeating protrusions and depressions, a second pixel electrode above the scattering layer, and connected with the first pixel electrode, an emission layer above the second pixel electrode, and a common electrode above the emission layer.Type: ApplicationFiled: August 22, 2023Publication date: February 29, 2024Inventors: Yang-Ho JUNG, Woong Sik KIM, Kab Jong SEO, Jun Ho SIM, Jae Hun LEE
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Patent number: 11917910Abstract: The present invention relates to a novel organic compound and an organic electroluminescent device using the same, and more particularly, to a novel compound having excellent electron transport capability and light emitting capability, and an organic electroluminescent device improved in terms of luminous efficiency, driving voltage, lifespan, etc. by including the novel compound in one or more organic layers.Type: GrantFiled: May 18, 2018Date of Patent: February 27, 2024Assignee: SOLUS ADVANCED MATERIALS CO., LTD.Inventors: Yong Hwan Lee, Min Sik Eum, Jae Yi Sim, Woo Jae Park, Song Ie Han
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Patent number: 11518875Abstract: A thermoplastic resin composition according to the present invention comprises: a rubber-modified aromatic vinyl-based copolymer resin; an aliphatic polyamide resin; a poly(ether ester amide) block copolymer; a modified polyolefin resin; and a heat resistant vinyl-based copolymer resin. The thermoplastic resin composition exhibits excellent anti-static properties, heat resistance and mechanical properties.Type: GrantFiled: August 14, 2018Date of Patent: December 6, 2022Assignee: Lotte Chemical CorporationInventors: In Sik Sim, Yoen Kyoung Kim, Cheon Seok Yang, Ju Sung Kim, Seung Yong Bae
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Publication number: 20200354561Abstract: A thermoplastic resin composition according to the present invention comprises: a rubber-modified aromatic vinyl-based copolymer resin; an aliphatic polyamide resin; a poly(ether ester amide) block copolymer; a modified polyolefin resin; and a heat resistant vinyl-based copolymer resin. The thermoplastic resin composition exhibits excellent anti-static properties, heat resistance and mechanical properties.Type: ApplicationFiled: August 14, 2018Publication date: November 12, 2020Inventors: In Sik SIM, Yoen Kyoung KIM, Cheon Seok YANG, Ju Sung KIM, Seung Yong BAE
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Publication number: 20200313022Abstract: Provided is a single photon detector. The single photo detector includes a substrate of a first conductivity type, a light absorption layer on the substrate, a grading layer and an electric field buffer layer sequentially stacked on the light absorption layer, an impurity region of a second conductivity type disposed in the electric field buffer layer and opposite the first conductivity type, a first electrode disposed on the electric field buffer layer and electrically connected to the impurity region, a reflective layer disposed between the light absorption layer and the substrate, and a second electrode disposed below the substrate and electrically connected to the substrate.Type: ApplicationFiled: December 4, 2019Publication date: October 1, 2020Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventor: Jae-Sik SIM
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Patent number: 10763969Abstract: An embodiment of the inventive concept includes an optical signal generating circuit, a controlling circuit, a waveform shaping circuit, and an output circuit. The optical signal generating circuit generates a first optical signal including pulses. The controlling circuit generates a control signal indicating a first pulse to be attenuated in magnitude among the pulses. The waveform shaping circuit attenuates a magnitude of the first pulse based on the control signal and the first optical signal, and generates a second optical signal including pulses corresponding to the pulses included in the first optical signal and the first pulse having the attenuated magnitude. The output circuit outputs an electric signal of bands corresponding to differences between frequencies of the pulses included in the second optical signal based on the second optical signal. A band corresponding to the first pulse among the bands of the electric signal is adjusted as the magnitude of the first pulse is attenuated.Type: GrantFiled: June 12, 2019Date of Patent: September 1, 2020Assignee: Electronics and Telecommunications Research InstituteInventors: Sungil Kim, Jung Min Park, Minje Song, Minhyup Song, Jae-Sik Sim, Joon Tae Ahn
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Patent number: 10658538Abstract: Provided is an optical detection device including a first ohmic contact layer of a first conductivity type, a second ohmic contact layer of a second conductivity type, and first and second mesa structures stacked between the first and second ohmic contact layers. The first mesa structure includes an electric field buffer layer; and a diffusion layer formed in the electric field buffer layer. The second mesa structure includes a light absorbing layer and a grading layer on the light absorbing layer.Type: GrantFiled: April 18, 2018Date of Patent: May 19, 2020Assignee: Electronics and Telecommunications Research InstituteInventors: Jae-Sik Sim, Kisoo Kim, Won Seok Han
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Patent number: 10538843Abstract: A vaporizer includes a main body including a first body and a second body. The first body has an upper portion narrowing in a direction of a height of the first body and the second body has a cavity in which the first body is positioned. A mixing chamber is between the first and second bodies. The second body includes a carrier gas injection path connected to a carrier gas inlet formed in an upper portion of the mixing chamber. The carrier gas injection path carries a carrier gas. A source material injection path is connected to a source material inlet formed in the mixing chamber. The source material injection path carries a liquid source material. A discharge is connected to an outlet formed in a lower portion of the mixing chamber. A mixed fluid including the carrier gas and the liquid source material is discharged through the discharge path.Type: GrantFiled: December 20, 2016Date of Patent: January 21, 2020Assignees: SAMSUNG ELECTRONICS CO., LTD., HORIBA STEC, CO., LTD.Inventors: Hyun-Sik Sim, Jung-Suk Oh, Jae-Seok Kim, Ho-Gon Kim, Jun-Won Lee, Hyuk-Yul Choi, Hyung-Ho Kim, Sang-Jin Choi, Heok-Jae Lee, Dong-Ok Shin, Jang-Hyoun Youm, Ichiro Nishikawa, Masanori Terasaka, Masashi Hamada, Tae-Hoon Lee
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Publication number: 20190379459Abstract: An embodiment of the inventive concept includes an optical signal generating circuit, a controlling circuit, a waveform shaping circuit, and an output circuit. The optical signal generating circuit generates a first optical signal including pulses. The controlling circuit generates a control signal indicating a first pulse to be attenuated in magnitude among the pulses. The waveform shaping circuit attenuates a magnitude of the first pulse based on the control signal and the first optical signal, and generates a second optical signal including pulses corresponding to the pulses included in the first optical signal and the first pulse having the attenuated magnitude. The output circuit outputs an electric signal of bands corresponding to differences between frequencies of the pulses included in the second optical signal based on the second optical signal. A band corresponding to the first pulse among the bands of the electric signal is adjusted as the magnitude of the first pulse is attenuated.Type: ApplicationFiled: June 12, 2019Publication date: December 12, 2019Applicant: Electronics and Telecommunications Research InstituteInventors: Sungil KIM, Jung Min PARK, Minje SONG, minhyup SONG, Jae-Sik SIM, Joon Tae AHN
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Patent number: 10454523Abstract: A radio frequency signal generation device may include an optical comb generator configured to generate an optical comb signal including a plurality of first wavelength signals having different wavelengths; a pulse shaper configured to attenuate remaining wavelength signals excluding a plurality of second wavelength signals among the plurality of first wavelength signals; an optical-electronic converter configured to generate a radio frequency signal including a carrier frequency signal from the plurality of second wavelength signals outputted from the pulse shaper; and a pulse shaping controller configured to control the pulse shaper such that a carrier frequency of the carrier frequency signal varies according to a frequency hopping pattern.Type: GrantFiled: October 16, 2018Date of Patent: October 22, 2019Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Sungil Kim, Jung Min Park, Minje Song, Minhyup Song, Jae-Sik Sim, Joon Tae Ahn
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Publication number: 20180309011Abstract: Provided is an optical detection device including a first ohmic contact layer of a first conductivity type, a second ohmic contact layer of a second conductivity type, and first and second mesa structures stacked between the first and second ohmic contact layers. The first mesa structure includes an electric field buffer layer; and a diffusion layer formed in the electric field buffer layer. The second mesa structure includes a light absorbing layer and a grading layer on the light absorbing layer.Type: ApplicationFiled: April 18, 2018Publication date: October 25, 2018Applicant: Electronics and Telecommunications Research InstituteInventors: Jae-Sik SIM, Kisoo KIM, Won Seok HAN
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Patent number: 9857472Abstract: Provided is a laser radar system. The laser radar system includes a first transmission and reception unit sequentially radiating a first laser beam to a plurality of locations within a first view range and receiving a reflected light; and a second transmission and reception unit sequentially radiating a second laser beam to a plurality of locations within a second view range and receiving a reflected light, wherein each of the first transmission and reception unit and the second transmission and reception unit is fixed to a loader and independently searches for the first view range and the second view range.Type: GrantFiled: July 1, 2014Date of Patent: January 2, 2018Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Bongki Mheen, Myoungsook Oh, Jae-Sik Sim, Jung-Ho Song, Hong-Seok Seo, Minhyup Song
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Patent number: 9791570Abstract: Disclosed is a laser radar apparatus. The laser radar apparatus includes: a light transmission unit configured to output a laser pulse by using a light source; a light reception unit configured to receive a reflected laser pulse in connection with the laser pulse; and a controller configured to adjust a repetition rate of the laser pulse of the light source, in which the controller adjusts the repetition rate of the laser pulse based on at least one of reception power, a target distance, a movement speed, a vertical angle, and a radiation angle.Type: GrantFiled: February 10, 2015Date of Patent: October 17, 2017Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Hong Seok Seo, Bong Ki Mheen, Myoung Sook Oh, Jae Sik Sim, Jung Ho Song, Min Hyup Song
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Publication number: 20170241015Abstract: A vaporizer includes a main body including a first body and a second body. The first body has an upper portion narrowing in a direction of a height of the first body and the second body has a cavity in which the first body is positioned. A mixing chamber is between the first and second bodies. The second body includes a carrier gas injection path connected to a carrier gas inlet formed in an upper portion of the mixing chamber. The carrier gas injection path carries a carrier gas. A source material injection path is connected to a source material inlet formed in the mixing chamber. The source material injection path carries a liquid source material. A discharge is connected to an outlet formed in a lower portion of the mixing chamber. A mixed fluid including the carrier gas and the liquid source material is discharged through the discharge path.Type: ApplicationFiled: December 20, 2016Publication date: August 24, 2017Applicant: HORIBA STEC, CO., LTD.Inventors: HYUN-SIK SIM, JUNG-SUK OH, JAE-SEOK KIM, HO-GON KIM, JUN-WON LEE, HYUK-YUL CHOI, HYUNG-HO KIM, SANG-JIN CHOI, HEOK-JAE LEE, DONG-OK SHIN, JANG-HYOUN YOUM, ICHIRO NISHIKAWA, MASANORI TERASAKA, MASASHI HAMADA, TAE-HOON LEE
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Patent number: 9733344Abstract: Provided herein a laser radar apparatus including a plurality of light transmission and reception modules arranged concavely in an opposite direction to a scanning direction based on a surface vertical to the scanning direction, wherein each of the plurality of light transmission and reception modules comprises a transmitter configured to deflect a laser beam and to irradiate the deflected laser beam to a target; and a receiver configured to receive the laser beam reflected from the target.Type: GrantFiled: October 17, 2014Date of Patent: August 15, 2017Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Jae Sik Sim, Ki Soo Kim, Bong Ki Mheen, Myoung Sook Oh, Hong Seok Seo, Jung Ho Song, Yong Hwan Kwon, Dong Sun Kim, Min Hyup Song, Gyu Dong Choi
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Patent number: 9549102Abstract: Disclosed are a method and an apparatus for implementing an active imaging system. A method of obtaining an image in an active imaging system including: dividing an imaging region, and determining a plurality of divided imaging regions; scanning each of the plurality of divided imaging regions based on a laser; collecting reflected light for each of the plurality of divided imaging regions, and generating a plurality of divided images by an image sensor; and generating a whole image for the imaging region based on the plurality of divided images.Type: GrantFiled: January 30, 2015Date of Patent: January 17, 2017Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Jung Ho Song, Bong Ki Mheen, Myoung Sook Oh, Yong Hwan Kwon, Dong Sun Kim, Hong Seok Seo, Min Hyup Song, Jae Sik Sim
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Patent number: 9403980Abstract: A polyamide resin composition includes (A) a polyamide resin in an amount of about 30 to about 80% by weight, (B) inorganic filler in an amount of about 10 to about 60% by weight, (C) white pigment in an amount of about 5 to about 50% by weight; and (D) photostabilizer in an amount of about 0.05 to about 2 parts by weight and (E) inorganic fine particles in an amount of about 0.05 to about 3 parts by weight, wherein each of (D) and (E) is based on about 100 parts by weight of the polyamide resin (A). The polyamide resin composition can have good light reflectance and yellowing resistance.Type: GrantFiled: March 28, 2013Date of Patent: August 2, 2016Assignee: Cheil Industries Inc.Inventors: Sang Hwa Lee, Jong Cheol Lim, In Sik Sim, Pil Ho Kim
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Patent number: 9234964Abstract: Disclosed are a laser radar system and a method for acquiring an image of a target, and the laser radar system includes: a beam source to emit the laser beam; a beam deflector disposed between the beam source and the target, and configured to deflect the laser beam emitted from the beam source in a scanning direction of the target as time elapses; and an optical detector configured to detect the laser beam reflected from the target, which is provided a plurality of beam spots having a diameter DRBS; and a receiving optical system disposed between the target and the optical detector and configured to converge the laser beam reflected from the target, and the optical detector includes a detecting area having a diameter DDA that satisfies an equation of ?{square root over (2)}×PRBS+2×DRBS?DDA?2×Dlens and an equation of (4/?)×?×F_number<DRBS<Dlens.Type: GrantFiled: June 12, 2013Date of Patent: January 12, 2016Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Bongki Mheen, MyoungSook Oh, Kisoo Kim, Jae-Sik Sim, Yong-Hwan Kwon, Eun Soo Nam
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Publication number: 20150381962Abstract: Disclosed are a method and an apparatus for implementing an active imaging system. A method of obtaining an image in an active imaging system including: dividing an imaging region, and determining a plurality of divided imaging regions; scanning each of the plurality of divided imaging regions based on a laser; collecting reflected light for each of the plurality of divided imaging regions, and generating a plurality of divided images by an image sensor; and generating a whole image for the imaging region based on the plurality of divided images.Type: ApplicationFiled: January 30, 2015Publication date: December 31, 2015Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Jung Ho SONG, Bong Ki MHEEN, Myoung Sook OH, Yong Hwan KWON, Dong Sun KIM, Hong Seok SEO, Min Hyup SONG, Jae Sik SIM