Patents by Inventor Seong Wook Choi
Seong Wook Choi 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: 11640798Abstract: A display device comprises a display panel including a plurality of sub-pixels defined by a plurality of gate lines and a plurality of data lines; and an auxiliary ground voltage line disposed between two adjacent data lines of the plurality of data lines.Type: GrantFiled: December 16, 2021Date of Patent: May 2, 2023Assignee: LG DISPLAY CO., LTD.Inventors: Seong-Wook Choi, Jin-Uk Lee
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Patent number: 11505315Abstract: The flying object according to one embodiment comprises: a main body; a main wing formed on a side surface of the main body; a duct-shaped first propulsion part which is provided outside the main wing and can be tilted; a second propulsion part arranged behind the main body; horizontal tail wings formed on both side surfaces of the second propulsion part; and a control part for controlling the movement of the first propulsion part, second propulsion part, and horizontal tail wings, wherein the control part controls the second propulsion part and the horizontal tail wings according to the tilt angle of the first propulsion part.Type: GrantFiled: April 12, 2019Date of Patent: November 22, 2022Inventors: Sung Ho Chang, Yu Shin Kim, Seong Wook Choi, Young Shin Kang, Am Cho
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Publication number: 20220321226Abstract: Provided are a subminiature optical transmission module and a method for manufacturing same. The optical transmission module includes: a mold body having a first surface and a second surface opposite to each other; multiple edge-type light emitting elements, each of which is molded inside the mold body by fitting same to the first surface so as to match with the first surface and generates an optical signal in the edge direction of a chip; and an optical component disposed on one side thereof so as to optically multiplex multiple optical signals incident from the multiple edge-type light emitting elements and to output same, wherein the identical height is configured between the surface of each light emitting element and the optical axis of the optical component, and the edge direction of the chip is parallel to the first surface of the mold body.Type: ApplicationFiled: September 21, 2020Publication date: October 6, 2022Inventors: Seong Wook CHOI, Young June PARK
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Publication number: 20220236500Abstract: Provided is a connector plug includes: an optical device module having an optical engine that generates an optical signal or receives an optical signal; an optical fiber alignment guide member having an optical fiber insertion channel formed on one surface of the optical device module so that optical fibers are seated; and an optical component that is seated in an optical component alignment guide groove formed adjacent to the optical fiber alignment guide member on one surface of the optical device module, wherein the optical engine includes an optical device which is formed adjacent to the optical component on one surface of the optical device module, and which radiates an optical signal or receives an optical signal in the horizontal direction, and an optical integrated circuit (IC) installed in the optical device module and controlling the optical device.Type: ApplicationFiled: May 13, 2020Publication date: July 28, 2022Inventor: Seong Wook CHOI
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Publication number: 20220208124Abstract: A display device comprises a display panel including a plurality of sub-pixels defined by a plurality of gate lines and a plurality of data lines; and an auxiliary ground voltage line disposed between two adjacent data lines of the plurality of data lines.Type: ApplicationFiled: December 16, 2021Publication date: June 30, 2022Applicant: LG DISPLAY CO., LTD.Inventors: Seong-Wook CHOI, Jin-Uk LEE
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Publication number: 20210009264Abstract: The flying object according to one embodiment comprises: a main body; a main wing formed on a side surface of the main body; a duct-shaped first propulsion part which is provided outside the main wing and can be tilted; a second propulsion part arranged behind the main body; horizontal tail wings formed on both side surfaces of the second propulsion part; and a control part for controlling the movement of the first propulsion part, second propulsion part, and horizontal tail wings, wherein the control part controls the second propulsion part and the horizontal tail wings according to the tilt angle of the first propulsion part.Type: ApplicationFiled: April 12, 2019Publication date: January 14, 2021Inventors: Sung Ho Chang, Yu Shin Kim, Seong Wook Choi, Young Shin Kang, Am Cho
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Patent number: 10640207Abstract: A tilt-prop aircraft is configured to operate in a vertical take-off and landing (VTOL) mode or a forward flight mode by adjusting a tilt angle of a rotor connected to a wing. The tilt-prop aircraft includes: a blade included in the rotor and configured to rotate to produce lift and thrust; and a tilt center shaft configured to connect the rotor and the wing to each other and adjust the tilt angle of the rotor with respect to a flight plane of the tilt-prop aircraft, wherein when the tilt angle of the rotor is adjusted, a pitch angle of the blade is varied by a power transmission unit mechanically interlocked with the tilt center shaft.Type: GrantFiled: November 22, 2017Date of Patent: May 5, 2020Assignee: KOREA AEROSPACE RESEARCH INSTITUTEInventors: Myeong Kyu Lee, Seong Wook Choi, Deog-Kwan Kim
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Patent number: 10338717Abstract: The present disclosure describes a liquid crystal display device including: a substrate including first and second touch blocks adjacent to each other, the first and second touch blocks including first and second sub-pixels, respectively; a first electrode in each of the first and second sub-pixels; a second electrode in each of the first and second touch blocks, such that the second electrode of the first touch block and the second electrode of the second touch block are separated from each other; first and second data lines disposed at side portions of the first and second sub-pixels, respectively; and a field blocking line between the first and second sub-pixels, wherein the first and second sub-pixels face into each other between the first and second touch blocks.Type: GrantFiled: December 17, 2018Date of Patent: July 2, 2019Assignee: LG DISPLAY CO., LTD.Inventors: Seong-Wook Choi, Hyun-Gi Shin
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Patent number: 10295519Abstract: A sensing system according to the embodiment of the present invention includes an optical actuator configured to apply an optical stimulus into a detection target substance, a photo detector configured to output an electrical signal having a snapback form in response to an optical response generated according to a concentration of the detection target substance to which the optical stimulus is applied, an amplifier configured to amplify the electrical signal output from the photo detector and to provide the amplified electrical signal as positive feedback to the optical actuator, and a detection unit configured to detect the detection target substance in response to the electrical signal.Type: GrantFiled: October 28, 2014Date of Patent: May 21, 2019Assignees: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, SEOUL VIOSYS CO., LTD.Inventors: Young June Park, Seong Wook Choi, Sang Woo Lee
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Publication number: 20190121480Abstract: The present disclosure describes a liquid crystal display device including: a substrate including first and second touch blocks adjacent to each other, the first and second touch blocks including first and second sub-pixels, respectively; a first electrode in each of the first and second sub-pixels; a second electrode in each of the first and second touch blocks, such that the second electrode of the first touch block and the second electrode of the second touch block are separated from each other; first and second data lines disposed at side portions of the first and second sub-pixels, respectively; and a field blocking line between the first and second sub-pixels, wherein the first and second sub-pixels face into each other between the first and second touch blocks.Type: ApplicationFiled: December 17, 2018Publication date: April 25, 2019Inventors: Seong-Wook Choi, Hyun-Gi Shin
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Patent number: 10191575Abstract: The present disclosure describes a liquid crystal display device including: a substrate including first and second touch blocks adjacent to each other, the first and second touch blocks including first and second sub-pixels, respectively; a first electrode in each of the first and second sub-pixels; a second electrode in each of the first and second touch blocks, such that the second electrode of the first touch block and the second electrode of the second touch block are separated from each other; first and second data lines disposed at side portions of the first and second sub-pixels, respectively; and a field blocking line between the first and second sub-pixels, wherein the first and second sub-pixels face into each other between the first and second touch blocks.Type: GrantFiled: December 15, 2016Date of Patent: January 29, 2019Assignee: LG DISPLAY CO., LTD.Inventors: Seong-Wook Choi, Hyun-Gi Shin
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Publication number: 20180188201Abstract: A bio-sensor according to embodiments of the present invention is a bio-sensor configured to detect a specific target; the bio-sensor includes a substrate, a first electrode and a second electrode disposed on the substrate and not electrically connected to each other, and probes disposed on the substrate, the first electrode, and the second electrode and coupled to the target.Type: ApplicationFiled: June 22, 2016Publication date: July 5, 2018Inventors: Young June Park, Seong Wook Choi
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Publication number: 20180155019Abstract: A tilt-prop aircraft is configured to operate in a vertical take-off and landing (VTOL) mode or a forward flight mode by adjusting a tilt angle of a rotor connected to a wing. The tilt-prop aircraft includes: a blade included in the rotor and configured to rotate to produce lift and thrust; and a tilt center shaft configured to connect the rotor and the wing to each other and adjust the tilt angle of the rotor with respect to a flight plane of the tilt-prop aircraft, wherein when the tilt angle of the rotor is adjusted, a pitch angle of the blade is varied by a power transmission unit mechanically interlocked with the tilt center shaft.Type: ApplicationFiled: November 22, 2017Publication date: June 7, 2018Applicant: KOREA AEROSPACE RESEARCH INSTITUTEInventors: Myeong Kyu LEE, Seong Wook CHOI, Deog-Kwan KIM
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Patent number: 9816858Abstract: Disclosed is a sensing system including an actuator configured to provide a stimulus to a detection-target material, a photo-detector configured to output an electrical signal having a snapback (SB) form corresponding to an optical reaction brought about according to the concentration of the detection-target material to which the stimulus has been provided, an amplifier configured to amplify the electrical signal output from the photo-detector and positively feedback and apply the amplified electrical signal to the actuator, a detector configured to receive the electrical signal and detect the detection-target material, and a voltage clamping device connected in parallel with the photo-detector and configured to clamp a voltage at both ends of the photo-detector so that the voltage does not exceed a predetermined voltage value.Type: GrantFiled: March 9, 2016Date of Patent: November 14, 2017Assignee: GIPARANG CO., LTD.Inventors: Seong Wook Choi, Young June Park, Young Jun Hwang
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Publication number: 20170192570Abstract: The present disclosure describes a liquid crystal display device including: a substrate including first and second touch blocks adjacent to each other, the first and second touch blocks including first and second sub-pixels, respectively; a first electrode in each of the first and second sub-pixels; a second electrode in each of the first and second touch blocks, such that the second electrode of the first touch block and the second electrode of the second touch block are separated from each other; first and second data lines disposed at side portions of the first and second sub-pixels, respectively; and a field blocking line between the first and second sub-pixels, wherein the first and second sub-pixels face into each other between the first and second touch blocks.Type: ApplicationFiled: December 15, 2016Publication date: July 6, 2017Inventors: Seong-Wook Choi, Hyun-Gi Shin
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Patent number: 9559230Abstract: Disclosed are a solar cell and a method for manufacturing the same. The solar cell comprises asymmetric nanowires each of which has an angled sidewall, and thus incident light can be concentrated at a p-n junction portion by means of a total reflection phenomenon of light caused by the difference between the refractive indices of a semiconductor layer and a transparent electrode layer, and light absorption may increase due to an increase in the light travel distance, thus improving photoelectric efficiency. Further, the method for manufacturing the solar cell involves etching a substrate and integrally forming the substrate and a p-type semiconductor layer including the asymmetric nanowires each of which has the angled sidewalls, thereby enabling reduced manufacturing costs and simple and easy manufacture of the nanowires having the angled sidewalls.Type: GrantFiled: August 17, 2012Date of Patent: January 31, 2017Assignee: POSTECH ACADEMY—INDUSTRY FOUNDATIONInventors: Chang Ki Baek, Yoon Ha Jeong, Seong Wook Choi, Tai Uk Rim, Soo Young Park, Myung Dong Ko
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Publication number: 20160273962Abstract: Disclosed is a sensing system including an actuator configured to provide a stimulus to a detection-target material, a photo-detector configured to output an electrical signal having a snapback (SB) form corresponding to an optical reaction brought about according to the concentration of the detection-target material to which the stimulus has been provided, an amplifier configured to amplify the electrical signal output from the photo-detector and positively feedback and apply the amplified electrical signal to the actuator, a detector configured to receive the electrical signal and detect the detection-target material, and a voltage clamping device connected in parallel with the photo-detector and configured to clamp a voltage at both ends of the photo-detector so that the voltage does not exceed a predetermined voltage value.Type: ApplicationFiled: March 9, 2016Publication date: September 22, 2016Applicant: GIPARANG CO., LTD.Inventors: Seong Wook CHOI, Young June PARK, Young Jun HWANG
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Publication number: 20160238581Abstract: A sensing system according to the embodiment of the present invention includes an optical actuator configured to apply an optical stimulus into a detection target substance, a photo detector configured to output an electrical signal having a snapback form in response to an optical response generated according to a concentration of the detection target substance to which the optical stimulus is applied, an amplifier configured to amplify the electrical signal output from the photo detector and to provide the amplified electrical signal as positive feedback to the optical actuator, and a detection unit configured to detect the detection target substance in response to the electrical signal.Type: ApplicationFiled: October 28, 2014Publication date: August 18, 2016Applicants: Seoul National University R&DB Foundation, Seoul Viosys Co., Ltd.Inventors: Young June PARK, Seong Wook CHOI, Sang Woo LEE
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Publication number: 20140326305Abstract: Disclosed are a solar cell and a method for manufacturing the same. The solar cell comprises asymmetric nanowires each of which has an angled sidewall, and thus incident light can be concentrated at a p-n junction portion by means of a total reflection phenomenon of light caused by the difference between the refractive indices of a semiconductor layer and a transparent electrode layer, and light absorption may increase due to an increase in the light travel distance, thus improving photoelectric efficiency. Further, the method for manufacturing the solar cell involves etching a substrate and integrally forming the substrate and a p-type semiconductor layer including the asymmetric nanowires each of which has the angled sidewalls, thereby enabling reduced manufacturing costs and simple and easy manufacture of the nanowires having the angled sidewalls.Type: ApplicationFiled: August 17, 2012Publication date: November 6, 2014Inventors: Chang Ki Baek, Yoon Ha Jeong, Seong Wook Choi, Tai Uk Rim, Soo Young Park, Myung Dong Ko
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Patent number: 8699241Abstract: There is provided a switching mode power supply including: a direct current (DC)/DC converting unit converting a DC power level; an auxiliary power supply unit discharged in a no load mode in which a load is not connected to an output terminal of the DC/DC converting unit; and a controlling unit sensing a change in impedance according to whether or not the load is connected to the output terminal to thereby determine whether or not the switching mode power supply is in the no load mode, and driving a pulse width modulation integrated chip (PWM IC) when a voltage level of the auxiliary power supply unit is at a preset level or less in the no load mode.Type: GrantFiled: September 27, 2011Date of Patent: April 15, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Byoung Woo Ryu, Young Woon Choi, Seong Wook Choi