Patents by Inventor Gun Woo Park

Gun Woo 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: 20240125334
    Abstract: An air compressor according to an aspect of the present invention comprises: a housing; a rotating shaft which is disposed in the housing; a compression unit which is connected to the rotating shaft to compress and discharge inlet air; a motor unit which drives the rotating shaft; a control board which controls the motor unit; and a filter unit which filters out noise from external power and supplies the external power to the control board, wherein the housing includes a first cooling flow channel for cooling the motor unit and a second cooling flow channel for cooling the filter unit, and the first cooling flow channel communicates with the second cooling flow channel.
    Type: Application
    Filed: March 30, 2022
    Publication date: April 18, 2024
    Inventors: Kyu Sung CHOI, Hyun Chil KIM, Gun Woong PARK, Min Gyu PARK, Chi Yong PARK, Yeol Woo SUNG, Hyun Sup YANG, Jong Sung LEE
  • Publication number: 20240130164
    Abstract: A display device includes a substrate and a plurality of unit pixels disposed on the substrate. Each unit pixel includes a plurality of sub-pixels, a plurality of light sensing pixels, and a plurality of partition wall members. Each of the sub-pixels includes a light emitting element that emits light and a light emitting area from which the light is emitted. Each of the light sensing pixels includes a light receiving element that outputs a sensing signal corresponding to the light and a light receiving area that receives the light. In a plan view, each of the partition wall members surrounds the corresponding light receiving area and overlaps at least some of the sub-pixels.
    Type: Application
    Filed: July 17, 2023
    Publication date: April 18, 2024
    Inventors: Byung Han YOO, Jung Woo PARK, Tae Kyung AHN, Gun Hee KIM, Dae Young LEE
  • Publication number: 20240120813
    Abstract: Air compressor in which the arrangement structure between a filter part and a discharge resistor reduces interference between the filter part and the discharge resistor and increases the space utilization of the filter part, making the air compressor more compact. The air compressor comprises a housing with a rotary shaft disposed inside it; a compression part connected to the rotary shaft which compresses and discharges introduced air; a motor part driving the rotary shaft; a control board for controlling the motor part, and the filter part which filters noise of external power and supplies the external power to the control board, wherein the filter part includes a capacitor assembly connected to an external power source, a transistor connected to the control board, a current sensor assembly connected to the transistor, and a discharge resistor connected to the capacitor assembly and discharges the residual charge in the capacitor assembly.
    Type: Application
    Filed: April 11, 2022
    Publication date: April 11, 2024
    Inventors: Kyu Sung CHOI, Gun Woong PARK, Chi Yong PARK, Yeol Woo SUNG, Hyun Sup YANG
  • Publication number: 20240021923
    Abstract: In an embodiment a power apparatus includes a fuel cell configured to supply power to an inverter of a vehicle, a supercapacitor configured to assist the fuel cell, a bidirectional converter configured to charge and discharge the fuel cell and the supercapacitor and a controller configured to drive the vehicle by controlling the supercapacitor to be charged and discharged depending on a current required by the inverter for driving the vehicle and to assist the fuel cell.
    Type: Application
    Filed: November 7, 2022
    Publication date: January 18, 2024
    Inventors: Yong Hwi Lee, Young Woo Noh, Chung Wook Roh, Hee Seong Jeong, Dong Woo Kwon, Gun Woo Park, Kang Hyun Woo
  • Patent number: 11009790
    Abstract: A photoacid generator (PAG) and a photoresist composition, the PAG being represented by the following Chemical Formula (I): wherein, in Chemical Formula (I), L is sulfur (S) or iodine (I), R3 being omitted when L is I; R1, R2, and R3 are each independently a C1 to C10 alkyl, alkenyl, alkynyl, or alkoxy group that is unsubstituted or substituted with a heteroatom such that the heteroatom is pendant or is between the group and L, or a C6 to C18 aryl, arylalkyl, or alkylaryl group that is unsubstituted or substituted with a heteroatom such that the heteroatom is pendant or is between the group and L; AL is an acid-labile group; m is 1 to 4; and M is a C1 to C30 hydrocarbon group that is unsubstituted or substituted with a heteroatom such that the heteroatom is pendant or is between the group and a sulfur atom.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: May 18, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Suk-koo Hong, Kyoung-yong Cho, Hyo-sung Lee, Gum-hye Jeon, Mi-yeong Kang, Gun-woo Park
  • Publication number: 20180031967
    Abstract: A photoacid generator (PAG) and a photoresist composition, the PAG being represented by the following Chemical Formula (I): wherein, in Chemical Formula (I), L is sulfur (S) or iodine (I), R3 being omitted when L is I; R1, R2, and R3 are each independently a C1 to C10 alkyl, alkenyl, alkynyl, or alkoxy group that is unsubstituted or substituted with a heteroatom such that the heteroatom is pendant or is between the group and L, or a C6 to C18 aryl, arylalkyl, or alkylaryl group that is unsubstituted or substituted with a heteroatom such that the heteroatom is pendant or is between the group and L; AL is an acid-labile group; m is 1 to 4; and M is a C1 to C30 hydrocarbon group that is unsubstituted or substituted with a heteroatom such that the heteroatom is pendant or is between the group and a sulfur atom.
    Type: Application
    Filed: July 28, 2017
    Publication date: February 1, 2018
    Inventors: Suk-koo HONG, Kyoung-yong CHO, Hyo-sung LEE, Gum-hye JEON, Mi-yeong KANG, Gun-woo PARK
  • Publication number: 20150258585
    Abstract: Cleaning apparatuses for cleaning electronic components such as camera modules and electronics substrates are provided. The cleaning apparatuses have a plurality of processing zones and one or more conveyors for conveying an electronic component to each processing zone sequentially such that the electronic component is processed in-line by the processing zones. In one aspect, plasma is applied to the electronic component at atmospheric pressure at one of the processing zones. In another aspect, there is a plurality of separately controlled conveyors, and the electronic component is processed at each processing zone over a respective processing time, with at least one of the processing times being different to the other processing times.
    Type: Application
    Filed: March 15, 2014
    Publication date: September 17, 2015
    Inventor: Gun Woo PARK
  • Patent number: 8999099
    Abstract: A substrate attachment system, including a portable chamber for receiving a pair of substrates which are aligned; a conveyor transportation device which continuously moves the portable chamber and to which a vacuum generator that is connected to a vacuum port of the portable chamber to evacuate the inside of the portable chamber is provided; and a heating device for performing a heating process in which the aligned substrates are attached to each other in the portable chamber, wherein the conveyor transportation device is arranged to pass through the heating device. The substrate attachment system may contribute to high attachment accuracy, and also, since the size of a chamber is reduced, a spatial utilization rate may be high, and also, since an attachment process is continuously performed by using a conveyor transportation device, a process time may be reduced.
    Type: Grant
    Filed: November 26, 2010
    Date of Patent: April 7, 2015
    Assignee: Ltrin. Co., Ltd.
    Inventors: Yong-Won Cha, Sang Wook Yoo, Gun-Woo Park, Seung-Hee Jung
  • Patent number: 8920009
    Abstract: Disclosed is a lamp device for a vehicle, which includes: a lens disposed on a first optical axis extending to a front and a rear of the vehicle; a main reflector disposed at a rear side of the lens, reflecting light frontward, and including a first focus on the first optical axis; a light source disposed on the first focus, and emitting light; a lower sub reflector disposed below the light source, upwardly reflecting the light, and including a first focus on a point at which the first optical axis and a second optical axis extending above and below the vehicle intersect; an upper sub reflector disposed above the light source, and frontwardly reflecting the light reflected by the lower sub reflector; and a shield plate disposed between the lens and the light source, and disposed to correspond to a second focus of the main reflector.
    Type: Grant
    Filed: July 23, 2012
    Date of Patent: December 30, 2014
    Assignee: Hyundai Mobis Co., Ltd
    Inventor: Gun woo Park
  • Publication number: 20140322834
    Abstract: An apparatus for bonding substrates and a method of bonding substrates are provided. In accordance with one exemplary embodiment of the present invention, a first plate to mount a first substrate is provided. A chamber body movably connected to the first plate is provided. A second plate that is placed opposite to the first plate and a second substrate is mounted on the second plate is provided. A chamber lead having the second plate mounted inside is provided which is movably connected to the chamber body to move rotationally or linearly to open or close the chamber space with the chamber body. A pair of first alignment cameras is placed outside of the chamber space to scan the first substrate or the second substrate. A stage control unit is provided to move the first plate or the second plate to align the first substrate and the second substrate.
    Type: Application
    Filed: April 28, 2014
    Publication date: October 30, 2014
    Applicant: LTrin Co., Ltd
    Inventors: Yong Won CHA, Chang Woo RYOO, Sang Jun OH, Gun Woo PARK, Jae In PARK
  • Patent number: 8849937
    Abstract: Provided are an apparatus and method for time synchronization in a Precision Time Protocol (PTP) network. According to an aspect, there is provided a time synchronization apparatus including: a synchronization unit configured to perform time synchronization between a master and at least one slave based on the number of synchronization messages that are sent from the master; a state-of-synchronization determiner configured to measure performance of the synchronization to thereby determine the state of the synchronization; and a number-of-messages adjustor configured to adjust the number of synchronization messages based on the state of the synchronization. Therefore, by automatically adjusting the number of synchronization messages that are sent from a master according to network traffic, the states of slave nodes, etc., it is possible to minimize entire network traffic and optimize the synchronization performance of nodes.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: September 30, 2014
    Assignee: Dasan Networks, Inc.
    Inventors: Gun-Woo Park, Sang-Cheol Mun
  • Patent number: 8660529
    Abstract: The present invention relates to a mobile terminal and a method for preventing illegitimate change of an identification number of the mobile terminal.
    Type: Grant
    Filed: October 4, 2007
    Date of Patent: February 25, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Gun Woo Park, Pyoung Ju Hwang, Kwan Min Shin, Byoung Suk Yea
  • Publication number: 20130246551
    Abstract: Provided are an apparatus and method for time synchronization in a Precision Time Protocol (PTP) network. According to an aspect, there is provided a time synchronization apparatus including: a synchronization unit configured to perform time synchronization between a master and at least one slave based on the number of synchronization messages that are sent from the master; a state-of-synchronization determiner configured to measure performance of the synchronization to thereby determine the state of the synchronization; and a number-of-messages adjustor configured to adjust the number of synchronization messages based on the state of the synchronization. Therefore, by automatically adjusting the number of synchronization messages that are sent from a master according to network traffic, the states of slave nodes, etc., it is possible to minimize entire network traffic and optimize the synchronization performance of nodes.
    Type: Application
    Filed: March 29, 2012
    Publication date: September 19, 2013
    Inventors: Gun-Woo Park, Sang-Cheal Mun
  • Publication number: 20130094232
    Abstract: Disclosed is a lamp device for a vehicle, which includes: a lens disposed on a first optical axis extending to a front and a rear of the vehicle; a main reflector disposed at a rear side of the lens, reflecting light frontward, and including a first focus on the first optical axis; a light source disposed on the first focus, and emitting light; a lower sub reflector disposed below the light source, upwardly reflecting the light, and including a first focus on a point at which the first optical axis and a second optical axis extending above and below the vehicle intersect; an upper sub reflector disposed above the light source, and frontwardly reflecting the light reflected by the lower sub reflector; and a shield plate disposed between the lens and the light source, and disposed to correspond to a second focus of the main reflector.
    Type: Application
    Filed: July 23, 2012
    Publication date: April 18, 2013
    Applicant: HYUNDAI MOBIS Co., Ltd.
    Inventor: Gun woo PARK
  • Publication number: 20120298306
    Abstract: A substrate attachment system, including a portable chamber for receiving a pair of substrates which are aligned; a conveyor transportation device which continuously moves the portable chamber and to which a vacuum generator that is connected to a vacuum port of the portable chamber to evacuate the inside of the portable chamber is provided; and a heating device for performing a heating process in which the aligned substrates are attached to each other in the portable chamber, wherein the conveyor transportation device is arranged to pass through the heating device. The substrate attachment system may contribute to high attachment accuracy, and also, since the size of a chamber is reduced, a spatial utilization rate may be high, and also, since an attachment process is continuously performed by using a conveyor transportation device, a process time may be reduced.
    Type: Application
    Filed: November 26, 2010
    Publication date: November 29, 2012
    Applicant: LTRIN. CO., LTD
    Inventors: Yong-Won Cha, Sang Wook Yoo, Gun-Woo Park, Seung-Hee Jung
  • Publication number: 20080207169
    Abstract: The present invention relates to a mobile terminal and a method for preventing illegitimate change of an identification number of the mobile terminal.
    Type: Application
    Filed: October 4, 2007
    Publication date: August 28, 2008
    Inventors: Gun Woo Park, Pyoung Ju Hwang, Kwan Min Shin, Byoung Suk Yea
  • Patent number: 6207997
    Abstract: A thin film transistor for an antistatic circuit includes: wells formed on a silicon substrate; insulating layers for electrical isolation between electrodes formed within the wells; low density impurity diffused regions respectively interposed between the insulating layers; a first high-density impurity diffused region formed within one low-density impurity diffused region; a second high-density impurity diffused region formed within the other low-density impurity diffused region; interlevel insulating layers formed on the insulating layers and the low-density impurity diffused layers; and metal gate electrodes formed on the low-density impurity diffused layers and the interlevel insulating layers; at least one of the first high-density impurity diffused region and the second high-density impurity diffused region being arranged to overlap on active region, inward from outside edges of the active region.
    Type: Grant
    Filed: July 31, 1998
    Date of Patent: March 27, 2001
    Assignee: Hyundai Electronics Industries Co. Ltd.
    Inventors: Jae Goan Jeong, Gun Woo Park
  • Patent number: 5807728
    Abstract: A thin film transistor for an antistatic circuit includes: wells formed on a silicon substrate; insulating layers for electrical isolation between electrodes formed within the wells; low density impurity diffused regions respectively interposed between the insulating layers; a first high-density impurity diffused region formed within one low-density impurity diffused region; a second high-density impurity diffused region formed within the other low-density impurity diffused region; interlevel insulating layers formed on the insulating layers and the low-density impurity diffused layers; and metal gate electrodes formed on the low-density impurity diffused layers and the interlevel insulating layers; at least one of the first high-density impurity diffused region and the second high-density impurity diffused region being arranged to overlap an active region, inward from outside edges of the active region.
    Type: Grant
    Filed: December 27, 1996
    Date of Patent: September 15, 1998
    Assignee: Hyundai Electronics Industries, Co., Ltd.
    Inventors: Jae Goan Jeong, Gun Woo Park