Patents by Inventor Dong-Woo Lee

Dong-Woo Lee 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).

  • Variant microorganism able to produce large amount of fermentation product, and fermentation product production method using same
    Patent number: 9441251
    Abstract: The present invention relates to mutant microorganisms having a high ability to produce fermentation products, and methods for producing fermentation products using the same, and more particularly, to mutant microorganisms having a high ability to produce fermentation products such as lactic acid, succinic acid and ethanol, which has a deletion of genes selected from the genome of enteric bacteria and involved in respiration, electron transport, redox reactions and the like, and methods of producing fermentation products in high yield by culturing the mutant microorganisms under anaerobic conditions.
    Type: Grant
    Filed: June 14, 2013
    Date of Patent: September 13, 2016
    Assignee: KOREA RESEARCH INSTITUTE OF BIOSCIENCE AND BIOTECHNOLOGY
    Inventors: Sang Jun Lee, Hyun Ju Kim, Dong-Woo Lee, Joong Su Kim, Haeyoung Jeong, Bo Kyeng Hou
  • CAMERA MODULE
    Publication number: 20160187613
    Abstract: A camera module includes: a housing having a connection electrode; a fixed lens disposed in the housing and arranged on an optical axis; an actuator mounted in the housing and connected to the connection electrode; and a movable lens coupled to the actuator and configured to be moved by the actuator, the movable lens being disposed on the optical axis.
    Type: Application
    Filed: October 30, 2015
    Publication date: June 30, 2016
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Hyo SEO, Kyung Hun LEE, Dong Woo LEE
  • TUNING FORK VIBRATOR
    Publication number: 20160182012
    Abstract: A tuning fork vibrator includes: a vibration arm including one or more grooves extending depthwise in a first direction; and exciting electrodes configured to provide a level of driving force required for vibrations of the vibration arm, wherein the one or more grooves have a cross-sectional shape in which a depth of the one or more grooves decreases from a first point toward a second point, and the depth of the one or more grooves at the second point is 30% or more of the depth of the groove at the first point.
    Type: Application
    Filed: October 20, 2015
    Publication date: June 23, 2016
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Seung Mo LIM, Dong Woo LEE, Won HAN, Ran Hee SHIN
  • DISPLAY DEVICE, CONTROL DEVICE FOR DRIVING THE DISPLAY DEVICE, AND DRIVE CONTROL METHOD THEREOF
    Publication number: 20160163266
    Abstract: A display device, a driving control device of the display device, and a driving control method are disclosed. In one aspect, the display device comprises a display unit consisting of a plurality of pixels including a light emitting element emitting light according to a driving current corresponding to a data signal; a scan driver transmitting a scan signal through a plurality of scan lines; a data driver transmitting a data signal through a plurality of data lines; a power supply unit supplying a driving voltage to drive a plurality of pixels through a power source wire; and a driving controller connected to the power source wire, obtaining an actual output voltage value of the driving voltage output from the power source voltage supply unit, and compensating a deviation of the driving voltage in a process step by using the actual output voltage value.
    Type: Application
    Filed: February 18, 2016
    Publication date: June 9, 2016
    Inventors: Dong-Woo Lee, Wook Lee
  • Image fixing device and image forming apparatus having the same
    Patent number: 9360811
    Abstract: An image fixing device includes a heat source configured to generate heat, a fixing belt heated by the heat source and disposed to be rotatable, a rotational member disposed to be opposite to the fixing belt and to press a printing medium to the fixing belt, and a supporting member to support an inner circumferential surface of the fixing belt so as to form a fixing nip between the fixing belt and the rotational member and having a plurality of heat insulation grooves formed in a surface thereof so as to reduce thermal conductivity of the supporting member. By the configuration of the present general inventive concept, it is possible to prevent or minimize a heat loss of the fixing belt and thus to enhance image forming efficiency.
    Type: Grant
    Filed: July 21, 2014
    Date of Patent: June 7, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Soo Hwan Bae, Dong Woo Lee, Ji Su Park
  • User hand detecting device for detecting user's hand region and method thereof
    Patent number: 9342751
    Abstract: Technology for a method of detecting a user hand by a user hand detecting device. The method according to an aspect of the present invention includes extracting a first mask image from a depth image in which the user hand is imaged; extracting a second mask image having a preset skin color value among regions corresponding to the first mask image in a color image in which the user hand is imaged; generating a skin color value histogram model in a color space different from a region of the color image corresponding to a color region of the second mask image; generating a skin color probability image of the different color space from the color image using the skin color value histogram model and an algorithm for detecting a skin color region; and combining the skin color probability image with the second mask image and detecting the user's hand region.
    Type: Grant
    Filed: May 14, 2015
    Date of Patent: May 17, 2016
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Gi Su Heo, Dong Woo Lee, Sung Yong Shin, Ga Gue Kim, Hyung Cheol Shin
  • Display device, control device for driving the display device, and drive control method thereof
    Patent number: 9275606
    Abstract: A display device, a driving control device of the display device, and a driving control method are disclosed. In one aspect, the display device comprises a display unit consisting of a plurality of pixels including a light emitting element emitting light according to a driving current corresponding to a data signal; a scan driver transmitting a scan signal through a plurality of scan lines; a data driver transmitting a data signal through a plurality of data lines; a power supply unit supplying a driving voltage to drive a plurality of pixels through a power source wire; and a driving controller connected to the power source wire, obtaining an actual output voltage value of the driving voltage output from the power source voltage supply unit, and compensating a deviation of the driving voltage in a process step by using the actual output voltage value.
    Type: Grant
    Filed: July 3, 2013
    Date of Patent: March 1, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Woo Lee, Wook Lee
  • COOKING PAN SYSTEM HAVING FOLDABLE HANDLE
    Publication number: 20150342386
    Abstract: A cooking system comprises: a pan; a support having a neck and a ball attached through the neck to the pan, the ball having a protrusion and an elongate opening to receive a pin rod having inflated ends; a cover unit rotatably covering the ball and having a first and second cover, the first cover having an arc opening to receive and rotatably guide the protrusion in the arc opening; an elastic media provided between the first and second covers to elastically contain the rod in the elongate opening of the ball; and a handle extending from a selected one of the first and second covers, the rod ends being manually pulled out of the ball against elastic pushing of the elastic media.
    Type: Application
    Filed: May 27, 2015
    Publication date: December 3, 2015
    Inventors: Dong Woo LEE, Min Gyu PARK
  • USER HAND DETECTING DEVICE FOR DETECTING USER'S HAND REGION AND METHOD THEREOF
    Publication number: 20150332471
    Abstract: Technology for a method of detecting a user hand by a user hand detecting device. The method according to an aspect of the present invention includes extracting a first mask image from a depth image in which the user hand is imaged; extracting a second mask image having a preset skin color value among regions corresponding to the first mask image in a color image in which the user hand is imaged; generating a skin color value histogram model in a color space different from a region of the color image corresponding to a color region of the second mask image; generating a skin color probability image of the different color space from the color image using the skin color value histogram model and an algorithm for detecting a skin color region; and combining the skin color probability image with the second mask image and detecting the user's hand region.
    Type: Application
    Filed: May 14, 2015
    Publication date: November 19, 2015
    Inventors: Gi Su HEO, Dong Woo LEE, Sung Yong SHIN, Ga Gue KIM, Hyung Cheol SHIN
  • Cooking pan system having foldable handle
    Patent number: 9179795
    Abstract: A cooking system comprises: a pan; a support having a neck and a ball attached through the neck to the pan, the ball having a protrusion and an elongate opening to receive a pin rod having inflated ends; a cover unit rotatably covering the ball and having a first and second cover, the first cover having an arc opening to receive and rotatably guide the protrusion in the arc opening; an elastic media provided between the first and second covers to elastically contain the rod in the elongate opening of the ball; and a handle extending from a selected one of the first and second covers, the rod ends being manually pulled out of the ball against elastic pushing of the elastic media.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: November 10, 2015
    Inventors: Dong Woo Lee, Min Gyu Park
  • Culture apparatus and method of replacing culture medium
    Patent number: 9163206
    Abstract: There is provided a culture apparatus including: a first pipe having a discharge channel formed at one end thereof; a second pipe having a suction channel formed at one end thereof; and a connection channel connecting the first and second pipes.
    Type: Grant
    Filed: February 2, 2012
    Date of Patent: October 20, 2015
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Dong Woo Lee, Sang Jin Kim
  • CELL ANALYSIS APPARATUS AND METHOD
    Publication number: 20150269411
    Abstract: A cell analysis apparatus may include: an image processing unit imaging cultured cell colonies to convert the imaged cell colonies into digital signals; an outline extracting unit extracting outlines of the cell colonies from image data obtained from the image processing unit; a size calculating unit calculating sizes of the cell colonies from the extracted outlines; and a selecting unit comparing the sizes of the cell colonies with a preset value to select grown cell colonies.
    Type: Application
    Filed: July 11, 2014
    Publication date: September 24, 2015
    Applicants: SAMSUNG ELECTRO-MECHANICS CO., LTD., SAMSUNG LIFE PUBLIC WELFARE FOUNDATION
    Inventors: Dong Woo Lee, Do Hyun Nam, Bo Sung Ku, Yeon Sook Choi
  • SWITCH RELAY DEVICE
    Publication number: 20150256070
    Abstract: The present invention relates to a switch relay device, and more particularly, to a switch relay device which is used as an electronic relay that drives electronic components mounted on an automobile.
    Type: Application
    Filed: October 29, 2013
    Publication date: September 10, 2015
    Applicant: DAESUNG ELECTRIC CO., LTD
    Inventors: Won Ho Lee, Jong Sub Na, Dong Woo Lee
  • Organic light emitting display device and driving method for the same
    Patent number: 9129559
    Abstract: An organic light emitting display device, and a driving method for the same. The organic light emitting display device, including: a pixel unit configured to display an image corresponding to a data signal, a scan signal, a first power, and a second power; a data driver configured to receive an image signal to output the data signal; a scan driver configured to output the scan signal; a power supply unit configured to receive an input power from an external source to generate the first power and the second power; and a controller configured to output a voltage control signal to control a voltage of the first power and a voltage of the second power and output a first gamma value and a second gamma value in accordance with a voltage of the input power, the first and second gamma values being for controlling a voltage of the data signal.
    Type: Grant
    Filed: January 13, 2010
    Date of Patent: September 8, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Un Park, Kyoung-Soo Lee, Young-Hee Nam, Dong-Woo Lee
  • Cell culture unit and cell culture device including the same
    Patent number: 9121004
    Abstract: There is provided a cell culture device, which includes a plurality of cell culture units, in which the cell culture unit includes: a cell culture tub that defines a culture space for cultivating cells, contains culture medium in the culture unit, and has an air layer above the culture medium; a drainage channel that is connected to the cell culture tub to discharge used culture medium to the integral drainage channel; an open culture medium reservoir that supplies new culture medium into the cell culture tub; and a droplet generator that is disposed between the cell culture tub and the open culture medium reservoir and supplies the culture medium from the open culture medium reservoir to the cell culture tub, using negative pressure of the air layer generated when the used culture medium is discharged.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: September 1, 2015
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Young-Ho Cho, Tae-Yoon Kim, Dong-Woo Lee, Sang-Jin Kim, Yong-Soo Oh, Bo-Sung Ku
  • WEARABLE EYEGLASS DEVICE
    Publication number: 20150219933
    Abstract: Disclosed herein is a wearable eyeglass device including: an optical communication module receiving a first optical signal and transmitting a second optical signal; a display module displaying information corresponding to at least one of the first and second optical signals; and a control module controlling the display module to display first information corresponding to the first optical signal at the time of receiving the first optical signal and controlling the optical communication module to transmit the second optical signal corresponding to second information.
    Type: Application
    Filed: January 30, 2015
    Publication date: August 6, 2015
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Dong-Woo LEE, Hyung-Cheol SHIN, Ga-Gue KIM, Sung-Yong SHIN, Gi-Su HEO, Yong-Ki SON, Hyun-Tae JEONG
  • WRIST WEARABLE APPARATUS WITH TRANSFORMABLE SUBSTRATE
    Publication number: 20150222742
    Abstract: Provided is to a wrist wearable apparatus with a transformable substrate. The apparatus has a transformable substrate having a flat state, a deformed state, a partially deformed state, and the like, and thus provides a function and a user interface that change according to the deformed state when a user wears the apparatus on his or her wrist and the flat extended state when the user detaches the apparatus from his or her wrist. When the method suggested in the present invention is used, the user can conveniently carry the apparatus on his or her wrist and use the apparatus on or off the wrist as necessary, thereby resolving inconveniences of carrying and using an existing mobile apparatus.
    Type: Application
    Filed: January 29, 2015
    Publication date: August 6, 2015
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Yong-Ki SON, Sung-Yong SHIN, Il-Yeon CHO, Dong-Woo LEE, Hyung-Cheol SHIN, Ji-Eun KIM, Jong-Moo SOHN, Hyun-Tae JEONG
  • VARIANT MICROORGANISM ABLE TO PRODUCE LARGE AMOUNT OF FERMENTATION PRODUCT, AND FERMENTATION PRODUCT PRODUCTION METHOD USING SAME
    Publication number: 20150211031
    Abstract: The present invention relates to mutant microorganisms having a high ability to produce fermentation products, and methods for producing fermentation products using the same, and more particularly, to mutant microorganisms having a high ability to produce fermentation products such as lactic acid, succinic acid and ethanol, which has a deletion of genes selected from the genome of enteric bacteria and involved in respiration, electron transport, redox reactions and the like, and methods of producing fermentation products in high yield by culturing the mutant microorganisms under anaerobic conditions.
    Type: Application
    Filed: June 14, 2013
    Publication date: July 30, 2015
    Inventors: Sang Jun Lee, Hyun Ju Kim, Dong-Woo Lee, Joong Su Kim, Haeyoung Jeong, Bo Kyeng Hou
  • Production method for high purity copper powder using a thermal plasma
    Patent number: 9061353
    Abstract: The present invention relates to a method of manufacturing a high purity copper (Cu) powder material useable in fabricating a sputtering target material for electronic industrial applications, for example a penetrator liner. The foregoing method has a configuration of using an apparatus composed of a raw material feeder, a plasma torch and a reactor to prepare a metal powder, and includes steps of passing a Cu powder having an average particle diameter of 30 to 450 ?m through the thermal plasma torch at an introduction rate of 2 to 30 kg/hr, to thereby fabricate a Cu powder having an average particle diameter of 5 to 300 ?m.
    Type: Grant
    Filed: July 20, 2010
    Date of Patent: June 23, 2015
    Assignee: POONGSAN CORPORATION
    Inventors: Dae Hyun Kim, Dong Woo Lee, In Dal Kim, Sang Young Choi, Ji Hoon Lee, Bo Min Jeon
  • PRINTING METHOD FOR PRINTING AND PLATING PROCESS
    Publication number: 20150167173
    Abstract: A method for printing on a substrate, including providing a substrate having at least one three-dimensional surface and performing inkjet printing of an ink on at least a portion of the at least one three-dimensional surface by repositioning an inkjet printing head relative to the substrate in only two dimensions.
    Type: Application
    Filed: April 1, 2012
    Publication date: June 18, 2015
    Applicant: GALTRONICS CORPORATION LTD.
    Inventors: Sang-Il Lee, Jung-Sic Park, Ephraim Ulmer, Wen-Wei Guo, Yan Zhao, Dong Woo Lee