Patents by Inventor Dong-Mug Seong

Dong-Mug Seong 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: 20170010710
    Abstract: Disclosed is a touch window including a substrate, and an electrode layer on the substrate. A retardation difference is 0.2% or less depending on an incident angle of light in the substrate.
    Type: Application
    Filed: February 10, 2015
    Publication date: January 12, 2017
    Inventors: Hyun Soo KIM, In Seok KANG, June ROH, Dong Mug SEONG, Jun Phill EOM, Jun LEE
  • Publication number: 20170003821
    Abstract: Disclosed is a touch window including a substrate including a first region in which a touch is sensed and a second region provided at an edge of the first region, a sensing electrode to sense a touch position of the first region, and a wire connected with the sensing electrode. The wire includes comprises a first wire part provided in the first region and a second wire part provided in the second region.
    Type: Application
    Filed: February 25, 2015
    Publication date: January 5, 2017
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Eun Jung JEON, Seung Jin KIM, Jong Sun KIM, Kyoung Jong YOO, Byung Youl MOON, Dong Mug SEONG, Jun Sik SHIN, Yu Hong JEON, Chan Kyu KOO
  • Patent number: 9470393
    Abstract: Disclosed is an optical plate and an illuminating member, and particularly an optical plate for reducing UGR, which has a plurality of micro lens patterns formed on a base substrate, a fill factor of the micro lens patterns being in range of 0.5 to 1.0.
    Type: Grant
    Filed: June 29, 2012
    Date of Patent: October 18, 2016
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Beom Sun Hong, Dong Mug Seong, Jun Phill Eom, Dong Hyun Lee
  • Patent number: 9435508
    Abstract: Disclosed is a light device comprising: a diffusion unit for diffusing and radiating light incident from a light source; and a condensing unit installed on a light radiating surface of the diffusion unit, including a micro lens array of lenses having sag determined depending on one of a light emitting area of the lighting device and total light flux of the lighting device. Thus, the lighting device can reduce a light flux emitted at the angle between 65 deg and 90 deg, thereby meeting UGR conditions.
    Type: Grant
    Filed: July 6, 2012
    Date of Patent: September 6, 2016
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Dong Hyun Lee, Dong Mug Seong, Jun Phill Eom, Beom Sun Hong
  • Patent number: 9273845
    Abstract: The present invention relates to an lighting device capable of reducing UGR (Unified Glare Rating) characterized by comprising the frame portion formed at the peripheral area in which the printed circuit board mounted with a light source and the light source are arranged, and the inserting portion into which the diffusing plate and the optical plate are inserted at the inside of the frame portion simultaneously. Particularly, an air gap can be formed on the closed adhered surface of the optical plate and the diffusing plate.
    Type: Grant
    Filed: June 29, 2012
    Date of Patent: March 1, 2016
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jun Phill Eom, Dong Mug Seong, Beom Sun Hong, Dong Hyun Lee, Yong In Lee
  • Publication number: 20160026844
    Abstract: A fingerprint sensor includes a first substrate, a second substrate on the first substrate, a first electrode and a first chip on the first substrate and a second electrode and a second chip on the second substrate. The first substrate includes a first area and a second area, the second substrate includes a third area and a fourth area, the first electrode is provided on the first area, the first chip is provided on the second area, the second electrode is provided on the third area, and the second chip is provided on the fourth area.
    Type: Application
    Filed: July 24, 2015
    Publication date: January 28, 2016
    Inventors: Seung Jin KIM, Dong Mug SEONG, Kyoung Jong YOO
  • Patent number: 9128225
    Abstract: The present invention relates to a backlight unit with sag control patterns, comprising a light source formed in a side surface of a light guide plate; and a plurality of optical patterns formed on a lower surface of the light guide plate, sag of the plurality of optical patterns increasing as the optical patterns become more distant from the light source. By controlling sag of optical patterns formed in a light guide plate, efficiency of light emitted from a backlight unit can be improved and uniformity of the light can be maintained. Also, since sag of optical patterns can be controlled, by increasing the number of optical patterns (by improving fill factor), light efficiency and uniformity can be controlled easily. Also, compared with a conventional method for manufacturing white dot patterns, white dot patterns can be more efficiently manufactured in terms of development time and costs.
    Type: Grant
    Filed: May 2, 2011
    Date of Patent: September 8, 2015
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Dong Hyun Lee, Dong Mug Seong, Beom Sun Hong, Jun Phill Eom
  • Publication number: 20150248799
    Abstract: A fingerprint identification system including a starting button unit including a starting touch panel to extract a fingerprint of a user, a door handle including a door touch panel to extract the fingerprint of the user; and a control unit to control starting of a vehicle by comparing the extracted fingerprint of the user with a fingerprint, which is previously stored, and to generate an alarm signal. The starting touch panel is provided on a starting button unit.
    Type: Application
    Filed: February 17, 2015
    Publication date: September 3, 2015
    Inventors: Dong Keon LEE, Dong Mug SEONG, Chung Wan LEE, Jae Hak HER
  • Patent number: 9110211
    Abstract: A light guide plate and a plane light source unit are provided. The light guide plate for a plane light source unit includes a plurality of unit pattern regions each having a plurality of optical patterns on surfaces thereof, wherein one or more unit pattern regions have different sag values (height:lens size) of the optical patterns constituting the unit pattern regions. Unit pattern regions are implemented with segmented optical patterns, which are equal in height, from the outside of the light guide plate to the central part thereof, by adjusting the density and size of microlenses, thereby improving the light uniformity and light efficiency and improving the efficiency of manufacturing processes.
    Type: Grant
    Filed: August 1, 2011
    Date of Patent: August 18, 2015
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Beom Sun Hong, Jun Phill Eom, Dong Mug Seong, Dong Hyun Lee
  • Publication number: 20140301086
    Abstract: Provided are an optical sheet used for a lighting device, and the lighting device, the optical sheet comprising: a base plate; and an optical plate including a plurality of micro pattern units formed on the base plate, wherein the respective micro pattern units have any one shape of a quadrangular pyramid shape, a conical shape, and a polypyramid shape, wherein an edge angle formed between the base plate and a side surface of the micro pattern units is determined within a range of 15 degrees to 45 degrees.
    Type: Application
    Filed: October 31, 2012
    Publication date: October 9, 2014
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Beom Sun Hong, Dong Hyun Lee, Dong Mug Seong, Jun Phill Eom
  • Publication number: 20140192540
    Abstract: Disclosed is a lighting device capable of reducing UGR (Unified Glare Rating). in a illuminating member, reflection efficiency of light significantly scattering to the left and right among light applied to the air gap through the diffusion plate is increased using the adhesion material pattern layer of periphery surrounding an air gap, and simultaneously, the UGR may be reduced by removing the process disposing the pattern with a specific structure and increasing the process efficiency.
    Type: Application
    Filed: July 26, 2012
    Publication date: July 10, 2014
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Jun Phill Eom, Dong Mug Seong, Dong Hyun Lee, Beom Sun Hong, Yong In Lee
  • Publication number: 20140168993
    Abstract: Disclosed is a light device comprising: a diffusion unit for diffusing and radiating light incident from a light source; and a condensing unit installed on a light radiating surface of the diffusion unit, including a micro lens array of lenses having sag determined depending on one of a light emitting area of the lighting device and total light flux of the lighting device. Thus, the lighting device can reduce a light flux emitted at the angle between 65 deg and 90 deg, thereby meeting UGR conditions.
    Type: Application
    Filed: July 6, 2012
    Publication date: June 19, 2014
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Dong Hyun Lee, Dong Mug Seong, Jun Phill Eom, Beom Sun Hong
  • Publication number: 20140152917
    Abstract: Disclosed is a touch panel. The touch panel includes a substrate, and an electrode part formed in a mesh shape on the substrate. The electrode part includes a resin layer comprising first and second sub-patterns, and a transparent electrode on the first sub-pattern. A ratio of a width of the first sub-pattern to a width of the second sub-pattern is in a range of 1:0.01 to 1:0.5.
    Type: Application
    Filed: December 3, 2013
    Publication date: June 5, 2014
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Young Jae LEE, Hyun Soo KIM, Jung Hwan BANG, Jun Sik SHIN, Joon Hyuk YANG, Dong Mug SEONG, Jun Phill EOM, Kyoung Jong YOO, Jun LEE, Chan Kyu KOO
  • Publication number: 20140140068
    Abstract: The present invention relates to an lighting device capable of reducing UGR (Unified Glare Rating) characterized by comprising the frame portion formed at the peripheral area in which the printed circuit board mounted with a light source and the light source are arranged, and the inserting portion into which the diffusing plate and the optical plate are inserted at the inside of the frame portion simultaneously. Particularly, an air gap can be formed on the closed adhered surface of the optical plate and the diffusing plate.
    Type: Application
    Filed: June 29, 2012
    Publication date: May 22, 2014
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Jun Phill Eom, Dong Mug Seong, Beom Sun Hong, Dong Hyun Lee, Yong In Lee
  • Publication number: 20140133160
    Abstract: Disclosed is an optical plate and an illuminating member, and particularly an optical plate for reducing UGR, which has a plurality of micro lens patterns formed on a base substrate, a fill factor of the micro lens patterns being in range of 0.5 to 1.0.
    Type: Application
    Filed: June 29, 2012
    Publication date: May 15, 2014
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Beom Sun Hong, Dong Mug Seong, Jun Phill Eom, Dong Hyun Lee
  • Publication number: 20140016327
    Abstract: Disclosed are a lighting device and a method of manufacturing the same, the lighting device includes a diffusion layer diffusing and emitting light incident from a light source; a bead layer adjacently formed to a light emitting surface of the diffusion layer, including a plurality of beads, and having a separation part formed in a region in which the plurality of beads are not present; and a condensing layer formed on the bead layer and condensing light transmitting the separation part to a predetermined portion. The exemplary embodiment of the present invention can form the separation part on the diffusion layer and the condensing layer by bonding beads to the diffusion layer and thus, can condense the light transmitting the diffusion layer to the condensing layer through the separation part, thereby easily reducing the UGR without disposing the separate barrier rib structure between the diffusion layer and the condensing layer.
    Type: Application
    Filed: April 3, 2012
    Publication date: January 16, 2014
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Dong Hyun Lee, Dong Mug Seong, Beom Sun Hong, Jun Phill Eom
  • Publication number: 20130272028
    Abstract: A light guide plate and a plane light source unit are provided. The light guide plate for a plane light source unit includes a plurality of unit pattern regions each having a plurality of optical patterns on surfaces thereof, wherein one or more unit pattern regions have different sag values (height:lens size) of the optical patterns constituting the unit pattern regions. Unit pattern regions are implemented with segmented optical patterns, which are equal in height, from the outside of the light guide plate to the central part thereof, by adjusting the density and size of microlenses, thereby improving the light uniformity and light efficiency and improving the efficiency of manufacturing processes.
    Type: Application
    Filed: August 1, 2011
    Publication date: October 17, 2013
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Beom Sun Hong, Jun Phill Eom, Dong Mug Seong, Dong Hyun Lee
  • Publication number: 20130170248
    Abstract: The present invention relates to a backlight unit with sag control patterns, comprising a light source formed in a side surface of a light guide plate; and a plurality of optical patterns formed on a lower surface of the light guide plate, sag of the plurality of optical patterns increasing as the optical patterns become more distant from the light source. By controlling sag of optical patterns formed in a light guide plate, efficiency of light emitted from a backlight unit can be improved and uniformity of the light can be maintained. Also, since sag of optical patterns can be controlled, by increasing the number of optical patterns (by improving fill factor), light efficiency and uniformity can be controlled easily. Also, compared with a conventional method for manufacturing white dot patterns, white dot patterns can be more efficiently manufactured in terms of development time and costs.
    Type: Application
    Filed: May 2, 2011
    Publication date: July 4, 2013
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Dong Hyun Lee, Dong Mug Seong, Beom Sun Hong, Jun Phill Eom
  • Patent number: 7480098
    Abstract: Disclosed herein are a microlens array sheet having a black matrix and a method for manufacturing the same. The manufacturing method includes a) the step of defining the regions of light apertures, through which condensed light passes, in a negative-type light-sensitive resin layer by radiating and condensing parallel light after sequentially laying a microlens array layer, a transparent support substrate or film layer and the negative-type light-sensitive resin layer one on top of another, and b) eliminating portions other than the regions of the light apertures formed in the light-sensitive resin layer, and forming a black matrix layer in regions where the portions have been eliminated.
    Type: Grant
    Filed: August 26, 2005
    Date of Patent: January 20, 2009
    Assignees: LG Electronics Inc., LG Micron Ltd.
    Inventors: Chang-Hoon Oh, Hyouk Kwon, Tae-Sun Lim, Young-Joo Yee, Ki-Won Park, Dong-Mug Seong, Gun-Woo Lee
  • Patent number: 7268949
    Abstract: A microlens array sheet and a manufacturing method thereof. The microlens array sheet comprises: a transparent substrate; bases formed on the transparent substrate, the bases having the same height as a result of a planarization process conducted for the upper portions of the bases, microlenses formed on the bases; and a gap-filling film applied on the resulting structure, in which the bases have the same height. The method comprises the steps of: depositing base-forming molds on a transparent support substrate or film and loading a material to be used as bases between the base-forming molds; polishing the upper portion of the material for use as bases so as to form bases having the same level, and removing the base-forming molds; depositing microlenses on the formed bases; and depositing a gap-filling film on the resulting structure.
    Type: Grant
    Filed: September 23, 2005
    Date of Patent: September 11, 2007
    Assignees: LG Electronics Inc., LG Micron Ltd.
    Inventors: Chang-Hoon Oh, Hyouk Kwon, Tae-Sun Lim, Young-Joo Yee, Ki-Won Park, Dong-Mug Seong, Gun-Woo Lee