Patents by Inventor Chul-Ho Jang

Chul-Ho Jang 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).

  • Patent number: 9353914
    Abstract: A lighting device may be provided that includes: a heat sink which includes a top surface and a member which has a side and is disposed on the top surface; a light source which includes a substrate disposed on the side of the member and light emitting devices disposed on the substrate, and has a reference point; and a cover which is coupled to the heat sink and includes an upper portion and a lower portion, which are divided by an imaginary plane passing through the reference point and being parallel with the top surface of the heat sink, wherein a distance from the reference point of the light source to the upper portion of the cover is larger than a distance from the reference point of the light source to the lower portion of the cover.
    Type: Grant
    Filed: November 4, 2014
    Date of Patent: May 31, 2016
    Assignee: LG Innotek Co., Ltd.
    Inventors: Chul Ho Jang, Bo Hee Kang, Ki Hyun Kim
  • Publication number: 20160040855
    Abstract: Disclosed is a lighting module including a bottom part including a bottom cover having a transmission hole, a top cover provided on the bottom cover and having a protrusion hole, a reflective cover disposed between the bottom cover and the top cover, and having a parabolic surface to reflect incident light to the transmission hole, a heat radiation plate having a heat radiation protrusion protruding through the protrusion hole of the top cover and provided on the top cover and a light source part provided on one surface of the heat radiation protrusion to emit light into the reflective cover.
    Type: Application
    Filed: October 29, 2014
    Publication date: February 11, 2016
    Applicant: LG INNOTEK CO., LTD.
    Inventor: Chul Ho JANG
  • Publication number: 20150339047
    Abstract: An electronic device is provided. The electronic device includes a first display and a second display, a display module configured to display a first display screen on the first display and a second display screen on the second display, a sensing module configured to detect an event corresponding to a rotation of the electronic device, and a processor configured to respectively determine whether to rotate each of a plurality of objects included in the first display screen based on the event.
    Type: Application
    Filed: May 26, 2015
    Publication date: November 26, 2015
    Inventors: Ho Young LEE, Soo Jung BAE, Min Hee LEE, Hye Ryoung CHOI, Chul Ho JANG, Ha Young KIM
  • Publication number: 20150338990
    Abstract: An electronic device and a display controlling method are provided. The electronic device includes a display module including a first display and a second display, an input interface configured to receive a user input sensed on at least one of the first display and the second display, and a controller configured to inactivate a touch input on at least a partial display area of at least one of the first display and the second display, based on the user input.
    Type: Application
    Filed: May 22, 2015
    Publication date: November 26, 2015
    Inventors: Soo Jung BAE, Min Hee LEE, Ho Young LEE, Hye Ryoung CHOI, Chul Ho JANG, Ha Young KIM
  • Publication number: 20150339008
    Abstract: An electronic device is provided. The electronic device includes a first display and a second display as display areas. The second display outputs at least one item associated with a task performed by a first application executed on the first display and outputs a menu for selecting at least one second application capable of performing the task by using the at least one item.
    Type: Application
    Filed: May 22, 2015
    Publication date: November 26, 2015
    Inventors: Min Hee LEE, Ha Young KIM, Soo Jung BAE, Ho Young LEE, Hye Ryoung CHOI, Chul Ho JANG, Hui Chul YANG
  • Publication number: 20150339804
    Abstract: A display operating electronic device is provided. The display operating electronic device includes a display configured to include a first output area and a second output area, a sensor module configured to detect whether the display rotates, and a processor configured to output an execution screen in the first output area and output at least one item in the second output area, and configured to replace the at least one item with at least one new item in the second output area if a pre-defined amount of rotation is detected.
    Type: Application
    Filed: May 26, 2015
    Publication date: November 26, 2015
    Inventors: Ha Young KIM, Soo Jung BAE, Min Hee LEE, Ho Young LEE, Hye Ryoung CHOI, Hui Chul YANG, Chul Ho JANG
  • Patent number: 9188308
    Abstract: Embodiments provide a light emitting device package including a body, a light emitting device the body, and a lens disposed on the light emitting device, wherein the lens includes a lower surface portion, an upper surface portion parallel to the lower surface portion, and a lateral surface portion positioned between the lower surface portion and the upper surface portion and provided with a plurality of lateral surfaces, wherein the plurality of lateral surfaces is formed in a shape of a parabola.
    Type: Grant
    Filed: May 2, 2014
    Date of Patent: November 17, 2015
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Chul Ho Jang
  • Publication number: 20150138829
    Abstract: A lighting device may be provided that includes: a body; a first light source and a second light source, which are disposed on the body and are disposed symmetrically with each other with respect to a central axis of the body; a first light guide unit which is disposed on the first light source and is coupled to the body; and a second light guide unit which is disposed on the second light source and is coupled to the body. The first light guide unit and the second light guide unit are disposed symmetrically with each other with respect to the central axis of the body.
    Type: Application
    Filed: May 7, 2013
    Publication date: May 21, 2015
    Applicant: LG INNOTEK CO., LTD.
    Inventor: Chul Ho Jang
  • Patent number: 9033537
    Abstract: The present invention relates to a ceiling-mounted light fixture configured to be embedded in the ceiling. The ceiling-mounted light fixture comprises: a cylindrical light fixture body having a screw thread formed on the lower end of the outer surface thereof; a light source unit which is accommodated inside the light fixture body and which has a light-emitting element; and a ring-shaped cap which has a screw thread formed on the inner surface thereof to be coupled to the screw thread of the light fixture body. According to the present invention, a ceiling-mounted light fixture is provided, wherein the diameter of the cylinder of the light fixture is increased to achieve improved light distribution efficiency and enable easy assembly.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: May 19, 2015
    Assignee: EFIDEA
    Inventors: Chul-Ho Jang, Sung-Han Kim
  • Patent number: D726737
    Type: Grant
    Filed: August 2, 2012
    Date of Patent: April 14, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyung-Joo Jin, Chul-Ho Jang
  • Patent number: D726740
    Type: Grant
    Filed: August 3, 2012
    Date of Patent: April 14, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chul-Ho Jang, Joong-Hun Kwon, Hyung-Joo Jin
  • Patent number: D727933
    Type: Grant
    Filed: July 31, 2012
    Date of Patent: April 28, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-Mo Yang, Dae-Won Kim, Jee-Yeun Wang, Chul-Ho Jang
  • Patent number: D750641
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: March 1, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seock-Hyun Yu, Chul-Ho Jang
  • Patent number: D755208
    Type: Grant
    Filed: November 13, 2014
    Date of Patent: May 3, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chul-Ho Jang, In-Young Choi
  • Patent number: D759676
    Type: Grant
    Filed: January 5, 2015
    Date of Patent: June 21, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun-Joo Kim, Chul-Ho Jang
  • Patent number: D761817
    Type: Grant
    Filed: January 6, 2015
    Date of Patent: July 19, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang-Mo Yang, Eun-Joo Kim, Jae-In Kim, Chul-Ho Jang
  • Patent number: D761835
    Type: Grant
    Filed: January 5, 2015
    Date of Patent: July 19, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang-Mo Yang, Eun-Joo Kim, Jae-In Kim, Hyung-Min Kim, Soo-Jung Bae, Ho-Young Reho Lee, Chul-Ho Jang
  • Patent number: D761838
    Type: Grant
    Filed: January 5, 2015
    Date of Patent: July 19, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang-Mo Yang, Eun-Joo Kim, Hyung-Min Kim, Soo-Jung Bae, Ho-Young Reho Lee, Chul-Ho Jang
  • Patent number: D762226
    Type: Grant
    Filed: January 6, 2015
    Date of Patent: July 26, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang-Mo Yang, Eun-Joo Kim, Chul-Ho Jang
  • Patent number: D762700
    Type: Grant
    Filed: January 6, 2015
    Date of Patent: August 2, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun-Joo Kim, Chul-Ho Jang, Chang-Mo Yang