Patents by Inventor Young Kuk Kwak

Young Kuk Kwak 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: 20230420609
    Abstract: A lighting device disclosed in an embodiment of the invention includes a reflective layer, a first resin layer on the reflective layer, a substrate on the first resin layer, a light emitting device between the first resin layer and the substrate, and a second resin layer on the substrate, a half mirror layer on the second resin layer and an optical member between the second resin layer and the half mirror layer, and the light emitted through the light emitting surface of the light emitting device is reflected by the reflective layer and passes through the substrate.
    Type: Application
    Filed: November 26, 2021
    Publication date: December 28, 2023
    Inventors: Yeong Seok YU, Young Kuk KWAK, Do Yub KIM
  • Patent number: 10900637
    Abstract: A lighting device according embodiments comprises: a housing including first and second back covers having arcuate inner surfaces; a recess opened to the lower portions of the first and second back covers; a transparent sheet disposed in a diagonal line configuration on the recesses of the first and second back covers; a light emitting module between the recesses of the first and second back covers; a heat dissipating body on which the light emitting module is disposed; and a first reflective sheet reflecting light onto inner surfaces of the first and second back covers, wherein the heat dissipating body includes a heat dissipation part having the first and second light emitting modules disposed thereon, and a reflective part disposed between the heat dissipating part and the bottom portion of the transparent sheet, and the first reflective sheet has multiple reflective surfaces.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: January 26, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Chang Hyuk Im, Young Kuk Kwak, Ki Woong Kim, Cheon Joo Kim, Hwa Young Kim
  • Publication number: 20190301719
    Abstract: A lighting device according embodiments comprises: a housing including first and second back covers having arcuate inner surfaces; a recess opened to the lower portions of the first and second back covers; a transparent sheet disposed in a diagonal line configuration on the recesses of the first and second back covers; a light emitting module between the recesses of the first and second back covers; a heat dissipating body on which the light emitting module is disposed; and a first reflective sheet reflecting light onto inner surfaces of the first and second back covers, wherein the heat dissipating body includes a heat dissipation part having the first and second light emitting modules disposed thereon, and a reflective part disposed between the heat dissipating part and the bottom portion of the transparent sheet, and the first reflective sheet has multiple reflective surfaces.
    Type: Application
    Filed: September 22, 2016
    Publication date: October 3, 2019
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Chang Hyuk IM, Young Kuk KWAK, Ki Woong KIM, Cheon Joo KIM, Hwa Young KIM
  • Patent number: 10408398
    Abstract: A holder and a lighting device including the holder are provided. The holder may include a holder body having a hole, an outlet provided in a side of the holder body, and a channel provided in the holder body to connect the hole with the outlet. The channel may include a first channel provided in a circumferential direction and having one side connected to the outlet, a second channel that guides one of two wires connected to a light source module to the first channel, and a third channel that guides another one of the two wires to the first channel.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: September 10, 2019
    Assignee: LG Innotek Co., Ltd.
    Inventors: Jin Wook Kim, Yeo Jun Yun, Ji Hwan Jeon, Young Kuk Kwak, Bu Kwan Je, Gyung Mok Woo
  • Patent number: 10234103
    Abstract: A lighting apparatus comprises: a body comprising a first body and a second body, wherein the first body comprises a first bottom surface and a first side surface, wherein the second body comprises a second bottom surface and a second side surface, and wherein the body has a receiving recess configured by the first bottom surface, the second bottom surface, the first side surface and the second side surface; a reflector disposed in the receiving recess of the body and comprising a plurality of reflective surfaces; and a light source disposed on the first side surface of the first body and the second side surface of the second body, disposed at an area corresponding to the reflective surfaces of the reflector.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: March 19, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Young Kuk Kwak, Sang Jun Hong, Ji Hoo Kim
  • Patent number: 9964696
    Abstract: A lighting module comprises: a light guide plate comprising a top surface and a bottom surface, wherein the light guide plate is configured to emit a first light upward from the top surface and a second light downward from the bottom surface; a first case covering an one side of the light guide plate; a second case covering an other side of the light guide plate; a first light source which is disposed in the first case and is configured to emit light to the one side of the light guide plate; and a second light source which is disposed in the second case and is configured to emit light to the other side of the light guide plate.
    Type: Grant
    Filed: April 14, 2015
    Date of Patent: May 8, 2018
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Han Gyoul Kim, Young Kuk Kwak, Sang Jun Hong, Young Sik Kim
  • Patent number: 9909736
    Abstract: A lighting device may be provided that comprises a housing including an inner surface; a light source unit comprising a body disposed under the housing and a light emitting module disposed under the body; and a reflector disposed between the housing and the body, wherein the body comprises a top surface disposed under the inner surface of the housing and a bottom surface, and wherein the light emitting module is disposed on the bottom surface.
    Type: Grant
    Filed: May 2, 2016
    Date of Patent: March 6, 2018
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jin Wook Kim, Ji Hwan Jeon, Sang Jun Hong, Young Kuk Kwak
  • Patent number: 9529141
    Abstract: A lighting module may be provided that comprises: a first and a second light sources, which are disposed opposite to each other; a first case including the first light source; a second case including the second light source; a first plate of which one side is connected to the first case and the other side is connected to the second case; and a second plate of which one side is connected to the first case and the other side is connected to the second case, wherein the second plate is disposed opposite to the first plate, wherein the first plate has a plurality of first holes, wherein the second plate has a plurality of second holes, and wherein a size of one of the first holes is different from a size of one of the second holes.
    Type: Grant
    Filed: January 5, 2015
    Date of Patent: December 27, 2016
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Han Gyoul Kim, Young Kuk Kwak, Sang Jun Hong, Young Sik Kim
  • Publication number: 20160334569
    Abstract: A lighting module comprises: a light guide plate comprising a top surface and a bottom surface, wherein the light guide plate is configured to emit a first light upward from the top surface and a second light downward from the bottom surface; a first case covering an one side of the light guide plate; a second case covering an other side of the light guide plate; a first light source which is disposed in the first case and is configured to emit light to the one side of the light guide plate; and a second light source which is disposed in the second case and is configured to emit light to the other side of the light guide plate.
    Type: Application
    Filed: April 14, 2015
    Publication date: November 17, 2016
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Han Gyoul KIM, Young Kuk KWAK, Sang Jun HONG, Young Sik KIM
  • Publication number: 20160290596
    Abstract: A lighting apparatus comprises: a body comprising a first body and a second body, wherein the first body comprises a first bottom surface and a first side surface, wherein the second body comprises a second bottom surface and a second side surface, and wherein the body has a receiving recess configured by the first bottom surface, the second bottom surface, the first side surface and the second side surface; a reflector disposed in the receiving recess of the body and comprising a plurality of reflective surfaces; and a light source disposed on the first side surface of the first body and the second side surface of the second body, disposed at an area corresponding to the reflective surfaces of the reflector.
    Type: Application
    Filed: June 1, 2016
    Publication date: October 6, 2016
    Inventors: Young Kuk KWAK, Sang Jun HONG, Ji Hoo KIM
  • Publication number: 20160281940
    Abstract: A holder and a lighting device including the holder are provided. The holder may include a holder body having a hole, an outlet provided in a side of the holder body, and a channel provided in the holder body to connect the hole with the outlet. The channel may include a first channel provided in a circumferential direction and having one side connected to the outlet, a second channel that guides one of two wires connected to a light source module to the first channel, and a third channel that guides another one of the two wires to the first channel.
    Type: Application
    Filed: March 24, 2016
    Publication date: September 29, 2016
    Inventors: Jin Wook KIM, Yeo Jun YUN, Ji Hwan JEON, Young Kuk KWAK, Bu Kwan JE, Gyung Mok WOO
  • Publication number: 20160245481
    Abstract: A lighting device may be provided that comprises a housing including an inner surface; a light source unit comprising a body disposed under the housing and a light emitting module disposed under the body; and a reflector disposed between the housing and the body, wherein the body comprises a top surface disposed under the inner surface of the housing and a bottom surface, and wherein the light emitting module is disposed on the bottom surface.
    Type: Application
    Filed: May 2, 2016
    Publication date: August 25, 2016
    Inventors: Jin Wook KIM, Ji Hwan JEON, Sang Jun HONG, Young Kuk KWAK
  • Patent number: 9383066
    Abstract: A lighting apparatus comprises: a body comprising a first body and a second body, wherein the first body comprises a first bottom surface and a first side surface, wherein the second body comprises a second bottom surface and a second side surface, and wherein the body has a receiving recess configured by the first bottom surface, the second bottom surface, the first side surface and the second side surface; a reflector disposed in the receiving recess of the body and comprising a plurality of reflective surfaces; and a light source disposed on the first side surface of the first body and the second side surface of the second body, disposed at an area corresponding to the reflective surfaces of the reflector.
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: July 5, 2016
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Young Kuk Kwak, Sang Jun Hong, Ji Hoo Kim
  • Publication number: 20160178831
    Abstract: A lighting module may be provided that comprises: a first and a second light sources, which are disposed opposite to each other; a first case including the first light source; a second case including the second light source; a first plate of which one side is connected to the first case and the other side is connected to the second case; and a second plate of which one side is connected to the first case and the other side is connected to the second case, wherein the second plate is disposed opposite to the first plate, wherein the first plate has a plurality of first holes, wherein the second plate has a plurality of second holes, and wherein a size of one of the first holes is different from a size of one of the second holes.
    Type: Application
    Filed: January 5, 2015
    Publication date: June 23, 2016
    Inventors: Han Gyoul KIM, Young Kuk KWAK, Sang Jun HONG, Young Sik KIM
  • Patent number: 9353931
    Abstract: A lighting device may be provided that includes a housing; a coupling member coupled to the housing; a reflector disposed between the housing and the coupling member; a light source unit connected to the coupling member; and an optical member connected to the light source unit, wherein the optical member transmits a part of light emitted from the light source unit and reflects the other part of the light to the reflector.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: May 31, 2016
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Jin Wook Kim, Ji Hwan Jeon, Sang Jun Hong, Young Kuk Kwak
  • Patent number: 9307595
    Abstract: A light emitting device driving module may be provided that includes: a light emitter including a first light emitter and a second light emitter connected to the first light emitter; a rectifier which receives an AC power and outputs a rectified voltage; and a controller which receives the rectified voltage from the rectifier and controls on/offs of the first light emitter and the second light emitter in accordance with a magnitude of the rectified voltage. The light emitting device driving module according to the embodiment controls the on/offs of two or more kinds of the light emitting devices by using the AC power, and thus, drives the light emitting device in such a manner as to have a high color rendering index.
    Type: Grant
    Filed: February 24, 2015
    Date of Patent: April 5, 2016
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Weon Cho, Young Kuk Kwak, Yu Jin Hwang
  • Publication number: 20150245437
    Abstract: A light emitting device driving module may be provided that includes: a light emitter including a first light emitter and a second light emitter connected to the first light emitter; a rectifier which receives an AC power and outputs a rectified voltage; and a controller which receives the rectified voltage from the rectifier and controls on/offs of the first light emitter and the second light emitter in accordance with a magnitude of the rectified voltage. The light emitting device driving module according to the embodiment controls the on/offs of two or more kinds of the light emitting devices by using the AC power, and thus, drives the light emitting device in such a manner as to have a high color rendering index.
    Type: Application
    Filed: February 24, 2015
    Publication date: August 27, 2015
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Weon CHO, Young Kuk KWAK, Yu Jin HWANG
  • Patent number: 9028127
    Abstract: A lighting module comprises a light guide plate including a predetermined pattern; a case covering both sides of the light guide plate; and a light source which is disposed in the case and is configured to emit light to the both sides of the light guide plate, wherein the light guide plate is configured to emit the light from the light source through a top surface and a bottom surface of light guide plate, and wherein the lighting module is configured to emit first light upward from the top surface of the light guide plate, and second light downward from the bottom surface of the light guide plate.
    Type: Grant
    Filed: August 2, 2013
    Date of Patent: May 12, 2015
    Assignee: LG Innotek Co., Ltd.
    Inventors: Han Gyoul Kim, Young Kuk Kwak, Sang Jun Hong, Young Sik Kim
  • Patent number: 8950922
    Abstract: A lighting module may be provided that comprises: a first and a second light sources, which are disposed opposite to each other; a light guide plate disposed between the first light source and the second light source and including a top surface and a bottom surface; a first case including the first light source; a second case including the second light source; and an optical plate disposed on at least one of the top surface and the bottom surface of the light guide plate, wherein the optical plate reflects a part of light from the first and the second light sources and transmits the rest of the light.
    Type: Grant
    Filed: October 17, 2013
    Date of Patent: February 10, 2015
    Assignee: LG Innotek Co., Ltd.
    Inventors: Han Gyoul Kim, Young Kuk Kwak, Sang Jun Hong, Young Sik Kim
  • Patent number: 8870429
    Abstract: A lighting module includes a first side light source; a second side light source; a first light guide plate disposed between the first side light source and the second side light source; a second light guide plate disposed between the first side light source and the second side light source and disposed below the first light guide plate; a reflective plate between the first light guide plate and the second light guide plate; a first case coupled to one side of the first light guide plate, coupled to one side of the second light guide plate, and receiving the first side light source; and a second case coupled to the other side of the first light guide plate, coupled to the other side of the second light guide plate, and receiving the second side light source.
    Type: Grant
    Filed: November 25, 2013
    Date of Patent: October 28, 2014
    Assignee: LG Innotek Co., Ltd.
    Inventors: Han Gyoul Kim, Hwa Young Kim, Il Yeong Kang, Young Kuk Kwak, Sang Jun Hong, Jin Wook Kim, Young Sik Kim