Patents by Inventor Mangeun Kim

Mangeun Kim 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: 9632357
    Abstract: A display device comprises a display panel and a backlight unit. The backlight unit comprises: a bottom cover; a light source module mounted on the bottom cover and including: light sources arranged at uniform intervals; and a circuit board on which the light sources are mounted; a reflective layer placed above the light source module to reflect the light emitted from the light sources towards the display panel; a screening layer disposed over the reflective layer at a distance therefrom and having patterned holes to allow only a portion of the light reflected from the reflective layer to be transmitted; and a spacer disposed between the reflective layer and the screening layer to form a light guide layer defined by a vacant space between the reflective layer and the screening layer and to maintain the uniform height of the light guide layer.
    Type: Grant
    Filed: July 17, 2012
    Date of Patent: April 25, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Chilkeun Park, Sangcheon Kim, Mangeun Kim, Hyouk Kwon, Hyunho Lee
  • Publication number: 20170059937
    Abstract: A lighting device including a circuit substrate; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the circuit substrate, the reflection layer comprising a plurality of openings where respective light sources are located; a plurality of absorbers disposed at an edge of the reflection layer and at an angle with respect to the reflection layer, wherein first areas aligned with the respective light sources have a greater density of the plurality of absorbers than second areas between the first areas; and an optical sheet disposed on the light sources. In addition, a central axis of a corresponding first area matches a central axis of a corresponding light source.
    Type: Application
    Filed: November 14, 2016
    Publication date: March 2, 2017
    Applicant: LG ELECTRONICS INC.
    Inventors: Yongjin KIM, Munheon HONG, Chilkeun PARK, Sangcheon KIM, Mangeun KIM
  • Publication number: 20170054053
    Abstract: A light emitting device package assembly including a first substrate, a plurality of light emitting device packages disposed on the first substrate, and a light conversion member disposed on the light emitting device packages. Each of the light emitting device packages includes a main body disposed on the first substrate and including a first cavity, a light source disposed in the first cavity, and a first matrix disposed in the first cavity. Further, the light conversion member includes a second substrate including a plurality of second cavities, a second matrix disposed in the second cavities, and first light conversion particles disposed in the second matrix.
    Type: Application
    Filed: July 22, 2016
    Publication date: February 23, 2017
    Applicant: LG ELECTRONICS INC.
    Inventors: Seongman JEON, Moongoo CHOI, Mangeun KIM, Jinwoo SUNG
  • Publication number: 20170045199
    Abstract: Disclosed is a backlight unit comprising: a reflecting plate having a light source seated thereon; a first metal pattern formed on one surface of the reflecting plate so as to make contact with the light source; and a second metal pattern formed on the other surface of the reflecting plate and electrically connected to the first metal pattern.
    Type: Application
    Filed: December 27, 2013
    Publication date: February 16, 2017
    Applicant: LG ELECTRONICS INC.
    Inventors: Mangeun KIM, Sangcheon KIM, Taegu KANG, Seongman JEON, Hyunho LEE, Kyoungwoo JO, Yongjin KIM
  • Patent number: 9551899
    Abstract: A lighting device including a circuit substrate; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the circuit substrate, the reflection layer comprising a plurality of openings where respective light sources are located; a plurality of light regulating patterns disposed at an edge of the reflection layer and at an inclination with respect to the reflection layer, wherein corresponding light regulating patterns are disposed closer to the edge of the reflection layer at first areas aligned with the respective light sources than light regulating patterns at second areas between the first areas; and an optical sheet disposed on the light sources.
    Type: Grant
    Filed: January 11, 2016
    Date of Patent: January 24, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Yongjin Kim, Munheon Hong, Chilkeun Park, Sangcheon Kim, Mangeun Kim
  • Patent number: 9494824
    Abstract: A lighting device including a circuit substrate; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the circuit substrate, the reflection layer comprising a plurality of openings where respective light sources are located; a plurality of absorbers disposed at an edge of the reflection layer and at an inclination with respect to the reflection layer, wherein the plurality of absorbers have a greater density at first areas aligned with the respective light sources than at second areas between the first areas; and an optical sheet disposed on the light sources.
    Type: Grant
    Filed: January 11, 2016
    Date of Patent: November 15, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Yongjin Kim, Munheon Hong, Chilkeun Park, Sangcheon Kim, Mangeun Kim
  • Patent number: 9482897
    Abstract: Disclosed is a planar lighting device and more particularly, a planar lighting device including a light emitting device. The planar lighting device includes a plurality of light sources arranged on a first surface of a circuit substrate, the light sources mounted thereon, a light regulator disposed in an edge of the first surface, the light regulator regulating luminance difference caused by difference in distance between a plurality of light sources close to the edge, and an optical sheet disposed on the light sources.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: November 1, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Yongjin Kim, Munheon Hong, Chilkeun Park, Sangcheon Kim, Mangeun Kim
  • Publication number: 20160124266
    Abstract: A lighting device including a circuit substrate; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the circuit substrate, the reflection layer comprising a plurality of openings where respective light sources are located; a plurality of light regulating patterns disposed at an edge of the reflection layer and at an inclination with respect to the reflection layer, wherein corresponding light regulating patterns are disposed closer to the edge of the reflection layer at first areas aligned with the respective light sources than light regulating patterns at second areas between the first areas; and an optical sheet disposed on the light sources.
    Type: Application
    Filed: January 11, 2016
    Publication date: May 5, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: Yongjin Kim, Munheon Hong, Chilkeun Park, Sangcheon Kim, Mangeun Kim
  • Publication number: 20160124267
    Abstract: A lighting device including a circuit substrate; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the circuit substrate, the reflection layer comprising a plurality of openings where respective light sources are located; a plurality of absorbers disposed at an edge of the reflection layer and at an inclination with respect to the reflection layer, wherein the plurality of absorbers have a greater density at first areas aligned with the respective light sources than at second areas between the first areas; and an optical sheet disposed on the light sources.
    Type: Application
    Filed: January 11, 2016
    Publication date: May 5, 2016
    Applicant: LG ELECTRONICS INC.
    Inventors: Yongjin KIM, Munheon HONG, Chilkeun PARK, Sangcheon KIM, Mangeun KIM
  • Publication number: 20150293405
    Abstract: A display device comprises a display panel and a backlight unit. The backlight unit comprises: a bottom cover; a light source module mounted on the bottom cover and including: light sources arranged at uniform intervals; and a circuit board on which the light sources are mounted; a reflective layer placed above the light source module to reflect the light emitted from the light sources towards the display panel; a screening layer disposed over the reflective layer at a distance therefrom and having patterned holes to allow only a portion of the light reflected from the reflective layer to be transmitted; and a spacer disposed between the reflective layer and the screening layer to form a light guide layer defined by a vacant space between the reflective layer and the screening layer and to maintain the uniform height of the light guide layer.
    Type: Application
    Filed: July 17, 2012
    Publication date: October 15, 2015
    Applicant: LG ELECTRONICS INC.
    Inventors: Chilkeun Park, Sangcheon Kim, Mangeun Kim, Hyouk Kwon, Hyunho Lee
  • Patent number: 9153749
    Abstract: The present invention relates to a light emitting device package and a lighting device with the same. The light emitting device package comprises a package body having a first surface and a second surface, wherein the first surface has a mounting portion positioned thereon, and a through hole provided therein to pass through the first surface and the second surface, at least one pair of first electrodes on the first surface, at least one pair of second electrodes on the second surface connected to the first electrodes through the through hole respectively, a light emitting device on the mounting portion connected to the first electrodes electrically, a light wavelength conversion layer positioned on the light emitting device, and a protective layer on the light wavelength conversion layer for sealing the mounting portion.
    Type: Grant
    Filed: December 28, 2011
    Date of Patent: October 6, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Mangeun Kim, Chilkeun Park, Sangcheon Kim, Moongoo Choi
  • Patent number: 9080740
    Abstract: A planar lighting device includes a circuit substrate, a plurality of light sources disposed on the circuit substrate, a reflection layer disposed on the circuit substrate, the reflection layer including a first region having a plurality of openings where the respective light sources are located, and a second region connected to the first region, wherein the second region is bent in a direction from the first region, a hole pattern having a plurality of holes provided in the second region of the reflection layer, wherein at least two holes of the hole pattern are different in size, and an optical sheet disposed on the light sources.
    Type: Grant
    Filed: August 8, 2014
    Date of Patent: July 14, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Yongjin Kim, Munheon Hong, Chilkeun Park, Sangcheon Kim, Mangeun Kim
  • Patent number: 9069206
    Abstract: The present invention relates to a device which comprises a light source of a light emitting device, and more particularly to a circuit board, a backlight unit and a liquid crystal display device with the same. The backlight unit comprises a circuit board having a first line with circuit lines provided thereto, a plurality of second lines connected to the first line each to have elasticity at least at a point connected to the first line, and a light emitting device mounting portion connected to the second line and electrically connected to the circuit line, and a light guide plate positioned on the circuit board.
    Type: Grant
    Filed: December 28, 2011
    Date of Patent: June 30, 2015
    Assignee: LG ELECTRONICS INC.
    Inventors: Taegu Kang, Mangeun Kim, Hyouk Kwon
  • Publication number: 20140347861
    Abstract: A planar lighting device includes a circuit substrate, a plurality of light sources disposed on the circuit substrate, a reflection layer disposed on the circuit substrate, the reflection layer including a first region having a plurality of openings where the respective light sources are located, and a second region connected to the first region, wherein the second region is bent in a direction from the first region, a hole pattern having a plurality of holes provided in the second region of the reflection layer, wherein at least two holes of the hole pattern are different in size, and an optical sheet disposed on the light sources.
    Type: Application
    Filed: August 8, 2014
    Publication date: November 27, 2014
    Inventors: Yongjin KIM, Munheon HONG, Chilkeun PARK, Sangcheon KIM, Mangeun Kim
  • Publication number: 20140204578
    Abstract: Disclosed is a planar lighting device and more particularly, a planar lighting device including a light emitting device. The planar lighting device includes a plurality of light sources arranged on a first surface of a circuit substrate, the light sources mounted thereon, a light regulator disposed in an edge of the first surface, the light regulator regulating luminance difference caused by difference in distance between a plurality of light sources close to the edge, and an optical sheet disposed on the light sources.
    Type: Application
    Filed: January 22, 2014
    Publication date: July 24, 2014
    Applicant: LG ELECTRONICS INC.
    Inventors: Yongjin KIM, Munheon HONG, Chilkeun PARK, Sangcheon KIM, Mangeun KIM
  • Publication number: 20130215068
    Abstract: Disclosed is a transparent electrode film structure and a touch screen, the structure including a retarder film, first and second hard coating layers coated on both surfaces of the retarder film, an optical layer formed on the second hard coating layer, and a transparent electrode film formed on the optical layer.
    Type: Application
    Filed: February 23, 2012
    Publication date: August 22, 2013
    Applicant: LG ELECTRONICS INC.
    Inventors: Seongman Jeon, Mangeun Kim, Hyunkwon Shin, Sangcheon Kim
  • Publication number: 20130002981
    Abstract: The present invention relates to a device which comprises a light source of a light emitting device, and more particularly to a circuit board, a backlight unit and a liquid crystal display device with the same. The backlight unit comprises a circuit board having a first line with circuit lines provided thereto, a plurality of second lines connected to the first line each to have elasticity at least at a point connected to the first line, and a light emitting device mounting portion connected to the second line and electrically connected to the circuit line, and a light guide plate positioned on the circuit board.
    Type: Application
    Filed: December 28, 2011
    Publication date: January 3, 2013
    Inventors: Taegu KANG, Mangeun KIM, Hyouk KWON
  • Publication number: 20120267661
    Abstract: The present invention relates to a light emitting device package and a lighting device with the same. The light emitting device package comprises a package body having a first surface and a second surface, wherein the first surface has a mounting portion positioned thereon, and a through hole provided therein to pass through the first surface and the second surface, at least one pair of first electrodes on the first surface, at least one pair of second electrodes on the second surface connected to the first electrodes through the through hole respectively, a light emitting device on the mounting portion connected to the first electrodes electrically, a light wavelength conversion layer positioned on the light emitting device, and a protective layer on the light wavelength conversion layer for sealing the mounting portion.
    Type: Application
    Filed: December 28, 2011
    Publication date: October 25, 2012
    Inventors: Mangeun Kim, Chilkeun Park, Sangcheon Kim, Moongoo Choi
  • Publication number: 20120250350
    Abstract: Provided is a display apparatus. The display apparatus includes a display panel and a backlight unit including a light source disposed at a rear side of the display panel to provide light. The light source includes a sub mount substrate, a light emitting chip mounted on a top surface of the sub mount substrate, a resin layer disposed on the top surface of the sub mount substrate to surround the light emitting chip, and a transmittance adjustment layer disposed on a top surface of the resin layer to adjust a transmitting rate of light emitted from the light emitting chip.
    Type: Application
    Filed: March 29, 2012
    Publication date: October 4, 2012
    Inventors: Mangeun Kim, Moongoo Choi, Seonghun Kwon, ChilKeun Park, Hyunho Lee, Taegu Kang, Sangcheon Kim, Seongman Jeon
  • Publication number: 20120162966
    Abstract: Provided is a display apparatus. The display apparatus includes a display panel and a backlight unit disposed at a rear side of the display panel to provide light. The backlight unit includes a first layer, a light source disposed on the first layer, a light guide layer having a hollow for receiving the light source, the light guide layer being disposed above the first layer to transmit and diffuse light emitted from the light source, and a reflection member disposed in the hollow to reflect at least one portion of the light emitted from the light source to the display panel toward the inside of the light guide layer.
    Type: Application
    Filed: November 1, 2011
    Publication date: June 28, 2012
    Applicant: LG ELECTRONICS INC.
    Inventors: Mangeun Kim, Moongoo Choi, Seonghun Kwon, ChilKeun Park, Hyunho Lee, Taegu Kang, Sangcheon Kim, Seongman Jeon