Patents by Inventor Hoon Hur

Hoon Hur 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: 8277104
    Abstract: A back-light unit including a plurality of substrates, a plurality of light sources respectively disposed on the plurality of substrates and configured to emit light, and N (N?2) light guide plates respectively disposed adjacent to the plurality of light sources, each light guide plate including a light incidence part having a light incidence surface for receiving light emitted in a first direction from a corresponding light source, and a light emission part for emitting the received incident light in a second direction different than the first direction. Further, at least one of the light guide plates includes light-extracting surface patterns disposed on the light emission part, and the light-extracting surface patterns comprise a first region of light-extracting surface patterns having a higher pattern-density than a second region of light-extracting surface patterns next to the first region.
    Type: Grant
    Filed: February 11, 2010
    Date of Patent: October 2, 2012
    Assignee: LG Electronics Inc.
    Inventors: Chan Sung Jeong, Jung Nam An, Min Ho Kim, Seung Se Kim, Hoon Hur, Won Do Kee
  • Patent number: 8243011
    Abstract: The present invention provides a display device.
    Type: Grant
    Filed: June 7, 2010
    Date of Patent: August 14, 2012
    Assignee: LG Electronics Inc.
    Inventors: Byunghyun An, Minchul Kim, Hoon Hur, Bupsung Jung, Seungse Kim, Myounghwa Ko
  • Patent number: 8243231
    Abstract: A backlight unit may be provided that includes a substrate, light sources, a light guide plate, at least one reflecting member, and an optical sheet. The light sources may be on the substrate. The light guide plate may include a light incident part having a light incident surface to which streaks of light respectively emitted from the light sources are laterally incident, and a light emitting part emitting the incident streaks of light upward. The reflecting member may be disposed on a lower surface of the light guide plate, and may reflect the incident light. The optical sheet may be disposed above the light guide plate. The reflecting member may include a first region having a first reflectance and a second region having a second reflectance.
    Type: Grant
    Filed: April 28, 2010
    Date of Patent: August 14, 2012
    Assignee: LG Electronics Inc.
    Inventors: Hoon Hur, Bup Sung Jung, Won Do Kee
  • Patent number: 8220981
    Abstract: An LED backlight unit and an LCD using a backlight unit may be provided. A liquid crystal display (LCD) may include a plurality of modules including a circuit board, a plurality of light emitting diode (LED) light sources arranged on the circuit board for emitting light, and a light guide plate having a light incidence part including an incident surface for receiving light emitted from the LED light source and a light emission part for emitting the light. The LCD may further include a frame having the plurality of the modules provided thereon, and at least one driving unit on one surface of the frame, wherein a connection hole is formed in the frame to connect the circuit board to the at least one driving unit.
    Type: Grant
    Filed: December 7, 2009
    Date of Patent: July 17, 2012
    Assignee: LG Electronics Inc.
    Inventors: Seung Choon Bae, Seung Se Kim, Hoon Hur
  • Patent number: 8189135
    Abstract: An LED back-light unit and other devices using the LED back-light unit are discussed. According to one embodiment, an LED back-light unit includes a light guide portion that includes a light guide plate and a reflection plate coupled to the light guide plate, wherein the light guide plate has a light input part and a first connection part, and wherein the reflection plate has a second connection part connected to the first connection part, and a light source including at least one light emitting diode, the light source emitting light toward the light guide portion.
    Type: Grant
    Filed: May 26, 2009
    Date of Patent: May 29, 2012
    Assignee: LG Electronics Inc.
    Inventors: Seung Choon Bae, Seung Se Kim, Hoon Hur
  • Publication number: 20120105507
    Abstract: The present invention relates to a liquid crystal display device in which the light sources of a backlight unit are independently driven as a plurality of separate regions, and to a drive method for the same. In situations where there is a substantial variation in the brightness (luminance) of regions being displayed on the liquid crystal display device, the present invention can improve the visibility of boundaries due to differences in luminance in images displayed within the regions of the backlight unit emitting light at different levels of luminance as a result.
    Type: Application
    Filed: April 30, 2010
    Publication date: May 3, 2012
    Applicant: LG ELECTRONICS
    Inventors: Jung Nam An, Min Ho Kim, Chan Sung Jeong, Seung Se Kim, Hoon Hur, Won Do Kee
  • Patent number: 8113704
    Abstract: An LED back-light unit and other devices using the LED back-light unit are discussed. According to one embodiment, an LED back-light unit includes a light guide portion that includes a light guide plate and a reflection plate coupled to the light guide plate, wherein the light guide plate has a light input part and a first connection part, and wherein the reflection plate has a second connection part connected to the first connection part, and a light source including at least one light emitting diode, the light source emitting light toward the light guide portion.
    Type: Grant
    Filed: November 13, 2009
    Date of Patent: February 14, 2012
    Assignee: LG Electronics Inc.
    Inventors: Seung Choon Bae, Seung Se Kim, Hoon Hur
  • Publication number: 20110249215
    Abstract: A backlight unit is provided that comprises a first layer, a plurality of light sources on the first layer, a reflection layer on the first layer, the reflection layer surrounding the plurality of light sources, a second layer on the reflection layer and the plurality of light sources, and a third layer on the second layer, the third layer comprising a plurality of light shielding patterns arranged to correspond to the light sources, respectively, and a light transmitting region surrounding the plurality of light shielding patterns, wherein the light transmitting region includes first regions adjacent to the light sources and second regions away from the light sources, and wherein the first regions are smaller in area than the second regions. A display apparatus comprising the backlight unit is provided as well.
    Type: Application
    Filed: April 12, 2011
    Publication date: October 13, 2011
    Applicant: LG ELECTRONICS INC.
    Inventors: Bupsung JUNG, Sangtae PARK, Soonhyung KWON, Seungchoon BAE, Heewon KWON, Hoon HUR
  • Publication number: 20110242492
    Abstract: A display module includes a plurality of light sources that emit light toward a display panel having a screen with a first aspect ratio. An image with a second aspect ratio different from the first aspect ratio is displayed in the first region and not in the second region, and one or more light sources corresponding to the second region are selectively turned off so that luminance of the first region is different from luminance of a second region.
    Type: Application
    Filed: February 25, 2011
    Publication date: October 6, 2011
    Inventors: Bupsung JUNG, Heewon Kwon, Hoon Hur
  • Publication number: 20110051411
    Abstract: A backlight unit and display device are discussed. According to an embodiment, a light generating device includes an array of light source devices disposed on a substrate and including first and second light source devices forming a first line, the first and second light source devices spaced apart from each other with a first distance and configured to emit light in a first direction; another array of light source devices disposed on the substrate and including third and fourth light source devices forming a second line, the third and fourth light source devices spaced apart from each other with a third distance and configured to emit light in a second direction which is different from the first direction, the second line being spaced apart from the first line so that the first light source device is spaced apart from the third light source device with a second distance therebetween.
    Type: Application
    Filed: August 20, 2010
    Publication date: March 3, 2011
    Inventors: Sungwoo Kim, Buwan Seo, Hoon Hur, Soonhyung Kwon, Seungchoon Bae, Minho Kim, Hyunho Lee, Sangsoo Hwang, Sangtae Park, Bupsung Jung
  • Publication number: 20110051045
    Abstract: A backlight unit may be provided that includes a substrate, light sources, a light guide plate, at least one reflecting member, and an optical sheet. The light sources may be on the substrate. The light guide plate may include a light incident part having a light incident surface to which streaks of light respectively emitted from the light sources are laterally incident, and a light emitting part emitting the incident streaks of light upward. The reflecting member may be disposed on a lower surface of the light guide plate, and may reflect the incident light. The optical sheet may be disposed above the light guide plate. The reflecting member may include a first region having a first reflectance and a second region having a second reflectance.
    Type: Application
    Filed: April 28, 2010
    Publication date: March 3, 2011
    Applicant: LG Electronics Inc.
    Inventors: Hoon Hur, Bup Sung JUNG, Won Do Kee
  • Publication number: 20110051412
    Abstract: A backlight unit and a display device including the backlight unit are discussed. According to an embodiment, a light generating device comprising: a first layer; light source devices disposed on the first layer and configured to emit light; a reflection layer disposed on the first layer and configured to reflect the light emitted from the light source devices; a second layer covering the light source devices and the reflection layer; a diffusion layer disposed on the second layer and configured to diffuse the light emitted from the light source devices; and an auxiliary layer having light shielding members placed between the second layer and the diffusion layer, the auxiliary layer being separated from the second layer so as to create an air space between a surface of the second layer and surfaces of the light shielding members, the air space extending along the light source devices.
    Type: Application
    Filed: August 20, 2010
    Publication date: March 3, 2011
    Inventors: Chansung Jeong, Sungwoo Kim, Buwan Seo, Soonhyung Kwon, Bupsung Jung, Seungchoon Bae, Sangtae Park, Hoon Hur
  • Publication number: 20110050557
    Abstract: A backlight unit may be provided that includes a substrate, light sources, and a light guide plate. The light sources are arrayed on the substrate, and emit light with a predetermined orientation angle with respect to a first direction, and include first through third light sources adjacent to each other. The light guide plate may include a light incident part having a light incident surface to which streaks of light respectively emitted from the light sources are laterally incident, and a light emitting part emitting the incident streaks of light upward and having a side adjacent and connected to the light incident part. A first distance between the first light source and the second light source is less than a second distance between the second light source and third light source.
    Type: Application
    Filed: March 19, 2010
    Publication date: March 3, 2011
    Applicant: LG Electronics Inc.
    Inventors: Hoon Hur, Bup Sung Jung, Chan Sung Jeong
  • Publication number: 20110037783
    Abstract: A backlight unit includes a plurality of light sources emitting light in a first direction with a predetermined orientation angle and a plurality of light guide panels, each including a light incident section and a light emitting section. The light incident section has a first surface to receive light emitted from one or more of the light sources in the first direction, and the light emitting section is to emit light received from the light incident section in a second direction. Also included is a reflecting member adjacent the light guide panels. The light emitting section of each light guide panel includes a portion that decreases in thickness from a first point to a second point, wherein the first point is closer to the light incident section and the second point.
    Type: Application
    Filed: March 19, 2010
    Publication date: February 17, 2011
    Inventors: Hoon HUR, Bup Sung Jung
  • Publication number: 20110025724
    Abstract: A backlight unit includes at least one light source emitting light in a first direction at a predetermined orientation angle and a plurality of light guide panels, each including a light incident section and a light emitting section. The light incident section has a first surface to receive the light emitted from the light source in the first direction, and the light emitting section is to emit light received from the light incident section in a second direction. At least one portion of the light emitting section of one light guide panel overlaps an upper side of a light incident section of another light guide panel and a space exists between the panels.
    Type: Application
    Filed: March 19, 2010
    Publication date: February 3, 2011
    Applicant: LG Electronics Inc.
    Inventors: Hoon Hur, Bup Sung Jung
  • Patent number: 7869674
    Abstract: A light emitting unit, an apparatus and method for manufacturing the same, an apparatus for molding a lens thereof, and a light emitting device package thereof, which are capable of achieving an enhancement in light extraction efficiency and an improvement in mass productivity, are disclosed. The light emitting unit manufacturing apparatus includes a mold including a first mold and a second mold coupled to each other under a condition in which at least one light emitting unit is interposed between the first and second molds, a groove formed in one of the first and second molds at a position facing the light emitting unit, the groove having a lens shape, and a passage extending from an outer surface of the mold to the groove.
    Type: Grant
    Filed: January 26, 2009
    Date of Patent: January 11, 2011
    Assignees: LG Electronics Inc., LG Innotek Co., Ltd.
    Inventors: Yong Suk Kim, Hoon Hur
  • Publication number: 20100315445
    Abstract: The present invention provides a display device.
    Type: Application
    Filed: June 7, 2010
    Publication date: December 16, 2010
    Inventors: Byunghyun An, Minchul Kim, Hoon Hur, Bupsung Jung, Seungse Kim, Myounghwa Ko
  • Publication number: 20100315446
    Abstract: The present invention provides a display device.
    Type: Application
    Filed: June 7, 2010
    Publication date: December 16, 2010
    Inventors: Byunghyun AN, Minchul Kim, Hoon Hur, Bupsung Jung, Seungse Kim, Myounghwa Ko
  • Publication number: 20100302805
    Abstract: A back-light unit including a plurality of substrates, a plurality of light sources respectively disposed on the plurality of substrates and configured to emit light, and N (N ?2) light guide plates respectively disposed adjacent to the plurality of light sources, each light guide plate including a light incidence part having a light incidence surface for receiving light emitted in a first direction from a corresponding light source, and a light emission part for emitting the received incident light in a second direction different than the first direction. Further, at least one of the light guide plates includes light-extracting surface patterns disposed on the light emission part, and the light-extracting surface patterns comprise a first region of light-extracting surface patterns having a higher pattern-density than a second region of light-extracting surface patterns next to the first region.
    Type: Application
    Filed: February 11, 2010
    Publication date: December 2, 2010
    Inventors: Chan Sung JEONG, Jung Nam An, MIn Ho Kim, Seung Se Kim, Hoon Hur, Won Do Kee
  • Publication number: 20100295068
    Abstract: In one embodiment, the light emitting device package includes a package body, electrodes attached to the package body, and at least two light emitting devices electrically connected to the electrodes. Each light emitting device emits light of a different color from the other light emitting devices. A protective layer is formed over the at least two light emitting devices, and a phosphor layer formed over the protective layer. Other embodiments include other structures such a individual phosphor layers on each light emitting device. And, a light apparatus including a package may include a single driver driving the light emitting devices of the package.
    Type: Application
    Filed: August 27, 2008
    Publication date: November 25, 2010
    Inventors: Bu Wan Seo, Sung Woo Kim, Hoon Hur, Yong Suk Kim