Patents by Inventor Ju Young Bang

Ju Young Bang 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: 11961775
    Abstract: In one example, a semiconductor device can comprise a substrate, a device stack, first and second internal interconnects, and an encapsulant. The substrate can comprise a first and second substrate sides opposite each other, a substrate outer sidewall between the first substrate side and the second substrate side, and a substrate inner sidewall defining a cavity between the first substrate side and the second substrate side. The device stack can be in the cavity and can comprise a first electronic device, and a second electronic device stacked on the first electronic device. The first internal interconnect can be coupled to the substrate and the device stack. The encapsulant can cover the substrate inner sidewall and the device stack and can fill the cavity. Other examples and related methods are disclosed herein.
    Type: Grant
    Filed: November 8, 2022
    Date of Patent: April 16, 2024
    Assignee: Amkor Technology Singapore Holding Pte. Ltd.
    Inventors: Gyu Wan Han, Won Bae Bang, Ju Hyung Lee, Min Hwa Chang, Dong Joo Park, Jin Young Khim, Jae Yun Kim, Se Hwan Hong, Seung Jae Yu, Shaun Bowers, Gi Tae Lim, Byoung Woo Cho, Myung Jea Choi, Seul Bee Lee, Sang Goo Kang, Kyung Rok Park
  • Patent number: 9201188
    Abstract: A backlight unit and a liquid crystal display device having the same which may facilitate control of output light through a light guide plate, improve light concentration effect, and reduce moire. The backlight unit includes light sources generating light, a light guide plate guiding light through an incidence surface opposite the light sources, emitting the light through an emission surface, and having lower patterns of a prism shape formed on the lower surface of the light guide plate opposite the emission surface by inclined surfaces and sub-inclined surfaces, and at least one optical sheet stacked on the emission surface.
    Type: Grant
    Filed: November 26, 2013
    Date of Patent: December 1, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Hee-Cheoul Kim, Ju-Young Bang, Dong-Seok Lee, Yeong-Eun Son, Min-Gyu Choi
  • Patent number: 8803786
    Abstract: This invention relates to a backlight unit that is adaptive for reducing light loss caused by an intermediate light guide panel and reducing sag of the intermediate light guide panel. A backlight unit may include a bottom cover where a reflection plate is formed, a plurality of light emitting diodes installed inside the bottom cover, a plurality of intermediate light guide panels installed on the light emitting diodes and separated from each other, a diffusion plate for diffusing the light from the intermediate light guide panels and the reflection plate, and a plurality of optical sheets placed on the diffusion plate.
    Type: Grant
    Filed: June 8, 2006
    Date of Patent: August 12, 2014
    Assignee: LG Display Co., Ltd.
    Inventor: Ju Young Bang
  • Publication number: 20140160397
    Abstract: A backlight unit and a liquid crystal display device having the same which may facilitate control of output light through a light guide plate, improve light concentration effect, and reduce moire. The backlight unit includes light sources generating light, a light guide plate guiding light through an incidence surface opposite the light sources, emitting the light through an emission surface, and having lower patterns of a prism shape formed on the lower surface of the light guide plate opposite the emission surface by inclined surfaces and sub-inclined surfaces, and at least one optical sheet stacked on the emission surface.
    Type: Application
    Filed: November 26, 2013
    Publication date: June 12, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Hee-Cheoul Kim, Ju-Young Bang, Dong-Seok Lee, Yeong-Eun Son, Min-Gyu Choi
  • Patent number: 8004631
    Abstract: A backlight unit for a liquid crystal display (LCD) device includes a light emitting device (LED) array portion having a plurality of LEDs and a diverter sheet disposed on the LED array portion and having continuous reflection surface in spaced relationship with to the LED array portion.
    Type: Grant
    Filed: June 26, 2006
    Date of Patent: August 23, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Ju-Young Bang, Myung-Gi Jang, Hee-Jeong Park, Gil-Won Han
  • Patent number: 7883232
    Abstract: An LCD device includes an LED backlight assembly, a liquid crystal display panel over the LED backlight assembly, a bottom cover covering a rear side of the LED backlight assembly, a reflecting sheet on an inner side of the bottom cover, the reflecting sheet having a plurality of through-holes corresponding to the plurality of LEDs, a main cover enclosing edges of the liquid crystal display panel and the LED backlight assembly, and a top cover covering edges of a front side of the liquid crystal display panel and combined with the main cover. The LED backlight assembly includes a plurality of LED lamps, a diffusion plate spaced apart from the plurality of LED lamps and having a light transmittance within a range of about 50% to about 90%, and a plurality of optical sheets over the diffusion plate.
    Type: Grant
    Filed: December 13, 2005
    Date of Patent: February 8, 2011
    Assignee: LG Display Co., Ltd.
    Inventor: Ju-Young Bang
  • Patent number: 7859609
    Abstract: A backlight unit for a liquid crystal display device includes a reflector having a plurality of grooves and one or more light emitting diodes within each of the grooves.
    Type: Grant
    Filed: June 30, 2006
    Date of Patent: December 28, 2010
    Assignee: LG Display Co., Ltd.
    Inventor: Ju-Young Bang
  • Patent number: 7787073
    Abstract: A backlight unit includes a plurality of lamp array units, each having a plurality of LED lamps evenly arranged in one direction, a reflecting substance formed on an upper surface of each of the LED lamps to reflect light emitted from the corresponding LED lamp in a lateral direction, a light dispersion member provided over the lamp array units, and an outer case supporting the light dispersion member.
    Type: Grant
    Filed: December 28, 2005
    Date of Patent: August 31, 2010
    Assignee: LG Display Co., Ltd.
    Inventor: Ju Young Bang
  • Patent number: 7780312
    Abstract: A backlight assembly for a liquid crystal display device includes a bottom frame having an inner surface, printed circuit boards on the inner surface, and a plurality of light emitting diodes in rectangular-shaped clusters on each of the printed circuit boards, each of the light emitting diode clusters includes four light emitting diodes.
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: August 24, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Gil-Won Han, Hee-Jung Hong, Moo-Jong Lim, Ju-Young Bang, Jong-Hyun Choi
  • Patent number: 7782421
    Abstract: A side type light emitting diode (LED) liquid crystal display (LCD) includes a prism light guide panel in a side type LED backlight to allow scanning and divisional driving to improve motion blur of video or an overall sharpness of an image. The side type LED LCD includes: a lower cover; first and second prism light guide panels disposed in a plurality of layers on the lower cover, ridges of prism mountains formed on the first prism light guide panel being substantially perpendicular to ridges of prism mountains formed on the second prism light guide panel; lamp units being provided on at least one side of each prism light guide panel along the ridges of the prism mountains; and a liquid crystal panel separated from the prism light guide panels that receives light transmitted through the first and second light guide panels emitted from the light units.
    Type: Grant
    Filed: June 2, 2008
    Date of Patent: August 24, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Ju-Young Bang, In-Jae Chung
  • Patent number: 7772779
    Abstract: An external electrode fluorescent lamp for a backlight, including: a lamp that emits light; a first external electrode at one end of the lamp, and a second external electrode at a second end of the lamp; a dividing electrode between the first and second external electrodes and defining a plurality of divided regions; and a separating wall inside the lamp corresponding to the dividing electrode and separating the lamp into the divided regions.
    Type: Grant
    Filed: June 20, 2005
    Date of Patent: August 10, 2010
    Assignee: LG Display Co., Ltd.
    Inventor: Ju-Young Bang
  • Patent number: 7703935
    Abstract: A backlight unit in a direct type liquid crystal display device includes a plurality of lamps, wherein each lamp includes a first end, a second end opposing the first end, and a fluorescent part between the first and second ends, and a supporter supporting the plurality of lamps, wherein fluorescent parts of adjacent lamps are longitudinally offset from each other, and each lamp includes a first external electrode at the first end of the lamp, and a second external electrode at the second end of the lamp.
    Type: Grant
    Filed: April 29, 2005
    Date of Patent: April 27, 2010
    Assignee: LG Display Co., Ltd.
    Inventor: Ju-Young Bang
  • Patent number: 7530711
    Abstract: A backlight assembly includes light emitting diodes in patterns, a reflective sheet having a plurality of through holes through which the light emitting diodes protrude, and a sidewall dividing the patterns into a plurality of light emitting diode units.
    Type: Grant
    Filed: August 25, 2006
    Date of Patent: May 12, 2009
    Assignee: LG Display Co., Ltd.
    Inventor: Ju-Young Bang
  • Publication number: 20090015755
    Abstract: A side type light emitting diode (LED) liquid crystal display (LCD) includes a prism light guide panel in a side type LED backlight to allow scanning and divisional driving to improve motion blur of video or an overall sharpness of an image. The side type LED LCD includes: a lower cover; first and second prism light guide panels disposed in a plurality of layers on the lower cover, ridges of prism mountains formed on the first prism light guide panel being substantially perpendicular to ridges of prism mountains formed on the second prism light guide panel; lamp units being provided on at least one side of each prism light guide panel along the ridges of the prism mountains; and a liquid crystal panel separated from the prism light guide panels that receives light transmitted through the first and second light guide panels emitted from the light units.
    Type: Application
    Filed: June 2, 2008
    Publication date: January 15, 2009
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Ju-Young Bang, In-Jae Chung
  • Publication number: 20070147075
    Abstract: A backlight unit for a liquid crystal display device includes a reflector having a plurality of grooves and one or more light emitting diodes within each of the grooves.
    Type: Application
    Filed: June 30, 2006
    Publication date: June 28, 2007
    Applicant: LG.PHILIPS LCD CO., LTD.
    Inventor: Ju-Young Bang
  • Publication number: 20070070625
    Abstract: A backlight assembly includes light emitting diodes in patterns, a reflective sheet having a plurality of through holes through which the light emitting diodes protrude, and a sidewall dividing the patterns into a plurality of light emitting diode units.
    Type: Application
    Filed: August 25, 2006
    Publication date: March 29, 2007
    Applicant: LG.PHILIPS LCD CO., LTD.
    Inventor: Ju-Young Bang
  • Publication number: 20060290840
    Abstract: A backlight unit for a liquid crystal display (LCD) device includes a light emitting device (LED) array portion having a plurality of LEDs and a diverter sheet disposed on the LED array portion and having continuous reflection surface in spaced relationship with to the LED array portion.
    Type: Application
    Filed: June 26, 2006
    Publication date: December 28, 2006
    Inventors: Ju-Young Bang, Myung-Gi Jang, Hee-Jeong Park, Gil-Won Han
  • Publication number: 20060279671
    Abstract: A backlight assembly for a liquid crystal display device includes a bottom frame having an inner surface, printed circuit boards on the inner surface, and a plurality of light emitting diodes in rectangular-shaped clusters on each of the printed circuit boards, each of the light emitting diode clusters includes four light emitting diodes.
    Type: Application
    Filed: May 31, 2006
    Publication date: December 14, 2006
    Applicant: LG.PHILIPS LCD CO., LTD.
    Inventors: Gil-Won Han, Hee-Jung Hong, Moo-Jong Lim, Ju-Young Bang, Jong-Hyun Choi
  • Publication number: 20060193148
    Abstract: An LCD device includes an LED backlight assembly, a liquid crystal display panel over the LED backlight assembly, a bottom cover covering a rear side of the LED backlight assembly, a reflecting sheet on an inner side of the bottom cover, the reflecting sheet having a plurality of through-holes corresponding to the plurality of LEDs, a main cover enclosing edges of the liquid crystal display panel and the LED backlight assembly, and a top cover covering edges of a front side of the liquid crystal display panel and combined with the main cover. The LED backlight assembly includes a plurality of LED lamps, a diffusion plate spaced apart from the plurality of LED lamps and having a light transmittance within a range of about 50% to about 90%, and a plurality of optical sheets over the diffusion plate. The LED assembly may be used in a method for providing a planar light source to an LCD panel in an LCD device.
    Type: Application
    Filed: December 13, 2005
    Publication date: August 31, 2006
    Inventor: Ju-Young Bang
  • Publication number: 20060145619
    Abstract: An external electrode fluorescent lamp for a backlight, including: a lamp that emits light; a first external electrode at one end of the lamp, and a second external electrode at a second end of the lamp; a dividing electrode between the first and second external electrodes and defining a plurality of divided regions; and a separating wall inside the lamp corresponding to the dividing electrode and separating the lamp into the divided regions.
    Type: Application
    Filed: June 20, 2005
    Publication date: July 6, 2006
    Inventor: Ju-Young Bang