Patents by Inventor Yong-kweun Mun

Yong-kweun Mun 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: 20110096250
    Abstract: An active lens includes: a first nanoelectrode unit; a second nanoelectrode unit formed to face the first nanoelectrode unit; and a liquid crystal layer disposed between the first nanoelectrode unit and the second nanoelectrode unit. Liquid crystal molecules of the liquid crystal layer are aligned according to an electric field formed by a voltage applied to the first and second nanoelectrode units to form a refractive power.
    Type: Application
    Filed: August 18, 2010
    Publication date: April 28, 2011
    Inventors: Seung-nam Cha, Sun-il Kim, Yong-kweun Mun, Jae-eun Jang
  • Publication number: 20110069039
    Abstract: A multi-touch sensing display apparatus is provided. The multi-touch sensing display apparatus may include a back light unit, a display panel, a sensor unit on a display surface of the display panel, and a touch light source unit providing light to be diffused by a touch of a user so that the sensor unit senses the touch of the user. The touch light source unit may include a touch light source and a transparent light guide plate. The transparent light guide plate may include a light guiding unit and a plurality of light emitting units integrally formed with each other as a single body, wherein the light guiding unit guides light from the touch light source to an inside thereof, and the plurality of light emitting units protrudes from the light guiding unit and emits light from the light guiding unit.
    Type: Application
    Filed: April 27, 2010
    Publication date: March 24, 2011
    Inventors: Hong-seok Lee, Yong-kweun Mun, Jung-woo Kim
  • Publication number: 20100231501
    Abstract: Provided is a transflective display apparatus including a light source, a light guide plate guiding light from the light source or incident external light toward the inside, emitting the light or the incident external light to a light emitting surface of the light guide plate, and including a diffusion reflective member formed on the light emitting surface, a color reflective member disposed in a lower portion of the light guide plate and including a plurality of arrayed color regions for reflecting light of a color, a light modulation member disposed in an upper portion of the light guide plate, modulating light, and forming an image, including a plurality of pixel regions corresponding to the plurality of color regions, respectively, each of the plurality of pixel regions including an effective region and an ineffective region, wherein the diffusion reflective member is disposed to face the ineffective region.
    Type: Application
    Filed: February 17, 2010
    Publication date: September 16, 2010
    Inventors: Yong-kweun Mun, Hong-seok Lee, Yoon-sun Choi, Hoon Song
  • Publication number: 20100208169
    Abstract: Provided is a transflective display apparatus including a color reflective plate disposed at a light emitting surface of a light guide plate, and a display panel disposed at another surface of the light emitting surface of the light guide plate so that light emitted from a light source is reflected by a color reflective plate through the light guide plate and travels toward the display panel.
    Type: Application
    Filed: January 20, 2010
    Publication date: August 19, 2010
    Inventors: Yong-kweun Mun, Hong-seok Lee, Yoon-sun Choi, Hoon Song
  • Publication number: 20100208497
    Abstract: Light guide plates having a filled-in type light emitting structure, display apparatuses using a light guide plate and methods of fabricating the same are provided, the light guide plates include a transparent light guide member, and a reflection member filled in the light guide member. The reflection member reflects light incident on the light guide member. The reflection member has a plurality of light exit holes through which light, reflected inside the light guide member, exits.
    Type: Application
    Filed: January 19, 2010
    Publication date: August 19, 2010
    Inventors: Hoon Song, Yong-kweun Mun, Yoon-sun Choi, Hong-seok Lee
  • Publication number: 20100186816
    Abstract: A solar cell, including a substrate, a first electrode disposed on the substrate, a photoelectric conversion layer disposed on the first electrode, and a second electrode disposed on the photoelectric conversion layer, wherein a grating is disposed on at least one of the first electrode and the second electrode.
    Type: Application
    Filed: January 25, 2010
    Publication date: July 29, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-Cheol PARK, Jung-Gyu NAM, Jin-Soo MUN, Sung-Chul KIM, Yong-Kweun MUN, Hong-Seok LEE
  • Publication number: 20100157200
    Abstract: Example embodiments relate to a backlight unit and a display apparatus employing the same. The backlight unit may include a light source; a polarization conversion unit configured to convert polarization of light incident from the light source; and a light guide plate configured to emit light incident through the polarization conversion unit. The light guide plate may include a plurality of light emitting portions configured to emit light through specular reflection. The light polarized by the polarization conversion unit may maintain its polarization state when it is subsequently emitted from the light guide plate.
    Type: Application
    Filed: September 18, 2009
    Publication date: June 24, 2010
    Inventors: Yong-kweun Mun, Hong-seok Lee, Yoon-sun Choi, Hoon Song
  • Patent number: 7719744
    Abstract: A one-dimensional (1D) spatial light modulator (SLM) and an image output device employing the same are provided. The 1D SLM includes: a light deflector including a light guide that is formed of a photonic crystal material having a refractive index that can be varied according to an applied voltage and allows incident light to continue along an original propagation path or deflects the incident light from the original propagation path on a pixel-by-pixel basis, and an electrode portion individually applying a voltage to the light guide; and a light blocking member facing a light exiting surface of the light deflector and blocking a portion of light exiting the light deflector.
    Type: Grant
    Filed: October 15, 2007
    Date of Patent: May 18, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-hwa Won, Yong-kweun Mun
  • Publication number: 20100118065
    Abstract: A display apparatus according to example embodiments may include a light source; an all-in-one type light guide plate; a reflective plate; and a display panel. The all-in-one type light guide plate may include a light guide member and light emitting members, wherein the light guide member reflects light incident from the light source toward the light emitting members, and the light emitting members protrude from one side of the light guide member and emit light incident from the light guide member. The light guide member and the light emitting members may be integrally formed or individually combined to form an all-in-one type light guide plate. The display apparatus may form an image using light from a backlight unit and external light.
    Type: Application
    Filed: September 16, 2009
    Publication date: May 13, 2010
    Inventors: Hoon Song, Hong-seok Lee, Yong-kweun Mun, Yoon-sun Choi
  • Patent number: 7633462
    Abstract: A diffraction grating including a substrate, and a grating member formed on the substrate, the grating member having a stepped structure including steps, the number of which corresponds to an odd number greater than or equal to three to provide an odd phase structure. The heights of the steps of the grating member are determined such that the light beams diffracted by their corresponding steps substantially have a phase difference of ? with reference to a diffracted light beam of a reference wavelength.
    Type: Grant
    Filed: April 1, 2005
    Date of Patent: December 15, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Pil-Soo Ahn, Serafimovi Pavel, Byoung-Ho Cheong, Yong-Kweun Mun, Jin-Ho Lee
  • Patent number: 7489714
    Abstract: A speckle reduction laser and a laser display apparatus having the speckle reduction laser are provided. The speckle reduction laser includes a semiconductor unit that comprises an active layer and emits laser light through a first side surface thereof by resonating light generated from the active layer, and a vibration mirror unit disposed adjacent to a second side surface of the semiconductor unit. The laser further includes a mirror, and the resonance of the laser light is generated between the first side surface of the semiconductor unit and the mirror, and a resonance mode of the laser light is changed according to the vibration of the mirror.
    Type: Grant
    Filed: August 22, 2007
    Date of Patent: February 10, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-hwa Park, Kyoung-ho Ha, Jun-o Kim, Yong-kweun Mun
  • Patent number: 7450186
    Abstract: A laser television including a plurality of lasers for generating different wavelengths of interferential light; a scanner for displaying color images on a screen composed from the light; and a phase diffuser positioned between the lasers and the scanner for diffusing the light from the lasers according to the light's wavelength. The phase diffuser having a boundary surface, through which the light is outputted to the scanner. The boundary surface is slanted with a predetermined angle to regulate the range of diffraction of the light according to the wavelength.
    Type: Grant
    Filed: May 18, 2005
    Date of Patent: November 11, 2008
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Pil-Soo Ahn, Serafimovich Pavel, Jin-Ho Lee, Yong-Kweun Mun, Byoung-Ho Cheong
  • Patent number: 7436574
    Abstract: Provided is a one-axis driving optical scanner which includes a substrate, a stage separated from the substrate to a predetermined height and having an upper surface where an optical scanning surface is formed, a torsion spring supporting the stage from middle portions of both edge sides of the stage, a support portion fixed to the substrate to support the torsion spring, a driving portion rotating the stage with respect to the torsion spring forming a center axis, and a flat panel type tuning electrode arranged in an area of the substrate corresponding to the stage.
    Type: Grant
    Filed: June 5, 2007
    Date of Patent: October 14, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-chul Ko, Jin-ho Lee, Ju-hyun Lee, Yong-kweun Mun
  • Publication number: 20080204858
    Abstract: A one-dimensional (1D) spatial light modulator (SLM) and an image output device employing the same are provided. The 1D SLM includes: a light deflector including a light guide that is formed of a photonic crystal material having a refractive index that can be varied according to an applied voltage and allows incident light to continue along an original propagation path or deflects the incident light from the original propagation path on a pixel-by-pixel basis, and an electrode portion individually applying a voltage to the light guide; and a light blocking member facing a light exiting surface of the light deflector and blocking a portion of light exiting the light deflector.
    Type: Application
    Filed: October 15, 2007
    Publication date: August 28, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jong-hwa Won, Yong-kweun Mun
  • Publication number: 20080180776
    Abstract: A speckle reduction laser and a laser display apparatus having the speckle reduction laser are provided. The speckle reduction laser includes a semiconductor unit that comprises an active layer and emits laser light through a first side surface thereof by resonating light generated from the active layer, and a vibration mirror unit disposed adjacent to a second side surface of the semiconductor unit. The laser further includes a mirror, and the resonance of the laser light is generated between the first side surface of the semiconductor unit and the mirror, and a resonance mode of the laser light is changed according to the vibration of the mirror.
    Type: Application
    Filed: August 22, 2007
    Publication date: July 31, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Yong-hwa Park, Kyoung-ho Ha, Jun-o Kim, Yong-kweun Mun
  • Publication number: 20080170595
    Abstract: Provided is a speckle reduction laser that emits laser light by resonating light generated from an active layer. The speckle reduction laser includes a mode changing unit having an electro-optical material layer disposed in a resonance path of the laser light, wherein a resonance mode of the laser light is changed when a voltage is applied to the electro-optical material layer.
    Type: Application
    Filed: September 25, 2007
    Publication date: July 17, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Yong-kweun MUN, Jong-hwa Won
  • Patent number: 7362484
    Abstract: The optical scanner package having: an optical scanner device scanning an incident beam and including a scanning mirror and a comb-electrode structure operating the scanning mirror; a package container containing the optical scanner device; and a package window that is formed on the package container to hermetically seal the package container, and includes a reflection mirror which reflects the scanned beam from the optical scanner device to a screen unit on one side, thus separating the path of the scanned beam from the path of a noise beam derived from the incident beam.
    Type: Grant
    Filed: February 21, 2006
    Date of Patent: April 22, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-kweun Mun, Won-kyoung Choi
  • Publication number: 20070236767
    Abstract: Provided is a one-axis driving optical scanner which includes a substrate, a stage separated from the substrate to a predetermined height and having an upper surface where an optical scanning surface is formed, a torsion spring supporting the stage from middle portions of both edge sides of the stage, a support portion fixed to the substrate to support the torsion spring, a driving portion rotating the stage with respect to the torsion spring forming a center axis, and a flat panel type tuning electrode arranged in an area of the substrate corresponding to the stage.
    Type: Application
    Filed: June 5, 2007
    Publication date: October 11, 2007
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Young-chul Ko, Jin-ho Lee, Ju-hyun Lee, Yong-kweun Mun
  • Patent number: 7256916
    Abstract: The system includes an illumination system, a scanner, a non-linear optical element, and a pumping light source. The illumination system emits imaging beam and the scanner scans the beam incident from the illumination system. The non-linear optical element is made of a material having a Kerr effect or the like and forms a lens automatically aligned while following a path of the imaging beam scanned from the scanner. The pumping light source actives the non-linear optical element to cause a non-linear refractive index change of the non-linear optical element.
    Type: Grant
    Filed: February 6, 2006
    Date of Patent: August 14, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ju-hyun Lee, Yong-kweun Mun
  • Patent number: 7242511
    Abstract: Provided is a one-axis driving optical scanner which includes a substrate, a stage separated from the substrate to a predetermined height and having an upper surface where an optical scanning surface is formed, a torsion spring supporting the stage from middle portions of both edge sides of the stage, a support portion fixed to the substrate to support the torsion spring, a driving portion rotating the stage with respect to the torsion spring forming a center axis, and a flat panel type tuning electrode arranged in an area of the substrate corresponding to the stage.
    Type: Grant
    Filed: October 14, 2004
    Date of Patent: July 10, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-chul Ko, Jin-ho Lee, Ju-hyun Lee, Yong-kweun Mun