Patents by Inventor Hyoung-Joo Kim

Hyoung-Joo 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).

  • Publication number: 20130003477
    Abstract: A semiconductor memory device including an antifuse cell array and a spare antifuse cell array are provided. An antifuse cell array includes a first set of antifuse cells arranged in a first direction and each one of the first set of antifuse cells is connected to a corresponding one of first through nth word lines. The spare antifuse cell array includes a first spare set of antifuse cells arranged in the first direction and each one of the first spare set of antifuse cells is connected to a corresponding one of first through kth spare word lines. A first operation control circuit is configured to program antifuses of the antifuse cell array and the spare antifuse cell array, and to read a status of each of the antifuses. The first operation control circuit is commonly connected to the first set of antifuse cells and the first spare set of antifuse cells.
    Type: Application
    Filed: June 27, 2012
    Publication date: January 3, 2013
    Inventors: Ju-Seop PARK, Sin Ho KIM, Byung-Sik MOON, Jong-Pil SON, Jin-Ho KIM, Hyoung-Joo KIM, Jong-Min OH, Seong-Jin JANG
  • Patent number: 8300870
    Abstract: A variable directional microphone assembly and method of manufacturing the variable directional microphone assembly which includes a substrate, a semiconductor integrated circuit device, two microphone devices, a microphone body, and a case.
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: October 30, 2012
    Assignee: BSE Co., Ltd.
    Inventors: Dong-Sun Lee, Hyoung-Joo Kim
  • Patent number: 8277105
    Abstract: A backlight assembly and a manufacturing method of light guide plate of the backlight assembly is provided. The light guide plate includes an incident surface to which light is incident, an exiting surface from which the light exits, and a reflection surface facing the exiting surface. The light guide plate includes recesses provided on the reflection surface recessed toward the exiting surface to scatter the light. Each of the recesses has a depth-to-width ratio of about 0.2 to about 0.33. Two prism sheets are disposed on the light guide plate. Light exits from the light guide plate at an angle of about 25 degrees to about 30 degrees.
    Type: Grant
    Filed: July 9, 2009
    Date of Patent: October 2, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyoung-Joo Kim, Jaejoong Kwon, Sung-Kyu Shim
  • Patent number: 8267563
    Abstract: A backlight unit includes; a plurality of point light sources, a light guide plate including lateral sides and main planes substantially perpendicular to the lateral sides, and a printed circuit board on which the point light sources are mounted. At least one side of the light guide plate includes a first plane, which does not correspond to the point light sources, and a light incident plane corresponding to the point light sources and having a predetermined inclination angle with respect to the first plane.
    Type: Grant
    Filed: December 30, 2010
    Date of Patent: September 18, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: JooYoung Kim, Sung-Kyu Shim, Kwang-Wook Choi, Hyoung-Joo Kim
  • Publication number: 20120224119
    Abstract: A backlight assembly includes a light-emitting diode (LED) module and a bottom chassis. The LED module includes an LED package in which at least one LED chip is mounted, and first and second wire sockets respectively making contact with lead frames formed at two sides of the LED package. The bottom chassis has a coupling hole formed through a bottom portion for receiving a coupling hook of the LED module. Thus, a wire socket is configured to make contact with a lead frame formed at a side portion of an LED package and power is received through a wire inserted through the wire socket, so that an additional printed circuit board (PCB) or an additional flexible printed circuit board (FPCB) for providing the LED package with power may be omitted.
    Type: Application
    Filed: September 1, 2011
    Publication date: September 6, 2012
    Inventors: Joo-Woan Cho, Yong-Woo Lee, Hyoung-Joo Kim
  • Publication number: 20120170309
    Abstract: In a display apparatus, a light guide plate includes a chamfered corner portion that defines a light incident surface. A light source unit is arranged adjacent to the light incident surface to provide the light to the light guide plate through the light incident surface. A display panel receives light from the light guide plate to display an image. A receiving container includes sidewalls and a bottom portion to accommodate the light guide plate and the light source unit. At least one sidewall adjacent to the corner portion is divided into a first part and a second part that may be coupled to or separated from each other. Thus, the light guide plate and the light source unit may be easily accommodated in the receiving container, thereby improving an assembling efficiency.
    Type: Application
    Filed: July 28, 2011
    Publication date: July 5, 2012
    Inventors: Hyoung-Joo Kim, Joo Young Kim, Young-Min Park, So-Yeon Lee, Gicherl Kim
  • Publication number: 20120163023
    Abstract: A thermal spacing structure is provided within a display apparatus that includes a heat-emitting light source and a thermally deformable light guide plate (LGP). In one embodiment, the thermal spacing structure includes a pair of spacer members disposed at sides of the light source and engaging the light guide plate so as to space the light source from a light receiving incident surface of the PGP by a predetermined distance.
    Type: Application
    Filed: July 6, 2011
    Publication date: June 28, 2012
    Inventors: Hyoung-Joo KIM, JinHee Park, Young-Min Park, JooYoung Kim
  • Patent number: 8182131
    Abstract: In accordance with one or more embodiments of the present disclosure, a light guide plate includes a first light incident surface receiving a first external light, a second light incident surface receiving a second external light and opposite to the first light incident surface, a light exit surface connecting the first and second light incident surfaces to output the first and second external lights, a reflective surface reflecting the first and second external lights in opposition to the light exit surface, and optical path changing portions each of which having a first inclined surface and a second inclined surface. The optical path changing portions are provided on the reflective surface with a predetermined interval and recessed toward the light exit surface to reflect the first and second external lights to the light exit surface.
    Type: Grant
    Filed: January 15, 2009
    Date of Patent: May 22, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Kyu Shim, In-Sung Hwang, Hyoung-Joo Kim, Jae-Joong Kwon, Seung-In Baek
  • Publication number: 20120099341
    Abstract: In a backlight assembly and a display apparatus having the backlight assembly, the backlight assembly includes a back cover configured to accommodate and retain a light source mounted on a circuit substrate into a receiving cavity of the back cover. Heat generated by the light source may be effectively transmitted to the back cover, thereby preventing temperature in the backlight assembly from increasing.
    Type: Application
    Filed: June 29, 2011
    Publication date: April 26, 2012
    Inventors: Jaejoong KWON, Hyoung-Joo Kim, Joo Young Kim, Sung-Kyu Shim, Seung-Hwa Ha, Seul-Gi Kim, Young-Min Park, Hayoung Lee
  • Publication number: 20110279753
    Abstract: A display apparatus includes a light guide plate, a light source unit, a display panel, a receiving container, and a driving part. The light guide plate includes at least one chamfered corner and a light incident surface defined by the chamfered corner. The light source unit generates the light and is positioned adjacent to the light incident surface. The display panel receives the light to display an image and the receiving container includes a bottom and sidewalls extended from the bottom to receive the light guide plate and the light source unit. The driving part is electrically connected to the display panel to apply a driving signal to the display panel and is electrically connected to the light source unit to apply a power source voltage to the light source unit.
    Type: Application
    Filed: March 2, 2011
    Publication date: November 17, 2011
    Inventors: Hyoung-Joo KIM, Heugon KIM, Sung-Kyu SHIM, JinHee PARK, JooYoung KIM, Jae-Hyun KIM, So-Yeon LEE, Gicherl KIM, Seokhyun NAM
  • Publication number: 20110267915
    Abstract: Provided are an anti-fuse, an anti-fuse circuit, and a method of fabricating the anti-fuse. The anti-fuse includes a semiconductor substrate, an isolation region, a channel diffusion region, a gate oxide layer, and a gate electrode. The semiconductor substrate includes a top surface and a bottom portion, the bottom portion of the semiconductor substrate having a first conductivity type. The isolation region is disposed inward from the top surface of the semiconductor substrate to a first depth. The channel diffusion region is disposed inward from the top surface of the semiconductor substrate to a second depth, the second depth located at a depth where the channel diffusion region meets an upper boundary of the bottom portion of the semiconductor substrate.
    Type: Application
    Filed: March 18, 2011
    Publication date: November 3, 2011
    Inventors: Jong-Pil SON, Seong-Jin Jang, Byung-Sik Moon, Doo-Young Kim, Hyoung-Joo Kim, Ju-Seop Park
  • Publication number: 20110261587
    Abstract: A backlight unit includes; a plurality of point light sources, a light guide plate including lateral sides and main planes substantially perpendicular to the lateral sides, and a printed circuit board on which the point light sources are mounted. At least one side of the light guide plate includes a first plane, which does not correspond to the point light sources, and a light incident plane corresponding to the point light sources and having a predetermined inclination angle with respect to the first plane.
    Type: Application
    Filed: December 30, 2010
    Publication date: October 27, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: JooYoung KIM, Sung-Kyu SHIM, Kwang-Wook CHOI, Hyoung-Joo KIM
  • Patent number: 8002452
    Abstract: A light guide plate and a display device having the same are provided, which can uniformly emit light on the whole. The light guide plate includes a light input part including first and second areas to which light is incident, and a light output part neighboring the light input part and outputting light. The light having passed through the first area is emitted with its light quantity distribution biased in a first direction, and the light having passed through the second area is emitted with its light quantity distribution biased in a second direction different than the first direction.
    Type: Grant
    Filed: June 27, 2008
    Date of Patent: August 23, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Joong Kwon, Hyoung-Joo Kim, In-Sun Hwang, Seung-In Baek, Sung-Kyu Shim
  • Publication number: 20110188263
    Abstract: Provided are a backlight assembly and a display device having the same. The backlight assembly includes; a light guide plate (“LGP”) having a light incident portion upon which light is incident and an opposite portion which is disposed substantially opposite to the light incident portion, a lower housing which accommodates the LGP therein, and at least one LGP fixing tape which fixes the LGP into the lower housing, wherein the at least one LGP fixing tape is interposed between the lower housing and lower surfaces of two opposite ends of the light incident portion of the LGP.
    Type: Application
    Filed: December 30, 2010
    Publication date: August 4, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joo-Woan CHO, Yong-Woo LEE, Hyoung-Joo KIM
  • Patent number: 7976207
    Abstract: Provided are a backlight assembly and a display device having the same. The backlight assembly includes a light source unit which generates light; and a light guide plate which comprises an incident light surface through which the light from the light source unit enters the light guide plate, an upper surface joined to the incident light surface and that includes a prism pattern, and a lower surface opposing the upper surface and formed with a plurality of concave portions. A diffusing pattern is formed on one of the upper surface and the lower surface.
    Type: Grant
    Filed: November 7, 2008
    Date of Patent: July 12, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyoung-Joo Kim, Sung-Kyu Shim, Seung-In Baek, Jae-Joong Kwon, In-Sun Hwang, Sung-Wook Kang
  • Patent number: 7974011
    Abstract: A dual prism sheet includes a base film, upper prisms formed on an upper surface of the base film and lower prisms formed on a lower surface of the base film. A cross-section of the upper and lower prisms is formed as an isosceles triangular shape having a base and a vertex angle, and a phase of the upper prisms is delayed between about 0 and about 0.5 times of a prism pitch with respect to a phase of the lower prisms.
    Type: Grant
    Filed: July 27, 2007
    Date of Patent: July 5, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyoung-Joo Kim, In-Sun Hwang, Heu-Gon Kim, Sung-Kyu Shim, Taek-Sun Shin
  • Patent number: 7936420
    Abstract: A monolithic light guiding and dispersing plate is provided in a backlighted display panel for receiving input light from one or more edge sources and for guiding the received light throughout the plate for substantially uniform reflection upwardly and substantially uniform dispersal toward an image forming plane located above the light guiding and dispersing plate. In one embodiment, the light guiding and dispersing plate has a light receiving surface upon which the light generated by an edge light source is incident, a top major surface which is adjacent to the light receiving surface and on which a plurality of first protrusions are formed and elongated in a first direction, wherein the first protrusions have cross-sections in the shapes of partial ellipses. The plate further has a bottom major surface in which light reflecting recesses are defined to reflect light upwardly towards the top major surface.
    Type: Grant
    Filed: July 28, 2008
    Date of Patent: May 3, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyoung-joo Kim, Jae-joong Kwon, Seung-in Baek, Sung-kyu Shim, Sung-wook Kang, Jun-young Lee, In-sun Hwang
  • Patent number: 7936411
    Abstract: Disclosed herein are a light guide plate, a backlight assembly including the light guide plate, and a liquid crystal display device including the backlight assembly which can uniformly maintain the brightness uniformity and prevent the moiré phenomenon. The light guide plate in accordance with the present disclosure includes: an incident surface, to which light generated from a light source is incident, including a diffusion pattern formed in a round shape; an emitting surface, through which the light is emitted, including a first prism pattern; and an opposite surface, formed opposite to the emitting surface, including a direction change pattern by which the direction of the light is changed toward the emitting surface.
    Type: Grant
    Filed: May 29, 2008
    Date of Patent: May 3, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyoung-Joo Kim, Jae-Joong Kwon, Seung-In Baek, Sung-Kyu Shim, In-Sun Hwang
  • Publication number: 20110096951
    Abstract: A variable directional microphone assembly and method of manufacturing the variable directional microphone assembly which includes a substrate, a semiconductor integrated circuit device, two microphone devices, a microphone body, and a case.
    Type: Application
    Filed: August 29, 2008
    Publication date: April 28, 2011
    Inventors: Dong-Sun Lee, Hyoung-Joo Kim
  • Patent number: 7866870
    Abstract: A backlight assembly which can reduce manufacturing costs and enhance display quality of a liquid crystal display (“LCD”). The backlight assembly includes: a light source emitting light; and a light guide plate (“LGP”) including an incident surface on which light emitted from the light source is incident, a top surface which adjoins the incident surface, and a bottom surface which adjoins the incident surface, faces the top surface, and includes a plurality of lower prisms separated from one another and flat portions interposed between the lower prisms, wherein each of the lower prisms includes a first surface and a second surface which are adjacent to each other, the first surface including a plurality of oblique planes having different positive slopes, the second surface having a negative slope, and where the slope forms an angle with a line normal to the incident surface.
    Type: Grant
    Filed: October 1, 2008
    Date of Patent: January 11, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Kyu Shim, Seung-In Baek, Hyoung-Joo Kim, Jae-Jong Kwon, In-Sun Hwang