Patents by Inventor Sung-Kyu Shim

Sung-Kyu Shim 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: 20140376208
    Abstract: An optical structure includes a body facing a light emitting surface of a light emitting diode package and including a portion protruding toward the light emitting surface of the light emitting diode package, where a surface of the protruding portion faces the light emitting surface and forms a reflective surface of the optical structure; and a leg elongated from a periphery of the body toward the point light source, where the leg supports the body to be spaced apart from the light emitting diode package.
    Type: Application
    Filed: October 23, 2013
    Publication date: December 25, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Sung-Kyu SHIM, Kang-Woo LEE, In Sun HWANG, Do Hun KIM, Hyoung-Joo KIM, Tae Yong RYU
  • Publication number: 20140347887
    Abstract: A backlight assembly includes a plurality of point light sources, a light guide plate (“LGP”) and a printed circuit board (“PCB”). The LGP has a light incident face in which light is incident, a side surface extending from an edge portion of the light incident face, and a fixing groove which is formed from the side surface toward an inner portion thereof The PCB includes a point light source disposing portion in which the point light sources are disposed along a first direction, an extending portion extending from the point light disposing portion along a second direction substantially perpendicular to the first direction, and a protrusion which is fixed at an end portion of the extending portion. The protrusion of the PCB is coupled with the fixing groove of the LGP.
    Type: Application
    Filed: August 13, 2014
    Publication date: November 27, 2014
    Inventors: Joo-Woan CHO, Sung-Kyu SHIM, Sang-Hoon LEE, Joo-Young KIM, Taek-Sun SHIN, Jin-Hee PARK, Kwang-Wook CHOI
  • Patent number: 8840293
    Abstract: A backlight assembly includes a plurality of point light sources, a light guide plate (“LGP”) and a printed circuit board (“PCB”). The LGP has a light incident face in which light is incident, a side surface extending from an edge portion of the light incident face, and a fixing groove which is formed from the side surface toward an inner portion thereof. The PCB includes a point light source disposing portion in which the point light sources are disposed along a first direction, an extending portion extending from the point light disposing portion along a second direction substantially perpendicular to the first direction, and a protrusion which is fixed at an end portion of the extending portion. The protrusion of the PCB is coupled with the fixing groove of the LGP.
    Type: Grant
    Filed: January 2, 2014
    Date of Patent: September 23, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joo-Woan Cho, Sung-Kyu Shim, Sang-Hoon Lee, Joo-Young Kim, Taek-Sun Shin, Jin-Hee Park, Kwang-Wook Choi
  • Patent number: 8834005
    Abstract: A backlight assembly includes a light guide plate, a light source, a mold and a main frame. The light guide plate includes a first surface and a second surface extending from the first surface. The light source is disposed adjacent to the first surface of the light guide plate. The mold includes an upper portion, a lower portion and a side portion. The side portion connects to the upper and lower portions to form a receiving space, and the receiving space receives the light source and the first surface of the light guide plate. The main frame includes side walls and an upper wall extending from an upper portion of the side walls, and the mold is disposed in an opening below the upper wall.
    Type: Grant
    Filed: December 2, 2011
    Date of Patent: September 16, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Heu-Gon Kim, Jin-Hee Park, Sung-Kyu Shim, Jae-Hyun Kim
  • Patent number: 8814415
    Abstract: A light-emitting module includes a light guide plate and a light source unit in accordance with an embodiment. The light guide plate include an upper surface, a lower surface facing the upper surface, a plurality of side surfaces connecting the upper surface and the lower surface, and a cross-sectional surface connected to at least one of the side surfaces. The light source unit includes a substrate disposed in correspondence with the cross-sectional surface and a point light source mounted on the substrate to emit light to the cross-sectional surface. Thus, light-emitting efficiency may be enhanced and the arrangement of point light sources may be optimized, so that a required amount of emitted light may be obtained using a small number of the point light sources. In addition, uniformity of luminance and heat-radiating efficiency may also be enhanced.
    Type: Grant
    Filed: April 23, 2010
    Date of Patent: August 26, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyoung-Joo Kim, Ju-Young Yoon, Jae-Joong Kwon, Chi-O Cho, Jin-Hee Park, Joo-Young Kim, Sung-Kyu Shim
  • Patent number: 8786803
    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: Grant
    Filed: March 2, 2011
    Date of Patent: July 22, 2014
    Assignee: Samsung Display Co., Ltd.
    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: 20140185316
    Abstract: A display device according to an embodiment of the invention includes a display member configured to display images, a light source member configured to generate light, and a light guiding member disposed between the light source member and the display member. The light guiding member is configured to guide the light to the display member. The display member, the light source member, and the light guiding member are integrated as a single unit. The light source member generates blue light. The light guiding member includes a light guide layer and a fluorescent layer disposed on a top surface or a bottom surface of the light guide layer. The fluorescent layer is configured to convert the blue light into white light.
    Type: Application
    Filed: June 6, 2013
    Publication date: July 3, 2014
    Inventors: Hyoung-Joo Kim, Sung-Kyu Shim, Seok Hyun Nam, Jin sung Choi
  • Publication number: 20140146521
    Abstract: A display device includes a light source, a mirror reflection guide member, a diffusion reflection member, and a display panel. The light source extends in a first direction and is configured to emit light. The mirror reflection guide member is configured to: support the light source, and guide at least some of the light to a second direction substantially perpendicular to the first direction. The mirror reflection guide member includes a plurality of guide patterns extending in the second direction and arranged in the first direction. The diffusion reflection member is configured to guide at least some of the light to a third direction substantially perpendicular to the first and second directions. The display panel is disposed on the mirror reflection guide member and the diffusion reflection member and is configured to display an image using the light guided by the diffusion reflection member.
    Type: Application
    Filed: April 5, 2013
    Publication date: May 29, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Kyung-Min KIM, Seung-Hwa Ha, Yongkyu Kang, Sung-Kyu Shim
  • Publication number: 20140119054
    Abstract: A backlight assembly includes a plurality of point light sources, a light guide plate (“LGP”) and a printed circuit board (“PCB”). The LGP has a light incident face in which light is incident, a side surface extending from an edge portion of the light incident face, and a fixing groove which is formed from the side surface toward an inner portion thereof The PCB includes a point light source disposing portion in which the point light sources are disposed along a first direction, an extending portion extending from the point light disposing portion along a second direction substantially perpendicular to the first direction, and a protrusion which is fixed at an end portion of the extending portion. The protrusion of the PCB is coupled with the fixing groove of the LGP.
    Type: Application
    Filed: January 2, 2014
    Publication date: May 1, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Joo-Woan CHO, Sung-Kyu SHIM, Sang-Hoon LEE, Joo-Young KIM, Taek-Sun SHIN, Jin-Hee PARK, Kwang-Wook CHOI
  • Publication number: 20140098563
    Abstract: A backlight unit includes a light guide plate including a plurality of light emitting areas and a light source part providing light to the light guide part. The light guide part includes a main light guide part and a sub-light guide part formed as a single piece with the main light guide part or partially overlapped with the main light guide part. A display device includes a display panel displaying an image and the backlight unit.
    Type: Application
    Filed: April 16, 2013
    Publication date: April 10, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: HEUGON KIM, Jae-Hyun KIM, JooYoung KIM, Sung-Kyu SHIM, CHI-O CHO, INSUN HWANG, Kwang-Wook CHOI
  • Patent number: 8636399
    Abstract: A backlight assembly includes a plurality of point light sources, a light guide plate (“LGP”) and a printed circuit board (“PCB”). The LGP has a light incident face in which light is incident, a side surface extending from an edge portion of the light incident face, and a fixing groove which is formed from the side surface toward an inner portion thereof. The PCB includes a point light source disposing portion in which the point light sources are disposed along a first direction, an extending portion extending from the point light disposing portion along a second direction substantially perpendicular to the first direction, and a protrusion which is fixed at an end portion of the extending portion. The protrusion of the PCB is coupled with the fixing groove of the LGP.
    Type: Grant
    Filed: October 29, 2012
    Date of Patent: January 28, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joo-Woan Cho, Sung-Kyu Shim, Sang-Hoon Lee, Joo-Young Kim, Taek-Sun Shin, Jin-Hee Park, Kwang-Wook Choi
  • Patent number: 8576240
    Abstract: A display apparatus includes a backlight unit generating light, a display panel including a plurality of pixels controlling transmittance of the light based upon pixel data, a timing controller compensating the pixel data, and a data driver driving the display panel based upon the compensated pixel data. The display panel includes a first area to which the light having a first brightness is supplied and a second area to which the light having a second brightness lower than the first brightness is supplied. The timing controller compensates for the pixel data supplied to at least one area of the first and second areas using a predetermined compensation value to reduce a brightness difference between the first and second areas.
    Type: Grant
    Filed: December 16, 2009
    Date of Patent: November 5, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joo Woan Cho, Gicherl Kim, Jaejoong Kwon, Sung-Kyu Shim, SEul-Gi Kim
  • Publication number: 20130242541
    Abstract: Disclosed is a display device that can uniformly transmit light emitted from a light source to the entire display panel without using a light guide plate. The display device includes a display panel, a backlight assembly supplying light to the display panel, and a lower cover receiving the backlight assembly. The backlight assembly includes a light source, a circuit board mounted with the light source, and a reflection cover coupled to the circuit board to reflect light emitted from the light source and formed of a bendable plate type member.
    Type: Application
    Filed: March 4, 2013
    Publication date: September 19, 2013
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyung-Min KIM, Sung-Kyu SHIM, Yong-Hoon KWON, Do Hun KIM, Dong Hyeon LEE, Seung Hwan CHUNG, Seung-Hwa HA, Se Ki PARK, Seong-Yong HWANG, You Ra KIM
  • Patent number: 8297823
    Abstract: A backlight assembly includes a plurality of point light sources, a light guide plate (“LGP”) and a printed circuit board (“PCB”). The LGP has a light incident face in which light is incident, a side surface extending from an edge portion of the light incident face, and a fixing groove which is formed from the side surface toward an inner portion thereof. The PCB includes a point light source disposing portion in which the point light sources are disposed along a first direction, an extending portion extending from the point light disposing portion along a second direction substantially perpendicular to the first direction, and a protrusion which is fixed at an end portion of the extending portion. The protrusion of the PCB is coupled with the fixing groove of the LGP.
    Type: Grant
    Filed: May 20, 2010
    Date of Patent: October 30, 2012
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joo-Woan Cho, Sung-Kyu Shim, Sang-Hoon Lee, Joo-Young Kim, Taek-Sun Shin, Jin-Hee Park, Kwang-Wook Choi
  • 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: 20120201044
    Abstract: A backlight assembly includes a light guide plate, a light source, a mold and a main frame. The light guide plate includes a first surface and a second surface extending from the first surface. The light source is disposed adjacent to the first surface of the light guide plate. The mold includes an upper portion, a lower portion and a side portion. The side portion connects to the upper and lower portions to form a receiving space, and the receiving space receives the light source and the first surface of the light guide plate. The main frame includes side walls and an upper wall extending from an upper portion of the side walls, and the mold is disposed in an opening below the upper wall.
    Type: Application
    Filed: December 2, 2011
    Publication date: August 9, 2012
    Inventors: Heu-Gon Kim, Jin-Hee Park, Sung-Kyu Shim, Jae-Hyun Kim
  • Patent number: 8197113
    Abstract: Provided is a display device for an embodiment in which a central axis of a light guide plate (LGP) and a central axis of one or more light sources are matched with each other to maximize efficiency of the light sources, and which has an ultra-slim structure. The display device may include: a display panel which displays an image; an LGP which guides light to the display panel; light sources which are disposed on a side of the LGP and provide light to the LGP; a circuit board which is disposed on a side of the display panel with the light sources mounted on a surface thereof, and driving chips which drive the display panel mounted on an opposite surface thereof; and a frame which houses the LGP and the light sources and on which the circuit board and the display panel are mounted.
    Type: Grant
    Filed: October 26, 2009
    Date of Patent: June 12, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Se-Ki Park, Joo-Woan Cho, Sung-Kyu Shim, Young-Keun Lee
  • 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