Patents by Inventor Seung-Hwan Chung

Seung-Hwan Chung 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: 9080278
    Abstract: A washing machine capable of preventing a balancer from being deviated from the center of a washing tub and eccentrically assembled to the washing tub, and a method of manufacturing the same is provided. For this purpose, a bending part bent corresponding to an outer circumference of the balancer may be formed at the washing tub. The balancer may include a connection rim formed at the outer circumference thereof for easier connection with the washing tub, and the bending part may enclose the connection rim.
    Type: Grant
    Filed: May 28, 2010
    Date of Patent: July 14, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Seung Hwan Chung
  • Publication number: 20150176804
    Abstract: A wavelength converter and a liquid crystal display having the same, the wavelength converter including a first pattern that converts a wavelength of light into red light, and a second pattern that converts a wavelength of light into green light. The first pattern and the second pattern are alternately disposed, and an optical path length La of each of the first pattern and the second pattern is given by Equation (1): La=(?a/2)×m, wherein La is an optical length of an a-th pattern, ?a is a wavelength of light converted by the a-th pattern, a is one or two, and m is a natural number.
    Type: Application
    Filed: April 4, 2014
    Publication date: June 25, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hyun Hwa SONG, Dong Hoon KIM, Sang Chul BYUN, Sang Hoon LEE, Seung Hwan CHUNG, Han Moe CHA
  • Publication number: 20150168630
    Abstract: A light guide panel includes a top surface configured to have first and second sides extending in X- and Y-axis directions, respectively, a bottom surface configured to be disposed opposite to the top surface, and includes a base surface, and a plurality of diffusion patterns which is provided to protrude from, or to be recessed into, the base surface, and each of the plurality of diffusion patterns including a first inclined surface which defines a first inclination angle with the base surface and a second inclined surface which adjoins the first inclined surface and defines a second inclination angle with the base surface, and a first side surface and a second side surface configured to be disposed between the top surface and the bottom surface and face each other, where the first inclination angle ranges from about 1.8 degrees to about 5.7 degrees.
    Type: Application
    Filed: April 27, 2014
    Publication date: June 18, 2015
    Applicant: Samsung Display Co. Ltd.
    Inventors: Se Ki PARK, Sang Woo HA, Jun Woo YOU, Ha Young LEE, Yu Dong KIM, Dong Yeol YEOM, Seung Hwan CHUNG
  • Patent number: 9022630
    Abstract: A display module includes a display panel including a display area and a non-display area, an upper prism layer including a plurality of parallel upper prisms at a lower surface thereof, wherein the plurality of the upper prisms are parallel to one another, a lower prism layer including a plurality of lower prisms at a lower surface thereof, wherein the plurality of the lower prisms are parallel to one another and extend in a substantially perpendicular direction to the upper prisms, and an adhesive part which is at a side of the upper prism layer and is adhered to the lower prism layer and the non-display area of the display panel, wherein the adhesive part fixes the upper prism layer and the lower prism layer to each other.
    Type: Grant
    Filed: December 4, 2012
    Date of Patent: May 5, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Hoon Kim, Se-Ki Park, Seung-Hwan Chung, Jin-Sung Choi, Chul-Hyun Choi, Seung-Hwa Ha, Seong-Yong Hwang
  • Publication number: 20150115236
    Abstract: An organic light-emitting display apparatus includes: a substrate; an organic light-emitting device including a first electrode disposed on the substrate, a second electrode disposed to face the first electrode, and an intermediate layer including an organic emission layer disposed between the first electrode and the second electrode; and a light scattering layer disposed on at least one of the first electrode and the second electrode disposed in a light emission direction, where the light scattering layer includes a plurality of barriers, and a light scattering pattern disposed at a side surface of each of the plurality of barriers.
    Type: Application
    Filed: July 21, 2014
    Publication date: April 30, 2015
    Inventors: Seung-Hwan Chung, Seul-Gi Kim, Jae-Joong Kwon
  • Publication number: 20150076457
    Abstract: An organic light-emitting display apparatus includes a substrate, an organic light-emitting device including a first electrode disposed on the substrate, a second electrode disposed opposite the first electrode, and an intermediate layer disposed between the first and second electrodes, where the intermediate layer includes an organic emission layer, and an encapsulation unit disposed on the organic light-emitting device, where at least one of the substrate and the encapsulation unit, which is disposed in an emission direction of light, includes a region having a first refractive index and a region having a second refractive index greater than the first refractive index, and the region having the first refractive index and the region having the second refractive index include materials having a same chemical formula as each other.
    Type: Application
    Filed: April 3, 2014
    Publication date: March 19, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jae-Joong Kwon, Ha-Young Lee, Seung-Hwan Chung
  • Publication number: 20150062871
    Abstract: An optical plate and a method of manufacturing the same are provided where the optical plate can be patterned to counter-compensate for luminance hot spots of corresponding light sources. More specifically, there is provided an optical plate comprising a substrate, and a patterned optical processing layer which is disposed on the substrate, wherein the patterned optical processing layer comprises flat area portions located close to the substrate, a plurality of protruding patterns which are located on or between the flat area portions and have concave portions formed at respective ends thereof, and a plurality of light diffusing patterns which are located on the concave portions, respectively.
    Type: Application
    Filed: December 11, 2013
    Publication date: March 5, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Joong Hyun KIM, Tae Yong RYU, Seung Hwan CHUNG
  • Publication number: 20150029692
    Abstract: A backlight unit which provides light to a liquid crystal display panel of a liquid crystal display. The backlight unit includes an optical lens module including an optical lens disposed above a point light source and configured to refract light output from the point light source, and a reflective polarization layer disposed directly on the optical lens and configured to separate polarization components of the light to transmit one polarization component and reflect another polarization component.
    Type: Application
    Filed: December 16, 2013
    Publication date: January 29, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Seung Hwan CHUNG, Dong-Yeol Yeom, Joong Hyun Kim, Jin Sook Bang, Sang Woo Ha
  • Publication number: 20140306589
    Abstract: A washing machine having a structure which stably supports a hose or a wire used in the washing machine to prevent sagging or movement of the hose or the wire. The washing machine includes a main body, a spin basket disposed within the main body, an upper cover connected to the upper portion of the main body, a detergent box connected to the bottom surface of the upper cover to supply detergent to the inside of the spin basket, a water supply valve connected to the rear end of the upper cover, a water supply hose connecting the water supply valve to the detergent box, and a support bracket connected to the bottom surface of the upper cover to support the water supply hose so as to prevent sagging of the water supply hose.
    Type: Application
    Filed: June 26, 2014
    Publication date: October 16, 2014
    Inventors: Seung Hwan Chung, Seung Kyu PARK, Myung Sun KANG
  • Patent number: 8800325
    Abstract: A washing machine having a structure which stably supports a hose or a wire used in the washing machine to prevent sagging or movement of the hose or the wire. The washing machine includes a main body, a spin basket disposed within the main body, an upper cover connected to the upper portion of the main body, a detergent box connected to the bottom surface of the upper cover to supply detergent to the inside of the spin basket, a water supply valve connected to the rear end of the upper cover, a water supply hose connecting the water supply valve to the detergent box, and a support bracket connected to the bottom surface of the upper cover to support the water supply hose so as to prevent sagging of the water supply hose.
    Type: Grant
    Filed: February 17, 2012
    Date of Patent: August 12, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung Hwan Chung, Seung Kyu Park, Myung Sun Kang
  • Patent number: 8746019
    Abstract: Disclosed herein is a washing machine including an overflow defined through a portion of one side of an upper part of a tub and formed in the shape of a cutout and guide ribs protruding from the outer circumference of the tub to guide wash water drained through the overflow. The overflow is formed by cutting one side of the upper part of the tub, so that the washing machine has a simple overflow structure.
    Type: Grant
    Filed: January 11, 2010
    Date of Patent: June 10, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung Hwan Chung, Myung Sun Kang
  • Patent number: 8733136
    Abstract: A washing machine has a water spray device to efficiently wet the laundry by spraying washing water to the laundry with uniform pressure. The washing machine includes an outer tub, and a water spray device installed at an upper portion of the outer tub to spray washing water. The water spray device includes a diffusion duct for diffusing the washing water around the outer tub and a spray member provided in the diffusion duct to spray the washing water into the outer tub.
    Type: Grant
    Filed: July 2, 2009
    Date of Patent: May 27, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung Hwan Chung, Yong Myoung Kim, Byung Don Jung, Seung Kwun Ahn
  • Publication number: 20140056024
    Abstract: A nanophosphor sheet is presented. The nanophosphor sheet may include a base layer, a plurality of core-shell phosphors dispersed in the base layer, and a coating layer surrounding at least one core-shell phosphor among the plurality of core-shell phosphors. Also presented is a backlight device that includes a light source emitting light, a light guide plate receiving the light, and a plurality of core-shell phosphors positioned to receive the light and convert the light to white light. The core-shell phosphors may be incorporated into the light guide plate or be positioned on the light guide plate as a separate layer.
    Type: Application
    Filed: February 6, 2013
    Publication date: February 27, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong Hoon KIM, Hyun-Hwa SONG, Seung Hwan CHUNG, Young Jun CHOI, Byung Choon YANG, Han Moe CHA
  • Publication number: 20140036528
    Abstract: A light guiding plate includes: a light guiding substrate; and a plurality of optical scattering patterns positioned on a first surface of the light guiding substrate. The plurality of optical scattering patterns respectively includes a binder, a scattering particle and a semiconductor nanocrystal. A color of light emitted from the plurality of optical scattering patterns is substantially the same.
    Type: Application
    Filed: November 12, 2012
    Publication date: February 6, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung-Mo KIM, Dong Hoon KIM, Seung Hwan CHUNG, Young Jun CHOI, Jin Sung CHOI
  • Patent number: 8587746
    Abstract: A liquid crystal display including a backlight assembly, panel guides and a liquid crystal panel. The backlight assembly includes a light guide plate, optical sheets disposed on the light guide plate, a reflective sheet disposed under the light guide plate, light sources disposed along at least one of first sides of the light guide plate, light source covers which cover the light sources, respectively, guide members disposed along at least one of second sides of the light guide plate, and a packing sheet in which the light guide plate, the optical sheets, the reflective sheet, the light source covers, and the guide members are wrapped. The panel guides are disposed on the packing sheet and coupled to the guide members, respectively. The liquid crystal panel is placed on the panel guides. An extension direction of the first sides crosses an extension direction of the second sides.
    Type: Grant
    Filed: October 6, 2009
    Date of Patent: November 19, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae-Seok Kim, Sang-Soo Kim, Tae-Seok Jang, Jin-Sung Choi, Seung-Hwan Chung
  • 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
  • Publication number: 20130044509
    Abstract: A backlight assembly includes a first light guide plate, a second light guide plate, a light source part and a cover part. The second light guide plate is spaced apart from the first light guide plate. The light source part includes a first light source providing light to the first light guide plate and a second light source providing light to the second light guide plate. The cover part is disposed over the light source part. The cover part overlaps with a portion of the first light guide plate and a portion of the second light guide plate. A display apparatus having the above configuration has a narrow bezel and a thin profile.
    Type: Application
    Filed: April 10, 2012
    Publication date: February 21, 2013
    Inventors: SEUNG-HWAN CHUNG, Cheol-Yong Noh, Kwang-Jin Jeong, Eui-Jeong Kang, Youn-Ho Han, Jae-Suk Yoo
  • Patent number: 8336343
    Abstract: An automatic washing machine includes a remaining water discharging passage to drain remaining water from a pump case by connecting a drain line with an inner part of the pump case. The washing machine includes a water tub; a pump case; a circulation pump coupled with the pump case that circulates washing water contained in the water tub; a drain line to drain the washing water contained in the water tub; and a remaining water discharge passage connecting an inner part of the pump case with the drain line to discharge water remaining in the pump case.
    Type: Grant
    Filed: September 1, 2009
    Date of Patent: December 25, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung Hwan Chung, Myung Sun Kang
  • Patent number: 8302432
    Abstract: A washing machine having an improved structure in circulation and drain of washing water are disclosed. The washing machine includes a main body, a water tub which is disposed in the main body, a drain line in which washing water drained from the water tub flows, a circulation line in which washing water returning to the water tub flows, a discharge line in which washing water discharged out of the main body flows, a pump which flows the washing water such that the washing water drained from the water tub returns to the water tub or is discharged out of the main body, a flow path switching device having a single reciprocating member which opens and closes the circulation line or the discharge line, and an operating unit which operates the flow path switching device.
    Type: Grant
    Filed: February 11, 2009
    Date of Patent: November 6, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seung Hwan Chung, Seung Kwun Ahn
  • Publication number: 20120216580
    Abstract: A washing machine which has an improved structure to easily assemble guide members guiding a connected position of an upper cover to the frames with the upper surfaces of frames. The washing machine includes frames forming the external appearance of the washing machine, an upper cover connected to the upper portions of the frames to form an inlet, and at least one guide member connected to the upper portions of the frames to guide the upper cover. The at least one guide member includes a guide protrusion connected to the upper cover, a fixing hook to connect the at least one guide member to the upper portions of the frames, and at least one fixing protrusion provided around the fixing hook to prevent movement of the at least one guide member connected to the upper portions of the frames.
    Type: Application
    Filed: February 21, 2012
    Publication date: August 30, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Hwan Chung, Young Mi Kim, June Yeb Lee