Patents by Inventor Young Min Park

Young Min Park 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: 9740042
    Abstract: A lens for a backlight of a display device, includes a lower surface, a groove portion defined recessed from the lower surface and comprising a curved surface; and an upper surface comprising an outer edge and a center, in a plan view, of which a distance from the lower surface decreases in a direction from the outer edge to the center.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: August 22, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji Eun Nam, Young-Min Park, Seok Hyun Nam
  • Patent number: 9733423
    Abstract: A backlight assembly includes a light source, a circuit board on which the light source is disposed, a light guide plate in which light emitted from the light source is incident on one surface and the incident light is emitted to another surface, a bottom chassis configured to accommodate the light guide plate, and a fixing frame coupled to the bottom chassis and configured to fix the circuit board. The fixing frame includes a first fixing frame on which the circuit board is disposed and a second fixing frame separably coupled to the first fixing frame and disposed on a bottom surface of the bottom chassis.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: August 15, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae Hyun Chae, Young Min Park, Myoung Seok Son
  • Patent number: 9722155
    Abstract: Provided is a LED light source package comprising a circuit board, a light source seated on an upper portion of the circuit board, and a lens structure arranged on the upper portion of the circuit board via the light source. A surface that faces the light source in the lens structure includes a first inclined surface that projects toward the light source as going to a center portion of the lens structure.
    Type: Grant
    Filed: June 13, 2016
    Date of Patent: August 1, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byung Seo Yoon, Seong Yong Hwang, Kyung Min Kim, Young Min Park
  • Publication number: 20170192295
    Abstract: A display apparatus includes a display panel, a backlight unit which provides a light to the display panel, and a light control member disposed between the display panel and the backlight unit. The light control member includes a plurality of first barrier wall members extending in a first direction and arranged in a second direction crossing the first direction.
    Type: Application
    Filed: November 30, 2016
    Publication date: July 6, 2017
    Inventors: Youra KIM, Donghoon KIM, Young-min PARK
  • Patent number: 9696588
    Abstract: A display device includes an optical member, a display panel disposed on the optical member, and a plurality of light emitting units disposed under the optical member, the optical member comprising, a diffusion layer, and a reflectivity control layer which is disposed under the diffusion layer and reflects a light provided from the light emitting units, including a first base material, reflective materials dispersed in the first base material, a plurality of first portions corresponding to the plurality of light emitting units, and a second portion disposed adjacent to the first portions, where each of the plurality of first portions comprises a greater amount of the reflective materials than the second portion, when a first portion and a second portion represent a unit area having a predetermined size.
    Type: Grant
    Filed: April 13, 2016
    Date of Patent: July 4, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Juhwa Ha, Seong-Yong Hwang, Dohun Kim, Young-Min Park, Yongkyu Kang, Byung-Seo Yoon, Juyoun Son
  • Patent number: 9684111
    Abstract: Provided is a display apparatus including a display panel, a light guide plate, a first light source unit, and a first reflective member. The display panel may receive light to display an image. A first recess may be defined on a surface of the light guide plate. The first light source unit may include a plurality of light sources that generate the light and are received in the first recess. The first reflective member may be received in the first recess and disposed between two mutually adjacent light sources of the first light source unit to reflect the light.
    Type: Grant
    Filed: July 27, 2015
    Date of Patent: June 20, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyungjin Kim, Young-Min Park, Jaesuk Yoo
  • Patent number: 9668349
    Abstract: A display apparatus includes a display panel curved along a first direction and a backlight unit providing a light to the display panel. The backlight unit includes a bottom chassis curved along the first direction and including a bottom portion configured to include first and second areas arranged in the first direction, light emitting diodes disposed on the bottom portion, and lens units covering the light emitting diodes in a one-to-one correspondence. The light emitting diodes includes a first light emitting diode in the first area and a second light emitting diode in the second area. A first lens distance between the first light emitting diode and a first lens unit covering the first light emitting diode is different from a second lens distance between the second light emitting diode and a second lens unit covering the second light emitting diode.
    Type: Grant
    Filed: April 29, 2015
    Date of Patent: May 30, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young-Min Park, Jaesang Lee, Juhee Song
  • Publication number: 20170123133
    Abstract: A display device includes a first display panel, a second display panel disposed to be spaced apart from the first display panel, a first light guide plate which is under the first display panel and provides light thereto, a second light guide plate which is under the second display panel and provides light thereto, a light source unit which is commonly disposed under the first and second light guide plates and generates and provides the light to the first and second light guide plates, and a reflective member which is disposed on the light source unit and is commonly disposed on the first and second light guide plates, the reflective member defining a first curved surface which reflects the light to the first light guide plate and a second curved surface which reflects the light to the second light guide plate.
    Type: Application
    Filed: June 24, 2016
    Publication date: May 4, 2017
    Inventors: Young-min PARK, Luly LEE, Eunju NAM, Min-young SONG
  • Patent number: 9634826
    Abstract: Described is an apparatus which comprises: a time-to-digital converter (TDC) to receive a reference clock and a feedback clock, wherein the TDC is to generate a digital output code representing a time difference between the reference clock and the feedback clock; a circuitry to apply a digital code to an output of the TDC; and a node to receive the digital output code from the TDC and the digital code from the circuitry, wherein the circuitry is to monitor the digital output code and to control the TDC according to at least the monitored digital output code.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: April 25, 2017
    Assignee: Intel Corporation
    Inventors: Young Min Park, Mark Elzinga
  • Patent number: 9628094
    Abstract: Described is an integrated circuit (IC) with a phase locked loop with capability of fast locking. The IC comprises: a node to provide a reference clock; a digitally controlled oscillator (DCO) to generate an output clock; a divider coupled to the DCO, the divider to divide the output clock and to generate a feedback clock; and control logic operable to reset the DCO and the divider, and operable to release reset in synchronization with the reference clock. An apparatus for zeroing phase error is provided which comprises a first node to provide a reference clock; a second node to provide a feedback clock; a time-to-digital converter, coupled to the first and second nodes, to measure phase error between the reference and feedback clocks; a digital loop filter; and a control unit to adjust the measured phase error, and to provide the adjusted phase error to the digital loop filter.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: April 18, 2017
    Assignee: Intel Corporation
    Inventors: Amr M. Lotfy, Mohamed A. Abdelsalam, Mamdouh O. Abd El-Mejeed, Nasser A. Kurd, Mohamed A. Abdelmoneum, Mark Elzinga, Young Min Park, Jagannadha R. Rapeta, Surya Musunuri
  • Publication number: 20170059762
    Abstract: A backlight unit includes: a light guide member including an light incident surface which receives light, a light emitting surface bent from the light incident surface, and a rear surface bent from the light incident surface and parallel to the light emitting surface; a light source which provides light to the light incident surface; and a refractive index control member disposed on the rear surface and divided into a plurality of areas on a plane parallel to the light emitting surface, where an electric field is generated for each area. Each of the areas is in a first state to have a first refractive index or in a second state to have a second refractive index, which is different from the first state, based on the electric field generated therein.
    Type: Application
    Filed: May 17, 2016
    Publication date: March 2, 2017
    Inventors: Young-min PARK, Eunju NAM, Min-young SONG, Ho-sik SHIN, Hayoung LEE
  • Patent number: 9575361
    Abstract: A reflection sheet and backlight unit including the same are disclosed. In one aspect, the reflection sheet includes a bottom surface, a plurality of side surfaces, each extending from the bottom surface and having an edge opposing the bottom surface, and a first cutting line formed in at least a first one of the side surfaces from a boundary between the first side surface and the bottom surface toward the opposing edge of the first side surface. The reflection sheet also includes a cover surface extending from the opposing edge of the first side surface, wherein the cover surface comprises a protruding surface protruding toward the first cutting line.
    Type: Grant
    Filed: July 22, 2014
    Date of Patent: February 21, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang Wook Choi, Young Min Park, Young Keun Lee, Jae Sang Lee, Sang Ho Hwang
  • Publication number: 20170045661
    Abstract: A display device includes a light guide plate, a light source unit adjacent to a side surface of the light guide plate and including a printed circuit board and a light source which is on the printed circuit board, and a connection member which connects the light guide plate to the light source unit. The light guide plate, the printed circuit board and the connection member together encapsulate the light source. The connection member includes a first inclined surface which contacts an upper surface of the light guide plate. The first inclined surface forms two angles with the upper surface of the light guide plate and an angle closer to the light source unit among the two angles is an acute angle.
    Type: Application
    Filed: April 11, 2016
    Publication date: February 16, 2017
    Inventors: Min-young SONG, Eunju NAM, Young-min PARK
  • Publication number: 20170017124
    Abstract: A photoluminescent display device includes a backlight unit, an optical sheet provided on the backlight unit, and a display panel provided on the optical sheet where the display panel includes a first substrate, a first polarizing plate provided on the first substrate, and a color conversion layer provided on the first polarizing plate and including a photoexcitation member, the optical sheet includes a plurality of first optical parts and a plurality of second optical parts, each of the first optical parts has a first refractive index, and the second optical parts are provided alternately with the first optical parts in a plan view and each of the second optical parts has a second refractive index greater than the first refractive index.
    Type: Application
    Filed: April 7, 2016
    Publication date: January 19, 2017
    Inventors: Donghoon KIM, Youra KIM, Young-min PARK, Junwoo YOU, Seunghwan CHUNG
  • Publication number: 20170017030
    Abstract: A display device includes a display panel which displays an image with light, a light guide plate through which the light is guided and which guides the light to the display panel, and an absorption filter provided in plural. The light guide plate defines a light exit surface thereof through which the light is emitted to the display panel and a rear surface thereof opposite to the light exit surface. The absorption filters are provided on the rear surface of the light guide plate. The absorption filters on the rear surface of the light guide plate each include a first filter layer and a second filter layer. The first filter layer has a first refractive index. The second filter layer is on the first filter layer and has a second refractive index lower than the first refractive index.
    Type: Application
    Filed: March 3, 2016
    Publication date: January 19, 2017
    Inventors: Junwoo YOU, Young-min PARK
  • Publication number: 20160380272
    Abstract: Disclosed are a solid oxide fuel cell, a method of fabricating the same, and a tape casting apparatus for fabricating an anode. The method of fabricating the solid oxide fuel cell includes fabricating an electrolyte film sheet, a functional layer sheet, a support layer sheet, and a catalyst active layer sheet; forming a stack by sequentially stacking the electrolyte film sheet, the functional layer sheet, the support layer sheet, and the catalyst active layer sheet; fabricating an anode including the electrolyte film, the functional layer, the support layer, and the catalyst active layer by sintering the stack; and forming a cathode on the electrolyte film sheet. A catalyst content within the catalyst active layer sheet is gradually changed in a predetermined direction.
    Type: Application
    Filed: September 7, 2016
    Publication date: December 29, 2016
    Applicant: POSCO
    Inventors: Hongyoul Bae, Jung Hoon Song, Jin Soo Ahn, Young Min Park
  • Publication number: 20160363817
    Abstract: A display apparatus includes a display panel displaying an image using a light and a backlight unit generating the light, providing the light to the display panel and including a plurality of light source units generating the light and a plurality of light source substrates arranged in a first direction and disposed on the plurality of light source substrates where the plurality of light source substrates have a zigzag shape, and the plurality of light source units are disposed at predetermined areas of bending portions of the zigzag shape.
    Type: Application
    Filed: May 11, 2016
    Publication date: December 15, 2016
    Inventors: Young-min PARK, Sangwon LEE, Younghye SON, Jiwon LEE
  • Patent number: D771160
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: November 8, 2016
    Assignee: SAMSUNG ELELCTRONICS CO., LTD.
    Inventors: Seo-Jin Park, Young-Min Park, Jong-Hyub Lee
  • Patent number: D775901
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: January 10, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-Hyub Lee, Seo-Jin Park, Young-Min Park, Binna Kim
  • Patent number: D792176
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: July 18, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-Hyub Lee, Seo-Jin Park, Young-Min Park, Binna Kim