Patents by Inventor Kwang Keun Lee

Kwang Keun Lee 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: 8951835
    Abstract: A method of fabricating a package substrate, includes forming a cavity in at least one region of an upper surface of a wafer, the cavity including a chip mounting region, forming a through-hole penetrating through the wafer and a via filling the through-hole, forming a first wiring layer and a second wiring layer spaced apart from the first wiring layer, which are extended into the cavity, and mounting a chip in the cavity to be connected to the first wiring layer and the second wiring layer.
    Type: Grant
    Filed: October 25, 2013
    Date of Patent: February 10, 2015
    Assignees: Samsung Electro-Mechanics Co., Ltd., Sungkyunkwan University Foundation for Corporate Collaboration
    Inventors: Seung Wook Park, Young Do Kweon, Jang Hyun Kim, Tae Seok Park, Su Jeong Suh, Jae Gwon Jang, Nam Jung Kim, Seung Kyu Lim, Kwang Keun Lee
  • Patent number: 8941787
    Abstract: A 3D image display device includes: a backlight unit including a first color light source and a second color light source, which are alternately turned on; a display panel on a front side of the backlight unit and including a pixel, where the pixel includes a first subpixel including a first color filter and a second subpixel including a second color filter; a patterned circular polarizer on a front side of the display panel, extending substantially in a first direction, and including a first circular polarization part and a second circular polarization part having widths substantially the same as widths of the first subpixel and the second subpixel, respectively; and glasses including a left lens and a right lens, where each of the left lens and the right lens includes a plurality of circular polarization patterns and a shutter glass panel which turns on and off each circular polarization pattern.
    Type: Grant
    Filed: May 3, 2013
    Date of Patent: January 27, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang Keun Lee, Mun-Ki Sim, Seon-Tae Yoon, Jae Byung Park, Hae Il Park, Hyun Min Cho
  • Publication number: 20140184668
    Abstract: A display apparatus includes a display panel, a panel driving part and a light-source part. The panel driving part provides the display panel with a first sub-frame data during a first sub-frame of an N-th frame (N is a natural number), provides the display panel with a second sub-frame data during a second sub-frame of the N-th frame and providing the display panel with a third sub-frame data during a third sub-frame of the N-th frame, the first sub-frame data including a plurality of data blocks, the data blocks adjacent to each other having color pixel data different from each other, the second sub-frame data including a plurality of data blocks having a color sequence different from the first sub-frame data, and the third sub-frame data including a plurality of data blocks having the color sequence different from the first and second sub-frame data.
    Type: Application
    Filed: May 14, 2013
    Publication date: July 3, 2014
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun-Deok IM, Kwang-Keun LEE, Jae-Byung PARK, Hyun-Min CHO, Seon-Tae YOON
  • Patent number: 8760605
    Abstract: A display device including: first, second and third substrates, where the second substrate is between the first and third substrates; a light amount controlling layer between the first and second substrates; a color providing layer between the second and third substrates; a light source unit which provides light; and a light guide plate disposed below the first substrate, where the light guide plate guides the light from the light source to the first substrate, where the light amount controlling layer and the color providing layer include pixels corresponding to each other, light from the light guide plate and passed through a pixel of the light amount controlling layer to pass through an adjacent pixel of the color providing layer, and the pixels of the color providing layer include a color conversion region and a transparent region.
    Type: Grant
    Filed: November 14, 2012
    Date of Patent: June 24, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Min Cho, Kwang Keun Lee, Jae Byung Park
  • Publication number: 20140160408
    Abstract: A photoluminescent panel includes a lower substrate, an upper substrate facing the lower substrate, a liquid crystal layer disposed between the lower substrate and the upper substrate, and a color conversion layer disposed on the upper substrate. The color conversion layer includes a light excitation particle which absorbs light having a desired wavelength and emits excited light, and a scattering particle which scatters the excited light.
    Type: Application
    Filed: May 29, 2013
    Publication date: June 12, 2014
    Inventors: Hyun-Min CHO, Dae-Hyun KIM, Jae-Woong KANG, Jae-Byung PARK, Kwang-Keun LEE
  • Publication number: 20140152724
    Abstract: A display apparatus includes a display panel including a first subpixel having a first primary color, a second subpixel having a second primary color; and a transparent subpixel; a panel driver which sets grayscale data of the first subpixel, the second subpixel and the transparent subpixel; a light source part which provides light to the display panel, where the light source comprises a first light source and a second light source having colors different from each other; and a light source driver which turns on the first light source during a first subframe, turns on the second light source during a second subframe, and turns on the first light source during a third subframe, and a first frame comprises the first subframe, the second subframe and the third subframe.
    Type: Application
    Filed: May 7, 2013
    Publication date: June 5, 2014
    Applicant: Samsung Display Co., LTD.
    Inventors: Jae Byung PARK, Seon-Tae YOON, Jae-Woong KANG, Hae-Il PARK, Sung-Tae SHIN, Mun-Ki SIM, Kwang-Keun LEE, Hyun-Min CHO
  • Publication number: 20140146251
    Abstract: A 3D image display device includes: a backlight unit including a first color light source and a second color light source, which are alternately turned on; a display panel on a front side of the backlight unit and including a pixel, where the pixel includes a first subpixel including a first color filter and a second subpixel including a second color filter; a patterned circular polarizer on a front side of the display panel, extending substantially in a first direction, and including a first circular polarization part and a second circular polarization part having widths substantially the same as widths of the first subpixel and the second subpixel, respectively; and glasses including a left lens and a right lens, where each of the left lens and the right lens includes a plurality of circular polarization patterns and a shutter glass panel which turns on and off each circular polarization pattern.
    Type: Application
    Filed: May 3, 2013
    Publication date: May 29, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kwang Keun LEE, Mun-Ki SIM, Seon-Tae YOON, Jae Byung PARK, Hae Il PARK, Hyun Min CHO
  • Publication number: 20140051212
    Abstract: A method of fabricating a package substrate, includes forming a cavity in at least one region of an upper surface of a wafer, the cavity including a chip mounting region, forming a through-hole penetrating through the wafer and a via filling the through-hole, forming a first wiring layer and a second wiring layer spaced apart from the first wiring layer, which are extended into the cavity, and mounting a chip in the cavity to be connected to the first wiring layer and the second wiring layer.
    Type: Application
    Filed: October 25, 2013
    Publication date: February 20, 2014
    Applicants: SUNGKYUNKWAN UNIVERSITY Foundation for Corporate Collaboration, SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seung Wook Park, Young Do Kweon, Jang Hyun Kim, Tae Seok Park, Su Jeong Suh, Jae Gwon Jang, Nam Jung Kim, Seung Kyu Lim, Kwang Keun Lee
  • Publication number: 20140043566
    Abstract: A liquid crystal display according to an exemplary embodiment of the present invention includes a first substrate. A color conversion layer is disposed on the first substrate. A second substrate and a third substrate are disposed on the color conversion layer and face each other. A light amount controlling layer is disposed between the second substrate and the third substrate. A backlight unit is disposed under the first substrate.
    Type: Application
    Filed: March 14, 2013
    Publication date: February 13, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: KWANG KEUN LEE, HYUN MIN CHO, JAEWOONG KANG, JAE BYUNG PARK, HAE IL PARK
  • Publication number: 20140009723
    Abstract: A display device including: first, second and third substrates, where the second substrate is between the first and third substrates; a light amount controlling layer between the first and second substrates; a color providing layer between the second and third substrates; a light source unit which provides light; and a light guide plate disposed below the first substrate, where the light guide plate guides the light from the light source to the first substrate, where the light amount controlling layer and the color providing layer include pixels corresponding to each other, light from the light guide plate and passed through a pixel of the light amount controlling layer to pass through an adjacent pixel of the color providing layer, and the pixels of the color providing layer include a color conversion region and a transparent region.
    Type: Application
    Filed: November 14, 2012
    Publication date: January 9, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Min CHO, Kwang Keun LEE, Jae Byung PARK
  • Publication number: 20110248408
    Abstract: There are provided a package substrate and a method fabricating thereof. The package substrate includes: a wafer having a cavity formed in an upper surface thereof, the cavity including a chip mounting region; a first wiring layer and a second wiring layer formed to be spaced apart from the first wiring layer, which are formed to be extended in the cavity; a chip positioned in the chip mounting region to be connected to the first wiring layer and the second wiring layer; a through-hole penetrating through the wafer and a via filled in the through-hole; and at least one electronic device connected to the via. Accordingly, a package substrate capable of having a passive device having a predetermined capacity embedded therein, while reducing a pattern size and increasing a component mounting density, and a method fabricating thereof may be provided.
    Type: Application
    Filed: March 24, 2011
    Publication date: October 13, 2011
    Applicants: SUNGKYUNKWAN UNIVERSITY Foundation for Corporate Collaboration, SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seung Wook Park, Young Do Kweon, Jang Hyun Kim, Tae Seok Park, Su Jeong Suh, Jae Gwon Jang, Nam Jung Kim, Seung Kyu Lim, Kwang Keun Lee