Patents by Inventor Seong-Eun Chung

Seong-Eun 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: 9423643
    Abstract: A liquid crystal display (LCD) panel is provided, including a lower substrate; an upper substrate disposed to face the lower substrate; a liquid crystal layer disposed between the upper substrate and the lower substrate; a lower polarizing layer with a structure of wire grid formed on one surface of the lower substrate and configured to provide polarizing-filtering of light radiated from a backlight; and an upper polarizing layer with a structure of wire grid formed on one surface of the upper substrate and configured to provide polarizing-filtering of the radiated light passing through the lower polarizing layer and the liquid crystal layer, at least one of the wire grid of the lower polarizing layer and the wire grid of the upper polarizing layer including a reflection layer configured to reflect the radiated light and an absorbing layer configured to absorb external light incident from the outside through the upper substrate.
    Type: Grant
    Filed: July 25, 2014
    Date of Patent: August 23, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seong-eun Chung, Il-yong Jung
  • Patent number: 9411191
    Abstract: A method of manufacturing a linear grid for a display panel, the method including: applying a material layer for the linear grid to a substrate; laminating a negative photoresist layer having a pattern of the linear grid to a target area within an entire area of the material layer; laminating a positive photoresist layer to the entire area of the material layer; covering, with a mask for blocking ultraviolet light, areas within the entire area not including the target area, and emitting the ultraviolet light; etching the material layer according to the negative photoresist layer exposed by the ultraviolet light; and forming the pattern of the linear grid on the material layer by removing the negative photoresist layer and the positive photoresist layer from the entire area.
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: August 9, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seong-eun Chung, Tae-bae Kim, Il-yong Jung
  • Patent number: 9401464
    Abstract: A display apparatus having a self-luminous display panel is provided. The self-luminous display panel including: a first electrode layer; a second electrode layer; a substrate which is disposed on a light-emitting surface of the second electrode layer; a light emitting layer which is interposed between the first electrode layer and the second electrode layer, and generates light based on holes and electrons transmitted by voltages applied to the first electrode layer and the second electrode layer; and a linear grid layer which is interposed between the substrate and the second electrode layer, and including linear grids arranged at a predetermined pitch in order to polarize and filter light generated by the light emitting layer and emitted through the substrate.
    Type: Grant
    Filed: August 15, 2013
    Date of Patent: July 26, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seong-eun Chung, Dong-Jun Lee, Dong-hwan Kim
  • Patent number: 9335463
    Abstract: A display apparatus includes a display part operable to display an image; and a bezel part disposed at an edge of the display part, wherein at least a portion of a front surface of the display part and a front surface of the bezel part are coplanar.
    Type: Grant
    Filed: March 24, 2014
    Date of Patent: May 10, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seong Eun Chung, Il Yong Jung
  • Publication number: 20160062183
    Abstract: A display apparatus is provided. The display apparatus includes: a light source; and a display panel including: an upper substrate and a lower substrate; a liquid crystal layer interposed in between the upper substrate and the lower substrate; a lower polarization layer interposed in between the lower substrate and the liquid crystal layer; a upper polarization layer interposed in between the liquid crystal layer and the upper substrate; and a color conversion layer arranged in either a first position between the upper substrate and the upper polarization layer or a second position between the lower substrate and the lower polarization layer, and configured to receive light from the light source and emit light corresponding to a plurality of colors by converting a part of the light corresponding to a first color into light corresponding to respective colors other than the first color among the plurality of colors.
    Type: Application
    Filed: August 17, 2015
    Publication date: March 3, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun-ho SUNG, Il-yong JUNG, Seong-eun CHUNG
  • Publication number: 20150378210
    Abstract: A method of manufacturing a linear grid for a display panel, the method including: applying a material layer for the linear grid to a substrate; laminating a negative photoresist layer having a pattern of the linear grid to a target area within an entire area of the material layer; laminating a positive photoresist layer to the entire area of the material layer; covering, with a mask for blocking ultraviolet light, areas within the entire area not including the target area, and emitting the ultraviolet light; etching the material layer according to the negative photoresist layer exposed by the ultraviolet light; and forming the pattern of the linear grid on the material layer by removing the negative photoresist layer and the positive photoresist layer from the entire area.
    Type: Application
    Filed: June 12, 2015
    Publication date: December 31, 2015
    Inventors: Seong-eun CHUNG, Tae-bae KIM, Il-yong JUNG
  • Patent number: 8964012
    Abstract: A display panel and a display apparatus are provided. The display panel includes first and second substrates which are disposed opposite to each other and a liquid crystal layer formed in between; a color filter polarizing layer which is formed on one surface between the first and second substrates; and a polarizing layer. The color filter polarizing layer comprises a first metal linear grid arranged at different pitches to emit a first polarized component of incident light with different colors, and a second metal linear grid formed on an opposite surface of the one surface between the first and second substrates. The provided display panel and display apparatus, have reduced manufacturing costs and a simplified manufacturing process.
    Type: Grant
    Filed: August 12, 2011
    Date of Patent: February 24, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seong-eun Chung, Dong-hwan Kim, Il-yong Jung
  • Publication number: 20150049284
    Abstract: A liquid crystal display (LCD) panel is provided. The LCD panel includes: a liquid crystal layer configured to operate in a first preset phase retardation mode based on an operating mode of liquid crystals; a pre-tilt layer configured to guide a rotation direction of the liquid crystals; a polarizing layer formed on a surface of the upper substrate and having a wire grid structure to polarize and filter radiated light passing through the liquid crystal layer; and a retardation compensation film disposed between the polarizing layer and the upper substrate and configured to compensate phase retardation of the radiated light, wherein the retardation compensation film includes: a first compensation layer configured to retard the radiated light in a second phase retardation mode having a negative phase retardation; and a second compensation layer configured to retard the radiated light in a third phase retardation mode.
    Type: Application
    Filed: April 4, 2014
    Publication date: February 19, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Il-yong JUNG, Tsukasa YAMADA, Seong-eun CHUNG, Seung-myen LEE
  • Patent number: 8945406
    Abstract: A method for manufacturing a symbol on an exterior of an electronic device is provided. The method includes preparing a support layer, preparing a nanograting layer on the support layer, the nanograting layer including a first nanograting area corresponding to a preset symbol and a second nanograting area corresponding to an area other than the preset symbol, wherein each of the first nanograting area and the second nanograting area includes three-dimensional (3D) nanostructures and a pitch between the 3D nanostructures arranged in the first nanograting area is different from a pitch between the 3D nanostructures arranged in the second nanograting area.
    Type: Grant
    Filed: September 6, 2012
    Date of Patent: February 3, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seong-eun Chung, Il-yong Jung
  • Publication number: 20150029438
    Abstract: A liquid crystal display (LCD) panel is provided, including a lower substrate; an upper substrate disposed to face the lower substrate; a liquid crystal layer disposed between the upper substrate and the lower substrate; a lower polarizing layer with a structure of wire grid formed on one surface of the lower substrate and configured to provide polarizing-filtering of light radiated from a backlight; and an upper polarizing layer with a structure of wire grid formed on one surface of the upper substrate and configured to provide polarizing-filtering of the radiated light passing through the lower polarizing layer and the liquid crystal layer, at least one of the wire grid of the lower polarizing layer and the wire grid of the upper polarizing layer including a reflection layer configured to reflect the radiated light and an absorbing layer configured to absorb external light incident from the outside through the upper substrate.
    Type: Application
    Filed: July 25, 2014
    Publication date: January 29, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seong-eun CHUNG, Il-yong JUNG
  • Patent number: 8848141
    Abstract: A display panel and a display apparatus having the same are provided. The display panel includes a liquid crystal layer and comprises first and second substrates which are disposed opposite to each other; a color filter polarizing layer which formed on one surface between the first and second substrates, and which includes a first metal linear grid arranged at different pitches to emit a first polarized component of incident light with different colors; and a polarizing layer which includes a second metal linear grid formed on an opposite surface to the surface between the first and second substrates, wherein a metal material contained in the first metal linear grid is different from a metal material contained in the second metal linear grid. The provided display panel and display apparatus including the same, have decreased manufacturing costs and a simplified manufacturing process.
    Type: Grant
    Filed: August 12, 2011
    Date of Patent: September 30, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seong-eun Chung, Dong-hwan Kim, Il-yong Jung, Tae-bae Kim
  • Publication number: 20140218626
    Abstract: A display apparatus includes: a signal receiver configured to receive an image signal; a signal processor configured to process the image signal received by the signal receiver; and a display panel configured to display the image signal processed by the signal processor as a processed image, wherein the display panel includes: a glass substrate; a first electrode layer; a second electrode layer disposed between the first electrode layer and the glass substrate; a light emitting layer disposed between the first electrode layer and the second electrode layer, configured to generate a plurality of colors of light, and configured to emit the light to the glass substrate; a linear pattern layer formed on a surface of the glass substrate and including linear bars extending in one direction to transmit a preset polarizing direction of light; and a phase retardation layer disposed between the second electrode layer and the linear pattern layer.
    Type: Application
    Filed: January 24, 2014
    Publication date: August 7, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Il-yong JUNG, Seong-eun CHUNG
  • Publication number: 20140218322
    Abstract: A display apparatus includes: a display panel including a substrate, a black matrix formed on the substrate and dividing at least one of a plurality of pixels and a plurality of sub-pixels from others, and a mesh layer including a plurality of first conductive wires extended in a first direction on the substrate and a plurality of second conductive wires extended in a second direction different from the first direction on the substrate; and a controller configured to determine a location of a touch based on a change in electric current of at least one from among the plurality of first conductive wires and at least one from among the plurality of second conductive wires by the touch occurring on the display panel, wherein the plurality of first conductive wires and the plurality of second conductive wires are disposed on the substrate according to an arranged location of the matrix.
    Type: Application
    Filed: February 4, 2014
    Publication date: August 7, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Seong-eun CHUNG, Il-Yong JUNG
  • Publication number: 20140204308
    Abstract: A display apparatus includes a display part operable to display an image; and a bezel part disposed at an edge of the display part, wherein at least a portion of a front surface of the display part and a front surface of the bezel part are coplanar.
    Type: Application
    Filed: March 24, 2014
    Publication date: July 24, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seong Eun CHUNG, Il Yong JUNG
  • Publication number: 20140176413
    Abstract: A display panel provided with light from a backlight unit, the display panel including: an upper substrate; a lower substrate disposed to face the upper substrate; a liquid crystal layer disposed between the upper substrate and the lower substrate; a lower polarizing layer formed on one surface of the lower substrate and polarizing-filtering the light from the backlight unit; an upper polarizing layer formed on one surface of the upper substrate and polarizing-filtering the light passing through the liquid crystal layer; and a color filter layer formed on one surface of the lower substrate and the upper substrate and filtering light so that lights of a plurality of preset colors are emitted, wherein each of the lower polarizing layer, the upper polarizing layer, and the color filter layer comprises a linear pattern.
    Type: Application
    Filed: October 16, 2013
    Publication date: June 26, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Il-yong JUNG, Dong-hwan KIM, Seong-eun CHUNG, Tae-bae KIM, Dong-Jun LEE
  • Publication number: 20140160396
    Abstract: A display panel of a display apparatus including the display panel and a backlight unit configured to provide light to the display panel, the display panel including: an upper substrate; a lower substrate; a liquid crystal layer between the upper substrate and the lower substrate; a wire grid polarizer (WGP) provided on at least one from among the lower substrate and the upper substrate and configured to filter light radiated from the backlight unit; and an antireflection layer provided on the upper substrate and configured to substantially prevent reflection of external light from an external source on a surface of the upper substrate. The WGP may include a light absorption layer configured to absorb the external light which passes through the antireflection layer.
    Type: Application
    Filed: December 11, 2013
    Publication date: June 12, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Seong-eun CHUNG, Dong-hwan KIM, Il-yong JUNG, Tae-bae KIM, Dong-Jun LEE
  • Publication number: 20140132489
    Abstract: A display apparatus having a self-luminous display panel is provided. The self-luminous display panel including: a first electrode layer; a second electrode layer; a substrate which is disposed on a light-emitting surface of the second electrode layer; a light emitting layer which is interposed between the first electrode layer and the second electrode layer, and generates light based on holes and electrons transmitted by voltages applied to the first electrode layer and the second electrode layer; and a linear grid layer which is interposed between the substrate and the second electrode layer, and including linear grids arranged at a predetermined pitch in order to polarize and filter light generated by the light emitting layer and emitted through the substrate.
    Type: Application
    Filed: August 15, 2013
    Publication date: May 15, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seong-eun CHUNG, Dong-Jun LEE, Dong-hwan KIM
  • Patent number: 8717512
    Abstract: Disclosed herein is a display apparatus including a display part operable to display an image; and a bezel part disposed at an edge of the display part, wherein at least a portion of a front surface of the display part and a front surface of the bezel part are coplanar.
    Type: Grant
    Filed: April 20, 2011
    Date of Patent: May 6, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seong Eun Chung, II Yong Jung
  • Publication number: 20140055724
    Abstract: Disclosed is a display panel of a display apparatus including the display panel and a backlight unit disposed under the display panel, the display panel including: an upper substrate; a lower substrate disposed to face the upper substrate in a traveling direction of light radiated from the backlight unit; a liquid crystal layer disposed between the upper substrate and the lower substrate; a polarizing layer disposed at least below the upper substrate and configured to transmit light polarized in a preset direction of the radiated light to the upper substrate; and an antireflection layer formed on a light exiting surface of the upper substrate through which the radiated light exits and configured to substantially prevent reflection of external light from an external environment thereon.
    Type: Application
    Filed: August 23, 2013
    Publication date: February 27, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Seong-eun CHUNG, IL-YONG JUNG, Dong-hwan KIM, Tae-bae KIM, Dong-jun LEE
  • Patent number: 8643806
    Abstract: A liquid crystal display device is provided. The liquid crystal display device includes a light-shielding member to prevent light irradiated upward from a light-emitting surface of a plurality of light-emitting diodes from being incident on a lower edge of an incident surface of a light-guide portion. As a result, a bezel surrounding a liquid crystal display panel may be made thinner, and a bright line defect, hot spot, may be prevented.
    Type: Grant
    Filed: May 31, 2011
    Date of Patent: February 4, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jun Mo Yoo, Seong Eun Chung, Il Yong Jung, Tae Bae Kim