Patents by Inventor Il-yong Jung

Il-yong Jung 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: 11237427
    Abstract: The disclosed embodiments relate to an ink composition for reflective sheet capable of preventing a luminance difference occurring at an upper or lower end of a display panel and display apparatus including the same and method of manufacturing the display apparatus. The display apparatus of the disclosed embodiment comprises a display panel to display an image, a light source configured to supply light to the display panel, a light guide plate configured to guide light emitted from the light source, a reflective sheet movable between a first state close to the lower surface of the light guide plate and a second state farther away from the lower surface of the light guide plate than the first state, and a reflective pattern provided on the reflective sheet and configured to be disposed in contact with the light guide plate in the first state, wherein the reflective pattern on the reflective sheet is formed of an acrylate resin including a multi-functional acrylate monomer.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: February 1, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Il Yong Jung, Young Chul Lee, Jong Bin Kim, Jong Pil Jeon, Byoung-Jin Cho, Jean Hur
  • Publication number: 20210200029
    Abstract: The disclosed embodiments relate to an ink composition for reflective sheet capable of preventing a luminance difference occurring at an upper or lower end of a display panel and display apparatus including the same and method of manufacturing the display apparatus. The display apparatus of the disclosed embodiment comprises a display panel to display an image, a light source configured to supply light to the display panel, a light guide plate configured to guide light emitted from the light source, a reflective sheet movable between a first state close to the lower surface of the light guide plate and a second state farther away from the lower surface of the light guide plate than the first state, and a reflective pattern provided on the reflective sheet and configured to be disposed in contact with the light guide plate in the first state, wherein the reflective pattern on the reflective sheet is formed of an acrylate resin including a multi-functional acrylate monomer.
    Type: Application
    Filed: October 5, 2018
    Publication date: July 1, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Il Yong JUNG, Young Chul LEE, Jong Bin KIM, Jong Pil JEON, Byoung-Jin CHO, Jean HUR
  • Patent number: 10928666
    Abstract: Provided is a display device with enhanced uniformity of brightness. The display device includes a display panel, and a backlight unit configured to supply light to the display panel, wherein the display panel includes a liquid crystal panel with first and second surfaces opposite to each other, a first polarizing plate arranged on the first surface of the liquid crystal panel, a second polarizing plate arranged on the second surface of the liquid crystal panel, a light absorbing layer arranged on the second polarizing plate to absorb a portion of the light supplied from the backlight unit, and a light absorbing material included in the light absorbing layer to absorb light of particular wavelengths.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: February 23, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young Chol Lee, Wook-Jae Jeon, Il Yong Jung
  • Patent number: 10818209
    Abstract: A display apparatus includes a display panel receiving light from a light source. The display panel includes a liquid crystal panel, first and second polarizers respectively disposed on front and rear sides of the liquid crystal panel, and an optical layer disposed on a front surface of the second polarizer. The optical layer includes a first resin layer having light absorption portions for absorbing a portion of incident light, a second resin layer disposed on a front surface of the first resin layer, the second resin layer having a higher refractive index than the first resin layer, the second resin layer having light diffusion portions for diffusing light not absorbed by the light absorption portions.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: October 27, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young Chol Lee, Wook-Jae Jeon, Tae Ik Kim, Il Yong Jung, Byoung-Jin Cho, Jun Sung Choi
  • Publication number: 20190121174
    Abstract: Provided is a display device with enhanced uniformity of brightness. The display device includes a display panel, and a backlight unit configured to supply light to the display panel, wherein the display panel includes a liquid crystal panel with first and second surfaces opposite to each other, a first polarizing plate arranged on the first surface of the liquid crystal panel, a second polarizing plate arranged on the second surface of the liquid crystal panel, a light absorbing layer arranged on the second polarizing plate to absorb a portion of the light supplied from the backlight unit, and a light absorbing material included in the light absorbing layer to absorb light of particular wavelengths.
    Type: Application
    Filed: October 19, 2018
    Publication date: April 25, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young Chol LEE, Wook-Jae JEON, Il Yong JUNG
  • Publication number: 20190122597
    Abstract: A display apparatus includes a display panel receiving light from a light source. The display panel includes a liquid crystal panel, first and second polarizers respectively disposed on front and rear sides of the liquid crystal panel, and an optical layer disposed on a front surface of the second polarizer. The optical layer includes a first resin layer having light absorption portions for absorbing a portion of incident light, a second resin layer disposed on a front surface of the first resin layer, the second resin layer having a higher refractive index than the first resin layer, the second resin layer having light diffusion portions for diffusing light not absorbed by the light absorption portions.
    Type: Application
    Filed: October 9, 2018
    Publication date: April 25, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young Chol LEE, Wook-Jae JEON, Tae Ik KIM, Il Yong JUNG, Byoung-Jin CHO, Jun Sung CHOI
  • Patent number: 9739920
    Abstract: Disclosed is a display panel including: a liquid crystal layer; and a polarization-touch sensing layer stacked on one side of the liquid crystal layer, the polarization-touch sensing layer comprising: a plurality of wire grid areas configured to polarize incident light from a light source the wire grid areas including grid patterns configured to transmit a plurality of touch sensing signals; and a plurality of seam areas arranged in between the plurality of wire grid areas and including a conductive area configured to transmit the touch sensing signal between a pair of adjacent grid patterns, and a nonconductive area configured to block the plurality of touch sensing signals from being transmitted between the pair of grid patterns.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: August 22, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joo Won Lee, Young Mo Kang, Jun Ho Sung, Dong Jun Lee, Il Yong Jung
  • 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
  • Publication number: 20160231844
    Abstract: Disclosed is a display panel including: a liquid crystal layer; and a polarization-touch sensing layer stacked on one side of the liquid crystal layer, the polarization-touch sensing layer comprising: a plurality of wire grid areas configured to polarize incident light from a light source the wire grid areas including grid patterns configured to transmit a plurality of touch sensing signals; and a plurality of seam areas arranged in between the plurality of wire grid areas and including a conductive area configured to transmit the touch sensing signal between a pair of adjacent grid patterns, and a nonconductive area configured to block the plurality of touch sensing signals from being transmitted between the pair of grid patterns. Thus, the large-sized wire grid polarizer formed by the plurality of wire grid polarizer may be used to achieve the touch-screen panel, thereby reducing costs and simplifying the structure while manufacturing a large-sized display apparatus with a touch screen function.
    Type: Application
    Filed: January 14, 2016
    Publication date: August 11, 2016
    Inventors: Joo Won LEE, Young Mo KANG, Jun Ho SUNG, Dong Jun LEE, 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: 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
  • Publication number: 20150242014
    Abstract: A touch panel and a method of manufacturing the touch panel are provided. The touch panel includes: a first conductive substrate configured to form a plurality of first electrode lines on the first conductive substrate; and a second conductive substrate configured to form a plurality of second electrode lines in a direction crossing the plurality of first electrode lines on the second conductive substrate. The plurality of first electrode lines are respectively formed in a first area that is set to keep intervals between the plurality of first electrode lines irregular, and the plurality of second electrode lines are respectively formed in a second area that is set to keep intervals between the plurality of second electrode lines irregular.
    Type: Application
    Filed: September 3, 2014
    Publication date: August 27, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young Mo KANG, Joo-won LEE, 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
  • Patent number: 8807776
    Abstract: A backlight unit for a dynamic image and a display employing the same are provided. The backlight unit is used for a light source of a display and includes light-emitting devices located separately on a substrate, an image analyzer which analyzes an image signal and extracts position information on a region requiring the relative increase or decrease of brightness, and a control unit which independently drives and controls the light-emitting devices located in a region corresponding to the position information inputted from the image board. Accordingly, the display employing the backlight unit can provide a more dynamic and realistic image.
    Type: Grant
    Filed: April 27, 2009
    Date of Patent: August 19, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Il-yong Jung, Tae-hee Cho