Patents by Inventor Chang-Soon Jang

Chang-Soon Jang 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).

  • Publication number: 20200258944
    Abstract: A display device is provided. A display device includes a plurality of pixels arranged in a row axis and in a column axis that intersects the row axis, a first substrate on which a light-emitting element disposed in each of the pixels is disposed, a second substrate which faces the first substrate, and a first wavelength conversion pattern disposed on the second substrate in a first pixel column and which converts wavelength of light emitted from the light-emitting element. The first wavelength conversion pattern includes a first main pattern part arranged in a stripe fashion along the column axis and a protruding pattern part projected from the first main pattern part toward at least one of first and second directions of the row axis.
    Type: Application
    Filed: July 11, 2019
    Publication date: August 13, 2020
    Inventors: Sun Kyu JOO, Keun Chan OH, Byung Chul KIM, In Ok KIM, In Seok SONG, Gak Seok LEE, Chang Soon JANG
  • Publication number: 20200258945
    Abstract: A color conversion substrate includes a base on which first to third light outputting regions and a light shielding region surrounding the first to third light outputting regions are defined; first to third color filters on the base in the first to third light outputting regions, respectively; a first light shielding member on the first color filter in the light shielding region; a light transmission pattern on the first color filter; a first wavelength conversion pattern on the second color filter and which converts light of a first color into light of a second color; and a second wavelength conversion pattern on the third color filter and which converts the light of the first color into light of a third color. A first opening located in the light shielding region is defined in at least one of the light transmission pattern and the first and second wavelength conversion patterns.
    Type: Application
    Filed: October 3, 2019
    Publication date: August 13, 2020
    Inventors: Sun Kyu JOO, Byung Chul KIM, In Ok KIM, Jae Min SEONG, In Seok SONG, Keun Chan OH, Gak Seok LEE, Ji Eun JANG, Chang Soon JANG
  • Publication number: 20200212109
    Abstract: Provided is a display apparatus including a display module having a folding region and a plurality of non-folding regions adjacent to the folding region and including a display surface configured to display an image, and a support member below the display module and supporting the display module, wherein the display module is operated in a plurality of modes, and the plurality of modes includes a first mode in which the folding region has a first curvature radius and is folded in a first bending direction which surrounds a virtual first bending axis defined below the display module and a second mode in which the folding region has a second curvature radius and is folded in a second bending direction which surrounds a virtual second bending axis defined above the display module, wherein the first curvature radius is greater than the second curvature radius.
    Type: Application
    Filed: November 18, 2019
    Publication date: July 2, 2020
    Inventors: Gak Seok LEE, Byung-Chul KIM, Chang-Soon JANG, In Ok KIM, Inseok SONG, Keunchan OH, Jieun JANG
  • Publication number: 20200152704
    Abstract: A display device including a base layer including a thin film transistor, a pixel definition layer including an opening, first to third organic light emitting elements each including a first electrode, a second electrode, and a light emitting layer therebetween, an encapsulation member including a first inorganic layer covering the organic light emitting elements, a second inorganic layer disposed thereon, a first color conversion pattern disposed between the inorganic layers and overlapping the first organic light emitting element, and a second color conversion pattern disposed between the inorganic layers and overlapping the second organic light emitting element, and first and second color filter patterns having different colors from each other and overlapping the first and second color conversion patterns, respectively, in which colors of light emitted from the first and second color conversion patterns are substantially the same as colors of the first and second color filter patterns, respectively.
    Type: Application
    Filed: July 25, 2019
    Publication date: May 14, 2020
    Inventors: Chang-Soon Jang, Keunchan Oh, Sun-kyu Joo, Byungchul Kim, Inok Kim, lnseok Song, Gakseok Lee
  • Publication number: 20200111848
    Abstract: A display device includes: a first base layer; a circuit element layer on the first base layer; a pixel definition layer on the circuit element layer and comprising a plurality of light-emitting openings which are spaced apart from each other and define a plurality of light-emitting regions; a second base layer spaced apart from and facing the first base layer; a light-shielding layer on the second base layer and comprising a plurality of openings respectively overlapping the light-emitting regions, wherein on a plane of the first base layer, shapes of first to third openings along one direction among the openings are different from each other.
    Type: Application
    Filed: August 5, 2019
    Publication date: April 9, 2020
    Inventors: Sun-Kyu JOO, Keunchan Oh, Byung-Chul Kim, Inok Kim, Gak Seok Lee, Jieun Jang, Inseok Song, Chang-Soon Jang
  • Publication number: 20190348470
    Abstract: An organic light emitting diode display includes: a display panel; and a color conversion panel positioned on the display panel. The color conversion panel includes: a substrate; a color filter layer disposed under the substrate; a first light blocking layer disposed under the color filter layer; and a first color conversion layer, a second color conversion layer, and a third color conversion layer positioned under the first light blocking layer. The color filter layer includes a first color filter, a second color filter, and a third color filter, the first light blocking layer includes a first portion that overlaps the first color filter, a second portion that overlaps the second color filter, and a third portion that overlaps the third color filter, and the first portion, the second portion, and the third portion are connected.
    Type: Application
    Filed: January 4, 2019
    Publication date: November 14, 2019
    Inventors: IN SEOK SONG, Sun-Kyu Joo, Byung-Chul Kim, In Ok Kim, Gak Seok Lee, Chang-Soon Jang
  • Patent number: 10459277
    Abstract: A display device includes a base portion including a pixel area including a light-transmitting area and a light-blocking area; a projection portion disposed on the light-blocking area of the base portion and including a first sub-color filter and a second sub-color filter overlapping over an overlap area; a light-blocking member disposed on the projection portion and overlapping the base portion; and a spacing member disposed on the light-blocking member, made of the same material as the light-blocking member and overlapping the projection portion.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: October 29, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun Kyu Joo, Su Jeong Kim, Jang Wi Ryu, Yi Seop Shim, Keun Chan Oh, Jae Jin Lyu, Jun Woo Lee, Chang Soon Jang, Young Bong Cho, Chul Huh
  • Publication number: 20190326545
    Abstract: An organic light emitting display device includes: a first substrate; a plurality of pixels on the first substrate, each of the pixels including a corresponding portion of an organic light emitting layer on the first substrate; an encapsulation film on the organic light emitting layer; a protruding pattern layer on the encapsulation film and comprising a plurality of spacers at a boundary between adjacent ones of the pixels; an adhesive layer on the protruding pattern layer; and a second substrate on the adhesive layer.
    Type: Application
    Filed: February 14, 2019
    Publication date: October 24, 2019
    Inventors: Sun Kyu JOO, Byung Chul KIM, In Ok KIM, Keun Chan OH, Chang Soon JANG, In Seok SONG, Gak Seok LEE
  • Publication number: 20190280061
    Abstract: A display device includes a substrate, a thin film transistor on the substrate, an interlayer insulating layer on the thin film transistor, an electrode on the interlayer insulating layer, the electrode including an emission region, a contact region overlapping the thin film transistor, and a dummy region protruding from the emission region in a direction different from the contact region, and an emission layer on the electrode, the emission region of the electrode overlapping the emission layer.
    Type: Application
    Filed: December 11, 2018
    Publication date: September 12, 2019
    Inventors: Sun-Kyu JOO, In Seok SONG, Keun Chan OH, Byung-Chul KIM, In Ok KIM, Gak Seok LEE, Chang-Soon JANG
  • Publication number: 20180088403
    Abstract: A display device includes a base portion including a pixel area including a light-transmitting area and a light-blocking area; a projection portion disposed on the light-blocking area of the base portion and including a first sub-color filter and a second sub-color filter overlapping over an overlap area; a light-blocking member disposed on the projection portion and overlapping the base portion; and a spacing member disposed on the light-blocking member, made of the same material as the light-blocking member and overlapping the projection portion.
    Type: Application
    Filed: June 30, 2017
    Publication date: March 29, 2018
    Inventors: Sun Kyu JOO, Su Jeong KIM, Jang Wi RYU, Yi Seop SHIM, Keun Chan OH, Jae Jin LYU, Jun Woo LEE, Chang Soon JANG, Young Bong CHO, Chul HUH
  • Patent number: 9904119
    Abstract: A display device includes: a first substrate; a second substrate disposed opposite to the first substrate; a light blocking pattern disposed on the first substrate; and a column spacer which is disposed on the first substrate and maintains a distance between the first substrate and the second substrate, where the light blocking pattern and the column spacer are spaced apart from each other, and the column spacer has an island shape surrounded by the light blocking pattern.
    Type: Grant
    Filed: January 6, 2016
    Date of Patent: February 27, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yi Seop Shim, E Su Kim, Hee Ra Kim, Jun Woo Lee, Chang Soon Jang, Chul Huh
  • Patent number: 9835906
    Abstract: A liquid crystal display according to an exemplary embodiment of the present inventive concept includes: a first insulating substrate; a thin film transistor disposed on the first insulating substrate; a light blocking member disposed on the thin film transistor; and a spacer disposed on the light blocking member, wherein the spacer includes a main column spacer and a sub column spacer, and the sub column spacer is disposed between the main column spacer and has a stripe shape which extends in parallel to a gate line of the thin film transistor.
    Type: Grant
    Filed: May 13, 2015
    Date of Patent: December 5, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yi Seop Shim, Hee Ra Kim, Chang Soon Jang, Chul Huh
  • Patent number: 9658498
    Abstract: A liquid crystal display is provided. The liquid crystal display includes a first substrate, and a first electrode and a second electrode formed overlapping with each other on the first substrate, wherein a first insulating layer is disposed between the first electrode and the second electrode. The liquid crystal display further includes a light blocking member formed on the second electrode, a first spacer and a second spacer formed on the light blocking member, and a second substrate facing the first substrate.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: May 23, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yi Seop Shim, Chang Hun Kwak, Hee Ra Kim, Chang-Soon Jang, Chul Huh
  • Patent number: 9618801
    Abstract: Exemplary embodiments relate to a display device, an optical mask, and a method for manufacturing a display device using the same. The display device including: a first substrate and a second substrate facing the first substrate; a thin film transistor disposed on the first substrate; a first insulating layer disposed on the thin film transistor; and a light blocking member disposed on the first insulating layer. The light blocking member includes a spacer for maintaining a cell gap between the first substrate and the second substrate and a main light blocking portion having an upper surface that is lower than an upper surface of the spacer, and the light blocking member further includes a furrow at a border between the spacer and the main light blocking portion, the furrow having a surface lower than the upper surface of the main light blocking portion.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: April 11, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang-Soon Jang, Hee Ra Kim, Yi Seop Shim, Chul Huh
  • Publication number: 20170010496
    Abstract: A display device includes: a first substrate; a second substrate disposed opposite to the first substrate; a light blocking pattern disposed on the first substrate; and a column spacer which is disposed on the first substrate and maintains a distance between the first substrate and the second substrate, where the light blocking pattern and the column spacer are spaced apart from each other, and the column spacer has an island shape surrounded by the light blocking pattern.
    Type: Application
    Filed: January 6, 2016
    Publication date: January 12, 2017
    Inventors: Yi Seop SHIM, E Su KIM, Hee Ra KIM, Jun Woo LEE, Chang Soon JANG, Chul HUH
  • Patent number: 9465259
    Abstract: Provided is an LCD device including a first substrate, a second substrate, a liquid crystal layer, a main spacer, and a supplementary spacer. The liquid crystal layer is interposed between the first and second substrates. The main spacer makes contact with the first and second substrates. The supplementary spacer makes contact with one of the first and second substrates and is spaced apart from the other. A first area ratio defined by dividing the area of a first top surface by that of a first bottom surface of the main spacer may be smaller than a second area ratio defined by dividing the area of a second top surface by that of a second bottom surface of the supplementary spacer.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: October 11, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang-Soon Jang, Heera Kim, YiSeop Shim, Chul Huh
  • Publication number: 20160274402
    Abstract: Exemplary embodiments relate to a display device, an optical mask, and a method for manufacturing a display device using the same. The display device including: a first substrate and a second substrate facing the first substrate; a thin film transistor disposed on the first substrate; a first insulating layer disposed on the thin film transistor; and a light blocking member disposed on the first insulating layer. The light blocking member includes a spacer for maintaining a cell gap between the first substrate and the second substrate and a main light blocking portion having an upper surface that is lower than an upper surface of the spacer, and the light blocking member further includes a furrow at a border between the spacer and the main light blocking portion, the furrow having a surface lower than the upper surface of the main light blocking portion.
    Type: Application
    Filed: September 17, 2015
    Publication date: September 22, 2016
    Inventors: Chang-Soon JANG, Hee Ra Kim, Yi Seop SHIM, Chul HUH
  • Patent number: 9448344
    Abstract: A color filter substrate includes a plurality of color filters and a first dummy pattern. The color filters are formed in a display area. The color filters include a plurality of colors. The first dummy pattern is formed in a peripheral area surrounding the display area. The first dummy pattern has a color identical to one of the colors. An edge portion of the first dummy pattern corresponding to an apex of the display area is rounded. Therefore, the reliability of a color filter manufacturing process may be improved, the reliability of the color filter may be improved, and the generation of stain defects having a radial shape may be prevented, so that display quality may be improved.
    Type: Grant
    Filed: May 20, 2014
    Date of Patent: September 20, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang-Soon Jang, Jin-Seuk Kim
  • Publication number: 20160216555
    Abstract: A liquid crystal display includes a first substrate and a second substrate. A plurality of thin film transistors and a plurality of pixel electrodes connected thereto are formed on the first substrate. The second substrate faces the first substrate and includes a color filter. The color filter includes a blue color filter, a green color filter, and a red color filter corresponding to each pixel electrode. A yellow color filter is formed on at least one of the green color filter and the red color filter.
    Type: Application
    Filed: January 28, 2016
    Publication date: July 28, 2016
    Inventors: Hee Ra KIM, Chang-Soon JANG, Yi Seop SHIM, Sun-Young CHANG
  • Publication number: 20160202526
    Abstract: A liquid crystal display according to an exemplary embodiment of the present inventive concept includes: a first insulating substrate; a thin film transistor disposed on the first insulating substrate; a light blocking member disposed on the thin film transistor; and a spacer disposed on the light blocking member, wherein the spacer includes a main column spacer and a sub column spacer, and the sub column spacer is disposed between the main column spacer and has a stripe shape which extends in parallel to a gate line of the thin film transistor.
    Type: Application
    Filed: May 13, 2015
    Publication date: July 14, 2016
    Inventors: Yi Seop SHIM, Hee Ra KIM, Chang Soon JANG, Chul HUH