Patents by Inventor Sang-Min Yi

Sang-Min Yi 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: 20220020926
    Abstract: A mask includes a first mask that includes a first long side that extends in a first direction and a first short side that extends in a second direction that crosses the first direction and that includes a first edge portion, a first center portion, and a first welded portion, that are sequentially arranged in the first direction. The mask further includes a second mask that includes a second long side that extends in the first direction and a second short side that extends in the second direction and that includes a second welded portion, a second center portion, and a second edge portion, that are sequentially arranged in the first direction. The first welded portion is in contact with the second welded portion.
    Type: Application
    Filed: April 15, 2021
    Publication date: January 20, 2022
    Inventors: SEIL KIM, EUIGYU KIM, KWANHEE LEE, SANG MIN YI, JUNHYEUK KO, SEUNGJU HONG
  • Patent number: 11217639
    Abstract: A display device is provided. The display device includes a display region which includes a first display region and a second display region, where the first display region includes a plurality of first pixels, and the second display region includes a plurality of second pixels and at least one light transmission region, where the light transmission region has light transmittance that is higher than light transmittance of the first pixel and light transmittance of the second pixel, and the second display region has light transmittance that is higher than light transmittance of the first display region.
    Type: Grant
    Filed: July 10, 2019
    Date of Patent: January 4, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae Won Baek, Sang Min Yi, Sang Shin Lee, Sung Chul Kim, Joon Young Park
  • Publication number: 20210286268
    Abstract: A metal mask according to some embodiments of the present disclosure may include a metal thin film having a first thickness and having a first region including a transmission region defining first openings penetrating the metal thin film, and a non-transmission region including an etching portion having a second thickness that is smaller than the first thickness, and a second region adjacent the first region, and defining second openings penetrating the metal thin film, wherein an opening density of the first region is less than an opening density of the second region, the opening density of the first region being defined as a number of the first openings per an area of the first region, and the opening density of the second region being defined as a number of the second openings per an area of the second region.
    Type: Application
    Filed: December 7, 2020
    Publication date: September 16, 2021
    Inventors: Seil KIM, Jongbum KIM, Junghyun AHN, Sang Min YI
  • Publication number: 20210249603
    Abstract: A mask assembly and method for manufacturing of the same are provided. A mask assembly includes: a mask frame including a first mask opening and a second mask opening which are located side by side in a first direction and defined by a support bar; a first split mask overlapping the first mask opening; and a second split mask overlapping the second mask opening, and the first split mask and the second split mask are spaced apart from each other in a region overlapping the support bar.
    Type: Application
    Filed: August 10, 2020
    Publication date: August 12, 2021
    Inventors: Se Il KIM, Sang Min YI, Eui Gyu KIM, Dae Won BAEK
  • Publication number: 20210167148
    Abstract: A display device includes: a base substrate; a first pixel electrode, a second pixel electrode, and a third pixel electrode arranged on the base substrate to be spaced apart from each other; a pixel defining film on the first pixel electrode, the second pixel electrode, and the third pixel electrode and including a first opening exposing the first pixel electrode, a second opening exposing the second pixel electrode and spaced apart from the first opening, and a third opening exposing the third pixel electrode and spaced apart from the first opening and the second opening; a first organic layer on the first pixel electrode exposed by the first opening; a second organic layer on the second pixel electrode exposed by the second opening; and a third organic layer on the third pixel electrode exposed by the third opening.
    Type: Application
    Filed: December 28, 2020
    Publication date: June 3, 2021
    Inventors: Sang Shin LEE, Joon Young PARK, Min Goo KANG, Jung Woo KO, Jong Sung PARK, Hong Kyun AHN, Sang Min YI, Sang Woo JO, Young Eun RYU, Yoon Seo LEE
  • Patent number: 10879324
    Abstract: A display device includes: a base substrate; a first pixel electrode, a second pixel electrode, and a third pixel electrode arranged on the base substrate to be spaced apart from each other; a pixel defining film on the first pixel electrode, the second pixel electrode, and the third pixel electrode and including a first opening exposing the first pixel electrode, a second opening exposing the second pixel electrode and spaced apart from the first opening, and a third opening exposing the third pixel electrode and spaced apart from the first opening and the second opening; a first organic layer on the first pixel electrode exposed by the first opening; a second organic layer on the second pixel electrode exposed by the second opening; and a third organic layer on the third pixel electrode exposed by the third opening.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: December 29, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Shin Lee, Joon Young Park, Min Goo Kang, Jung Woo Ko, Jong Sung Park, Hong Kyun Ahn, Sang Min Yi, Sang Woo Jo, Young Eun Ryu, Yoon Seo Lee
  • Publication number: 20200295309
    Abstract: An electronic panel, includes: a base substrate including a front surface, a rear surface opposite the front surface, and a plurality of side surfaces connecting the front surface and the rear surface to each other; a pixel definition layer on the front surface of the base substrate and having a plurality of openings defined therein; a plurality of emitting elements in the openings; and a spacer on the pixel definition layer and spaced apart from the openings, wherein a thickness of the spacer is equal to or greater than a thickness of the pixel definition layer.
    Type: Application
    Filed: February 21, 2020
    Publication date: September 17, 2020
    Inventors: Hyangyul KIM, Sunhwa KIM, Heeseong JEONG, Suk Hoon KU, Hyun-Gue SONG, Dukjin LEE, Sang Min YI
  • Publication number: 20200105843
    Abstract: A display device is provided. The display device includes a display region which includes a first display region and a second display region, where the first display region includes a plurality of first pixels, and the second display region includes a plurality of second pixels and at least one light transmission region, where the light transmission region has light transmittance that is higher than light transmittance of the first pixel and light transmittance of the second pixel, and the second display region has light transmittance that is higher than light transmittance of the first display region.
    Type: Application
    Filed: July 10, 2019
    Publication date: April 2, 2020
    Inventors: Dae Won BAEK, Sang Min YI, Sang Shin LEE, Sung Chul KIM, Joon Young PARK
  • Publication number: 20190371874
    Abstract: A display device includes: a base substrate; a first pixel electrode, a second pixel electrode, and a third pixel electrode arranged on the base substrate to be spaced apart from each other; a pixel defining film on the first pixel electrode, the second pixel electrode, and the third pixel electrode and including a first opening exposing the first pixel electrode, a second opening exposing the second pixel electrode and spaced apart from the first opening, and a third opening exposing the third pixel electrode and spaced apart from the first opening and the second opening; a first organic layer on the first pixel electrode exposed by the first opening; a second organic layer on the second pixel electrode exposed by the second opening; and a third organic layer on the third pixel electrode exposed by the third opening.
    Type: Application
    Filed: March 19, 2019
    Publication date: December 5, 2019
    Inventors: Sang Shin LEE, Joon Young PARK, Min Goo KANG, Jung Woo KO, Jong Sung PARK, Hong Kyun AHN, Sang Min YI, Sang Woo JO, Young Eun RYU, Yoon Seo LEE
  • Patent number: 9508778
    Abstract: An organic light emitting device includes: a first substrate; a plurality of electrodes on the first substrate; a pixel definition layer on the plurality of electrodes and including a plurality of openings and respectively exposing the plurality of electrodes; and a spacer on the pixel definition layer, wherein the pixel definition layer includes a first opening and a second opening adjacent to each other along a first direction by an interval for each pixel, and a third opening adjacent to the first opening and the second opening by an interval along a second direction crossing the first direction, and wherein the spacer is at a crossing point of a first imaginary line extending in the first direction and passing between the first opening and the third opening and a second imaginary line extending in the second direction and passing between the first opening and the second opening.
    Type: Grant
    Filed: January 16, 2015
    Date of Patent: November 29, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Nam-Hee Kim, Keun Soo Lee, Sun Youl Lee, Kwang-Min Kim, Mi Kyung Kim, Yang Wan Kim, Jong-Ryuk Park, Kyung Jin Lee, Sang Min Yi, Sang Shin Lee
  • Publication number: 20160248049
    Abstract: A deposition apparatus comprises a chamber, a deposition material supplier positioned in the chamber and configured to contain and supply a deposition material, a substrate holder disposed in the chamber and configured to hold a substrate such that a major surface of the substrate faces the deposition material supplier; and a mask retainer disposed in the chamber and configured to retain a mask disposed over the major surface of the substrate. The mask retainer comprises a base, and a plurality of magnets coupled to the base, at least one of the plurality of magnets being movable with respect to the base, the plurality of magnets being configured to apply magnetic force to the mask such that the mask is fixed to the substrate without substantial movement of the mask with respect to the substrate during deposition of the deposition material.
    Type: Application
    Filed: October 2, 2015
    Publication date: August 25, 2016
    Inventors: Jae Min HONG, Jung-Hoon KIM, Hong Ryul KIM, Suk Beom YOU, Sang Min YI, Young-Geun CHO
  • Patent number: 9395471
    Abstract: A display device includes a display panel including a display area for displaying an image and a non-display area adjacent to the display area, a polarizing plate positioned on the display panel and including a polarizing layer for polarizing light that passes through the polarizing layer, and a light shielding layer positioned between the display panel and the polarizing plate. The light shielding layer is formed at an edge of the display panel to correspond to the non-display area.
    Type: Grant
    Filed: March 5, 2013
    Date of Patent: July 19, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sang-Min Yi
  • Publication number: 20150311473
    Abstract: An organic light emitting device includes: a first substrate; a plurality of electrodes on the first substrate; a pixel definition layer on the plurality of electrodes and including a plurality of openings and respectively exposing the plurality of electrodes; and a spacer on the pixel definition layer, wherein the pixel definition layer includes a first opening and a second opening adjacent to each other along a first direction by an interval for each pixel, and a third opening adjacent to the first opening and the second opening by an interval along a second direction crossing the first direction, and wherein the spacer is at a crossing point of a first imaginary line extending in the first direction and passing between the first opening and the third opening and a second imaginary line extending in the second direction and passing between the first opening and the second opening.
    Type: Application
    Filed: January 16, 2015
    Publication date: October 29, 2015
    Inventors: Nam-Hee Kim, Keun Soo Lee, Sun Youl Lee, Kwang-Min Kim, Mi Kyung Kim, Yang Wan Kim, Jong-Ryuk Park, Kyung Jin Lee, Sang Min Yi, Sang Shin Lee
  • Patent number: 8941794
    Abstract: A backlight assembly and a liquid crystal display device including the backlight assembly are disclosed. In one embodiment, the backlight assembly includes a light guide plate configured to guide light, emitted from a light source, to a liquid crystal display panel and an optical sheet disposed on an upper surface of the light guide plate and configured to diffuse and collimate the light. The backlight assembly further includes a frame configured to support the liquid crystal display panel and the light guide plate and a shielding tape connected to an upper surface of the frame and extending from the frame to one side of the optical sheet.
    Type: Grant
    Filed: April 14, 2010
    Date of Patent: January 27, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sang-Min Yi
  • Publication number: 20140353623
    Abstract: An organic light emitting display module includes a display panel, a bracket, and a sheet structure body. The display panel includes an organic light emitting diode. The bracket is coupled to the display panel to support the display panel. The sheet structure body is interposed between the display panel and the bracket. The sheet structure body includes a first sheet for heat dissipation and a second sheet for impact absorption.
    Type: Application
    Filed: December 9, 2013
    Publication date: December 4, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang-Min YI, Seung-Yo Yang, Jung-Ha Lee
  • Publication number: 20140098513
    Abstract: A display device includes a display panel including a display area for displaying an image and a non-display area adjacent to the display area, a polarizing plate positioned on the display panel and including a polarizing layer for polarizing light that passes through the polarizing layer, and a light shielding layer positioned between the display panel and the polarizing plate. The light shielding layer is formed at an edge of the display panel to correspond to the non-display area.
    Type: Application
    Filed: March 5, 2013
    Publication date: April 10, 2014
    Inventor: Sang-Min Yi
  • Patent number: 8625043
    Abstract: A display device is disclosed. In one embodiment, the display device includes a display panel displaying an image and a bottom chassis including a bottom portion where the display panel is mounted and a plurality of side walls connected with the bottom portion and facing a side surface of the display panel. At least two of the side walls include a base side wall and a reinforcing side wall integrally formed with the base side wall by a connection portion. The connection portion and the reinforcing side wall are bent from the base side wall and thus partially overlap the base side wall.
    Type: Grant
    Filed: July 1, 2011
    Date of Patent: January 7, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jeong-Ho Hwang, Hwan-Jin Kim, Sang-Min Yi
  • Publication number: 20130343032
    Abstract: A polarization structure may include at least one adhesion layer, a phase retarder layer disposed over the adhesion layer, a polarization layer disposed over the phase retarder layer, and a light blocking member disposed over a peripheral portion of the polarization layer, under the peripheral portion of the polarization layer or under a peripheral portion of the phase retarder layer. When a display device includes the polarization structure having the light blocking member, the display device may display an image with improved visibility and uniformity in an entire display area although the display device has a minimized bezel or does not have any bezel.
    Type: Application
    Filed: February 12, 2013
    Publication date: December 26, 2013
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jong-Soo Lee, Seung-Yo Yang, Sang-Min Yi
  • Patent number: 8614692
    Abstract: A touch screen module which includes an LCD panel working as a touch screen, a protector window disposed over the LCD panel, and an adhesive to affix the protector window to the LCD panel. The LCD panel may be a hybrid Touch Screen Pad (hTSP) type touch screen and have a first substrate comprising a first surface on which a plurality of switching elements are formed, a second substrate comprising a second surface that faces the first surface, and liquid crystal material disposed between the first surface and the second surface. The protector window may have a plurality of pressing patterns on a third surface facing the second substrate. In operation, pressure from a touch applied to the protector window engages the pressing patterns against the second substrate, transferring touch pressure to the second substrate as well.
    Type: Grant
    Filed: March 15, 2010
    Date of Patent: December 24, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jeong-Ho Hwang, Sang-Min Yi, Sang-Hee Lee
  • Patent number: 8272774
    Abstract: A light guiding plate to enhance uniformity of brightness and a backlight assembly and a display device having the same in one or more embodiments. In one embodiment, the light guiding plate includes a plurality of the linear shaped prisms on a back surface thereof, and the linear shaped prisms are omitted partially at the incident portion of the light guiding plate such that a non-prism area, connection area, and prism area are formed in stated order from the incident portion end on the back surface of the light guiding plate. Therefore, the display device having the light guiding plate is adapted to increase a uniformity of brightness of the edge type backlight, and the display quality can be improved.
    Type: Grant
    Filed: September 4, 2009
    Date of Patent: September 25, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Min Yi, Young-Bee Chu, Jeong-Min Seo, Jae-Lok Cha, Ah-Ram Lee