Patents by Inventor Ki Soub Yang
Ki Soub Yang 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).
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Patent number: 10658440Abstract: An organic light emitting diode display device includes a substrate including a display region, wherein a plurality of pixel regions are defined in the display region; a first electrode over the substrate and in each of the plurality of pixel regions; a bank including a lower layer and an upper layer on the first electrode, the lower layer disposed on edges of the first electrode and having a first width and a first thickness, the upper layer disposed on the lower layer and having a second width smaller than the first width; an organic emitting layer on the first electrode and a portion of the lower layer; and a second electrode on the organic emitting layer and covering an entire surface of the display region.Type: GrantFiled: June 26, 2018Date of Patent: May 19, 2020Assignee: LG Display Co., Ltd.Inventors: Dae-Jung Choi, Jae-Ki Lee, Ki-Soub Yang, Hwang-Un Seo, Hong-Myeong Jeon, Seung-Ryul Choi, A-Ryoung Lee, Han-Hee Kim, Geum-Young Lee, Kang-Hyun Kim
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Publication number: 20180308913Abstract: An organic light emitting diode display device includes a substrate including a display region, wherein a plurality of pixel regions are defined in the display region; a first electrode over the substrate and in each of the plurality of pixel regions; a bank including a lower layer and an upper layer on the first electrode, the lower layer disposed on edges of the first electrode and having a first width and a first thickness, the upper layer disposed on the lower layer and having a second width smaller than the first width; an organic emitting layer on the first electrode and a portion of the lower layer; and a second electrode on the organic emitting layer and covering an entire surface of the display region.Type: ApplicationFiled: June 26, 2018Publication date: October 25, 2018Inventors: Dae-Jung Choi, Jae-Ki Lee, Ki-Soub Yang, Hwang-Un Seo, Hong-Myeong Jeon, Seung-Ryul Choi, A-Ryoung Lee, Han-Hee Kim, Geum-Young Lee, Kang-Hyun Kim
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Patent number: 10038039Abstract: An organic light emitting diode display device includes a substrate including a display region, wherein a plurality of pixel regions are defined in the display region; a first electrode over the substrate and in each of the plurality of pixel regions; a bank including a lower layer and an upper layer on the first electrode, the lower layer disposed on edges of the first electrode and having a first width and a first thickness, the upper layer disposed on the lower layer and having a second width smaller than the first width; an organic emitting layer on the first electrode and a portion of the lower layer; and a second electrode on the organic emitting layer and covering an entire surface of the display region.Type: GrantFiled: July 10, 2017Date of Patent: July 31, 2018Assignee: LG DISPLAY CO., LTD.Inventors: Dae-Jung Choi, Jae-Ki Lee, Ki-Soub Yang, Hwang-Un Seo, Hong-Myeong Jeon, Seung-Ryul Choi, A-Ryoung Lee, Han-Hee Kim, Geum-Young Lee, Kang-Hyun Kim
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Patent number: 10020356Abstract: Provided is an organic light-emitting display device. An organic light-emitting display device (OLED) includes: a substrate including at least three pixel regions arranged in a horizontal direction, a first electrode in each pixel region on the substrate, a bank surrounding each pixel region, and a power line in the horizontal portion at a lower side of each pixel region on the substrate, the power line being configured to supply a driving voltage to each pixel region.Type: GrantFiled: December 30, 2016Date of Patent: July 10, 2018Assignee: LG Display Co., Ltd.Inventors: A-Ryoung Lee, Ki-Soub Yang, Da-Hye Shim
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Patent number: 9929221Abstract: An organic light emitting diode display device (100) including: a plurality of pixels (101, 102, 103) each including first (101a, 102a, 103a), second (101b, 102b, 103b) and third sub-pixels (101c, 102c, 103c), wherein the first sub-pixels (101a, 102a, 103a) of adjacent pixels (101, 102, 103), the second sub-pixels (101b, 102b, 103b) of adjacent pixels (101, 102, 103) and the third sub-pixels (101c, 102c, 103c) of adjacent pixels (101, 102, 103) constitute a plurality of sub-pixel groups (150); a first bank layer (171) dividing the plurality of sub-pixel groups (150) and dividing the first (101a, 102a, 103a), second (101b, 102b, 103b) and third sub-pixels (101c, 102c, 103c); and a second bank layer (173) on the first bank layer (171), the second bank layer (173) dividing the first (101a, 102a, 103a), second (101b, 102b, 103b) and third sub-pixels (101c, 102c, 103c).Type: GrantFiled: June 30, 2016Date of Patent: March 27, 2018Assignee: LG DISPLAY CO., LTD.Inventors: Kang-Hyun Kim, Ki-Soub Yang, Seung-Ryul Choi, Kyoung-Jin Park
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Patent number: 9923036Abstract: Disclosed is a display device that may include a thin film transistor array substrate that includes a plurality of first sub-pixels and a plurality of second sub-pixels, wherein one of the plurality of first sub-pixels includes a first emission region and a first non-emission region, and one of the plurality of second sub-pixels includes a second emission region and a second non-emission region; a first bank pattern in the first and second non-emission regions, the first bank pattern including a hydrophilic material; and a second bank pattern on an upper surface of the first bank pattern, the second bank pattern includes a hydrophobic material.Type: GrantFiled: June 26, 2017Date of Patent: March 20, 2018Assignee: LG DISPLAY CO., LTD.Inventors: Kang Hyun Kim, Ki Soub Yang, Seung Ryul Choi, Kyoung Jin Park
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Patent number: 9825111Abstract: A method of forming an organic light emitting diode (OLED) display device is discussed. The method according to an embodiment includes forming a first bank pattern on a substrate and in an emission region and a non-emission region; forming a second bank pattern on the first bank pattern; forming an organic emission layer on the substrate in the emission region; and forming a planarization film on the substrate to include an opening under the first and second bank patterns in the non-emission region. The second bank pattern is on the first bank pattern in the non-emission region, and the first bank pattern is in the opening of the planarization film in the non-emission region.Type: GrantFiled: September 23, 2016Date of Patent: November 21, 2017Assignee: LG DISPLAY CO., LTD.Inventors: Kyoung Jin Park, Ki Soub Yang, Seung Ryul Choi, Kang Hyun Kim, Sam Jong Lee
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Publication number: 20170309692Abstract: An organic light emitting diode display device includes a substrate including a display region, wherein a plurality of pixel regions are defined in the display region; a first electrode over the substrate and in each of the plurality of pixel regions; a bank including a lower layer and an upper layer on the first electrode, the lower layer disposed on edges of the first electrode and having a first width and a first thickness, the upper layer disposed on the lower layer and having a second width smaller than the first width; an organic emitting layer on the first electrode and a portion of the lower layer; and a second electrode on the organic emitting layer and covering an entire surface of the display region.Type: ApplicationFiled: July 10, 2017Publication date: October 26, 2017Inventors: Dae-Jung Choi, Jae-Ki Lee, Ki-Soub Yang, Hwang-Un Seo, Hong-Myeong Jeon, Seung-Ryul Choi, A-Ryoung Lee, Han-Hee Kim, Geum-Young Lee, Kang-Hyun Kim
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Publication number: 20170294494Abstract: Disclosed is a display device that may include a thin film transistor array substrate that includes a plurality of first sub-pixels and a plurality of second sub-pixels, wherein one of the plurality of first sub-pixels includes a first emission region and a first non-emission region, and one of the plurality of second sub-pixels includes a second emission region and a second non-emission region; a first bank pattern in the first and second non-emission regions, the first bank pattern including a hydrophilic material; and a second bank pattern on an upper surface of the first bank pattern, the second bank pattern includes a hydrophobic material.Type: ApplicationFiled: June 26, 2017Publication date: October 12, 2017Inventors: Kang Hyun KIM, Ki Soub YANG, Seung Ryul CHOI, Kyoung Jin PARK
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Patent number: 9748319Abstract: Disclosed is a display device that may include a thin film transistor array substrate that includes a plurality of first sub-pixels and a plurality of second sub-pixels, wherein one of the plurality of first sub-pixels includes a first emission region and a first non-emission region, and one of the plurality of second sub-pixels includes a second emission region and a second non-emission region; a first bank pattern in the first and second non-emission regions, the first bank pattern including a hydrophilic material; and a second bank pattern on an upper surface of the first bank pattern, the second bank pattern includes a hydrophobic material.Type: GrantFiled: October 5, 2015Date of Patent: August 29, 2017Assignee: LG DISPLAY CO., LTD.Inventors: Kang Hyun Kim, Ki Soub Yang, Seung Ryul Choi, Kyoung Jin Park
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Patent number: 9735211Abstract: An organic light emitting diode display device includes a substrate including a display region, wherein a plurality of pixel regions are defined in the display region; a first electrode over the substrate and in each of the plurality of pixel regions; a bank including a lower layer and an upper layer on the first electrode, the lower layer disposed on edges of the first electrode and having a first width and a first thickness, the upper layer disposed on the lower layer and having a second width smaller than the first width; an organic emitting layer on the first electrode and a portion of the lower layer; and a second electrode on the organic emitting layer and covering an entire surface of the display region.Type: GrantFiled: March 10, 2015Date of Patent: August 15, 2017Assignee: LG DISPLAY CO., LTD.Inventors: Dae-Jung Choi, Jae-Ki Lee, Ki-Soub Yang, Hwang-Un Seo, Hong-Myeong Jeon, Seung-Ryul Choi, A-Ryoung Lee, Han-Hee Kim, Geum-Young Lee, Kang-Hyun Kim
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Patent number: 9735216Abstract: An organic light emitting display (OLED) device is disclosed. The OLED device includes a substrate configured to include a sub-pixel defined into an emission region and a driving region. A first bank pattern configured to define the emission region of the sub-pixel is formed on the substrate. A second bank pattern configured to include an opening, which exposes the emission region and a part of the driving region, is formed on a part of an upper surface of the first bank pattern. An organic emission layer is formed in the opening. As such, the occupied area of the organic emission layer becomes wider. Therefore, the thickness deviation of the organic emission layer is prevented or minimized.Type: GrantFiled: April 27, 2016Date of Patent: August 15, 2017Assignee: LG Display Co., Ltd.Inventors: Geum Young Lee, Ki Soub Yang, Soo Yong Lee, Dae Jung Choi
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Publication number: 20170194414Abstract: Provided is an organic light-emitting display device. An organic light-emitting display device (OLED) includes: a substrate including at least three pixel regions arranged in a horizontal direction, a first electrode in each pixel region on the substrate, a bank surrounding each pixel region, and a power line in the horizontal portion at a lower side of each pixel region on the substrate, the power line being configured to supply a driving voltage to each pixel region.Type: ApplicationFiled: December 30, 2016Publication date: July 6, 2017Applicant: LG Display Co., Ltd.Inventors: A-Ryoung LEE, Ki-Soub YANG, Da-Hye SHIM
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Patent number: 9692020Abstract: Disclosed an organic electroluminescent device and a method for fabricating the same. The device may include a thin film transistor disposed on a substrate; a first electrode formed for each pixel on the thin film transistor; a first pixel define layer formed to cover an edge portion of the first electrode; a second pixel define layer formed on the first pixel define layer; an organic layer formed on the first electrode; and a second electrode formed on the organic layer.Type: GrantFiled: July 18, 2016Date of Patent: June 27, 2017Assignee: LG DISPLAY CO., LTD.Inventors: Kyoung Jin Park, Ki Soub Yang, Dae Jung Choi, Seung Ryul Choi, Han Hee Kim, Kang Hyun Kim, Ji Hyun Lee
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Publication number: 20170012092Abstract: A method of forming an organic light emitting diode (OLED) display device is discussed. The method according to an embodiment includes forming a first bank pattern on a substrate and in an emission region and a non-emission region; forming a second bank pattern on the first bank pattern; forming an organic emission layer on the substrate in the emission region; and forming a planarization film on the substrate to include an opening under the first and second bank patterns in the non-emission region. The second bank pattern is on the first bank pattern in the non-emission region, and the first bank pattern is in the opening of the planarization film in the non-emission region.Type: ApplicationFiled: September 23, 2016Publication date: January 12, 2017Applicant: LG DISPLAY CO., LTD.Inventors: Kyoung Jin PARK, Ki Soub YANG, Seung Ryul CHOI, Kang Hyun KIM, Sam Jong LEE
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Publication number: 20170005151Abstract: An organic light emitting diode display device (100) including: a plurality of pixels (101, 102, 103) each including first (101a, 102a, 103a), second (101b, 102b, 103b) and third sub-pixels (101c, 102c, 103c), wherein the first sub-pixels (101a, 102a, 103a) of adjacent pixels (101, 102, 103), the second sub-pixels (101b, 102b, 103b) of adjacent pixels (101, 102, 103) and the third sub-pixels (101c, 102c, 103c) of adjacent pixels (101, 102, 103) constitute a plurality of sub-pixel groups (150); a first bank layer (171) dividing the plurality of sub-pixel groups (150) and dividing the first (101a, 102a, 103a), second (101b, 102b, 103b) and third sub-pixels (101c, 102c, 103c); and a second bank layer (173) on the first bank layer (171), the second bank layer (173) dividing the first (101a, 102a, 103a), second (101b, 102b, 103b) and third sub-pixels (101c, 102c, 103c).Type: ApplicationFiled: June 30, 2016Publication date: January 5, 2017Inventors: Kang-Hyun KIM, Ki-Soub YANG, Seung-Ryul CHOI, Kyoung-Jin PARK
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Publication number: 20160329530Abstract: Disclosed an organic electroluminescent device and a method for fabricating the same. The device may include a thin film transistor disposed on a substrate; a first electrode formed for each pixel on the thin film transistor; a first pixel define layer formed to cover an edge portion of the first electrode; a second pixel define layer formed on the first pixel define layer; an organic layer formed on the first electrode; and a second electrode formed on the organic layer.Type: ApplicationFiled: July 18, 2016Publication date: November 10, 2016Inventors: Kyoung Jin PARK, Ki Soub YANG, Dae Jung CHOI, Seung Ryul CHOI, Han Hee KIM, Kang Hyun KIM, Ji Hyun LEE
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Patent number: 9478592Abstract: An organic light emitting diode (OLED) display device, and a method for manufacturing the OLED display device are discussed. The OLED display device according to one embodiment includes a substrate; a first bank pattern formed on the substrate and in an emission region and a non-emission region; a second bank pattern formed on the first bank pattern; an organic emission layer formed on the substrate in the emission region; and a planarization film formed on the substrate to include an opening under the first and second bank patterns in the non-emission region. The second bank pattern is on the first bank pattern in the non-emission region, and the first bank pattern is in the opening of the planarization film in the non-emission region.Type: GrantFiled: November 6, 2015Date of Patent: October 25, 2016Assignee: LG DISPLAY CO., LTD.Inventors: Kyoung Jin Park, Ki Soub Yang, Seung Ryul Choi, Kang Hyun Kim, Sam Jong Lee
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Patent number: 9461098Abstract: An OLED device is disclosed. The device includes a substrate defined to have a first active area and a dummy area. First electrodes are formed on the substrate, and a first bank pattern is formed to overlap with edges of each first electrode and to expose a part of an upper surface of each first electrode. A second bank pattern is formed on the first bank pattern within the first active area, and a third bank pattern is formed on the first bank pattern within the dummy area in the same layer as the second bank pattern. The second bank pattern is formed to have a larger width than that of the third bank pattern. As such, an organic emission layer can be evenly formed in the active area.Type: GrantFiled: December 23, 2014Date of Patent: October 4, 2016Assignee: LG DISPLAY CO., LTD.Inventors: Dae Jung Choi, Jae Ki Lee, Ki Soub Yang, Hong Myeong Jeon
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Patent number: RE48349Abstract: An organic light emitting diode display device includes a first substrate including a display region, wherein a plurality of pixel regions are defined in the display region; a first electrode over the first substrate and in each of the plurality of pixel regions; a first bank on edges of the first electrode and including an insulating material blocking penetration of light; a second bank on the first bank and including an insulating material having a hydrophobic property; an organic light emitting layer on the first electrode and a portion of the first bank; and a second electrode on the organic light emitting layer and covering an entire surface of the display region.Type: GrantFiled: August 31, 2017Date of Patent: December 8, 2020Assignee: LG DISPLAY CO., LTD.Inventors: Kang-Hyun Kim, Ki-Soub Yang, Dae-Jung Choi, Seung-Ryul Choi, Han-Hee Kim, Kyoung-Jin Park