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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Publication number: 20160254332Abstract: 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: ApplicationFiled: April 27, 2016Publication date: September 1, 2016Inventors: Geum Young LEE, Ki Soub YANG, Soo Yong LEE, Dae Jung CHOI
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Patent number: 9418893Abstract: 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: December 23, 2013Date of Patent: August 16, 2016Assignee: 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: 20160172422Abstract: 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: October 5, 2015Publication date: June 16, 2016Inventors: Kang Hyun KIM, Ki Soub YANG, Seung Ryul CHOI, Kyoung Jin PARK
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Publication number: 20160155786Abstract: 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: ApplicationFiled: November 6, 2015Publication date: June 2, 2016Applicant: 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: 9349779Abstract: 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: December 24, 2014Date of Patent: May 24, 2016Assignee: LG DISPLAY CO., LTD.Inventors: Geum Young Lee, Ki Soub Yang, Soo Yong Lee, Dae Jung Choi
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Patent number: 9318542Abstract: 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: August 28, 2013Date of Patent: April 19, 2016Assignee: 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: 20160087016Abstract: 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: ApplicationFiled: December 24, 2014Publication date: March 24, 2016Inventors: Geum Young LEE, Ki Soub YANG, Soo Yong LEE, Dae Jung CHOI
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Publication number: 20160079323Abstract: 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: ApplicationFiled: December 23, 2014Publication date: March 17, 2016Inventors: Dae Jung CHOI, Jae Ki LEE, Ki Soub YANG, Hong Myeong JEON
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Patent number: 9231035Abstract: 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 first bank on edges of the first electrode; a second bank on an upper surface of the first bank and covering only a portion of the first bank; an organic emitting layer on the first electrode and a portion of the first bank; and a second electrode on the organic emitting layer and covering an entire surface of the display region.Type: GrantFiled: August 27, 2013Date of Patent: January 5, 2016Assignee: LG Display Co., Ltd.Inventors: Kang-Hyun Kim, Ki-Soub Yang, Dae-Jung Choi, Seung-Ryul Choi, A-Ryoung Lee, Han-Hee Kim
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Publication number: 20150333110Abstract: 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: December 23, 2013Publication date: November 19, 2015Applicant: 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: 20150249117Abstract: 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: March 10, 2015Publication date: September 3, 2015Inventors: 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: 9123675Abstract: 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: December 5, 2013Date of Patent: September 1, 2015Assignee: LG DISPLAY CO., LTD.Inventors: Kang-Hyun Kim, Ki-Soub Yang, Dae-Jung Choi, Seung-Ryul Choi, Han-Hee Kim, Kyoung-Jin Park
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Patent number: 9105876Abstract: A method of fabricating an organic light emitting diode display device having improved effective emitting area includes forming a first electrode over a substrate including a display region, which includes a plurality of pixel regions; forming the first bank on edges of the first electrode having a first width, and the second bank formed on the first bank having a second width smaller than the first width; forming an organic emitting layer on the first electrode and a portion of the first bank; and forming a second electrode on a organic emitting layer; patterning the second bank material layer to form a bank pattern; patterning the first bank using the bank pattern as an etching mask to form the first bank; and partially etching the bank pattern to form the second bank such that the first bank protrudes from the second bank by a third width.Type: GrantFiled: August 26, 2013Date of Patent: August 11, 2015Assignee: LG Display Co., Ltd.Inventors: Dae-Jung Choi, Ki-Soub Yang, Seung-Ryul Choi, Han-Hee Kim, Kang-Hyun Kim
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Publication number: 20150001486Abstract: 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: ApplicationFiled: December 5, 2013Publication date: January 1, 2015Applicant: LG Display Co., Ltd.Inventors: Kang-Hyun KIM, Ki-Soub YANG, Dae-Jung CHOI, Seung-Ryul CHOI, Han-Hee KIM, Kyoung-Jin PARK
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Patent number: 8879029Abstract: A method of fabricating a color filter substrate for a liquid crystal display device includes steps of forming a black matrix having a first thickness on a substrate, which includes first, second and third pixel regions, the black matrix surrounding each of the first, second and third pixel regions, forming red, green and blue color filter patterns using an inkjet apparatus, the red, green and blue color filter patterns disposed in the first, second and third pixel regions, respectively and having a second thickness, and forming an overcoat layer on a substantially entire surface of the substrate including the black matrix and the red, green and blue color filter patterns, the overcoat layer having a third thickness, wherein a difference between the first and second thicknesses is less than 15% of the third thickness such that the overcoat layer has an even top surface.Type: GrantFiled: December 10, 2009Date of Patent: November 4, 2014Assignee: LG Display Co., Ltd.Inventors: Jae-Min Lee, Hyeon-Jin Seo, Ki-Soub Yang
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Publication number: 20140147950Abstract: A method of fabricating an organic light emitting diode display device includes forming a first electrode over a substrate including a display region, which includes a plurality of pixel regions, the first electrode formed in each of the plurality of pixel regions; forming a first bank and a second bank, the first bank formed on edges of the first electrode and having a first width and a first thickness, and the second bank formed on the first bank and having a second width smaller than the first width; forming an organic emitting layer on the first electrode and a portion of the first bank; and forming a second electrode on the organic emitting layer and covering an entire of the display region.Type: ApplicationFiled: August 26, 2013Publication date: May 29, 2014Inventors: Dae-Jung Choi, Ki-Soub Yang, Seung-Ryul Choi, Han-Hee Kim, Kang-Hyun Kim
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Publication number: 20140145157Abstract: 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 first bank on edges of the first electrode and having a first width and a first thickness; a second bank on the first bank and having a second width smaller than the first width; an organic emitting layer on the first electrode and a portion of the first bank; and a second electrode on the organic emitting layer and covering an entire surface of the display region.Type: ApplicationFiled: August 27, 2013Publication date: May 29, 2014Inventors: Kang-Hyun Kim, Ki-Soub Yang, Dae-Jung Choi, Seung-Ryul Choi, A-Ryoung Lee, Han-Hee Kim
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Publication number: 20140145158Abstract: 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: August 28, 2013Publication date: May 29, 2014Inventors: 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: 8305542Abstract: A thin film transistor array substrate comprises thin film transistors and pixel electrodes formed at respective pixels that are defined by gate lines and data lines that orthogonally intersect each other. The thin film transistor array substrate further comprises a plurality of gate pad units that group a plurality of gate pads extended from the gate lines, and a plurality of data pad units that groups a plurality of data pads extended from the data lines. The thin film transistor array substrate further includes a plurality of gate test terminals connected to the gate pad units and beside at least one side of the respective gate pad units, and a plurality of data test terminals connected to the data pad units and located beside at least one side of the respective data pad units.Type: GrantFiled: July 11, 2011Date of Patent: November 6, 2012Assignee: LG Display Co., Ltd.Inventors: Dong Woo Kang, Soung Yeoul Eom, Bong Chul Kim, Ki Soub Yang
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Patent number: 8228466Abstract: A liquid crystal display comprises a matrix pattern formed in a double layer comprising a lower pattern having a hydrophilic property on a substrate, and a black matrix having a hydrophobic property on the lower pattern; and color filters formed in the pixel area.Type: GrantFiled: April 7, 2011Date of Patent: July 24, 2012Assignee: LG Display Co., Ltd.Inventors: Dong Woo Kang, So Jong Shin, Bong Chul Kim, Ki Soub Yang, Tae Hyung Lee, Hak Woon Kim, Hong Myeong Jeon