Patents by Inventor Hanhee Kim
Hanhee Kim 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: 20210050396Abstract: An organic light-emitting display device comprises a substrate comprising a display area with sub-pixels arranged along a first direction and a second direction intersecting the first direction and a non-display area surrounding the display area; an overcoat layer placed on the substrate; first electrodes placed on the overcoat layer and allocated to the sub-pixels; a first bank that is placed in the display area and the non-display area and has first openings exposing the first electrode; a second bank that is placed in the display area and the non-display area and has second openings exposing the first electrodes arranged along the second direction on the first bank; and organic light-emitting layers placed on the second openings, wherein the second openings expose the first bank in the non-display area.Type: ApplicationFiled: October 29, 2020Publication date: February 18, 2021Inventors: Jaehwan MYUNG, Hanhee KIM
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Patent number: 10854694Abstract: An organic light-emitting display device comprises a substrate comprising a display area with sub-pixels arranged along a first direction and a second direction intersecting the first direction and a non-display area surrounding the display area; an overcoat layer placed on the substrate; first electrodes placed on the overcoat layer and allocated to the sub-pixels; a first bank that is placed in the display area and the non-display area and has first openings exposing the first electrode; a second bank that is placed in the display area and the non-display area and has second openings exposing the first electrodes arranged along the second direction on the first bank; and organic light-emitting layers placed on the second openings, wherein the second openings expose the first bank in the non-display area.Type: GrantFiled: May 1, 2019Date of Patent: December 1, 2020Assignee: LG Display Co., Ltd.Inventors: Jaehwan Myung, Hanhee Kim
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Patent number: 10763311Abstract: An organic light emitting display device comprises a substrate having a plurality of sub-pixels arranged in a first direction and a second direction intersecting the first direction; a plurality of first electrodes disposed to correspond to the plurality of sub-pixels; a first bank having a plurality of first openings exposing a portion of the plurality of first electrodes; and a second bank disposed on the first bank, having a plurality of second openings that exposes the plurality of first electrodes, and at least one third opening disposed between two neighboring second openings along the second direction.Type: GrantFiled: December 6, 2019Date of Patent: September 1, 2020Assignee: LG Display Co., Ltd.Inventor: Hanhee Kim
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Publication number: 20200194518Abstract: An organic light-emitting display device comprises a substrate comprising a display area with sub-pixels arranged along a first direction and a second direction intersecting the first direction and a non-display area surrounding the display area; an overcoat layer placed on the substrate; first electrodes placed on the overcoat layer and allocated to the sub-pixels; a first bank that is placed in the display area and the non-display area and has first openings exposing the first electrode; a second bank that is placed in the display area and the non-display area and has second openings exposing the first electrodes arranged along the second direction on the first bank; and organic light-emitting layers placed on the second openings, wherein the second openings expose the first bank in the non-display area.Type: ApplicationFiled: May 1, 2019Publication date: June 18, 2020Inventors: Jaehwan MYUNG, Hanhee KIM
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Publication number: 20200194513Abstract: An organic light emitting display device comprises a substrate having a plurality of sub-pixels arranged in a first direction and a second direction intersecting the first direction; a plurality of first electrodes disposed to correspond to the plurality of sub-pixels; a first bank having a plurality of first openings exposing a portion of the plurality of first electrodes; and a second bank disposed on the first bank, having a plurality of second openings that exposes the plurality of first electrodes, and at least one third opening disposed between two neighboring second openings along the second direction.Type: ApplicationFiled: December 6, 2019Publication date: June 18, 2020Applicant: LG Display Co., Ltd.Inventor: Hanhee Kim
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Patent number: 10665811Abstract: An electroluminescent display device which may improve display quality is discussed. The electroluminescent display device includes a substrate in which a plurality of pixel areas are defined, a first electrode arranged in each pixel area, a light emitting layer on the first electrode within the pixel area, and a second electrode on the light emitting layer. Particularly, a step difference portion is arranged at an edge of the pixel area, and is partially or fully be filled with the light emitting layer. Film uniformity of the light emitting layer within the pixel area may be improved by arrangement of the step difference portion.Type: GrantFiled: December 14, 2017Date of Patent: May 26, 2020Assignee: LG DISPLAY CO., LTD.Inventors: KyoungJin Park, Hanhee Kim, KiSoub Yang, HongMyeong Jeon, SungGoo Jung
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Publication number: 20180184501Abstract: An electroluminescent display device which may improve display quality is discussed. The electroluminescent display device includes a substrate in which a plurality of pixel areas are defined, a first electrode arranged in each pixel area, a light emitting layer on the first electrode within the pixel area, and a second electrode on the light emitting layer. Particularly, a step difference portion is arranged at an edge of the pixel area, and is partially or fully be filled with the light emitting layer. Film uniformity of the light emitting layer within the pixel area may be improved by arrangement of the step difference portion.Type: ApplicationFiled: December 14, 2017Publication date: June 28, 2018Applicant: LG DISPLAY CO., LTD.Inventors: KyoungJin Park, Hanhee Kim, KiSoub Yang, HongMyeong Jeon, SungGoo Jung
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Patent number: 9748317Abstract: An organic light emitting display panel and an organic light emitting display device according to the present invention may include a substrate, a pixel electrode positioned in each of a plurality of pixel areas on the substrate, a bank positioned in a non-emission area on the substrate, having a portion overlapping an edge of each pixel electrode and exposing a portion of each pixel electrode, and an organic layer positioned on each exposed pixel electrode. A plurality of grooves or holes may be positioned in the bank, and a material the same as that of the organic layer may be positioned in the groove or hole.Type: GrantFiled: December 22, 2014Date of Patent: August 29, 2017Assignee: LG DISPLAY CO., LTD.Inventors: Hanhee Kim, JaeKi Lee
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Publication number: 20160079322Abstract: An organic light emitting display panel and an organic light emitting display device according to the present invention may include a substrate, a pixel electrode positioned in each of a plurality of pixel areas on the substrate, a bank positioned in a non-emission area on the substrate, having a portion overlapping an edge of each pixel electrode and exposing a portion of each pixel electrode, and an organic layer positioned on each exposed pixel electrode. A plurality of grooves or holes may be positioned in the bank, and a material the same as that of the organic layer may be positioned in the groove or hole.Type: ApplicationFiled: December 22, 2014Publication date: March 17, 2016Inventors: Hanhee KIM, JaeKi LEE
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Patent number: 8033707Abstract: A LED backlight assembly including a light emitting diode array having a plurality of red, green and blue light emitting diodes; a light guide plate at the side of the light emitting diode array; and a supporter supporting the light guide plate. The amount of red light produced by a red light emitting diode positioned at one end of the light emitting diode array and the amount of blue light produced by a blue light emitting diode positioned at another end of the light emitting diode array is less than that produced by the next light emitting diode of the same color, respectively.Type: GrantFiled: October 17, 2008Date of Patent: October 11, 2011Assignee: LG Display Co., Ltd.Inventors: Hanhee Kim, Wontaek Moon, Wook Jeon, Jaewon Shin, Junho Bae
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Publication number: 20090129117Abstract: A backlight assembly is provided. The backlight assembly includes a light emitting diode array including a plurality of light emitting diodes, a light guide plate at the side of the light emitting diode array, and a supporter supporting the light guide plate. Light that is produced by the light emitting diodes positioned at both ends of the light emitting diode array and is incident on the light guide plate is darker than light that is produced by the other light emitting diodes and is incident on the light guide plate.Type: ApplicationFiled: October 17, 2008Publication date: May 21, 2009Applicant: LG Display Co., Ltd.Inventors: Hanhee Kim, Wontaek Moon, Wook Jeon, Jaewon Shin, Junho Bae