Patents by Inventor Da Yeon JEONG

Da Yeon JEONG 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: 20250127023
    Abstract: A display apparatus in one example includes a substrate having a display area and a non-display area, a plurality of transistors and a light emitting device disposed in the display area, an encapsulation layer disposed in the display area and the non-display area, and a reflective member disposed in the non-display area to surround the display area. The reflective member includes a retroreflective to reflective light incident from outside to observe flow of the encapsulating layer.
    Type: Application
    Filed: October 8, 2024
    Publication date: April 17, 2025
    Applicant: LG Display Co., Ltd.
    Inventors: Hyun KIM, Sang-Mo BYUN, Da-Yeon JEONG
  • Publication number: 20240260392
    Abstract: A display apparatus includes a first subpixel, a second subpixel and a third subpixel disposed on a substrate; a first organic light emitting element configured to emit a first color of light, a second organic light emitting element configured to emit a second color of light and a third organic light emitting element configured to emit a third color of light disposed in the first, second and third subpixels, respectively; a first anode, a second anode and a third anode disposed in the first, second and third subpixels, respectively; and a first cathode, a second cathode and a third cathode disposed in the first, second and third subpixels, respectively, wherein the first, second and third cathodes include at least one layer, and wherein at least two cathodes among the first, second and third cathodes have a different number of layers than each other.
    Type: Application
    Filed: December 22, 2023
    Publication date: August 1, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Sang-Mo BYUN, Hyun KIM, Chul-Young JANG, Da-Yeon JEONG
  • Publication number: 20240224743
    Abstract: A display apparatus according to invention includes a substrate including a plurality of sub-pixels, a transistor disposed in each sub-pixel over the substrate, an organic light emitting device disposed in each sub-pixel over the substrate, a metal patterning layer over the organic light emitting device, and a reflective wall disposed in boundary area of the sub-pixels on the metal patterning layer.
    Type: Application
    Filed: November 1, 2023
    Publication date: July 4, 2024
    Inventors: Hyun Kim, Da-Yeon Jeong, Chul-Young Jang, Sang-Mo Byun
  • Publication number: 20240206288
    Abstract: A light emitting display device includes a control pattern configured to control flow of a liquid material, thus defining an edge line of an organic encapsulation layer made of a liquid material and reducing a non-active area. The light emitting display device includes a control metal pattern configured to surround an active area at a non-active area and provided on a first inorganic encapsulation layer, an edge line pattern made of an organic material on the control metal pattern, and an organic encapsulation layer provided on the first inorganic encapsulation layer in an area inward from the control metal pattern.
    Type: Application
    Filed: December 13, 2023
    Publication date: June 20, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Hyun KIM, Da Yeon JEONG, Chul Young JANG, Sang Mo BYUN
  • Patent number: 10608141
    Abstract: Disclosed herein is an LED chip including electrode pads. The LED chip includes a semiconductor stack including a first conductive type semiconductor layer, a second conductive type semiconductor layer on the first conductive type semiconductor layer, and an active layer interposed between the first conductive type semiconductor layer and the second conductive type semiconductor layer; a first electrode pad located on the second conductive type semiconductor layer opposite to the first conductive type semiconductor layer; a first electrode extension extending from the first electrode pad and connected to the first conductive type semiconductor layer; a second electrode pad electrically connected to the second conductive type semiconductor layer; and an insulation layer interposed between the first electrode pad and the second conductive type semiconductor layer. The LED chip includes the first electrode pad on the second conductive type semiconductor layer, thereby increasing a light emitting area.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: March 31, 2020
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Ye Seul Kim, Kyoung Wan Kim, Yeo Jin Yoon, Sang Hyun Oh, Keum Ju Lee, Jin Woong Lee, Da Yeon Jeong, Sang Won Woo
  • Publication number: 20180219130
    Abstract: Disclosed herein is an LED chip including electrode pads. The LED chip includes a semiconductor stack including a first conductive type semiconductor layer, a second conductive type semiconductor layer on the first conductive type semiconductor layer, and an active layer interposed between the first conductive type semiconductor layer and the second conductive type semiconductor layer; a first electrode pad located on the second conductive type semiconductor layer opposite to the first conductive type semiconductor layer; a first electrode extension extending from the first electrode pad and connected to the first conductive type semiconductor layer; a second electrode pad electrically connected to the second conductive type semiconductor layer; and an insulation layer interposed between the first electrode pad and the second conductive type semiconductor layer. The LED chip includes the first electrode pad on the second conductive type semiconductor layer, thereby increasing a light emitting area.
    Type: Application
    Filed: March 26, 2018
    Publication date: August 2, 2018
    Inventors: Ye Seul Kim, Kyoung Wan Kim, Yeo Jin Yoon, Sang Hyun Oh, Keum Ju Lee, Jin Woong Lee, Da Yeon Jeong, Sang Won Woo
  • Patent number: 9929314
    Abstract: Disclosed herein is an LED chip including electrode pads. The LED chip includes a semiconductor stack including a first conductive type semiconductor layer, a second conductive type semiconductor layer on the first conductive type semiconductor layer, and an active layer interposed between the first conductive type semiconductor layer and the second conductive type semiconductor layer; a first electrode pad located on the second conductive type semiconductor layer opposite to the first conductive type semiconductor layer; a first electrode extension extending from the first electrode pad and connected to the first conductive type semiconductor layer; a second electrode pad electrically connected to the second conductive type semiconductor layer; and an insulation layer interposed between the first electrode pad and the second conductive type semiconductor layer. The LED chip includes the first electrode pad on the second conductive type semiconductor layer, thereby increasing a light emitting area.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: March 27, 2018
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Ye Seul Kim, Kyoung Wan Kim, Yeo Jin Yoon, Sang Hyun Oh, Keum Ju Lee, Jin Woong Lee, Da Yeon Jeong, Sang Won Woo
  • Publication number: 20170047483
    Abstract: Disclosed herein is an LED chip including electrode pads. The LED chip includes a semiconductor stack including a first conductive type semiconductor layer, a second conductive type semiconductor layer on the first conductive type semiconductor layer, and an active layer interposed between the first conductive type semiconductor layer and the second conductive type semiconductor layer; a first electrode pad located on the second conductive type semiconductor layer opposite to the first conductive type semiconductor layer; a first electrode extension extending from the first electrode pad and connected to the first conductive type semiconductor layer; a second electrode pad electrically connected to the second conductive type semiconductor layer; and an insulation layer interposed between the first electrode pad and the second conductive type semiconductor layer. The LED chip includes the first electrode pad on the second conductive type semiconductor layer, thereby increasing a light emitting area.
    Type: Application
    Filed: October 27, 2016
    Publication date: February 16, 2017
    Inventors: Ye Seul Kim, Kyoung Wan Kim, Yeo Jin Yoon, Sang Hyun Oh, Keum Ju Lee, Jin Woong Lee, Da Yeon Jeong, Sang Won Woo
  • Patent number: 9520536
    Abstract: Disclosed herein is an LED chip including electrode pads. The LED chip includes a semiconductor stack including a first conductive type semiconductor layer, a second conductive type semiconductor layer on the first conductive type semiconductor layer, and an active layer interposed between the first conductive type semiconductor layer and the second conductive type semiconductor layer; a first electrode pad located on the second conductive type semiconductor layer opposite to the first conductive type semiconductor layer; a first electrode extension extending from the first electrode pad and connected to the first conductive type semiconductor layer; a second electrode pad electrically connected to the second conductive type semiconductor layer; and an insulation layer interposed between the first electrode pad and the second conductive type semiconductor layer. The LED chip includes the first electrode pad on the second conductive type semiconductor layer, thereby increasing a light emitting area.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: December 13, 2016
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Ye Seul Kim, Kyoung Wan Kim, Yeo Jin Yoon, Sang Hyun Oh, Keum Ju Lee, Jin Woong Lee, Da Yeon Jeong, Sang Won Woo
  • Patent number: 9397264
    Abstract: Disclosed herein in an LED chip including electrode pads. The LED chip includes a semiconductor stack including a first conductive type semiconductor layer, a second conductive type semiconductor layer on the first conductive type semiconductor layer, and an active layer interposed between the first conductive type semiconductor layer and the second conductive type semiconductor layer, a first electrode pad located on the second conductive type semiconductor layer opposite to the second conductive type semiconductor layer; a first electrode extension extending from the first electrode pad and connected to the first conductive type semiconductor layer; a second electrode pad electrically connected to the second conductive type semiconductor layer; and an insulation layer interposed between the first electrode pad and the second conductive type semiconductor layer. The LED chip includes the first electrode pad on the second conductive type semiconductor layer, thereby increasing a light emitting area.
    Type: Grant
    Filed: February 24, 2015
    Date of Patent: July 19, 2016
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Ye Seul Kim, Kyoung Wan Kim, Yeo Jin Yoon, Sang Hyun Oh, Keum Ju Lee, Jin Woong Lee, Da Yeon Jeong, Sang Won Woo
  • Publication number: 20160118564
    Abstract: Disclosed herein is an LED chip including electrode pads. The LED chip includes a semiconductor stack including a first conductive type semiconductor layer, a second conductive type semiconductor layer on the first conductive type semiconductor layer, and an active layer interposed between the first conductive type semiconductor layer and the second conductive type semiconductor layer; a first electrode pad located on the second conductive type semiconductor layer opposite to the first conductive type semiconductor layer; a first electrode extension extending from the first electrode pad and connected to the first conductive type semiconductor layer; a second electrode pad electrically connected to the second conductive type semiconductor layer; and an insulation layer interposed between the first electrode pad and the second conductive type semiconductor layer. The LED chip includes the first electrode pad on the second conductive type semiconductor layer, thereby increasing a light emitting area.
    Type: Application
    Filed: December 30, 2015
    Publication date: April 28, 2016
    Inventors: Ye Seul Kim, Kyoung Wan Kim, Yeo Jin Yoon, Sang Hyun Oh, Keum Ju Lee, Jin Woong Lee, Da Yeon Jeong, Sang Won Woo
  • Patent number: 9269871
    Abstract: Disclosed is a light emitting diode (LED) comprising a light emitting stacked structure and an electrode structure formed to have a pattern on the light emitting stacked structure. The electrode structure of the LED includes a cluster of reflectors disposed along the pattern on the light emitting stacked structure, and a pad material layer formed to entirely cover the reflectors.
    Type: Grant
    Filed: April 30, 2015
    Date of Patent: February 23, 2016
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Ye Seul Kim, Da Yeon Jeong, Kyoung Wan Kim, Yeo Jin Yoon, Sang Hyun Oh
  • Publication number: 20150236216
    Abstract: Disclosed is a light emitting diode (LED) comprising a light emitting stacked structure and an electrode structure formed to have a pattern on the light emitting stacked structure. The electrode structure of the LED includes a cluster of reflectors disposed along the pattern on the light emitting stacked structure, and a pad material layer formed to entirely cover the reflectors.
    Type: Application
    Filed: April 30, 2015
    Publication date: August 20, 2015
    Inventors: Ye Seul Kim, Da Yeon Jeong, Kyoung Wan Kim, Yeo Jin Yoon, Sang Hyun Oh
  • Publication number: 20150236210
    Abstract: Disclosed herein in an LED chip including electrode pads. The LED chip includes a semiconductor stack including a first conductive type semiconductor layer, a second conductive type semiconductor layer on the first conductive type semiconductor layer, and an active layer interposed between the first conductive type semiconductor layer and the second conductive type semiconductor layer, a first electrode pad located on the second conductive type semiconductor layer opposite to the second conductive type semiconductor layer, a first electrode extension extending from the first electrode pad and connected to the first conductive type semiconductor layer, a second electrode pad electrically connected to the second conductive type semiconductor layer, and an insulation layer interposed between the first electrode pad and the second conductive type semiconductor layer. The LED chip includes the first electrode pad on the second conductive type semiconductor layer, thereby increasing a light emitting area.
    Type: Application
    Filed: February 24, 2015
    Publication date: August 20, 2015
    Inventors: Ye Seul Kim, Kyoung Wan Kim, Yeo Jin Yoon, Sang Hyun Oh, Keum Ju Lee, Jin Woong Lee, Da Yeon Jeong, Sang Won Woo
  • Patent number: 9024345
    Abstract: Disclosed is a light emitting diode (LED) comprising a light emitting stacked structure and an electrode structure formed to have a pattern on the light emitting stacked structure. The electrode structure of the LED includes a cluster of reflectors disposed along the pattern on the light emitting stacked structure, and a pad material layer formed to entirely cover the reflectors.
    Type: Grant
    Filed: April 5, 2011
    Date of Patent: May 5, 2015
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Ye Seul Kim, Da Yeon Jeong, Kyoung Wan Kim, Yeo Jin Yoon, Sang Hyun Oh
  • Patent number: 8987772
    Abstract: Disclosed herein is an LED chip including electrode pads. The LED chip includes a semiconductor stack including a first conductive type semiconductor layer, a second conductive type semiconductor layer on the first conductive type semiconductor layer, and an active layer interposed between the first conductive type semiconductor layer and the second conductive type semiconductor layer; a first electrode pad located on the second conductive type semiconductor layer opposite to the first conductive type semiconductor layer; a first electrode extension extending from the first electrode pad and connected to the first conductive type semiconductor layer; a second electrode pad electrically connected to the second conductive type semiconductor layer; and an insulation layer interposed between the first electrode pad and the second conductive type semiconductor layer. The LED chip includes the first electrode pad on the second conductive type semiconductor layer, thereby increasing a light emitting area.
    Type: Grant
    Filed: February 28, 2011
    Date of Patent: March 24, 2015
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Ye Seul Kim, Kyoung Wan Kim, Yeo Jin Yoon, Sang-Hyun Oh, Keum Ju Lee, Jin Woong Lee, Da Yeon Jeong, Sang Won Woo
  • Patent number: 8878220
    Abstract: Exemplary embodiments of the present invention relate to light emitting diodes. A light emitting diode according to an exemplary embodiment of the present invention includes a substrate having a first side edge and a second side edge, and a light emitting structure arranged on the substrate. The light emitting structure includes a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer. A transparent electrode layer including a concave portion and a convex portion is arranged on the second conductivity-type semiconductor layer. A first electrode pad contacts an upper surface of the first conductivity-type semiconductor layer and is located near a center of the first side edge. Two second electrode pads are located near opposite distal ends of the second side edge to supply electric current to the second conductivity-type semiconductor layer.
    Type: Grant
    Filed: August 15, 2011
    Date of Patent: November 4, 2014
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Jeong Hee Yang, Kyoung Wan Kim, Yeo Jin Yoon, Ye Seul Kim, Sang Hyun Oh, Duk Il Suh, Keum Ju Lee, Jin Woong Lee, Da Yeon Jeong
  • Publication number: 20140299905
    Abstract: A light-emitting diode includes a substrate, and a light-emitting structure disposed on the substrate. The light-emitting structure includes a first conductivity-type semiconductor layer, an active layer, and a second conductivity-type semiconductor layer. A transparent electrode layer including concave portions and convex portions is disposed on the second conductivity-type semiconductor layer. Micro-lenses are disposed on the transparent electrode layer and completely cover the concave portions, and only partially cover the convex portions that are disposed between the micro-lenses.
    Type: Application
    Filed: June 19, 2014
    Publication date: October 9, 2014
    Inventors: Jeong Hee YANG, Kyoung Wan Kim, Yeo Jin Yoon, Ye Seul Kim, Sang Hyun Oh, Duk Il Suh, Keum Ju Lee, Jin Woong Lee, Da Yeon Jeong
  • Publication number: 20130234192
    Abstract: Disclosed herein is an LED chip including electrode pads. The LED chip includes a semiconductor stack including a first conductive type semiconductor layer, a second conductive type semiconductor layer on the first conductive type semiconductor layer, and an active layer interposed between the first conductive type semiconductor layer and the second conductive type semiconductor layer; a first electrode pad located on the second conductive type semiconductor layer opposite to the first conductive type semiconductor layer; a first electrode extension extending from the first electrode pad and connected to the first conductive type semiconductor layer; a second electrode pad electrically connected to the second conductive type semiconductor layer; and an insulation layer interposed between the first electrode pad and the second conductive type semiconductor layer. The LED chip includes the first electrode pad on the second conductive type semiconductor layer, thereby increasing a light emitting area.
    Type: Application
    Filed: February 28, 2011
    Publication date: September 12, 2013
    Applicant: SEOUL OPTO DEVICE CO., LTD.
    Inventors: Ye Seul Kim, Kyoung Wan Kim, Yeo Jin Yoon, Sang Hyun Oh, Keum Ju Lee, Jin Woong Lee, Da Yeon Jeong, Sang Won Woo
  • Publication number: 20130146929
    Abstract: Disclosed is a light emitting diode (LED) comprising a light emitting stacked structure and an electrode structure formed to have a pattern on the light emitting stacked structure. The electrode structure of the LED includes a cluster of reflectors disposed along the pattern on the light emitting stacked structure, and a pad material layer formed to entirely cover the reflectors.
    Type: Application
    Filed: April 5, 2011
    Publication date: June 13, 2013
    Applicant: Seoul Opto Device Co., Ltd.
    Inventors: Ye Seul Kim, Da Yeon Jeong, Kyoung Wan Kim, Yeo Jin Yoon, Sang Hyun Oh