Patents by Inventor Jun Hyung LIM

Jun Hyung LIM 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: 20240349547
    Abstract: A display device is disclosed that includes a base substrate, an organic light emitting element disposed on the base substrate, an insulating layer disposed on the base substrate and containing silicon oxide, and a thin film transistor disposed on the base substrate and electrically connected to the organic light emitting element, wherein the thin film transistor includes a semiconductor pattern disposed on the base substrate and including a channel area in contact with the insulating layer, and a gate electrode overlapping the channel area on a plane, wherein the semiconductor pattern contains indium gallium zinc tin oxide.
    Type: Application
    Filed: March 28, 2024
    Publication date: October 17, 2024
    Inventors: EUN HYUN KIM, Gwang Bok KIM, JUN HYUNG LIM, Jae Kyeong JEONG
  • Publication number: 20240341132
    Abstract: A display device includes a substrate, a corrosion prevention layer on the substrate and including an inorganic material, a first conductive layer on the corrosion prevention layer and including aluminum or an aluminum alloy, a first insulating film on the first conductive layer, a semiconductor layer on the first insulating film and including a channel region of a transistor, a second insulating film on the semiconductor layer, and a second conductive layer on the second insulating film and including a barrier layer, which includes titanium, and a main conductive layer, which includes aluminum or an aluminum alloy, wherein the semiconductor layer includes an oxide semiconductor, and the barrier layer is between the semiconductor layer and the main conductive layer and overlaps the channel region of the transistor.
    Type: Application
    Filed: June 17, 2024
    Publication date: October 10, 2024
    Inventors: Yeon Hong KIM, Eun Hye KO, Eun Hyun KIM, Kyoung Won LEE, Sun Hee LEE, Jun Hyung LIM
  • Patent number: 12080826
    Abstract: A display device may include a first gate electrode on a substrate, a buffer layer on the first gate electrode, a first active pattern on the buffer layer, overlapping the first gate electrode, and including an oxide semiconductor, a source pattern and a drain pattern respectively on ends of the first active pattern, an insulation layer overlapping the source pattern and the drain pattern on the buffer layer, an oxygen supply pattern on the insulation layer, overlapping the first active pattern, and supplying oxygen to the first active pattern, a second active pattern on the insulation layer and spaced apart from the oxygen supply pattern, the second active pattern including a channel region, and a source region and a drain region, an insulation pattern on the channel region of the second active pattern, and a second gate electrode on the insulation pattern.
    Type: Grant
    Filed: February 9, 2021
    Date of Patent: September 3, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Joon Seok Park, Myoung Hwa Kim, Tae Sang Kim, Yeon Keon Moon, Geun Chul Park, Jun Hyung Lim, Hye Lim Choi
  • Patent number: 12075665
    Abstract: A display device according to an embodiment includes: a first metal layer disposed on a substrate; a first insulating layer disposed on the first metal layer; a first transistor disposed on the first insulating layer and including a semiconductor layer; and a light-emitting device electrically connected to the first transistor, wherein the first metal layer includes a first portion with a first thickness and a second portion with a second thickness, the second thickness is greater than the first thickness, and the semiconductor layer is electrically connected to the first metal layer.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: August 27, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyoung Won Lee, Eun Hye Ko, Yeon Hong Kim, Eun Hyun Kim, Sun Hee Lee, Jun Hyung Lim
  • Patent number: 12068334
    Abstract: According to some embodiments of the present disclosure, a display device includes an active pattern including a metal oxide, a gate electrode overlapping the active pattern, a first capacitor electrode spaced apart from the active pattern and including a conductive oxide, and a second capacitor electrode on the first capacitor electrode.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: August 20, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung Jin Jeon, Eok Su Kim, Joon Seok Park, So Young Koo, Tae Sang Kim, Jun Hyung Lim
  • Publication number: 20240258436
    Abstract: A display device includes: a buffer layer including an inorganic insulating material, an active pattern disposed on the buffer layer and including a channel region and a first conductor region adjacent to the channel region, a gate insulating layer disposed on the buffer layer and the active pattern and including an inorganic insulating material, a gate electrode layer including a first electrode extending along a side surface of the gate insulating layer and including a first contact portion electrically contacting the first conductor region, and an oxygen supply layer including a first pattern disposed between the first electrode and the gate insulating layer, wherein the first pattern includes a first groove recessed from a side surface of to surround at least a part of the first contact portion in a plan view.
    Type: Application
    Filed: October 17, 2023
    Publication date: August 1, 2024
    Inventors: SOYOUNG KOO, TAEWOOK KANG, Hyoung Do Kim, HYUNGJUN KIM, YUNYONG NAM, JUN HYUNG LIM, Ki-Lim Han
  • Publication number: 20240260319
    Abstract: A display device includes a first lower electrode disposed on a base substrate, a first upper electrode disposed on the first lower electrode, overlapping the first lower electrode in a plan view, including a silicon semiconductor, and constituting a first capacitor together with the first lower electrode, a second lower electrode disposed on the first upper electrode, and a second upper electrode disposed on the second lower electrode, overlapping the second lower electrode in a plan view, including an oxide semiconductor, and constituting a second capacitor together with the second lower electrode.
    Type: Application
    Filed: April 12, 2024
    Publication date: August 1, 2024
    Inventors: MYEONGHO KIM, YEONHONG KIM, JAYBUM KIM, KYOUNG SEOK SON, SUNHEE LEE, SEUNGJUN LEE, SEUNGHUN LEE, JUN HYUNG LIM
  • Publication number: 20240234431
    Abstract: A display device according to an embodiment includes a light blocking layer disposed on a substrate; an oxygen supply layer disposed on and contacting the light blocking layer; a semiconductor layer disposed on the oxygen supply layer; and a light emitting diode electrically connected with the semiconductor layer. The semiconductor layer includes an oxide semiconductor, and the oxygen supply layer includes a metal oxide that includes at least one of indium, zinc, gallium, and tin.
    Type: Application
    Filed: March 20, 2024
    Publication date: July 11, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyung Jun KIM, So Young KOO, Eok Su KIM, Yun Yong NAM, Jun Hyung LIM, Kyung Jin JEON
  • Patent number: 12029080
    Abstract: A display device includes a light emitting element, a first transistor, a second transistor, and a diode. The first transistor may control a driving current flowing to the light emitting element depending on a voltage applied to a gate electrode of the first transistor. The second transistor is electrically connected between the gate electrode of the first transistor and a first electrode of the first transistor. A first electrode of the diode is electrically connected to a first electrode of the second transistor. A second electrode of the diode is electrically connected to the gate electrode of the first transistor.
    Type: Grant
    Filed: September 6, 2021
    Date of Patent: July 2, 2024
    Assignees: Samsung Display Co., Ltd., IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Duck Kyun Choi, Myeong Ho Kim, Jun Hyung Lim
  • Patent number: 12022710
    Abstract: An organic light emitting display device includes a substrate including a light emitting region, a first active layer having a source region and a drain region disposed in the light emitting region on the substrate, a gate insulation layer disposed on the first active layer, a first gate electrode disposed on the gate insulation layer, a first insulating interlayer disposed on the first gate electrode, a second insulating interlayer disposed on the first insulating interlayer, a first source electrode disposed on the second insulating interlayer, the first source electrode being connected to the source region of the first active layer through a contact hole formed in the gate insulation layer, the first insulating interlayer, and the second insulating interlayer, a protective insulating layer disposed on the first source electrode, a first drain electrode disposed on the protective insulating layer, the first drain electrode being connected to the drain region of the first active layer through a contact hole
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: June 25, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seunghun Lee, Myounghwa Kim, Jaybum Kim, Kyoung-seok Son, Seungjun Lee, Jun-hyung Lim
  • Patent number: 12022690
    Abstract: A method may be used for manufacturing a semiconductor element. The method may include the following steps: preparing a substrate; forming a semiconductor layer on the substrate, wherein the semiconductor layer includes crystallized two-dimensional layers; forming a source electrode and a drain electrode on the semiconductor layer; forming an semiconductor member by wet etching the semiconductor layer using sodium hypochlorite as an etchant, wherein the wet etching results in a residue; and removing the residue using purified water and an inert gas.
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: June 25, 2024
    Assignees: Samsung Display Co., Ltd., Industry-Academic Cooperation Foundation, Yonsei University
    Inventors: Jun Hyung Lim, Hyungjun Kim, Hyungjun Kim, Young Jun Kim, Ju Sang Park, Whang Je Woo
  • Patent number: 12016211
    Abstract: A display device includes a substrate, a corrosion prevention layer on the substrate and including an inorganic material, a first conductive layer on the corrosion prevention layer and including aluminum or an aluminum alloy, a first insulating film on the first conductive layer, a semiconductor layer on the first insulating film and including a channel region of a transistor, a second insulating film on the semiconductor layer, and a second conductive layer on the second insulating film and including a barrier layer, which includes titanium, and a main conductive layer, which includes aluminum or an aluminum alloy, wherein the semiconductor layer includes an oxide semiconductor, and the barrier layer is between the semiconductor layer and the main conductive layer and overlaps the channel region of the transistor.
    Type: Grant
    Filed: January 30, 2023
    Date of Patent: June 18, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yeon Hong Kim, Eun Hye Ko, Eun Hyun Kim, Kyoung Won Lee, Sun Hee Lee, Jun Hyung Lim
  • Publication number: 20240188335
    Abstract: A display device and a manufacturing method of the display device are provided. The display device includes a substrate, a passivation layer disposed on the substrate, a metal oxide layer disposed on the passivation layer, a via layer disposed on the metal oxide layer, a first electrode disposed on the via layer, a pixel defining layer covering the metal oxide layer and an edge portion of the first electrode and dividing a light-emitting area, an organic layer disposed on the first electrode and the pixel defining layer, and a second electrode disposed on the organic layer, wherein a side of the pixel defining layer protrudes more outward than a side of the metal oxide layer, and at least a portion of the organic layer is disconnected at a point between the side of the pixel defining layer and the passivation layer.
    Type: Application
    Filed: July 21, 2023
    Publication date: June 6, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Chul Won PARK, Myoung Hwa KIM, Geun Chul PARK, Jun Hyung LIM, Hye Lim CHOI
  • Publication number: 20240186422
    Abstract: Provided is a transistor including a first electrode, an active layer disposed under the first electrode and having a hole pattern with at least one hole in the source region, a drain region, and an active region overlapping the first electrode, and a second electrode disposed under the active layer. At least one of the first electrode and the second electrode overlaps the hole pattern. This way, the area of the transistor may be reduced, thereby achieving a display panel having a narrow bezel and reducing parasitic capacitance.
    Type: Application
    Filed: September 5, 2023
    Publication date: June 6, 2024
    Inventors: JOON SEOK PARK, Saeroonter OH, Su Hyun KIM, Taeho LEE, MYOUNGHWA KIM, JUN HYUNG LIM
  • Publication number: 20240179964
    Abstract: A display device comprises a substrate; a driving transistor including a first active layer and a switching transistor including a second active layer, the first active layer and the second active layer being disposed on the substrate; a first gate insulating layer disposed on the first active layer of the driving transistor and the second active layer of the switching transistor; first and second gate electrodes disposed on the first gate insulating layer to overlap the first active layer of the driving transistor and the second active layer of the switching transistor, respectively; a first interlayer insulating layer disposed on the first gate electrode and the second gate electrode; and a second interlayer insulating layer disposed on the first interlayer insulating layer to overlap the first active layer without overlapping the second active layer in a plan view.
    Type: Application
    Filed: February 7, 2024
    Publication date: May 30, 2024
    Inventors: Sang Woo SOHN, Saeroonter OH, Joon Seok PARK, Young Joon CHOI, Su Hyun KIM, Jun Hyung LIM
  • Patent number: 11980060
    Abstract: A display device includes a first lower electrode disposed on a base substrate, a first upper electrode disposed on the first lower electrode, overlapping the first lower electrode in a plan view, including a silicon semiconductor, and constituting a first capacitor together with the first lower electrode, a second lower electrode disposed on the first upper electrode, and a second upper electrode disposed on the second lower electrode, overlapping the second lower electrode in a plan view, including an oxide semiconductor, and constituting a second capacitor together with the second lower electrode.
    Type: Grant
    Filed: October 6, 2021
    Date of Patent: May 7, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Myeongho Kim, Yeonhong Kim, Jaybum Kim, Kyoung Seok Son, Sunhee Lee, Seungjun Lee, Seunghun Lee, Jun Hyung Lim
  • Patent number: 11968876
    Abstract: A display device includes a base substrate including a first sub-pixel area, a second sub-pixel area, and a third sub-pixel area, first to third thin film transistors on the base substrate and including first to third active patterns, respectively, first to third pixel electrodes electrically connected to the first to third thin film transistors, respectively and in the first to third sub-pixel areas, respectively, a blue light emitting layer on the first to third pixel electrodes and configured to emit a blue light, a first color conversion pattern in the first sub-pixel area on the blue light emitting layer, a second color conversion pattern in the second sub-pixel area on the blue light emitting layer, and a red color filter layer between the blue light emitting layer and the first to third active patterns.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: April 23, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyungjin Jeon, Joon-seok Park, Kwang-suk Kim, Taesang Kim, Yeon-keon Moon, Geunchul Park, Jun-hyung Lim
  • Publication number: 20240128251
    Abstract: A display device includes a first conductive layer disposed on a substrate, a passivation layer disposed on the first conductive layer, a second conductive layer disposed on the passivation layer, a via layer disposed on the second conductive layer, a third conductive layer disposed on the via layer, the third conductive layer including a first electrode, a second electrode, a connection pattern, the first electrode, the second electrode, and the connection pattern being spaced apart from each other, and a light emitting element, a first end and a second end of the light emitting element being disposed on the first electrode and the second electrode, respectively, wherein the connection pattern electrically connects the first conductive layer and the second conductive layer through a first contact hole penetrating the via layer and the passivation layer.
    Type: Application
    Filed: December 26, 2023
    Publication date: April 18, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Kyung Jin JEON, So Young KOO, Eok Su KIM, Hyung Jun KIM, Yun Yong NAM, Jun Hyung LIM
  • Patent number: 11950487
    Abstract: A display apparatus including a base substrate, a first thin film transistor disposed on the base substrate, a via insulation layer disposed on the first thin film transistor, and a light emitting structure disposed on the via insulation layer. The first thin film transistor includes a first gate electrode, an oxide semiconductor overlapped with the first gate electrode, and including tin (Sn), an etch stopper disposed on the oxide semiconductor and including an oxide semiconductor material which does not include tin (Sn), a first source electrode making contact with the oxide semiconductor, and a first drain electrode making contact with the oxide semiconductor, and spaced apart from the first source electrode.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: April 2, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joon Seok Park, Kyoung Seok Son, Jun Hyung Lim, Masataka Kano
  • Publication number: 20240102942
    Abstract: Provided is a defect analysis device which may include a light source that irradiates an analysis target layer of an element with light, a position adjuster that adjusts a position in the analysis target in the analysis target to be irradiated with the light, a detector that measures a current value of current flowing between a source area of the element electrically connected to one end of the analysis target layer and a drain area of the element electrically connected to the other end of the analysis target layer in the element, and an analyzer that acquires quantitative data related to a defect in the analysis target layer on the basis of the current value in which, in a first mode, a plurality of areas of the analysis target layer are sequentially irradiated with the light.
    Type: Application
    Filed: July 31, 2023
    Publication date: March 28, 2024
    Inventors: YEON KEON MOON, JUN HYUNG LIM, KWUN-BUM CHUNG, KWANG SIK JEONG, HYUN MIN HONG