Patents by Inventor Heena Kim
Heena 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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Patent number: 12161020Abstract: An organic light emitting display device includes a substrate, an insulation layer structure, a light emitting layer, and an optical module. The substrate has an opening region, a peripheral region surrounding the opening region, and a display region surrounding the peripheral region. An opening is defined through the substrate in the opening region. The insulation layer structure is disposed in the display region and the peripheral region on the substrate. The light emitting layer is disposed on the insulation layer structure, and extends in a first direction from the display region into the opening region. A first opening is defined through the light emitting layer in the peripheral region. The optical module is disposed in the opening of the substrate.Type: GrantFiled: November 16, 2021Date of Patent: December 3, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Young Seok Baek, Heena Kim, Sang Jin Park, Taehyeok Choi, Mijung Han
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Publication number: 20230253523Abstract: A method of providing a display device includes providing a preliminary active layer, providing a preliminary insulation layer on the preliminary active layer, providing a doped area of the preliminary active layer, the providing of the doped area including providing impurities through the preliminary insulation layer on the preliminary active layer and to a portion of the preliminary active layer corresponding to the doped area, providing removal of the preliminary insulation layer from the preliminary active layer having the doped area, and providing crystallizing of the preliminary active layer having the doped area, the providing of the crystallizing including irradiating a laser to the preliminary active layer having the doped area to define an active layer of the display device which has the doped area.Type: ApplicationFiled: December 6, 2022Publication date: August 10, 2023Inventors: HEENA KIM, SANGJIN PARK, INKYUNG YOO, SANG JIN LEE
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Patent number: 11700761Abstract: A manufacturing method of a display apparatus, in which a defect rate in a manufacturing process is reduced and product reliability is increased, and a display apparatus manufactured according to the method are provided. The manufacturing method includes: forming a first pixel electrode on a substrate; forming an insulating layer; forming a first dam portion; forming a first lift-off layer; forming a first mask layer; forming a first intermediate layer; forming a first opposite electrode; forming a first insulating protective layer; and removing the first dam portion.Type: GrantFiled: December 21, 2020Date of Patent: July 11, 2023Assignee: Samsung Display Co., Ltd.Inventors: Mijung Han, Heena Kim, Sangjin Park
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Publication number: 20230137822Abstract: A display panel that includes a substrate that has a first area, a second area surrounding the first area, a third area surrounding the second area, a partition on the substrate in the second area, a first layer and a second layer on the first layer, and at least one groove on an upper surface of the second layer and a display element layer on the substrate in the third area and adjacent to the partition is provided.Type: ApplicationFiled: August 2, 2022Publication date: May 4, 2023Inventors: INKYUNG YOO, HEENA KIM, SANG JIN LEE
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Patent number: 11545476Abstract: A method of fabricating a display device includes forming a circuit layer on a base layer, forming a first preliminary electrode and a second preliminary electrode on the circuit layer, forming a photoresist layer on the first preliminary electrode and the second preliminary electrode, patterning the photoresist layer to form a photoresist pattern, treating a region of each of the first preliminary electrode and the second preliminary electrode to form a first electrode and a second electrode having regions of lower and higher electrical resistance, and disposing a light-emitting element on the first electrode and the second electrode at regions having lower electrical resistance.Type: GrantFiled: July 8, 2021Date of Patent: January 3, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sangjin Park, Heena Kim, Youngseok Baek, Donghyun Yang
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Patent number: 11527522Abstract: A method of fabricating a display device includes forming a circuit layer on a base layer, forming a first preliminary electrode and a second preliminary electrode on the circuit layer, forming a photoresist layer on the first preliminary electrode and the second preliminary electrode, patterning the photoresist layer to form a photoresist pattern, treating a region of each of the first preliminary electrode and the second preliminary electrode to form a first electrode and a second electrode having regions of lower and higher electrical resistance, and disposing a light-emitting element on the first electrode and the second electrode at regions having lower electrical resistance.Type: GrantFiled: June 16, 2021Date of Patent: December 13, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sangjin Park, Heena Kim, Youngseok Baek, Donghyun Yang
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Patent number: 11361581Abstract: An optical sensor includes: a sensing unit including a first sensing electrode, a second sensing electrode spaced apart from the first sensing electrode, and a sensing layer between the first sensing electrode and the second sensing electrode, the sensing layer containing amorphous silicon and germanium (Ge) ions impregnated in the amorphous silicon; and an optical pattern unit on the sensing unit and including a light shielding pattern and a plurality of transmission patterns in the light shielding pattern, wherein the sensing layer includes a first region, a second region, and a third region sequentially arranged from a boundary between the second sensing electrode and the sensing layer toward the first electrode, and a concentration of the germanium (Ge) ions in the amorphous silicon is relatively higher in the second region than in the first region and the third region.Type: GrantFiled: August 21, 2020Date of Patent: June 14, 2022Assignee: Samsung Display Co., Ltd.Inventors: SangJin Park, Cha-Dong Kim, Heena Kim, Inkyung Yoo, SungBae Ju, Taehyeok Choi
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Publication number: 20220077247Abstract: An organic light emitting display device includes a substrate, an insulation layer structure, a light emitting layer, and an optical module. The substrate has an opening region, a peripheral region surrounding the opening region, and a display region surrounding the peripheral region. An opening is defined through the substrate in the opening region. The insulation layer structure is disposed in the display region and the peripheral region on the substrate. The light emitting layer is disposed on the insulation layer structure, and extends in a first direction from the display region into the opening region. A first opening is defined through the light emitting layer in the peripheral region. The optical module is disposed in the opening of the substrate.Type: ApplicationFiled: November 16, 2021Publication date: March 10, 2022Inventors: Young Seok BAEK, Heena KIM, Sang Jin PARK, Taehyeok CHOI, Mijung HAN
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Patent number: 11217634Abstract: An organic light emitting display device includes a substrate, an insulation layer structure, a light emitting layer, and an optical module. The substrate has an opening region, a peripheral region surrounding the opening region, and a display region surrounding the peripheral region. An opening is defined through the substrate in the opening region. The insulation layer structure is disposed in the display region and the peripheral region on the substrate. The light emitting layer is disposed on the insulation layer structure, and extends in a first direction from the display region into the opening region. A first opening is defined through the light emitting layer in the peripheral region. The optical module is disposed in the opening of the substrate.Type: GrantFiled: December 10, 2019Date of Patent: January 4, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Young Seok Baek, Heena Kim, Sang Jin Park, Taehyeok Choi, Mijung Han
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Publication number: 20210335768Abstract: A method of fabricating a display device includes forming a circuit layer on a base layer, forming a first preliminary electrode and a second preliminary electrode on the circuit layer, forming a photoresist layer on the first preliminary electrode and the second preliminary electrode, patterning the photoresist layer to form a photoresist pattern, treating a region of each of the first preliminary electrode and the second preliminary electrode to form a first electrode and a second electrode having regions of lower and higher electrical resistance, and disposing a light-emitting element on the first electrode and the second electrode at regions having lower electrical resistance.Type: ApplicationFiled: July 8, 2021Publication date: October 28, 2021Applicant: Samsung Display Co., Ltd.Inventors: Sangjin PARK, Heena KIM, Youngseok BAEK, Donghyun YANG
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Publication number: 20210313307Abstract: A method of fabricating a display device includes forming a circuit layer on a base layer, forming a first preliminary electrode and a second preliminary electrode on the circuit layer, forming a photoresist layer on the first preliminary electrode and the second preliminary electrode, patterning the photoresist layer to form a photoresist pattern, treating a region of each of the first preliminary electrode and the second preliminary electrode to form a first electrode and a second electrode having regions of lower and higher electrical resistance, and disposing a light-emitting element on the first electrode and the second electrode at regions having lower electrical resistance.Type: ApplicationFiled: June 16, 2021Publication date: October 7, 2021Applicant: Samsung Display Co., Ltd.Inventors: Sangjin PARK, Heena KIM, Youngseok BAEK, Donghyun YANG
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Patent number: 11133483Abstract: An organic light emitting display panel includes an organic light emitting element, an encapsulation layer sealing the organic light emitting element, a power electrode providing a power voltage to the organic light emitting element, and a partial wall preventing an organic material from flowing while the encapsulation layer is formed. The partition wall includes a base dam covering one side of the power electrode, a first dam covering one side of the base dam, a second dam covering the other side of the base dam, a third dam covering one side of the first dam, and a fourth dam covering one side of the second dam.Type: GrantFiled: October 1, 2019Date of Patent: September 28, 2021Assignee: Samsung Display Co., Ltd.Inventors: Heena Kim, Sangjin Park, Youngseok Baek, Taehyeok Choi, Mijung Han
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Publication number: 20210296407Abstract: An organic light emitting diode display device includes a substrate, a buffer layer, a first circuit structure, a sub-pixel structure, and a first signal wire. The substrate includes a display region including a plurality of sub-pixel regions and a peripheral region surrounding the display region. The buffer layer is disposed in the display region and peripheral region on the substrate. The first circuit structure is disposed in the peripheral region on the buffer layer. The sub-pixel structure is disposed in each of the sub-pixel regions on the first circuit structure. The first signal wire is disposed in the peripheral region between the substrate and the buffer layer, and overlaps the first circuit structure when viewed from a plan view in a thickness direction of the substrate.Type: ApplicationFiled: June 3, 2021Publication date: September 23, 2021Inventors: Heena KIM, Myounggeun CHA, Sang Jin PARK, Young Seok BAEK
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Patent number: 11063030Abstract: A display device includes a plurality of scan lines and a plurality of data lines; and a plurality of pixels connected with the scan lines and the data lines, wherein at least one pixel of the plurality of pixels includes a pixel circuit having at least one transistor, an insulating layer covering the pixel circuit, a first electrode disposed on the insulating layer and electrically connected to the pixel circuit, a second electrode disposed on the insulating layer and spaced apart from the first electrode, and a light-emitting element electrically connected to the first electrode and the second electrode.Type: GrantFiled: November 4, 2019Date of Patent: July 13, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sangjin Park, Heena Kim, Youngseok Baek, Donghyun Yang
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Patent number: 11063093Abstract: An organic light emitting diode display device includes a substrate, a buffer layer, a first circuit structure, a sub-pixel structure, and a first signal wire. The substrate includes a display region including a plurality of sub-pixel regions and a peripheral region surrounding the display region. The buffer layer is disposed in the display region and peripheral region on the substrate. The first circuit structure is disposed in the peripheral region on the buffer layer. The sub-pixel structure is disposed in each of the sub-pixel regions on the first circuit structure. The first signal wire is disposed in the peripheral region between the substrate and the buffer layer, and overlaps the first circuit structure when viewed from a plan view in a thickness direction of the substrate.Type: GrantFiled: December 10, 2019Date of Patent: July 13, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Heena Kim, Myounggeun Cha, Sang Jin Park, Young Seok Baek
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Publication number: 20210151718Abstract: A manufacturing method of a display apparatus, in which a defect rate in a manufacturing process is reduced and product reliability is increased, and a display apparatus manufactured according to the method are provided. The manufacturing method includes: forming a first pixel electrode on a substrate; forming an insulating layer; forming a first dam portion; forming a first lift-off layer; forming a first mask layer; forming a first intermediate layer; forming a first opposite electrode; forming a first insulating protective layer; and removing the first dam portion.Type: ApplicationFiled: December 21, 2020Publication date: May 20, 2021Inventors: Mijung HAN, Heena KIM, Sangjin PARK
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Publication number: 20210150177Abstract: An optical sensor includes: a sensing unit including a first sensing electrode, a second sensing electrode spaced apart from the first sensing electrode, and a sensing layer between the first sensing electrode and the second sensing electrode, the sensing layer containing amorphous silicon and germanium (Ge) ions impregnated in the amorphous silicon; and an optical pattern unit on the sensing unit and including a light shielding pattern and a plurality of transmission patterns in the light shielding pattern, wherein the sensing layer includes a first region, a second region, and a third region sequentially arranged from a boundary between the second sensing electrode and the sensing layer toward the first electrode, and a concentration of the germanium (Ge) ions in the amorphous silicon is relatively higher in the second region than in the first region and the third region.Type: ApplicationFiled: August 21, 2020Publication date: May 20, 2021Inventors: SangJin PARK, Cha-Dong KIM, Heena KIM, Inkyung YOO, SungBae JU, Taehyeok CHOI
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Patent number: 10886505Abstract: A manufacturing method of a display apparatus, in which a defect rate in a manufacturing process is reduced and product reliability is increased, and a display apparatus manufactured according to the method are provided. The manufacturing method includes: forming a first pixel electrode on a substrate; forming an insulating layer; forming a first dam portion; forming a first lift-off layer; forming a first mask layer; forming a first intermediate layer; forming a first opposite electrode; forming a first insulating protective layer; and removing the first dam portion.Type: GrantFiled: June 11, 2019Date of Patent: January 5, 2021Assignee: Samsung Display Co., Ltd.Inventors: Mijung Han, Heena Kim, Sangjin Park
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Patent number: 10879491Abstract: A display apparatus includes a substrate including a first area, a second area surrounding the first area, and a third area between the first area and the second area. A plurality of display elements disposed in the second area include a first display element and a second display element spaced apart from each other. A thin-film encapsulation layer includes an organic encapsulation layer covering the plurality of display elements. An inorganic encapsulation layer is on the organic encapsulation layer. A planarization layer partially covers the thin-film encapsulation layer in the third area. The inorganic encapsulation layer includes a first surface facing the planarization layer and a second surface facing in an opposite direction. The first surface has a roughness that is greater than a roughness of the second surface. In addition, other various embodiments may be provided.Type: GrantFiled: April 29, 2020Date of Patent: December 29, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Inkyung Yoo, Heena Kim, Youngseok Baek
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Publication number: 20200212139Abstract: An organic light emitting display device includes a substrate, an insulation layer structure, a light emitting layer, and an optical module. The substrate has an opening region, a peripheral region surrounding the opening region, and a display region surrounding the peripheral region. An opening is defined through the substrate in the opening region. The insulation layer structure is disposed in the display region and the peripheral region on the substrate. The light emitting layer is disposed on the insulation layer structure, and extends in a first direction from the display region into the opening region. A first opening is defined through the light emitting layer in the peripheral region. The optical module is disposed in the opening of the substrate.Type: ApplicationFiled: December 10, 2019Publication date: July 2, 2020Inventors: Young Seok BAEK, Heena KIM, Sang Jin PARK, Taehyeok CHOI, Mijung HAN