Patents by Inventor Mi-ran JI
Mi-ran JI 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: 12262601Abstract: A light emitting display device includes a substrate including a display area and a non-display area adjacent to the display area; a lower pad electrode on the substrate in the non-display area; a planarization layer overlapping the lower electrode; an upper pad electrode on the lower pad electrode and overlapping at least a portion of the lower planarization layer. The planarization layer includes an opening exposing an upper surface of the lower pad electrode, the lower pad electrode and the upper pad electrode are electrically connected to each other through the opening, the lower planarization layer includes an exposed portion exposing an upper surface of the lower planarization layer, and an overlapping portion overlapping at least a portion of the upper pad electrode, and a height of the upper surface of the exposed portion is lower than a height of an upper surface of the overlapping portion.Type: GrantFiled: December 7, 2020Date of Patent: March 25, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chi Wook An, Seong Min Cho, Mi-Ran Ji, Chan Young Kim, Yeong Ho Lee
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Patent number: 12198646Abstract: A display device includes a substrate, a pixel emitting light, a light blocking layer blocking light, a first pixel row comprising a first pixel group and a second pixel group in a first direction in a plan view, and a second pixel row in a second direction that intersects the first direction and comprising a third pixel group and a fourth pixel group in the first direction. The first pixel group includes a first sub-pixel, a second sub-pixel in a third direction from the first sub-pixel, the third direction intersecting the first direction, and a third sub-pixel in the first direction from the first sub-pixel. The third pixel group may include a sixth sub-pixel, a seventh sub-pixel in the third direction from the sixth sub-pixel, and an eighth sub-pixel in the first direction from the sixth sub-pixel. The third pixel group may be surrounded by the light blocking layer.Type: GrantFiled: November 7, 2022Date of Patent: January 14, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chang Wook Kim, Chi Wook An, Gun Woo Ko, Soon Il Jung, Mi Ran Ji
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Publication number: 20240365583Abstract: A display device includes a substrate having a light emission area, a light emitting element layer including a light emitting element on the light emission area, and an sensing layer on the light emitting element layer and including a sensing electrode having a first opening overlapping the light emission area, a first refraction layer directly on the sensing electrode and having a second opening overlapping the light emission area, and a second refraction layer on the light emitting element layer and the first refraction layer, a first optical refractive index of the first refraction layer being less than a second optical refraction index of the second refraction layer.Type: ApplicationFiled: July 5, 2024Publication date: October 31, 2024Inventors: Hyeong Jun KIM, Ji Ryun PARK, Chi Wook AN, Mi Ran JI
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Patent number: 12120934Abstract: An electronic device includes a base layer that is divided into an active area and a peripheral area adjacent to the active area. A circuit layer is disposed on the base layer. A display element layer is disposed on the circuit layer and corresponds to the active area. A sensor layer is disposed on the display element layer. A filter layer is disposed on the sensor layer and corresponds to the active area. The filter layer includes a light blocking part and a color filter part. A protection layer is disposed on the circuit layer and corresponds to the peripheral area. The protection layer includes a color protection part or a light blocking protection part.Type: GrantFiled: June 21, 2021Date of Patent: October 15, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Mi-Ran Ji, Hyeonbum Lee
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Patent number: 12035567Abstract: A display device includes a substrate having a light emission area, a light emitting element layer including a light emitting element on the light emission area, and an sensing layer on the light emitting element layer and including a sensing electrode having a first opening overlapping the light emission area, a first refraction layer directly on the sensing electrode and having a second opening overlapping the light emission area, and a second refraction layer on the light emitting element layer and the first refraction layer, a first optical refractive index of the first refraction layer being less than a second optical refraction index of the second refraction layer.Type: GrantFiled: February 18, 2022Date of Patent: July 9, 2024Assignee: Samsung Display Co., Ltd.Inventors: Hyeong Jun Kim, Ji Ryun Park, Chi Wook An, Mi Ran Ji
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Publication number: 20240215415Abstract: Provided is a display device including first light-emitting elements activated in a first operation mode and deactivated in a second operation mode, second light-emitting elements activated in the first and second operation modes, a base substrate including a first region having a first light-emitting region where the first light-emitting elements are disposed and a first non-light-emitting region, and a second region adjacent to the first region and having a second light-emitting region where the second light-emitting elements are disposed and a second non-light-emitting region, an encapsulation layer disposed on the base substrate, a first light-blocking pattern not overlapping the first region and overlapping the second non-light-emitting region, a cover layer covering the first light-blocking pattern, and a second light-blocking pattern disposed on the cover layer and overlapping the first light-blocking pattern, wherein the thickness of the cover layer may be greater than the thickness of the encapsulatiType: ApplicationFiled: September 14, 2023Publication date: June 27, 2024Inventors: MI-RAN JI, Changwook KIM
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Publication number: 20240188397Abstract: Embodiments provide coating composition and a display device.Type: ApplicationFiled: July 11, 2023Publication date: June 6, 2024Applicant: Samsung Display Co., LTD.Inventors: Heung Shik PARK, El Ly GIL, Mi Ran JI, Beohm Rock CHOI
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Publication number: 20240016026Abstract: A display device includes an organic light emitting display panel defining a display area for displaying an image and a non-display area adjacent the display area, and including a base layer, a circuit layer on the base layer, a light emitting device layer on the circuit layer, and a thin film sealing layer on the light emitting device layer and divided into a first thin film sealing area, and a second thin film sealing area adjacent the first thin film sealing area, and a touch detection unit including a first sensor part on the first thin film sealing area of the thin film sealing layer, and a second sensor part on the second thin film sealing area of the thin film sealing layer, wherein an upper surface of the thin film sealing layer that faces the touch detection unit includes a first upper surface in the first thin film sealing area, and a second upper surface in the second thin film sealing area and protruding away from the base layer.Type: ApplicationFiled: September 22, 2023Publication date: January 11, 2024Inventors: Sanghyun JUN, Kiho BANG, Eunae JUNG, Keunlim KU, Mi-ran JI
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Patent number: 11770963Abstract: A display device includes an organic light emitting display panel defining a display area for displaying an image and a non-display area adjacent the display area, and including a base layer, a circuit layer on the base layer, a light emitting device layer on the circuit layer, and a thin film sealing layer on the light emitting device layer and divided into a first thin film sealing area, and a second thin film sealing area adjacent the first thin film sealing area, and a touch detection unit including a first sensor part on the first thin film sealing area of the thin film sealing layer, and a second sensor part on the second thin film sealing area of the thin film sealing layer, wherein an upper surface of the thin film sealing layer that faces the touch detection unit includes a first upper surface in the first thin film sealing area, and a second upper surface in the second thin film sealing area and protruding away from the base layer.Type: GrantFiled: May 26, 2022Date of Patent: September 26, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sanghyun Jun, Kiho Bang, Eunae Jung, Keunlim Ku, Mi-ran Ji
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Publication number: 20230298536Abstract: A display device includes a substrate, a pixel emitting light, a light blocking layer blocking light, a first pixel row comprising a first pixel group and a second pixel group in a first direction in a plan view, and a second pixel row in a second direction that intersects the first direction and comprising a third pixel group and a fourth pixel group in the first direction. The first pixel group includes a first sub-pixel, a second sub-pixel in a third direction from the first sub-pixel, the third direction intersecting the first direction, and a third sub-pixel in the first direction from the first sub-pixel. The third pixel group may include a sixth sub-pixel, a seventh sub-pixel in the third direction from the sixth sub-pixel, and an eighth sub-pixel in the first direction from the sixth sub-pixel. The third pixel group may be surrounded by the light blocking layer.Type: ApplicationFiled: November 7, 2022Publication date: September 21, 2023Applicant: Samsung Display Co., LTD.Inventors: Chang Wook KIM, Chi Wook AN, Gun Woo KO, Soon Il JUNG, Mi Ran JI
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Publication number: 20220293690Abstract: A display device includes an organic light emitting display panel defining a display area for displaying an image and a non-display area adjacent the display area, and including a base layer, a circuit layer on the base layer, a light emitting device layer on the circuit layer, and a thin film sealing layer on the light emitting device layer and divided into a first thin film sealing area, and a second thin film sealing area adjacent the first thin film sealing area, and a touch detection unit including a first sensor part on the first thin film sealing area of the thin film sealing layer, and a second sensor part on the second thin film sealing area of the thin film sealing layer, wherein an upper surface of the thin film sealing layer that faces the touch detection unit includes a first upper surface in the first thin film sealing area, and a second upper surface in the second thin film sealing area and protruding away from the base layer.Type: ApplicationFiled: May 26, 2022Publication date: September 15, 2022Inventors: Sanghyun JUN, Kiho BANG, Eunae JUNG, Keunlim KU, Mi-ran JI
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Publication number: 20220173362Abstract: A display device includes a substrate having a light emission area, a light emitting element layer including a light emitting element on the light emission area, and an sensing layer on the light emitting element layer and including a sensing electrode having a first opening overlapping the light emission area, a first refraction layer directly on the sensing electrode and having a second opening overlapping the light emission area, and a second refraction layer on the light emitting element layer and the first refraction layer, a first optical refractive index of the first refraction layer being less than a second optical refraction index of the second refraction layer.Type: ApplicationFiled: February 18, 2022Publication date: June 2, 2022Inventors: Hyeong Jun KIM, Ji Ryun PARK, Chi Wook AN, Mi Ran JI
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Patent number: 11348980Abstract: A display device includes an organic light emitting display panel defining a display area for displaying an image and a non-display area adjacent the display area, and including a base layer, a circuit layer on the base layer, a light emitting device layer on the circuit layer, and a thin film sealing layer on the light emitting device layer and divided into a first thin film sealing area, and a second thin film sealing area adjacent the first thin film sealing area, and a touch detection unit including a first sensor part on the first thin film sealing area of the thin film sealing layer, and a second sensor part on the second thin film sealing area of the thin film sealing layer, wherein an upper surface of the thin film sealing layer that faces the touch detection unit includes a first upper surface in the first thin film sealing area, and a second upper surface in the second thin film sealing area and protruding away from the base layer.Type: GrantFiled: January 22, 2021Date of Patent: May 31, 2022Assignee: Samsung Display Co., Ltd.Inventors: Sanghyun Jun, Kiho Bang, Eunae Jung, Keunlim Ku, Mi-ran Ji
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Publication number: 20220115445Abstract: An electronic device includes a base layer that is divided into an active area and a peripheral area adjacent to the active area. A circuit layer is disposed on the base layer. A display element layer is disposed on the circuit layer and corresponds to the active area. A sensor layer is disposed on the display element layer. A filter layer is disposed on the sensor layer and corresponds to the active area. The filter layer includes a light blocking part and a color filter part. A protection layer is disposed on the circuit layer and corresponds to the peripheral area. The protection layer includes a color protection part or a light blocking protection part.Type: ApplicationFiled: June 21, 2021Publication date: April 14, 2022Inventors: MI-RAN JI, HYEONBUM LEE
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Patent number: 11258049Abstract: A display device includes a substrate having a light emission area, a light emitting element layer including a light emitting element on the light emission area, and an sensing layer on the light emitting element layer and including a sensing electrode having a first opening overlapping the light emission area, a first refraction layer directly on the sensing electrode and having a second opening overlapping the light emission area, and a second refraction layer on the light emitting element layer and the first refraction layer, a first optical refractive index of the first refraction layer being less than a second optical refraction index of the second refraction layer.Type: GrantFiled: March 10, 2020Date of Patent: February 22, 2022Assignee: Samsung Display Co., Ltd.Inventors: Hyeong Jun Kim, Ji Ryun Park, Chi Wook An, Mi Ran Ji
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Publication number: 20210328107Abstract: A light emitting display device includes a substrate including a display area and a non-display area adjacent to the display area; a lower pad electrode on the substrate in the non-display area; a planarization layer overlapping the lower electrode; an upper pad electrode on the lower pad electrode and overlapping at least a portion of the lower planarization layer. The planarization layer includes an opening exposing an upper surface of the lower pad electrode, the lower pad electrode and the upper pad electrode are electrically connected to each other through the opening, the lower planarization layer includes an exposed portion exposing an upper surface of the lower planarization layer, and an overlapping portion overlapping at least a portion of the upper pad electrode, and a height of the upper surface of the exposed portion is lower than a height of an upper surface of the overlapping portion.Type: ApplicationFiled: December 7, 2020Publication date: October 21, 2021Applicant: Samsung Display Co., LTD.Inventors: Chi Wook AN, Seong Min CHO, Mi-Ran JI, Chan Young KIM, Yeong Ho LEE
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Publication number: 20210143226Abstract: A display device includes an organic light emitting display panel defining a display area for displaying an image and a non-display area adjacent the display area, and including a base layer, a circuit layer on the base layer, a light emitting device layer on the circuit layer, and a thin film sealing layer on the light emitting device layer and divided into a first thin film sealing area, and a second thin film sealing area adjacent the first thin film sealing area, and a touch detection unit including a first sensor part on the first thin film sealing area of the thin film sealing layer, and a second sensor part on the second thin film sealing area of the thin film sealing layer, wherein an upper surface of the thin film sealing layer that faces the touch detection unit includes a first upper surface in the first thin film sealing area, and a second upper surface in the second thin film sealing area and protruding away from the base layer.Type: ApplicationFiled: January 22, 2021Publication date: May 13, 2021Inventors: Sanghyun Jun, Kiho Bang, Eunae Jung, Keunlim Ku, Mi-ran Ji
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Patent number: 10930714Abstract: A display device includes an organic light emitting display panel defining a display area for displaying an image and a non-display area adjacent the display area, and including a base layer, a circuit layer on the base layer, a light emitting device layer on the circuit layer, and a thin film sealing layer on the light emitting device layer and divided into a first thin film sealing area, and a second thin film sealing area adjacent the first thin film sealing area, and a touch detection unit including a first sensor part on the first thin film sealing area of the thin film sealing layer, and a second sensor part on the second thin film sealing area of the thin film sealing layer, wherein an upper surface of the thin film sealing layer that faces the touch detection unit includes a first upper surface in the first thin film sealing area, and a second upper surface in the second thin film sealing area and protruding away from the base layer.Type: GrantFiled: April 1, 2019Date of Patent: February 23, 2021Assignee: Samsung Display Co., Ltd.Inventors: Sanghyun Jun, Kiho Bang, Eunae Jung, Keunlim Ku, Mi-ran Ji
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Publication number: 20210005845Abstract: A display device includes a substrate having a light emission area, a light emitting element layer including a light emitting element on the light emission area, and an sensing layer on the light emitting element layer and including a sensing electrode having a first opening overlapping the light emission area, a first refraction layer directly on the sensing electrode and having a second opening overlapping the light emission area, and a second refraction layer on the light emitting element layer and the first refraction layer, a first optical refractive index of the first refraction layer being less than a second optical refraction index of the second refraction layer.Type: ApplicationFiled: March 10, 2020Publication date: January 7, 2021Inventors: Hyeong Jun KIM, Ji Ryun PARK, Chi Wook AN, Mi Ran JI
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Publication number: 20190229156Abstract: A display device includes an organic light emitting display panel defining a display area for displaying an image and a non-display area adjacent the display area, and including a base layer, a circuit layer on the base layer, a light emitting device layer on the circuit layer, and a thin film sealing layer on the light emitting device layer and divided into a first thin film sealing area, and a second thin film sealing area adjacent the first thin film sealing area, and a touch detection unit including a first sensor part on the first thin film sealing area of the thin film sealing layer, and a second sensor part on the second thin film sealing area of the thin film sealing layer, wherein an upper surface of the thin film sealing layer that faces the touch detection unit includes a first upper surface in the first thin film sealing area, and a second upper surface in the second thin film sealing area and protruding away from the base layer.Type: ApplicationFiled: April 1, 2019Publication date: July 25, 2019Inventors: Sanghyun Jun, Kiho Bang, Eunae Jung, Keunlim Ku, Mi-ran Ji