Patents by Inventor Chang Ok KIM
Chang Ok 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: 20240414957Abstract: A display device includes a base substrate including a display area and a non-display area around the display area are defined, a first interlayer insulating layer disposed on the base substrate, a second interlayer insulating layer disposed on the first interlayer insulating layer, a first semiconductor layer disposed on the second interlayer insulating layer and including an oxide, and a first gate insulating layer disposed on the first semiconductor layer, wherein the material of the first interlayer insulating layer and the material of the second interlayer insulating layer are different from each other. Methods of manufacturing a display device are also disclosed.Type: ApplicationFiled: August 19, 2024Publication date: December 12, 2024Applicant: Samsung Display Co., LTD.Inventors: Ji Hye HAN, Chul Min BAE, Chang Ok KIM
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Publication number: 20240309036Abstract: Provided is a composition including a pentagalloyl glucose derivative and a phenol compound as active ingredients, the composition according to an aspect may not only be used for anti-cancer and anti-diabetic purposes without using additional additives, but also may be useful as an anti-diabetic drug for cancer patients, or an anti-cancer drug for diabetic patients.Type: ApplicationFiled: October 24, 2022Publication date: September 19, 2024Applicant: GENTRIBIO INC.Inventors: Chang Keun Yoon, Hong Gyum Kim, Myoung Ok Kim
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Patent number: 12082451Abstract: A display device includes a base substrate including a display area and a non-display area around the display area are defined, a first interlayer insulating layer disposed on the base substrate, a second interlayer insulating layer disposed on the first interlayer insulating layer, a first semiconductor layer disposed on the second interlayer insulating layer and including an oxide, and a first gate insulating layer disposed on the first semiconductor layer, wherein the material of the first interlayer insulating layer and the material of the second interlayer insulating layer are different from each other. Methods of manufacturing a display device are also disclosed.Type: GrantFiled: November 21, 2022Date of Patent: September 3, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ji Hye Han, Chul Min Bae, Chang Ok Kim
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Publication number: 20230086507Abstract: A display device includes a base substrate including a display area and a non-display area around the display area are defined, a first interlayer insulating layer disposed on the base substrate, a second interlayer insulating layer disposed on the first interlayer insulating layer, a first semiconductor layer disposed on the second interlayer insulating layer and including an oxide, and a first gate insulating layer disposed on the first semiconductor layer, wherein the material of the first interlayer insulating layer and the material of the second interlayer insulating layer are different from each other. Methods of manufacturing a display device are also disclosed.Type: ApplicationFiled: November 21, 2022Publication date: March 23, 2023Applicant: Samsung Display Co., LTD.Inventors: Ji Hye HAN, Chul Min BAE, Chang Ok KIM
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Patent number: 11532682Abstract: A display device includes a base substrate including a display area and a non-display area around the display area are defined, a first interlayer insulating layer disposed on the base substrate, a second interlayer insulating layer disposed on the first interlayer insulating layer, a first semiconductor layer disposed on the second interlayer insulating layer and including an oxide, and a first gate insulating layer disposed on the first semiconductor layer, wherein the material of the first interlayer insulating layer and the material of the second interlayer insulating layer are different from each other. Methods of manufacturing a display device are also disclosed.Type: GrantFiled: May 20, 2020Date of Patent: December 20, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ji Hye Han, Chul Min Bae, Chang Ok Kim
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Patent number: 11346992Abstract: A light unit including: a light source; and an optical member that transmits and converts light emitted from the light source, wherein the optical member includes: a light guide; a low refractive index layer that is disposed on the light guide and has a lower refractive index than that of the light guide; a first capping layer that is disposed on the low refractive index layer; and a wavelength conversion layer that is disposed on the first capping layer and includes quantum dots, and the light guide includes a transparent metal oxide.Type: GrantFiled: December 15, 2019Date of Patent: May 31, 2022Assignee: Samsung Display Co., Ltd.Inventors: Chang Ok Kim, Chui Min Bae, Ji Hye Han, Tae Wook Kang, Yong Seok Kim, Shin Il Choi
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Publication number: 20210104588Abstract: A display device includes a base substrate including a display area and a non-display area around the display area are defined, a first interlayer insulating layer disposed on the base substrate, a second interlayer insulating layer disposed on the first interlayer insulating layer, a first semiconductor layer disposed on the second interlayer insulating layer and including an oxide, and a first gate insulating layer disposed on the first semiconductor layer, wherein the material of the first interlayer insulating layer and the material of the second interlayer insulating layer are different from each other. Methods of manufacturing a display device are also disclosed.Type: ApplicationFiled: May 20, 2020Publication date: April 8, 2021Applicant: Samsung Display Co., LTD.Inventors: Ji Hye HAN, Chul Min BAE, Chang Ok KIM
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Patent number: 10950669Abstract: A display device includes a light-emitting element, a thin film encapsulation layer disposed on the light-emitting element, a protection layer disposed on the thin film encapsulation layer, a first sensing electrode disposed on the protection layer, an insulating layer disposed on the first sensing electrode, and a second sensing electrode disposed on the insulating layer, in which at least one of the thin film encapsulation layer and the insulating layer has a multi-layer structure including first and second alternating layers forming at least three layers, and the first layer includes a first material having a first refractive index and the second layer includes a second material having a second refractive index different from the first refractive index.Type: GrantFiled: October 16, 2018Date of Patent: March 16, 2021Assignee: Samsung Display Co., Ltd.Inventors: Sang Wook Lee, Chang Ok Kim, Heon Sik Ha
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Patent number: 10802200Abstract: A backlight unit may include a light source, a light guide plate neighboring the light source, a low refractive index layer disposed on the light guide plate, a blocking layer disposed on the low refractive index layer, and a wavelength conversion layer disposed on the blocking layer and including quantum dots. A refractive index of the low refractive index layer may be less than a refractive index of the light guide plate.Type: GrantFiled: August 8, 2019Date of Patent: October 13, 2020Assignee: Samsung Display Co., Ltd.Inventors: Chang Ok Kim, Chul Min Bae, Ji Hye Han, Junghwan Yi, Shin Il Choi
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Patent number: 10739895Abstract: A display device includes a display part that displays an image, a touch part on the display part, the touch part including a first conductive layer on the display part, a lower inorganic layer on the first conductive layer, an upper inorganic layer covering the lower inorganic layer and a second conductive layer on the upper inorganic layer. The upper inorganic layer includes substantially a same material as the lower inorganic layer. The upper inorganic layer has a hydrogen atomic percent less than a hydrogen atomic percent of the lower inorganic layer.Type: GrantFiled: August 28, 2019Date of Patent: August 11, 2020Assignee: Samsung Display Co., Ltd.Inventors: Sangwook Lee, Chang Ok Kim, SungHoon Yang, Junmo Im
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Publication number: 20200233136Abstract: A light unit including: a light source; and an optical member that transmits and converts light emitted from the light source, wherein the optical member includes: a light guide; a low refractive index layer that is disposed on the light guide and has a lower refractive index than that of the light guide; a first capping layer that is disposed on the low refractive index layer; and a wavelength conversion layer that is disposed on the first capping layer and includes quantum dots, and the light guide includes a transparent metal oxide.Type: ApplicationFiled: December 15, 2019Publication date: July 23, 2020Inventors: Chang Ok KIM, Chul Min BAE, Ji Hye HAN, Tae Wook KANG, Yong Seok KIM, Shin Il CHOI
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Publication number: 20200073039Abstract: A backlight unit may include a light source, a light guide plate neighboring the light source, a low refractive index layer disposed on the light guide plate, a blocking layer disposed on the low refractive index layer, and a wavelength conversion layer disposed on the blocking layer and including quantum dots. A refractive index of the low refractive index layer may be less than a refractive index of the light guide plate.Type: ApplicationFiled: August 8, 2019Publication date: March 5, 2020Inventors: Chang Ok KIM, Chul Min BAE, Ji Hye HAN, Junghwan YI, Shin Il CHOI
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Publication number: 20190391693Abstract: A display device includes a display part that displays an image, a touch part on the display part, the touch part including a first conductive layer on the display part, a lower inorganic layer on the first conductive layer, an upper inorganic layer covering the lower inorganic layer and a second conductive layer on the upper inorganic layer. The upper inorganic layer includes substantially a same material as the lower inorganic layer. The upper inorganic layer has a hydrogen atomic percent less than a hydrogen atomic percent of the lower inorganic layer.Type: ApplicationFiled: August 28, 2019Publication date: December 26, 2019Inventors: Sangwook Lee, Chang Ok Kim, SungHoon Yang, Junmo Im
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Patent number: 10444884Abstract: A display device includes a display part that displays an image, a touch part on the display part, the touch part including a first conductive layer on the display part, a lower inorganic layer on the first conductive layer, an upper inorganic layer covering the lower inorganic layer and a second conductive layer on the upper inorganic layer. The upper inorganic layer includes substantially a same material as the lower inorganic layer. The upper inorganic layer has a hydrogen atomic percent less than a hydrogen atomic percent of the lower inorganic layer.Type: GrantFiled: February 6, 2018Date of Patent: October 15, 2019Assignee: Samsung Display Co., Ltd.Inventors: Sangwook Lee, Chang Ok Kim, SungHoon Yang, Junmo Im
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Publication number: 20190115395Abstract: A display device includes a light-emitting element, a thin film encapsulation layer disposed on the light-emitting element, a protection layer disposed on the thin film encapsulation layer, a first sensing electrode disposed on the protection layer, an insulating layer disposed on the first sensing electrode, and a second sensing electrode disposed on the insulating layer, in which at least one of the thin film encapsulation layer and the insulating layer has a multi-layer structure including first and second alternating layers forming at least three layers, and the first layer includes a first material having a first refractive index and the second layer includes a second material having a second refractive index different from the first refractive index.Type: ApplicationFiled: October 16, 2018Publication date: April 18, 2019Inventors: Sang Wook LEE, Chang Ok KIM, Heon Sik Ha
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Publication number: 20180164934Abstract: A display device includes a display part that displays an image, a touch part on the display part, the touch part including a first conductive layer on the display part, a lower inorganic layer on the first conductive layer, an upper inorganic layer covering the lower inorganic layer and a second conductive layer on the upper inorganic layer. The upper inorganic layer includes substantially a same material as the lower inorganic layer. The upper inorganic layer has a hydrogen atomic percent less than a hydrogen atomic percent of the lower inorganic layer.Type: ApplicationFiled: February 6, 2018Publication date: June 14, 2018Inventors: Sangwook LEE, Chang Ok KIM, SungHoon YANG, Junmo IM
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Patent number: 9927896Abstract: A display device includes a display part that displays an image, a touch part on the display part, the touch part including a first conductive layer on the display part, a lower inorganic layer on the first conductive layer, an upper inorganic layer covering the lower inorganic layer and a second conductive layer on the upper inorganic layer. The upper inorganic layer includes substantially a same material as the lower inorganic layer. The upper inorganic layer has a hydrogen atomic percent less than a hydrogen atomic percent of the lower inorganic layer.Type: GrantFiled: September 16, 2015Date of Patent: March 27, 2018Assignee: Samsung Display Co., Ltd.Inventors: Sangwook Lee, Chang Ok Kim, SungHoon Yang, Junmo Im
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Patent number: 9620613Abstract: An organic light emitting display device includes a substrate, a first transistor disposed on the substrate in the opaque region, a second transistor disposed on the substrate in the opaque region, the second transistor being adjacent to the first transistor along a first direction, and a capacitor disposed on the substrate in the opaque region, the capacitor being adjacent to the first transistor along a second direction different from the first direction. Here, the capacitor may include a first capacitor electrode, a dielectric structure including silicon oxynitride and a second capacitor electrode.Type: GrantFiled: May 26, 2015Date of Patent: April 11, 2017Assignee: Samsung Display Co., Ltd.Inventors: Sang-Ho Park, Jae-Hyuk Jang, Chang-Ok Kim, Joo-Sun Yoon, Yong-Jae Jang
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Patent number: 9417371Abstract: A manufacturing method of a reflective polarizer includes forming a metal layer on a first substrate; forming a mask layer divided into an opening area and a non-opening area on the metal layer, and having grooves patterned in the opening area, the groove exposing the metal layer; increasing hydrophobicity of a surface by treating the mask layer using a silane coupling agent; inducing phase separation of a hydrophilic component and a hydrophobic component of a block copolymer after filling the grooves of the mask layer with the block copolymer; selectively removing the hydrophilic component or the hydrophobic component block copolymer of the block copolymer; and etching the metal layer using the block copolymer as a mask.Type: GrantFiled: July 8, 2015Date of Patent: August 16, 2016Assignee: Samsung Display Co., Ltd.Inventors: Chang Ok Kim, Sung Hoon Yang
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Publication number: 20160223872Abstract: A liquid crystal display device includes a substrate; a gate line and a data line positioned on the substrate; a thin film transistor connected to the gate line and the data line; a passivation layer positioned on the gate line, the data line, and the thin film transistor; a first electrode positioned on the passivation layer; an interlayer insulating layer positioned on the first electrode; and a second electrode positioned on the interlayer insulating layer, wherein the first electrode includes a first layer made of an indium-zinc oxide in which a weight ratio of an indium oxide is 20 wt % or less or made of a transparent metal oxide that does not contain an indium oxide.Type: ApplicationFiled: July 24, 2015Publication date: August 4, 2016Inventors: Woo-Seok JEON, Sung Hoon YANG, Chang Ok KIM, Jung Yun JO