Patents by Inventor Hee Ra KIM
Hee Ra 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: 11805683Abstract: A display device including a partition wall disposed on a substrate between a first electrode and a second electrode. The partition wall has an opening. A light emitting layer is disposed in the opening. An auxiliary layer having lyophobicity is disposed between the partition wall and the second electrode.Type: GrantFiled: December 8, 2021Date of Patent: October 31, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyung Guen Yoon, Suk Hoon Kang, Hee Ra Kim, Su Ji Park, Beom-Soo Shin, Hong Yeon Lee
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Patent number: 11621305Abstract: A display device includes a first display substrate and a second display substrate. The first display substrate includes a first base, a first electrode disposed on the first base, a second electrode spaced apart from the first electrode, and a light emitting element disposed between the first electrode and the second electrode. The second display substrate faces the first display substrate and is configured to receive light emitted from the light emitting element. The second display substrate includes a second base, a first color filter disposed on a surface of the second base, and a first wavelength conversion pattern disposed on the first color filter. The first wavelength conversion pattern includes a first surface facing the first display substrate, and a second surface facing the first surface and the first color filter. The first surface includes a curved surface portion recessed toward the second surface.Type: GrantFiled: June 18, 2020Date of Patent: April 4, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sang Jin Park, Hyun Ae Kim, Hee Ra Kim, Ha Na Seo, Chong Sup Chang, Eui Kang Heo
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Publication number: 20220262880Abstract: A display device includes a bank including an opening exposing a surface of a base. The bank further includes side surfaces adjacent to an upper surface. The side surfaces slope downward from the upper surface toward an opening in an organic film pattern. A plurality of fine holes is formed on the upper surface and the side surfaces, the bank may also include a plurality of inner holes.Type: ApplicationFiled: May 5, 2022Publication date: August 18, 2022Inventors: Myung Hwan KIM, Suk Hoon KANG, Min Jae KIM, Hee Ra KIM, Beom Soo SHIN, Hong Yeon LEE, Baek Kyun JEON
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Patent number: 11335747Abstract: A display device includes a bank including an opening exposing a surface of a base. The bank further includes side surfaces adjacent to an upper surface. The side surfaces slope downward from the upper surface toward an opening in an organic film pattern. A plurality of fine holes is formed on the upper surface and the side surfaces, the bank may also include a plurality of inner holes.Type: GrantFiled: July 1, 2020Date of Patent: May 17, 2022Assignee: Samsung Display Co., Ltd.Inventors: Myung Hwan Kim, Suk Hoon Kang, Min Jae Kim, Hee Ra Kim, Beom Soo Shin, Hong Yeon Lee, Baek Kyun Jeon
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Publication number: 20220140025Abstract: A display device including a partition wall disposed on a substrate between a first electrode and a second electrode. The partition wall has an opening. A light emitting layer is disposed in the opening. An auxiliary layer having lyophobicity is disposed between the partition wall and the second electrode.Type: ApplicationFiled: December 8, 2021Publication date: May 5, 2022Inventors: Hyung Guen YOON, Suk Hoon KANG, Hee Ra KIM, Su Ji PARK, Beom-Soo SHIN, Hong Yeon LEE
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Patent number: 11239294Abstract: A display device including a partition wall disposed on a substrate between a first electrode and a second electrode. The partition wall has an opening. A light emitting layer is disposed in the opening. An auxiliary layer having lyophobicity is disposed between the partition wall and the second electrode.Type: GrantFiled: November 27, 2019Date of Patent: February 1, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyung Guen Yoon, Suk Hoon Kang, Hee Ra Kim, Su Ji Park, Beom-Soo Shin, Hong Yeon Lee
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Patent number: 11171187Abstract: A display device may include a substrate, a thin film transistor, a first electrode, a second electrode, and a barrier. The thin film transistor is disposed on the substrate. The first electrode is electrically connected to the thin film transistor. The second electrode overlaps the first electrode. The barrier has a first portion and a second portion. The second portion is disposed between the first portion and the second electrode and is fluorine-doped. A side surface of the first portion is part of a boundary of an opening of the barrier and is hydrophilic. The opening of the barrier is disposed between the first electrode and the second electrode.Type: GrantFiled: August 14, 2018Date of Patent: November 9, 2021Inventors: Beom-Soo Shin, Suk Hoon Kang, Min-Jae Kim, Hee Ra Kim, Hong Yeon Lee
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Publication number: 20210074769Abstract: A display device includes a first display substrate and a second display substrate. The first display substrate includes a first base, a first electrode disposed on the first base, a second electrode spaced apart from the first electrode, and a light emitting element disposed between the first electrode and the second electrode. The second display substrate faces the first display substrate and is configured to receive light emitted from the light emitting element. The second display substrate includes a second base, a first color filter disposed on a surface of the second base, and a first wavelength conversion pattern disposed on the first color filter. The first wavelength conversion pattern includes a first surface facing the first display substrate, and a second surface facing the first surface and the first color filter. The first surface includes a curved surface portion recessed toward the second surface.Type: ApplicationFiled: June 18, 2020Publication date: March 11, 2021Inventors: Sang Jin PARK, Hyun Ae KIM, Hee Ra KIM, Ha Na SEO, Chong Sup CHANG, Eui Kang HEO
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Publication number: 20200335563Abstract: A display device includes a bank including an opening exposing a surface of a base. The bank further includes side surfaces adjacent to an upper surface. The side surfaces slope downward from the upper surface toward an opening in an organic film pattern. A plurality of fine holes is formed on the upper surface and the side surfaces, the bank may also include a plurality of inner holes.Type: ApplicationFiled: July 1, 2020Publication date: October 22, 2020Inventors: Myung Hwan KIM, Suk Hoon KANG, Min Jae KIM, Hee Ra KIM, Beom Soo SHIN, Hong Yeon LEE, Baek Kyun JEON
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Patent number: 10770523Abstract: A display device includes a bank including an opening exposing a surface of a base. The bank further includes side surfaces adjacent to an upper surface. The side surfaces slope downward from the upper surface toward an opening in an organic film pattern. A plurality of fine holes are formed on the upper surface and the side surfaces, the bank may also include a plurality of inner holes.Type: GrantFiled: January 11, 2018Date of Patent: September 8, 2020Assignee: Samsung Display Co., Ltd.Inventors: Myung Hwan Kim, Suk Hoon Kang, Min Jae Kim, Hee Ra Kim, Beom Soo Shin, Hong Yeon Lee, Baek Kyun Jeon
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Publication number: 20200168678Abstract: A display device including a partition wall disposed on a substrate between a first electrode and a second electrode. The partition wall has an opening. A light emitting layer is disposed in the opening. An auxiliary layer having lyophobicity is disposed between the partition wall and the second electrode.Type: ApplicationFiled: November 27, 2019Publication date: May 28, 2020Inventors: Hyung Guen YOON, Suk Hoon KANG, Hee Ra KIM, Su Ji PARK, Beom-Soo SHIN, Hong Yeon LEE
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Publication number: 20190229162Abstract: A display device may include a substrate, a thin film transistor, a first electrode, a second electrode, and a barrier. The thin film transistor is disposed on the substrate. The first electrode is electrically connected to the thin film transistor. The second electrode overlaps the first electrode. The barrier has a first portion and a second portion. The second portion is disposed between the first portion and the second electrode and is fluorine-doped. A side surface of the first portion is part of a boundary of an opening of the barrier and is hydrophilic. The opening of the barrier is disposed between the first electrode and the second electrode.Type: ApplicationFiled: August 14, 2018Publication date: July 25, 2019Inventors: Beom-Soo SHIN, Suk Hoon KANG, Min-Jae KIM, Hee Ra KIM, Hong Yeon LEE
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Patent number: 10216046Abstract: A liquid crystal display device is provided. A liquid crystal display device comprising: a first substrate and a second substrate opposed to the first substrate; a liquid crystal layer interposed between the first substrate and the second substrate; a lower layer disposed on the first substrate and including at least one contact hole; and a spacer portion disposed on the lower layer, wherein the spacer portion includes a main spacer not overlapping the contact hole and an auxiliary spacer overlapping at least a portion of the contact hole, and a distance between the main spacer and the second substrate is smaller than a distance between the auxiliary spacer and the second substrate.Type: GrantFiled: March 31, 2015Date of Patent: February 26, 2019Assignee: Samsung Display Co., Ltd.Inventors: Nu Ree Um, Min Jung Kang, Hee Ra Kim, Sang Hun Lee
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Publication number: 20190013371Abstract: A display device includes a bank including an opening exposing a surface of a base. The bank further includes side surfaces adjacent to an upper surface. The side surfaces slope downward from the upper surface toward an opening in an organic film pattern. A plurality of fine holes are formed on the upper surface and the side surfaces, the bank may also include a plurality of inner holes.Type: ApplicationFiled: January 11, 2018Publication date: January 10, 2019Inventors: Myung Hwan KIM, Suk Hoon KANG, Min Jae KIM, Hee Ra KIM, Beom Soo SHIN, Hong Yeon LEE, Baek Kyun JEON
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Patent number: 9904119Abstract: A display device includes: a first substrate; a second substrate disposed opposite to the first substrate; a light blocking pattern disposed on the first substrate; and a column spacer which is disposed on the first substrate and maintains a distance between the first substrate and the second substrate, where the light blocking pattern and the column spacer are spaced apart from each other, and the column spacer has an island shape surrounded by the light blocking pattern.Type: GrantFiled: January 6, 2016Date of Patent: February 27, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yi Seop Shim, E Su Kim, Hee Ra Kim, Jun Woo Lee, Chang Soon Jang, Chul Huh
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Patent number: 9835906Abstract: A liquid crystal display according to an exemplary embodiment of the present inventive concept includes: a first insulating substrate; a thin film transistor disposed on the first insulating substrate; a light blocking member disposed on the thin film transistor; and a spacer disposed on the light blocking member, wherein the spacer includes a main column spacer and a sub column spacer, and the sub column spacer is disposed between the main column spacer and has a stripe shape which extends in parallel to a gate line of the thin film transistor.Type: GrantFiled: May 13, 2015Date of Patent: December 5, 2017Assignee: Samsung Display Co., Ltd.Inventors: Yi Seop Shim, Hee Ra Kim, Chang Soon Jang, Chul Huh
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Patent number: 9658498Abstract: A liquid crystal display is provided. The liquid crystal display includes a first substrate, and a first electrode and a second electrode formed overlapping with each other on the first substrate, wherein a first insulating layer is disposed between the first electrode and the second electrode. The liquid crystal display further includes a light blocking member formed on the second electrode, a first spacer and a second spacer formed on the light blocking member, and a second substrate facing the first substrate.Type: GrantFiled: September 12, 2014Date of Patent: May 23, 2017Assignee: Samsung Display Co., Ltd.Inventors: Yi Seop Shim, Chang Hun Kwak, Hee Ra Kim, Chang-Soon Jang, Chul Huh
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Patent number: 9618801Abstract: Exemplary embodiments relate to a display device, an optical mask, and a method for manufacturing a display device using the same. The display device including: a first substrate and a second substrate facing the first substrate; a thin film transistor disposed on the first substrate; a first insulating layer disposed on the thin film transistor; and a light blocking member disposed on the first insulating layer. The light blocking member includes a spacer for maintaining a cell gap between the first substrate and the second substrate and a main light blocking portion having an upper surface that is lower than an upper surface of the spacer, and the light blocking member further includes a furrow at a border between the spacer and the main light blocking portion, the furrow having a surface lower than the upper surface of the main light blocking portion.Type: GrantFiled: September 17, 2015Date of Patent: April 11, 2017Assignee: Samsung Display Co., Ltd.Inventors: Chang-Soon Jang, Hee Ra Kim, Yi Seop Shim, Chul Huh
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Publication number: 20170010496Abstract: A display device includes: a first substrate; a second substrate disposed opposite to the first substrate; a light blocking pattern disposed on the first substrate; and a column spacer which is disposed on the first substrate and maintains a distance between the first substrate and the second substrate, where the light blocking pattern and the column spacer are spaced apart from each other, and the column spacer has an island shape surrounded by the light blocking pattern.Type: ApplicationFiled: January 6, 2016Publication date: January 12, 2017Inventors: Yi Seop SHIM, E Su KIM, Hee Ra KIM, Jun Woo LEE, Chang Soon JANG, Chul HUH
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Publication number: 20160274402Abstract: Exemplary embodiments relate to a display device, an optical mask, and a method for manufacturing a display device using the same. The display device including: a first substrate and a second substrate facing the first substrate; a thin film transistor disposed on the first substrate; a first insulating layer disposed on the thin film transistor; and a light blocking member disposed on the first insulating layer. The light blocking member includes a spacer for maintaining a cell gap between the first substrate and the second substrate and a main light blocking portion having an upper surface that is lower than an upper surface of the spacer, and the light blocking member further includes a furrow at a border between the spacer and the main light blocking portion, the furrow having a surface lower than the upper surface of the main light blocking portion.Type: ApplicationFiled: September 17, 2015Publication date: September 22, 2016Inventors: Chang-Soon JANG, Hee Ra Kim, Yi Seop SHIM, Chul HUH