Patents by Inventor Seung-Yeon CHAE
Seung-Yeon CHAE 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: 20160209693Abstract: A display device may include a substrate, a roof layer, a pixel electrode, a liquid crystal layer, and a support member. The roof layer may overlap the substrate. The pixel electrode may be positioned between the roof layer and the substrate. The liquid crystal layer may be positioned between the roof layer and the pixel electrode and may include a first liquid crystal portion and a second liquid crystal portion. The first liquid crystal portion may be smaller than the second liquid crystal portion. The support member may be positioned between the roof layer and the substrate and may be positioned between the first liquid crystal portion and the second liquid crystal portion.Type: ApplicationFiled: October 12, 2015Publication date: July 21, 2016Inventors: Si Kwang KIM, Tae Woon CHA, Seung-Yeon CHAE
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Publication number: 20160202511Abstract: A display device that allows for stable injection of an aligning material or a liquid crystal material is presented. The display device includes: a substrate; thin film transistors disposed on the substrate; pixel electrodes connected to the thin film transistors; a roof layer disposed on the pixel electrodes to be spaced apart from the pixel electrodes with a plurality of microcavities therebetween; a liquid crystal layer disposed in the microcavities; and an encapsulation layer disposed on the roof layer and sealing the microcavities, wherein the roof layer includes ceiling portions covering top surfaces of the microcavities, column portions covering sides of the microcavities, and protruding portions protruding from the column portions.Type: ApplicationFiled: May 13, 2015Publication date: July 14, 2016Inventors: Seung Yeon CHAE, Han Su KIM, Tae Woon CHA
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Publication number: 20160195743Abstract: A liquid crystal display includes a substrate, a thin film transistor disposed on the substrate, a pixel electrode disposed on the thin film transistor and connected to the thin film transistor, an alignment layer disposed on the pixel electrode and within a microcavity having an injection hole, a liquid crystal layer disposed within the microcavity, and a roof layer disposed on the microcavity, the roof layer having an opening.Type: ApplicationFiled: June 23, 2015Publication date: July 7, 2016Inventors: Han Su KIM, Seung-Yeon CHAE, Se Hee HAN
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Publication number: 20160189645Abstract: A display device including a substrate, and pixels disposed on the substrate, each of the pixels including a first sub-pixel and a second sub-pixel, in which the first sub-pixel includes a first cover layer defining a first cavity on the substrate, a first liquid crystal layer disposed in the first cavity, and a first pixel electrode and a first common electrode configured to apply an electric field to the first liquid crystal layer, the second sub-pixel includes a second cover layer defining a second cavity on the substrate, a second liquid crystal layer disposed in the second cavity, and a second pixel electrode and a second common electrode configured to apply an electric field to the second liquid crystal layer, and a first distance between the first pixel electrode and the first common electrode is different from a second distance between the second pixel electrode and the second common electrode.Type: ApplicationFiled: May 11, 2015Publication date: June 30, 2016Inventors: Hyoung Sub LEE, Sung Hee Hong, Joo Young Yoon, Seung-Yeon Chae
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Publication number: 20160170254Abstract: A liquid crystal display (LCD) according to an exemplary embodiment includes: a substrate including a display area and a peripheral area; a thin film transistor disposed on the substrate; a field generating electrode connected to the thin film transistor; a partition wall disposed along the peripheral area; a roof layer facing the field generating electrode; a roof pattern covering the partition wall; and a liquid crystal layer disposed between the field generating electrode and the roof layer and formed as a plurality of microcavities including liquid crystal molecules. The roof layer and the roof pattern are formed of at least one inorganic layer.Type: ApplicationFiled: July 9, 2015Publication date: June 16, 2016Inventors: Seung-Yeon CHAE, Sang Gun CHOI, Han Su KIM, Tae Woon CHA
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Patent number: 9366897Abstract: The present invention provides a display device including a substrate including a plurality of pixel areas, a thin film transistor formed on the substrate, a common electrode and a pixel electrode formed on the thin film transistor, a liquid crystal layer filling a microcavity formed on the common electrode and the pixel electrode, a lower insulating layer formed to be spaced apart from the common electrode and the pixel electrode, a roof layer formed on the lower insulating layer, an intermediate insulating layer formed on the roof layer, a first touch sensing electrode formed on the intermediate insulating layer, an injection hole partially exposing the microcavity formed in the roof layer, the intermediate insulating layer, and the first touch sensing electrode, an overcoat formed on the first touch sensing electrode to cover the injection hole and sealing the microcavity, and a second touch sensing electrode formed on the overcoat.Type: GrantFiled: December 9, 2014Date of Patent: June 14, 2016Assignee: Samsung Display Co., Ltd.Inventors: Sang Gun Choi, Seung-Yeon Chae, Hee-Keun Lee, Tae Woon Cha
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Publication number: 20160147094Abstract: A display device includes: a display substrate including a display area including a plurality of pixel areas and a non-display area at edge sides of the display area; and an aligning agent-accommodating structure including a capping layer disposed in the non-display area to be opened inward of the display substrate. The aligning agent-accommodating structure accommodates an aligning agent applied to the display area.Type: ApplicationFiled: July 6, 2015Publication date: May 26, 2016Inventors: Sang Gun CHOI, Seung-Yeon CHAE, Tae Woon CHA
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Publication number: 20160109746Abstract: A display device includes a substrate including pixel areas, a thin-film transistor disposed on the substrate, a first insulating layer disposed on the thin-film transistor, a pixel electrode disposed on the first insulating layer and connected to the thin-film transistor, a liquid crystal layer filling a microcavity disposed on the pixel electrode, a common electrode spaced apart from the pixel electrode by the microcavity, a roof layer disposed on the common electrode, an injection hole disposed in the common electrode and the roof layer, the injection hole partially exposing the microcavity, a third insulating layer disposed on the roof layer, and an overcoat disposed on the third insulating layer and sealing the microcavity by covering the injection hole, wherein a first convex embossing pattern is formed on an upper surface of the third insulating layer.Type: ApplicationFiled: March 20, 2015Publication date: April 21, 2016Inventors: Hyoung Sub LEE, Seung-Yeon CHAE, Joo Young YOON, Chung Sock CHOI
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Patent number: 9298029Abstract: A display apparatus includes a substrate that includes a plurality of pixel areas, a display area including first and second non-pixel areas extending to cross each other, and a non-display area adjacent to the display area, a plurality of first electrodes on the substrate in the pixel areas, a plurality of second electrodes extending in a first direction and upwardly spaced apart from the substrate in the pixel areas to form first tunnel-shaped cavities, an image display area in each of the first tunnel-shaped cavities, and a plurality of dummy electrodes in first cross areas defined by an intersection of the first and second non-pixel areas adjacent to boundaries of the display area in the first direction. The dummy electrodes are upwardly spaced apart from the substrate in the first cross areas by a predetermined distance to form dummy tunnel-shaped cavities.Type: GrantFiled: July 22, 2014Date of Patent: March 29, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sanggun Choi, Ha-Young Park, Sehee Han, Hansu Kim, Aram Lee, Seung-Yeon Chae, Taewoon Cha
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Publication number: 20160062159Abstract: A display device and a method of manufacturing the display device are provided. Moisture may be prevented from penetrating into the display device. The display device includes a substrate including a pixel area. A thin film transistor is formed on the substrate. A pixel electrode is connected to the thin film transistor and formed in the pixel area. A roof layer is formed on the pixel electrode. The roof layer is separated from the pixel electrode via a microcavity. A liquid crystal layer fills the microcavity. A liquid crystal injection hole is formed in the roof layer and exposes a portion of the microcavity. An encapsulation layer is formed on the roof layer. The encapsulation layer covers the liquid crystal injection hole and seals the microcavity for the pixel area. The encapsulation layer includes a multilayer structure.Type: ApplicationFiled: November 12, 2015Publication date: March 3, 2016Inventors: A Ram Lee, Woo Yong Sung, Tae Gyun Kim, Seung-Yeon Chae, Sang Gun Choi, Tae Woon Cha
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Publication number: 20160011447Abstract: The present invention provides a display device including a substrate including a plurality of pixel areas, a thin film transistor formed on the substrate, a common electrode and a pixel electrode formed on the thin film transistor, a liquid crystal layer filling a microcavity formed on the common electrode and the pixel electrode, a lower insulating layer formed to be spaced apart from the common electrode and the pixel electrode, a roof layer formed on the lower insulating layer, an intermediate insulating layer formed on the roof layer, a first touch sensing electrode formed on the intermediate insulating layer, an injection hole partially exposing the microcavity formed in the roof layer, the intermediate insulating layer, and the first touch sensing electrode, an overcoat formed on the first touch sensing electrode to cover the injection hole and sealing the microcavity, and a second touch sensing electrode formed on the overcoat.Type: ApplicationFiled: December 9, 2014Publication date: January 14, 2016Inventors: Sang Gun Choi, Seung-Yeon Chae, Hee-Keun Lee, Tae Woon Cha
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Patent number: 9202824Abstract: A display panel includes a substrate, a gate line, a color filter and a roof layer. The substrate includes a thin film transistor disposed thereon. The gate line extends along a first direction on the substrate and is connected to the thin film transistor. The color filter is disposed on the substrate. The roof layer is disposed on the color filter and is configured to define a tunnel-shaped cavity between the roof layer and the color filter. The tunnel-shaped cavity extends along a second direction crossing the first direction. A cross-sectional thickness of an area of the roof layer adjacent to the gate lines is smaller than a cross-sectional thickness of another area of the roof layer spaced apart from the gate lines.Type: GrantFiled: July 17, 2014Date of Patent: December 1, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Han-Su Kim, Ha-Young Park, Seung-Yeon Chae, Sang-Gun Choi, Se-Hee Han, Tae-Woon Cha
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Patent number: 9188814Abstract: A display device and a method of manufacturing the display device are provided. Moisture may be prevented from penetrating into the display device. The display device includes a substrate including a pixel area. A thin film transistor is formed on the substrate. A pixel electrode is connected to the thin film transistor and formed in the pixel area. A roof layer is formed on the pixel electrode. The roof layer is separated from the pixel electrode via a microcavity. A liquid crystal layer fills the microcavity. A liquid crystal injection hole is formed in the roof layer and exposes a portion of the microcavity. An encapsulation layer is formed on the roof layer. The encapsulation layer covers the liquid crystal injection hole and seals the microcavity for the pixel area. The encapsulation layer includes a multilayer structure.Type: GrantFiled: April 11, 2013Date of Patent: November 17, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: A Ram Lee, Woo Yong Sung, Tae Gyun Kim, Seung-Yeon Chae, Sang Gun Choi, Tae Woon Cha
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Publication number: 20150268502Abstract: A liquid crystal display comprises: a substrate having a plurality of pixel regions; first electrode formed on the substrate in each of the pixel regions and including a plurality of separated branch electrodes; a cover layer forming a cavity with the substrate, the cover layer including side walls formed on the substrate to partition the plurality of pixel regions and a roof formed on the side walls; a second electrode formed on a bottom surface of the cover layer; a capping layer formed in the cavity to cover the first electrode on the substrate and to cover the second electrode on the bottom surface of the roof; an alignment layer formed on the capping layer; and a liquid crystal layer formed through injection of liquid crystal molecules into the cavity.Type: ApplicationFiled: September 8, 2014Publication date: September 24, 2015Inventors: Woo Yong Sung, A Ram Lee, Tae Woon Cha, Seung Yeon Chae, Sang Gun Choi
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Publication number: 20150236041Abstract: A display panel includes a substrate, a gate line, a color filter and a roof layer. The substrate includes a thin film transistor disposed thereon. The gate line extends along a first direction on the substrate and is connected to the thin film transistor. The color filter is disposed on the substrate. The roof layer is disposed on the color filter and is configured to define a tunnel-shaped cavity between the roof layer and the color filter. The tunnel-shaped cavity extends along a second direction crossing the first direction. A cross-sectional thickness of an area of the roof layer adjacent to the gate lines is smaller than a cross-sectional thickness of another area of the roof layer spaced apart from the gate lines.Type: ApplicationFiled: July 17, 2014Publication date: August 20, 2015Inventors: Han-Su KIM, Ha-Young PARK, Seung-Yeon CHAE, Sang-Gun CHOI, Se-Hee HAN, Tae-Woon CHA
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Publication number: 20150198829Abstract: A display apparatus includes a number of pixels. Each pixel includes a substrate including a pixel area and a non-pixel area disposed between adjacent pixel areas, a first electrode disposed on the substrate in the pixel area, and a second electrode extending in a first direction and being spaced apart upward from the substrate by a predetermined distance in the pixel area defining a tunnel-shaped cavity, an image display layer disposed in the tunnel-shaped cavity and driven by an electric field formed between the first electrode and the second electrode, a roof layer disposed on the second electrode, and a sealing layer extending in the first direction, having a black color, and being disposed in the non-pixel area between adjacent pixel areas in a second direction crossing the first direction to seal the tunnel-shaped cavity.Type: ApplicationFiled: August 18, 2014Publication date: July 16, 2015Inventors: Seung-Yeon Chae, Sanggun Choi, Hansu Kim, Taewoon Cha
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Publication number: 20150185517Abstract: A display apparatus includes a substrate that includes a plurality of pixel areas, a display area including first and second non-pixel areas extending to cross each other, and a non-display area adjacent to the display area, a plurality of first electrodes on the substrate in the pixel areas, a plurality of second electrodes extending in a first direction and upwardly spaced apart from the substrate in the pixel areas to form first tunnel-shaped cavities, an image display area in each of the first tunnel-shaped cavities, and a plurality of dummy electrodes in first cross areas defined by an intersection of the first and second non-pixel areas adjacent to boundaries of the display area in the first direction. The dummy electrodes are upwardly spaced apart from the substrate in the first cross areas by a predetermined distance to form dummy tunnel-shaped cavities.Type: ApplicationFiled: July 22, 2014Publication date: July 2, 2015Inventors: Sanggun CHOI, Ha-Young PARK, Sehee HAN, Hansu KIM, Aram LEE, Seung-Yeon CHAE, Taewoon CHA
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Patent number: 9030620Abstract: A display panel includes a substrate including a plurality of thin-film transistors thereon, a plurality of gate lines respectively connected to a thin film transistor and disposed on the substrate, a color filter layer disposed on the substrate and the gate lines, a black matrix disposed on the color filter and overlapped with the gate lines, and a hole defined in the black matrix and exposing the color filter layer, a first electrode disposed on the color filter and electrically connected to the thin-film transistor and an image displaying layer disposed on the first electrode.Type: GrantFiled: October 18, 2013Date of Patent: May 12, 2015Assignee: Samsung Display Co., Ltd.Inventors: Seung-Yeon Chae, Sang-Gun Choi, A-Ram Lee, Tae-Woon Cha
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Publication number: 20150092131Abstract: A liquid crystal display includes a substrate, a thin film transistor disposed on the substrate, a pixel electrode disposed on the thin film transistor, a roof layer facing the pixel electrode, and at least one partition wall disposed along an edge of the substrate, in which a plurality of microcavities is formed between the pixel electrode and the roof layer, and the plurality of microcavities includes a liquid crystal material.Type: ApplicationFiled: April 10, 2014Publication date: April 2, 2015Applicant: Samsung Display Co., Ltd.Inventors: A Ram Lee, Seung-Yeon Chae, Sang Gun Choi, Ha-Young Park, Tae-Woon Cha, Se Hee Han
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Publication number: 20140368770Abstract: A display panel includes a substrate including a plurality of thin-film transistors thereon, a plurality of gate lines respectively connected to a thin film transistor and disposed on the substrate, a color filter layer disposed on the substrate and the gate lines, a black matrix disposed on the color filter and overlapped with the gate lines, and a hole defined in the black matrix and exposing the color filter layer, a first electrode disposed on the color filter and electrically connected to the thin-film transistor and an image displaying layer disposed on the first electrode.Type: ApplicationFiled: October 18, 2013Publication date: December 18, 2014Applicant: Samsung Display Co., Ltd.Inventors: Seung-Yeon CHAE, Sang-Gun CHOI, A-Ram LEE, Tae-Woon CHA