Patents by Inventor Chung-Sock Choi
Chung-Sock Choi 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: 9880686Abstract: A touch screen panel includes first electrode patterns disposed in a first direction, first connection patterns electrically connecting the first electrode patterns, second electrode patterns disposed in a second direction intersecting the first direction and insulated from the first electrode patterns, insulating patterns disposed on the first connection patterns, and second connection patterns disposed on the insulating patterns and electrically connecting the second electrode patterns, in which at least one of the first electrode patterns, the first connection patterns, the second electrode patterns, and the second connection patterns include a first polymer layer including a conductive material infiltrated therein, and the insulating patterns comprise a second polymer layer comprising a dielectric material infiltrated therein.Type: GrantFiled: September 22, 2015Date of Patent: January 30, 2018Assignees: Samsung Display Co., Ltd., IUCF-HYUInventors: Seung Hun Kim, Cheol Jang, Sang Hwan Cho, Chung Sock Choi, Myung Mo Sung
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Publication number: 20170373282Abstract: A display device includes a substrate, a first electrode, an organic light-emitting layer, a second electrode, a phase matching layer, and at least one light-absorbing layer. The substrate includes a plurality of pixel regions and a non-pixel region. The non-pixel region is arranged between adjacent pixel regions. The first electrode is arranged in each pixel region. The organic light-emitting layer is arranged on the first electrode. The second electrode is arranged on the organic light-emitting layer. The phase matching layer is arranged on the second electrode. The at least one light-absorbing layer is arranged on the phase matching layer. A thickness of the second electrode in the non-pixel region is different than a thickness of the second electrode in the pixel regions.Type: ApplicationFiled: June 27, 2017Publication date: December 28, 2017Inventors: Doo Hwan KIM, Sang Hwan CHO, Chung Sock CHOI
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Publication number: 20170371220Abstract: The present disclosure provides a smart window including a first base layer and a second base layer positioned to face each other; a first conductive layer and a second conductive layer respectively positioned at inner surfaces of the first base layer and the second base layer; and an electrolyte layer interposed between the first conductive layer and the second conductive layer, wherein the first conductive layer includes a plurality of first nanostructures, and the second conductive layer includes a plurality of second nanostructures having a different average length from the plurality of first nanostructures.Type: ApplicationFiled: February 16, 2017Publication date: December 28, 2017Inventors: Sang Hwan CHO, Jong Lam LEE, Chung Sock CHOI, So Young LEE, Sun Young JUNG, Illhwan LEE, Ki Ryong JEONG
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Patent number: 9837639Abstract: According to one or more embodiments of the present invention, a display apparatus includes: a substrate; a display unit which is formed on the substrate and includes an emission area and a non-emission area; a first coating layer which is formed on the display unit and has an uneven area formed on the emission area; a first blocking layer which is formed on the non-emission area of the first coating layer; and a second blocking layer which is formed on the first blocking layer and prevents reflection of external light.Type: GrantFiled: March 9, 2017Date of Patent: December 5, 2017Assignee: Samsung Display Co., Ltd.Inventors: Hyun-Ho Kim, Soo-Youn Kim, Seung-Yong Song, Sang-Hwan Cho, Jin-Koo Kang, Seung-Hun Kim, Cheol Jang, Chung-Sock Choi, Sang-Hyun Park
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Patent number: 9733770Abstract: A touch sensing structure and display device including the same are disclosed. In one aspect, the display device includes a display panel including a light-emitting region and a non-light-emitting region and a touch sensor formed over the display panel and including a plurality of sensing patterns. The display device also includes a destructive interference unit formed over the display panel and overlapping the touch sensor. The destructive interference unit includes a plurality of dielectric layers and a plurality of metal layers that are alternately stacked. At least one of the metal layers includes a plurality of metal patterns that are separated from each other.Type: GrantFiled: September 30, 2014Date of Patent: August 15, 2017Assignee: Samsung Display Co., Ltd.Inventors: Chung Sock Choi, Jin Koo Kang, Soo Youn Kim, Seung Hun Kim, Hyun Ho Kim, Seung Yong Song, Cheol Jang, Sang Hwan Cho, Sang Hyun Park
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Patent number: 9698203Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the display includes a substrate and a display layer formed over the substrate and including a pixel area and a non-pixel area. The display also includes an upper thin layer formed over the display layer, wherein the upper thin layer comprises at least first and second conductive layers and a dielectric layer formed between the first and second conductive layers, wherein the second conductive layer is closer to the substrate than the first conductive layer, and wherein the first and second conductive layers are patterned as a touch electrode. The display further includes a light absorbing member at least partially overlapping the non-pixel area and not overlapping the pixel area.Type: GrantFiled: October 29, 2014Date of Patent: July 4, 2017Assignee: Samsung Display Co., Ltd.Inventors: Sang Hwan Cho, Jin Koo Kang, Soo Youn Kim, Seung Hun Kim, Hyun Ho Kim, Seung Yong Song, Cheol Jang, Chung Sock Choi, Sang Hyun Park
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Patent number: 9693391Abstract: A flexible display apparatus includes a flexible substrate; a display layer on the flexible substrate and including a plurality of pixels; a cover layer which covers the display layer; a heating electrode layer on a surface of the flexible substrate opposite to the display layer, between the flexible substrate and the display layer, between the display layer and the cover layer, or on a surface of the cover layer opposite to the display layer; and a temperature sensing unit configured to sense an external temperature to the flexible display apparatus.Type: GrantFiled: October 24, 2013Date of Patent: June 27, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Cheol Jang, Seung-Yong Song, Sang-Hwan Cho, Seung-Hun Kim, Chung-Sock Choi, Hyun-Ho Kim, Soo-Youn Kim, Sang-Hyun Park
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Publication number: 20170179440Abstract: According to one or more embodiments of the present invention, a display apparatus includes: a substrate; a display unit which is formed on the substrate and includes an emission area and a non-emission area; a first coating layer which is formed on the display unit and has an uneven area formed on the emission area; a first blocking layer which is formed on the non-emission area of the first coating layer; and a second blocking layer which is formed on the first blocking layer and prevents reflection of external light.Type: ApplicationFiled: March 9, 2017Publication date: June 22, 2017Inventors: Hyun-Ho Kim, Soo-Youn Kim, Seung-Yong Song, Sang-Hwan Cho, Jin-Koo Kang, Seung-Hun Kim, Cheol Jang, Chung-Sock Choi, Sang-Hyun Park
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Patent number: 9608234Abstract: According to one or more embodiments of the present invention, a display apparatus includes: a substrate; a display unit which is formed on the substrate and includes an emission area and a non-emission area; a first coating layer which is formed on the display unit and has an uneven area formed on the emission area; a first blocking layer which is formed on the non-emission area of the first coating layer; and a second blocking layer which is formed on the first blocking layer and prevents reflection of external light.Type: GrantFiled: July 28, 2014Date of Patent: March 28, 2017Assignee: Samsung Display Co., Ltd.Inventors: Hyun-Ho Kim, Soo-Youn Kim, Seung-Yong Song, Sang-Hwan Cho, Jin-Koo Kang, Seung-Hun Kim, Cheol Jang, Chung-Sock Choi, Sang-Hyun Park
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Patent number: 9484555Abstract: An organic light emitting display device includes a substrate having a non-light emitting region and a light emitting region, a photochromic layer in a path of light that is emitted from the light emitting region and a light blocking layer on the photochromic layer, wherein the light blocking layer comprises a plurality of light blocking patterns that are spaced from each other, the light blocking patterns overlap the light emitting region, and a space between adjacent light blocking patterns exposes the non-light emitting region.Type: GrantFiled: December 3, 2013Date of Patent: November 1, 2016Assignee: Samsung Display Co., Ltd.Inventors: Chung Sock Choi, Jin Koo Kang, Soo Youn Kim, Seung Hun Kim, Hyun Ho Kim, Seung Yong Song, Cheol Jang, Sang Hwan Cho, Sang Hyun Park
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Patent number: 9478759Abstract: A flexible display panel including a flexible panel including a display region and a non-display region, wherein the display region includes an organic light emitting device; a planarization layer disposed on the flexible panel; and a metal-dielectric layer disposed on the planarization layer and including a metal layer and a dielectric layer.Type: GrantFiled: June 9, 2015Date of Patent: October 25, 2016Assignee: Samsung Display Co., Ltd.Inventors: Cheol Jang, Seung-Yong Song, Sang-Hwan Cho, Seung-Hun Kim, Chung-Sock Choi, Hyun-Ho Kim, Soo-Youn Kim, Sang-Hyun Park
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Publication number: 20160282987Abstract: Provided is a display device including: a display unit including a pixel and a non-pixel area; an encapsulation unit configured to seal the display unit; a touch sensing electrode at the non-pixel area on the encapsulation unit and provided with a plurality of first openings; and a reflection reducing unit at the pixel and the non-pixel area on the encapsulation unit and configured as a multilayer of a metal layer and a dielectric layer. The metal layer includes a non-pixel portion overlapping the touch sensing electrode and provided with a plurality of second openings.Type: ApplicationFiled: November 3, 2015Publication date: September 29, 2016Inventors: Chung Sock Choi, Sang Hwan Cho
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Patent number: 9411187Abstract: 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: GrantFiled: March 20, 2015Date of Patent: August 9, 2016Assignee: Samsung Display Co., Ltd.Inventors: Hyoung Sub Lee, Seung-Yeon Chae, Joo Young Yoon, Chung Sock Choi
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Publication number: 20160209955Abstract: A touch screen panel includes first electrode patterns disposed in a first direction, first connection patterns electrically connecting the first electrode patterns, second electrode patterns disposed in a second direction intersecting the first direction and insulated from the first electrode patterns, insulating patterns disposed on the first connection patterns, and second connection patterns disposed on the insulating patterns and electrically connecting the second electrode patterns, in which at least one of the first electrode patterns, the first connection patterns, the second electrode patterns, and the second connection patterns include a first polymer layer including a conductive material infiltrated therein, and the insulating patterns comprise a second polymer layer comprising a dielectric material infiltrated therein.Type: ApplicationFiled: September 22, 2015Publication date: July 21, 2016Inventors: Seung Hun KIM, Cheol JANG, Sang Hwan CHO, Chung Sock CHOI, Myung Mo SUNG
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Publication number: 20160202817Abstract: A display device including a substrate having a display area including a plurality of pixels and a peripheral area positioned outside the display area, a sealant in the peripheral area, a first spacer on the sealant, an encapsulation substrate on the first spacer, and a touch sensor on the encapsulation substrate facing the display area.Type: ApplicationFiled: August 25, 2015Publication date: July 14, 2016Inventors: Chung Sock CHOI, Seung Hun KIM, Seung Yong SONG, Cheol JANG, Sang Hwan CHO
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Patent number: 9373821Abstract: A display apparatus includes a substrate, a display unit, a first metal oxide layer on the display unit, and a second metal oxide layer. The display unit may include an emission region and a non-emission region. The second metal oxide layer may be on the first metal oxide layer in the non-emission region. The first metal oxide layer and the second metal oxide layer may each include a metal oxide, the transparency of which varies according to a degree of oxidization of the metal oxide.Type: GrantFiled: June 26, 2014Date of Patent: June 21, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Soo-Youn Kim, Jin-Koo Kang, Seung-Hun Kim, Hyun-Ho Kim, Seung-Yong Song, Cheol Jang, Sang-Hwan Cho, Chung-Sock Choi, Sang-Hyun Park
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Patent number: 9368754Abstract: A display device includes a first substrate, a pixel defining layer on the first substrate, the pixel defining layer defining a pixel region on the first substrate, a first electrode on the pixel region, a light emitting layer on the first electrode, a second electrode on the light emitting layer, a second substrate facing the first substrate, and a light scattering layer overlapping the pixel defining layer, the light scattering layer having a non-overlapping relationship with the light emitting layer.Type: GrantFiled: April 8, 2015Date of Patent: June 14, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun Ho Kim, Chung Sock Choi, Soo Youn Kim
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Patent number: 9360976Abstract: A touch panel and a display device including the same are disclosed. In one aspect, the touch panel includes a destructive interference (DI) unit including a plurality of dielectric layers and a plurality of metal layers that are alternately stacked and a transparent conductive layer formed over the DI unit. The transparent conductive layer includes a plurality of first sensing patterns and one of the metal layers includes a plurality of second sensing patterns and a plurality of non-sensing metal patterns adjacent to and alternately arranged with the second sensing patterns.Type: GrantFiled: March 28, 2014Date of Patent: June 7, 2016Assignee: Samsung Display Co., Ltd.Inventors: Chung-Sock Choi, Jin Koo Kang, Soo Youn Kim, Seung Hun Kim, Hyun Ho Kim, Seung Yong Song, Cheol Jang, Sang Hwan Cho, Sang Hyun Park
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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: 9293731Abstract: An organic light emitting display device having a display substrate; a display element layer formed on the display substrate and including a plurality of pixels, a thin film encapsulation layer which covers and protects the display substrate and the display element layer; a function film disposed on the thin film encapsulation layer, a first adhesive layer disposed between the thin film encapsulation layer and the functional film, a window attached onto the functional film which protects the display element layer, and a second adhesive layer disposed between the functional film and the window, in which the first adhesive layer and the second adhesive are formed by deposition, a surface processing is performed, and facing surfaces are adhered with each other.Type: GrantFiled: June 25, 2014Date of Patent: March 22, 2016Assignee: Samsung Display Co., Ltd.Inventors: Seung Hun Kim, Jin Koo Kang, Soo Youn Kim, Hyun Ho Kim, Seung Yong Song, Cheol Jang, Sang Hwan Cho, Chung Sock Choi, Sang Hyun Park