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).

  • Patent number: 9693391
    Abstract: 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: Grant
    Filed: October 24, 2013
    Date of Patent: June 27, 2017
    Assignee: 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
  • Publication number: 20170179440
    Abstract: 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: Application
    Filed: March 9, 2017
    Publication date: June 22, 2017
    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
  • Patent number: 9608234
    Abstract: 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: Grant
    Filed: July 28, 2014
    Date of Patent: March 28, 2017
    Assignee: 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
  • Patent number: 9484555
    Abstract: 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: Grant
    Filed: December 3, 2013
    Date of Patent: November 1, 2016
    Assignee: 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
  • Patent number: 9478759
    Abstract: 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: Grant
    Filed: June 9, 2015
    Date of Patent: October 25, 2016
    Assignee: 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
  • Publication number: 20160282987
    Abstract: 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: Application
    Filed: November 3, 2015
    Publication date: September 29, 2016
    Inventors: Chung Sock Choi, Sang Hwan Cho
  • Patent number: 9411187
    Abstract: 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: Grant
    Filed: March 20, 2015
    Date of Patent: August 9, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyoung Sub Lee, Seung-Yeon Chae, Joo Young Yoon, Chung Sock Choi
  • Publication number: 20160209955
    Abstract: 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: Application
    Filed: September 22, 2015
    Publication date: July 21, 2016
    Inventors: Seung Hun KIM, Cheol JANG, Sang Hwan CHO, Chung Sock CHOI, Myung Mo SUNG
  • Publication number: 20160202817
    Abstract: 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: Application
    Filed: August 25, 2015
    Publication date: July 14, 2016
    Inventors: Chung Sock CHOI, Seung Hun KIM, Seung Yong SONG, Cheol JANG, Sang Hwan CHO
  • Patent number: 9373821
    Abstract: 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: Grant
    Filed: June 26, 2014
    Date of Patent: June 21, 2016
    Assignee: 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
  • Patent number: 9368754
    Abstract: 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: Grant
    Filed: April 8, 2015
    Date of Patent: June 14, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Ho Kim, Chung Sock Choi, Soo Youn Kim
  • Patent number: 9360976
    Abstract: 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: Grant
    Filed: March 28, 2014
    Date of Patent: June 7, 2016
    Assignee: 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
  • Publication number: 20160109746
    Abstract: 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: Application
    Filed: March 20, 2015
    Publication date: April 21, 2016
    Inventors: Hyoung Sub LEE, Seung-Yeon CHAE, Joo Young YOON, Chung Sock CHOI
  • Patent number: 9293731
    Abstract: 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: Grant
    Filed: June 25, 2014
    Date of Patent: March 22, 2016
    Assignee: 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
  • Patent number: 9281347
    Abstract: A display device integrated with a touch screen panel may include a display device and an anti-reflection layer. The display device may include a plurality pixels arranged therein. The anti-reflection layer may include a plurality of metal layers and a plurality of dielectric layers that are sequentially laminated on an upper surface of the display device. In the display device, one or more metal layers among the plurality of metal layers constituting the anti-reflection layer may be operated as sensing electrodes of the touch screen panel.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: March 8, 2016
    Assignee: 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
  • Publication number: 20160049612
    Abstract: 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: Application
    Filed: April 8, 2015
    Publication date: February 18, 2016
    Inventors: Hyun Ho KIM, Chung Sock CHOI, Soo Youn KIM
  • Patent number: 9263703
    Abstract: A display apparatus includes a substrate, a display unit on the substrate and including an emission area and a non-emission area, a first blocking layer at the non-emission area on the display unit, the first blocking layer having a thickness that tapers toward an edge of the first blocking layer, and a second blocking layer on the first blocking layer and configured to block external light reflection.
    Type: Grant
    Filed: May 5, 2014
    Date of Patent: February 16, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun-Ho Kim, Seung-Yong Song, Sang-Hwan Cho, Jin-Koo Kang, Soo-Youn Kim, Seung-Hun Kim, Cheol Jang, Chung-Sock Choi, Sang-Hyun Park
  • Publication number: 20160028043
    Abstract: A display device includes: a substrate; a plurality of pixels on the substrate; an organic encapsulation layer covering a pixel area including at least one pixel; a first inorganic encapsulation layer on the organic encapsulation layer and having a first crack at a pixel area gap; and a second inorganic encapsulation layer on the first inorganic encapsulation layer and filling the first crack.
    Type: Application
    Filed: March 11, 2015
    Publication date: January 28, 2016
    Inventors: Oh June Kwon, Jin Koo Kang, Chung Sock Choi
  • Publication number: 20150311477
    Abstract: 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: Application
    Filed: October 29, 2014
    Publication date: October 29, 2015
    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
  • Publication number: 20150293560
    Abstract: 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: Application
    Filed: September 30, 2014
    Publication date: October 15, 2015
    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