Patents by Inventor Eon-Seok Oh
Eon-Seok Oh 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: 20180307044Abstract: A head mounted display includes: a case; a display panel positioned inside the case and displaying an image; and an optical system positioned inside the case and refracting the image, the display panel includes a substrate, a transistor composite layer positioned on the substrate and including a transistor, a first electrode positioned on the transistor composite layer and connected to the transistor, a pixel definition layer positioned on the first electrode and having a pixel opening overlapping the first electrode, a second electrode facing the first electrode, and an emission layer positioned between the first electrode and the second electrode, the pixel definition layer includes a central pixel definition layer positioned at the central area and a peripheral pixel definition layer positioned at the peripheral area, and a width of the central pixel definition layer is smaller than a width of the peripheral pixel definition layer.Type: ApplicationFiled: January 14, 2018Publication date: October 25, 2018Inventors: Eon Seok Oh, Seung-Gyun Woo
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Patent number: 9812515Abstract: An organic light emitting diode display includes a substrate including a light transmitting area which is at a display area for displaying an image, and an emission area which is adjacent the light transmitting area, an organic light emitting diode on the substrate at a location corresponding to the emission area; and a light control unit on the substrate at a location corresponding to the light transmitting area and configured to control transmission of light.Type: GrantFiled: December 28, 2015Date of Patent: November 7, 2017Assignee: Samsung Display Co., Ltd.Inventors: Eon Seok Oh, Sang Yeol Kim, Min Seong Yi, Bo Mi Choi
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Patent number: 9741784Abstract: An organic light emitting display device includes a substrate including a plurality of pixel areas, each of the plurality of pixel areas including a light emitting region and a transmission region, a first electrode disposed on the light emitting region of the substrate, a second electrode opposing the first electrode, an organic light emitting layer which is disposed on the light emitting region of the substrate and disposed between the first electrode and the second electrode, and an auxiliary electrode which is disposed on the transmission region of the substrate and electrically connected to the second electrode.Type: GrantFiled: July 9, 2015Date of Patent: August 22, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Eon-Seok Oh, Sang-Yeol Kim, Byeong-Min Jang, Mi-Yeon Cho
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Patent number: 9711575Abstract: An organic light emitting display device may include a substrate, an anode, an auxiliary electrode, a light emitting structure, a lower cathode, and an upper cathode. The substrate may include a pixel region, a transparent region, and a boundary region between the pixel region and the transparent region. The anode may be on the pixel region. The auxiliary electrode may be on the transparent or boundary regions. The light emitting structure may be on the anode and the auxiliary electrode and extended from the pixel region to the transparent region. The lower cathode may be on the light emitting structure and made thin to increase transmittance. The upper cathode may be on the lower cathode. The thin lower cathode may be electrically connected to the auxiliary electrode via a contact hole which penetrates the light emitting structure so as to reduce a voltage drop.Type: GrantFiled: November 17, 2016Date of Patent: July 18, 2017Assignee: Samsung Display Co., Ltd.Inventors: Eon-Seok Oh, Na-Jeong Kim, Sang-Yeol Kim, Jung-Yeon Kim, Min-Kyung Jo
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Patent number: 9640594Abstract: A transparent organic light emitting display device having a pixel region on which an image is displayed and a transparent region through which external light passes. The transparent organic light emitting display device includes a first substrate, a second substrate opposing the first substrate, a display unit disposed between the first substrate and the second substrate, the display unit including an organic light emitting diode. A sealing unit is disposed between the first substrate and the second substrate to surround the display unit and to bond the first substrate to the second substrate. A filling unit is disposed in an inner side of the sealing unit to cover the display unit, the filling unit including a silicon filling material and a photochromic material.Type: GrantFiled: April 16, 2015Date of Patent: May 2, 2017Assignee: Samsung Display Co., Ltd.Inventors: Eon-Seok Oh, Sang-Yeol Kim, Il-Seok Park
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Publication number: 20170069698Abstract: An organic light emitting display device may include a substrate, an anode, an auxiliary electrode, a light emitting structure, a lower cathode, and an upper cathode. The substrate may include a pixel region, a transparent region, and a boundary region between the pixel region and the transparent region. The anode may be on the pixel region. The auxiliary electrode may be on the transparent or boundary regions. The light emitting structure may be on the anode and the auxiliary electrode and extended from the pixel region to the transparent region. The lower cathode may be on the light emitting structure and made thin to increase transmittance. The upper cathode may be on the lower cathode. The thin lower cathode may be electrically connected to the auxiliary electrode via a contact hole which penetrates the light emitting structure so as to reduce a voltage drop.Type: ApplicationFiled: November 17, 2016Publication date: March 9, 2017Inventors: Eon-Seok OH, Na-Jeong KIM, Sang-Yeol KIM, Jung-Yeon KIM, Min-Kyung JO
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Patent number: 9530980Abstract: An organic light emitting display device may include a substrate, an anode, an auxiliary electrode, a light emitting structure, a lower cathode, and an upper cathode. The substrate may include a pixel region, a transparent region, and a boundary region between the pixel region and the transparent region. The anode may be on the pixel region. The auxiliary electrode may be on the transparent or boundary regions. The light emitting structure may be on the anode and the auxiliary electrode and extended from the pixel region to the transparent region. The lower cathode may be on the light emitting structure and made thin to increase transmittance. The upper cathode may be on the lower cathode. The thin lower cathode may be electrically connected to the auxiliary electrode via a contact hole which penetrates the light emitting structure so as to reduce a voltage drop.Type: GrantFiled: July 13, 2015Date of Patent: December 27, 2016Assignee: Samsung Display Co., Ltd.Inventors: Eon-Seok Oh, Na-Jeong Kim, Sang-Yeol Kim, Jung-Yeon Kim, Min-Kyung Jo
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Patent number: 9461277Abstract: An organic light emitting display apparatus includes: a substrate; an insulation layer on the substrate and including first regions that are arranged along a first direction and second regions that are adjacent to the first regions and are arranged along the first direction; first lines on the insulation layer to cover the first regions and including first organic light-emitting layers; and second lines on the insulation layer to cover the second regions and including second organic light-emitting layers different from the first organic light-emitting layers. A portion of the first regions and a portion of the second regions facing each other are not parallel to the first direction.Type: GrantFiled: May 23, 2013Date of Patent: October 4, 2016Assignee: Samsung Display Co., Ltd.Inventors: Eon-Seok Oh, Seung-Wook Chang, Young-Hee Lee
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Publication number: 20160240810Abstract: An organic light emitting display device may include a substrate, an anode, an auxiliary electrode, a light emitting structure, a lower cathode, and an upper cathode. The substrate may include a pixel region, a transparent region, and a boundary region between the pixel region and the transparent region. The anode may be on the pixel region. The auxiliary electrode may be on the transparent or boundary regions. The light emitting structure may be on the anode and the auxiliary electrode and extended from the pixel region to the transparent region. The lower cathode may be on the light emitting structure and made thin to increase transmittance. The upper cathode may be on the lower cathode. The thin lower cathode may be electrically connected to the auxiliary electrode via a contact hole which penetrates the light emitting structure so as to reduce a voltage drop.Type: ApplicationFiled: July 13, 2015Publication date: August 18, 2016Inventors: Eon-Seok OH, Na-Jeong Kim, Sang-Yeol Kim, Jung-Yeon Kim, Min-Kyung Jo
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Publication number: 20160211316Abstract: An organic light emitting display device includes a substrate including a plurality of pixel areas, each of the plurality of pixel areas including a light emitting region and a transmission region, a first electrode disposed on the light emitting region of the substrate, a second electrode opposing the first electrode, an organic light emitting layer which is disposed on the light emitting region of the substrate and disposed between the first electrode and the second electrode, and an auxiliary electrode which is disposed on the transmission region of the substrate and electrically connected to the second electrode.Type: ApplicationFiled: July 9, 2015Publication date: July 21, 2016Inventors: Eon-Seok OH, Sang-Yeol KIM, Byeong-Min JANG, Mi-Yeon CHO
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Publication number: 20160204169Abstract: An organic light emitting diode display includes a substrate including a light transmitting area which is at a display area for displaying an image, and an emission area which is adjacent the light transmitting area, an organic light emitting diode on the substrate at a location corresponding to the emission area; and a light control unit on the substrate at a location corresponding to the light transmitting area and configured to control transmission of light.Type: ApplicationFiled: December 28, 2015Publication date: July 14, 2016Inventors: Eon Seok OH, Sang Yeol KIM, Min Seong YI, Bo Mi CHOI
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Publication number: 20160104752Abstract: A transparent organic light emitting display device having a pixel region on which an image is displayed and a transparent region through which external light passes. The transparent organic light emitting display device includes a first substrate, a second substrate opposing the first substrate, a display unit disposed between the first substrate and the second substrate, the display unit including an organic light emitting diode. A sealing unit is disposed between the first substrate and the second substrate to surround the display unit and to bond the first substrate to the second substrate. A filling unit is disposed in an inner side of the sealing unit to cover the display unit, the filling unit including a silicon filling material and a photochromic material.Type: ApplicationFiled: April 16, 2015Publication date: April 14, 2016Inventors: Eon-Seok OH, Sang-Yeol Kim, II-Seok Park
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Publication number: 20150060794Abstract: An organic light emitting device includes an anode, a cathode, and an organic layer between the anode and the cathode, wherein the organic layer includes an emission layer, an electron transport layer, and an assistance layer interposed therebetween, and the assistance layer has a higher HOMO level than the electron transport layer by more than 0.3 eV. The accumulation of holes in the electron transport layer is decreased or prevented by the gap of the HOMO level between the assistance layer and the electron transport layer such that the lifetime of the organic light emitting device may be increased.Type: ApplicationFiled: June 20, 2014Publication date: March 5, 2015Inventors: Eon Seok OH, Sol Ji KIM, Min Seong YI, Bo Mi CHOI
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Patent number: 8969858Abstract: An organic light emitting display apparatus including a plurality of sub-pixels disposed on a substrate, wherein each of the sub-pixels includes: a first electrode formed on the substrate; an intermediate layer formed on the first electrode and including an organic emission layer; and a second electrode formed on the intermediate layer, wherein at least one sub-pixel for emitting light of a color among the sub-pixels includes a shadow emission layer for emitting light of different color between the organic emission layer and the first electrode, and the organic emission layer of the one sub-pixel includes a hole transport material.Type: GrantFiled: March 11, 2013Date of Patent: March 3, 2015Assignee: Samsung Display Co., Ltd.Inventors: Eon-Seok Oh, Bo-Mi Choi, Hyun-Sung Kang, Sang-Yeol Kim
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Patent number: 8883259Abstract: A thin film deposition apparatus is disclosed. In one embodiment, the apparatus includes i) a deposition source configured to discharge a deposition material, ii) a deposition source nozzle unit disposed at a side of the deposition source and comprising a plurality of deposition source nozzles arranged in a first direction and iii) a patterning slit sheet disposed opposite to the deposition source nozzle unit and comprising a plurality of patterning slits arranged in a second direction substantially perpendicular to the first direction. The patterning slit sheet may include: i) a base sheet, in which a plurality of sub-patterning slits are formed in the second direction and ii) a plurality of patterning bars disposed between adjacent sub-patterning slits to form the patterning slits. Further, the deposition apparatus is configured to perform deposition while the substrate is moved relative to the thin film deposition apparatus in the first direction.Type: GrantFiled: November 10, 2011Date of Patent: November 11, 2014Assignee: Samsung Display Co., Ltd.Inventors: Eon-Seok Oh, Yong-Joong Choi, Myung-Ki Lee
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Publication number: 20140124744Abstract: An organic light emitting display apparatus including a plurality of sub-pixels disposed on a substrate, wherein each of the sub-pixels includes: a first electrode formed on the substrate; an intermediate layer formed on the first electrode and including an organic emission layer; and a second electrode formed on the intermediate layer, wherein at least one sub-pixel for emitting light of a color among the sub-pixels includes a shadow emission layer for emitting light of different color between the organic emission layer and the first electrode, and the organic emission layer of the one sub-pixel includes a hole transport material.Type: ApplicationFiled: March 11, 2013Publication date: May 8, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Eon-Seok Oh, Bo-Mi Choi, Hyun-Sung kang, Sang-Yeol Kim
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Publication number: 20140014924Abstract: An organic light emitting display apparatus includes: a substrate; an insulation layer on the substrate and including first regions that are arranged along a first direction and second regions that are adjacent to the first regions and are arranged along the first direction; first lines on the insulation layer to cover the first regions and including first organic light-emitting layers; and second lines on the insulation layer to cover the second regions and including second organic light-emitting layers different from the first organic light-emitting layers. A portion of the first regions and a portion of the second regions facing each other are not parallel to the first direction.Type: ApplicationFiled: May 23, 2013Publication date: January 16, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Eon-Seok Oh, Seung-Wook Chang, Young-Hee Lee
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Publication number: 20120132137Abstract: A thin film deposition apparatus is disclosed. In one embodiment, the apparatus includes i) a deposition source configured to discharge a deposition material, ii) a deposition source nozzle unit disposed at a side of the deposition source and comprising a plurality of deposition source nozzles arranged in a first direction and iii) a patterning slit sheet disposed opposite to the deposition source nozzle unit and comprising a plurality of patterning slits arranged in a second direction substantially perpendicular to the first direction. The patterning slit sheet may include: i) a base sheet, in which a plurality of sub-patterning slits are formed in the second direction and ii) a plurality of patterning bars disposed between adjacent sub-patterning slits to form the patterning slits. Further, the deposition apparatus is configured to perform deposition while the substrate is moved relative to the thin film deposition apparatus in the first direction.Type: ApplicationFiled: November 10, 2011Publication date: May 31, 2012Applicant: Samsung Mobile Display Co., Ltd.Inventors: Eon-Seok Oh, Yong-Joong Choi, Myung-Ki Lee