Patents by Inventor Il-Ryong Cho
Il-Ryong Cho 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: 11665921Abstract: An organic light-emitting apparatus includes a lower substrate comprising a display area and a peripheral area around the display area; a first insulating layer on the display area and the peripheral area of the lower substrate, wherein a plurality of penetration holes are formed in the first insulating layer in the peripheral area; an upper substrate on the lower substrate; and a sealant in the plurality of penetration holes bonding the lower substrate to the upper substrate.Type: GrantFiled: November 20, 2017Date of Patent: May 30, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sung-Ho Cho, Hyun-Young Kim, Il-Ryong Cho
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Publication number: 20180076416Abstract: An organic light-emitting apparatus includes a lower substrate comprising a display area and a peripheral area around the display area; a first insulating layer on the display area and the peripheral area of the lower substrate, wherein a plurality of penetration holes are formed in the first insulating layer in the peripheral area; an upper substrate on the lower substrate; and a sealant in the plurality of penetration holes bonding the lower substrate to the upper substrate.Type: ApplicationFiled: November 20, 2017Publication date: March 15, 2018Inventors: Sung-Ho Cho, Hyun-Young Kim, Il-Ryong Cho
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Patent number: 9825253Abstract: An organic light-emitting apparatus includes a lower substrate comprising a display area and a peripheral area around the display area; a first insulating layer on the display area and the peripheral area of the lower substrate, wherein a plurality of penetration holes are formed in the first insulating layer in the peripheral area; an upper substrate on the lower substrate; and a sealant in the plurality of penetration holes bonding the lower substrate to the upper substrate.Type: GrantFiled: June 23, 2014Date of Patent: November 21, 2017Assignee: Samsung Display Co., Ltd.Inventors: Sung-Ho Cho, Hyun-Young Kim, Il-Ryong Cho
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Patent number: 9543542Abstract: An organic light-emitting display includes a first substrate which includes a pixel region, and an encapsulation region which surrounds the pixel region, an organic light-emitting device which is located in the pixel region, a sealant which is located in the encapsulation region, and a dummy metal which is interposed between the first substrate and the sealant, where the encapsulation region includes a first encapsulation region and a second encapsulation region which is adjacent to the first encapsulation region, and the dummy metal is located in the first encapsulation region.Type: GrantFiled: May 30, 2014Date of Patent: January 10, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun Young Kim, Ji Yong Park, Sung Ho Cho, Il Ryong Cho
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Patent number: 8998446Abstract: An optical film and an organic light emitting display apparatus including the optical film are disclosed. In one embodiment, the optical film is formed on a substrate of the organic light emitting display, and the substrate is configured to transmit light, emitted from an organic light emission unit of the display, toward the optical film. Further, the optical film is configured to absorb ambient light via a first portion, and the optical film is further configured to at least partially transmit light emitted from the organic light emission unit to the environment via a second portion.Type: GrantFiled: December 22, 2010Date of Patent: April 7, 2015Assignee: Samsung Display Co., Ltd.Inventors: Chul-Woo Jeong, Soon-Ryong Park, Hee-Seong Jeong, Woo-Suk Jung, Tae-Kyu Kim, Il-Ryong Cho, Duk-Jin Lee, Sung-Soo Koh
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Publication number: 20150060790Abstract: An organic light-emitting display includes a first substrate which includes a pixel region, and an encapsulation region which surrounds the pixel region, an organic light-emitting device which is located in the pixel region, a sealant which is located in the encapsulation region, and a dummy metal which is interposed between the first substrate and the sealant, where the encapsulation region includes a first encapsulation region and a second encapsulation region which is adjacent to the first encapsulation region, and the dummy metal is located in the first encapsulation region.Type: ApplicationFiled: May 30, 2014Publication date: March 5, 2015Applicant: Samsung Display Co., Ltd.Inventors: Hyun Young KIM, Ji Yong PARK, Sung Ho CHO, Il Ryong CHO
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Patent number: 8957437Abstract: An OLED display including: a substrate main body; a first transflective electrode formed on the substrate main body; an organic emission layer formed on the first transflective electrode; a second transflective electrode formed on the organic emission layer; and a dual brightness enhancement film (DBEF) disposed on a dual brightness enhancement film (DBEF) on at least one of a side of the first transflective electrode facing away from the organic emission layer, or a side of the second transflective electrode facing away from the organic emission layer.Type: GrantFiled: October 22, 2010Date of Patent: February 17, 2015Assignee: Samsung Display Co., Ltd.Inventors: Sung-Soo Koh, Hee-Seong Jeong, Chul-Woo Jeong, Soon-Ryong Park, Woo-Suk Jung, Il-Ryong Cho, Tae-Kyu Kim, Jae-Yong Kim
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Publication number: 20150001501Abstract: An organic light-emitting apparatus includes a lower substrate comprising a display area and a peripheral area around the display area; a first insulating layer on the display area and the peripheral area of the lower substrate, wherein a plurality of penetration holes are formed in the first insulating layer in the peripheral area; an upper substrate on the lower substrate; and a sealant in the plurality of penetration holes bonding the lower substrate to the upper substrate.Type: ApplicationFiled: June 23, 2014Publication date: January 1, 2015Inventors: Sung-Ho Cho, Hyun-Young Kim, Il-Ryong Cho
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Patent number: 8803167Abstract: An organic light emitting diode (OLED) display according to an exemplary embodiment includes a display substrate on which a plurality of organic light emitting diodes are formed; a conducting material layer contacting one of electrodes included in the organic light emitting diode; an encapsulation substrate facing the display substrate; and an anti-reflective light transmission layer that is formed on a surface of the encapsulation substrate and is connected to the conducting material layer.Type: GrantFiled: September 24, 2011Date of Patent: August 12, 2014Assignee: Samsung Display Co., Ltd.Inventors: Sung-Soo Koh, Chul-Woo Jeong, Tae-Gon Kim, Hee-Seong Jeong, Soon-Ryong Park, Woo-Suk Jung, Il-Ryong Cho, Tae-Kyu Kim, Jae-Yong Kim
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Patent number: 8717675Abstract: A polarizing film having a polyvinyl alcohol-based resin film on which an iodine-first component composite particle is absorbed and oriented. A first component is included in the iodine-first component composite particle prevents iodine having high sublimation characteristics from being sublimated and prevents a molecular structure of the iodine of the iodine-first component composite particle from being destroyed.Type: GrantFiled: March 8, 2011Date of Patent: May 6, 2014Assignee: Samsung Display Co., Ltd.Inventors: Sung-Soo Koh, Soon-Ryong Park, Chul-Woo Jeong, Hee-Seong Jeong, Woo-Suk Jung, Il-Ryong Cho, Tae-Kyu Kim, Jae-Yong Kim
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Patent number: 8664848Abstract: An organic light emitting display device comprises: a substrate; a plurality of thin film transistors (TFTs) formed on a first surface of the substrate; a passivation layer covering the plurality of TFTs; a plurality of first pixel electrodes formed on the passivation layer and respectively electrically connected to the plurality of TFTs, and overlapping with the plurality of TFTs so as to cover the plurality of TFTs, and including a reflection layer formed of a light-reflecting conductive material; a second pixel electrode formed of a light-transmitting conductive material and disposed on the passivation layer so as to be electrically connected to the plurality of first pixel electrodes; an opposite electrode formed such that light is transmitted or reflected therethrough, and disposed opposite the plurality of first pixel electrodes and the second pixel electrode; and an organic layer interposed between the plurality of first pixel electrodes and the second pixel electrode, and including an emission layer.Type: GrantFiled: August 12, 2010Date of Patent: March 4, 2014Assignee: Samsung Display Co., Ltd.Inventors: Hee-Seong Jeong, Sung-Soo Koh, Chul-Woo Jeong, Soon-Ryong Park, Chi-Wook An, Moo-Soon Ko, Ok-Byoung Kim, Woo-Suk Jung, Il-Ryong Cho, Tae-Kyu Kim, Duk-Jin Lee
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Patent number: 8550667Abstract: An optical film capable of preventing reflection of external light, and an organic light emitting display (OLED) apparatus including the same, are disclosed. The optical film is disposed on a substrate of an organic light emitting display, and comprises a first substrate, a first electrode, a light emitting unit comprising a plurality of organic light emitting elements, and a second electrode sequentially formed on the first substrate. The second substrate concentrates light emitted from the light emitting unit so as to emit outward, and absorbs external light so as to prevent the external light from being reflected.Type: GrantFiled: January 6, 2011Date of Patent: October 8, 2013Assignee: Samsung Display Co., Ltd.Inventors: Tae-Kyu Kim, Soon-Ryong Park, Chul-Woo Jeong, Hee-Seong Jeong, Woo-Suk Jung, Il-Ryong Cho, Sung-Soo Koh, Jae-Yong Kim
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Patent number: 8502753Abstract: An organic light emitting diode display is disclosed. The display includes a first semitransparent electrode, an organic emissive layer placed on the first semitransparent electrode, a second semitransparent electrode placed on the organic emissive layer, and a first selective reflection layer placed on the second semitransparent electrode.Type: GrantFiled: October 13, 2010Date of Patent: August 6, 2013Assignee: Samsung Display Co., Ltd.Inventors: Hee-Seong Jeong, Sung-Soo Koh, Soon-Ryong Park, Woo-Suk Jung, Chul-Woo Jeong, Il-Ryong Cho, Tae-Kyu Kim, Jae-Yong Kim
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Patent number: 8481997Abstract: An organic light emitting display device including: a substrate; an organic light emitting device on the substrate to display an image; a sealing member on the organic light emitting device; a phase delay layer disposed on the substrate, the organic light emitting device, or the sealing member; a linear polarization layer disposed on the substrate, the organic light emitting device, the sealing member, or the phase delay layer and is located closer to a display surface of the organic light emitting display where the image is displayed than the organic light emitting device, the sealing member, and the phase delay layer are from the display surface; a multi-phase delay layer between the phase delay layer and the linear polarization layer; and a transmittance control layer disposed on the substrate, the organic light emitting device, the sealing member, the phase delay layer, the multi-phase delay layer, or the linear polarization layer.Type: GrantFiled: January 7, 2011Date of Patent: July 9, 2013Assignee: Samsung Display Co., Ltd.Inventors: Tae-Kyu Kim, Soon-Ryong Park, Chul-Woo Jeong, Woo-Suk Jung, Sung-Soo Koh, IL-Ryong Cho
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Patent number: 8390187Abstract: A polarizing plate including a polarizing film, a retardation film, and a color adhesive layer disposed between the polarizing film and the retardation film, and an organic light-emitting device including the polarizing plate. The color adhesive layer may include a first dye that absorbs a first light beam having a peak wavelength of about 470 to about 510 nm, a second dye that absorbs a second light beam having a peak wavelength of about 540 to about 610 nm, and a binder.Type: GrantFiled: August 24, 2010Date of Patent: March 5, 2013Assignee: Samsung Display Co., Ltd.Inventors: Wook-Suk Jung, Soon-Ryong Park, Chul-Woo Jeong, Hee-Seong Jeong, Tae-Kyu Kim, Sung-Soo Koh, Il-Ryong Cho
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Patent number: 8330338Abstract: A double-sided light-emitting display device includes optical layers having transmissive axes perpendicular to each other and polarizing members having polarization axes parallel with the transmissive axes of the optical layers. Thus, loss of internal light and reflection of external light are greatly reduced.Type: GrantFiled: January 14, 2011Date of Patent: December 11, 2012Assignee: Samsung Display Co., Ltd.Inventors: Hee-Seong Jeong, Sung-Soo Koh, Soon-Ryong Park, Woo-Suk Jung, Chul-Woo Jeong, Il-Ryong Cho, Tae-Kyu Kim
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Publication number: 20120097990Abstract: An organic light emitting diode (OLED) display according to an exemplary embodiment includes a display substrate on which a plurality of organic light emitting diodes are formed; a conducting material layer contacting one of electrodes included in the organic light emitting diode; an encapsulation substrate facing the display substrate; and an anti-reflective light transmission layer that is formed on a surface of the encapsulation substrate and is connected to the conducting material layer.Type: ApplicationFiled: September 24, 2011Publication date: April 26, 2012Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: Sung-Soo Koh, Chul-Woo Jeong, Tae-Gon Kim, Hee-Seong Jeong, Soon-Ryong Park, Woo-Suk Jung, Il-Ryong Cho, Tae-Kyu Kim, Jae-Yong Kim
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Publication number: 20120012828Abstract: An organic light-emitting device includes a substrate; an encapsulation substrate; an organic light-emitting unit interposed between the substrate and the encapsulation substrate; and a layer having an UV shielding capability interposed between the encapsulation substrate and the organic light-emitting unit.Type: ApplicationFiled: July 15, 2011Publication date: January 19, 2012Applicant: Samsung Mobile Display, Co., Ltd.Inventors: Sung-Soo Koh, Chul-Woo Jeong, Hee-Seong Jeong, Soon-Ryong Park, Woo-Suk Jung, Il-Ryong Cho, Tae-Kyu Kim, Jae-Yong Kim
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Publication number: 20110279895Abstract: A polarizing film, a polarizing plate, a method of preparing the polarizing film, and an organic light-emitting apparatus including the polarizing plate.Type: ApplicationFiled: March 8, 2011Publication date: November 17, 2011Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: Sung-Soo KOH, Soon-Ryong PARK, Chul-Woo JEONG, Hee-Seong JEONG, Woo-Suk JUNG, Il-Ryong CHO, Tae-Kyu KIM, Jae-Yong KIM
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Publication number: 20110273081Abstract: A visibility enhancing film includes a polymer film; and photonic crystals disposed within a hole formed in the polymer film, with each of the photonic crystals comprising colloidal particles. A method of forming the visibility enhancing film and an organic light emitting apparatus including the visibility enhancing film are also provided.Type: ApplicationFiled: March 31, 2011Publication date: November 10, 2011Applicant: Samsung Mobile Display Co., Ltd.Inventors: Sung-Soo Koh, Soon-Ryong Park, Chul-Woo Jeong, Hee-Seong Jeong, Woo-Suk Jung, Il-Ryong Cho, Tae-Kyu Kim, Jae-Yong Kim