Patents by Inventor Hyuk-Sang Jun
Hyuk-Sang Jun 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: 20220140290Abstract: A display device includes a substrate; a light-emitting element on the substrate; a capping layer on the light-emitting element; a first inorganic encapsulation layer on the capping layer; an organic encapsulation layer on the first inorganic encapsulation layer; and a second inorganic encapsulation layer on the organic encapsulation layer. The first inorganic encapsulation layer includes a first sub-inorganic encapsulation layer between the capping layer and the organic encapsulation layer, and a second sub-inorganic encapsulation layer between the first sub-inorganic encapsulation layer and the organic encapsulation layer.Type: ApplicationFiled: October 27, 2021Publication date: May 5, 2022Inventors: Chul Hyun CHOI, Min Jae KIM, Kyung Hee LEE, Suk Jin LEE, In Hwa LEE, Hyuk Sang JUN
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Patent number: 10615367Abstract: A display device includes: a substrate on which a display area and a non-display area are defined; a plurality of pixels disposed on the substrate in the display area; and an encapsulation layer disposed on the pixels to cover the pixels, where the encapsulation layer including a first region and a second region different from the first region. The encapsulation layers has a thickness in a range of 1.75 ?m to 4.0 ?m, and the ratio of a thickness of the second region of the encapsulation layer to a thickness of the first region of the encapsulation layer is in a range of 0.95 to 1.0.Type: GrantFiled: December 13, 2017Date of Patent: April 7, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chul Hyun Choi, Ji Hye Moon, Sun A Yang, Hyuk Sang Jun
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Patent number: 10593732Abstract: A light-emitting diode according to an exemplary embodiment includes: a first electrode; a second electrode overlapping the first electrode; an emission layer positioned between the first electrode and the second electrode; and a first capping layer positioned on the first electrode, wherein the first capping layer includes at least one among LiF, MgF2, AlF3, NaF, and AlOx, and a thickness of the first capping layer is 30 nm to 40 nm.Type: GrantFiled: March 28, 2018Date of Patent: March 17, 2020Assignee: Samsung Display Co., Ltd.Inventors: Chul Hyun Choi, Hyun Shik Lee, Hyuk Sang Jun
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Publication number: 20190043929Abstract: A light-emitting diode according to an exemplary embodiment includes: a first electrode; a second electrode overlapping the first electrode; an emission layer positioned between the first electrode and the second electrode; and a first capping layer positioned on the first electrode, wherein the first capping layer includes at least one among LiF, MgF2, AlF3, NaF, and AlOx, and a thickness of the first capping layer is 30 nm to 40 nm.Type: ApplicationFiled: March 28, 2018Publication date: February 7, 2019Inventors: Chul Hyun CHOI, Hyun Shik LEE, Hyuk Sang JUN
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Publication number: 20180254433Abstract: A display device includes: a substrate on which a display area and a non-display area are defined; a plurality of pixels disposed on the substrate in the display area; and an encapsulation layer disposed on the pixels to cover the pixels, where the encapsulation layer including a first region and a second region different from the first region. The encapsulation layers has a thickness in a range of 1.75 ?m to 4.0 ?m, and the ratio of a thickness of the second region of the encapsulation layer to a thickness of the first region of the encapsulation layer is in a range of 0.95 to 1.0.Type: ApplicationFiled: December 13, 2017Publication date: September 6, 2018Inventors: Chul Hyun CHOI, Ji Hye MOON, Sun A YANG, Hyuk Sang JUN
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Patent number: 10043451Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the display includes a substrate including a display area configured to display an image and a non-display area surrounding the display area. A plurality of OLEDs are positioned in the display area, each of the OLEDs including first and second electrodes spaced apart from each other. A plurality of pixel circuits are positioned in the display area, each of the pixel circuits including a plurality of thin film transistors (TFTs) and a node line electrically connected to at least two of the TFTs and at least partially overlapping the corresponding first electrode in the depth dimension of the OLED display so as to form a parasitic capacitor. The parasitic capacitor includes a first parasitic capacitor and a second parasitic capacitor, the first parasitic capacitor having a larger capacitance than that of the second parasitic capacitor.Type: GrantFiled: April 28, 2016Date of Patent: August 7, 2018Assignee: Samsung Display Co., Ltd.Inventors: Seong Min Lee, Hyo Min Kim, Ye Ji Lee, Hyuk Sang Jun
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Publication number: 20160321996Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the display includes a substrate including a display area configured to display an image and a non-display area surrounding the display area. A plurality of OLEDs are positioned in the display area, each of the OLEDs including first and second electrodes spaced apart from each other. A plurality of pixel circuits are positioned in the display area, each of the pixel circuits including a plurality of thin film transistors (TFTs) and a node line electrically connected to at least two of the TFTs and at least partially overlapping the corresponding first electrode in the depth dimension of the OLED display so as to form a parasitic capacitor. The parasitic capacitor includes a first parasitic capacitor and a second parasitic capacitor, the first parasitic capacitor having a larger capacitance than that of the second parasitic capacitor.Type: ApplicationFiled: April 28, 2016Publication date: November 3, 2016Inventors: Seong Min Lee, Hyo Min Kim, Ye Ji Lee, Hyuk Sang Jun
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Patent number: 9437844Abstract: A display device includes a substrate, a first electrode on the substrate, a pixel defining layer on the substrate, the pixel defining layer having an opening exposing the first electrode, a metal layer on the pixel defining layer, a light emission layer on the first electrode exposed by the opening, and a second electrode on the light emission layer in the opening. The metal layer contacts the second electrode.Type: GrantFiled: October 3, 2014Date of Patent: September 6, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seong-Min Lee, Sun-Hwa Kim, Hyun-Shik Lee, Hyo-min Kim, Hyuk-Sang Jun, Ju-kyung Jo
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Publication number: 20150243704Abstract: A display device includes a substrate, a first electrode on the substrate, a pixel defining layer on the substrate, the pixel defining layer having an opening exposing the first electrode, a metal layer on the pixel defining layer, a light emission layer on the first electrode exposed by the opening, and a second electrode on the light emission layer in the opening. The metal layer contacts the second electrode.Type: ApplicationFiled: October 3, 2014Publication date: August 27, 2015Inventors: Seong-Min LEE, Sun-Hwa KIM, Hyun-shik LEE, Hyo-min KIM, Hyuk-Sang JUN, Ju-kyung JO
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Patent number: 8878167Abstract: An organic light emitting diode lighting equipment includes a transparent substrate main body, a first electrode formed on the substrate main body, a subsidiary electrode formed on the first electrode to partition the first electrode at a predetermined distance, an organic emissive layer formed on the first electrode, and a second electrode formed on the organic emissive layer. The subsidiary electrode has an inclined lateral side facing toward the organic emissive layer.Type: GrantFiled: November 28, 2012Date of Patent: November 4, 2014Assignee: Samsung Display Co., Ltd.Inventors: Hyuk-Sang Jun, Ok-Keun Song, Young-Mo Koo, Jung-Ha Lee, Il-Hwa Hong
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Patent number: 8405119Abstract: An organic light emitting diode (OLED) lighting apparatus is disclosed. In one embodiment, the apparatus includes i) a substrate main body including a light emitting area and a sealing area surrounding the light emitting area, ii) an OLED disposed on the light emitting area of the substrate main body, iii) a sealant disposed on the sealing area of the substrate main body and iv) an encapsulation substrate encapsulating the OLED, wherein the encapsulation substrate comprises first and second surfaces opposing each other. The apparatus may further include a heat dissipating wire configured to dissipate heat generated by the OLED. The heat dissipating wire includes a heat absorption portion disposed on the first surface of the encapsulation substrate and contacting the sealant, a heat dissipating portion disposed on the second surface, and a coupling portion interconnecting the absorption portion and the heat dissipating portion.Type: GrantFiled: October 12, 2011Date of Patent: March 26, 2013Assignee: Samsung Display Co., Ltd.Inventors: Young-Mo Koo, Ok-Keun Song, Hyuk-Sang Jun, Yong-Han Lee, Jae-Goo Lee
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Patent number: 8389981Abstract: An organic light emitting diode lighting equipment includes a transparent substrate main body, a first electrode formed on the substrate main body, a subsidiary electrode formed on the first electrode to partition the first electrode at a predetermined distance, an organic emissive layer formed on the first electrode, and a second electrode formed on the organic emissive layer. The subsidiary electrode has an inclined lateral side facing toward the organic emissive layer.Type: GrantFiled: August 25, 2010Date of Patent: March 5, 2013Assignee: Samsung Display Co., Ltd.Inventors: Hyuk-Sang Jun, Ok-Keun Song, Young-Mo Koo, Jung-Ha Lee, Il-Hwa Hong
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Publication number: 20120261713Abstract: An organic light emitting diode (OLED) lighting apparatus is disclosed. In one embodiment, the apparatus includes i) a substrate main body including a light emitting area and a sealing area surrounding the light emitting area, ii) an OLED disposed on the light emitting area of the substrate main body, iii) a sealant disposed on the sealing area of the substrate main body and iv) an encapsulation substrate encapsulating the OLED, wherein the encapsulation substrate comprises first and second surfaces opposing each other. The apparatus may further include a heat dissipating wire configured to dissipate heat generated by the OLED. The heat dissipating wire includes a heat absorption portion disposed on the first surface of the encapsulation substrate and contacting the sealant, a heat dissipating portion disposed on the second surface, and a coupling portion interconnecting the absorption portion and the heat dissipating portion.Type: ApplicationFiled: October 12, 2011Publication date: October 18, 2012Applicant: Samsung Mobile Display Co., Ltd.Inventors: Young-Mo Koo, Ok-Keun Song, Hyuk-Sang Jun, Yong-Han Lee, Jae-Goo Lee
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Publication number: 20120119192Abstract: An organic light-emitting device includes a substrate; a first electrode disposed on the substrate; a hole transport layer disposed on the first electrode; an emitting layer disposed on the hole transport layer; and a second electrode disposed on the emitting layer, wherein an organic layer is interposed between the first electrode and the hole transport layer, the organic layer including at least one fluorine-containing compound selected from the group consisting of a fluorine-substituted phthalocyanine derivative, an aliphatic fluorocarbon compound represented by CxF(2x+2), CxF(2x?2), or CxF2x, where x is an integer of 1 to 500, an aromatic fluorocarbon compound represented by C6yF6y?2n, where y is an integer of 1 to 80, n is an integer of 0 to 80, and 6y?2n is a positive integer, and fluorinated fullerene. The organic light-emitting device can show high efficiency, a low driving voltage, high brightness, and a long lifetime.Type: ApplicationFiled: January 27, 2012Publication date: May 17, 2012Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: Tae-Shick KIM, Ok-Keun SONG, Hye-In JEONG, Young-Mo KOO, Hyuk-Sang JUN
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Patent number: 8154197Abstract: Provided is an organic light emitting diode display device which can improve brightness and color coordinate characteristics in all emission wavelength ranges, and thus can enhance light extraction efficiency and color reproducibility. The organic light emitting diode display device includes a substrate, a first electrode disposed on the substrate, an organic layer disposed on the first electrode and having an emission layer, a second electrode disposed on the organic layer, and first and second refraction layers. A stack of the first and second refraction layers is disposed either between the first electrode and the substrate or on the second electrode. A refractive index of the first refraction layer is smaller than a refractive index of the second refraction layer. A thickness of the first refraction layer is no greater than 100 nm.Type: GrantFiled: June 3, 2009Date of Patent: April 10, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Hyuk-Sang Jun, Ok-Keun Song, Hye-In Jeong, Young-Mo Koo
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Patent number: 8040055Abstract: An organic light emitting diode (OLED) display device for displaying a white color using a first color and a second color that are complementary to each other. The OLED display device includes a substrate, a lower electrode on the substrate in a first direction, a first organic layer on a first region of the lower electrode and having a first EML for displaying a first color, a second organic layer on a second region of the lower electrode and having a second EML for displaying a second color that is complementary to the first color, and an upper electrode disposed on the first and second organic layers in a second direction crossing the first direction, wherein the first organic layer has a different thickness from the second organic layer. In addition, a thin film transistor (TFT) may disposed between the substrate and the lower electrode.Type: GrantFiled: April 21, 2009Date of Patent: October 18, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Young-Mo Koo, Oh-Keun Song, Hye-In Jeong, Hyuk-Sang Jun, Tae-Shick Kim, Seon-Hee Kim
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Patent number: 7982398Abstract: A backlight unit for a liquid crystal display device (LCD), and an LCD including the same are disclosed. One embodiment of the backlight unit includes an organic light emitting element in which the efficiency of light extraction is improved without decreasing productivity to achieve high brightness and a low consumption power. The backlight unit includes a substrate, an organic light emitting element formed on the substrate, and an encapsulating member attached to the substrate to enclose the organic light emitting element. The backlight unit further includes a scattering film on one of surfaces of the substrate, the organic light emitting element and the encapsulating member to prevent light emitting from the organic light emitting element from being totally reflected.Type: GrantFiled: April 4, 2007Date of Patent: July 19, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Young-Mo Koo, Doo-Hwan Kim, Hyuk-Sang Jun, Tae-Shick Kim, Hye-In Jeong, Ok-Keun Song
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Publication number: 20110121342Abstract: An organic light emitting diode lighting apparatus includes: a substrate; a semi-transmissive resonance layer formed on the substrate and including multilayer films having different refractive indexes; a first electrode formed on the semi-transmissive resonance layer; a first emission layer formed on the first electrode; a second emission layer formed on the first emission layer and emitting light of a different color from that emitted by the first emission layer; and a second electrode formed on the second emission layer.Type: ApplicationFiled: November 24, 2010Publication date: May 26, 2011Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: Hyuk-Sang JUN, Ok-Keun SONG, Young-Mo KOO, Il-Hwa HONG, Jung-Ha LEE
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Publication number: 20110049493Abstract: An organic light emitting diode lighting equipment includes a transparent substrate main body, a first electrode formed on the substrate main body, a subsidiary electrode formed on the first electrode to partition the first electrode at a predetermined distance, an organic emissive layer formed on the first electrode, and a second electrode formed on the organic emissive layer. The subsidiary electrode has an inclined lateral side facing toward the organic emissive layer.Type: ApplicationFiled: August 25, 2010Publication date: March 3, 2011Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: Hyuk-Sang Jun, Ok-Keun Song, Young-Mo Koo, Jung-Ha Lee, Il-Hwa Hong
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Publication number: 20090302750Abstract: Provided is an organic light emitting diode display device which can improve brightness and color coordinate characteristics in all emission wavelength ranges, and thus can enhance light extraction efficiency and color reproducibility. The organic light emitting diode display device includes a substrate, a first electrode disposed on the substrate, an organic layer disposed on the first electrode and having an emission layer, a second electrode disposed on the organic layer, and first and second refraction layers. A stack of the first and second refraction layers is disposed either between the first electrode and the substrate or on the second electrode. A refractive index of the first refraction layer is smaller than a refractive index of the second refraction layer. A thickness of the first refraction layer is no greater than 100 nm.Type: ApplicationFiled: June 3, 2009Publication date: December 10, 2009Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: HYUK-SANG JUN, OK-KEUN SONG, HYE-IN JEONG, YOUNG-MO KOO