Patents by Inventor Hyun-Sung Bang
Hyun-Sung Bang 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: 9601552Abstract: An organic light emitting display panel and associated methods, the panel including a substrate; an organic light emitting diode (OLED) on the substrate; and an encapsulation member to separate the OLED from an external environment, wherein the OLED includes a first electrode on the substrate; a pixel defining layer exposing the first electrode and including a flat planar surface and an inclined planar surface extending from the flat planar surface such that the inclined planar surface overlaps an edge of the first electrode; an organic layer, the organic layer including a first region on the first electrode and a second region on the inclined planar surface; and a second electrode on the organic layer, and wherein, in the second region, a thickness of the organic layer is decreased along a direction extending away from the first region.Type: GrantFiled: January 8, 2016Date of Patent: March 21, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Duck Jung Lee, Jung Sun Park, Hyun Sung Bang, Ji Young Choung
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Patent number: 9583709Abstract: A mask for forming an organic layer pattern, the mask including a photomask having a first substrate and a reflecting layer on the first substrate; and a donor substrate on the photomask and separated therefrom, the donor substrate including a second substrate and an absorption part on the second substrate, wherein the photomask comprises a reflecting part configured to reflect light incident to the photomask and a light concentrating part configured to concentrate the light and transmit the light to the donor substrate.Type: GrantFiled: November 4, 2014Date of Patent: February 28, 2017Assignee: Samsung Display Co., Ltd.Inventors: Hyun Sung Bang, Jae Sik Kim, Yeon Hwa Lee, Joon Gu Lee, Ji Young Choung, Jin Baek Choi, Kyu Hwan Hwang, Young Woo Song
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Patent number: 9560696Abstract: A thermal treatment method for a display apparatus includes providing an acceptor substrate on a substrate stage, providing on the acceptor substrate a pattern mask including a transfer layer, irradiating a flash light beam onto the pattern mask from a plurality of flash lamps, and transferring the transfer layer to the acceptor substrate. The plurality of flash lamps are symmetrically provided with respect to the acceptor substrate and are configured to irradiate flash light beams.Type: GrantFiled: November 6, 2014Date of Patent: January 31, 2017Assignee: Samsung Display Co., Ltd.Inventors: Jae-Sik Kim, Hyun-Sung Bang, Sung-Soon Im, Ji-Young Choung, Kyu-Hwan Hwang
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Patent number: 9525151Abstract: Provided is an organic light emitting device including a nano composite layer. The organic light emitting device adopts a nano composite layer including an insulator and light emitting nano-particles within a device, thereby simultaneously insulating a control electrode and changing the color of light emitted from a light emitting layer, thereby improving external quantum efficiency. Further, the amount of electron holes and electrons injected into the light emitting layer may be adjusted through a voltage applied to the control electrode so as to secure a stable current when the device is operated. In addition, when compared to a conventional light emitting device, the surface area of positive and negative electrodes may be reduced so as to reduce reflectance with respect to external light.Type: GrantFiled: June 15, 2012Date of Patent: December 20, 2016Assignees: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY, TOP ENGINEERING CO., LTDInventors: Tae Whan Kim, Hyun Sung Bang, Dong Chul Choo
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Publication number: 20160336382Abstract: An organic light emitting display panel and associated methods, the panel including a substrate; an organic light emitting diode (OLED) on the substrate; and an encapsulation member to separate the OLED from an external environment, wherein the OLED includes a first electrode on the substrate; a pixel defining layer exposing the first electrode and including a flat planar surface and an inclined planar surface extending from the flat planar surface such that the inclined planar surface overlaps an edge of the first electrode; an organic layer, the organic layer including a first region on the first electrode and a second region on the inclined planar surface; and a second electrode on the organic layer, and wherein, in the second region, a thickness of the organic layer is decreased along a direction extending away from the first region.Type: ApplicationFiled: January 8, 2016Publication date: November 17, 2016Inventors: Duck Jung LEE, Jung Sun PARK, Hyun Sung BANG, Ji Young CHOUNG
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Publication number: 20160248050Abstract: Disclosed is a deposition apparatus including: a deposition source heating a deposition material filled therein to vaporize the deposition material and including a plurality of nozzles spraying the vaporized deposition material toward a counter substrate; and a structure disposed between the deposition source and the substrate and including a plurality of angle adjustment plates arranged to have an opening in order to guide a movement direction of the deposition material sprayed from the nozzles, in which the angle adjustment plate is subjected to coating treatment by a self-assembled monolayer (SAM). Thereby, when a continuous deposition operation is performed, an organic material is not stacked on a structure such as an angle limitation plate or the angle adjustment plate.Type: ApplicationFiled: January 25, 2016Publication date: August 25, 2016Inventors: Jae Sik KIM, Hyun Sung BANG, Kyu Hwan HWANG
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Patent number: 9425426Abstract: In an aspect, an organic light emitting diode display including: a substrate; a first electrode and an auxiliary electrode positioned on the substrate and separated from each other; an absorption electrode positioned on the auxiliary electrode; an organic emission layer positioned on the first electrode and having a contact hole exposing the auxiliary electrode and the absorption electrode; and a second electrode positioned on the organic emission layer and connected to the auxiliary electrode and the absorption electrode through the contact hole is provided. In an aspect, the organic light emitting diode (OLED) display may minimize the voltage drop of the driving power passing through the large-sized electrode of the thin film for driving the organic emission layer, and may simplify the removal process of the organic emission layer on the auxiliary electrode by adding the absorption electrode on the auxiliary electrode.Type: GrantFiled: September 11, 2015Date of Patent: August 23, 2016Assignee: Samsung Display Co., Ltd.Inventors: Jin Baek Choi, Hyun Sung Bang, Yeon Hwa Lee, Joon Gu Lee, Ji Young Choung, Young Woo Song
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Publication number: 20150380676Abstract: In an aspect, an organic light emitting diode display including: a substrate; a first electrode and an auxiliary electrode positioned on the substrate and separated from each other; an absorption electrode positioned on the auxiliary electrode; an organic emission layer positioned on the first electrode and having a contact hole exposing the auxiliary electrode and the absorption electrode; and a second electrode positioned on the organic emission layer and connected to the auxiliary electrode and the absorption electrode through the contact hole is provided. In an aspect, the organic light emitting diode (OLED) display may minimize the voltage drop of the driving power passing through the large-sized electrode of the thin film for driving the organic emission layer, and may simplify the removal process of the organic emission layer on the auxiliary electrode by adding the absorption electrode on the auxiliary electrode.Type: ApplicationFiled: September 11, 2015Publication date: December 31, 2015Inventors: Jin Baek Choi, Hyun Sung Bang, Yeon Hwa Lee, Joon Gu Lee, Ji Young Choung, Young Woo Song
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Publication number: 20150372259Abstract: A thermal treatment method for a display apparatus includes providing an acceptor substrate on a substrate stage, providing on the acceptor substrate a pattern mask including a transfer layer, irradiating a flash light beam onto the pattern mask from a plurality of flash lamps, and transferring the transfer layer to the acceptor substrate. The plurality of flash lamps are symmetrically provided with respect to the acceptor substrate and are configured to irradiate flash light beams.Type: ApplicationFiled: November 6, 2014Publication date: December 24, 2015Inventors: Jae-Sik Kim, Hyun-Sung Bang, Sung-Soon Im, Ji-Young Choung, Kyu-Hwan Hwang
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Patent number: 9159946Abstract: In an aspect, an organic light emitting diode display including: a substrate; a first electrode and an auxiliary electrode positioned on the substrate and separated from each other; an absorption electrode positioned on the auxiliary electrode; an organic emission layer positioned on the first electrode and having a contact hole exposing the auxiliary electrode and the absorption electrode; and a second electrode positioned on the organic emission layer and connected to the auxiliary electrode and the absorption electrode through the contact hole is provided. In an aspect, the organic light emitting diode (OLED) display may minimize the voltage drop of the driving power passing through the large-sized electrode of the thin film for driving the organic emission layer, and may simplify the removal process of the organic emission layer on the auxiliary electrode by adding the absorption electrode on the auxiliary electrode.Type: GrantFiled: March 11, 2014Date of Patent: October 13, 2015Assignee: Samsung Display Co., Ltd.Inventors: Jin Baek Choi, Hyun Sung Bang, Yeon Hwa Lee, Joon Gu Lee, Ji Young Choung, Young Woo Song
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Publication number: 20150270486Abstract: A mask for forming an organic layer pattern, the mask including a photomask having a first substrate and a reflecting layer on the first substrate; and a donor substrate on the photomask and separated therefrom, the donor substrate including a second substrate and an absorption part on the second substrate, wherein the photomask comprises a reflecting part configured to reflect light incident to the photomask and a light concentrating part configured to concentrate the light and transmit the light to the donor substrate.Type: ApplicationFiled: November 4, 2014Publication date: September 24, 2015Inventors: Hyun Sung Bang, Jae Sik Kim, Yeon Hwa Lee, Joon Gu Lee, Ji Young Choung, Jin Baek Choi, Kyu Hwan Hwang, Young Woo Song
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Patent number: 9130194Abstract: A donor substrate includes: a support layer; a first light absorption layer disposed on the support layer; a buffer layer disposed on the first absorption layer; a second light absorption layer disposed on the buffer layer; and a transfer layer disposed on the second absorption layer, wherein the buffer layer includes a transparent oxide film.Type: GrantFiled: December 19, 2013Date of Patent: September 8, 2015Assignee: Samsung Display Co., Ltd.Inventors: Yeon-Hwa Lee, Kwan-Hyun Cho, Ji-Young Choung, Joon-Gu Lee, Jin-Baek Choi, Hyun-Sung Bang, Young-Woo Song
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Publication number: 20150132875Abstract: A mask for forming a layer, a method of forming a layer, and a manufacturing method of an organic light-emitting diode (OLED) display are disclosed. In one aspect, the mask includes at least one light absorption portion and at least one reflection portion that are formed in a unit region, the unit region corresponding to a region where a continuous layer is formed, wherein the light absorption portion and the reflection portion in the unit region are formed at different areas from each other.Type: ApplicationFiled: May 28, 2014Publication date: May 14, 2015Applicant: Samsung Display Co., Ltd.Inventors: Yeon Hwa LEE, Hyun Sung BANG, Joon Gu LEE, Ji Young CHOUNG, Jin Baek CHOI, Kyu Hwan HWANG, Young Woo SONG
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Publication number: 20150102294Abstract: In an aspect, an organic light emitting diode display including: a substrate; a first electrode and an auxiliary electrode positioned on the substrate and separated from each other; an absorption electrode positioned on the auxiliary electrode; an organic emission layer positioned on the first electrode and having a contact hole exposing the auxiliary electrode and the absorption electrode; and a second electrode positioned on the organic emission layer and connected to the auxiliary electrode and the absorption electrode through the contact hole is provided. In an aspect, the organic light emitting diode (OLED) display may minimize the voltage drop of the driving power passing through the large-sized electrode of the thin film for driving the organic emission layer, and may simplify the removal process of the organic emission layer on the auxiliary electrode by adding the absorption electrode on the auxiliary electrode.Type: ApplicationFiled: March 11, 2014Publication date: April 16, 2015Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Jin Baek Choi, Hyun Sung Bang, Yeon Hwa Lee, Joon Gu Lee, Ji Young Choung, Young Woo Song
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Patent number: 9005997Abstract: Provided are a magneto resistive element and a method of manufacturing the same, and in particular, a magneto resistive element and a method of manufacturing the same that may be applied to a digitizer sensing panel. The magneto resistive element includes a substrate, a first electrode disposed on the substrate, a first hole transport layer disposed on the first electrode, a first magneto resistive layer disposed on the first hole transport layer, wherein the first magneto resistive layer comprises an organic material, a first transport layer disposed on the first magneto resistive layer, a second magneto resistive layer disposed on the first transport layer, wherein the second magneto resistive layer comprises an organic material, a first electron transport layer disposed on the second magneto resistive layer, and a second electrode disposed on the first electron transport layer.Type: GrantFiled: September 10, 2013Date of Patent: April 14, 2015Assignee: Samsung Display Co., Ltd.Inventors: Hyun-Sung Bang, Won-Jong Kim, Ji-Young Choung, Joon-Gu Lee, Jin-Baek Choi, Yeon-Hwa Lee
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Publication number: 20150014658Abstract: Disclosed are an organic light emitting diode display and a method for manufacturing the same. The organic light emitting diode display includes: a driving switching element; a pixel electrode connected with the driving switching element; an auxiliary electrode separated from the pixel electrode and positioned in a same layer as the pixel electrode; an organic common layer positioned on the pixel electrode and the auxiliary electrode and including a contact hole positioned on the auxiliary electrode; and a common electrode positioned on the organic common layer and connected with the auxiliary electrode through the contact hole; and the auxiliary electrode includes a light absorbing layer.Type: ApplicationFiled: May 20, 2014Publication date: January 15, 2015Inventors: Ji Young CHOUNG, Hyun Sung BANG, Joon Gu LEE, Jin Baek CHOI, Yeon Hwa LEE
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Publication number: 20150014643Abstract: A donor substrate includes: a support layer; a first light absorption layer disposed on the support layer; a buffer layer disposed on the first absorption layer; a second light absorption layer disposed on the buffer layer; and a transfer layer disposed on the second absorption layer, wherein the buffer layer includes a transparent oxide film.Type: ApplicationFiled: December 19, 2013Publication date: January 15, 2015Applicant: Samsung Display Co., Ltd.Inventors: Yeon-Hwa Lee, Kwan-Hyun Cho, Ji-Young Choung, Joon-Gu Lee, Jin-Baek Choi, Hyun-Sung Bang, Young-Woo Song
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Patent number: 8928217Abstract: Disclosed is an organic light emitting display device improving light efficiency by forming a metal layer having a nanometer thickness on a protective layer formed in order to protect the organic light emitting diode.Type: GrantFiled: March 15, 2013Date of Patent: January 6, 2015Assignee: Samsung Display Co., Ltd.Inventors: Ji-Young Choung, Hyun-Sung Bang, Yeon-Hwa Lee, Joon-Gu Lee, Jin-Baek Choi, Won-Jong Kim, Young-Woo Song, Jong-Hyuk Lee
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Publication number: 20150001495Abstract: A donor substrate for transfer and a manufacturing method of an organic light emitting diode (OLED) display, the donor substrate including a transparent support layer; a light-to-heat conversion layer on one side of the support layer, the light to heat conversion layer being in the form of a first pattern; a transfer layer covering the light-to-heat conversion layer; and a reflection layer on another side of the support layer, the other side being opposite to the one side of the support layer, the reflection layer being in the form of a second pattern.Type: ApplicationFiled: May 13, 2014Publication date: January 1, 2015Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Ji-Young CHOUNG, Hyun-Sung BANG, Yeon-Hwa LEE, Joon-Gu LEE, Jin-Baek CHOI, Young-Woo SONG, Jong-Hyuk LEE
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Publication number: 20140361261Abstract: An organic light-emitting display apparatus includes a substrate, a thin film transistor (TFT) disposed on the substrate and including an active layer, a gate electrode, a source electrode, and a drain electrode The organic light-emitting display apparatus further includes a pixel electrode including a first pixel electrode layer, a second pixel electrode layer disposed on the first pixel electrode layer and a third pixel electrode layer disposed on the second pixel electrode layer. The second pixel electrode layer is a metal layer and the third pixel electrode layer is a reflective layer. The organic light-emitting display apparatus further includes an emission layer (EML) disposed on the pixel electrode, and an opposite layer disposed on the EML.Type: ApplicationFiled: October 29, 2013Publication date: December 11, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: JIN-BAEK CHOI, JI-YOUNG CHOUNG, YEON-HWA LEE, WON-JONG KIM, HYUN-SUNG BANG, JOON-GU LEE