Patents by Inventor Eun-Hyun Kim
Eun-Hyun Kim 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: 9373669Abstract: An organic light-emitting display device, which may be configured to prevent moisture or oxygen from penetrating the organic light-emitting display device from the outside is disclosed. An organic light-emitting display device, which is easily applied to a large display device and/or may be easily mass produced is further disclosed. Additionally disclosed is a method of manufacturing an organic light-emitting display device. An organic light-emitting display device may include, for example, a thin-film transistor (TFT) including a gate electrode, an active layer insulated from the gate electrode, source and drain electrodes insulated from the gate electrode and contacting the active layer and an insulating layer disposed between the source and drain electrodes and the active layer; and an organic light-emitting diode electrically connected to the TFT.Type: GrantFiled: July 31, 2015Date of Patent: June 21, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun-Joong Chung, Jin-Seong Park, Jong-Han Jeong, Jae-Kyeong Jeong, Yeon-Gon Mo, Min-Kyu Kim, Tae-Kyung Ahn, Hui-Won Yang, Kwang-Suk Kim, Eun-Hyun Kim, Jae-Wook Kang, Jang-Soon Im
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Publication number: 20160118503Abstract: A semiconductor device may include a substrate, a gate electrode disposed on the substrate, a gate insulation layer disposed on the substrate to cover the gate electrode, an active layer including an oxide semiconductor disposed on the gate insulation layer, an insulating interlayer disposed on the gate insulation layer to cover the active layer, a protection structure including a plurality of metal oxide layers disposed on the insulating interlayer, and a source electrode and a drain electrode disposed on the protection structure.Type: ApplicationFiled: September 1, 2015Publication date: April 28, 2016Inventors: Je-Hun LEE, Eun-Hyun KIM, Sang-Won SHIN, Eun-Young LEE
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Publication number: 20150340417Abstract: An organic light-emitting display device, which may be configured to prevent moisture or oxygen from penetrating the organic light-emitting display device from the outside is disclosed. An organic light-emitting display device, which is easily applied to a large display device and/or may be easily mass produced is further disclosed. Additionally disclosed is a method of manufacturing an organic light-emitting display device. An organic light-emitting display device may include, for example, a thin-film transistor (TFT) including a gate electrode, an active layer insulated from the gate electrode, source and drain electrodes insulated from the gate electrode and contacting the active layer and an insulating layer disposed between the source and drain electrodes and the active layer; and an organic light-emitting diode electrically connected to the TFT.Type: ApplicationFiled: July 31, 2015Publication date: November 26, 2015Inventors: Hyun-Joong CHUNG, Jin-Seong PARK, Jong-Han JEONG, Jae-Kyeong JEONG, Yeon-Gon MO, Min-Kyu KIM, Tae-Kyung AHN, Hui-Won YANG, Kwang-Suk KIM, Eun-Hyun KIM, Jae-Wook KANG, Jang-Soon IM
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Publication number: 20150236044Abstract: A thin film transistor array panel includes: a substrate; gate lines on the substrate, each of the gate lines including a gate electrode; a semiconductor layer on the substrate; an etching stopper on the semiconductor layer; a data wiring layer on the substrate and including a data line, a source electrode connected to the data line, and a drain electrode; and a passivation layer covering the source electrode, the drain electrode, and the etching stopper, where the etching stopper includes an etching prevention portion between the source electrode and the drain electrode, a shortest distance A between an upper side and a lower side of an overlap area where the etching prevention portion and the semiconductor layer overlap one another is represented by a straight line in a plane view, and a width of a channel portion of the semiconductor layer is greater than the shortest distance A.Type: ApplicationFiled: August 22, 2014Publication date: August 20, 2015Inventor: Eun Hyun Kim
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Patent number: 9105862Abstract: An organic light-emitting display device, which may be configured to prevent moisture or oxygen from penetrating the organic light-emitting display device from the outside is disclosed. An organic light-emitting display device, which is easily applied to a large display device and/or may be easily mass produced is further disclosed. An organic light-emitting display device may include, for example, a thin-film transistor (TFT) including a gate electrode, an active layer insulated from the gate electrode, source and drain electrodes insulated from the gate electrode and contacting the active layer and an insulating layer disposed between the source and drain electrodes and the active layer; and an organic light-emitting diode electrically connected to the TFT. The insulating layer may include, for example, a first insulating layer contacting the active layer; and a second insulating layer formed of a metal oxide and disposed on the first insulating layer.Type: GrantFiled: August 26, 2013Date of Patent: August 11, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun-Joong Chung, Jin-Seong Park, Jong-Han Jeong, Jae-Kyeong Jeong, Yeong-Gon Mo, Min-Kyu Kim, Tae-Kyung Ahn, Hui-Won Yang, Kwang-Suk Kim, Eun-Hyun Kim, Jae-Wook Kang, Jang-Soon Im
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Publication number: 20150194530Abstract: A thin film transistor includes a gate electrode on a substrate, a gate insulating layer on the gate electrode, a semiconductor layer on the gate insulating layer, the semiconductor layer overlapping at least a portion of the gate electrode, a plurality of etch stoppers on the semiconductor layer, and a source electrode and a drain electrode spaced apart from each other and disposed on the etch stoppers and the semiconductor layer, wherein a plurality of channel regions are defined in the semiconductor layer by the etch stoppers on the semiconductor layer.Type: ApplicationFiled: June 26, 2014Publication date: July 9, 2015Inventor: Eun-Hyun KIM
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Patent number: 8785922Abstract: A thin film transistor (TFT) including a substrate; a gate electrode formed over the substrate, an active layer insulated from the gate electrode by using a gate insulation film; an etch stop layer which is formed over the active layer and includes first and second holes for exposing the active layer; a first electrode; and a second electrode including a first part and a second part. The first part is formed over the etch stop layer, and the second part is received in the second hole, contacts the active layer directly, and connects the first part to the active layer. At least one portion of the first part of the second electrode overlaps with the gate electrode. The second part of the second electrode does not overlap with and is separated from the gate electrode.Type: GrantFiled: March 8, 2012Date of Patent: July 22, 2014Assignee: Samsung Display Co., Ltd.Inventors: Hui-Won Yang, Eun-Hyun Kim
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Publication number: 20140176518Abstract: A display method and a display device for optimizing screen brightness of a mobile terminal are provided. The display method includes: determining an external illuminance value based on a sensor signal by detecting by the sensor signal for determining a brightness value of a screen; determining the brightness value of the screen corresponding to the external illuminance value; and outputting an image signal by using the brightness value of the screen.Type: ApplicationFiled: December 26, 2013Publication date: June 26, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Byung-Seok MIN, Yong KIM, Eun-Hyun KIM, Jong-Man KIM, Jong-Ho KIM, Se-Hyeok PARK, Jeong-Hoon PARK, Hyun-Hee PARK, Min-Woo LEE, Ji-Young YI
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Publication number: 20130341614Abstract: An organic light-emitting display device, which may be configured to prevent moisture or oxygen from penetrating the organic light-emitting display device from the outside is disclosed. An organic light-emitting display device, which is easily applied to a large display device and/or may be easily mass produced is further disclosed. Additionally disclosed is a method of manufacturing an organic light-emitting display device. An organic light-emitting display device may include, for example, a thin-film transistor (TFT) including a gate electrode, an active layer insulated from the gate electrode, source and drain electrodes insulated from the gate electrode and contacting the active layer and an insulating layer disposed between the source and drain electrodes and the active layer; and an organic light-emitting diode electrically connected to the TFT.Type: ApplicationFiled: August 26, 2013Publication date: December 26, 2013Inventors: Hyun-Joong CHUNG, Jin-Seong PARK, Jong-Han JEONG, Jae-Kyeong JEONG, Yeon-Gon MO, Min-Kyu KIM, Tae-Kyung AHN, Hui-Won YANG, Kwang-Suk KIM, Eun-Hyun KIM, Jae-Wook KANG, Jae-Soon IM
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Publication number: 20130277660Abstract: An oxide semiconductor thin film transistor and a flat panel display device incorporating the same oxide semiconductor thin film transistor. The thin film transistor includes a gate electrode formed on the substrate, a gate insulating layer formed on the substrate and covering the gate electrode, an oxide semiconductor layer formed on the gate insulating layer and covering the gate electrode, a titanium layer formed in a source region and a drain region of the oxide semiconductor layer, and source and drain electrodes respectively coupled to the source region and the drain region through the titanium layer and made of copper. The titanium layer reduces the contact resistance between the source and drain electrodes made of copper and the oxide semiconductor layer, forms a stable interface junction therebetween, and blocks a diffusion of copper.Type: ApplicationFiled: June 20, 2013Publication date: October 24, 2013Inventors: Jin-Seong Park, Yeon-Gon Mo, Jae-Kyeong Jeong, Min-Kyu Kim, Hyun-Joong Chung, Tae-Kyung Ahn, Eun-Hyun Kim
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Patent number: 8546175Abstract: Disclosed is a method of manufacturing an organic light-emitting display device. An organic light-emitting display device may include, for example, a thin-film transistor (TFT) including a gate electrode, an active layer insulated from the gate electrode, source and drain electrodes insulated from the gate electrode and contacting the active layer and an insulating layer disposed between the source and drain electrodes and the active layer; and an organic light-emitting diode electrically connected to the TFT. The insulating layer may include, for example, a first insulating layer contacting the active layer; and a second insulating layer formed of a metal oxide and disposed on the first insulating layer.Type: GrantFiled: November 15, 2012Date of Patent: October 1, 2013Assignee: Samsung Display Co., Ltd.Inventors: Hyun-Joong Chung, Jin-Seong Park, Jong-Han Jeong, Jae-Kyeong Jeong, Yeon-Gon Mo, Min-Kyu Kim, Tae-Kyung Ahn, Hui-Won Yang, Kwang-Suk Kim, Eun-Hyun Kim, Jae-Wook Kang, Jae-Soon Im
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Patent number: 8507911Abstract: A thin film transistor (TFT) and an organic light emitting display apparatus are provided. The TFT includes: a substrate; a gate electrode on the substrate; an active layer insulated from the gate electrode; source/drain electrodes electrically connected to the active layer; a first insulating film on the source/drain electrodes; a light blocking layer on the first insulating film; and a second insulating film on the light blocking layer.Type: GrantFiled: November 10, 2010Date of Patent: August 13, 2013Assignee: Samsung Display Co., Ltd.Inventors: Eun-Hyun Kim, Jong-Han Jeong, Yeon-Gon Mo
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Patent number: 8502230Abstract: An organic light-emitting display is disclosed. In one embodiment, the display includes i) a substrate, ii) a thin film transistor formed on the substrate, and comprising i) a gate electrode, ii) an active layer electrically insulated from the gate electrode, and iii) source and drain electrodes that are electrically connected to the active layer and iii) a first electrode electrically connected to the thin film transistor. The display further includes an intermediate layer formed on the first electrode and comprising an organic emission layer and a second electrode formed on the intermediate layer, wherein the source electrode or the drain electrode has an optical blocking portion extending in the direction of substrate thickness.Type: GrantFiled: March 23, 2011Date of Patent: August 6, 2013Assignee: Samsung Display Co., Ltd.Inventors: Jong-Han Jeong, Steve Y.G. Mo, Eun-Hyun Kim, Hyun-Sun Park
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Patent number: 8330150Abstract: An organic light-emitting display device, which may be configured to prevent moisture or oxygen from penetrating the organic light-emitting display device from the outside is disclosed. An organic light-emitting display device, which is easily applied to a large display device and/or may be easily mass produced is further disclosed. Additionally disclosed is a method of manufacturing an organic light-emitting display device. An organic light-emitting display device may include, for example, a thin-film transistor (TFT) including a gate electrode, an active layer insulated from the gate electrode, source and drain electrodes insulated from the gate electrode and contacting the active layer and an insulating layer disposed between the source and drain electrodes and the active layer; and an organic light-emitting diode electrically connected to the TFT.Type: GrantFiled: July 1, 2010Date of Patent: December 11, 2012Assignee: Samsung Display Co., Ltd.Inventors: Hyun-Joong Chung, Jin-Seong Park, Jong-Han Jeong, Jae-Kyeong Jeong, Yeong-Gon Mo, Min-Kyu Kim, Tae-Kyung Ahn, Hui-Won Yang, Kwang-Suk Kim, Eun-Hyun Kim, Jae-Wook Kang, Jae-Soon Im
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Patent number: 8324629Abstract: An organic light emitting display device and a method of manufacturing the device are disclosed. The method includes forming a layer over an oxide semiconductor layer to protect the oxide semiconductor layer from damage as further layers are formed and etched.Type: GrantFiled: August 2, 2010Date of Patent: December 4, 2012Assignee: Samsung Display Co., Ltd.Inventors: Jong-Han Jeong, Eun-Hyun Kim, Jae-Wook Kang, Min-Kyu Kim, Yeon-Gon Mo
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Publication number: 20120256176Abstract: A thin film transistor (TFT) including a substrate; a gate electrode formed over the substrate, an active layer insulated from the gate electrode by using a gate insulation film; an etch stop layer which is formed over the active layer and includes first and second holes for exposing the active layer; a first electrode; and a second electrode including a first part and a second part. The first part is formed over the etch stop layer, and the second part is received in the second hole, contacts the active layer directly, and connects the first part to the active layer. At least one portion of the first part of the second electrode overlaps with the gate electrode. The second part of the second electrode does not overlap with and is separated from the gate electrode.Type: ApplicationFiled: March 8, 2012Publication date: October 11, 2012Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: Hui-Won Yang, Eun-Hyun Kim
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Patent number: 8283671Abstract: A thin film transistor, a method of fabricating the same, and an organic light emitting diode display device including the same, which allow a size of a grain of a channel region to be increased, can effectively protect the channel region of a semiconductor layer at the time of etching process, and can reduce processing cost. The thin film transistor includes a substrate, a gate electrode disposed on the substrate, a gate insulating layer disposed on the gate electrode, a semiconductor layer pattern disposed on the gate insulating layer and including a channel region, a source region and a drain region, an etch stop layer pattern disposed on the channel region of the semiconductor layer pattern and having a thickness of 20 to 60 nm, and source and drain electrodes disposed on the source and drain regions of the semiconductor layer pattern, respectively.Type: GrantFiled: May 20, 2009Date of Patent: October 9, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Eun-Hyun Kim, Jae-Seob Lee, Dong-Un Jin
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Patent number: 8227804Abstract: An organic light-emitting display device including: a gate electrode formed on a substrate; a first insulating layer formed on the gate electrode; an active layer formed on the first insulating layer, facing the gate electrode; a second insulating layer formed on the first insulating layer, having first openings to expose the active layer; source/drain electrodes formed on the second insulating layer, so as to be connected to exposed portions of the active layer through the first openings; and a metal layer formed on the active layer and contacting the second insulating layer.Type: GrantFiled: February 9, 2011Date of Patent: July 24, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Huiwon Yang, Ki-Ju Im, Chaun-Gi Choi, Eun-Hyun Kim, Steve Y. G. Mo
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Publication number: 20110297948Abstract: An organic light-emitting display is disclosed. In one embodiment, the display includes i) a substrate, ii) a thin film transistor formed on the substrate, and comprising i) a gate electrode, ii) an active layer electrically insulated from the gate electrode, and iii) source and drain electrodes that are electrically connected to the active layer and iii) a first electrode electrically connected to the thin film transistor. The display further includes an intermediate layer formed on the first electrode and comprising an organic emission layer and a second electrode formed on the intermediate layer, wherein the source electrode or the drain electrode has an optical blocking portion extending in the direction of substrate thickness.Type: ApplicationFiled: March 23, 2011Publication date: December 8, 2011Applicant: Samsung Mobile Display Co. Ltd.Inventors: Jong-Han Jeong, Steve Y.G. Mo, Eun-Hyun Kim, Hyun-Sun Park
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Patent number: 8052789Abstract: Disclosed are a polycrystalline silicon and a crystallization method thereof according to an exemplary embodiment of the present invention. The polycrystalline silicon comprises: an insulating substrate; and an optical portion formed on the insulating substrate for receiving a CW laser beam and varying the intensity of the beam in order of strength-weakness, strength-weakness, and strength-weakness on one dimension, so that an amorphous silicon thin film is crystallized. Therefore, the present invention can form a good polycrystalline silicon thin film by growing crystal grains with a constant direction and size, when an amorphous silicon thin film disposed on an insulating film such as a glass substrate is crystallized to a polycrystalline silicon thin film.Type: GrantFiled: November 8, 2006Date of Patent: November 8, 2011Assignee: Kyunghee University Industrial & Academic Collaboration FoundationInventors: Jin Jang, Jae-Hwan Oh, Eun-Hyun Kim, Ki-Hyoung Kim