Patents by Inventor Ju-won Yoon
Ju-won Yoon 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: 20160181327Abstract: Provided are organic luminescence display and method for manufacturing the same. According to an aspect of the present invention, there is provided an organic luminescence display comprising a substrate and a plurality of pixels disposed on the substrate. The pixels comprise a plurality of first pixels, each comprising a first organic light-emitting layer, and a plurality of second pixels which are smaller than the first pixels and each of which comprises a second organic light-emitting layer. The surface roughness of the second organic light-emitting layer is greater than the surface roughness of the first organic light-emitting layer.Type: ApplicationFiled: March 2, 2016Publication date: June 23, 2016Inventors: Choong Youl IM, Il Jung LEE, Do Hyun KWON, Ju Won YOON, Moo Soon KO, Min Woo WOO
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Patent number: 9362347Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the OLED display includes a plurality of pixels. Each of the pixels includes a first insulating layer and first and second signal lines spaced apart from each other. At least a portion of the first and second signal lines is formed over the first insulating layer. Each pixel also includes a second insulating layer interposed between the first and second signal lines. The second insulating layer has a lower permittivity that the first insulating layer.Type: GrantFiled: December 22, 2014Date of Patent: June 7, 2016Assignee: Samsung Display Co., Ltd.Inventors: Ju-Won Yoon, Il-Jeong Lee, Choong-Youl Im
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Patent number: 9312311Abstract: Provided are organic luminescence display and method for manufacturing the same. According to an aspect of the present invention, there is provided an organic luminescence display comprising a substrate and a plurality of pixels disposed on the substrate. The pixels comprise a plurality of first pixels, each comprising a first organic light-emitting layer, and a plurality of second pixels which are smaller than the first pixels and each of which comprises a second organic light-emitting layer. The surface roughness of the second organic light-emitting layer is greater than the surface roughness of the first organic light-emitting layer.Type: GrantFiled: December 18, 2013Date of Patent: April 12, 2016Assignee: Samsung Display Co., Ltd.Inventors: Choong Youl Im, Il Jung Lee, Do Hyun Kwon, Ju Won Yoon, Moo-Soon Ko, Min Woo Woo
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Patent number: 9293514Abstract: An organic light emitting diode (OLED) display includes a scan line, a data line, a driving voltage line, a switching transistor, a driving transistor and an OLED. The scan line is formed on a substrate to transmit a scan signal. The data line and the driving voltage line, intersecting the scan line, transmit a data signal and a driving voltage, respectively. The switching transistor, electrically coupled to the scan line and the data line, includes a switching semiconductor layer, a switching gate electrode, and a gate insulating layer having a first thickness. The driving transistor, electrically coupled to the switching drain electrode, includes a driving semiconductor layer, a driving gate electrode and a gate insulating layer having a second thickness. The OLED is electrically coupled to the driving drain electrode. The data line and the driving voltage line are formed with different layers from each other.Type: GrantFiled: December 5, 2013Date of Patent: March 22, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Do-Hyun Kwon, Il-Jeong Lee, Choong-Youl Im, Ju-Won Yoon, Moo-Soon Ko, Min-Woo Woo
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Patent number: 9245908Abstract: A method of manufacturing a thin film transistor (TFT) array substrate is disclosed. In one aspect, the method includes forming an active layer on a substrate, forming a first insulating layer on the substrate to cover the active layer, and forming a first gate electrode on the first insulating layer in an area corresponding to the active layer, doping the active layer with ion impurities, forming a second insulating layer on the first insulating layer to cover the first gate electrode, performing an annealing process on the active layer, forming a lower electrode of a capacitor on the second insulating layer, forming a third insulating layer on the second insulating layer to cover the lower electrode, wherein the third insulating layer has a dielectric constant that is greater than those of the first and second insulating layers, and forming an upper electrode of the capacitor on the third insulating layer.Type: GrantFiled: April 2, 2014Date of Patent: January 26, 2016Assignee: Samsung Display Co., Ltd.Inventors: Jeong-Ho Lee, Su-Yeon Sim, Ju-Won Yoon, Seung-Min Lee, Wang-Woo Lee, Il-Jeong Lee, Jung-Kyu Lee, Choong-Youl Im
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Thin film transistor array substrate and organic light-emitting display apparatus including the same
Patent number: 9231000Abstract: A thin film transistor array substrate includes a plurality of pixels, each of the pixels including a capacitor comprising a first electrode, and a second electrode located above the first electrode, a data line extending in a first direction, configured to provide a data signal, located above the capacitor, and overlapping a part of the capacitor, and a driving voltage line configured to supply a driving voltage, located between the capacitor and the data line, and comprising a first line extending in the first direction, and a second line extending in a second direction substantially perpendicular to the first direction.Type: GrantFiled: August 7, 2013Date of Patent: January 5, 2016Assignee: Samsung Display Co., Ltd.Inventors: Moon-Soon Ko, Il-Jung Lee, Choong-Youl Im, Do-Hyun Kwon, Ju-Won Yoon, Min-Woo Woo -
Publication number: 20150379930Abstract: An organic light emitting display device includes an (i?1)th pixel, an i-th pixel, and an (i+1)th pixel, each including an organic light emitting diode and a driving transistor to control a driving current flowing through the organic light emitting diode. A first node of the i-th pixel, to which a control electrode of the driving transistor of the i-th pixel is connected, is initialized to an initialization voltage in synchronization with an (i?1)th scan signal applied to the i-th pixel, and an anode of the organic light emitting diode of the i-th pixel is initialized to the initialization voltage in synchronization with an i-th scan signal applied to the (i+1)th pixel.Type: ApplicationFiled: June 12, 2015Publication date: December 31, 2015Inventors: Jeongho Lee, Dohyun Kwon, Su-Yeon Sim, Ju-Won Yoon, Gichang Lee, Seungmin Lee, Iljeong Lee, Choongyoul Im
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Publication number: 20150372070Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the OLED display includes a plurality of pixels. Each of the pixels includes a first insulating layer and first and second signal lines spaced apart from each other. At least a portion of the first and second signal lines is formed over the first insulating layer. Each pixel also includes a second insulating layer interposed between the first and second signal lines. The second insulating layer has a lower permittivity that the first insulating layer.Type: ApplicationFiled: December 22, 2014Publication date: December 24, 2015Inventors: Ju-Won YOON, II-Jeong Lee, Choong-Youl Im
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Publication number: 20150357393Abstract: A backplane for a flat panel display apparatus, includes: a thin film transistor (TFT) on a substrate and including an active layer, a gate electrode, a source electrode, and a drain electrode; a light-blocking layer between the substrate and the TFT; a first insulating layer between the light-blocking layer and the TFT; a capacitor including a first electrode on the same plane as the light-blocking layer, and a second electrode on the first electrode, wherein the first insulating layer is between the first electrode and the second electrode; and a pixel electrode on the same plane as the light-blocking layer.Type: ApplicationFiled: July 27, 2015Publication date: December 10, 2015Inventors: Do-Hyun Kwon, Il-Jung Lee, Choong-Youl Im, Moo-Soon Ko, Ju-Won Yoon, Min-Woo Woo
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Patent number: 9135852Abstract: A display includes a switching transistor connected to a scan line and data line, a driving transistor connected to the switching transistor, a storage capacitor between a voltage line and the driving transistor, and an organic light emitting diode connected to the driving transistor. The data line and voltage line are at different layers, and the data line and a gate electrode of the driving transistor are at different layers. Also, a plate of the storage capacitor and the gate electrode of the driving transistor are of a same layer, and semiconductor layers of the switching and driving transistors are of a same layer.Type: GrantFiled: September 18, 2013Date of Patent: September 15, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Do-Hyun Kwon, Il-Jeong Lee, Choong-Youl Im, Ju-Won Yoon, Moo-Soon Ko, Min-Woo Woo
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Patent number: 9093572Abstract: A backplane for a flat panel display apparatus, includes: a thin film transistor (TFT) on a substrate and including an active layer, a gate electrode, a source electrode, and a drain electrode; a light-blocking layer between the substrate and the TFT; a first insulating layer between the light-blocking layer and the TFT; a capacitor including a first electrode on the same plane as the light-blocking layer, and a second electrode on the first electrode, wherein the first insulating layer is between the first electrode and the second electrode; and a pixel electrode on the same plane as the light-blocking layer.Type: GrantFiled: December 4, 2012Date of Patent: July 28, 2015Assignee: Samsung Display Co., Ltd.Inventors: Do-Hyun Kwon, Il-Jung Lee, Choong-Youl Im, Moo-Soon Ko, Ju-Won Yoon, Min-Woo Woo
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Publication number: 20150171153Abstract: An organic light emitting display device includes a substrate, an active layer on the substrate, a first insulating layer on the substrate and the active layer, a gate electrode on the first insulating layer, a second insulating layer on and patterned to expose the first insulating layer, a source and a drain electrode on the second insulating layer and in contact with the active layer via contact holes in the second and the first insulating layers, a first electrode on the first insulating layer such that the first electrode is in contact with the source or the drain electrode, and including a transparent conductive layer and a transflective conductive layer, a third insulating layer on the second insulating layer, and patterned to expose the first electrode, an organic thin film layer on the exposed first electrode, and a second electrode on the organic thin film layer.Type: ApplicationFiled: November 6, 2014Publication date: June 18, 2015Inventors: Ju-Won Yoon, Seung-Min Lee, Il-Jeong Lee, Jeong-Ho Lee, Choong-Youl Im, Su-Yeon Sim
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Patent number: 8975630Abstract: An organic light emitting diodes display includes: a switching thin film transistor and a driving thin film transistor connected to the switching thin film transistor, wherein the driving thin film transistor includes a driving semiconductor layer section, a first gate insulating layer covering the driving semiconductor layer section, a floating gate electrode disposed on the first gate insulating layer, a second gate insulating layer covering the floating gate electrode, and a driving gate electrode disposed on the second gate insulating layer and at a position corresponding to the floating gate electrode, wherein the second gate insulating layer has a permittivity in the range of about 10 to about 100.Type: GrantFiled: December 11, 2013Date of Patent: March 10, 2015Assignee: Samsung Display Co., Ltd.Inventors: Ju-Won Yoon, Su-Yeon Sim, Seung Min Lee, Il Jeong Lee, Jeong Ho Lee, Choong Youl Im, Jin Sung An
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Patent number: 8970539Abstract: An organic light emitting display apparatus including a substrate, a first touch sensing electrode layer on the substrate, a first protective layer on the substrate, the first protective layer covering the first touch sensing electrode layer, a ground layer on the first protective layer, the ground layer being electrically grounded, an insulating layer on the ground layer, and an organic light emitting device on the insulating layer.Type: GrantFiled: August 23, 2010Date of Patent: March 3, 2015Assignee: Samsung Display Co., Ltd.Inventors: Do-Hyun Kwon, Choong-Youl Im, Il-Jeong Lee, Young-Dae Kim, Ju-Won Yoon, Jong-Mo Yeo, Cheol-Ho Yu
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Publication number: 20150048320Abstract: A method of manufacturing a thin film transistor (TFT) array substrate is disclosed. In one aspect, the method includes forming an active layer on a substrate, forming a first insulating layer on the substrate to cover the active layer, and forming a first gate electrode on the first insulating layer in an area corresponding to the active layer, doping the active layer with ion impurities, forming a second insulating layer on the first insulating layer to cover the first gate electrode, performing an annealing process on the active layer, forming a lower electrode of a capacitor on the second insulating layer, forming a third insulating layer on the second insulating layer to cover the lower electrode, wherein the third insulating layer has a dielectric constant that is greater than those of the first and second insulating layers, and forming an upper electrode of the capacitor on the third insulating layer.Type: ApplicationFiled: April 2, 2014Publication date: February 19, 2015Applicant: Samsung Display Co., Ltd.Inventors: Jeong-Ho Lee, Su-Yeon Sim, Ju-Won Yoon, Seung-Min Lee, Wang-Woo Lee, Il-Jeong Lee, Jung-Kyu Lee, Choong-Youl Im
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Patent number: 8946720Abstract: An organic light emitting diode display device and a method of manufacturing the same are disclosed. The organic light emitting diode display device includes a substrate having an emission section and a non-emission section, a semiconductor layer located on the substrate, a gate dielectric layer located over an entire front surface of the substrate, a gate electrode located in correspondence to the semiconductor layer, a dielectric layer located over the entire front surface of the substrate, source and drain electrodes and a first electrode located on the dielectric layer and electrically connected to the semiconductor layer, a pixel definition layer exposing a part of the first electrode, a spacer located on the pixel definition layer and located on the non-emission section of the substrate, an organic film layer located on the first electrode, and a second electrode located over the entire front surface of the substrate.Type: GrantFiled: December 29, 2010Date of Patent: February 3, 2015Assignee: Samsung Display Co., Ltd.Inventors: Do-Hyun Kwon, Choong-Youl Im, Dae-Hyun No, Jong-Mo Yeo, Ju-Won Yoon, Il-Jeong Lee, Song-Yi Jeon, Cheol-Ho Yu
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Publication number: 20150014638Abstract: An organic light emitting diode (OLED) display includes a scan line, a data line, a driving voltage line, a switching transistor, a driving transistor and an OLED. The scan line is formed on a substrate to transmit a scan signal. The data line and the driving voltage line, intersecting the scan line, transmit a data signal and a driving voltage, respectively. The switching transistor, electrically coupled to the scan line and the data line, includes a switching semiconductor layer, a switching gate electrode, and a gate insulating layer having a first thickness. The driving transistor, electrically coupled to the switching drain electrode, includes a driving semiconductor layer, a driving gate electrode and a gate insulating layer having a second thickness. The OLED is electrically coupled to the driving drain electrode. The data line and the driving voltage line are formed with different layers from each other.Type: ApplicationFiled: December 5, 2013Publication date: January 15, 2015Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Do-Hyun KWON, II-Jeong LEE, Choong-Youl IM, Ju-Won YOON, Moo-Soon KO, Min-Woo WOO
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Publication number: 20150008395Abstract: An organic light emitting diodes display includes: a switching thin film transistor and a driving thin film transistor connected to the switching thin film transistor, wherein the driving thin film transistor includes a driving semiconductor layer section, a first gate insulating layer covering the driving semiconductor layer section, a floating gate electrode disposed on the first gate insulating layer, a second gate insulating layer covering the floating gate electrode, and a driving gate electrode disposed on the second gate insulating layer and at a position corresponding to the floating gate electrode, wherein the second gate insulating layer has a permittivity in the range of about 10 to about 100.Type: ApplicationFiled: December 11, 2013Publication date: January 8, 2015Applicant: Samsung Display Co., Ltd.Inventors: Ju-Won YOON, Su-Yeon SIM, Seung Min LEE, Il Jeong LEE, Jeong Ho LEE, Choong Youl IM, Jin Sung AN
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Publication number: 20140332768Abstract: A display includes a switching transistor connected to a scan line and data line, a driving transistor connected to the switching transistor, a storage capacitor between a voltage line and the driving transistor, and an organic light emitting diode connected to the driving transistor. The data line and voltage line are at different layers, and the data line and a gate electrode of the driving transistor are at different layers. Also, a plate of the storage capacitor and the gate electrode of the driving transistor are of a same layer, and semiconductor layers of the switching and driving transistors are of a same layer.Type: ApplicationFiled: September 18, 2013Publication date: November 13, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Do-Hyun KWON, Il-Jeong LEE, Choong-Youl IM, Ju-Won YOON, Moo-Soon KO, Min-Woo WOO
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Publication number: 20140320385Abstract: An organic light emitting diode (OLED) display including a first pixel, a second pixel, and a third pixel disposed in a matrix and first to third driving voltage lines configured to transmit a driving voltage to the first to third pixel, respectively. A width of one driving voltage line among the first to third driving voltage lines is different from the width of the other driving voltage lines.Type: ApplicationFiled: December 9, 2013Publication date: October 30, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Do-Hyun KWON, Il-Jeong LEE, Choong-Youl IM, Ju-Won YOON, Moo-Soon KO, Min-Woo WOO