Patents by Inventor Myung-Koo Hur
Myung-Koo Hur 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: 12144195Abstract: A display device includes a substrate that includes a display area and a non-display area; a mask support that is disposed in the non-display area of the substrate; a sealant that is disposed in the non-display area of the substrate and is disposed between the mask support and the display area; an insulating layer that is disposed between the sealant and the mask support; and a plurality of grooves that are formed by removing at least a part of the insulating layer.Type: GrantFiled: December 23, 2021Date of Patent: November 12, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yong Duck Son, Jeong Hwan Kim, Sun Park, Min Chul Shin, Jin Wook Jeong, Myung Koo Hur
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Patent number: 12080225Abstract: A display device includes a sub-pixel connected to a scan write line, a first data line, and a second data line. The sub-pixel includes a light emitting element, a first pixel driving unit configured to generate a control current according to a first data voltage of the first data line, a second pixel driving unit configured to generate a driving current applied to the light emitting element according to a second data voltage of the second data line, and a third pixel driving unit configured to apply the driving current to the light emitting element according to the control current of the first pixel driving unit. The first pixel driving unit includes a first transistor to generate the control current according to the first data voltage, a second transistor configured to apply the first data voltage of the first data line to a first electrode of the first transistor.Type: GrantFiled: September 6, 2023Date of Patent: September 3, 2024Assignee: Samsung Display Co., Ltd.Inventors: Nak Cho Choi, Jeong Su Kim, Myung Koo Hur
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Publication number: 20240266362Abstract: Provided are a display device, a method of fabricating the display device, and a tiled display device including display devices. A display device includes, a substrate including a first surface, a second surface opposite the first surface, and a first side surface disposed between the first surface and the second surface, a light emitting element disposed on the first surface, a side wiring disposed on the first surface, the first side surface, and the second surface, and an overcoat layer covering the side wiring, and the overcoat layer includes at least one of CaCO3 and xCaO·ySiO2·zH2O where x, y, and z are natural numbers.Type: ApplicationFiled: December 26, 2023Publication date: August 8, 2024Applicants: Samsung Display Co., LTD., NOKWON C&I CorporationInventors: Nak Cho CHOI, Min Woo OH, Jong Hwan BAE, Sang Woo AN, Jae Chil HWANG, Myung Koo HUR
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Publication number: 20240119890Abstract: A display device includes a sub-pixel connected to a scan write line, a first data line, and a second data line. The sub-pixel includes a light emitting element, a first pixel driving unit configured to generate a control current according to a first data voltage of the first data line, a second pixel driving unit configured to generate a driving current applied to the light emitting element according to a second data voltage of the second data line, and a third pixel driving unit configured to apply the driving current to the light emitting element according to the control current of the first pixel driving unit. The first pixel driving unit includes a first transistor to generate the control current according to the first data voltage, a second transistor configured to apply the first data voltage of the first data line to a first electrode of the first transistor.Type: ApplicationFiled: September 6, 2023Publication date: April 11, 2024Inventors: Nak Cho CHOI, Jeong Su KIM, Myung Koo HUR
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Publication number: 20230237937Abstract: A display device includes: a substrate; a transistor layer on a first surface of the substrate; a pad portion; a first via layer on the transistor layer, and spaced from the pad portion; a second via layer on the first via layer, and exposing an upper surface of the first via layer; a third via layer on the second via layer, and exposing an upper surface of the second via layer; a display element layer on the third via layer; a lead line on a second surface of the substrate; a side surface connection line on the first surface, the second surface, and a side surface between the first surface and the second surface, the side surface connection line electrically connecting the pad portion to the lead line; and an over-coating layer covering the side surface connection line, and overlapping with the exposed upper surface of the first via layer.Type: ApplicationFiled: August 18, 2022Publication date: July 27, 2023Inventors: Nak Cho CHOI, Sang Woo AN, Yong Duck SON, Won Ho JANG, Myung Koo HUR
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Publication number: 20230238394Abstract: A display device includes a substrate including a first surface, a second surface opposite to the first surface, a first chamfered surface extending from one side of the first surface, a second chamfered surface extending from one side of the second surface, and a side surface connecting the first chamfered surface to the second chamfered surface, a pixel on the first surface of the substrate and including a light emitting element to emit light, a plurality of front pad parts on an edge of the first surface of the substrate and electrically connected to the pixel, a plurality of rear pad parts on an edge of the second surface of the substrate, and a plurality of side surface connection lines on the side surface of the substrate electrically connecting the plurality of front pad parts to the plurality of rear pad parts.Type: ApplicationFiled: January 23, 2023Publication date: July 27, 2023Inventors: Kye Uk LEE, Nak Cho CHOI, Sang Woo AN, Yong Duck SON, Won Ho JANG, Jung Hwan HWANG, Myung Koo HUR
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Publication number: 20230238494Abstract: A display device includes a substrate including a first surface, a second surface opposite the first surface, a first chamfered surface extending from a side of the first surface, a second chamfered surface extending from a side of the second surface, and a first side surface connecting the first chamfered surface and the second chamfered surface, a plurality of subpixels on the first surface, a side wiring on the first surface, the first chamfered surface, the first side surface, the second chamfered surface, and the second surface of the substrate, and a circuit board on the second surface. The side wiring comprises a first portion on the first surface and a second portion on the first side surface, and includes metal particles where a packing density of the metal particles in the first portion is higher than a packing density of the metal particles in the second portion.Type: ApplicationFiled: October 20, 2022Publication date: July 27, 2023Inventors: Nak Cho CHOI, Sang Woo AN, Yong Duck SON, Won Ho JANG, Myung Koo HUR
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Publication number: 20220302231Abstract: A display device includes a common voltage line disposed on a substrate, a passivation layer disposed on the common voltage line, a connection electrode disposed on the passivation layer and electrically connected to the common voltage line, a pixel definition layer disposed on the connection electrode and including a first opening, an emission layer disposed on the pixel definition layer, and a common electrode disposed on the emission layer and electrically connected to the connection electrode through the first opening, wherein the passivation layer includes a second opening surrounding the first opening.Type: ApplicationFiled: March 16, 2022Publication date: September 22, 2022Applicant: Samsung Display Co., LTD.Inventors: Yong Duck SON, Ki-Hoon HA, Chan-Hyun PARK, Won Ho JANG, Myung Koo HUR
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Publication number: 20220209177Abstract: A display device includes a substrate that includes a display area and a non-display area; a mask support that is disposed in the non-display area of the substrate; a sealant that is disposed in the non-display area of the substrate and is disposed between the mask support and the display area; an insulating layer that is disposed between the sealant and the mask support; and a plurality of grooves that are formed by removing at least a part of the insulating layer.Type: ApplicationFiled: December 23, 2021Publication date: June 30, 2022Applicant: Samsung Display Co., LTD.Inventors: Yong Duck SON, Jeong Hwan KIM, Sun PARK, Min Chul SHIN, Jin Wook JEONG, Myung Koo HUR
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Patent number: 10170525Abstract: An organic light emitting display device includes a substrate, a gate insulation layer, a planarization layer, a boundary pattern, and a sub-pixel structure. The substrate includes a sub-pixel region and a transparent region. The gate insulation layer is disposed on the substrate. The planarization layer is disposed in the sub-pixel region on the gate insulation layer, and exposes the transparent region. The boundary pattern covers a boundary of the sub-pixel region and the transparent region. The sub-pixel structure is disposed on the planarization layer.Type: GrantFiled: November 11, 2016Date of Patent: January 1, 2019Assignee: Samsung Display Co., Ltd.Inventors: Chang-Ho Lee, Dae-Woo Kim, Jin-A Lee, Myung-Koo Hur
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Patent number: 10115365Abstract: A gate driving circuit including a plurality of stages connected with each other and configured to output a plurality of gate signals. An n-th (n is a natural number) stage including a gate output part including a first transistor connected between a clock signal and an output node outputting an n-th gate signal, the first transistor having a gate electrode connected to a control node, a carry part connected between the clock signal and a carry node outputting an n-th carry signal, a first node control part connected between the output node and a first low voltage, and a second node control part including at least one transistor connected between the control node and a second low voltage different from the first low voltage.Type: GrantFiled: August 8, 2016Date of Patent: October 30, 2018Assignee: Samsung Display Co., Ltd.Inventors: Beom-Jun Kim, Myung-Koo Hur, Bong-Jun Lee, Yeon-Kyu Moon, Myung-Sub Lee, Gyu-Tae Kim
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Publication number: 20170133444Abstract: An organic light emitting display device includes a substrate, a gate insulation layer, a planarization layer, a boundary pattern, and a sub-pixel structure. The substrate includes a sub-pixel region and a transparent region. The gate insulation layer is disposed on the substrate. The planarization layer is disposed in the sub-pixel region on the gate insulation layer, and exposes the transparent region. The boundary pattern covers a boundary of the sub-pixel region and the transparent region. The sub-pixel structure is disposed on the planarization layer.Type: ApplicationFiled: November 11, 2016Publication date: May 11, 2017Inventors: Chang-Ho LEE, Dae-Woo KIM, Jin-A LEE, Myung-Koo HUR
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Publication number: 20160351158Abstract: A gate driving circuit including a plurality of stages connected with each other and configured to output a plurality of gate signals. An n-th (n is a natural number) stage including a gate output part including a first transistor connected between a clock signal and an output node outputting an n-th gate signal, the first transistor having a gate electrode connected to a control node, a carry part connected between the clock signal and a carry node outputting an n-th carry signal, a first node control part connected between the output node and a first low voltage, and a second node control part including at least one transistor connected between the control node and a second low voltage different from the first low voltage.Type: ApplicationFiled: August 8, 2016Publication date: December 1, 2016Inventors: Beom-Jun KIM, Myung-Koo HUR, Bong-Jun LEE, Yeon-Kyu MOON, Myung-Sub LEE, Gyu-Tae KIM
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Patent number: 9412315Abstract: A gate driving circuit is provided which includes a plurality of stages cascade-connected with each other and outputting a plurality of gate signals. An n-th (n is a natural number) stage includes a gate output part, a first node control part and a carry part. The gate output part includes a first transistor. The first transistor outputs a high voltage of a clock signal to a high voltage of an n-th gate signal in response to a high voltage of a control node. The first node control part is connected to the control node to control a signal of the control node and includes at least one transistor having a channel longer than the channel length of the first transistor. The carry part outputs the high voltage of the clock signal to an n-th carry signal in response to the signal of the control node.Type: GrantFiled: May 31, 2012Date of Patent: August 9, 2016Assignee: Samsung Display Co., Ltd.Inventors: Beom-Jun Kim, Myung-Koo Hur, Bong-Jun Lee, Yeon-Kyu Moon, Myung-Sub Lee, Gyu-Tae Kim
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Publication number: 20160118455Abstract: An organic light-emitting display device includes a plurality of emission pixels aligned in columns and rows, each of the emission pixels including an emission device and a first pixel circuit coupled to the emission device, a dummy pixel including a second pixel circuit in each column of the emission pixels, and a repair line in each column, wherein a same data signal is provided to one of the emission pixels coupled to the repair line and to the dummy pixel coupled to the repair line, and wherein the emission pixels are configured to simultaneously emit light.Type: ApplicationFiled: December 31, 2015Publication date: April 28, 2016Inventors: Ki-Nyeng Kang, Na-Young Kim, Soo-Beom Jo, Jae-Ho Lee, Myung-Koo Hur
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Patent number: 9256109Abstract: An organic light-emitting display device includes a plurality of emission pixels aligned in columns and rows, each of the emission pixels including an emission device and a first pixel circuit coupled to the emission device, a dummy pixel including a second pixel circuit in each column of the emission pixels, and a repair line in each column, wherein a same data signal is provided to one of the emission pixels coupled to the repair line and to the dummy pixel coupled to the repair line, and wherein the emission pixels are configured to simultaneously emit light.Type: GrantFiled: October 24, 2013Date of Patent: February 9, 2016Assignee: Samsung Display Co., Ltd.Inventors: Ki-Nyeng Kang, Na-Young Kim, Soo-Beom Jo, Jae-Ho Lee, Myung-Koo Hur
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Patent number: 9024523Abstract: An organic light emitting display apparatus includes a pixel part including a pixel electrode, a light emitting layer and an opposite electrode, and a contact part in which the opposite electrode contacts a power line, wherein a first thickness of the opposite electrode in the pixel part is different from a second thickness of the opposite electrode in the contact part.Type: GrantFiled: September 11, 2013Date of Patent: May 5, 2015Assignee: Samsung Display Co., Ltd.Inventors: June-Woo Lee, Beohm-Rock Choi, Myung-Koo Hur, Jae-Ho Lee, Woo-Sik Jun, Hyun-Been Hwang
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Publication number: 20150009106Abstract: A display apparatus including: a unit pixel including sub-pixels, each sub-pixel including an emission area including a light emitting element and a circuit area including a switching transistor to control the light emitting element; a scan line extending in a first direction and connected to the unit pixel; a branch line extending from the scan line in a second direction crossing the first direction, and connected to the each of the sub-pixels; and data lines extending in the second direction and respectively connected to the sub-pixels.Type: ApplicationFiled: March 26, 2014Publication date: January 8, 2015Applicant: Samsung Display Co., Ltd.Inventors: June-Woo LEE, Dong-Gyu Kim, Beohm-Rock Choi, Jae-Ho Lee, Myung-Koo Hur
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Publication number: 20140354141Abstract: An organic light emitting display apparatus includes a pixel part including a pixel electrode, a light emitting layer and an opposite electrode, and a contact part in which the opposite electrode contacts a power line, wherein a first thickness of the opposite electrode in the pixel part is different from a second thickness of the opposite electrode in the contact part.Type: ApplicationFiled: September 11, 2013Publication date: December 4, 2014Applicant: Samsung Display Co., Ltd.Inventors: June-Woo Lee, Beohm-Rock Choi, Myung-Koo Hur, Jae-Ho Lee, Woo-Sik Jun, Hyun-Been Hwang
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Publication number: 20140292827Abstract: An organic light-emitting display device includes a plurality of emission pixels aligned in columns and rows, each of the emission pixels including an emission device and a first pixel circuit coupled to the emission device, a dummy pixel including a second pixel circuit in each column of the emission pixels, and a repair line in each column, wherein a same data signal is provided to one of the emission pixels coupled to the repair line and to the dummy pixel coupled to the repair line, and wherein the emission pixels are configured to simultaneously emit light.Type: ApplicationFiled: October 24, 2013Publication date: October 2, 2014Applicant: Samsung Display Co., Ltd.Inventors: Ki-Nyeng Kang, Na-Young Kim, Soo-Beom Jo, Jae-Ho Lee, Myung-Koo Hur