Patents by Inventor Won mi Hwang
Won mi Hwang 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: 10600817Abstract: A thin film transistor (TFT) includes a scan line on a substrate, the scan line including a straight portion extending along a first direction, an active layer including an oxide semiconductor and overlapping the straight portion of the scan line, the active layer having a first region, a second region, and a third region that are linearly and sequentially aligned along the first direction, a first insulating layer between the active layer and the scan line, a first electrode connected to the first region of the active layer, and a second electrode connected to the third region of the active layer.Type: GrantFiled: October 4, 2018Date of Patent: March 24, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Won-Mi Hwang, Young-Bae Jung
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Patent number: 10573243Abstract: A display device includes: a plurality of pixels substantially in a matrix form including a plurality of pixel columns in a first direction and a plurality of pixel rows in a second direction intersecting the first direction; a plurality of data lines connected to the pixel columns, respectively; a plurality of scan lines extending in the second direction; and a power line which supplies a driving power voltage to the pixels. Each of the data lines includes a first sub-data line disposed at a side of a corresponding pixel column, and a second sub-data line disposed at an opposite side of the corresponding pixel column, and each of the pixels includes a first transistor and a display element connected to the first transistor, where the power line overlaps with at least a portion of the first transistor.Type: GrantFiled: January 25, 2018Date of Patent: February 25, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jun Won Choi, Jun Yong An, Yun Kyeong In, Won Mi Hwang
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Patent number: 10553663Abstract: A display device includes: pixel columns including pixels arranged along a first direction; pixel rows including pixels arranged along a second direction crossing the first direction; data lines connected to respective pixel columns, each of the data lines including a first sub-data line provided at one side of a corresponding pixel column and a second sub-data line provided at another side of the corresponding pixel column; scan lines extending along the second direction and connected to respective pixel rows; and a power line to supply driving power to the pixels, one of the pixels of the pixel columns is connected to the first sub-data line, and a pixel adjacent to the pixel connected to the first sub-data line is connected to the second sub-data line, and the first sub-data line and the second sub-data line in the same pixel column are on different layers from each other.Type: GrantFiled: December 5, 2017Date of Patent: February 4, 2020Assignee: Samsung Display Co., Ltd.Inventors: Jun Won Choi, Jun Yong An, Yun Kyeong In, Won Mi Hwang
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Publication number: 20190304375Abstract: An emission driver according to example embodiments includes a plurality of stages each having an input block; an output block; a first signal processing block controlling a voltage of a first node; a second signal processing block controlling a voltage of a fourth node in response to the signal supplied to a third input terminal and a voltage of a fifth node; a third signal processing block controlling the voltage of the fourth node; a fourth signal processing block controlling the voltage of the third node; and a stabilization block electrically connected between the input block and the output block to limit a voltage drop between the first node and the third node. The stabilization block may limit a voltage drop between a second node and the fourth node by lowering a voltage of a second power source to the fifth node.Type: ApplicationFiled: March 29, 2019Publication date: October 3, 2019Inventors: Hyun Woong KIM, Seung Kyu LEE, Won Mi HWANG
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Patent number: 10269877Abstract: A display device is disclosed. In one aspect, a plurality of pixels are formed in a display area, and the pixels include a first pixel including a thin film transistor (TFT). The display device includes a test unit formed in a peripheral area surrounding the display area, and the test unit includes a test transistor configured to measure a characteristic of the TFT included in the first pixel. The display device also includes a first insulating layer formed over the test transistor and the display area, and a plurality of dummy contact holes are formed in the first insulating layer and the test unit.Type: GrantFiled: September 29, 2015Date of Patent: April 23, 2019Assignee: Samsung Display Co., Ltd.Inventor: Won Mi Hwang
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Publication number: 20190035814Abstract: A thin film transistor (TFT) includes a scan line on a substrate, the scan line including a straight portion extending along a first direction, an active layer including an oxide semiconductor and overlapping the straight portion of the scan line, the active layer having a first region, a second region, and a third region that are linearly and sequentially aligned along the first direction, a first insulating layer between the active layer and the scan line, a first electrode connected to the first region of the active layer, and a second electrode connected to the third region of the active layer.Type: ApplicationFiled: October 4, 2018Publication date: January 31, 2019Inventors: Won-Mi HWANG, Young-Bae JUNG
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Patent number: 10096625Abstract: A thin film transistor (TFT) includes a scan line on a substrate, the scan line including a straight portion extending along a first direction, an active layer including an oxide semiconductor and overlapping the straight portion of the scan line, the active layer having a first region, a second region, and a third region that are linearly and sequentially aligned along the first direction, a first insulating layer between the active layer and the scan line, a first electrode connected to the first region of the active layer, and a second electrode connected to the third region of the active layer.Type: GrantFiled: July 9, 2015Date of Patent: October 9, 2018Assignee: Samsung Display Co., Ltd.Inventors: Won-Mi Hwang, Young-Bae Jung
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Publication number: 20180218684Abstract: A display device includes: a plurality of pixels substantially in a matrix form including a plurality of pixel columns in a first direction and a plurality of pixel rows in a second direction intersecting the first direction; a plurality of data lines connected to the pixel columns, respectively; a plurality of scan lines extending in the second direction; and a power line which supplies a driving power voltage to the pixels. Each of the data lines includes a first sub-data line disposed at a side of a corresponding pixel column, and a second sub-data line disposed at an opposite side of the corresponding pixel column, and each of the pixels includes a first transistor and a display element connected to the first transistor, where the power line overlaps with at least a portion of the first transistor.Type: ApplicationFiled: January 25, 2018Publication date: August 2, 2018Inventors: Jun Won CHOI, Jun Yong AN, Yun Kyeong IN, Won Mi HWANG
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Publication number: 20180190750Abstract: A display device includes: pixel columns including pixels arranged along a first direction; pixel rows including pixels arranged along a second direction crossing the first direction; data lines connected to respective pixel columns, each of the data lines including a first sub-data line provided at one side of a corresponding pixel column and a second sub-data line provided at another side of the corresponding pixel column; scan lines extending along the second direction and connected to respective pixel rows; and a power line to supply driving power to the pixels, one of the pixels of the pixel columns is connected to the first sub-data line, and a pixel adjacent to the pixel connected to the first sub-data line is connected to the second sub-data line, and the first sub-data line and the second sub-data line in the same pixel column are on different layers from each other.Type: ApplicationFiled: December 5, 2017Publication date: July 5, 2018Inventors: Jun Won CHOI, Jun Yong An, Yun Kyeong In, Won Mi Hwang
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Publication number: 20180190752Abstract: A display device may includes: a substrate including a pixel area and a peripheral area; pixels provided in the pixel area of the substrate, each of the pixels including a light-emitting element provided with a pixel electrode; scan lines and data lines coupled to the pixels; a power line configured to supply driving power to the light-emitting elements, and extending in one direction; and an initialization power line configured to supply initialization power to the light-emitting elements. The power line and the initialization power line may be provided on different layers. The initialization power line may include: first conductive lines extending in a direction oblique to the scan lines and the data lines; and conductive lines intersecting the first conductive lines. The first and second conductive lines may be disposed in areas between the pixel electrodes of adjacent light-emitting elements.Type: ApplicationFiled: December 18, 2017Publication date: July 5, 2018Inventors: Jun Yong AN, Yun Kyeong In, Jun Won CHOI, Won Mi HWANG
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Patent number: 9941340Abstract: An organic light-emitting diode display is disclosed. The display includes a scan line formed over a substrate and configured to carry a scan signal. First and second data lines are adjacent to each other and crossing the scan line. The first and second data lines are configured carry a data voltage. A driving voltage line crossing the scan line is configured to carry a driving voltage, and a switching transistor is electrically connected to the scan line and the data line and includes a switching drain electrode configured to output the data voltage. A driving transistor includes a driving gate electrode and a driving source electrode electrically connected to the switching drain electrode. An OLED is electrically connected to the driving drain electrode of the driving transistor, and a connector is connected to the driving gate electrode of the driving transistor and interposed between the first and second data lines.Type: GrantFiled: February 9, 2016Date of Patent: April 10, 2018Assignee: Samsung Display Co., Ltd.Inventors: Kwang Sae Lee, Mi Hae Kim, Ji Hye Kim, Won Mi Hwang
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Publication number: 20160284771Abstract: A display device is disclosed. In one aspect, a plurality of pixels are formed in a display area, and the pixels include a first pixel including a thin film transistor (TFT). The display device includes a test unit formed in a peripheral area surrounding the display area, and the test unit includes a test transistor configured to measure a characteristic of the TFT included in the first pixel. The display device also includes a first insulating layer formed over the test transistor and the display area, and a plurality of dummy contact holes are formed in the first insulating layer and the test unit.Type: ApplicationFiled: September 29, 2015Publication date: September 29, 2016Inventor: Won Mi Hwang
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Publication number: 20160247452Abstract: An organic light-emitting diode display is disclosed. The display includes a scan line formed over a substrate and configured to carry a scan signal. First and second data lines are adjacent to each other and crossing the scan line. The first and second data lines are configured carry a data voltage. A driving voltage line crossing the scan line is configured to carry a driving voltage, and a switching transistor is electrically connected to the scan line and the data line and includes a switching drain electrode configured to output the data voltage. A driving transistor includes a driving gate electrode and a driving source electrode electrically connected to the switching drain electrode. An OLED is electrically connected to the driving drain electrode of the driving transistor, and a connector is connected to the driving gate electrode of the driving transistor and interposed between the first and second data lines.Type: ApplicationFiled: February 9, 2016Publication date: August 25, 2016Inventors: KWANG SAE LEE, MI HAE KIM, JI HYE KIM, WON MI HWANG
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Patent number: 9299949Abstract: A display panel and a display device, such as an organic light emitting panel that includes a spacer. The display panel and the display device include a semiconductor element including a first electrode; a passivation layer arranged on the semiconductor element and including a via hole exposing the first electrode; a second electrode arranged on the passivation layer and connected to the first electrode through the via hole; and a spacer arranged on the second electrode and adjacent to the via hole, wherein the spacer exposes at least a portion of a region where the via hole is formed.Type: GrantFiled: May 20, 2014Date of Patent: March 29, 2016Assignee: Samsung Display Co., Ltd.Inventor: Won Mi Hwang
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Publication number: 20150311229Abstract: A thin film transistor (TFT) includes a scan line on a substrate, the scan line including a straight portion extending along a first direction, an active layer including an oxide semiconductor and overlapping the straight portion of the scan line, the active layer having a first region, a second region, and a third region that are linearly and sequentially aligned along the first direction, a first insulating layer between the active layer and the scan line, a first electrode connected to the first region of the active layer, and a second electrode connected to the third region of the active layer.Type: ApplicationFiled: July 9, 2015Publication date: October 29, 2015Inventors: Won-Mi HWANG, Young-Bae JUNG
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Publication number: 20150207094Abstract: A display panel and a display device, such as an organic light emitting panel that includes a spacer. The display panel and the display device include a semiconductor element including a first electrode; a passivation layer arranged on the semiconductor element and including a via hole exposing the first electrode; a second electrode arranged on the passivation layer and connected to the first electrode through the via hole; and a spacer arranged on the second electrode and adjacent to the via hole, wherein the spacer exposes at least a portion of a region where the via hole is formed.Type: ApplicationFiled: May 20, 2014Publication date: July 23, 2015Inventor: Won Mi Hwang
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Patent number: 9082859Abstract: A thin film transistor (TFT) includes a scan line on a substrate, the scan line including a straight portion extending along a first direction, an active layer including an oxide semiconductor and overlapping the straight portion of the scan line, the active layer having a first region, a second region, and a third region that are linearly and sequentially aligned along the first direction, a first insulating layer between the active layer and the scan line, a first electrode connected to the first region of the active layer, and a second electrode connected to the third region of the active layer.Type: GrantFiled: June 14, 2011Date of Patent: July 14, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Won-Mi Hwang, Young-Bae Jung
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Patent number: 8773371Abstract: A flat panel display integrated with a touch screen panel. The connecting patterns, which connect adjacent first sensing cells and adjacent second sensing cells are formed on the same level of the lower surface of the upper substrate of the flat panel display of the same material as metal patterns formed around the edge of the touch screen panel, and by arranging the connecting patterns not to cross each other. The flat panel display panel can also be integrated with a touch screen having improved visibility by forming the touch screen panel on the upper substrate of the flat panel display such that connecting patterns are formed in the regions between the pixels.Type: GrantFiled: September 15, 2010Date of Patent: July 8, 2014Assignee: Samsung Display Co., Ltd.Inventors: Hee-Chul Jeon, Ji-Eun Kim, Sung-Joo Hwang, Se-Il Cho, Won-Mi Hwang
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Publication number: 20120161134Abstract: A thin film transistor (TFT) includes a scan line on a substrate, the scan line including a straight portion extending along a first direction, an active layer including an oxide semiconductor and overlapping the straight portion of the scan line, the active layer having a first region, a second region, and a third region that are linearly and sequentially aligned along the first direction, a first insulating layer between the active layer and the scan line, a first electrode connected to the first region of the active layer, and a second electrode connected to the third region of the active layer.Type: ApplicationFiled: June 14, 2011Publication date: June 28, 2012Inventors: Won-Mi Hwang, Young-Bae Jung
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Publication number: 20110227838Abstract: A flat panel display integrated with a touch screen panel. The connecting patterns, which connect adjacent first sensing cells and adjacent second sensing cells are formed on the same level of the lower surface of the upper substrate of the flat panel display of the same material as metal patterns formed around the edge of the touch screen panel, and by arranging the connecting patterns not to cross each other. The flat panel display panel can also be integrated with a touch screen having improved visibility by forming the touch screen panel on the upper substrate of the flat panel display such that connecting patterns are formed in the regions between the pixels.Type: ApplicationFiled: September 15, 2010Publication date: September 22, 2011Applicant: Samsung Mobile Display Co., Ltd.Inventors: Hee-Chul JEON, Ji-Eun Kim, Sung-Joo Hwang, Se-Il Cho, Won-Mi Hwang