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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Publication number: 20240122003Abstract: A display device includes: a circuit layer including: demux circuits in a demux area of a non-display area and electrically connected between data lines and a display driving circuit; a first higher-priority output connection line electrically connected to a higher-priority output terminal of a first demux circuit from among the demux circuits, and extending to the display area; a first lower-priority output connection line electrically connected to a lower-priority output terminal of the first demux circuit, and extending to the display area; and a first input connection line electrically connected to an input terminal of the first demux circuit. One of the first higher-priority output connection line, the first lower-priority output connection line, or the first input connection line is included in the same conductive layer as that of the data lines, and the others are included in a conductive layer different from that of the data lines.Type: ApplicationFiled: June 27, 2023Publication date: April 11, 2024Inventors: Ji Su NA, Su Mi JANG, Won Mi HWANG
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Publication number: 20230386397Abstract: A display device includes a power supply to supply a first initialization power source to the pixels through a first initialization and to supply a second initialization power source to the pixels through a second power line.Type: ApplicationFiled: August 8, 2023Publication date: November 30, 2023Inventors: Kyong Hwan OH, Jin Tae JEONG, Ji Hyun KA, Won Kyu KWAK, Hyung Jun PARK, Chang Soo PYON, Ji Eun LEE, Hai Jung IN, Won Mi HWANG
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Patent number: 11741885Abstract: A display device includes a power supply to supply a first initialization power source to the pixels through a first initialization and to supply a second initialization power source to the pixels through a second power line.Type: GrantFiled: January 27, 2022Date of Patent: August 29, 2023Assignee: Samsung Display Co., LTD.Inventors: Kyong Hwan Oh, Jin Tae Jeong, Ji Hyun Ka, Won Kyu Kwak, Hyung Jun Park, Chang Soo Pyon, Ji Eun Lee, Hai Jung In, Won Mi Hwang
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Publication number: 20230136961Abstract: 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 25, 2022Publication date: May 4, 2023Inventors: Jun Yong AN, Yun Kyeong IN, Jun Won CHOI, Won Mi HWANG
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Patent number: 11569339Abstract: A display device may including: 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: GrantFiled: May 11, 2020Date of Patent: January 31, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jun Yong An, Yun Kyeong In, Jun Won Choi, Won Mi Hwang
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Publication number: 20220157226Abstract: A display device includes a power supply to supply a first initialization power source to the pixels through a first initialization and to supply a second initialization power source to the pixels through a second power line.Type: ApplicationFiled: January 27, 2022Publication date: May 19, 2022Inventors: Kyong Hwan OH, Jin Tae JEONG, Ji Hyun KA, Won Kyu KWAK, Hyung Jun PARK, Chang Soo PYON, Ji Eun LEE, Hai Jung IN, Won Mi HWANG
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Patent number: 11257422Abstract: A display device includes a power supply to supply a first initialization power source to the pixels through a first initialization and to supply a second initialization power source to the pixels through a second power line.Type: GrantFiled: October 22, 2020Date of Patent: February 22, 2022Assignee: Samsung Display Co., Ltd.Inventors: Kyong Hwan Oh, Jin Tae Jeong, Ji Hyun Ka, Won Kyu Kwak, Hyung Jun Park, Chang Soo Pyon, Ji Eun Lee, Hai Jung In, Won Mi Hwang
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Publication number: 20220044637Abstract: 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: October 25, 2021Publication date: February 10, 2022Inventors: Jun Won CHOI, Jun Yong AN, Yun Kyeong IN, Won Mi HWANG
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Patent number: 11222942Abstract: 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: February 1, 2021Date of Patent: January 11, 2022Assignee: Samsung Display Co., Ltd.Inventors: Jun Won Choi, Jun Yong An, Yun Kyeong In, Won Mi Hwang
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Patent number: 11158263Abstract: A display device includes: a plurality of pixels; a plurality of data lines configured to supply data signals to the pixels, a plurality of scan lines configured to supply scan signals to the pixels, and a power line configured to supply a driving power voltage to the pixels. Each of the pixels includes: a display element, a first transistor connected to a first node and configured to control an amount of current supplied to the display element, the first transistor including a gate electrode; a second transistor connected between one of the data lines and the first node, the second transistor including a gate electrode connected to one of the scan lines; and a third transistor connected to the gate electrode of the first transistor, the third transistor including a gate electrode connected to one of the scan lines. The power line overlaps with at least a portion of the first transistor in a plan view, and is disposed on a different layer from the data lines.Type: GrantFiled: February 24, 2020Date of Patent: October 26, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jun Won Choi, Jun Yong An, Yun Kyeong In, Won Mi Hwang
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Publication number: 20210201764Abstract: A display device may include: pixels coupled to first scan lines, second scan lines, emission control lines, and data lines; a first scan driver to supply a first scan signal to the first scan lines in a first period and a second period; a second scan driver to supply a second scan signal to the second scan lines in the first period without supplying the second scan signal to the second scan lines in the second period; an emission driver to supply an emission control signal to the emission control lines in the first period and the second period; a data driver configured to supply data signals to the data lines in the first period without supplying the second scan signal to the second scan lines in the second period; and a power supply to supply a first initialization power source to the pixels through a first initialization and to supply a second initialization power source to the pixels through a second power line.Type: ApplicationFiled: October 22, 2020Publication date: July 1, 2021Inventors: Kyong Hwan Oh, Jin Tae Jeong, Ji Hyun Ka, Won Kyu Kwak, Hyung Jun Park, Chang Soo Pyon, Ji Eun Lee, Hai Jung In, Won Mi Hwang
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Patent number: 11049913Abstract: A display device includes a substrate, a light emitting element located on the substrate, an encapsulation layer covering the light emitting element, a sensing electrode located on the encapsulation layer, a first sensing line including a first portion having a first thickness and a second portion having a second thickness, and a second sensing line extended from the sensing electrode. The second sensing line is in contact with the first portion of the first sensing line. The first thickness and the second thickness are substantially the same. The first portion is positioned higher than the second portion from the substrate.Type: GrantFiled: May 24, 2019Date of Patent: June 29, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jun Won Choi, Won Mi Hwang, Jun Young Min, Kwang Chul Jung
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Publication number: 20210151547Abstract: 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: February 1, 2021Publication date: May 20, 2021Inventors: Jun Won CHOI, Jun Yong AN, Yun Kyeong IN, Won Mi HWANG
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Patent number: 10910463Abstract: 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: February 3, 2020Date of Patent: February 2, 2021Assignee: Samsung Display Co., Ltd.Inventors: Jun Won Choi, Jun Yong An, Yun Kyeong In, Won Mi Hwang
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Patent number: 10891900Abstract: 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: GrantFiled: March 29, 2019Date of Patent: January 12, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun Woong Kim, Seung Kyu Lee, Won Mi Hwang
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Publication number: 20200321428Abstract: A display device may including: 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: May 11, 2020Publication date: October 8, 2020Inventors: Jun Yong AN, Yun Kyeong IN, Jun Won CHOI, Won Mi HWANG
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Publication number: 20200193909Abstract: 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: February 24, 2020Publication date: June 18, 2020Inventors: Jun Won CHOI, Jun Yong AN, Yun Kyeong IN, Won Mi HWANG
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Publication number: 20200176545Abstract: 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: February 3, 2020Publication date: June 4, 2020Inventors: Jun Won CHOI, Jun Yong AN, Yun Kyeong IN, Won Mi HWANG
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Patent number: 10651264Abstract: 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: GrantFiled: December 18, 2017Date of Patent: May 12, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Jun Yong An, Yun Kyeong In, Jun Won Choi, Won Mi Hwang
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Publication number: 20200105840Abstract: A display device includes a substrate, a light emitting element located on the substrate, an encapsulation layer covering the light emitting element, a sensing electrode located on the encapsulation layer, a first sensing line including a first portion having a first thickness and a second portion having a second thickness, and a second sensing line extended from the sensing electrode. The second sensing line is in contact with the first portion of the first sensing line. The first thickness and the second thickness are substantially the same. The first portion is positioned higher than the second portion from the substrate.Type: ApplicationFiled: May 24, 2019Publication date: April 2, 2020Inventors: JUN WON CHOI, WON MI HWANG, JUN YOUNG MIN, KWANG CHUL JUNG