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公开(公告)号：US11869412B2
公开(公告)日：2024-01-09
申请号：US17567827
申请日：2022-01-03
Applicant: Samsung Display Co., Ltd.
Inventor： Hai Jung In , Ki Myeong Eom , Kyong Hwan Oh
IPC: G09G3/3266 , G09G3/20
CPC classification number: G09G3/2092 , G09G2300/0861 , G09G2310/0267 , G09G2310/0275 , G09G2330/00
Abstract: A display device including a pixel connected to a first scan line, a second scan line, a third scan line, an emission control line, and a data line; a first driver supplying a first scan signal to the first scan line in a first period; a second driver supplying a second scan signal to the second scan line in the first period; a third driver supplying a third scan signal to the third scan line in the first and second periods; an emission driver supplying a control signal to the emission control line in the first and second periods; and a data driver supplying a data signal to the data line in the first period, in which a width of the second scan signal is greater than that of the first scan signal to overlap a plural first scan signals respectively supplied to first scan lines during the first period.
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公开(公告)号：US11763710B2
公开(公告)日：2023-09-19
申请号：US17731382
申请日：2022-04-28
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Kwang Sae Lee , Ji-Hyun Ka , Won Kyu Kwak , Ki Myeong Eom , Hai-Jung In
CPC classification number: G09G3/006 , G01R27/08 , G01R31/2836 , G09G3/035 , G09G2300/0426 , G09G2330/12
Abstract: A display device including: a substrate including a display area and a peripheral area peripheral to the display area; a plurality of pads disposed in a pad area, wherein the pad area is disposed in the peripheral area and the pad area includes an integrated circuit (IC); and a first crack detecting line connected to a first pad and a second pad at a first node, and a third pad at a second node, wherein the first crack detecting line is disposed in the peripheral area between the first node and the second node.
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公开(公告)号：US11455938B2
公开(公告)日：2022-09-27
申请号：US17367396
申请日：2021-07-04
Applicant: Samsung Display Co., Ltd.
Inventor： Kyong Hwan Oh , Ji Hyun Ka , Ki Myeong Eom , Hai Jung In , Jin Jeon , Won Kyu Kwak , Hyun Lee , Hwan Soo Jang , Jin Tae Jeong
IPC: G09G3/20 , G09G3/3233
Abstract: A display device includes pixels coupled to first scan lines, second scan lines, emission control lines, and data lines; a first scan driver to supply a scan signal to each of the first scan lines at a first frequency to drive the display device at a first driving frequency, and to supply the scan signal to each of the first scan lines at a second frequency to drive the display device at a second driving frequency lower than the first driving frequency; a second scan driver to supply a scan signal to each of the second scan lines at the first frequency to drive the display device at the first driving frequency, and to supply the scan signal to each of the second scan lines at the second frequency to drive the display device at the second driving frequency; an emission driver to supply an emission control signal to each of the emission control lines at the first frequency; and a data driver to supply a data signal to each of the data lines in response to the scan signal supplied to each of the first scan lines.
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公开(公告)号：US11250745B2
公开(公告)日：2022-02-15
申请号：US16685076
申请日：2019-11-15
Applicant: Samsung Display Co., Ltd.
Inventor： Kwang Sae Lee , Won Kyu Kwak , Ji-Hyun Ka , Gyeong Nam Bang , Ki Myeong Eom
Abstract: An exemplary embodiment of the present inventive concept provides a display device including: a display area where an image is displayed; a peripheral area disposed outside the display area; a hole area disposed within the display area; a hole crack detection line disposed adjacent to the hole area to surround the hole area and having a first end and a second end that is separated from the first end; a first detection line extending from the peripheral area and connected to the hole crack detection line to constitute a first closed circuit; a second detection line extending from the peripheral area and connected to the hole crack detection line to constitute a second closed circuit; and a circuit portion connected to the first detection line and the second detection line.
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公开(公告)号：US20210399080A1
公开(公告)日：2021-12-23
申请号：US17287272
申请日：2019-04-16
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Kwang Sae Lee , Ki Myeong Eom
IPC: H01L27/32
Abstract: A display device includes: a substrate in which a main display area, a first non-display area inside the main display area, and an auxiliary display area between the main display area and the first non-display area are defined; and a display unit including an auxiliary display and a main display. The auxiliary display is disposed on the auxiliary display area and includes a plurality of first auxillary pixels, a plurality of second auxillary pixels, and a plurality of third auxillary pixels. The main display is disposed on the main display area and includes a plurality of main pixels. The plurality of first auxillary pixels is commonly driven by a first driving signal, the plurality of second auxiliary pixels is commonly driven by a second driving signal, and the plurality of third auxillary pixels is commonly driven by a third driving signal.
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Patent Agency Ranking
公开(公告)号：US11114014B2
公开(公告)日：2021-09-07
申请号：US16807505
申请日：2020-03-03
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Dong-Eup Lee , Ji-Hyun Ka , Ki Myeong Eom
IPC: G09G3/20 , G09G3/3266 , G09G3/3275 , G09G3/36
Abstract: A display device includes a display unit including first color subpixels, second color subpixels, and third color subpixels, a scan driver for applying scan signals to scan lines connected to the first color subpixels, the second color subpixels, and the third color subpixels, a switch circuit for selecting first data lines connected to the first color subpixels and the second color subpixels for a first section, and selecting second data lines connected to the third color subpixels for a second section after the first section, and a data driver for applying data signals corresponding to the third color subpixels to the switch circuit for a third section between the first section and the second section, and applying data signals corresponding to the first color subpixels and the second color subpixels to the switch circuit for a fourth section after the second section.
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公开(公告)号：US10991792B2
公开(公告)日：2021-04-27
申请号：US16792410
申请日：2020-02-17
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Mi Hae Kim , Min Ho Ko , Seung Woo Sung , Ki Myeong Eom , Jin Jeon
IPC: H01L27/32 , G09G3/3225 , G09G3/3233 , H01L29/786
Abstract: An organic light emitting diode display includes a plurality of pixels. At least one pixel is connected to a scan line receive a scan signal, a data line to receive a data signal, and voltage line to receive a driving voltage. The at least one pixel includes a switching transistor including a switching drain electrode to output the data voltage, a driving transistor including a driving source electrode connected to the switching drain electrode, and an organic light emitting diode connected to a driving drain electrode of the driving transistor. The driving source electrode is separated from the data line.
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公开(公告)号：US20200090566A1
公开(公告)日：2020-03-19
申请号：US16572700
申请日：2019-09-17
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Kwang Sae Lee , Ji-Hyun Ka , Won Kyu Kwak , Ki Myeong Eom , Hai-Jung In
Abstract: A display device including: a substrate including a display area and a peripheral area peripheral to the display area; a plurality of pads disposed in a pad area, wherein the pad area is disposed in the peripheral area and the pad area includes an integrated circuit (IC); and a first crack detecting line connected to a first pad and a second pad at a first node, and a third pad at a second node, wherein the first crack detecting line is disposed in the peripheral area between the first node and the second node.
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公开(公告)号：US10263058B2
公开(公告)日：2019-04-16
申请号：US15895816
申请日：2018-02-13
Applicant: Samsung Display Co., Ltd.
Inventor： Seung-Kyu Lee , Chae Han Hyun , Ki Myeong Eom
IPC: H01L27/32 , H01L29/786 , H01L27/12
Abstract: An organic light-emitting diode display is disclosed. The display includes a semiconductor layer formed over a substrate, a scan line formed over the semiconductor layer and configured to provide a scan signal, and a light emission control line formed over the semiconductor layer and configured to provide a light emission control signal. The display includes a data line configured to provide a data voltage and a driving voltage line configured to provide a driving voltage, wherein the driving voltage line crosses the scan line and is electrically insulated from the scan line. A switching transistor is electrically connected to the scan line and the data line and includes a switching drain electrode. A driving transistor includes a driving source electrode electrically connected to the switching drain electrode. Any one of the semiconductor layer and the light emission control line includes an extension at least partially overlapping the data line.
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公开(公告)号：US20180342185A1
公开(公告)日：2018-11-29
申请号：US15987268
申请日：2018-05-23
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： KWANG SAE LEE , Jung Hoon Shim , Won Kyu Kwak , Ki Myeong Eom
Abstract: A display device includes a defect inspection circuit, and a display panel having a display area and a peripheral area positioned outside the display area. The display panel includes a sensing wire positioned in the peripheral area and connected to the defect inspection circuit. The defect inspection circuit includes a resistance detection circuit that detects a resistance of the sensing wire based on an output signal corresponding to the sensing wire, a memory that stores first resistance information related to the resistance of the sensing wire detected in a first inspection operation, and a comparator circuit including a first comparator that compares the first resistance information with second resistance information. The second resistance information is related to the resistance of the sensing wire detected in a second inspection operation that is performed at a different time than the first inspection operation.
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