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公开(公告)号：US11355568B2
公开(公告)日：2022-06-07
申请号：US16542850
申请日：2019-08-16
发明人： Ji-Hyun Ka , Taegeun Kim , Ki Myeong Eom , Kwangsae Lee
IPC分类号： H01L27/32 , H01L27/12 , H01L21/44 , H01L29/786 , H01L29/423 , H01L29/417
摘要： An organic light emitting diode (“OLED”) display device includes a substrate having a display region including a light emitting region and a peripheral region, and a pad region located in one side of the display region, a plurality of light emitting structures on the substrate in the light emitting region, and a plurality of fan-out wirings including a low fan-out wiring in the peripheral region on the substrate, a middle fan-out wiring on the low fan-out wiring, the middle fan-out wiring overlapping at least a portion of the low fan-out wiring, and an upper fan-out wiring on the middle fan-out wiring, the upper fan-out wiring overlapping at least a portion of the low fan-out wiring.
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公开(公告)号：US11355041B2
公开(公告)日：2022-06-07
申请号：US17213355
申请日：2021-03-26
发明人： Kwang Sae Lee , Won Kyu Kwak , Ki Myeong Eom
IPC分类号： G09G3/00 , G06F1/16 , G09G3/3291
摘要： A display device includes a display area configured to include a plurality of pixels and a plurality of data lines connected to the pixels. A hole area is disposed within the display area. A hole crack detection line is disposed adjacent to the hole area and surrounds the hole area. The device includes first and second detection lines which include first and second detection transfer lines and first and second detection receiving lines, respectively. A test controller electrically connects the first detection receiving line to a first data line and the second detection receiving line to a second data line. Pixels connected to the first data line that is connected to a first bright-line transistor and pixels connected to the second data line that is connected to a second bright-line transistor are configured to emit light when a crack occurs in the hole crack detection line.
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公开(公告)号：US11341875B2
公开(公告)日：2022-05-24
申请号：US16572700
申请日：2019-09-17
发明人： Kwang Sae Lee , Ji-Hyun Ka , Won Kyu Kwak , Ki Myeong Eom , Hai-Jung In
摘要： 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：USRE49048E1
公开(公告)日：2022-04-19
申请号：US16589776
申请日：2019-10-01
发明人： Seung-Kyu Lee , Chae Han Hyun , Mi Hae Kim , Myeong Hee Seo , Ki Myeong Eom , Ji-Eun Lee
IPC分类号： H01L27/32 , H01L51/52 , G09G3/3233
摘要： An organic light-emitting diode display is disclosed. In one aspect, the display includes a scan line formed over a substrate, a data line formed over the substrate, and a driving voltage line configured to receive a driving voltage. The data line and driving voltage line cross the scan line and are 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 and a driving gate electrode including a first storage electrode. A storage line includes a second storage electrode overlapping the first storage electrode. An OLED is electrically connected to the driving transistor, the second storage electrode including an extension at least partially overlapping the data line.
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公开(公告)号：US11195440B2
公开(公告)日：2021-12-07
申请号：US15987268
申请日：2018-05-23
发明人： Kwang Sae Lee , Jung Hoon Shim , Won Kyu Kwak , Ki Myeong Eom
摘要： 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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公开(公告)号：US10909909B2
公开(公告)日：2021-02-02
申请号：US16440863
申请日：2019-06-13
发明人： Dong Eup Lee , Ki Myeong Eom , Ji Hyun Ka
IPC分类号： G09G3/32 , G09G3/3266 , G09G3/3275 , G09G3/3225
摘要： A display device includes: a display panel including a gate line, an emission signal line, a data line, and a pixel coupled to the gate line, the emission signal line, and the data line; a gate driver configured to provide a gate signal to the gate line; an emission driver configured to provide an emission signal to the emission signal line; a data driver configured to provide a data signal to the data line; and a power supplier configured to provide the display panel with a power voltage for driving the pixel, wherein the emission driver is configured to start operating at a first time point in response to an emission enable signal provided from the data driver, and the gate driver is configured to start operating at a second time point in response to a gate enable signal provided from the data driver.
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公开(公告)号：US10769991B2
公开(公告)日：2020-09-08
申请号：US16177779
申请日：2018-11-01
发明人： Ji Hyun Ka , Tae Hoon Kwon , Ki Myeong Eom , Chung Yi , Se Byung Chae , Deok Jun Choi , Moon Sang Hwang
IPC分类号： G09G3/3275 , G09G3/3225
摘要： A display device includes: a display region including a first pixel region, a second pixel region, and a third pixel region; a dummy region including a first dummy region disposed between the second pixel region and the third pixel region; first, second, and third pixels respectively arranged in the first pixel region, the second pixel region, and the third pixel region in a matrix of vertical lines and horizontal lines; a data converter configured to: receive first image data including effective data corresponding to the display region and dummy data corresponding to the dummy region; and generate second image data by converting a gray scale value of dummy data corresponding to at least one region of the first dummy region in the first image data into a predetermined first gray scale value, the first gray scale value being between a lowest gray scale value and a highest gray scale value.
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公开(公告)号：US20180175128A1
公开(公告)日：2018-06-21
申请号：US15895816
申请日：2018-02-13
发明人： Seung-Kyu Lee , Chae Han Hyun , Ki Myeong Eom
IPC分类号： H01L27/32 , H01L29/786
CPC分类号： H01L27/3262 , H01L27/1255 , H01L27/3265 , H01L27/3276 , H01L29/78696
摘要： 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：US09691837B2
公开(公告)日：2017-06-27
申请号：US14700657
申请日：2015-04-30
发明人： Mi Hae Kim , Min Ho Ko , Seung Woo Sung , Ki Myeong Eom , Jin Jeon
IPC分类号： H01L27/32 , G09G3/3225
CPC分类号： H01L27/3276 , G09G3/3225 , G09G3/3233 , G09G2300/0819 , G09G2310/0262 , G09G2320/0238 , G09G2320/0276 , G09G2320/045 , H01L27/3258 , H01L27/3262 , H01L27/3265 , H01L29/78696
摘要： 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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