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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
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：US10263058B2
公开(公告)日：2019-04-16
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 , H01L27/12
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：US20180342185A1
公开(公告)日：2018-11-29
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：US09780331B2
公开(公告)日：2017-10-03
申请号：US14939837
申请日：2015-11-12
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
CPC分类号： H01L51/5253 , G09G3/3233 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2320/045 , H01L27/3262 , H01L27/3265 , H01L27/3276
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：US20140104328A1
公开(公告)日：2014-04-17
申请号：US14054616
申请日：2013-10-15
发明人： Mi Hae Kim , Ki Myeong Eom
IPC分类号： G09G3/32
CPC分类号： G09G3/3225 , G09G3/3233 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2310/067 , G09G2320/0233
摘要： An organic light emitting diode (OLED) display device is disclosed. In one aspect, the OLED display device includes a driver that receives image data and generates a data signal and a scan signal corresponding to the image data, and an organic light emitting display panel that receives the data signal and the scan signal and displays an image corresponding to the image data, wherein the scan signal includes a scan-on period and a scan-off period, and when gray scales of the image data increase, the length of the scan-on period increases.
摘要翻译： 公开了一种有机发光二极管（OLED）显示装置。 在一个方面，OLED显示装置包括接收图像数据并产生对应于图像数据的数据信号和扫描信号的驱动器，以及接收数据信号和扫描信号并显示图像的有机发光显示面板 对应于图像数据，其中扫描信号包括扫描期间和扫描期间，并且当图像数据的灰度级增加时，扫描期间的长度增加。
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公开(公告)号：US11984083B2
公开(公告)日：2024-05-14
申请号：US17246328
申请日：2021-04-30
发明人： Hai Jung In , Ji Hyun Ka , Tae Hoon Kwon , Ki Myeong Eom , Chae Han Hyun
IPC分类号： G09G3/00 , G09G3/3266 , G09G3/3275
CPC分类号： G09G3/3266 , G09G3/3275 , G09G2300/0809 , G09G2320/0209 , G09G2320/0233 , G09G2330/021
摘要： A gate driver includes a stage configured to output a gate signal, the stage including an input part configured to control a voltage of a first node and a voltage of a second node based on signals supplied to a first input terminal and a second input terminal, an output part configured to supply a voltage of a first power source or a voltage of a second power source as the gate signal to an output terminal based on a voltage of a third node and a voltage of a fourth node, a first signal processing part configured to supply the voltage of the second power source to the fourth node based on the voltage of the first node, or to electrically connect the second node and the fourth node through a fifth node based on a signal supplied to a third input terminal, and a second signal processing part including a first transistor connected between the third node and a sixth node to control the voltage of the third node based on an operation of the first transistor.
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公开(公告)号：US11922884B2
公开(公告)日：2024-03-05
申请号：US18171317
申请日：2023-02-17
发明人： Ji Hyun Ka , Seung Ji Cha , Mi Hae Kim , Ki Myeong Eom
IPC分类号： G09G3/20 , G09G3/3225 , G09G3/3233 , G09G3/3258 , G09G3/3266 , G09G3/3275 , G09G3/3291 , H10K50/81 , H10K50/82 , H10K59/131
CPC分类号： G09G3/3258 , G09G3/2092 , G09G3/3225 , G09G3/3233 , G09G3/3266 , G09G3/3275 , G09G3/3291 , H10K50/81 , H10K50/82 , H10K59/131 , G09G2300/0426 , G09G2300/0452 , G09G2300/0465 , G09G2300/0814 , G09G2300/0861 , G09G2300/0866 , G09G2310/0216 , G09G2310/08 , G09G2320/0233 , G09G2320/0238 , G09G2320/0242 , G09G2320/0285 , G09G2330/021 , G09G2360/144
摘要： A display device includes: a first pixel including a first organic light emitting diode; an initialization voltage generator for generating a first initialization voltage to be supplied to an anode of the first organic light emitting diode; and a timing controller including a first lookup table in which a plurality of first initialization voltage values corresponding to a plurality of maximum luminances are recorded, the timing controller being configured to determine a value of the first initialization voltage, based on reception information on a target maximum luminance and the first lookup table.
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公开(公告)号：US11900871B2
公开(公告)日：2024-02-13
申请号：US18111303
申请日：2023-02-17
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
CPC分类号： G09G3/3225 , G09G3/3275 , G09G2320/0626
摘要： A display device including: 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：US11830412B2
公开(公告)日：2023-11-28
申请号：US17953288
申请日：2022-09-26
发明人： 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分类号： G09G3/3233 , G09G3/20
CPC分类号： G09G3/2092 , G09G3/3233 , G09G2310/0251 , G09G2310/0267 , G09G2310/0275 , G09G2310/08 , G09G2340/0435
摘要： 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：US11587510B2
公开(公告)日：2023-02-21
申请号：US17727513
申请日：2022-04-22
发明人： Ji Hyun Ka , Seung Ji Cha , Mi Hae Kim , Ki Myeong Eom
IPC分类号： G09G3/20 , G09G3/3258 , H01L51/52 , G09G3/3233 , G09G3/3291 , H01L27/32 , G09G3/3266 , G09G3/3225 , G09G3/3275
摘要： A display device includes: a first pixel including a first organic light emitting diode; an initialization voltage generator for generating a first initialization voltage to be supplied to an anode of the first organic light emitting diode; and a timing controller including a first lookup table in which a plurality of first initialization voltage values corresponding to a plurality of maximum luminances are recorded, the timing controller being configured to determine a value of the first initialization voltage, based on reception information on a target maximum luminance and the first lookup table.
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