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公开(公告)号：US20180197482A1
公开(公告)日：2018-07-12
申请号：US15864971
申请日：2018-01-08
发明人： Sang Moo CHOI , Min Kyu WOO , Jae Sic LEE
IPC分类号： G09G3/3266
CPC分类号： G09G3/3266 , G09G2310/0205 , G09G2310/0218 , G09G2310/08 , G09G2320/08 , G09G2340/04
摘要： A display device including a display area, first-group pixels and first-group scan lines in a first pixel area, second-group pixels and second-group scan lines in a second pixel area, third-group pixels and third-group scan lines in a third pixel area, a first scan driver to drive the first-group scan lines, a second scan driver to drive the second-group scan lines, and a third scan driver to drive the third-group scan lines, wherein the second scan driver sequentially drives the second-group scan lines during one frame period, and the first and third scan drivers alternately drive the first-group scan lines and the third-group scan lines while the second-group scan lines are driven, and wherein at least one of the first and third scan drivers repeatedly drives at least some of the first-group scan lines and the third-group scan lines two times or more during said one frame period.
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公开(公告)号：US20210295768A1
公开(公告)日：2021-09-23
申请号：US17339808
申请日：2021-06-04
发明人： Chul Kyu KANG , Sung Hwan KIM , Soo Hee OH , Dong Sun LEE , Sang Moo CHOI
IPC分类号： G09G3/32
摘要： A scan driver includes: a first transistor having a first electrode coupled to an output scan line, a second electrode coupled to a first power line, and a gate electrode coupled to a first node; a second transistor having a first electrode coupled to a first clock line, a second electrode coupled to the output scan line, and a gate electrode coupled to a second node; a third transistor having a first electrode coupled to the first node, a second electrode coupled to a first input scan line, and a gate electrode coupled to a second clock line; and a fourth transistor having a first electrode coupled to the second node and a second electrode and a gate electrode, which are coupled to a second input scan line, wherein the first input scan line and the second input scan line are different from each other.
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公开(公告)号：US20210091168A1
公开(公告)日：2021-03-25
申请号：US17115649
申请日：2020-12-08
发明人： Sang Moo CHOI , Mi Hae KIM , Sang Won SEOK , Hwan Soo JANG , Su Jin LEE
IPC分类号： H01L27/32 , H01L51/52 , G09G3/3258
摘要： An organic light emitting display device includes a substrate having a display area and a peripheral area; a pad disposed on the substrate in the peripheral area; a first conductive pattern disposed on one side of the display area in the peripheral area and electrically connected to the pad; a second conductive pattern disposed on the substrate in the peripheral area and disposed on an opposite side of the first conductive pattern; a first connection electrode disposed on the first conductive pattern in the peripheral area and electrically connected to the first conductive pattern; and a second connection electrode disposed on the second conductive pattern in the peripheral area and electrically connected to the second conductive pattern. A cathode electrode of a light emitting diode is disposed on the first and second connection electrodes and electrically connected to the first and second connection electrodes.
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公开(公告)号：US20200211467A1
公开(公告)日：2020-07-02
申请号：US16708344
申请日：2019-12-09
发明人： Chul Kyu KANG , Sung Hwan KIM , Soo Hee OH , Dong Sun LEE , Sang Moo CHOI
IPC分类号： G09G3/3266 , G09G3/3291 , G09G3/3233
摘要： A stage of a scan driver for a display device, the stage includes: an output unit to output to an output terminal either a signal supplied to a first clock terminal corresponding to voltage of a first driving node or a voltage of a second power source corresponding to voltage of a second driving node; an input unit to control the voltage of the first driving node corresponding to signals supplied to a first input terminal, and the input unit to control the voltage of the second driving node corresponding to signals supplied to a second input terminal and a second clock terminal; a first signal processor including a second capacitor coupled between the second driving node and a second node, the first signal processor to control the voltage of the second driving node corresponding to signals supplied to a third clock terminal and a fourth clock terminal, the first signal processor to control a potential difference between both ends of the second capacitor corresponding to the signal supplied to the fourth clock terminal; and a second signal processor to control the voltage of the first driving node corresponding to the signal supplied to the first clock terminal.
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公开(公告)号：US20200175913A1
公开(公告)日：2020-06-04
申请号：US16697690
申请日：2019-11-27
发明人： Chul Kyu KANG , Sung Hwan KIM , Soo Hee OH , Dong Sun LEE , Sang Moo CHOI
IPC分类号： G09G3/32
摘要： A scan driver includes: a first transistor having a first electrode coupled to an output scan line, a second electrode coupled to a first power line, and a gate electrode coupled to a first node; a second transistor having a first electrode coupled to a first clock line, a second electrode coupled to the output scan line, and a gate electrode coupled to a second node; a third transistor having a first electrode coupled to the first node, a second electrode coupled to a first input scan line, and a gate electrode coupled to a second clock line; and a fourth transistor having a first electrode coupled to the second node and a second electrode and a gate electrode, which are coupled to a second input scan line, wherein the first input scan line and the second input scan line are different from each other.
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公开(公告)号：US20200066212A1
公开(公告)日：2020-02-27
申请号：US16505708
申请日：2019-07-09
发明人： Sung Hwan KIM , Sang Moo CHOI , Dae Hyun KIM , Soo Hee OH , Dong Sun LEE
IPC分类号： G09G3/3266
摘要： A pixel circuit includes: an organic light emitting diode (OLED); a first transistor having first and second electrodes and a first gate electrode; a second transistor connected between a data line and the first electrode, controlled by a first scan line; a third transistor connected between the second electrode and the a electrode of the first transistor, controlled by the first scan line; a fourth transistor connected between the first gate electrode and a first initialization voltage line, controlled by a second scan line; a fifth transistor connected between a power line and first electrode, controlled by a first emission line; a sixth transistor connected between the second electrode and the OLED and controlled by a second emission line; and a storage capacitor connected between the first gate electrode and the power line, wherein the first emission line and the second emission line are located at different nodes.
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公开(公告)号：US20240274068A1
公开(公告)日：2024-08-15
申请号：US18642778
申请日：2024-04-22
发明人： Chul Kyu KANG , Sung Hwan KIM , Soo Hee OH , Dong Sun LEE , Sang Moo CHOI
IPC分类号： G09G3/32
CPC分类号： G09G3/32 , G09G2310/0267 , G09G2310/08
摘要： A scan driver includes: a first transistor having a first electrode coupled to an output scan line, a second electrode coupled to a first power line, and a gate electrode coupled to a first node; a second transistor having a first electrode coupled to a first clock line, a second electrode coupled to the output scan line, and a gate electrode coupled to a second node; a third transistor having a first electrode coupled to the first node, a second electrode coupled to a first input scan line, and a gate electrode coupled to a second clock line; and a fourth transistor having a first electrode coupled to the second node and a second electrode and a gate electrode, which are coupled to a second input scan line, wherein the first input scan line and the second input scan line are different from each other.
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公开(公告)号：US20240172500A1
公开(公告)日：2024-05-23
申请号：US18424663
申请日：2024-01-26
发明人： Han Sung BAE , Se Ho KIM , Sun Ja KWON , Dong Wook KIM , Jun Yong AN , Sang Moo CHOI , Jun Won CHOI
IPC分类号： H10K59/131 , G09G3/3225 , G09G3/3233 , G09G3/3266 , H01L27/12 , H10K59/121 , H10K77/10
CPC分类号： H10K59/131 , G09G3/3225 , G09G3/3233 , H01L27/1244 , H10K59/1213 , H10K77/111 , G09G3/3266 , G09G2300/0426 , G09G2300/0809 , G09G2310/0297 , H01L27/1214
摘要： A display device, includes: a display area including an upper side, a lower side, a left side, a right side, and inclined corner portions where the upper, lower, left, and right sides meet; a demultiplexing circuit unit adjacent to the lower side of the display area and the corner portion connected thereto; and a scan transmission line which extends toward the display area from an outer side of the left side and overlaps with the demultiplexing circuit unit outside the corner portion, wherein the demultiplexing circuit unit includes a demultiplexer transistor, and the scan transmission line is formed of a different conductive layer from an electrode of a demultiplexer transistor.
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公开(公告)号：US20220085136A1
公开(公告)日：2022-03-17
申请号：US17532253
申请日：2021-11-22
发明人： Sung Hwan KIM , Won Kyu KWAK , Sang Moo CHOI , Ji-Hyun KA , Chul Kyu KANG , Dong Wook KIM , Won Se LEE
摘要： An organic light emitting diode display includes a substrate, a semiconductor layer on the substrate, the semiconductor layer including a doped area and an undoped area, a first insulation layer that covers the semiconductor layer, a first conductor on the first insulation layer, a second insulation layer that covers the first conductor, a second conductor on the second insulation layer, a third insulation layer that covers the second conductor, and a third conductor on the third insulation layer, wherein, in the semiconductor layer that overlaps the first conductor, the doped area is between undoped areas.
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公开(公告)号：US20210248963A1
公开(公告)日：2021-08-12
申请号：US17245316
申请日：2021-04-30
发明人： Soo Hee OH , Chul Kyu KANG , Dong Sun LEE , Sang Moo CHOI
IPC分类号： G09G3/3266 , G06F1/08 , G09G3/3291
摘要： A stage and a scan driver including the same for supplying a scan signal using a stage formed of P-type transistors to prevent output of an unwanted noise in a period where the scan signal is not supplied.
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