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公开(公告)号：US11923381B2
公开(公告)日：2024-03-05
申请号：US17945183
申请日：2022-09-15
发明人： Jae Yong Jang , Sun Hwa Lee , Bon Yong Koo , Su Jin Lee
IPC分类号： G09G3/3233 , H01L25/16 , H01L27/12
CPC分类号： H01L27/1255 , G09G3/3233 , H01L25/167 , G09G2300/0426 , G09G2300/0819 , G09G2300/0852 , G09G2300/0861 , G09G2310/0278
摘要： A display device may include a first conductive layer disposed on a substrate, and including an auxiliary bottom line and an additional conductive pattern; a first insulating layer disposed on the substrate and the first conductive layer; a semiconductor pattern disposed on the first insulating layer; a second insulating layer disposed on the first insulating layer and the semiconductor pattern; a second conductive layer disposed on the second insulating layer, and including a conductive pattern and a gate electrode; a third insulating layer disposed on the second insulating layer and the second conductive layer; a connection pattern disposed on the third insulating layer and electrically connected to the conductive pattern; a first electrode disposed on the connection pattern and electrically connected to the connection pattern; and at least one light emitting element disposed on the first electrode and electrically connected to the first electrode.
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公开(公告)号：US11942017B2
公开(公告)日：2024-03-26
申请号：US17707227
申请日：2022-03-29
发明人： Jae Yong Jang , Bon Yong Koo , Sun Hwa Lee , Su Jin Lee
CPC分类号： G09G3/2092 , G09G2300/0426 , G09G2310/0275 , G09G2310/0297 , G09G2310/08
摘要： A display device includes a display panel including a data driver that converts input data into a data signal and supplies the data signal to an output line, a pixel unit including pixels that display an image based on the data signal, a demultiplexer including transistors electrically connected to the output line in the display panel, and transmitting the data signal from the output line to data lines electrically connected to the pixels, and a timing controller that supplies control signals to control a supply timing of the data signal. A number of the transistors are electrically connected in series, and others of the transistors are electrically connected in parallel.
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公开(公告)号：US10706784B2
公开(公告)日：2020-07-07
申请号：US15950516
申请日：2018-04-11
发明人： Sung Hwan Kim , Bon Yong Koo , Sun Kwang Kim , Chong Chul Chai
IPC分类号： G09G3/3266 , G09G3/36
摘要： A stage circuit includes an output circuit configured to supply, to a first output terminal, a first clock signal supplied to a second input terminal or to supply a voltage of a second power source supplied to a second power input terminal, in response to voltages of a first node and a second node, an input circuit configured to control voltages of a third node and a fourth node in response to a shift pulse or a gate start pulse supplied to a first input terminal, a third clock signal supplied to a third input terminal, and a fourth clock signal supplied to a fourth input terminal, and a first driver configured to control the voltages of the first and second nodes in response to both the third clock signal and the voltages of the third and fourth nodes.
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公开(公告)号：US11929034B2
公开(公告)日：2024-03-12
申请号：US17685722
申请日：2022-03-03
发明人： Bon Yong Koo , Sun Hwa Lee , Su Jin Lee , Jae Yong Jang
IPC分类号： G09G3/3275 , G09G3/3266
CPC分类号： G09G3/3275 , G09G3/3266 , G09G2300/0426
摘要： A display device includes a first pixel. The first pixel includes a first light emitting unit electrically connected between a first power line and a second power line. A first driving transistor is electrically connected between the first power line and the first light emitting unit, and controls a current flowing into the first light emitting unit, based on a first data signal from a first data line to a gate electrode. A first initialization transistor is electrically connected between the gate electrode of the first driving transistor and a third power line. A first switching transistor is electrically connected between a first electrode of the first light emitting unit and a first sub-power line. The first light emitting unit includes light emitting elements. The first driving transistor includes a first semiconductor material, and the first initialization transistor includes a second semiconductor material different from the first semiconductor material.
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公开(公告)号：US11657760B2
公开(公告)日：2023-05-23
申请号：US16889606
申请日：2020-06-01
发明人： Jun Hyun Park , Bon Yong Koo , Yu Jin Lee , Kyung Hoon Chung
IPC分类号： G09G3/3258 , G09G3/3233 , G09G3/3266 , G09G3/3275
CPC分类号： G09G3/3258 , G09G3/3233 , G09G3/3266 , G09G3/3275 , G09G2300/0426 , G09G2310/08 , G09G2320/0252
摘要： A light emission driver includes a plurality of stages outputs a light emission control signal. Each of the stages includes an input circuit controlling voltages of a first node and a second node, an output circuit supplying a voltage of first power or a second power to an output terminal, a first signal processor controlling a voltage of a fourth node based on a signal supplied to a third input terminal and a voltage of a fifth node, a second signal processor controlling the voltage of the fourth node in response to the voltage of a third node, a first stabilizer limiting voltage drops of the first node and the second node, and a second stabilizer controlling an electrical connection between the third node and the first node in response to the voltage of the fourth node.
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公开(公告)号：US10158076B2
公开(公告)日：2018-12-18
申请号：US15654149
申请日：2017-07-19
发明人： Bon Yong Koo , Young Wan Seo
IPC分类号： G02F1/136 , H01L51/00 , H01L51/05 , G02F1/1335 , H01L27/11
摘要： The display device includes a first base portion; a semiconductor layer disposed on the first base portion and including a source region, a drain region and a channel region; a first insulating layer disposed on the semiconductor layer; a gate line disposed on the first insulating layer extending in a first direction and overlapping the channel region; a second insulating layer disposed on the gate line; a first connection plug formed in the first and second insulating layer filling a first connection hole exposing the source region; a second connection plug formed in the first and second insulating layer filling a second connection hole exposing the drain region; a first and second conductive pattern disposed on the second insulating layer; a pixel electrode disposed on the second insulating layer and electrically connected to the first conductive pattern; and a data line disposed on the second insulating layer to extend in a second direction.
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公开(公告)号：US12039923B2
公开(公告)日：2024-07-16
申请号：US18328122
申请日：2023-06-02
发明人： Su Jin Lee , Bon Yong Koo , Gyung Soon Park , Dan Won Lim , Jae Yong Jang
IPC分类号： G09G3/32
CPC分类号： G09G3/32 , G09G2330/04
摘要： An emission driver includes stages including a first group of stages. Each of the stages of the first group among the stages include a first carry signal output component that outputs a carry signal having a turn-on level based on a voltage of a first node, and outputs the carry signal having a turn-off level based on a voltage of a second node; a first emission signal output component that outputs an emission signal having a turn-on level based on the voltage of the first node, and outputs the emission signal having a turn-off level based on the voltage of the second node; a first node voltage setting component that sets the voltage of the first node; and a second node voltage setting component that sets the voltage of the second node.
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公开(公告)号：US11295673B2
公开(公告)日：2022-04-05
申请号：US17070438
申请日：2020-10-14
发明人： Jun Hyun Park , Bon Yong Koo , Byung Chang Yu , Yu Jin Lee , Kyung Hoon Chung
IPC分类号： G09G3/3233 , G09G3/3258 , G09G3/3266 , G09G3/3275
摘要： A display device includes a display panel including a plurality of pixels, a timing controller which generates an emission start signal, an emission driver which supplies an emission control signal to the plurality of pixels based on the emission start signal received from the timing controller, a first scan driver which supplies a first scan signal to the plurality of pixels, a second scan driver which supplies a second scan signal to the plurality of pixels, and a data driver which supplies a data signal to the plurality of pixels. The timing controller adjusts a period in which the emission start signal is supplied based on a change of a driving frequency.
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公开(公告)号：US11205380B2
公开(公告)日：2021-12-21
申请号：US16852630
申请日：2020-04-20
发明人： Jun Hyun Park , Bon Yong Koo , Yu Jin Lee , Kyung Hoon Chung , Chong Chul Chai
IPC分类号： G09G3/325 , G09G3/36 , G09G3/3291
摘要： A pixel including: a light-emitting element; a first transistor including a first electrode coupled to a power source and a second electrode coupled to the light-emitting element; a first capacitor between a second and a third node; a second transistor between the third node and a data line and turned on by a scan signal; a third transistor between a first node and the second node and turned on by a first control signal; a fourth transistor between the power source and the third node and turned on by a second control signal; a fifth transistor between the power source and the first electrode of the first transistor and turned on by an emission control signal; a sixth transistor between the second node and the light-emitting element and turned on by a previous emission control signal; and a second capacitor between the power source and the first node.
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公开(公告)号：US11114033B2
公开(公告)日：2021-09-07
申请号：US16855038
申请日：2020-04-22
发明人： Jun Hyun Park , Bon Yong Koo , Yu Jin Lee , Kyung Hoon Chung , Chong Chul Chai
IPC分类号： G09G3/325 , G09G3/36 , G09G3/3291 , G09G3/3266
摘要： A pixel including: a light emitter; a first transistor including first and second electrodes respectively connected to power and the light emitter, the first transistor controlling driving current; a first capacitor between a second and third node; a second transistor between the third node and data line and turned on by a scan signal; a third transistor between a first and second node, and turned on by a control signal; a fourth transistor between power and the third node, and turned on by a emission control signal; a fifth transistor between power and the first electrode, and turned on by the emission control signal; a sixth transistor between the second node and the light emitter, and turned on by another emission control signal; and a second capacitor between power and the first node, wherein the fourth, fifth and sixth transistors turn-on/off at least four times in a non-emission period.
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