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公开(公告)号：US11626075B2
公开(公告)日：2023-04-11
申请号：US17296001
申请日：2019-09-26
发明人： Tae Hoon Yang , Joon Ho Lee , Kee Chan Park , Ki Bum Kim , Jong Chan Lee , Woong Hee Jeong
IPC分类号： G09G3/3266 , G09G3/3233
摘要： A scan driver includes stage circuits, wherein each of the stage circuits includes a first transistor, wherein a first electrode thereof is coupled to a first node, a second electrode thereof is coupled to an input carry line, and a gate electrode thereof is coupled to a first clock line; and a capacitor, wherein a first electrode thereof is coupled to the first node and a second electrode thereof is coupled to a second node, wherein the second node is coupled to an output carry line, and the second node is selectively coupled to one of a first power voltage line and a second power voltage line.
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公开(公告)号：US11276352B2
公开(公告)日：2022-03-15
申请号：US17075472
申请日：2020-10-20
发明人： Tae Hoon Yang , Joon Ho Lee , Kee Chan Park , Ki Bum Kim , Hyang A Park , Jong Chan Lee , Woong Hee Jeong
IPC分类号： G09G3/3266 , G09G3/20
摘要： A display device includes: a plurality of pixels, each of which is connected to a corresponding one of a plurality of scan lines, and a scan driver including a plurality of stages, each of which supplies a scan signal to a corresponding one of the scan lines, each of the stages includes: a node controller which supplies a second output signal of a previous stage to a first node based on an input signal of a first clock terminal or a first output signal of the previous stage, a first inverter connected between the first node and a second node, a buffer which supplies a voltage of the second node to a first output terminal based on an input signal of a second clock terminal, and a second inverter connected between the first output terminal and a second output terminal.
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公开(公告)号：US11132946B2
公开(公告)日：2021-09-28
申请号：US16876910
申请日：2020-05-18
发明人： Tae Hoon Yang , Joon Ho Lee , Kee Chan Park , Ki Bum Kim , Jong Chan Lee , Woong Hee Jeong
IPC分类号： G09G3/32 , G09G3/20 , G09G3/3225
摘要： An emission signal driver comprises stages connected to emission lines. Each of the stages includes a node controller which supplies a start signal or a carry signal, which is input to a start terminal, to a first node in response to a clock signal input to a clock terminal, a first inverter connected between the first node and a second node, and a second inverter connected between the second node and an output terminal.
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4.发明授权公开(公告)号：US11476316B2
公开(公告)日：2022-10-18
申请号：US17290847
申请日：2019-04-30
发明人： Tae Hoon Yang , Ki Bum Kim , Jong Chan Lee , Woong Hee Jeong
IPC分类号： H01L27/32 , H01L51/56 , G09G3/3233 , H01L27/12
摘要： A pixel including: a light emitting element; a first transistor between a first node and the light emitting element to control current flowing from a first driving power source through the light emitting element to a second driving power source; a second transistor between a data line and the first transistor, and tamed on by a first scan signal; a third transistor between the first transistor and first node, and turned on by the first scan signal; and a fourth transistor between an initialization power line and the first node, and turned on by a second scan signal, wherein the fourth transistor is a tunneling field effect transistor including a source and drain area that are spaced apart from each other and have opposite conductivities, a channel area between the source area and drain area, and a gate electrode on the channel area with a gate insulating layer therebetween.
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公开(公告)号：US11469274B2
公开(公告)日：2022-10-11
申请号：US16927369
申请日：2020-07-13
发明人： Woong Hee Jeong , Ki Bum Kim , Jin Yeong Kim , Hyang A Park , Tae Hoon Yang , Jong Chan Lee
IPC分类号： H01L27/32 , H01L51/52 , G02F1/13 , G02F1/1335 , G02F1/1362
摘要： A display device includes light transmitting areas including a first light transmitting area and light emitting areas around the light transmitting areas and including a first light emitting area disposed around the first light transmitting area, wherein the first light emitting area includes a first-first light emitting area adjacent to a first portion of each of the light transmitting areas, a first-second light emitting area adjacent to a second portion of each of the light transmitting areas, a first-third light emitting area adjacent to a third portion of each of the light transmitting areas, and a first-fourth light emitting area disposed adjacent to a fourth portion of each of the light transmitting areas. The first-first to first-fourth light emitting areas each include at least one of first to third light emitting portions to emit light of first to third colors, respectively.
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公开(公告)号：US20220102422A1
公开(公告)日：2022-03-31
申请号：US17449114
申请日：2021-09-28
发明人： Hyun Wook Lee , Kyung Tae Chae , Ki Bum Kim , Jin Taek Kim
IPC分类号： H01L27/15 , H01L33/00 , H01L33/24 , H01L33/44 , H01L33/38 , H01L33/42 , H01L33/50 , H01L33/58 , H01L33/60
摘要： A display device according to one embodiment of the present disclosure includes: a base layer including a display area; a circuit layer including a conductive pattern in a pixel area of the display area; a first insulating film on the circuit layer, the first insulating film being opened in a contact portion on the conductive pattern; a reflective film on the first insulating film and including a first opening that corresponds to the contact portion; a second insulating film on the reflective film and including a second opening overlapping the first opening; and a display layer on the second insulating film, connected to the conductive pattern through the contact portion, and including a first electrode, a second electrode, and a light-emitting element overlapping the reflective film, wherein, in the contact portion, the reflective film has a wider opening than the second insulating film.
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公开(公告)号：US10777137B2
公开(公告)日：2020-09-15
申请号：US16372296
申请日：2019-04-01
发明人： Tae Hoon Yang , Ki Bum Kim , Jong Chan Lee , Woong Hee Jeong
IPC分类号： G09G3/3233 , G09G3/3266 , G09G3/3283 , H01L27/32
摘要： A pixel including a light emitting element, a first transistor connected between a first node and the light emitting element to control current flowing from a first power supply to a second power supply, a second transistor connected between a data line and the first transistor to be turned on by an ith first scan signal, a third transistor including a P-type TFT connected between the first transistor and the first node to be turned on by the ith first scan signal and, a fourth transistor including an N-type TFT connected between the first node and an initialization power supply line to be turned on by an i−1th scan signal, and a first connection line connected between the third and fourth transistors to electrically connect semiconductor patterns thereof, in which the first connection line is disposed on the third and fourth transistors and contacts the semiconductor patterns thereof.
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公开(公告)号：US11916171B2
公开(公告)日：2024-02-27
申请号：US17327192
申请日：2021-05-21
发明人： Hyun Wook Lee , Ki Bum Kim , Jin Taek Kim , Jung Eun Hong
CPC分类号： H01L33/387 , H01L27/156 , H01L33/62
摘要： A display device includes a substrate, a first electrode and a second electrode which are spaced apart from each other in a second direction, light-emitting elements spaced apart from each other in the first direction, a first contact electrode electrically contacting the light-emitting elements, and a second contact electrode electrically contacting the light-emitting elements. The first contact electrode electrically contacts the first electrode through a first contact portion disposed on the first electrode, the second contact electrode electrically contacts the second electrode through a second contact portion disposed on the second electrode, the first contact portion is disposed on an end portion in the first direction of the first contact electrode, and the second contact portion is disposed on an end portion in the first direction of the second contact electrode.
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公开(公告)号：US11996497B2
公开(公告)日：2024-05-28
申请号：US17156253
申请日：2021-01-22
发明人： Hyun Wook Lee , Ki Bum Kim , Jin Taek Kim , Seung Min Lee , Kwang Taek Hong , Jung Eun Hong
CPC分类号： H01L33/387 , H01L27/156
摘要： A pixel includes a first electrode; a second electrode surrounding at least a portion of the first electrode; a plurality of light emitting elements between the first electrode and the second electrode; a first contact electrode on the first electrode, the first contact electrode electrically connecting the first electrode and the plurality of light emitting elements; a second contact electrode on the second electrode, the second contact electrode electrically connecting the second electrode and the plurality of light emitting elements; and an intermediate electrode on the first electrode and the second electrode, the intermediate electrode comprising a first area overlapping the first electrode and a second area overlapping the second electrode, the first area and the second area being integrally connected to each other.
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公开(公告)号：US11917881B2
公开(公告)日：2024-02-27
申请号：US17944717
申请日：2022-09-14
发明人： Woong Hee Jeong , Ki Bum Kim , Jin Yeong Kim , Hyang A Park , Tae Hoon Yang , Jong Chan Lee
IPC分类号： H10K50/84 , H10K59/12 , H10K59/30 , G02F1/13 , H10K50/844 , H10K59/122 , G02F1/1335 , G02F1/1362 , H10K59/127 , H10K102/00
CPC分类号： H10K59/30 , H10K50/844 , H10K59/122 , G02F1/133512 , G02F1/136209 , H10K59/1275 , H10K2102/00
摘要： A display device includes light transmitting areas including a first light transmitting area and light emitting areas around the light transmitting areas and including a first light emitting area disposed around the first light transmitting area, wherein the first light emitting area includes a first-first light emitting area adjacent to a first portion of each of the light transmitting areas, a first-second light emitting area adjacent to a second portion of each of the light transmitting areas, a first-third light emitting area adjacent to a third portion of each of the light transmitting areas, and a first-fourth light emitting area disposed adjacent to a fourth portion of each of the light transmitting areas. The first-first to first-fourth light emitting areas each include at least one of first to third light emitting portions to emit light of first to third colors, respectively.
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