公开(公告)号：US11289028B2

公开(公告)日：2022-03-29

申请号：US17116512

申请日：2020-12-09

申请人： LG Display Co., Ltd.

发明人： Botaek Lee ,  Junho Bong

IPC分类号： G09G3/3291 ,  H01L27/32

摘要： The present disclosure describes an organic light emitting display device including: a display panel including data lines, gate lines, emission lines, and pixels, a data driver applying data signals to the data lines, and a gate driver applying gate signals and emission signals to the gate lines and the emission lines, respectively. At least one of the pixels may be operated in a first period in which a data voltage is applied, a second period in which the data voltage is remained and a driving current is provided according to the data voltage, and a third period in which the data voltage is remained and light emitting is not performed, where a ratio between lengths of the second and third periods can be adjusted. The at least one pixel may receive a preset voltage in the second period and the third period.

公开(公告)号：US11869433B2

公开(公告)日：2024-01-09

申请号：US17878905

申请日：2022-08-02

申请人： LG Display Co., Ltd.

发明人： Junho Bong ,  Minwoo Park

IPC分类号： G09G3/3233 ,  G09G3/3266

CPC分类号： G09G3/3233 ,  G09G3/3266 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/0626

摘要： A pixel of a display apparatus includes a light emitting device and a pixel circuit connected to first to third gate control lines and the light emitting device, the pixel circuit including first to fourth nodes. The pixel circuit includes a driving transistor connected to the first to third nodes, a first transistor connected to the first gate control line and the first and second nodes, a second transistor connected to the second gate control line, the second node, and a first driving voltage line, a third transistor connected to the first gate control line, the third node, and the fourth node, a fourth transistor connected to the first gate control line, the fourth node, and an initialization voltage line, a fifth transistor connected to the third gate control line, the third node, and a data line, and a storage capacitor between the first node and the fourth node.

公开(公告)号：US11335247B2

公开(公告)日：2022-05-17

申请号：US17121059

申请日：2020-12-14

申请人： LG Display Co., Ltd.

发明人： Junho Bong ,  Minwoo Park

IPC分类号： G09G3/30 ,  G09G3/32 ,  H01L27/32 ,  H01L29/786 ,  H01L27/12

摘要： A light emitting display device includes a pixel circuit including: a first transistor having a first electrode connected to a first node coupled to a first power supply line, a second electrode connected to a second node, and a gate electrode connected to a third node; a second transistor having a first electrode connected to the first node, a second electrode connected to the third node, and a gate electrode connected to a first gate line; a light emitting diode connected to the first transistor; a first capacitor having a first electrode connected to the third node and a second electrode connected to a conductive line and an anode electrode of the light emitting diode; and a second capacitor having a first electrode connected to the third node and a second electrode connected to a constant voltage source which supplies a DC voltage.

公开(公告)号：US10586494B2

公开(公告)日：2020-03-10

申请号：US15294361

申请日：2016-10-14

申请人： LG Display Co., Ltd.

发明人： Junho Bong ,  Changheon Kang ,  Jungmin Lee

IPC分类号： G09G3/3266 ,  G11C19/18 ,  G11C19/28 ,  G09G3/3233

摘要： The present disclosure provides a display device including a display panel and a scan driver. The display panel displays an image. The scan driver includes a scan signal generation circuit disposed on one side of the display panel, and an emission signal generation circuit disposed on the other side of the display panel. The emission signal generation circuit outputs an emission signal having at least two Logic High sections in response to an external clock signal and a first scan signal output from the scan signal generation circuit.

公开(公告)号：US10078983B2

公开(公告)日：2018-09-18

申请号：US15293817

申请日：2016-10-14

申请人： LG Display Co., Ltd.

发明人： Jungmin Lee ,  Junho Bong

IPC分类号： G09G3/3266 ,  G09G3/3225 ,  G09G3/3275 ,  G11C19/18 ,  G11C19/28 ,  G09G3/3233

CPC分类号： G09G3/3266 ,  G09G3/3225 ,  G09G3/3233 ,  G09G3/3275 ,  G09G2300/043 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2310/0286 ,  G09G2310/0289 ,  G09G2310/08 ,  G11C19/186 ,  G11C19/28

摘要： The present disclosure provides a display device including a display panel and a scan driver. The display panel displays an image. The scan driver includes a scan signal generation circuit disposed on one side of the display panel, and an emission signal generation circuit disposed on the other side of the display panel. The emission signal generation circuit outputs an emission signal having at least two Logic High sections in response to an external clock signal and first and second scan signals output from the scan signal generation circuit.