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公开(公告)号：US11468843B2
公开(公告)日：2022-10-11
申请号：US16681726
申请日：2019-11-12
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Wonjun Lee , Gichang Lee , Cholho Kim , Gunwoo Yang
IPC: G09G3/3266 , G09G3/3291 , G09G3/20 , G09G3/3233
Abstract: A light emitting display device includes: a first switch connected between a data line and a first node and including a gate connected to a first scan line; a second switch connected between a first driving power line and a second node and including a gate electrode connected to the first node; a first capacitor connected between the first node and the second node; a light emitting element connected between the second node and a second driving power line; a scan driver applying a first A-scan signal and a first B-scan signal during different times to the first scan line; a data driver applying a first initialization signal and a data signal to the data line at different times; and a power supply portion applying a first driving voltage, a second driving voltage, and a third driving voltage to the first driving power line at different times.
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公开(公告)号：US20180011357A1
公开(公告)日：2018-01-11
申请号：US15642102
申请日：2017-07-05
Applicant: Samsung Display Co., Ltd.
Inventor： Gichang Lee , Yongjo Kim , Cholho Kim , Gunwoo Yang , Jihoon Yang , Yongwoo Lee
IPC: G02F1/1368 , G02F1/1362 , H01L29/417 , H01L29/786 , H01L27/12 , G02F1/136
CPC classification number: G02F1/1368 , G02F1/136227 , G02F1/136286 , G02F2001/13606 , G02F2201/122 , G02F2201/124 , G02F2201/40 , G02F2202/103 , H01L27/124 , H01L27/1255 , H01L29/41733 , H01L29/78669
Abstract: A liquid-crystal display including: a gate line extending in a first direction; a gate electrode protruding from the gate line; a gate insulating layer arranged on the gate electrode; an active layer arranged on the gate insulating layer while being insulated from the gate electrode; a data line arranged on the active layer and extending in a second direction; a source electrode protruding from the data line, having a portion overlapping the gate electrode on a plane, and including a plurality of source electrode branches that are separate from each other; a drain electrode being separate from the source electrode, and including a plurality of drain electrode branches, each being arranged between two of the plurality of source electrode branches, and a drain electrode connecting part connecting the plurality of drain electrode branches; a pixel electrode defining a pixel region; a liquid-crystal layer arranged on the pixel electrode.
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公开(公告)号：US10482823B2
公开(公告)日：2019-11-19
申请号：US15852773
申请日：2017-12-22
Applicant: Samsung Display Co., Ltd.
Inventor： Wonjun Lee , Gichang Lee , Cholho Kim , Gunwoo Yang
IPC: G09G3/3266 , G09G3/3291 , G09G3/20 , G09G3/3233
Abstract: A light emitting display device includes: a first switch connected between a data line and a first node and including a gate connected to a first scan line; a second switch connected between a first driving power line and a second node and including a gate electrode connected to the first node; a first capacitor connected between the first node and the second node; a light emitting element connected between the second node and a second driving power line; a scan driver applying a first A-scan signal and a first B-scan signal during different times to the first scan line; a data driver applying a first initialization signal and a data signal to the data line at different times; and a power supply portion applying a first driving voltage, a second driving voltage, and a third driving voltage to the first driving power line at different times.
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公开(公告)号：US09978306B2
公开(公告)日：2018-05-22
申请号：US14848691
申请日：2015-09-09
Applicant: Samsung Display Co., Ltd.
Inventor： Gichang Lee , Insoo Wang , Yongsoo Lee
IPC: G09G5/02 , G09G3/3225
CPC classification number: G09G3/3225 , G02F2201/56 , G09G2300/0452 , G09G2330/021 , G09G2340/0407
Abstract: A display apparatus includes first pixel groups each including first pixels disposed in a display area, and sub-pixel groups each including second pixels disposed at an outermost area of the display area and surrounding the first pixels, in which each of the second pixels has a size smaller than a size of each of the first pixels, the second pixels in each of the sub-pixel groups are respectively connected to each other in parallel.
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5.发明公开公开(公告)号：US20240054959A1
公开(公告)日：2024-02-15
申请号：US18205901
申请日：2023-06-05
Inventor： Kyungho Kim , Keechan Park , Yikyoung You , Sangyong No , Gichang Lee , Nokyung Park , Sunkwun Son , Donghee Shin
IPC: G09G3/3266
CPC classification number: G09G3/3266 , G09G2300/0842 , G09G2310/0286
Abstract: A gate driving circuit includes a capacitor connected between a first gate of a pull-down transistor and a control node, and a control transistor connected between the control node and a ground terminal and having a gate connected to the ground terminal.
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Patent Agency Ranking
公开(公告)号：US20200082764A1
公开(公告)日：2020-03-12
申请号：US16681726
申请日：2019-11-12
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Wonjun Lee , Gichang Lee , Cholho Kim , Gunwoo Yang
IPC: G09G3/3266 , G09G3/3291 , G09G3/3233 , G09G3/20
Abstract: A light emitting display device includes: a first switch connected between a data line and a first node and including a gate connected to a first scan line; a second switch connected between a first driving power line and a second node and including a gate electrode connected to the first node; a first capacitor connected between the first node and the second node; a light emitting element connected between the second node and a second driving power line; a scan driver applying a first A-scan signal and a first B-scan signal during different times to the first scan line; a data driver applying a first initialization signal and a data signal to the data line at different times; and a power supply portion applying a first driving voltage, a second driving voltage, and a third driving voltage to the first driving power line at different times.
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公开(公告)号：US20180182301A1
公开(公告)日：2018-06-28
申请号：US15852773
申请日：2017-12-22
Applicant: Samsung Display Co., Ltd.
Inventor： Wonjun Lee , Gichang Lee , Cholho Kim , Gunwoo Yang
IPC: G09G3/3266 , G09G3/3291
Abstract: A light emitting display device includes: a first switch connected between a data line and a first node and including a gate connected to a first scan line; a second switch connected between a first driving power line and a second node and including a gate electrode connected to the first node; a first capacitor connected between the first node and the second node; a light emitting element connected between the second node and a second driving power line; a scan driver applying a first A-scan signal and a first B-scan signal during different times to the first scan line; a data driver applying a first initialization signal and a data signal to the data line at different times; and a power supply portion applying a first driving voltage, a second driving voltage, and a third driving voltage to the first driving power line at different times.
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公开(公告)号：US20150379930A1
公开(公告)日：2015-12-31
申请号：US14738622
申请日：2015-06-12
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jeongho Lee , Dohyun Kwon , Su-Yeon Sim , Ju-Won Yoon , Gichang Lee , Seungmin Lee , Iljeong Lee , Choongyoul Im
IPC: G09G3/32
CPC classification number: G09G3/3233 , G09G2300/0861 , G09G2310/0251 , G09G2310/0262
Abstract: An organic light emitting display device includes an (i−1)th pixel, an i-th pixel, and an (i+1)th pixel, each including an organic light emitting diode and a driving transistor to control a driving current flowing through the organic light emitting diode. A first node of the i-th pixel, to which a control electrode of the driving transistor of the i-th pixel is connected, is initialized to an initialization voltage in synchronization with an (i−1)th scan signal applied to the i-th pixel, and an anode of the organic light emitting diode of the i-th pixel is initialized to the initialization voltage in synchronization with an i-th scan signal applied to the (i+1)th pixel.
Abstract translation: 有机发光显示装置包括第（i-1）像素，第i像素和第（i + 1）像素，每个像素包括有机发光二极管和驱动晶体管，以控制流过的驱动电流 有机发光二极管。 连接第i个像素的驱动晶体管的控制电极的第i个像素的第一个节点与施加到i的第（i-1）个扫描信号同步地初始化为初始化电压 第i像素的有机发光二极管的阳极与施加到第（i + 1）像素的第i扫描信号同步地初始化为初始化电压。
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公开(公告)号：US12190824B2
公开(公告)日：2025-01-07
申请号：US18205901
申请日：2023-06-05
Inventor： Kyungho Kim , Keechan Park , Yikyoung You , Sangyong No , Gichang Lee , Nokyung Park , Sunkwun Son , Donghee Shin
IPC: G09G3/3266
Abstract: A gate driving circuit includes a capacitor connected between a first gate of a pull-down transistor and a control node, and a control transistor connected between the control node and a ground terminal and having a gate connected to the ground terminal.
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公开(公告)号：US11996026B1
公开(公告)日：2024-05-28
申请号：US18215736
申请日：2023-06-28
Applicant: Samsung Display Co., LTD.
Inventor： Kyungho Kim , Gichang Lee
IPC: G09G3/20 , G09G3/3266 , G09G3/36
CPC classification number: G09G3/20 , G09G3/3266 , G09G3/3677 , G09G2300/0819 , G09G2300/0842 , G09G2310/0286 , G09G2310/04 , G09G2330/021 , G09G2340/0435
Abstract: A scan driver includes a plurality of stages. Each of the plurality of stages includes a control circuit which controls a voltage of a first node and a voltage of a second node in response to an input signal, a first clock signal and a second clock signal, a carry output circuit which outputs a carry signal in response to the voltage of the first node and the voltage of the second node, an enable node controlling circuit which controls a voltage of an enable node in response to the carry signal, an enable signal and an inverted enable signal, a masking circuit which controls a voltage of a third node in response to the voltage of the second node and the voltage of the enable node, and a scan output circuit which outputs a scan signal in response to the voltage of the first node and the voltage of the third node.
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