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公开(公告)号：US20240038147A1
公开(公告)日：2024-02-01
申请号：US18305167
申请日：2023-04-21
Applicant: Samsung Display Co., LTD.
Inventor： Jung Hwan HWANG , Hyun Joon KIM , Kye Uk LEE
CPC classification number: G09G3/32 , G09G3/006 , G09G2300/026 , G09G2330/12 , G09G2310/0275 , G09G2300/0426 , G09G2320/0633
Abstract: A display device includes: first sub-pixels commonly connected to a first global data line, each including a first light emitting element to emit light of a first color; and second sub-pixels commonly connected to a second global data line different from the first global data line, each including a second light emitting element to emit light of a second color different from the first color. At least one of the first sub-pixels includes: a first circuit to supply a driving current to the first light emitting element based on a first global data voltage received from the first global data line; a second circuit to control a supply period of the driving current based on a data voltage received from a data line; and a test transistor including a first electrode connected to an anode of the first light emitting element, and a second electrode connected to the data line.
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公开(公告)号：US20230360584A1
公开(公告)日：2023-11-09
申请号：US18353817
申请日：2023-07-17
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jung Hwan HWANG , Hyun Joon KIM , Kye Uk LEE , Sang Jin JEON , Jun Ki JEONG
IPC: G09G3/22
CPC classification number: G09G3/22 , G09G3/3208
Abstract: A display device includes a first pixel driver connected to a sweep line, the first pixel driver generating a control current based on a first data voltage, a second pixel driver connected to a scan control line, the second pixel driver generating a driving current based on a second data voltage and controlling a period for which the driving current flows, based on the control current, and a light-emitting element connected to the second pixel driver to receive the driving current. The first pixel driver includes a first transistor generating the control current based on the first data voltage, a second transistor providing the first data voltage to a first electrode of the first transistor based on a scan write signal, and a first capacitor including a first capacitor electrode connected to a gate electrode of the first transistor, and a second capacitor electrode connected to the sweep line.
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公开(公告)号：US20230268474A1
公开(公告)日：2023-08-24
申请号：US17896693
申请日：2022-08-26
Applicant: Samsung Display Co., LTD.
Inventor： Jun Ki JEONG , Hyun Joon KIM , Kye Uk LEE , Sang Jin JEON , Jung Hwan HWANG
IPC: H01L33/62 , H01L25/075 , H01L33/38 , G09F9/302 , G09F9/33
CPC classification number: H01L33/62 , G09F9/33 , G09F9/3026 , H01L25/0753 , H01L33/382
Abstract: A display device including a substrate that includes a display area and a non-display area disposed at a side of the display area. The display area includes first through fourth areas. The fourth area includes a first sub-area adjacent to at least one of the first to third areas, and a second sub-area excluding the first sub-area. At least the second sub-area includes first pixels disposed in a first direction in a first pixel row, second pixels disposed in the first direction in a second pixel row that is a next row of the first pixel row, the second pixels spaced apart from the first pixels, a clock line extending in a second direction intersecting the first direction, and a gate driver including a first stage disposed left of the clock line in a plan view, and a second stage disposed right of the clock line in a plan view.
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公开(公告)号：US20230238497A1
公开(公告)日：2023-07-27
申请号：US18082787
申请日：2022-12-16
Applicant: Samsung Display Co., LTD.
Inventor： Kye Uk LEE , Jae Phil LEE , Hyun Joon KIM , Jung Hwan HWANG
CPC classification number: H01L33/62 , H01L25/0753 , G09G3/32 , H01L33/38 , H01L27/156 , G09F9/33 , G09F9/3026 , G09G2310/0275
Abstract: A display device comprises anode electrodes respectively corresponding to sub-pixels, cathode electrodes respectively corresponding to the sub-pixels and respectively spaced apart from the anode electrodes, a cathode line electrically connected to the cathode electrodes, anode pads respectively overlapping the plurality of anode electrodes in a plan view, cathode pads respectively overlapping the cathode electrodes in a plan view, and a cathode line pad overlapping at least part of the cathode line in a plan view.
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公开(公告)号：US20230238394A1
公开(公告)日：2023-07-27
申请号：US18158421
申请日：2023-01-23
Applicant: Samsung Display Co., LTD.
Inventor： Kye Uk LEE , Nak Cho CHOI , Sang Woo AN , Yong Duck SON , Won Ho JANG , Jung Hwan HWANG , Myung Koo HUR
CPC classification number: H01L27/124 , H01L25/167 , H01L27/1218 , H01L24/05
Abstract: A display device includes a substrate including a first surface, a second surface opposite to the first surface, a first chamfered surface extending from one side of the first surface, a second chamfered surface extending from one side of the second surface, and a side surface connecting the first chamfered surface to the second chamfered surface, a pixel on the first surface of the substrate and including a light emitting element to emit light, a plurality of front pad parts on an edge of the first surface of the substrate and electrically connected to the pixel, a plurality of rear pad parts on an edge of the second surface of the substrate, and a plurality of side surface connection lines on the side surface of the substrate electrically connecting the plurality of front pad parts to the plurality of rear pad parts.
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Patent Agency Ranking
公开(公告)号：US20230230964A1
公开(公告)日：2023-07-20
申请号：US18076148
申请日：2022-12-06
Applicant: Samsung Display Co., LTD.
Inventor： Sang Jin JEON , Hyun Joon KIM , Kye Uk LEE , Jung Hwan HWANG
IPC: H01L25/075 , H01L33/62 , H01L27/12
CPC classification number: H01L25/0753 , H01L33/62 , H01L27/124 , H01L27/1255
Abstract: A display device includes a first data line configured to receive a first data voltage, a second data line configured to receive a second data voltage, a low driving voltage line configured to receive a low driving voltage, and a first sub-pixel connected to the first data line, the second data line, and the low driving voltage line. The first sub-pixel includes a cathode pad electrode connected to the low driving voltage line, a first transistor configured to generate a control current according to the first data voltage of the first data line and having a first gate electrode, an eighth transistor configured to generate a driving current applied to a light emitting element according to the second data voltage of the second data line, and a first capacitor including a first capacitor electrode connected to the first gate electrode, and a second capacitor electrode on the first capacitor electrode.
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公开(公告)号：US20230124542A1
公开(公告)日：2023-04-20
申请号：US17849299
申请日：2022-06-24
Applicant: Samsung Display Co., LTD.
Inventor： Jung Hwan HWANG , Hyun Joon KIM , Kye Uk LEE , Sang Jin JEON , Jun Ki JEONG
IPC: G09G3/22
Abstract: A display device includes: a first pixel driver to generate a control current; a second pixel driver to generate a driving current, and control a period during which the driving current flows, based on the control current; and a light-emitting element connected to the second pixel driver to receive the driving current. The first pixel driver includes: a first transistor to generate the control current based on a first data voltage; and a second transistor to provide the first data voltage to a first electrode of the first transistor based on a scan write signal from a scan write line. The second pixel driver includes: a third transistor to generate the driving current based on the control current; and a fourth transistor to provide a second data voltage to a first electrode of the third transistor based on a scan write signal from the scan write line.
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公开(公告)号：US20180284551A1
公开(公告)日：2018-10-04
申请号：US15852375
申请日：2017-12-22
Applicant: Samsung Display Co., Ltd.
Inventor： Chan Wook SHIM , Jung Hwan HWANG , Jae-Jin SONG , Kook Hyun CHOI
IPC: G02F1/1362 , G02F1/1343 , G09G3/3258
CPC classification number: G02F1/136286 , G02F1/1343 , G02F1/1362 , G09G3/3258 , G09G3/3266 , G09G3/3677 , G09G2300/0426 , G09G2310/0264 , G09G2310/0267 , G09G2310/0281 , G09G2310/0286
Abstract: A display device includes: a display panel in which a plurality of pixels are arranged; a plurality of gate lines disposed in the display panel and transmitting a gate signal to the plurality of pixels; a gate driver disposed in the display panel and including a plurality of stages for generating the gate signal and outputting the gate signal to the plurality of gate lines; and a plurality of clock signal lines disposed in the display panel and transmitting a clock signal to the plurality of stages. Each stage of the plurality of stages includes a clock signal terminal connected to one of the plurality of clock signal lines to receive the clock signal, a first output terminal connected to a corresponding gate line to output the gate signal, and a first transistor and a second transistor connected to the first output terminal. The stages have a substantially same area, and a size of the second transistor of a first stage disposed at an upper portion of the display panel is different from a size of the second transistor of a second stage disposed at a lower portion of the display panel.
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公开(公告)号：US20140267214A1
公开(公告)日：2014-09-18
申请号：US14203272
申请日：2014-03-10
Applicant: Samsung Display Co., Ltd.
Inventor： Jung Hwan HWANG , Beom Jun KIM , Seong Yeol SYN , Bong-Jun LEE , You Mee HYUN
IPC: G09G3/36
CPC classification number: G09G3/2092 , G09G3/3648 , G09G3/3677 , G09G2300/0809 , G09G2310/0286 , G11C19/28
Abstract: A display panel is provided. The display panel includes a display area comprising a gate line and a data line, and a gate driver connected to a terminal of the gate line. The gate driver includes a plurality of stages that are integrated on a substrate, and each stage comprises an inverter unit, an output unit, and a Q node stabilization unit. The output unit includes a first transistor and a first capacitor, wherein the first transistor includes an input terminal for receiving a clock signal, a control terminal connected to a node Q, and an output terminal connected to a gate voltage output terminal to output a gate voltage. A Vgs voltage of a transistor in the Q node stabilization unit has a value of equal to or less than 0 V when the output unit outputs a gate-on voltage.
Abstract translation: 提供显示面板。 显示面板包括包括栅线和数据线的显示区域，以及连接到栅极线的端子的栅极驱动器。 栅极驱动器包括集成在衬底上的多个级，并且每个级包括逆变器单元，输出单元和Q结点稳定单元。 输出单元包括第一晶体管和第一电容器，其中第一晶体管包括用于接收时钟信号的输入端子，连接到节点Q的控制端子和连接到栅极电压输出端子的输出端子以输出栅极 电压。 当输出单元输出栅极导通电压时，Q节点稳定单元中的晶体管的Vgs电压具有等于或小于0V的值。
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公开(公告)号：US20250104603A1
公开(公告)日：2025-03-27
申请号：US18976312
申请日：2024-12-10
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jung Hwan HWANG , Hyun Joon KIM , Kye Uk LEE , Sang Jin JEON , Jun Ki JEONG
IPC: G09G3/22 , G09G3/3208 , G09G3/3233 , G09G3/3241 , G09G3/36
Abstract: A display device includes a first pixel driver connected to a sweep line, the first pixel driver generating a control current based on a first data voltage, a second pixel driver connected to a scan control line, the second pixel driver generating a driving current based on a second data voltage and controlling a period for which the driving current flows, based on the control current, and a light-emitting element connected to the second pixel driver to receive the driving current. The first pixel driver includes a first transistor generating the control current based on the first data voltage, a second transistor providing the first data voltage to a first electrode of the first transistor based on a scan write signal, and a first capacitor including a first capacitor electrode connected to a gate electrode of the first transistor, and a second capacitor electrode connected to the sweep line.
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