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公开(公告)号：US20230126321A1
公开(公告)日：2023-04-27
申请号：US18088377
申请日：2022-12-23
Applicant: Samsung Display Co., LTD.
Inventor： Kyung Bae KIM , Mee Hye JUNG , Chong Chul CHAI
Abstract: A display device includes a substrate and pixels. The substrate includes: a display area including pixel areas, each including a first area and a second area; and a non-display area enclosing at least one side of the display area. The pixels are disposed on the pixel areas, each pixel including light emitting elements. Each pixel further includes: a pixel circuit part disposed on the first area and including at least one transistor and at least one capacitor; and a display element part disposed on the second area and including an emission area to emit light. Each of the pixel circuit part and the display element part has a multi-layer structure including one or more conductive layers and one or more insulating layers. At least one layer of the pixel circuit part and at least one layer of the display element part are disposed in a same layer.
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公开(公告)号：US20230075783A1
公开(公告)日：2023-03-09
申请号：US17834480
申请日：2022-06-07
Applicant: Samsung Display Co., LTD.
Inventor： Na Hyeon CHA , Sun Kwun SON , Dong Hee SHIN , Chong Chul CHAI
IPC: G09G3/20
Abstract: A display device includes a display panel including pixels in a display area, scan lines disposed in the display area and electrically connected to the pixels, a gate driving circuit disposed in the display area and electrically connected to the scan lines, and clock lines disposed in the display area and electrically connected to the gate driving circuit. The gate driving circuit includes stage blocks adjacent to each other and outputting a scan signal in response to a clock signal provided through a corresponding clock line among the clock lines, and a scan signal output from a stage block among the stage blocks is supplied to scan lines of another stage block among the stage blocks.
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公开(公告)号：US20220199598A1
公开(公告)日：2022-06-23
申请号：US17476948
申请日：2021-09-16
Applicant: Samsung Display Co., LTD.
Inventor： Kyung Bae KIM , No Kyung PARK , Chong Chul CHAI , Do Yeong PARK
Abstract: A display device includes a first electrode extended in a first direction, a second electrode spaced apart from the first electrode in a second direction and extended in the first direction, a first insulating layer on the first and second electrodes, light-emitting elements on the first insulating layer, each having at least an end disposed on the first electrode or the second electrode, a second insulating layer disposed on the light-emitting elements and extended in the first direction, and a first connection electrode disposed on the first electrode and electrically contacting the light-emitting elements, a second connection electrode disposed on the second electrode and electrically contacting the light-emitting elements. Each of the first and second connection electrodes includes a main portion electrically contacting the light-emitting elements, and a subsidiary portion having a width smaller than a width of the main portion and electrically connected to the main portion.
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公开(公告)号：US20210366888A1
公开(公告)日：2021-11-25
申请号：US17243125
申请日：2021-04-28
Applicant: Samsung Display Co., Ltd.
Inventor： Kyung Bae KIM , Min Kyu WOO , Do Yeong PARK , Mee Hye JUNG , Chong Chul CHAI
Abstract: A display device includes a conductive layer including a first voltage line and a second voltage line extending in a first direction; an interlayer insulating layer on the conductive layer and including a plurality of contact holes that expose parts of the conductive layer; a plurality of first-type electrodes on the interlayer insulating layer and electrically connected to the conductive layer through the plurality of contact holes, a plurality of second-type electrodes on the interlayer insulating layer and extending in the first direction, a plurality of light-emitting elements on pairs of the first-type and the second-type electrodes that are spaced from each other in the second direction; first-type contact electrodes on the first-type electrodes and in contact with the light-emitting elements; and second-type contact electrodes on the second-type electrodes and in contact with the light-emitting elements, each of the second-type contact electrodes includes contact electrode extensions on the second-type electrodes.
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公开(公告)号：US20210249576A1
公开(公告)日：2021-08-12
申请号：US17240669
申请日：2021-04-26
Applicant: Samsung Display Co., Ltd.
Inventor： Kyung Bae KIM , Min Jae JEONG , Chong Chul CHAI
Abstract: A display device includes a substrate including a plurality of pixels; an electrode part including a first electrode in each pixel of the plurality of pixels on the substrate and a second electrode spaced apart from the first electrode on a same plane; a plurality of light emitting devices spaced apart from each other between the first electrode and the second electrode; a power line part including a first power line between the substrate and the first electrode, the first power line to receive a first driving power source, and a second power line between the substrate and the second electrode, the second power line to receive a second driving power source; and a shielding electrode line between the power line part and the first electrode, the shielding electrode line to receive the first driving power source.
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Patent Agency Ranking
公开(公告)号：US20210126079A1
公开(公告)日：2021-04-29
申请号：US16988984
申请日：2020-08-10
Applicant: Samsung Display Co., LTD.
Inventor： Kang Moon JO , Chong Chul CHAI , Jun Hyun PARK , An Su LEE
IPC: H01L27/32
Abstract: An organic light emitting diode display includes a substrate, a semiconductor pattern disposed on the substrate, a first conductive layer disposed on the semiconductor pattern and including a first gate electrode having an island-shaped structure, a second gate electrode having an island-shaped structure, and a third gate electrode having an island-shaped structure, and a second conductive layer disposed on the first conductive layer and including a first initialization voltage line overlapping the first gate electrode, a scan line overlapping the second gate electrode, and a control signal line overlapping the third gate electrode, where the control signal line is electrically connected to the third gate electrode, the scan line is electrically connected to the second gate electrode, and the first initialization voltage line, the scan line, and the control signal line extend in a first direction.
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公开(公告)号：US20210125560A1
公开(公告)日：2021-04-29
申请号：US17062971
申请日：2020-10-05
Applicant: Samsung Display Co., Ltd.
Inventor： Jun Hyun PARK , Chong Chul CHAI , Young Wan SEO , An Su LEE , Bo Yong CHUNG , Kang Moon JO
IPC: G09G3/3258
Abstract: A pixel circuit includes a first switching element including a control electrode connected to a first node, an input electrode which receives a first power voltage and an output electrode connected to a third node, a second switching element including a control electrode which receives a compensation gate signal, an input electrode connected to a second node and an output electrode connected to the third node, a third switching element including a control electrode which receives a write gate signal, an input electrode connected to the first node and an output electrode connected to the second node, a storage capacitor including a first electrode which receives an initialization voltage and a second electrode connected to the first node, a program capacitor which receives a data voltage and connected to the second node, and an organic light emitting element connected to the third node and which receives a second power voltage.
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公开(公告)号：US20210057623A1
公开(公告)日：2021-02-25
申请号：US16998629
申请日：2020-08-20
Applicant: Samsung Display Co., Ltd.
Inventor： Kyung Bae KIM , Ji Eun LEE , Chong Chul CHAI
IPC: H01L33/62 , H01L25/16 , H01L25/075
Abstract: A display device includes: a substrate including first areas and second areas alternately arranged in a first direction in a plane view; a first electrode and a second electrode on the substrate and spaced apart from each other in a second direction crossing the first direction; a first insulation layer on the substrate and covering the first electrode and the second electrode; and a light emitting element on the first insulation layer and electrically connected to the first electrode and the second electrode, the first insulation layer having a first thickness in the first area and a second thickness thicker than the first thickness in the second area, and the light emitting element being located in the first area.
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公开(公告)号：US20200273397A1
公开(公告)日：2020-08-27
申请号：US16737602
申请日：2020-01-08
Applicant: Samsung Display Co., Ltd.
Inventor： Min Jae JEONG , Kyung Bae KIM , Chong Chul CHAI , Kyung Hoon CHUNG
IPC: G09G3/32 , H01L33/36 , H01L25/075 , H01L33/62
Abstract: A display device includes a light-emitting diode including a first conductivity-type semiconductor, an active layer, and a second conductivity-type semiconductor; a first voltage line to which a first voltage is applied; a second voltage line to which a second voltage is applied; a first transistor including a source electrode electrically connected to the first voltage line and a drain electrode electrically connected to a first electrode of the light-emitting diode and to the first conductivity-type semiconductor; a second transistor including a drain electrode electrically connected to a gate electrode of the first transistor and a source electrode electrically connected to a data line to apply a data signal; a capacitor electrically connected to the gate electrode of the first transistor and the first electrode; and a third transistor including a source electrode electrically connected to the second voltage line and a drain electrode electrically connected to the first electrode.
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公开(公告)号：US20200258938A1
公开(公告)日：2020-08-13
申请号：US16784935
申请日：2020-02-07
Applicant: Samsung Display Co., Ltd.
Inventor： Chong Chul CHAI , Kyung Bae KIM , Mee Hye JUNG , Jin Oh KWAG , Min Jae JEONG
IPC: H01L27/15 , H01L27/12 , H01L33/62 , H01L49/02 , H01L23/552
Abstract: A display device includes: a substrate including a pixel; a scan line for supplying a scan signal to the pixel; a data line for supplying a data signal to the pixel; a first power line for supplying a first driving power source to the pixel; a second power line for supplying a second driving power source to the pixel; and a third power line for supplying a ground voltage to the pixel. The pixel includes: first and second electrodes spaced apart from each other on the substrate; a plurality of light emitting elements, each of the light emitting elements having first and second end portions in a length direction thereof and being arranged between the first electrode and the second electrode; and a first switch electrically connected between the third power line and the first electrode. The first switch is configured to be turned on by a control signal.
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