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公开(公告)号：US20200050068A1
公开(公告)日：2020-02-13
申请号：US16358660
申请日：2019-03-19
Applicant: Samsung Display Co., Ltd.
Inventor： Do Yeong PARK , Ki Won PARK , Kyung Ho KIM
IPC: G02F1/1362 , G02F1/1345 , H01L27/12 , H01L25/18 , H01L27/32 , G01R31/28 , G03F7/20
Abstract: A display panel including: a display portion including a plurality of signal lines and a plurality of pixels connected to the signal lines; a peripheral portion provided around the display portion; an integrated circuit (IC) mounting unit provided on the peripheral portion, and including a plurality of driver ICs connected to a data driver; and a test pad portion provided on the peripheral portion and testing the signal lines. The test pad portion includes a gate driver test pad portion including a gate driver test pad unit and a data line test pad unit including a data line test pad unit, the data line test pad unit includes an outermost data line test pad unit provided on respective sides of the data line test pad portion and a plurality of intermediate data line test pad units provided between the outermost data line test pad units.
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公开(公告)号：US20190331953A1
公开(公告)日：2019-10-31
申请号：US16243065
申请日：2019-01-08
Applicant: Samsung Display Co., Ltd.
Inventor： Sae Ron PARK , Do Yeong PARK , Hyun Soo RYU
IPC: G02F1/1339
Abstract: A display device includes: a base substrate including a display area and a peripheral area; a scan driver disposed on the peripheral area of the base substrate; and a spacer overlapping the scan driver, wherein the spacer includes a first spacer and a second spacer which are spaced apart from each other and have different heights.
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公开(公告)号：US20250048885A1
公开(公告)日：2025-02-06
申请号：US18740507
申请日：2024-06-12
Applicant: Samsung Display Co., Ltd.
Inventor： Kyung Bae KIM , Do Yeong PARK , Yong Hee LEE , Ji Hye LEE
IPC: H10K59/80 , G02B27/01 , H10K59/122 , H10K59/131 , H10K59/38 , H10K71/60
Abstract: The present disclosure relates to a display device, and more particularly, to a display device capable of making resonance distances different from each other according to a wavelength of light to be emitted from each pixel while simplifying process steps, a manufacturing method of the display device, and an optical device including the display device. A display device comprises: a substrate; a bank disposed on the substrate and defining a plurality of emission areas; a plurality of pixel electrodes disposed in the plurality of emission areas; and at least one stepped electrode disposed between a pixel electrode of at least one emission area and the substrate. In the respective emission areas, the numbers of stepped electrodes between the respective pixel electrodes and the substrate are different from each other.
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公开(公告)号：US20250015244A1
公开(公告)日：2025-01-09
申请号：US18763799
申请日：2024-07-03
Applicant: Samsung Display Co., LTD.
Inventor： Jin Seon KWAK , Kyung Bae KIM , Do Yeong PARK , Yong Hee LEE
Abstract: A display device may include: a substrate including a display area and a non-display area, the non-display area including a pad area; a transistor and a conductive pattern on the substrate in the display area; a via layer on the transistor and the conductive pattern to cover the transistor and the conductive pattern; a first alignment electrode and a second alignment electrode on the via layer; a light emitting element between the first and second alignment electrodes; a first electrode and a second electrode that are spaced from each other, and electrically connected to the light emitting element; a plurality of pads on the substrate in the pad area; and a dummy pattern on the substrate in the pad area, and spaced from the plurality of pads. The via layer and the dummy pattern may include a same material.
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公开(公告)号：US20240339076A1
公开(公告)日：2024-10-10
申请号：US18421098
申请日：2024-01-24
Applicant: Samsung Display Co., LTD.
Inventor： Dong Woo KIM , Kwi Hyun KIM , Yeon Kyung KIM , Do Yeong PARK
IPC: G09G3/3233
CPC classification number: G09G3/3233 , G09G2300/0819 , G09G2300/0852 , G09G2300/0861 , G09G2310/08
Abstract: A pixel includes a first transistor including a first electrode electrically connected to a first power line, a second electrode, and a gate electrode connected to a first node, a light emitting element including a first electrode, and a second electrode electrically connected to a second power line, a second transistor connected between a data line and a second node, and including a gate electrode electrically connected to a first scan line, a third transistor connected between the second node and the first electrode of the light emitting element, and including a gate electrode electrically connected to a second scan line, a first capacitor connected between the first power line and the first node, and a second capacitor connected between the first node and the second node.
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Patent Agency Ranking
公开(公告)号：US20240258360A1
公开(公告)日：2024-08-01
申请号：US18408953
申请日：2024-01-10
Applicant: Samsung Display Co., LTD.
Inventor： Do Yeong PARK
IPC: H01L27/15
CPC classification number: H01L27/156
Abstract: A display device where it is possible to prevent dark spots by aligning the light emitting elements through a primary alignment process followed by a secondary alignment process to evenly distribute the light emitting elements, and to secure overlapping connections and prevent a voltage drop by electrically connecting all alignment lines to high potential lines and low potential lines having a mesh structure after the alignment process is completed.
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公开(公告)号：US20230317907A1
公开(公告)日：2023-10-05
申请号：US18173725
申请日：2023-02-23
Applicant: Samsung Display Co., LTD.
Inventor： Do Yeong PARK , Kyung Bae KIM , Chong Chul CHAI
CPC classification number: H01L33/62 , H01L25/167 , H01L33/325
Abstract: A display device includes first, second, and third pixels adjacent to each other. Each of the first, second, and third pixels includes: light emitting elements; connection electrodes electrically connected to ends of the light emitting elements; and sub-electrodes on a same layer as the connection electrodes and electrically connected to the connection electrodes, and one of the sub-electrodes of the first pixel is electrically connected to one of the sub-electrodes of the second pixel.
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公开(公告)号：US20230317901A1
公开(公告)日：2023-10-05
申请号：US18057705
申请日：2022-11-21
Applicant: Samsung Display Co., LTD.
Inventor： Yeon Kyung KIM , Jin Seon KWAK , Dong Woo KIM , Do Yeong PARK
CPC classification number: H01L33/62 , H01L33/387 , H01L33/005 , H01L2933/0016 , H01L2933/0066
Abstract: A display device includes a display panel including a display area having a scan area, and having a power area on one side of the scan area, and a non-display area surrounding the display area, and having a pad portion on one side of the non-display area, the pad portion including a first pad including line pads connected to lines of the scan area, a second pad including line pads, and a power pad configured to supply an off signal to a line of the lines of the power area and connected to lines of the power area, and a panel-lighting-test line on at least one side of the power pad, and spaced apart from the power pad.
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公开(公告)号：US20230316964A1
公开(公告)日：2023-10-05
申请号：US18079107
申请日：2022-12-12
Applicant: Samsung Display Co., LTD.
Inventor： Do Yeong PARK , Chong Chul CHAI
CPC classification number: G09G3/006 , G09G3/32 , G09G2330/12 , H01L22/32
Abstract: A display device comprises a display area and a first non-display area located on a side of the display area in a first direction, a first bus pattern disposed in the first non-display area, a second bus pattern disposed in the first non-display area and spaced apart from the first bus pattern in a second direction intersecting the first direction, first voltage lines disposed in the display area, extending in the first direction, and electrically connected to the first bus pattern, second voltage lines disposed in the display area, extending in the first direction, and electrically connected to the second bus pattern, and a first test pad disposed in the first non-display area and disposed between the first bus pattern and the second bus pattern.
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公开(公告)号：US20230282795A1
公开(公告)日：2023-09-07
申请号：US18152709
申请日：2023-01-10
Applicant: Samsung Display Co., LTD.
Inventor： Kyung Bae KIM , Do Yeong PARK , Yong Hee LEE , Jong Woong CHANG , Ki Hyun PYO
CPC classification number: H01L33/62 , H01L25/167 , H01L27/124 , H01L2933/0066
Abstract: A display device includes a substrate, first sub-pixels, second sub-pixels, and third sub-pixels on the substrate, the second sub-pixels being adjacent to the first sub-pixels, and third sub-pixels being spaced from the first sub-pixels with a respective one of the second sub-pixels therebetween, first electrodes and second electrodes on the substrate and located in the sub-pixels, first light-emitting elements, second light-emitting elements, and third light-emitting elements on the first electrodes and the second electrodes and located in the sub-pixels, each of the light-emitting elements comprising a first end and a second end opposite to the first end, and a first connection electrode, a second connection electrode, a third connection electrode, and a fourth connection electrode on the first to third light-emitting elements and located in the sub-pixels, wherein in the first sub-pixel, the first electrodes are extended in a first direction and are spaced from one another.
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