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公开(公告)号：US12266748B2
公开(公告)日：2025-04-01
申请号：US17563478
申请日：2021-12-28
Applicant: Samsung Display Co., LTD.
Inventor： Su Jin Lee , Jae Yong Jang , Jin Woo Choi , Bon Yong Koo
Abstract: A display device includes a substrate including a display area and a non-display area, a pixel circuit portion disposed on the substrate and including a transistor that drives a pixel, and a display element portion disposed on the pixel circuit portion and including a pixel electrode electrically connected to an electrode of the transistor through a bridge pattern. The pixel circuit portion includes a first capping layer disposed between the bridge pattern and the pixel electrode, and the pixel electrode and the bridge pattern are multiple metal layers including a same material.
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公开(公告)号：US12218175B2
公开(公告)日：2025-02-04
申请号：US17282255
申请日：2019-04-01
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jin Woo Choi , Eun A Yang , Hyun Min Cho
Abstract: A display deice includes a pair of first color sub-pixels arranged in a display area in a first direction, each of the pair of first color sub-pixels including at least one first color light emitting element, and a bank enclosing the pair of first color sub-pixels. The bank includes at least two areas having different widths in an area corresponding to each of the pair of first color sub-pixels.
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公开(公告)号：US12170344B2
公开(公告)日：2024-12-17
申请号：US17583800
申请日：2022-01-25
Applicant: Samsung Display Co., LTD.
Inventor： Byung Ju Lee , Dae Ho Song , Jin Woo Choi , Jin Wan Kim , Seung Geun Lee
Abstract: A display device includes a base substrate, a partitioning wall on the base substrate, wherein the partitioning wall includes a first partitioning wall, and a second partitioning wall on the first partitioning wall, and a light emitting element spaced from the partitioning wall and located in a space surrounded by the partitioning wall in a plan view. The first partitioning wall and the light emitting element include a same material. The second partitioning wall includes a transparent conductive oxide.
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公开(公告)号：US12148861B2
公开(公告)日：2024-11-19
申请号：US17718869
申请日：2022-04-12
Applicant: Samsung Display Co., LTD.
Inventor： Jin Woo Choi , Sung Kook Park , Sung Eun Baek , Byung Choon Yang , So Yeon Yoon
Abstract: A display device includes a pixel electrode disposed on a substrate and including a reflective electrode layer and an upper electrode layer, a contact electrode disposed on the pixel electrode, light-emitting elements disposed on the contact electrode and disposed perpendicular to the pixel electrode, a planarization layer disposed on the pixel electrode, the planarization layer filling a space between the light-emitting elements, and a common electrode disposed on the planarization layer and the light-emitting elements, and a size of the contact electrode is equal to a size of each of the light-emitting elements in a plan view, and the upper electrode layer is disposed on the reflective electrode layer and is in a polycrystalline phase.
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公开(公告)号：US10860127B2
公开(公告)日：2020-12-08
申请号：US16200563
申请日：2018-11-26
Applicant: Samsung Display Co., Ltd.
Inventor： Jae Ik Lim , Jin Woo Choi , Won Sang Park
Abstract: A display device has a display surface located at a front surface and an auxiliary sensing surface located at a side surface. The display device includes a display panel including a display area and a non-display area. An input sensing unit is on the display panel and an auxiliary sensing unit is on the auxiliary sensing surface. The auxiliary sensing unit is configured to sense a fingerprint or palm print of a user and is formed in the same layer as any one of the display panel and the input sensing unit.
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Patent Agency Ranking
公开(公告)号：US12272768B2
公开(公告)日：2025-04-08
申请号：US17552152
申请日：2021-12-15
Applicant: Samsung Display Co., LTD.
Inventor： Jin Woo Choi , Sung Kook Park , Dae Ho Song , Tae Hee Lee , Hae Yun Choi
Abstract: There is provided a display device comprising a substrate, a pixel electrode on the substrate, a light emitting element on the pixel electrode, and extending in a thickness direction of the substrate, a common electrode on the light emitting element, a wavelength conversion layer on the common electrode, including wavelength conversion particles for converting first light emitted from the light emitting element into second light, and a selective transmission film on an upper surface and on sides of the wavelength conversion layer, and configured to reflect the first light, and to transmit the second light.
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公开(公告)号：US12074263B2
公开(公告)日：2024-08-27
申请号：US17561382
申请日：2021-12-23
Applicant: Samsung Display Co., LTD.
Inventor： Joo Woan Cho , Jin Woo Choi , Byung Choon Yang , Tae Hee Lee , Hae Yun Choi
CPC classification number: H01L33/505 , H01L33/10
Abstract: According to some embodiments of the present disclosure, there is provided a display device including a substrate, a light emitting element on the substrate and emitting first light, a wavelength conversion layer on the light emitting element and including wavelength conversion particles for converting the first light into second light, a first selective transmission film between the light emitting element and the wavelength conversion layer and reflecting the first light and the second light, which are incident from the wavelength conversion layer, and a second selective transmission film on the wavelength conversion layer and reflecting the first light incident from the wavelength conversion layer and transmitting the second light.
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公开(公告)号：US11996396B2
公开(公告)日：2024-05-28
申请号：US17315946
申请日：2021-05-10
Applicant: Samsung Display Co., LTD.
Inventor： Hyung Il Jeon , Min Woo Kim , Dae Ho Song , Byung Choon Yang , Jin Woo Choi
CPC classification number: H01L25/167 , H01L27/124
Abstract: A display device includes a display panel including a first area and a second area spaced apart from the first area in a plan view. The display panel includes a first base layer including a first pixel, a second base layer facing the first base layer and including a second pixel, a first signal line electrically connected to the first pixel of the first area, a second signal line electrically connected to the second pixel of the second area, and a connection line electrically connecting the first signal line and the second signal line.
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公开(公告)号：US11888086B2
公开(公告)日：2024-01-30
申请号：US17553653
申请日：2021-12-16
Applicant: Samsung Display Co., LTD.
Inventor： Jin Woo Choi , Min Woo Kim , Sung Kook Park , Dae Ho Song , So Yeon Yoon , Joo Woan Cho
IPC: H01L33/00 , H01L25/075
CPC classification number: H01L33/0095 , H01L25/0753 , H01L33/0093 , H01L2933/0016
Abstract: A manufacturing apparatus of a display device, includes: a first unit to transfer a plurality of light emitting elements on a growth substrate to a first film; a second unit to expand the first film; a third unit to retransfer the plurality of light emitting elements to a second film; a fourth unit to determine positions of the plurality of light emitting elements on the second film; a fifth unit to bin the light emitting elements on the second film, and determine an effective light source from among the light emitting elements; a sixth unit to form a plurality of pixels on a substrate, each pixel including a first bonding electrode; a seventh unit to remove the second film after transferring one light emitting element to the first bonding electrode of one pixel; and an eighth unit to form a second electrode on the one light emitting element.
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公开(公告)号：US11881474B2
公开(公告)日：2024-01-23
申请号：US17369344
申请日：2021-07-07
Applicant: Samsung Display Co., LTD.
Inventor： Jin Woo Choi , Min Woo Kim , Dae Ho Song , Byung Choon Yang , Hyung Il Jeon
CPC classification number: H01L25/167 , H01L33/62
Abstract: A display device includes pixels each of which includes a first pixel electrode; a first connection electrode disposed on the first pixel electrode; a second connection electrode spaced apart from the first pixel electrode; a second pixel electrode disposed on the second connection electrode; first light emitting elements disposed between the first pixel electrode and the first connection electrode; and second light emitting elements disposed between the second connection electrode and the second pixel electrode. The first connection electrode is electrically connected to the second connection electrode.
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