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公开(公告)号：US20220190077A1
公开(公告)日：2022-06-16
申请号：US17686885
申请日：2022-03-04
Applicant: Samsung Display Co., Ltd.
Inventor： Bogeon Jeon , Jungi Kim , Yangho Jung , Seonhwa Choi
Abstract: A display device includes a light-emitting element on a light-emitting area of a substrate; a thin film transistor connected to the light-emitting element; a first insulating layer between the light-emitting element and the thin film transistor; and a second insulating layer which defines the light-emitting area and is between the thin film transistor and the second insulating layer. The first insulating layer includes a first area corresponding to the light-emitting area and a second area outside the light-emitting area, the first area has a first thickness, and the second area has a second thickness which is less than the first thickness, in a same one light-emitting area, the second insulating layer covers a lateral surface of the first area of the first insulating layer, and a height of the second insulating layer decreases along a direction from the first area to the second area.
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公开(公告)号：US11877480B2
公开(公告)日：2024-01-16
申请号：US17686885
申请日：2022-03-04
Applicant: Samsung Display Co., Ltd.
Inventor： Bogeon Jeon , Jungi Kim , Yangho Jung , Seonhwa Choi
IPC: H10K59/124 , H10K50/844 , H10K71/00 , H10K59/12
CPC classification number: H10K59/124 , H10K50/844 , H10K71/00 , H10K59/1201
Abstract: A method of manufacturing a display device includes providing a transistor on a light-emitting area of a substrate, patterning a first organic layer covering the transistor to provide a first insulating layer, providing a pixel electrode connected to the transistor, and patterning a second organic layer covering the first insulating layer and the pixel electrode to provide a second insulating layer which defines the light-emitting area. The first insulating layer includes a first area corresponding to the light-emitting area, and a second area outside the light-emitting area and having a thickness which is less than a thickness of the first area, within the light-emitting area, the second insulating layer covers edges of the pixel electrode and covers external lateral surfaces of the first area of the first insulating layer, and a height of the second insulating layer decreases along a direction from the first area to the second area.
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公开(公告)号：US11302758B2
公开(公告)日：2022-04-12
申请号：US16598604
申请日：2019-10-10
Applicant: Samsung Display Co., Ltd.
Inventor： Bogeon Jeon , Jungi Kim , Yangho Jung , Seonhwa Choi
Abstract: A display device includes a light-emitting element on a light-emitting area of a substrate; a thin film transistor connected to the light-emitting element; a first insulating layer between the light-emitting element and the thin film transistor; and a second insulating layer which defines the light-emitting area and is between the thin film transistor and the second insulating layer. The first insulating layer includes a first area corresponding to the light-emitting area and a second area outside the light-emitting area, the first area has a first thickness, and the second area has a second thickness which is less than the first thickness, in a same one light-emitting area, the second insulating layer covers a lateral surface of the first area of the first insulating layer, and a height of the second insulating layer decreases along a direction from the first area to the second area.
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公开(公告)号：US20200168681A1
公开(公告)日：2020-05-28
申请号：US16598604
申请日：2019-10-10
Applicant: Samsung Display Co., Ltd.
Inventor： Bogeon Jeon , Jungi Kim , Yangho Jung , Seonhwa Choi
Abstract: A display device includes a light-emitting element on a light-emitting area of a substrate; a thin film transistor connected to the light-emitting element; a first insulating layer between the light-emitting element and the thin film transistor; and a second insulating layer which defines the light-emitting area and is between the thin film transistor and the second insulating layer. The first insulating layer includes a first area corresponding to the light-emitting area and a second area outside the light-emitting area, the first area has a first thickness, and the second area has a second thickness which is less than the first thickness, in a same one light-emitting area, the second insulating layer covers a lateral surface of the first area of the first insulating layer, and a height of the second insulating layer decreases along a direction from the first area to the second area.
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