Electronic device and flexible printed circuit board

    公开(公告)号:US10966315B2

    公开(公告)日:2021-03-30

    申请号:US16906124

    申请日:2020-06-19

    Abstract: According to one embodiment, an electronic device includes a panel including a mounting edge and pad portions, a flexible printed circuit board mounted on the panel. The flexible printed circuit board includes a base member including a first surface and a second surface, wiring lines placed on a side of the first surface and a protective layer covering the wiring lines, and including a bent portion, the base member includes a groove portion located in the bend portion and formed in the second surface, the groove portion includes concavity portions extending along a second direction and arranged along the first direction, and a thickness of the base member in a site where the groove portion is formed is less than a thickness of the base member in a site overlapping the driver IC chip.

    Display device and method of manufacturing the same

    公开(公告)号:US12148872B2

    公开(公告)日:2024-11-19

    申请号:US17569351

    申请日:2022-01-05

    Inventor: Kazuyuki Yamada

    Abstract: According to one embodiment, a display device includes a substrate, a drive transistor that is provided on above the substrate, a first insulating layer that is provided above the substrate, a first mounting electrode that is arranged above the first insulating layer, and a light emitting element that is mounted on the first mounting electrode and has a first electrode and a second electrode, the first electrode being electrically connected to the first mounting electrode. The first mounting electrode and the first electrode are made of a metal material and joined to each other. The first mounting electrode has at least one first through hole at a position overlapping the first electrode in plan view.

    Display device, flexible wiring board, and manufacturing method of display device

    公开(公告)号:US11815955B2

    公开(公告)日:2023-11-14

    申请号:US17451050

    申请日:2021-10-15

    Abstract: According to one embodiment, a display device including a display panel including a mount side curved to correspond to the curved shape of a display surface, a flat circuit board, and a first flexible wiring board mounted on the display panel in a first end side while being connected to the circuit board in a second end side, wherein the first flexible wiring board includes a first base member including a first surface and a second surface, a first line positioned in the first surface side, and a first protection layer covering the first line, and includes a first bending part to be bent between a first bending boundary and a second bending boundary, the second bending boundary is inclined with respect to the first bending boundary, and the first base member includes a first groove positioned in the first bending part and formed in the second surface.

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