US 12,471,433 B2
Flexible substrate
Takumi Sano, Tokyo (JP)
Assigned to Magnolia White Corporation, Tokyo (JP)
Filed by Magnolia White Corporation, Tokyo (JP)
Filed on Mar. 28, 2022, as Appl. No. 17/705,388.
Claims priority of application No. 2021-055549 (JP), filed on Mar. 29, 2021.
Prior Publication US 2022/0310950 A1, Sep. 29, 2022
Int. Cl. H10K 39/30 (2023.01); H10K 30/82 (2023.01); H10K 77/10 (2023.01); H10K 102/10 (2023.01)
CPC H10K 39/30 (2023.02) [H10K 30/82 (2023.02); H10K 77/111 (2023.02); H10K 2102/103 (2023.02)] 7 Claims
OG exemplary drawing
 
1. A flexible substrate comprising:
an insulating base including:
an island-shaped portion,
a first strip portion extending from the island-shaped portion in a first direction,
a second strip portion extending from the island-shaped portion from a side opposite to the first strip portion,
a third strip portion extending from the island-shaped portion in a second direction intersecting the first direction, and
a fourth strip portion extending from the island-shaped portion from a side opposite to the third strip portion; and
a photodetector overlapping the island-shaped portion, wherein
the photodetector includes:
a lower electrode,
an upper electrode located above the lower electrode, and
an active layer located between the lower electrode and the upper electrode to generate an electric charge in response to received light for output via the lower electrode,
the lower electrode includes, in a plan view:
a first protruding portion protruding from the island-shaped portion in the first direction,
a second protruding portion protruding from the island-shaped portion from a side opposite to the first protruding portion,
a third protruding portion protruding from the island-shaped portion in the second direction, and
a fourth protruding portion protruding from the island-shaped portion from a side opposite to the third protruding portion,
the first protruding portion overlaps the first strip portion,
the second protruding portion overlaps the second strip portion,
the third protruding portion overlaps the third strip portion, and
the fourth protruding portion overlaps the fourth strip portion.