Detection device
AssigneeJapan Display Inc.
InventorsGen KOIDE, Takashi NAKAMURA
Life of this patent
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Abstract
According to an aspect, a detection device includes: a ring-shaped housing; a light source provided in the housing; a first optical sensor provided in the housing so as to be adjacent to one end of the light source in a circumferential direction of the housing; and a second optical sensor provided in the housing so as to be adjacent to the other end of the light source in the circumferential direction of the housing. At least the first optical sensor is an organic photodiode including a sensor substrate, a lower electrode, a lower buffer layer, an active layer, an upper buffer layer, and an upper electrode.
Claims13
A detection device comprising:
- a ring-shaped housing;
- a light source provided in the housing;
- a first optical sensor provided in the housing so as to be adjacent to one end of the light source in a circumferential direction of the housing;
- and
- a second optical sensor provided in the housing so as to be adjacent to the other end of the light source in the circumferential direction of the housing, wherein
- at least the first optical sensor is an organic photodiode comprising a sensor substrate, a lower electrode, a lower buffer layer, an active layer, an upper buffer layer, and an upper electrode.
Dependencies are inferred from the claim text.