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US 12,648,345 B2Granted
Organic photodetector and electronic device having the same
AssigneeSamsung Display Co., Ltd.
InventorsDaeho Lee, Dongkyu Seo, Junyong Shin, Byeongwook Yoo, Seokgyu Yoon, Byungseok Lee
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Abstract
An organic photodetector includes: an anode; a cathode facing the anode; and an active layer disposed between the anode and the cathode and including a first layer and a second layer. The first layer is disposed between the anode and the second layer, the first layer includes a p-type organic semiconductor and an n-type organic semiconductor, and the second layer includes the p-type organic semiconductor.
Claims20
An organic photodetector comprising:
- an anode;
- a cathode facing the anode;
- an active layer disposed between the anode and the cathode, the active layer comprising a first layer and a second layer;
- a hole transport region disposed between the anode and the active layer;
- and
- the hole transport region comprises a hole transport layer,
- wherein:
- the first layer is disposed between the anode and the second layer,
- the first layer comprises a p-type organic semiconductor and an n-type organic semiconductor, and
- the second layer consists only of the p-type organic semiconductor.
7 more elements
An electronic apparatus comprising:
- a substrate comprising a photodetection region and a light-emitting region;
- an organic photodetector disposed on the photodetection region;
- and
- a light-emitting device disposed on the light-emitting region,
- wherein the organic photodetector comprises:
- a first pixel electrode;
- a counter electrode facing the first pixel electrode;
- and
- a first common layer, an active layer, and a second common layer sequentially arranged between the first pixel electrode and the counter electrode,
- wherein the active layer comprises a first layer and a second layer, the first layer disposed between the first pixel electrode and the second layer, wherein:
- the first layer comprises a p-type organic semiconductor and an n-type organic semiconductor, and
- the second layer consists only of the p-type organic semiconductor,
- wherein
- the light-emitting device comprises:
- a second pixel electrode;
- a counter electrode facing the second pixel electrode;
- and the first common layer, an emission layer, and the second common layer sequentially disposed between the second pixel electrode and the counter electrode, and wherein:
- the first pixel electrode and the active layer correspond to the photodetection region,
- the second pixel electrode and the emission layer correspond to the light-emitting region, and
- the first common layer, the second common layer, and the counter electrode correspond to the photodetection region and the light-emitting region as a whole.
17 more elements
Dependencies are inferred from the claim text.