English to Russian Tech/Engineering Electronics / Elect Eng

Referring to Figures 5A-5C, embodiments of the subject invention also pertain to an IR-to-visible upconversion device 500. The IR-to-visible upconversion device 500 can include a photodetector 10 and a light-emitting device (LED) 200. In many embodiments, the LED 200 can be an organic LED (OLED). The IR-to-visible upconversion device 500 can be an IR-to-visible upconversion device with gain, and the photodetector 10 can be a photodetector with gain. In specific embodiments, the IR-to-visible upconversion device can include a photodetector with gain, as illustrated in Figures 1A-1B, 2A-2B, 3A-3B, and 4A-4B and/or as described in connection with the photodetectors of Figures 1A-1B, 2A-2B, 3A-3B, and 4A-4B. The OLED 200 can include at least one electrode, a hole transporting layer (HTL), a light emitting layer (LEL), and an electron transporting layer (ETL).

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