| 摘要 |
An OLED device for the detection of ambient light level, comprising: a) a substrate; b) one or more OLED element(s) formed on the substrate and having a common electrical connection for passing current through the OLED element(s); c) one or more transistor circuit(s) for controlling current passing through the OLED element(s); and d) a controller for measuring a current passing through the common electrical connection when the OLED element(s) and/or transistor circuit(s) are exposed to ambient light, for controlling the transistor circuit(s), and for comparing the current measured to an established current response under pre-determined ambient and OLED conditions to determine ambient light level.
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