Assertion: led's light | /r/HasProperty | trapped within device
Facets:
value: by total internal reflection
type: CAUSE
value: partially
type: DEGREE
Source sentences:
text: The use of high-reflective-index layer for the ZnO layer confines the WG modes within the interface of the ZnO and the emissive layers and the introduction of ZnO-R improves the out-coupling of the light trapped within the devices and reduces in-plane WG losses.
text: In OLEDs, light produced from the emissive layers of the OLED is partially transmitted out of the device and partially trapped inside the device by total internal reflection (TIR).