A semiconductor device has a first semiconductor layer, a second semiconductor layer, and an active layer sandwiched between the first and the second semiconductor layer and emits light from the active layer when a voltage is applied across the first and the second semiconductor layer. Specifically, one or more embodiments of the present invention relate to JFET transistors with a higher diode turn-on voltage. A filtered signal quality value is generated based on the estimated signal quality value. Depending on the nature of the features, the selected visual interface information is placed atop the video signal in a display section not containing any pre-selected features so as not to cover or obscure the features or is placed over specified features that do not significantly contribute to the video signal, such as blank or static screen regions.