A light-emitting panel comprising: - a front side and a back side; - a first plurality of light-sources arranged in a first light-source layer that is arranged to emit light in a direction towards the front side; - a light-diffusing layer; - a light-sensor for providing a signal based on the sensing of light emitted by light-sources in the first plurality of light-sources following reflection at an object arranged in front of the light-emitting panel, the light sensor being formed by light-sources that are controllable between a light-emitting state and a light-sensing state; - control circuitry configured to control light-sources between the light-emitting state and the light-sensing state, and to control operation of the light-emitting panel based on the signal provided by the light-sensor, characterized in that the light-emitting panel further comprises a second plurality of light-sources arranged in a second light-source layer that is arranged to emit light in a direction towards the front side; wherein the first and second light source layers are separate layers of a stack, the second light-source layer being optically transparent for light emitted by the first plurality of light-sources, wherein the light-diffusing layer is sandwiched between the first light-source layer and the second light-source layer, and arranged and configured to substantially only diffuse light emitted by light-sources in the first plurality of light-sources so that the light-emitting panel is arranged to provide diffused illumination from the first light-source layer and substantially un-diffused illumination from the second light-source layer; and wherein the light-sensor is comprised in the second light-source layer. - a front side and a back side; - a first plurality of light-sources arranged in a first light-source layer that is arranged to emit light in a direction towards the front side; - a light-diffusing layer; - a light-sensor for providing a signal based on the sensing of light emitted by light-sources in the first plurality of light-sources following reflection at an object arranged in front of the light-emitting panel, the light sensor being formed by light-sources that are controllable between a light-emitting state and a light-sensing state; - control circuitry configured to control light-sources between the light-emitting state and the light-sensing state, and to control operation of the light-emitting panel based on the signal provided by the light-sensor, characterized in that the light-emitting panel further comprises a second plurality of light-sources arranged in a second light-source layer that is arranged to emit light in a direction towards the front side; wherein the first and second light source layers are separate layers of a stack, the second light-source layer being optically transparent for light emitted by the first plurality of light-sources, wherein the light-diffusing layer is sandwiched between the first light-source layer and the second light-source layer, and arranged and configured to substantially only diffuse light emitted by light-sources in the first plurality of light-sources so that the light-emitting panel is arranged to provide diffused illumination from the first light-source layer and substantially un-diffused illumination from the second light-source layer; and wherein the light-sensor is comprised in the second light-source layer.