An illuminating panel , comprising: a light source layer comprising a plurality of light-emitting components ; a conductive layer , disposed over a light-emitting side of the light source layer ; and an insulating layer , sandwiched between the light source layer and the conductive layer ; wherein: the conductive layer comprises: at least one signal line , each configured to provide a light-emitting signal to the plurality of light-emitting components to thereby drive emission of lights therefrom; and at least one light-shielding portion , configured to block one portion of the lights from the light source layer from passing therethrough, the illuminating panel is characterized by each of a first subset of the plurality of light-emitting components whose orthographic projection on the insulating layer is completely outside, or partially overlapped with, an orthographic projection of the at least one light-shielding portion on the insulating layer is electrically coupled to, and configured to emit a light upon receiving the light-emitting signal from, one of the at least one signal line ; and each of a second subset (20") of the plurality of light-emitting components whose orthographic projection on the insulating layer is completely inside an orthographic projection of the at least one light-shielding portion on the insulating layer is not electrically coupled to the at least one signal line . a light source layer comprising a plurality of light-emitting components ; a conductive layer , disposed over a light-emitting side of the light source layer ; and an insulating layer , sandwiched between the light source layer and the conductive layer ; wherein: the conductive layer comprises: at least one signal line , each configured to provide a light-emitting signal to the plurality of light-emitting components to thereby drive emission of lights therefrom; and at least one light-shielding portion , configured to block one portion of the lights from the light source layer from passing therethrough, the illuminating panel is characterized by each of a first subset of the plurality of light-emitting components whose orthographic projection on the insulating layer is completely outside, or partially overlapped with, an orthographic projection of the at least one light-shielding portion on the insulating layer is electrically coupled to, and configured to emit a light upon receiving the light-emitting signal from, one of the at least one signal line ; and each of a second subset (20") of the plurality of light-emitting components whose orthographic projection on the insulating layer is completely inside an orthographic projection of the at least one light-shielding portion on the insulating layer is not electrically coupled to the at least one signal line . at least one signal line , each configured to provide a light-emitting signal to the plurality of light-emitting components to thereby drive emission of lights therefrom; and at least one light-shielding portion , configured to block one portion of the lights from the light source layer from passing therethrough, the illuminating panel is characterized by each of a first subset of the plurality of light-emitting components whose orthographic projection on the insulating layer is completely outside, or partially overlapped with, an orthographic projection of the at least one light-shielding portion on the insulating layer is electrically coupled to, and configured to emit a light upon receiving the light-emitting signal from, one of the at least one signal line ; and each of a second subset (20") of the plurality of light-emitting components whose orthographic projection on the insulating layer is completely inside an orthographic projection of the at least one light-shielding portion on the insulating layer is not electrically coupled to the at least one signal line . <EOS>