An illuminating panel, comprising: a light source layer comprising a plurality of light-emitting components; a conductive layer (20, 21), 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 (20, 21); wherein: the conductive layer (20, 21) 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 (20, 21), 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 (20, 21); wherein: the conductive layer (20, 21) 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.