Patent ID: 7997766

Claim:
A light-emitting display panel, comprising: a front plate thereon defining a front side and a back side, and the front plate thereon providing N formed-through apertures, N being a natural number; N heat-conducting/dissipating apparatuses which each corresponds to one of the N-formed through apertures, each of the N heat-conducting/dissipating apparatuses comprising: a cylindrical heat pipe with a flat end surface and a sidewall divided into a neck portion adapted for the corresponding aperture, the neck portion comprising the flat end surface and a part of the sidewall, the flat end surface being perpendicular to an extension direction of the sidewall at the distal end of the neck portion, and a tail portion, the cylindrical heat pipe being composed of copper and inserted into the corresponding aperture via the neck portion thereof, a part of the neck portion being disposed within the thickness of the front plate, such that the tail portion of the cylindrical heat pipe is positioned on the back side of the front plate; and at least one heat-dissipating fin mounted on a circumference of the tail portion of the cylindrical heat pipe; wherein the length of the cylindrical heat pipe exceeds twice the maximum width of the flat surface; a fastening device for fastening the heat-conducting/dissipating apparatus to the back side of the front plate; and N light-emitting apparatuses, which each corresponds to one of the N apertures, being mounted on the flat surface of the cylindrical heat pipe inserted into the corresponding the aperture, wherein each of the N light-emitting apparatuses comprises at least one semiconductor light-emitting diodes, and all of at least one semiconductor light-emitting diodes are disposed within periphery of the flat portion; whereby the heat generated during the operation of each of the N light-emitting apparatuses is conducted by the cylindrical heat pipe corresponding to said one light-emitting apparatus to the back side of the front plate, and then dissipated by the at least one heat-dissipating fin corresponding to said one light-emitting apparatus.