Patent ID: 7793447

Claim:
A signboard integral with an LED lamp comprising: a lamp post; and a display device mounted in the lamp post, the display device comprising a box, a luminous member consisting of a printed circuit board and a plurality of LEDs mounted on the printed circuit board being hermetically received in the box, a transparent plate mounted on an opened end of the box, a panel mounted on the transparent plate, the panel having holes representing marks to be shown by the signboard; wherein light emitted from the luminous member radiates through the transparent plate and the holes of the panel so that the marks represented by the holes of the panel can be seen from an outside of the signboard; wherein the lamp post is a rectangular hollow shell; wherein the lamp post comprises a cover and a mounting wall corresponding to the cover, the cover defines a hole so that the display device extends through the hole and is mounted on the mounting wall; and wherein the box of the display device comprises a bottom plate and a circumferential wall extending upwardly from a peripheral edge thereof, a plurality of ears extending horizontally and outwardly from corners of the bottom plate and beyond the circumferential wall.