| 主权项 |
1. A ventilated electronic sign module, comprising:
a substantially planar-shaped lighting module configured to emit light that is visible to a viewer of the sign; a cabinet supportingly engaging the lighting module, the cabinet including a bottom portion, a rear wall, two opposing side walls, a top wall and a bottom wall, the rear wall being disposed opposite the lighting module such that an air chamber is defined between the cabinet and the lighting module; a substantially vertical partition disposed within the air chamber and extending between the bottom wall and the top wall, and between the lighting module and the rear wall, the partition dividing the air chamber into a first section and a second section; and an electric fan disposed within the cabinet and configured to transfer air from the first section to the second section; wherein the cabinet and/or the lighting module include a plurality of throughholes disposed at the bottom portion and fluidly interconnecting the air chamber to ambient air, a first subset of the throughholes being more closely fluidly connected to the first section than to the second section, a second subset of the throughholes being more closely fluidly connected to the second section than to the first section, and wherein the electric fan is configured to draw air from outside the cabinet through the first subset of throughholes and is configured to blow air out of the cabinet through of the second subset of throughholes. |
