Back to results
US 2006/0221632 A1Published application
Signboard using LED light source
OwnerYu-Ching Hsuinventor
Life of this patent
Estimating the term…
Abstract
A signboard comprises a frame having its front side mounted with a panel, a reflector behind the panel with a distance therebetween, LED lamps arranged at one or more sides of the frame, and a light guide plate close to the LED lamps to guide the light emitted by the LED lamps from the LED lamps to the panel and to the reflector. Preferably, the frame includes reversible part or movable part to expose the LED lamps. Preferably, the LED lamps are packaged in a module. Preferably, one or more scattering plates are further introduced behind the panel to improve the illumination.
Claims9
A signboard using LED light source, comprising:
- a frame having a front side mounted with a panel thereon;
- a reflector behind the panel with a distance therebetween;
- a plurality of LED lamps arranged at one side of the frame for providing a light to illustrate the panel;
- and
- a light guide plate close to the plurality of LED lamps for guiding the light from the LED lamps to the panel and the reflector.
2 more elements
Dependencies are inferred from the claim text.