Patent ID: 6802628
Filing Date: 2004-10-12
Classification: G02B

Abstract:
A vertically downward back-light module structure comprising:a light-guiding panel having a reflecting surface formed in a bottom portion thereof, the bottom portion having a slot formed externally therein, the slot being defined by a diffusing surface and at least a pair of light entry surfaces formed thereabout the light-guiding panel forming lateral wings respectively extending from the light entry surfaces, the diffusing surface being corrugated with a plurality of first ridges, at least a portion of each of the lateral wings being inclined in angular orientation from a plane defined relative to an opening of the slot; a light source, disposed within the slot external to the light-guiding panel; a reflective element, covering the bottom reflecting surface of the light-guiding panel and enclosing the light source in the slot; and a base, the light-guiding panel and the light source in mounted thereon.