Article having back light
OwnerJen Shieh Shihinventor
Life of this patent
Estimating the term…
Abstract
An article includes a light guide member having an inclined surface and one or more cavities formed in the rear portion, a circuit board is disposed in front of the light guide member and having one or more light sources directed toward the cavities of the light guide member, and a cover member is disposed in front of the circuit board and the light guide member, and the cavities of the light guide member refract the light generated by the light sources toward the inclined surface of the light guide member for generating a back light on the outer peripheral portion of the light guide member and the cover member and for allowing the article to be clearly seen in the dark area or in the dark environment.
Claims7
An article comprising:
- a light guide member including a front portion, and including a rear portion having an inclined surface formed in an outer peripheral portion thereof, and including at least one cavity formed in said rear portion of said light guide member,
- a circuit board disposed in front of said light guide member, and including a light source directed toward said at least one cavity of said light guide member, and
- a cover member disposed in front of said circuit board and said light guide member, and
- said at least one cavity of said light guide member refracting a light generated by said light source toward said inclined surface of said light guide member for generating a back light on the outer peripheral portion of said light guide member and said cover member.
Dependencies are inferred from the claim text.