Luminescent apparatus

• US 20040179376A1
• Filed: 03/10/2003
• Published: 09/16/2004
• Est. Priority Date: 03/10/2003
• Status: Abandoned Application

• Current Assignee: Everjet Industrial Limited
• Original Assignee: Everjet Industrial Limited
• Inventors: Yeung, Tai Wing David, Chan, Kwok Lit
• Application Number:
  US10/383,732
• Publication Number:
  US 20040179376A1
• Time in Patent Office: Days
• US Class Current: 362/339
• CPC Class Codes: F21S 6/00 Lighting devices intended to be free-standing F21S9/00, F21S10/00, F21S13/12 take precedence lighting devices specially adapted to be transported from place to place, e.g. lighting devices carried on wheeled supports F21L; details of supports for lighting devices F21V21/00
• CPC Class Codes: F21S 6/001 being candle-shaped with varying lighting effect of simulating flames F21S10/04; string of light sources F21S4/00
• CPC Class Codes: F21V 5/10 comprising photoluminescent material
• CPC Class Codes: F21V 7/0008 providing for indirect lighting
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]

Abstract

A lighting device (10, 11) including:

(a) a light source,

(b) a distal light scattering means,

(c) a transparent or translucent surface,

(d) the distal light scattering means being disposal at a distance away from the light source and outside said housing (60),

(e) the distal light scattering means becomes generally luminous when illuminated by the light source, and

(f) the light source being surrounded by a housing (60) including at least a transparent or translucent surface.

Claims

1. Alighting device (10, 11) including:

(a) a light source,

(b) a distal light scattering means,

(c) a transparent or translucent surface,

(d) said distal light scattering means being disposal at a distance away from said light source and outside said housing (60),

(e) said distal light scattering means becomes generally luminous when illuminated by said light source, and

(f) said light source being surrounded by a housing (60) including at least a transparent or translucent surface.

2. A light device of claim 1, wherein said light source includes a light-emitting body which includes a light-emitting element, a light reflector and a light diffusing member, said light-emitting element being disposed intermediate of said light reflector and said light diffusing element, said light reflector being disposed to reflect light emitted by said light emitting element towards said light diffusing member and said distal light scattering means.

3. A lighting device of claim 2, wherein said light diffusing member includes a clear transparent body with a generally dome-shaped head, the top of said dome-shaped head being generally aligned towards said distal light scattering means.

4. A lighting device of claim 2, wherein said light source includes a packaged light-emitting diode (LED) including said light-emitting element, said light reflector and said light diffusing member packaged together.

5. A lighting device of claim 1, wherein a light scattering optical guide is disposed between said light source and said distal light scattering means, said distal light scattering means being luminous when said light source emits light during normal use.

6. A lighting device of claim 1, wherein an optical guide (70) is disposed between said light source and said distal light scattering means so that light emerging from said light source can be guided along said optical guide towards said distal light scattering means.

7. A lighting device of claim 6, wherein said optical guide includes an elongated hollow tubular member generally extending between said light source and said distal light scattering means.

8. A lighting device of claim 7, wherein the cross-sectional area of the aperture (71) of said hollow tubular member juxtaposing said light source is substantially larger than the light-emitting surface of said light source projected along the direction extending between said light source and said distal light scattering means.

9. A lighting device of claim 8, wherein an optical collimating means (72, 73) is disposed to collimate light generated by said light source towards said aperture of said hollow tubular member juxtaposing said light source.

10. A light device of claim 6, wherein said optical guide being luminous when said light source emits light during normal use.

11. A lighting device of claim 1, wherein said distal light scattering means include a hollow light scattering body with a light admitting aperture, said light admitting aperture being aligned.

12. A lighting device of claim 11, wherein said hollow light scattering member includes a hollow body made of a highly refractive transparent or translucent material.

13. A lighting device of claim 12, wherein the outer surface of said hollow body being generally faceted.

14. A lighting device according to claim 1, wherein a transparent focusing means (72) is disposed between said light source and said distal light scattering means.

15. A lighting device according to claim 1, wherein a reflective focusing means (73) is disposed to focus light from said light source to said distal light scattering means.

16. A lighting device according to claim 15, wherein said reflective focusing means being semi-reflective.

17. A lighting device according to claim 5, wherein the luminosity of said light scattering optical guide gradually diminishes as said light scattering optical guide extends away from said light source and becomes non-luminescent at a distance before the distal end of said light scattering optical guide, wherein said scattering means (30) being disposed juxtaposing said distal end of said light scattering optical guide being luminous.

18. A lighting device of claim 1, wherein said light source includes at least a light-emitting diode.

19. Alighting device (10, 11) including:

a. a light source (20),

b. a first distal light scattering means,

c. a second distal light scattering means, and

d. an optical connection means interconnecting said light source, said first distal light scattering means and said second distal light scattering means, wherein said first and said second distal light scattering means being luminous when said light source is generating light.