Light-extraction apparatus for an optical-film lighting set having a visible-light coating

A light-extraction apparatus for an optical-film lighting set having a visible-light coating, comprising:

• a transparent sealed shell formed as a hollow pipe structure;
• an optical film, coated onto the hollow pipe structure to omnidirectionally reflect ultraviolet lights for an angle of reflection ranged from 0˜30+ degrees to 90 degrees but to allow visible lights to penetrate therethrough;
• and
• a visible light layer, wherein said wall of said hollow pipe structure includes a coated area coated by said visible light layer and the rest of said wall other than the coated area is defined as an uncoated area, wherein the coated area occupies 1%˜99% of said wall, said visible light layer coated in a scattering manner onto the hollow pipe structure, having one of fluorescent particles and phosphorescent particles, wherein the one of fluorescent particles and phosphorescent particles are sparsely scattered on a wall of the hollow pipe structure in a predetermined distributed density, arranged as a monolayer coating,
• wherein 1%˜99% of a total area of said coated area is an integrated area of the granular coverage of said one of fluorescent particles and phosphorescent articles of said visible light layer, and the rest of said total area is contributed by integrating areas for inter-particle spacings.

A light-extraction apparatus for an optical-film lighting set having a visible-light coating, comprising:

• a shell body;
• an optical film coated inside the shell body;
• a visible light layer, consisted of one of fluorescent particles and phosphorescent particles, the one of fluorescent particles and phosphorescent particles being coated onto the shell body in a predetermined scattering manner;
• at least one supporting member, mounted inside the shell body and
• an ultraviolet light source for emitting, in an electroluminescence way, ultraviolet lights having a wavelength combination selected from the group of a pair of (one of 253.7 nm±2 nm and 253.7 nm±2 nm, and 184.9 nm±2 nm) and another pair of (one of 147 nm±2 nm and 147 nm±2 nm, and 173 nm±2 nm).

A light-extraction apparatus for an optical-film lighting set having a visible-light coating, comprising:

• a shell body;
• an optical film coated on the shell body;
• a visible light layer, consisted of one of fluorescent particles and phosphorescent particles, the one of fluorescent particles and phosphorescent particles being coated inside the shell body in a predetermined scattering manner;
• a plurality of supporting members, mounted inside the shell body, and
• an ultraviolet light source for emitting, in an electroluminescence way, ultraviolet lights having a wave-length combination selected from the group of a pair of (one of 253.7 nm±2 nm and 253.7 nm±2 nm, and 184.9 nm±2 nm) and another pair of (one of 147 nm±2 nm and 147 nm±2 nm, and 173 nm±2 nm).