Brightness improving structure of light-emitting module with an optical film surface layer

Brightness improving structure of light-emitting module with an optical film surface layer

  • CN 101,896,991 A
  • Filed: 11/30/2007
  • Published: 11/24/2010
  • Est. Priority Date: 11/30/2007
  • Status: Active Grant
First Claim
Patent Images

1. Claima kind of brightness improving structure of optical film surface layer luminescence component, it is characterised in that:

  • It includes:

    One transparent shell, it is a hollow sphere, and with the first wall and the second wall positioned at relative position, the first described wall has the first medial and lateral wall, and the second wall is adjacent in the first wall and with the second medial and lateral wall;

    One optical thin film, there is the multilayer film of the logical filtering functions of long wave for a non-full angle, it is to be coated on the first wall of described transparent shell and account for more than the 30% of the first wall surface area, described optical thin film by least containing excite fluorescent/phosphorescent layer ultraviolet light or blue light reflected, and the visible light source at least containing the long-wave band including visible wavelength, the optical thin film described in it penetrates injection;

    One illuminating part, it is a ball region, is arranged on the inside of the transparent shell, and described illuminating part sends ultraviolet light or blue light;

    One visible photosphere, is made up of fluorescence/upright stone tablet photosphere, is to be coated on the second wall of described transparent shell, ultraviolet light or blue light are excited as visible light source.2. the brightness improving structure of optical film surface layer luminescence component according to claim 1, it is characterised in that:

    The A points of any point to the ball heart B of illuminating part distance are c on the reflecting layer of the optical thin film, A is connected with B'"'"'s, the as normal at A point reflections angle, the distance that A points in reflecting layer are projected at the tangent line of the illuminating part outer peripheral edge is b, the radius r of the illuminating part, the reflecting layer A of optical thin film incidence angle is c, then described illuminating part central point B to reflecting layer A should be greater than apart from c or equal to cscaxr, i.e. c >

    =cscc xr.3. the brightness improving structure of optical film surface layer luminescence component according to claim 1, it is characterised in that:

    Described illuminating part is that ultraviolet light or blue light emitting pipe are located within light-emitting zone in the mode of curling up, and the tubular body part wall of described luminous tube is coated with fluorescence/commonplace photosphere.4. the brightness improving structure of optical film surface layer Fa Guang Group parts according to claim 3, it is characterised in that:

    Lower section wall is formed with a straight wall in the body of described luminous tube, and fluorescent/phosphorescent layer is coated with described straight wall.5. the brightness improving structure of optical film surface layer luminescence component according to claim 3, it is characterised in that:

    Described transparent shell is Bu Fen Round spheroids, and it has the circular arc spherical surface and housing bottom for the Bu Fen Round balls being connected with each other, and first wall is located on the circular arc spherical surface of part ball;

    Second wall is located at the housing bottom.6. the brightness improving structure of optical film surface layer luminescence component according to claim 5, it is characterised in that:

    Described illuminating part is at least one in Qi Round arcs spheres of the spherical , of Bu Fen Round and described transparent shellCircular arc spherical surface is relative.7. the brightness improving structure of optical film surface layer Fa Guang Group parts according to claim 1, it is characterised in that:

    It is further provided with a lampshade, it is in semicircle ball-type and is internally provided with least one in the spherical transparent shell of semicircle, the extension line of the radius of the described lampshade transparent shell bottom spherical not less than the diameter You Ban Round of transparent shell is located at the centre of sphere of lampshade and any point position on lampshade wall, and the optimum position of the extension line is the centre of sphere and center positioned at lampshade.8. according to the brightness improving structure of any described optical film surface layer luminescence component of claim 1 to 7, it is characterised in that:

    The thickness of fluorescent/phosphorescent layer is 60 μ

    ι

    η

    to Ι

    Ο

    Ο

    Ο

    μ

    π

    κ

    in described visible photosphere9. the brightness improving structure of optical film surface layer Fa Guang Group parts according to claim 8, it is characterised in that:

    Described incidence angle ο

    ;

    For 0 degree to 60 degree, preferably incidence angle a is 0 degree to 15 degree.10. the brightness improving structure of optical film surface layer luminescence component according to claim 9, it is characterised in that:

    Outer coating reflector layer of second wall of described transparent shell in visible photosphere.A kind of 1 1. brightness improving structures of optical film surface layer luminescence component, it is characterised in that;

    It includes:

    One transparent shell, it is a hollow sphere, and with the first wall and the second wall positioned at relative position, the first described wall has the first medial and lateral wall, and the second wall is adjacent in the first wall and with the second medial and lateral wall;

    One optical thin film, there is the multilayer film of the logical filtering functions of long wave for a non-full angle, it is to be coated on the first wall of described transparent shell and account for more than the 30% of the first wall surface area, optical thin film at least house is had swash fluoresce/ultraviolet lights of Gravel photospheres or blue light reflected, and the visible light source at least containing the long-wave band including visible wavelength, it penetrates injection by optical thin film;

    One illuminating part, Shi mono- Round balls region, and the inside of the transparent shell is located at, described illuminating part sends ultraviolet light;

    It is to be located at at least one light emitting diode for sending ultraviolet light or blue wave band within described light-emitting zone;

    One visible photosphere, is made up of fluorescent/phosphorescent layer, is to be coated on the second wall of described transparent shell, ultraviolet light or blue light are excited as visible light source.12. the brightness improving structure of the optical film surface layer luminescence component according to claim 11, it is characterised in that:

    Any point A to the ball heart B of illuminating part distance is c on the reflecting layer of the optical thin film, A is connected with B'"'"'s, the as normal at A point reflections angle, the distance that the reflecting layer A points are projected at the tangent line of illuminating part outer peripheral edge is b, the radius r of the illuminating part, the reflecting layer A of optical thin film incidence angle is α

    , then the illuminating part central point Β

    to reflecting layer Α

    should be greater than apart from c or equal to cscaxr, i.e. c >

    =cscaxfo13. the brightness improving structure of the optical film surface layer luminescence component according to claim 11, it is characterised in that:

    Described transparent shell is part spherosome, and it has the circular arc spherical surface and housing bottom for the part ball being connected with each other, and first wall is located on part ball Round arc spheres;

    Second wall is located at housing bottom.14. ability ^ is according to the brightness improving structure of the optical film surface layer Fa Guang Group parts described in claim 13, it is characterised in that:

    Described illuminating part is at least one relative with the Surface of Sphere of the transparent shell in the spherical , of Bu Fen Round Qi Round arcs spheres.15. according to the brightness improving structure of any described optical film surface layer luminescence component of claim 11 to 14, it is characterised in that:

    The thickness of fluorescence/upright stone tablet photosphere is 60 μ

    η

    ι

    to 1000 μ

    ι

    η

    in described visible photosphere.16. the brightness improving structure of optical film surface layer luminescence component according to claim 15, it is characterised in that:

    Described incident angle α

    is 0 degree to 60 degree, and preferably incident angle α

    is 0 degree to 15 degree.17. the brightness improving structure of optical film surface layer luminescence component according to claim 16, it is characterised in that:

    Second wall of described transparent shell is coated with reflector layer outside visible photosphere.

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