Lens and light-emitting diode module
A technology of light-emitting diodes and lenses, applied in the field of optical components, can solve problems such as difficult long-distance lighting, and achieve the effect of small divergence angles
Inactive Publication Date: 2012-04-11
FOXSEMICON INTEGRATED TECHNOLOGY (SHANGHAI) INC +1
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
However, a light-emitting diode is similar to a point light source, and its outgoing light has a certain divergence angle, so it is difficult to be used for long-distance lighting without optical design
Method used
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Embodiment Construction
[0028] The present invention will be further described in detail below in conjunction with the accompanying drawings.
[0029] See figure 1 and figure 2 The light emitting diode module 100 provided by the embodiment of the present invention includes a circuit board 10, a light emitting diode 20 arranged on the circuit board 10, and a lens 30 covering the light emitting diode 20.
[0030] In this embodiment, the light emitting diode 20 includes a package base 21, a light emitting diode chip 22 and a package body 23. The package base 21 has a first surface 211 and a second surface 212 opposite to each other, wherein the second surface 212 faces the circuit board 10. The light emitting diode chip 22 is attached to the first surface 211 of the package base 21, and the package body 23 is formed on the first surface 211 of the package base 21 and covers the light emitting diode chip 22. The package body 23 can be selected from one or a mixture of epoxy resin, silicone resin and the li...
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The invention relates to a lens, which comprises a bottom plane, an emergent plane which is opposite to the bottom plane, and a reflection side plane which connects the bottom plane with the emergent plane. The emergent plane comprises a first emergent plane which is positioned at the center and a second emergent plane which surrounds the first emergent plane. The bottom plane is provided with an accommodating groove, the inner wall of the accommodating groove is the incident plane of the lens, and the incident plane comprises a first incident plane which is opposite to the first emergent plane and a second incident plane which is opposite to the second emergent plane. The first incident plane and the first emergent plane form a convex lens part, the reflection side plane is a paraboloid, the paraboloid and the reflection side plane have the same central axis and the same focal point, and the focal point is positioned in the accommodating groove. The invention further relates to a light-emitting diode module which is provided with the lens.
Description
Technical field [0001] The invention relates to an optical element, in particular to a lens and a light emitting diode module using the lens. Background technique [0002] As an emerging light source, light-emitting diodes have been widely used in various current fields due to their high luminous efficiency, small size, light weight, and environmental protection, and they have a tendency to replace traditional light sources. However, the light-emitting diode is similar to a point light source, and the emitted light has a certain divergence angle, and it is difficult to use for long-distance illumination without optical design. Summary of the invention [0003] In view of this, it is necessary to provide a lens capable of reducing the divergence angle of the light source, and a light emitting diode module using the lens. [0004] A lens includes a bottom surface, a light-emitting surface opposite to the bottom surface, and a reflective side surface connecting the bottom surface and ...
Claims
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IPC IPC(8): F21V5/04F21S2/00F21V19/00F21Y101/02
Inventor 张秀萍
Owner FOXSEMICON INTEGRATED TECHNOLOGY (SHANGHAI) INC