US 8,026,529 B2Granted

Light-emitting diode light source module

AssigneeHon Hai Precision Industry Co., Ltd.

InventorShan-Fu Huang

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Abstract

A light-emitting diode light source module includes a light-emitting diode and an optical lens which faces the light-emitting diode. The optical lens includes a light-emitting surface, a light-extracting surface opposite to the light-emitting surface, and a side surface interconnecting the light-emitting surface and the light-extracting surface. The light-emitting surface includes a first light-emitting portion and a second light-emitting portion. The light-extracting surface includes a first light-extracting portion and a second light-extracting portion surrounding the first light-extracting portion. An angle between the first light-emitting portion and the second light-emitting portion is an obtuse angle. An angle between the second light-emitting portion and the side surface is an acute angle. An angle between the side surface and second light-extracting portion is an acute angle.

Claims10

Dependent claims

A light-emitting diode light source module, comprising:

a light-emitting diode;
an optical lens facing the light-emitting diode, the optical lens comprising a light-emitting surface, a light-extracting surface on the opposite to the light-emitting surface, and a side surface interconnecting the light-emitting surface and the light-extracting surface, the light-emitting surface comprising a first light-emitting portion and a second light-emitting portion, the first light-emitting portion comprising a substantially flat surface, the light-extracting surface comprising a first light-extracting portion and a second light-extracting portion surrounding the first light-extracting portion, the first light-extracting portion comprising a concave surface, and the side surface comprising a total refraction surface;
wherein an angle between the first light-emitting portion and the second light-emitting portion is an obtuse angle, an angle between the second light-emitting portion and the side surface is an acute angle, and an angle between the side surface and second light-extracting portion is an acute angle.

Dependencies are inferred from the claim text.

Facts

Application: 12/475,574Filed 31 May 2009
Priority: CN 2008 1 03020476 Jun 2008
Published: US 2009/0302341 A110 Dec 2009
Granted: 27 Sep 2011
Term ends: Not estimatedThe source records don’t support an estimate.

Classification11 codes

H10H 20/855
Packages: optical field-shaping means, e.g. lenses
F21V 5/02
Refractors for light sources: of prismatic shape
G02B 19/0028
Characterised by the optical means employed: refractive and reflective surfaces, e.g. non-imaging catadioptric systems
G02B 19/0061
For use with a light source: the light source comprising a LED