LED lighting device

A technology of light-emitting diodes and lighting devices, which is applied to lighting devices, components of lighting devices, and damage prevention measures for lighting devices. Enhanced optical brightness, improved optical uniformity, and reduced brightness of outgoing light

CN101275720BInactive Publication Date: 2010-12-01HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2010-12-01
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses an LED illumination device, including an open lamp house, a circuit board, at least an LED and a lamp cover; the circuit board is arranged on the bottom of the lamp house, at least an LED is electrically connected to the surface of the circuit board; the lamp cover is covered at the opening of the lamp. The illumination device also includes a reflecting module arranged in the lamp house, which has at least a mat film and a bottom reflecting plate. The mat file is arranged with a plurality of loopholes and at least a mat film covers the LED; the bottom reflecting plate between the circuit board and the mot film is arranged with at least a via hole corresponding to the LED, and the LED passes through the via hole; at least a mat film and the bottom reflecting plate constitute a light beam multiple reflecting space. The LED illumination device has the advantages of increased light uniformity.
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Description

LED lighting device technical field The invention relates to an illuminating device, in particular to an illuminating device using a light emitting diode. Background technique Light Emitting Diode (LED) has the characteristics of environmental protection, high mechanical reliability and high service life, so it is a new trend to use LED as the light source of the lighting device. Please refer to FIG. 1 , which shows a conventional elongated LED lighting device 10 (hereinafter referred to as LED lighting device). The LED lighting device 10 includes a light box 11 , a circuit board 12 , a side-light LED light source 13 , a reflector 14 , an LED top reflector 15 and a lamp cover 16 . The light box 11 is a hollow strip structure with an opening 112 . The circuit board 12 is also strip-shaped, and is correspondingly arranged on the bottom of the light box 11 . The plurality of edge-lit LED light sources 13 are electrically connected and arranged on the upper surface of the ...

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