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Illumination device

A technology for lighting devices and installation areas, applied in lighting devices, fixed lighting devices, lighting auxiliary devices, etc., can solve problems such as difficult manufacturing costs of lighting devices, and achieve low-cost effects

Active Publication Date: 2015-05-13
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is a problem that it is difficult to reduce the manufacturing cost of the lighting device.

Method used

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  • Illumination device
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0057] The following is based on Figure 1 to Figure 7 One embodiment of the present invention will be described.

[0058] (Structure of lighting device)

[0059] figure 1 It is a perspective view showing the lighting device 1 of this embodiment. The lighting device 1 is, for example, a lighting device used as a spotlight, and a transmission unit 3 is embedded in a cylindrical box 2 . A plurality of light emitting portions 4 for emitting light are formed on the transmission unit 3 . In addition, an installation spring 5 is provided at the edge of the annular opening of the box body 2 for installing the lighting device 1 on a ceiling or the like.

[0060] figure 2It is an exploded perspective view of the lighting device 1 viewed from different angles. Such as figure 2 As shown, the lighting device 1 includes a box body 2, a transmission unit 3, a mounting spring 5, a reflector 6, an LED substrate 7, an LED (light source) 8, a circuit substrate 10, an insulating sheet ...

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PUM

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Abstract

A lighting device (1) makes it possible to manufacture a plurality of models at a low cost, which plurality of models are different from each other in brightness. The lighting device (1) includes a plurality of light-emitting sections (4) each having LEDs (8a, 8b) that emit light. At least one of the light-emitting sections (4) have a plurality of mounting areas (7a, 7b) designed to be provided with the respective LEDs (8a, 8b). By changing, to one or two, the number of LEDs to be provided in each of the light-emitting sections (4), it is possible to manufacture, by use of identical transmission units (3), a plurality of types of illumination devices that are different from each other in brightness.

Description

technical field [0001] The present invention relates to lighting devices, in particular to lighting devices using LEDs as light sources. Background technique [0002] LEDs (Light Emitting Diodes) have the advantages of long life and low power consumption, so lighting devices using LEDs as light sources have been developed in recent years to replace incandescent lamps and fluorescent lamps. [0003] Figure 8 (a) is a plan view of the conventional lighting device 101 viewed from the light emitting direction, Figure 8 (b) is a partial cross-sectional view of the lighting device 101 . Such as Figure 8 (a) with Figure 8 As shown in (b), the illuminating device 101 has seven light emitting portions 104 arranged in the closest cubic lattice on the emitting surface covered by the transmissive unit 103 , and one LED 108 is installed inside each light emitting portion 104 . [0004] Specific as Figure 8 As shown in (b), the light emission part 104 has one LED108, the reflective ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F21V19/00F21V14/00F21S8/02F21Y101/02
CPCF21S8/026F21Y2105/10F21Y2115/10F21V7/0083F21V21/00
Inventor 山本裕之
Owner SHARP KK