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led lighting device and led lighting module

A technology for lighting devices and light-emitting parts, which is applied to lighting devices, fixed lighting devices, components of lighting devices, etc., and can solve problems such as color temperature shift and inability to adjust the color temperature of lighting light to the correct color temperature

Inactive Publication Date: 2016-08-24
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when the light emitting unit transmits the output light adjusted to the target color once through the optical member, the color temperature may shift, and the illumination light may not be adjusted to the correct color temperature.

Method used

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  • led lighting device and led lighting module
  • led lighting device and led lighting module
  • led lighting device and led lighting module

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0044] (Overall structure of LED lighting device 1)

[0045] figure 1 It is a cross-sectional view showing the configuration of an LED lighting device 1 (hereinafter simply referred to as "device 1") according to Embodiment 1 of the present invention. figure 2 It is a perspective view which shows the external structure of the lamp unit 3B. image 3 It is an exploded perspective view which shows the internal structure of the lamp unit 3B. Figure 4 It is a figure which shows the structure of the light emitting module 10. Figure 5It is a wiring diagram showing the connection relationship among the light-emitting module 10 , the circuit unit 4 , and the light-adjusting unit 5 .

[0046] The device 1 includes a lighting fixture 3 , a circuit unit 4 , and a light adjustment unit 5 . like figure 1 As shown, the device 1 is, as an example, a downlight type (ceiling lamp) embedded in the embedding hole 2 a of the ceiling 2 .

[0047] (Lighting fixture 3)

[0048] The lighti...

Embodiment approach 2

[0155] Next, the second embodiment of the present invention will be described focusing on the differences from the first embodiment. Figure 11 It is an exploded perspective view which shows the internal structure of the lamp unit 3C of the lighting fixture of Embodiment 2. FIG. Figure 12 It is a wiring diagram showing the connection relationship of the light emitting modules 10A and 10B, the circuit unit 4 , and the dimming unit 5 .

[0156] The difference from the lamp unit 3B is that, as Figure 11 As shown, the first light-emitting portion 12a and the second light-emitting portion 12b having different color temperatures are separately attached to the light-emitting modules 10A and 10B, respectively.

[0157] like Figure 12 As shown, the light-emitting module 10A is provided with terminal portions 14A, 15A and wirings 16A, 17A. Element row 12a of first light-emitting portion 12a 1 ~12a 4 The wirings 16A and 17A are connected so that the number of serial connections c...

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Abstract

To provide an illuminating device and a light-emitting module in which it is expected to suppress a shift in color tone that occurs when light emitted from a light-emitting unit passes through an optical member. Consists of a lighting fixture (3), which has a first light-emitting part (12a) that emits light in daylight color, a second light-emitting part (12b) that emits light in a warm color, and is arranged on the first light-emitting part (12a) and the second light-emitting part (12a). The optical components (50) on each optical path of the part (12b). The color temperature of the light emitted from the second light emitting unit (12b) is 2238K on the black body locus. Thereby, in the visible light spectrum of the second light emitting part (12b), the maximum intensity in the wavelength region of 400nm to less than 500nm is adjusted to be 1 / 10 or less of the maximum intensity in the wavelength region of 300nm to 800nm.

Description

technical field [0001] The present invention relates to a lighting device and a light-emitting module using LEDs as a light source, and in particular, to a technology for preventing color shift when color matching is performed using a plurality of light sources. Background technique [0002] Various types of LED lighting devices, such as a downlight type and a deskstand type, using an LED (Light Emitting Diode) as a light source have been developed (for example, refer to Patent Document 1). [0003] The LED lighting device includes, as an example, a light-emitting module including a plurality of light-emitting parts with different color temperatures; optical components such as a lens and a reflecting member arranged on the optical path of light emitted from the light-emitting parts; A lighting circuit that lights up the light-emitting elements of each light-emitting section. The light-emitting portion includes a light-emitting element as an LED, and a wavelength conversion ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F21K9/64H05B33/08F21Y115/10F21V9/40H05B44/00
CPCF21S8/026F21Y2105/12F21Y2105/10F21K9/64F21Y2115/10F21Y2113/13H05B45/20
Inventor 绪方俊文石森淳允阿部益巳山口博司和田恭典
Owner PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD