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Luminous device and illuminator using luminous device

A technology for light-emitting devices and light sources, which is applied to lighting devices, components of lighting devices, optical elements used to change the spectral characteristics of emitted light, etc., can solve problems such as human injury, environmental pollution, and lack of long afterglow characteristics. Achieve high luminous efficiency, good color rendering, and improve light utilization efficiency.

Inactive Publication Date: 2012-03-14
邱行中
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] (3) Does not have long afterglow characteristics
[0011] (4) Existence of ultraviolet radiation pollution
[0012] A small amount of ultraviolet radiation below 400nm emitted by the HID lamp will not only cause harm to the human body, but also pollute the environment

Method used

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  • Luminous device and illuminator using luminous device
  • Luminous device and illuminator using luminous device
  • Luminous device and illuminator using luminous device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] figure 1 It is a structural diagram of the light emitting device of Example 1 of the present invention. exist figure 1 Among them, the light-emitting device 5 includes a high-pressure mercury lamp 1 as a light source, an ultraviolet cutoff filter 2 for reflecting ultraviolet light emitted by the high-pressure mercury lamp 1, passing visible light and infrared light, and ultraviolet light reflected by the ultraviolet cutoff filter 2. A wavelength conversion element 3 that converts to visible light. exist figure 1 Middle UV, VI and IR represent ultraviolet light, visible light and infrared light, respectively.

[0048] The typical structure of the high-pressure mercury lamp 1 is to seal two tungsten electrodes in a transparent quartz glass tube with a high melting point, and fill the tube with argon gas of about 2.5-4.0 kPa and a certain amount of mercury. The tungsten electrode and the quartz glass tube are hermetically sealed with a molybdenum foil. Once a high ...

Embodiment 2

[0054] figure 2 is a structural diagram of a light-emitting device according to Example 2 of the present invention. exist figure 2 Among them, the difference from the structure of Example 1 is that the UV cut filter film 212 is replaced by the UV cut filter film 212, and the wavelength conversion layer 32 is replaced by the wavelength conversion layer 322. The difference between the two wavelength conversion layers lies in the luminescent The materials are different. The transmittance characteristics of the ultraviolet and infrared cut-off filter 22 are as follows: Figure 8 shown by Figure 8 It can be seen that it can reflect ultraviolet light and infrared light well, and allow visible light to pass through.

[0055] The working process of the light-emitting device 5 is as follows: the light emitted by the high-pressure mercury lamp 1 is irradiated on the ultraviolet and infrared cut-off filter film 212, and the ultraviolet and infrared cut-off filter film 212 allows v...

Embodiment 3

[0057] image 3 is a structural diagram of a light-emitting device according to Example 3 of the present invention. exist image 3 Among them, the difference with the structure of Example 1 is that the ultraviolet cut-off filter film 21 is replaced by the purple short-wavelength cut-off filter film 213, and the wavelength conversion layer 32 is replaced by the wavelength conversion layer 323. The difference between the two wavelength conversion layers lies in the adopted Luminescent materials are different. Here, the purple short-wavelength cut-off filter film 213 refers to a short-wavelength cut-off filter film with a semi-transmission position (T50%) of 415-435 nm. exist image 3 Among them, P represents purple light, and VI* represents visible light and infrared light with a wavelength longer than purple light. The transmittance characteristics of the purple short-wavelength cut-off filter 23 are as follows: Figure 9 shown by Figure 9 It can be seen that it can refl...

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PUM

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Abstract

The invention provides a luminous device. In the luminous device, ultraviolet light in light emitted by a high-intensity discharge (HID) lamp can be converted into visible light effectively, and the light utilization efficiency of the HID lamp is improved obviously, so the luminous device is high in luminous efficiency and color rendering properties and has light-storing performance. The luminous device comprises the HID lamp, an optical thin film element and a wavelength conversion element, wherein the light which at least contains the ultraviolet light and the visible light and is emitted by the HID lamp is divided into two parts by the optical thin film element, one part does not contain the ultraviolet light and is emitted outwards directly, and the other part does not contain the visible light and is irradiated to the wavelength conversion element; and after being converted into the visible light, the ultraviolet light is emitted outwards.

Description

technical field [0001] The present invention relates to a light emitting device, in particular to a light emitting device with high luminous efficiency, good color rendering and light storage using HID lamp as a light source and an illuminating device using the light emitting device. Background technique [0002] High-intensity discharge (HID) lamps include high-pressure mercury lamps, ultra-high-pressure mercury lamps, metal halide lamps, and xenon lamps. The biggest feature of HID lights is high luminous efficiency, good color rendering, long life, and remarkable energy-saving effect, so they are widely used in industry and people's daily life, such as roads, railways, ports, stations, docks, airports, parking lots , stadiums, factories, mines, warehouses, cinemas, shops, gardens, buildings and other indoor and outdoor lighting fields, and can also be used for automotive lighting, projectors, etc. In addition to being used as lighting, ultraviolet high-pressure mercury la...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21S2/00F21V9/10F21V9/06F21V13/00F21V9/40
Inventor 邱行中尹绍刚黎涤萍
Owner 邱行中
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