KR101046373B1 - Cover for luminaires with far-infrared emission and photoluminescent functions - Google Patents

Abstract

The present invention comprises 100 parts by weight of the synthetic resin powder, 0.05 to 0.2 parts by weight of rare earth-based photoluminescent powder consisting of alumina component of alumina metal doped with rare earth elements, 0.03 parts by weight to 0.05 parts by weight of white illite, and includes white fluorescent powder Disclosed is a cover for a luminaire having a far-infrared emission and photoluminescent functions molded into a material. Here, the white fluorescent powder is prepared including 0.4 parts by weight to 1.0 parts by weight.

Lighting fixture, cover, photoluminescent, far infrared

Description

A COVER FOR LIGHTING APPARATUS WITH THE FUNCTION OF EMITTING FAR INFRARED RAYS AND THE PHORESCENT FUNCTION}

The present invention relates to a luminaire cover, and more particularly, to a luminaire cover having far-infrared emission and photoluminescent functions.

Generally, incandescent lamps and fluorescent lamps have been used as a lamp for illuminating living spaces. However, in recent years, many light bulbs that are brighter and have a longer life than fluorescent lamps and also reduce eye fatigue are widely used. have.

Such luminaires include a light source, such as a fluorescent lamp, a light bulb, that emits light, and a cover surrounding the light source. The cover is attached so that the appearance is beautiful while concealing the light source and allowing the light to propagate in the form of transmitted light.

Recently, as people's interest in health has increased, the concept of "well-being" has been introduced in houses. The concept of "well-being" has also been introduced in lighting fixtures that were previously only used for lighting and design concepts. Attempts have been made to develop luminaires that have improved efficiency.

The present invention has been made to solve the above problems, an object of the present invention to provide a cover for a luminaire having far-infrared emission and photoluminescent functions.

In addition, an object of the present invention is to provide a cover for a luminaire having a far-infrared emission and photoluminescence function that can provide a suitable illumination as a luminaire by increasing the diffusion of light generated from the light source while having a far-infrared emission and photoluminescence function. .

In order to achieve the above object, the present invention comprises 100 parts by weight of synthetic resin powder, 0.05 to 0.2 parts by weight of rare earth photoluminescent powder made of alumina component of alumina metal doped with rare earth elements, and 0.03 parts by weight to 0.05 parts by weight of white illite. And, it provides a cover for a luminaire having a far-infrared emission and photoluminescent function that is formed of a material including a white fluorescent powder.

Here, the white fluorescent powder is prepared including 0.4 parts by weight to 1.0 parts by weight, preferably 0.5 parts by weight.

According to the present invention, the cover for the luminaire can be formed to have far-infrared emission and photoluminescence functions. In addition, it is possible to provide a cover for a luminaire having far-infrared emission and photoluminescent functions while increasing the diffusion of light generated from the light source to provide a suitable illumination as a luminaire.

Hereinafter, with reference to the accompanying drawings, the present invention will be described in more detail.

As shown in FIG. 1, the cover for a luminaire according to the present invention is installed in a form surrounding a light source in a luminaire attached to a ceiling, such that the light emitted from the light source is transmitted through the cover.

The luminaire cover according to the present invention is manufactured by molding with a synthetic resin powder as a main component, and is produced to have far-infrared emission and photoluminescent functions, including rare earth photoluminescent powder and white illite powder.

In addition, the cover for a luminaire according to the present invention contains a white fluorescent powder as a diffusing agent. The rare earth-based photoluminescent powder and white illite powder are included in the synthetic resin powder to manufacture the cover for the luminaire, thereby providing the far-infrared emission and photoluminescent functions. However, these additives act as impurities in the cover for the luminaire, lowering the transmittance of the light and generating light loss. The present invention includes a white fluorescent powder to solve this problem. The white fluorescent powder receives light emitted from the light source and emits light, thereby improving illuminance degraded by other additives.

Hereinafter, the present invention will be described in more detail.

The cover for a luminaire having a far infrared ray emission and photoluminescent function according to the present invention includes synthetic resin powder, rare earth-based photoluminescent powder, white illite powder, and white fluorescent powder powder. Other additives may be included to improve plasticity, such as synthetic resin powder.

Synthetic resin used as the material of the cover for the lighting fixture in the present invention polymethyl methacrylate (PMMA), phenol (PF) resin, ABS resin, PVC resin, polycarbonate (PC) resin, polyethylene (PF) Resins, polystyrene (PS) resins, polyurethane (PU) resins, polyethylene terephthalate (PET) resins, and the like. These resins are suitable as the material of the luminaire cover because they are hard and optically transparent, and in particular, the PMMA resin is used as the material of the windshield of the aircraft and is suitable as the material of the luminaire cover.

The present invention comprises 0.05 to 0.2 parts by weight, preferably 0.1 parts by weight of a phosphorescent powder doped with rare earth elements, that is, a rare earth phosphorescent powder, in 100 parts by weight of such a synthetic resin.

Rare earth elements used in the present invention are scandium (Sc), yttrium (Y) and lanthanum (La), cerium (Ce), praseodymium (Pr), neodymium (Nd), promethium (Pm) , Samarium (Sm), europium (Eu), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), erbium (Er), tulium (Tm), ytterbium (Yb) and It refers to 17 elements which combined 15 lanthanide elements, such as a retetium (Lu).

The rare earth-based photoluminescent powder according to the present invention is a photoluminescent powder doped with a rare earth element, and the above-mentioned small amount of rare earth elements, preferably eurofinium (Eu), gadolinium (Gd), dysprosium (Dy), terbium (Tb) and eater A composite powder of an alumina component of an alkaline earth metal doped with a rare earth element selected from the group consisting of nium (Yb) is used.

The composite of the alkaline earth metal alumina component is a complex of salts consisting of aluminum oxide (Al ₂ O ₃ ) and potassium oxide (CaO), strontium oxide (SrO) or magnesium oxide (MgO), Al ₂ O ₃ CaO, Al ₂ A complex of salts such as O ₃ MgO, SrAl ₂ O ₄ , SrAl ₂ O ₄ (OH), or Al ₂ O ₃ CaOSrOB ₂ O ₃ may be used. In the present invention, the alumina component doped with rare earth elements (Al ₂ O ₃ It is preferable that a photoluminescent powder of -SrO ₃ -B ₂ O ₃ ) is used.

Such a rare earth-based photoluminescent powder can emit far-infrared rays and anions which are excellent in photoluminescence performance for afterglow brightness, afterglow time, light resistance, and the like, which are beneficial to the human body.

In general, when the light is turned off, the light disappears and becomes dark.When you turn off the light at night, you need time to get used to the dark where the eyes used to be in bright places. People's movements are not smooth and they hit furniture. However, according to the present invention, since the excellent afterglow brightness, afterglow time, and light resistance are exhibited by the rare earth-based photoluminescent powder described above, even after the lighting apparatus is turned off, the surrounding objects can be easily recognized by the afterglow. It can also function as an emergency light regardless of a power outage in an emergency. In addition, it emits far infrared rays, negative ions, deodorizing and antimicrobial effect to maintain a comfortable indoor environment.

In the present invention, when the phosphorescent powder is less than 0.05 part by weight based on 100 parts by weight of the synthetic resin resin powder, the photoluminescent effect is reduced, and when used in excess of 0.2 part by weight, the optical transparency is lowered. . The experimental example according to the present invention shows an example in which 0.1 parts by weight of the photoluminescent powder is used, and it is most preferable since sufficient afterglow time is secured even when a small amount of photoluminescent powder is used.

In addition, since the rare earth-based photoluminescent powder has far-infrared radiation performance, it emits far-infrared rays, negative ions and provides deodorization and antibacterial effects, thereby maintaining a comfortable indoor environment.

The present invention further includes white illite powder to improve the far-infrared emissivity of such rare earth-based photoluminescent powder. The illite used in the present invention has a chemical structure of (K, H ₃ O) Al ₂ (Si, Al) ₄ O ₁₀ (H ₂ O, OH) ₂ , having a hardness of 1 to 2 and a specific gravity of 2.6. It refers to the fine mica minerals belonging to the monoclinic system of 2.9. In terms of chemical composition, some are close to white mica, but relatively rich in silicon dioxide (SiO ₂ ), magnesium oxide (MgO), and water (H ₂ O), and potassium oxide (K ₂ O) has a small feature. Use white illite. The white illite absorbs heavy metals, toxic substances and toxic gases, neutralizes them, and releases large amounts of negative ions and far infrared rays together with photoluminescent pigments to facilitate metabolism in the body and decompose toxic substances to make indoor space comfortable. Provide effect.

According to the present invention, the white illite is included in an amount of 0.03 to 0.05 parts by weight based on 100 parts by weight of the synthetic resin powder. White illite increases the far-infrared emissivity of the rare earth-based photoluminescent powder, while white illite powder increases the turbidity of the cover for the luminaire and decreases the optical transparency, thereby preventing the light from passing through the light source. The white illite is insufficient to increase the far-infrared emissivity when included in less than 0.03 parts by weight, and excessively degrades the illuminance of the light source transmitted through the cover for the luminaire when it exceeds 0.05 parts by weight.

The present invention includes white fluorescent powder. The white fluorescent powder is included in an amount of 0.3 part by weight to 1.0 part by weight based on 100 parts by weight of the synthetic resin powder, and serves to improve the roughness reduced by addition to the white illite. The white fluorescent powder improves illuminance by receiving invisible light in ultraviolet light and emitting it in the form of visible light. When the white fluorescent powder is added in less than 0.3 parts by weight, the roughness improvement efficiency is low, and when included in more than 1.0 parts by weight is not preferable because there is no increase in the roughness improvement effect. The white fluorescent powder is preferably included in an amount of 0.5 parts by weight, and is most effective for improving illuminance. Therefore, the white fluorescent powder is included in 0.5 parts by weight is the most effective cost-effectiveness improvement.

In the present invention, the white fluorescent powder itself does not have a light emitting function and a photoluminescent function, but uses a light emitting function that emits light when it receives light. Therefore, the white fluorescent powder eliminates the side effect of reducing illuminance caused by the addition of white illite and enables the luminaire cover according to the present invention to be used as a luminaire cover without reducing illuminance while having a function of emitting far infrared rays and photoluminescence.

Therefore, when including a white fluorescent powder as in the present invention, while the cover for the luminaire is made of a uniform white cover, the illuminance is improved so that there is no difference as compared with the case without the white illite powder.

[Experimental Example]

In order to test the performance of the cover for a luminaire having far-infrared emission and photoluminescent functions according to the invention, 10kg of PMMA resin, alumina component (Al ₂ O ₃ -SrO ₃ -B ₂ O ₃ ) doped with rare earth elements as a synthetic resin powder Roughness and light transmittance were measured while changing the addition amount of the white illite powder and the white fluorescent powder as a diffusing agent to 10 g of the photoluminescent powder. The illuminance was measured with an illuminometer 1 meter below the light source in the dark room.

Synthetic resin Rare earth system
Photoluminescent powder White ella
Wight powder Diffuser Lux Light transmittance
(Comparative Example)
Comparative example 10 kg 1470 100% Experimental Example 1 10 kg 10g 1 g 1410 95.9% Experimental Example 2 10 kg 10g 3g 1240 84.4% Experimental Example 3 10 kg 10g 5 g 1120 76.2% Experimental Example 4 10 kg 10g 3g 50 g 1328 90.3% Experimental Example 5 10 kg 10g 5 g 50 g 1301 88.5%

As shown in Experimental Examples 1 to 3 of the table, as the amount of white illite is increased to 1g, 3g, 5g to improve the far-infrared radiation performance, the illuminance is reduced to 1410 lux, 1240 lux, 1120 lux, The transmittance is also gradually reduced to 95.9%, 84.4%, 76.2% compared to the comparative example.

That is, although far-infrared emissivity can be improved by adding white illite powder to a rare earth photoluminescent powder, it turns out that illumination intensity becomes remarkably low by addition of white illite powder.

However, as shown in Experimental Examples 4 and 5, when 50g of white fluorescent powder was added as a diffusing agent, the roughness was 1328 lux and 1301 lux, which was remarkably improved compared to Experimental Examples 1 and 3 without adding a diffusing agent. have.

As such, the cover for a luminaire having a far-infrared emission and photoluminescent function according to the present invention, in the present invention, white illite is neutralized by adsorbing heavy metals, toxic substances and toxic gases, and a large amount of anions together with the photoluminescent pigment. It emits far-infrared rays, which stimulates the body's metabolism and decomposes toxic substances, providing a synergy effect that makes the indoor space comfortable.

According to the present invention by manufacturing a cover for a luminaire comprising a rare earth-based photoluminescent powder, a white illite and a diffusing agent in the synthetic resin, the light is stored in ordinary times, and when the light is blocked, it emits light for a long time and is concerned with power failure in an emergency situation. It can be used as a safety induction indicator in the room, and can be moved to the bed without hitting the surrounding objects without waiting for the eyes to become accustomed to the dark even when the lighting equipment is turned off at night, and emits far infrared rays and negative ions. It provides deodorizing and antibacterial effect to keep indoor environment comfortable. Figure 1 shows the operation of the present invention, it can be seen that the cover for the luminaire functions as an emergency light or an auxiliary light in the state in which the light fixture is turned off at night.

On the other hand, white illite absorbs and neutralizes heavy metals, toxic substances and toxic gases, and emits large amounts of negative ions and far infrared rays together with photoluminescent pigments to facilitate metabolism in the body and decompose toxic substances to make the indoor space comfortable. This can provide a synergistic effect.

1 is a view showing a night operating state of the cover for a luminaire having a far infrared ray emission and photoluminescent function according to the present invention.

Claims (3)

100 parts by weight of the synthetic resin powder, a rare earth-based photoluminescent powder consisting of alumina component of the alumina metal doped with rare earth elements, 0.05 to 0.2 parts by weight of white illite, 0.03 parts to 0.05 parts by weight of white illite, including a white fluorescent powder Cover for a luminaire having a far-infrared emission and photoluminescence function manufactured by molding. The method of claim 1, The white fluorescent powder is a cover for a luminaire having far-infrared emission and photoluminescence function, characterized in that it is prepared to include 0.4 parts by weight to 1.0 parts by weight. The method of claim 2, The white fluorescent powder is a cover for a luminaire having far-infrared emission and photoluminescent function, characterized in that it is contained in 0.5 parts by weight.

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