JP4079363B2 - Light-storing light-emitting building material with multilayer structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a light storage type light-emitting building material having a multilayer structure using a phosphorescent pigment.
[0002]
[Prior art]
As is well known, a phosphorescent pigment made of an aluminate phosphor such as strontium aluminate (see, for example, Patent Document 1) was developed in 1993. As a phosphorescent building material using this phosphorescent pigment, for example,
(1) Keyhole of doorknob (for example, manufactured by Tostem Co., Ltd.) as a luminous resin molded product with a luminous pigment kneaded
(2) Emergency evacuation guide light (for example, manufactured by Lufthansa Airlines) using the phosphorescent resin,
(3) A touch panel using the phosphorescent resin (for example, manufactured by Sony, manufactured by Sharp, manufactured by Zojirushi),
▲ 4 ▼ Phosphorescent fiber in which the fiber is soaked with phosphorescent paint,
Etc. are known.
[0003]
[Patent Document 1]
Japanese Patent No. 2543825 (page 1-22)
[0004]
In addition, as a lighting means in a house considering night movement, for example,
▲ 5 ▼ LED stair lighting that illuminates the stair nosing at night by incorporating LED (light-emitting diode) into the stair step board,
▲ 6 ▼ LED skirting board lighting that illuminates the corridor at night
(7) A room in which the front plate of the foot lamp embedded in the wall surface near the floor is formed of a milky white synthetic resin molded plate in which 10 to 30 parts by weight of the phosphorescent material is mixed with 90 to 70 parts by weight of the transparent synthetic resin. Step lighting device (see, for example, Patent Document 2),
▲ 8 ▼ Soft starter lighting that gradually increases brightness and suppresses glare and arousal when lighting is turned on at midnight,
Etc. are known.
[0005]
[Patent Document 2]
Utility Model Registration No. 3020514 (page 2-5, FIG. 1)
[0006]
[Problems to be solved by the invention]
The phosphorescent pigments as described above have a high phosphorescent ability of 10 times the initial luminance and 10 times the afterglow luminance of conventional phosphorescent pigments (sulfide phosphors such as calcium sulfide, zinc sulfide and zinc cadmium sulfide). However, since the light emission amount is also large, the light emission luminance after dark transition decreases at an accelerated rate. That is, the afterglow time until the light emission luminance after darkness reaches the limit luminance (0.3 mcd / m ² ) that can be visually recognized by dark-adapted eyes is about 2000 minutes. Afterglow until reaching a sufficiently visible luminance (10 mcd / m ² ) is obtained only about 100 minutes. In this regard, at least 6 hours of afterglow time is required from bedtime to waking up in order to assist and guide nighttime movement to toilets, etc. in homes, but conventional phosphorescent building materials using phosphorescent pigments are sufficient. There is a problem that a long afterglow time cannot be obtained. In addition, the luminance after 1 minute from the darkening of the conventional phosphorescent building materials is about 1800 mcd / m ² , but since the luminance decreases rapidly thereafter, it tends to give the user an impression that “it becomes dark after a while”. there were.
[0007]
Furthermore, with regard to the illumination for night movement, there is a problem that even if an LED is used, its life will be reached in about 10 years, so that it takes cost and labor for maintenance. In addition, when lighting for night movement is installed in an existing house, wiring work is required, which causes a problem of high cost.
[0008]
The present invention has been made in view of the above circumstances and problems, and provides a light storage type light-emitting building material having a multilayer structure that maintains stable brightness for a long time and does not require maintenance or electrical wiring. With the goal.
[0009]
[Means for Solving the Problems]
The invention of claim 1 for achieving the above object comprises a phosphorescent layer formed in a rod shape from a transparent synthetic resin containing a phosphorescent pigment, and the phosphorescent pigment at a content rate lower than the phosphorescent pigment content in the phosphorescent layer. The transparent synthetic resin contained is formed in a rod shape so that the cross-sectional area is smaller than the cross-sectional area of the phosphorescent layer, and is fixed to the circumferential surface of the phosphorescent layer parallel to the longitudinal direction of the phosphorescent layer And a reflective layer that covers the luminous layer and the light guide / light emitting layer so that a part of the circumferential surface of the light guide / light emitting layer is exposed along the longitudinal direction. It is a thing.
[0010]
According to a second aspect of the present invention, the reflective layer is covered with a building material main body.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
As shown in FIGS. 1 to 4, the light storage type light-emitting building material 1 having a multilayer structure according to the first embodiment includes a light storage layer 2, a light guide / light-emitting layer 3, and a reflection layer 4, and the reflection layer 4 is a building material. It has a multilayer structure covered with the main body 5 and can be used as a baseboard of the corridor 6 or the like.
[0012]
The phosphorescent layer 2 is formed in a rod shape from a transparent synthetic resin containing a phosphorescent pigment. Luminescent pigments include high-intensity, long-afterglow phosphors of aluminate compound type (such as strontium aluminate) (added and fired activator composed of rare-earth elements mainly composed of aluminate compounds) Made by Special Chemical Co., Ltd., trade name: Luminova, G-300 series (green light emission), BG-300 series (blue light emission), V-300 series (purple light emission)] and the like are preferable. Examples of the transparent synthetic resin include polymethyl methacrylate (PMMA), ABS (acrylonitrile-butadiene-styrene) resin, polycarbonate (PC), polystyrene (PS), polyethylene (PE), polypropylene (PP), and the like. The content of the phosphorescent pigment in the phosphorescent layer 2 is suitably about 10 parts by weight with respect to 100 parts by weight of the transparent synthetic resin, but can be appropriately changed as necessary.
[0013]
The light guide / light emitting layer 3 is also formed in a rod shape from the same transparent synthetic resin as described above containing the same phosphorescent pigment as described above, but the content of the phosphorescent pigment is higher than the content of the phosphorescent pigment in the phosphorescent layer 2. In addition to being low, the area of the cross section is configured to be smaller than the area of the cross section of the phosphorescent layer 2. One side surface 3a of the light guide / light emitting layer 3 is fixed to the lower end of the side surface (circumferential surface) 2b of the light storage layer 2 in parallel to the longitudinal direction of the light storage layer 2 by fusion or bonding with a transparent adhesive. Yes. The fixing position of the light guide / light emitting layer 3 and the fixing position with respect to the luminous layer 2 are not particularly limited, and an appropriate part can be fixed at an appropriate position on the peripheral surface of the luminous layer 2.
[0014]
The reflective layer 4 is composed of a mirror sheet made of metal such as aluminum or stainless steel, and the light storage layer 2 and the light guide / light emitting layer 3 are arranged on the other side surface (circumferential surface) 3b of the light guide / light emitting layer 3. It coat | covers so that it may be exposed along a longitudinal direction. The reflective layer 4 can be attached to the phosphorescent layer 2 and the light guide / light emitting layer 3 with an adhesive or the like. In addition, the exposure range in the light guide / light emitting layer 3 is not limited to the other side surface 3b, and an appropriate part of the peripheral surface can be exposed along the longitudinal direction.
[0015]
The building material body 5 is formed in a rod shape from wood, laminated material, synthetic resin, or the like, and covers the reflective layer 4. The building material body 5 can be attached to the reflective layer 4 with an adhesive or the like. In this embodiment, each cross-sectional shape of the phosphorescent layer 2 and the light guide / light-emitting layer 3 is rectangular, and is fixed to each other and reflected inside the building material body 5 having a rectangular cross section as described above. Although the light storage layer 2 covered with the layer 4 and the light-emitting / light-emitting layer 3 are inserted in the space 7 along the longitudinal direction, the cross section is not limited to this. The cross sections of the storage-type light-emitting building material 1, the light-storage layer 2, the light guide / light-emitting layer 3, and the building material body 5 are square, trapezoidal, polygonal, circular, elliptical, arc-shaped, C-shaped, An appropriate shape such as a letter shape or an L shape may be employed. The shape of the light-accumulating light-emitting building material 1 is not limited to a straight line, but is an L-shaped, U-shaped, C-shaped as an accessory or various decorative materials that can be applied to the protruding corner portion or the entering corner portion of the wall 8. It may be bent into a waveform, an arc shape or the like. Moreover, the building material main body 5 can also be comprised by assembling a some member.
[0016]
When the light-storing light-emitting building material 1 configured as described above is used as a skirting board for the hallway 6, the light-storing light-emitting building material 1 includes a corridor floor 9 and a wall 8 as shown in FIGS. What is necessary is just to arrange | position the light guide and the light emitting layer 3 toward the inner side in a corner part. In a state where the corridor 6 is bright, as shown in FIG. 3, the light L1 is supplied to the light guide / light emitting layer 3 and the light L1 is also supplied to the light storage layer 2 through the light guide / light emitting layer 3. . In this case, each phosphorescent pigment in the light guide / light emitting layer 3 or the phosphorescent layer 2 absorbs the supplied light L1 and reaches an equilibrium state between absorption and emission. After turning off at night, as shown in FIG. 4, the luminous pigment in the light guide / light emitting layer 3 emits light, and the light guide / light emitting layer 3 emits light L2 so that it can be visually recognized as floating in the darkness. Even if the lighting equipment is not turned on, it is possible to safely move to the toilet at night. The phosphorescent pigment in the phosphorescent layer 2 also emits light and continuously supplies light L3 to the light guide / light emitting layer 3. The reflection layer 4 prevents the light L3 emitted from the phosphorescent layer 2 and the light L2 emitted from the light guide / light emitting layer 3 from being absorbed by the building material body 5.
[0017]
Here, the content of the phosphorescent pigment in the light guide / light emitting layer 3 is lower than the content of the phosphorescent pigment in the phosphorescent layer 2, and the area of the light guide / light emitting layer 3 is the area of the cross section of the phosphorescent layer 2. Since the phosphorescent pigment in the light guide / light emitting layer 3 emits light with a controlled light emission amount, it is stable for a long time by the continuous supply of light L3 from the phosphorescent layer 2. There is an advantage of maintaining the brightness. Therefore, even when a lighting device such as a nightlight is not provided, night movement to a toilet or the like can be performed safely for a long time at night. In addition, since maintenance is not required and functions are maintained semipermanently, and electrical wiring is not required, it can be renovated with simple construction even when applied to existing homes. There is an advantage that the cost can be reduced at the time of renovation of a built house. Furthermore, if the reflective layer 4 is covered with the building material body 5 as in this embodiment, the light storage type light-emitting building material 1 can be used as it is in the use site, so that there is an advantage that it does not take time for construction. .
[0018]
The light-storing light-emitting building material 1 includes a door frame provided around the door 10 as shown in FIG. 5, a decorative material for the door 10 as shown in FIG. 6, an indoor skirting board (not shown), and a ceiling. Used for illumination (not shown), signboard (not shown), etc. as a light-storing light emitting member in addition to surrounding edges (not shown), window frames (sash, not shown), outer walls (not shown), etc. it can. When the light storage type light emitting building material 1 is used as a decorative material for the door 10, as shown in FIG. 6, the light storage type light emitting building material 1 can be bonded or embedded in the periphery of the surface 10 b of the door 10. When the light storage type light-emitting building material 1 is used as a door frame, a decorative material for the door 10 or the like, when it is necessary to attach the end portions to each other and connect them in a right angle direction, as shown in FIGS. The end portions of each other can be cut in a direction of 45 ° with respect to the longitudinal direction, and the end surfaces 1a can be connected to each other at right angles by abutting each other with an adhesive or the like.
[0019]
As shown in FIG. 7, when the light-storing light-emitting building material 1 is formed in a round bar shape, the light-storing light-emitting building material 1 is preferably used as a handrail material such as a staircase and a veranda, and a headboard such as a fence and a parapet. it can. In this case, the phosphorescent layer 2 can be formed in a round bar shape, the light guide / light emitting layer 3 can be formed in an arc shape, and the building material body 5 can be formed in a C shape. As described above, the light-accumulating light-emitting building material 1 can be used for applications such as a guide sign when moving to a toilet or the like at night, but is not limited to this, and is a near-futuristic inside and outside of a house. It can be used for various purposes such as design assignment and advertisement.
[0020]
As shown in FIGS. 8 to 11, the light storage-type light-emitting building material 21 having a multilayer structure according to the second embodiment includes a light storage layer 2 and a light guide / light-emitting layer 3 that are configured in substantially the same manner as in the first embodiment. It has a multilayer structure including a reflective layer 4, and the light guide / light emitting layer 3 can be used as a stair nosing of the staircase 22.
[0021]
A notch 23 extending in the longitudinal direction is provided at the upper end corner of the phosphorescent layer 2 having a rectangular cross section, and a part of the light guide / light emitting layer 3 having a square cross section is formed in the notch 23. It is fixed by fusing or bonding with a transparent adhesive or the like. The reflective layer 4 covers the phosphorescent layer 2 and the light guide / light emitting layer 3 so that the upper surface 3c, the other side surface 3b, and the lower surface 3d of the light guide / light emitting layer 3 are partially exposed along the longitudinal direction. Yes. As in the first embodiment, the fixing part of the light guide / light emitting layer 3 and the fixing position of the light guide / light emitting layer 2 and the exposure range of the light guide / light emitting layer 3 are not particularly limited. 3 can be fixed at an appropriate position on the peripheral surface of the phosphorescent layer 2, and an appropriate part of the peripheral surface of the light guide / light emitting layer 3 can be exposed along the longitudinal direction. Also in this embodiment, the reflective layer 4 may be covered with a building material body 5 having an appropriate cross-sectional shape.
[0022]
When the light guide / light emitting layer 3 of the light storage type light emitting building material 21 configured as described above is used as the stair nose of the staircase 22, the light storage type light emitting building material 21 of the staircase 22 is used as shown in FIGS. 9 to 11. Installed at a predetermined position, a tread plate 24 or the like is fixed to the corner between the upper surface 2c of the phosphorescent layer 2 and one side surface 3a of the light guide / light emitting layer 3 via the reflective layer 4, and the side surface 2b of the phosphorescent layer 2 and the light guide The kick plate 25 and the like may be fixed to the corner of the light emitting layer 3 with the lower surface 3d via the reflective layer 4. The function / action of the light-accumulating light-emitting building material 21 is the same as that of the first embodiment. When the staircase 22 is bright, the light L1 is supplied to the light guide / light-emitting layer 3 as shown in FIG. L1 passes through the light guide / light emitting layer 3 and is also supplied to the phosphorescent layer 2. After the light is turned off at night, as shown in FIG. 11, the luminous pigment in the light guide / light emitting layer 3 emits light, and the light L2 is emitted to visually recognize the light guide / light emitting layer 3 as a nose in the dark. Therefore, the stairs 22 can be safely moved up and down at night without turning on the lighting equipment. The reflection layer 4 prevents the light L3 emitted from the phosphorescent layer 2 and the light L2 emitted from the light guide / light emitting layer 3 from being absorbed by the tread plate 24, the kick-up plate 25, and the like. Other advantages are the same as those of the first embodiment.
[0023]
【The invention's effect】
As described above, according to the invention of claim 1, the phosphorescent layer, the light guide / light emitting layer, and the reflective layer are provided, and the content ratio of the phosphorescent pigment in the light guide / light emitting layer is greater than the content ratio of the phosphorescent pigment in the phosphorescent layer. In addition, the area of the cross section of the light guide / light emitting layer is configured to be smaller than the area of the cross section of the light storage layer. In addition to the light emission at the same time, the continuous light supply from the phosphorescent layer maintains a stable brightness for a long time. Therefore, even when a lighting device such as a nightlight is not provided, it is possible to safely perform night movement to a toilet or the like, ascending / descending stairs at night, and the like for a long time at night. In addition, since maintenance is not required and functions are maintained semipermanently, and electrical wiring is not required, it can be renovated with simple construction even when applied to existing homes. Costs can be reduced when renovating a built-up house.
[0024]
According to invention of Claim 2, since the reflecting layer is coat | covered with the building material main body, a light storage type light-emitting building material can be used in a used part as it is, and construction does not require an effort.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a part of a light storage type light-emitting building material according to a first embodiment.
FIG. 2 is a perspective view showing an example in which a light storage type light-emitting building material is used as a baseboard for a corridor.
FIG. 3 is a longitudinal sectional view showing a function of a light storage type light-emitting building material in a state where a corridor is bright.
FIG. 4 is a longitudinal sectional view showing the function of a light storage type light-emitting building material after turning off at night.
FIG. 5 is a front view showing an example in which a light storage type light emitting building material is used as a door frame.
FIG. 6 is a front view showing an example in which a light storage type light-emitting building material is used as a decorative material for a door.
FIG. 7 is a perspective view of a light storage type light-emitting building material formed in a round bar shape.
FIG. 8 is a perspective view showing a part of a light storage type light emitting building material according to a second embodiment.
FIG. 9 is a perspective view showing an example in which a light guide / light emitting layer of a light storage type light emitting building material is used as a stair nosing.
FIG. 10 is a longitudinal sectional view showing the function of a light storage type light-emitting building material in a state where the stairs are bright.
FIG. 11 is a longitudinal sectional view showing the function of a light storage type light-emitting building material after nighttime extinction.
[Explanation of symbols]
1,21 Light storage type light emitting building material 2 Light storage layer 2b Side surface (circumferential surface)
3 Light guide / light emitting layer 3b Other side surface (circumferential surface)
3c Top surface (circumferential surface)
3d bottom surface (peripheral surface)
4 Reflective layer 5 Building material body

Claims (2)

A luminous layer formed in a rod shape from a transparent synthetic resin containing a luminous pigment;
A transparent synthetic resin containing a phosphorescent pigment at a content lower than the phosphorescent pigment content in the phosphorescent layer is formed in a rod shape such that the area of the cross section is smaller than the area of the cross section of the phosphorescent layer and A light guide / light emitting layer fixed to the circumferential surface of the phosphorescent layer in parallel to the longitudinal direction of the phosphorescent layer;
A reflective layer that covers the luminous layer and the light guide / light emitting layer so that a part of the circumferential surface of the light guide / light emitting layer is exposed along the longitudinal direction;
A light storage type light-emitting building material having a multilayer structure characterized by comprising: The light storage type light-emitting building material having a multilayer structure according to claim 1, wherein the reflective layer is covered with a building material main body.

Images