JP3151223U - Variable shape reflection sheet and lamp using the same - Google Patents

Abstract

[PROBLEMS] To provide the flexibility of plastic material and the high reflection efficiency of metal material, which not only has a high degree of freedom in mounting, but also can improve lighting efficiency and save power consumption. A shape variable reflection sheet is provided. A lamp includes a light source having a light emission side, and a variable shape reflection sheet disposed at a location adjacent to the light source on the side opposite to the light emission side. The shape variable reflection sheet 100 includes a plastic substrate 101 provided on the opposite side of the light emission side 203 of the lamp 200, a silver reflection layer 102 provided on the surface of the plastic substrate 101 facing the light emission side 203, including. The silver reflection layer 102 of the variable shape reflection sheet 100 is formed inside the arc-shaped lamp socket portion 202 and reflects the light beam traveling from the light source 201 in the opposite direction to the light emission side 203 of the lamp 200. The light can be condensed and the luminance of the lamp 200 can be improved. [Selection] Figure 2A

Description

The present invention relates to a reflective sheet and a lamp to which the reflective sheet is applied, and more particularly to a variable shape reflective sheet that can be bent repeatedly and a lamp to which the reflective sheet is applied.

  An illumination device such as a lamp is one of indispensable elements for modern life because it can provide a visual beauty in addition to being used as a living lighting. Currently, there is a worldwide recognition that various alternative energy researches are ongoing to achieve environmental protection and energy savings in order to prevent global warming in the world where energy resources are scarce. It has become. As part of this, there has been a demand for a lamp that can achieve improved lighting efficiency and reduced electrical energy.

  In the prior art, light is collected by a reflective cover or light collecting cover attached to a lamp, and a light beam is guided to irradiate a specific target or region. However, most of the conventional reflection cover or light collection cover is made of glass, metal or plastic material. For this reason, since the shape other than the one made of a plastic material cannot be changed and cannot be bent according to the teachings of the lamp, its application range is limited. In addition, the conventional glass, metal or plastic material has a certain level of light absorption, and therefore the reflection effect is not preferable.

  Therefore, not only has a high degree of freedom in mounting, but also can greatly improve lighting efficiency, save electric energy, and have a simple structure, high light reflection efficiency and variable shape with variable shape There was a need for a reflective sheet.

  Therefore, the purpose of the present invention is to have the characteristics of plastic material shape variability and high reflection efficiency of metal material, not only has a high degree of freedom in mounting, but also improve the lighting efficiency and save power consumption An object of the present invention is to provide a variable shape reflection sheet that can be used.

  (1) A shape variable reflection sheet comprising a plastic substrate and a silver reflection layer applied to the surface of the plastic substrate.

  (2) The shape variable reflection according to (1), wherein the plastic substrate is a plate or sheet made of polyethylene terephthalate, and the silver reflective layer is a specular silver plating layer or an overcoating layer. Sheet.

  (3) The shape-variable reflective sheet according to (1), wherein the silver purity in the silver reflective layer is 95% or more.

  (4) The shape-variable reflecting sheet according to (1), wherein the purity of silver in the silver reflecting layer is 98% or more.

  (5) at least one through-hole formed in the plastic base material and the silver reflective layer, and at least one cutting line provided so as to cross a part of the plastic base material and the silver reflective layer; The shape variable reflection sheet according to (1), further comprising a perforation.

  (6) A light source having a light emission side, and a shape variable reflection sheet disposed on the opposite side of the light emission side at a location adjacent to the light source, wherein the shape variable reflection sheet is the light emission side of the lamp And a silver reflective layer provided on the surface of the plastic substrate facing the light emission side.

  (7) The lamp according to (6), wherein the plastic substrate is a plate made of polyethylene terephthalate, and the silver reflective layer is a mirror-silver deposition layer.

  (8) The lamp according to (6), wherein the silver reflection layer has a silver purity of 95% or more.

  (9) At least one through-hole that is formed in the plastic base material and the silver reflective layer and allows the light source to pass therethrough, and a part of the plastic base material and the silver reflective layer. The lamp according to (6), comprising at least one cutting line that is provided so as to traverse and is capable of bending the shape-variable reflecting sheet, and a perforation.

(10) said provided at a location adjacent to the edge of the cutting line, it folded the shape Tunable reflecting sheet clamping member at least one capable of forming a housing shaped to hold the or after the adhesive member, The lamp according to (9), further comprising: a fixing member.

  The variable shape reflection sheet of the present invention has the characteristics of flexibility of plastic material and high reflection efficiency of metal material, and not only has a high degree of freedom in mounting, but also improves lighting efficiency and reduces power consumption. Can be saved.

It is sectional drawing which shows the structure of the shape-variable reflection sheet by one Embodiment of this invention. It is a disassembled perspective view which shows the structure of the lamp | ramp which applied the shape variable reflection sheet of FIG. It is sectional drawing which shows the structure of the lamp | ramp of FIG. 2A. It is a front view which shows the structure of the lamp | ramp which applied the shape variable reflection sheet of FIG. It is a top view which shows the structure of the shape variable reflection sheet by other embodiment of this invention. It is sectional drawing along line S4-S4 of FIG. 4A. It is a perspective view which shows a state when the pyramid shaped housing of FIG. 4A is bent. It is a perspective view which shows the structure of the lamp | ramp which applied the housing of FIG. 4C. It is a top view which shows the structure of the shape variable reflection sheet by other embodiment of this invention. It is sectional drawing along line S6-S6 of FIG. 6A. It is a perspective view which shows a state when the conical housing of FIG. 6A is bent. It is a perspective view which shows the structure of the lamp | ramp which applied the conical housing of FIG. 6C.

  Embodiments of the present invention will be described below with reference to the drawings. Note that the present invention is not limited thereby.

  Please refer to FIG. FIG. 1 is a cross-sectional view illustrating a variable shape reflection sheet 100 according to an embodiment of the present invention. The variable shape reflection sheet 100 includes a plastic substrate 101 and a silver reflection layer 102 applied on the substrate surface 101 a of the plastic substrate 101.

  The plastic substrate 101 according to an embodiment of the present invention is a plate or sheet made of polyethylene terephthalate (PET). The silver reflective layer 102 is a mirror-surface silver deposited layer applied on the substrate surface 101a of the plastic substrate 101 by a deposition, stamp or plating process. The purity of silver in the silver reflecting layer is 95% or more, and preferably 98% or more.

The variable shape reflection sheet 100 according to an embodiment of the present invention is applied to a lamp and used to collect light and reflect light. Please refer to FIG. 2A and FIG. 2B. FIG. 2A is an exploded perspective view showing a structure of a lamp 200 to which the variable shape reflection sheet 100 of FIG. 1 is applied. FIG. 2B is a cross-sectional view showing the structure of the lamp 200 of FIG. 2A.

  As shown in FIGS. 2A and 2B, the lamp 200 of the present embodiment is a fluorescent lamp. Since this fluorescent lamp is a conventional one, its structure will not be described in detail here, and only the variable shape reflection sheet 100 disposed in the fluorescent lamp will be described.

  The lamp 200 includes a light source 201 composed of at least one fluorescent lamp and one arc-shaped lamp socket portion 202. The shape-variable reflection sheet 100 of the present embodiment is formed in a conformal manner with the arc-shaped lamp socket portion 202 at a location adjacent to the light source 201. The silver reflection layer 102 of the variable shape reflection sheet 100 is formed inside the arc-shaped lamp socket portion 202 and reflects the light beam traveling from the light source 201 in the opposite direction to the light emission side 203 of the lamp 200. The light can be condensed and the luminance of the lamp 200 can be improved.

Please refer to FIG. FIG. 3 is a front view showing a structure of a lamp 300 to which the shape variable reflection sheet 100 of FIG. 1 is applied.

  The lamp 300 according to an embodiment of the present invention is a light bulb-shaped fluorescent lamp. Since this lamp is a conventional one, the detailed structure thereof will not be described in detail here, and only the variable shape reflection sheet 100 disposed in the lamp will be described.

  The lamp 300 includes a light source 301, a coupling seat 304, and a lamp cover 302. The light source 301 is a light bulb shaped fluorescent lamp that is electrically connected to a power source by a coupling seat. The lamp cover 302 is a hollow cylindrical housing made of a plastic material or a metal material surrounding the light source 301. On the circular bottom surface of the lamp cover 302, an opening 303 that can radiate the light beam of the light source 301 to the outside is provided as the light emitting side of the lamp 300.

The shape variable reflection sheet 100 is cut into a circular sheet-like structure and fixed to the top of the lamp cover 302. Further, in the variable shape reflection sheet 100, a through hole 104 is provided through which a coupling seat 304 of a bulb-shaped fluorescent lamp can be inserted. The silver reflective layer 102 of the variable shape reflective sheet 100 faces the opening 303 of the lamp cover 302. That is, the shape variable reflection sheet 100 is provided at a location adjacent to the light source 301 and is disposed on the side opposite to the opening 303 of the lamp cover 302 of the light source 301 (that is, the light emitting side of the lamp 300). The silver reflection layer 102 of the variable shape reflection sheet 100 can reflect the light beam from the light source 301. In this manner, the light from the light source 301 traveling in the direction opposite to the light emitting side can be collected, and the luminance of the lamp 300 can be improved.

  Please refer to FIG. 4A and FIG. 4B. FIG. 4A is a plan view showing a structure of a variable shape reflection sheet 400 according to another embodiment of the present invention. 4B is a cross-sectional view taken along line S4-S4 of FIG. 4A. The variable shape reflection sheet 400 includes one layer of a plastic substrate 401 and a silver reflection layer 402 applied on the substrate surface 401 a of the plastic substrate 401.

The variable shape reflection sheet 400 has a multi-sided sheet structure similar to the variable shape reflection sheet 100 of FIG. 1, but further includes at least one cutting line (for example, cutting lines 405a, 405b, 405c, 405d). The point is different. Each cutting line 405a, 405b, 405c, 405d is provided so as to cross part of the plastic substrate 401 and the silver reflective layer 402, and bends the variable shape reflective sheet 400 along a predetermined fold line 404 (dotted line). Thus, one housing 400a (shown in FIG. 4C) is formed, and a silver reflection layer 402 is provided inside the housing 400a.

  Further, at the edge of each cutting line 405a, 405b, 405c, 405d, an adhesive member including a fastening tool including a screw or a bolt, or an adhesive tape 403a, 403b, 403c, 403d or a foam tape Therefore, the shape of the housing 400a formed by bending the variable shape reflection sheet 400 can be maintained.

  Please refer to FIG. FIG. 5 is a perspective view showing a structure of a lamp 500 to which the housing 400a of FIG. 4C is applied.

  The lamp 500 includes a plurality of light sources 501. In the present embodiment, the plurality of light sources 501 are a plurality of light emitting diode (LED) elements. A plurality of through holes 406 through which the light sources 501 can be inserted into the through holes 406 are provided at positions corresponding to the respective light sources 501 at the bottom of the housing 400a. With this configuration, the housing 400 a is adjacent to the light source 501, and the silver reflection layer 402 formed on the bottom of the housing 400 a can reflect the light beam from the light source 501 toward the light emission side 502 of the lamp 500. . Thus, since the light from the light source 501 traveling in the direction opposite to the light emitting side 502 can be collected, the luminance of the lamp 500 can be improved.

Please refer to FIG. 6A and FIG. 6B. FIG. 6A is a plan view illustrating a structure of a variable shape reflection sheet 600 according to another embodiment of the present invention. 6B is a cross-sectional view taken along line S6-S6 of FIG. 6A. The variable shape reflection sheet 600 includes one layer of a plastic substrate 601 and a silver reflection layer 602 applied on the substrate surface 601a of the plastic substrate 601.

The shape variable reflection sheet 600 has a circular sheet structure having a structure similar to that of the shape variable reflection sheet 400 of FIG. 4A. The variable shape reflection sheet 600 further includes one through hole 604 and one cutting line 603 that traverses the sheet structure. Bending the shape deformable reflective sheet 600 along the edge of the through hole 604 to form a single conical housing 600a (shown in FIG. 6C), to form a silver reflection layer 602 inside the conical housing 600a.

  Further, by using at least one tape bonding member 605 provided at the edge of the cutting line 603, the shape of the housing 600a formed by bending the variable shape reflection sheet 600 can be maintained.

  Please refer to FIG. FIG. 7 is a perspective view showing a structure of a lamp 700 to which the conical housing 600a of FIG. 6C is applied.

  As shown in FIG. 7, the lamp 700 includes one light source 701 and one coupling seat (not shown) penetrating in the housing 600a. In the present embodiment, the light source 701 is a light bulb provided in the housing 600a. Openings are provided on both sides of the housing 600a. On one side where the width of the housing 600a is large, an opening 606 is provided that can emit light from the light source 701 to the outside from the conical housing 600a. On the other side where the width of the housing 600a is small, there is provided an opening 607 through which a light source coupling seat (not shown) is inserted through the housing 600a so that the light source 701 and the power source can be electrically connected. Yes. In this way, the opening 606 of the conical housing 600a is used as the light emission side of the light source 701, and the light beam from the light source 701 traveling in the opposite direction to the light emission side is reflected by the silver reflection layer 602 of the housing 600a to be condensed. As a result, the luminance of the lamp 700 can be improved.

As can be seen from the above, the present invention has the following advantages. In the present invention, a silver reflective layer is applied on a substrate made of a flexible plastic material. As a result, the shape variable reflection sheet of the present invention has the characteristics of flexibility of plastic material and high reflection efficiency of metal material, and not only has a high degree of freedom in mounting, but also improves the lighting efficiency. Power consumption can also be saved.

  The preferred embodiments of the present invention have been disclosed as described above so that those skilled in the art can understand them, but these do not limit the present invention in any way. Various changes and modifications can be made without departing from the spirit and scope of the present invention. Accordingly, the scope of the utility model registration claim of the present invention should be broadly interpreted including such changes and modifications.

DESCRIPTION OF SYMBOLS 100 Shape variable reflection sheet 101 Plastic base material 101a Base material surface 102 Silver reflection layer 104 Through-hole 200 Lamp 201 Light source 202 Arc-shaped lamp socket part 203 Light emission side 300 Lamp 301 Light source 302 Lamp cover 303 Lamp cover opening 304 Binding seat 400 shape variable reflection sheet 400a housing 401 plastic substrate 401a plastic substrate surface 402 silver reflective layer 403a adhesive tape 403b adhesive tape 403c adhesive tape 403d adhesive tape 404 fold line 405a cutting line 405b cutting line 405c cutting line 405d cutting line 406 through hole 500 Lamp 501 Light source 502 Light emission side 600 of the lamp 600 Shape variable reflection sheet 600a Housing 601 Plastic substrate 601a Substrate surface 602 Silver reflection layer 603 Cutting 604 through holes 605 tape bonding member 606 opening 607 opening 700 lamp 701 light source

Claims (10)

A plastic substrate;
A flexible reflective sheet comprising: a silver reflective layer applied to the surface of the plastic substrate. The plastic substrate is a plate or sheet made of polyethylene terephthalate,
The variable shape reflection sheet according to claim 1, wherein the silver reflection layer is a specular silver deposition layer or an overcoating layer.   The shape variable reflection sheet according to claim 1, wherein the purity of silver in the silver reflection layer is 95% or more.   The shape-variable reflection sheet according to claim 1, wherein the purity of silver in the silver reflection layer is 98% or more. At least one through-hole drilled in the plastic substrate and the silver reflective layer;
The variable shape reflection sheet according to claim 1, further comprising at least one cutting line or perforation provided so as to cross a part of the plastic substrate and the silver reflection layer. A light source having a light exit side;
A shape-variable reflecting sheet disposed on the opposite side of the light emitting side at a location adjacent to the light source, and the flexible reflecting sheet is a plastic provided on the opposite side of the light emitting side of the lamp A substrate;
And a silver reflecting layer provided on the surface of the plastic substrate facing the light emitting side. The plastic substrate is a plate made of polyethylene terephthalate,
The lamp according to claim 6, wherein the silver reflection layer is a specular silver deposition layer or an overcoating layer.   The lamp according to claim 6, wherein the purity of silver in the silver reflective layer is 95% or more. At least one through-hole drilled in the plastic substrate and the silver reflective layer and capable of penetrating the light source therein;
7. The apparatus according to claim 6, further comprising at least one cutting line or perforation that is provided so as to cross a part of the plastic base material and the silver reflective layer and is capable of bending the shape-variable reflective sheet. The lamp described.   Provided at a location adjacent to the edge of the cutting line, and having at least one fastening member, an adhesive member, or a fixing member capable of forming a housing while maintaining the shape of the plastic reflection sheet after being bent. The lamp according to claim 9.

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