CN107256681B

CN107256681B - Lamp box cloth and lamp box

Info

Publication number: CN107256681B
Application number: CN201710625424.0A
Authority: CN
Inventors: 曾元清
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2017-07-27
Filing date: 2017-07-27
Publication date: 2023-05-09
Anticipated expiration: 2037-07-27
Also published as: CN107256681A

Abstract

The embodiment of the invention provides a lamp box cloth and a lamp box, wherein the lamp box cloth comprises a reflecting layer, a substrate layer and a cloth layer, the reflecting layer, the substrate layer and the cloth layer are sequentially laminated, one side of the substrate layer, which faces the cloth layer, is provided with a plurality of grooves, a brightness enhancement film is arranged in each groove, and the reflecting layer is made of metal. This scheme is provided with the reflector layer in the lamp house cloth, so the lamp house cloth can reflect outside light to lamp house cloth surface can present metallic luster, when observing from the outside different angles of lamp house cloth, the lamp house cloth can present the color effect of gradual change, and when the internal light source is luminous, can carry out luminance improvement to the light through the enhancement film in the recess that sets up on the substrate layer, thereby can improve the colour diversity of lamp house.

Description

Lamp box cloth and lamp box

Technical Field

The invention relates to the technical field of lamp boxes, in particular to a lamp box cloth and a lamp box.

Background

The lamp box cloth has the characteristics of good flexibility, uniform light transmission, long service life, convenient segmentation and installation and the like, and is widely used for manufacturing outdoor advertising lamp boxes.

Currently, the outdoor advertising light box can display logo (logo, text name of enterprise, icon or a mark combining the logo and the logo) information of the merchant, so as to improve identification degree of the merchant. However, the existing lamp box has single color, only one set color can be observed at each observation angle of the lamp box, and the lamp box lacks color diversity.

Disclosure of Invention

The embodiment of the invention provides a lamp box cloth and a lamp box, which can improve the color diversity of the lamp box.

The embodiment of the invention provides a lamp box cloth, which comprises a reflecting layer, a substrate layer and a cloth layer, wherein the reflecting layer, the substrate layer and the cloth layer are sequentially laminated, a plurality of grooves are formed in one side, facing the cloth layer, of the substrate layer, a brightness enhancement film is arranged in each groove, and the reflecting layer is made of metal.

The embodiment of the invention also provides a lamp box, which comprises a frame and a lamp box cloth, wherein the lamp box cloth is arranged on the frame, and the lamp box cloth is any one of the lamp box cloth.

According to the lamp box cloth provided by the embodiment of the invention, the reflecting layer is arranged in the lamp box cloth, so that the lamp box cloth can reflect external light, the surface of the lamp box cloth can show metallic luster, the lamp box cloth can show gradual change color effect when being observed from different angles outside the lamp box cloth, and when an internal light source emits light, the brightness of the light can be improved through the brightness enhancement film in the groove arranged on the substrate layer, so that the color diversity of the lamp box can be improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the invention and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of a first structure of a lamp box according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of a second structure of a lamp box according to an embodiment of the present invention.

Fig. 3 is a schematic diagram of a third structure of a lamp box according to an embodiment of the present invention.

Fig. 4 is a schematic diagram of a fourth structure of a lamp box according to an embodiment of the present invention.

Fig. 5 is a schematic diagram of a fifth structure of a lamp box according to an embodiment of the present invention.

Fig. 6 is a schematic diagram of a sixth structure of a lamp box according to an embodiment of the present invention.

Fig. 7 is a first cross-sectional view of a light box cloth according to an embodiment of the present invention.

Fig. 8 is a second cross-sectional view of a light box cloth according to an embodiment of the present invention.

Fig. 9 is a third cross-sectional view of a light box cloth according to an embodiment of the present invention.

Fig. 10 is a schematic diagram of a first structure of a substrate layer in a light box cloth according to an embodiment of the present invention.

Fig. 11 is a schematic diagram of a second structure of a substrate layer in a lamphouse cloth according to an embodiment of the invention.

Fig. 12 is a schematic diagram of a third structure of a substrate layer in a lamphouse cloth according to an embodiment of the invention.

Fig. 13 is a cross-sectional view of a base material layer in a lamp house cloth according to an embodiment of the present invention.

Fig. 14 is a schematic view of a first structure of a groove of a substrate layer in a lamphouse cloth according to an embodiment of the invention.

Fig. 15 is a schematic view of a second structure of a groove of a substrate layer in a lamphouse cloth according to an embodiment of the invention.

Fig. 16 is a schematic view of a third structure of a groove of a substrate layer in a lamphouse cloth according to an embodiment of the invention.

Fig. 17 is a schematic diagram of a fourth structure of a groove of a substrate layer in a lamphouse cloth according to an embodiment of the invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

The embodiment of the invention provides a lamp box. The light box can be applied to an outdoor large billboard or applied to a merchant store to deliver merchant information to a user.

As shown in fig. 1, the lamp box 100 includes a lamp box cloth 10 and a frame 20. The frame 20 may be made of metal, plastic or wood board. The outer contour of the frame 20 may be a rectangular parallelepiped. In some embodiments, the outer contour of the frame 20 may also be other shapes such as spheres.

The lamp house cloth 10 is mounted on the frame 20. Wherein the lamp house cloth 10 may cover a portion of the surface of the frame 20. For example, when the frame 20 is a rectangular parallelepiped frame, the lamp house cloth 10 may cover one face of the frame 20.

In some embodiments, the surface of the frame 20 covered with the light box cloth 10 may also be provided with a glass layer. The glass layer can press the lamp house cloth 10 on the surface of the frame 20, and simultaneously provides protection for the lamp house cloth 10.

In some embodiments, as shown in fig. 2, the light box 100 further includes a light source 30. The light source 30 is installed inside the frame 20. The light source 30 may be a point light source, a surface light source, or the like. The lamp house cloth 10 has light transmittance. When the external ambient light is dark at night or during the daytime, the light source 30 is turned on to emit visible light to the outside through the lamp house cloth 10, thereby improving the visibility of the lamp house 100.

In some embodiments, the light source 30 may be a surface light source formed of a plurality of light emitting diodes. The light source 30 includes a plurality of light emitting diodes 31 disposed at intervals from each other. The surface light source 30 formed of a plurality of light emitting diodes may be disposed in parallel with the lamp housing cloth 10. The light emitting surface of the light source 30 faces the lamp house cloth 10.

In some embodiments, as shown in fig. 3, the light source 30 may be a surface light source formed of a plurality of light emitting diodes. The light source 30 includes a plurality of light emitting diodes 31 disposed at intervals from each other. A surface light source 30 formed of a plurality of light emitting diodes may be disposed on a sidewall of the lamp box 100. That is, the surface light source 30 is perpendicular to the lamp house cloth 10. The leds 31 in the light source 30 may be arranged at an angle. For example, the light emitting diode 31 forms an angle of 30 degrees with the plane in which the light source 30 is located. The light emitted from the light source 30 is directed toward the lamp house cloth 10. When the external ambient light is dark at night or during the daytime, the light source 30 is turned on to emit visible light to the outside through the lamp house cloth 10, thereby improving the visibility of the lamp house 100.

In some embodiments, as shown in fig. 4, the light source 30 may be a surface light source formed of a plurality of light emitting diodes. The light source 30 includes a plurality of light emitting diodes 31 disposed at intervals from each other. Wherein the light source 30 may include a first portion 301 disposed parallel to the light box cloth 10 and a second portion 302 disposed perpendicular to the light box cloth 10. The light emitting surface of the first portion 301 faces the light box cloth 10. The light emitting diodes 31 in the second portion 302 may be arranged at an angle. For example, the light emitting diode 31 forms an angle of 30 degrees with the plane in which the second portion 302 lies. So that the light emitted by the second portion 302 is also directed toward the light box cloth 10.

In some embodiments, as shown in fig. 5, the light box 100 further includes a control circuit 40. The control circuit 40 is mounted inside the frame 20. Wherein the control circuit 40 is connected to the light source 30. The control circuit 40 is used for controlling the light source 30 to be turned on and off. For example, the user may set the times at which the light sources 30 are turned on and off. When the time reaches a preset on time, the control circuit 40 controls the light source 30 to be turned on. So that the light source 30 emits visible light to the outside through the lamp house cloth 10, thereby improving the visibility of the lamp house 100. When the time reaches the preset off time, the control circuit 40 controls the light source 30 to be turned off so as to save electric energy.

In some embodiments, as shown in fig. 6, the light box 100 further includes an ambient light sensor 50. An ambient light sensor 50 is mounted inside the frame 20. The ambient light sensor may also be referred to as an ambient brightness sensor. Wherein the ambient light sensor 50 is used for detecting the external ambient light intensity.

In some embodiments, ambient light sensor 50 is coupled to control circuit 40 to input an ambient light intensity signal detected by ambient light sensor 50 into control circuit 40. Wherein the control circuit 40 may comprise a comparison circuit. The comparison circuit is used for comparing the signal input by the ambient light sensor 50 with a preset signal. When the ambient light intensity value detected by the ambient light sensor 50 is smaller than the preset threshold value, the external environment is shown to be darker, and the control circuit 40 controls the light source 30 to be turned on; when the ambient light intensity value detected by the ambient light sensor 50 is greater than or equal to the preset threshold value, which indicates that the external environment is brighter, the control circuit 40 controls the light source 30 to be turned off.

The preset threshold may be a preset value of the intensity of the ambient light. For example, the preset threshold may be 500. When the ambient light intensity value detected by the ambient light sensor 50 is less than 500, the control circuit 40 controls the light source 30 to be turned on; when the ambient light intensity value detected by the ambient light sensor 50 is greater than or equal to 500, the control circuit 40 controls the light source 30 to be turned off.

In some embodiments, the light box 100 may be connected to a background processor. The ambient light sensor 50 and the control circuit 40 may be electrically connected to the processor. The ambient light sensor 50 sends the detected ambient brightness information to the processor. A pre-set threshold value may be pre-stored in the processor. The predetermined threshold may be an ambient light intensity value. When the processor judges that the ambient light brightness value is smaller than the preset threshold value, an opening signal is sent to the control circuit 40 so that the control circuit 40 controls the light source 30 to be opened; when the processor determines that the ambient light brightness value is greater than or equal to the preset threshold, a turn-off signal is sent to the control circuit 40, so that the control circuit 40 controls the light source 30 to turn off.

In some embodiments, when the light source 30 is turned on, the control circuit 40 is further configured to control the light emission intensity of the light source 30 according to the ambient brightness value detected by the ambient light sensor 50. For example, when the light source 30 is turned on, the control circuit 40 gradually increases the light emission intensity of the light source 30 according to an increase in the ambient brightness value.

In some embodiments, when the light source 30 includes a plurality of light emitting diodes 31, the control circuit 40 controls the number of light emitting diodes that are lit in the light source 30 according to the ambient brightness value. For example, when the light source 30 includes 200 light emitting diodes, the control circuit 40 may control the number of light emitting diodes that are lit according to the correspondence relationship shown in table 1:

ambient brightness value (lux)	Number of light emitting diodes (LED's) to be lit
		500	40
1000	80
		1500	120
2000	160
		2500	200

TABLE 1

Referring to fig. 7, fig. 7 is a cross-sectional view of a light box cloth 10 according to an embodiment of the present invention. The lamp box cloth 10 includes a film layer 11, a reflective layer 12, a substrate layer 13, and a cloth layer 14. The thin film layer 11, the reflection layer 12, the base material layer 13, and the cloth layer 14 are laminated in this order.

The film layer 11 is a film that can pass visible light. The material of the film layer 11 may be polyethylene, polypropylene, polyvinyl chloride, polystyrene, resin, or the like. The thin film layer 11 covers the reflective layer 12. The thin film layer 11 may provide protection for the reflective layer 12. For example, the film layer 11 may provide a dust-proof effect to the reflective layer 12, and the film layer 11 insulates the reflective layer 12 from air to provide the reflective layer 12 with a corrosion-proof function. In some embodiments, the film layer 11 may be a transparent film.

In some embodiments, a toner may be added to the thin film layer 11 so that the thin film layer 11 exhibits a green or blue color or the like. So that the color of the entire lamp house cloth 10 is also presented as the same color as the film layer 11.

The reflective layer 12 can transmit visible light emitted from the light source 30 inside the lamp box 100. The material of the reflective layer 12 includes metal. The reflective layer 12 may be disposed on the substrate layer 13 by vacuum evaporation or vacuum magnetron sputtering, so that the reflective layer 12 has a reflection effect on visible light. When visible light is reflected at the reflective layer 12, the surface of the lamp house cloth 10 exhibits at least metallic luster. The metallic luster means a luster reflected by a surface after metal polishing. In some embodiments, the material of the reflective layer 12 includes a metal with high reflectivity for visible light. Wherein the reflective layer 12 may comprise one or more of chromium, aluminum, silver, nickel. For example, the reflective layer 12 may be an alloy of aluminum and silver. In some embodiments, non-metallic materials may also be added to the reflective layer 12.

The base material layer 13 is also transparent to visible light. The substrate layer 13 provides a substrate for the reflective layer 12 required for adhesion. In some embodiments, the substrate layer 13 is made of polyvinyl chloride. In some embodiments, a toner may be added in the substrate layer 13 such that the substrate layer 13 exhibits the same color as the thin film layer 11. When the film layer 11 is a transparent film, the color of the entire lamp house cloth 10 appears to be the same as that of the base material layer 13.

The cloth layer 14 is transparent to visible light. The material of the cloth layer 14 may be fiber, polyester (terylene), polyamide (nylon, also called nylon), polyacrylonitrile (acrylon), polyurethane (spandex), etc.

Since the reflective layer 12 is provided in the lamp house cloth 10, the lamp house cloth 10 can reflect external light, and thus the surface of the lamp house cloth 10 can exhibit metallic luster. The lamp house cloth 10 can exhibit a gradual color effect when viewed from different angles outside the lamp house cloth 10.

In some embodiments, the film layer 11, the reflective layer 12, and the substrate layer 13 may be irreversibly bonded by an adhesive to form a light-transmissive film layer 15. The irreversible manner refers to that after the light-transmitting film layer 15 is formed, the film layer 11, the reflective layer 12 and the substrate layer 13 are not separated.

In some embodiments, as shown in FIG. 8, an adhesive layer 16 is disposed between the film layer 11 and the reflective layer 12. The film layer 11 and the reflective layer 12 are bonded together by an adhesive layer 16. Wherein the film layer 11, the adhesive layer 16, the reflective layer 12 and the substrate layer 13 are bonded to form the light-transmitting film layer 15.

In some embodiments, as shown in fig. 9, a pressure-sensitive adhesive 17 is disposed between the light-transmissive film layer 15 and the cloth layer 14. The light-transmitting film layer 15 and the cloth layer 14 are adhered to each other by a pressure-sensitive adhesive 17.

Referring to fig. 10, fig. 10 is a schematic diagram of a first structure of a substrate layer in a light box cloth according to an embodiment of the invention. The substrate layer 13 is provided with a groove 131, the groove 131 is disposed on a side of the substrate layer 13 facing the cloth layer 14, and the shape of the groove 131 may be square. The light enhancement film 1311 is disposed in the groove 131, and the shape of the light enhancement film 1311 is adapted to the groove 131, so that the light enhancement film 1311 covers the bottom of the groove 131, and is used for gathering light emitted by the light source toward the film layer 11 when the surface light source is turned on, so as to improve the overall brightness of the lamp box.

In some embodiments, the bottom of the groove 131 may be provided with an adhesive layer, and the brightness enhancement film 1311 may be disposed on the groove 131 through the adhesive layer.

In some embodiments, as shown in fig. 11, the shape of the groove 131 may also be circular arc, and correspondingly, the shape of the brightness enhancement film 1311 is also circular arc, so that the groove 131 may be covered.

In some embodiments, as shown in fig. 12, the groove 131 further includes a first brightness enhancement film 1311 and a second brightness enhancement film 1312, where the first brightness enhancement film 1311 and the second brightness enhancement film 1312 are square and shaped, and are matched with the groove 131 in size, the first brightness enhancement film 1311 is disposed at the bottom of the groove 131, the second brightness enhancement film 1312 is disposed on the sidewall of the groove 131, and the first brightness enhancement film 1311 and the second brightness enhancement film 1312 are perpendicular to each other. By arranging the first light enhancement film 1311 and the second light enhancement film 1312 perpendicular to each other, the light emitted from the light source can be recycled, and the overall brightness of the lamp box can be improved better.

In some embodiments, as shown in fig. 13, the adhesive layer 132 is disposed on the bottom of the groove 131, and the brightness enhancement film 1311 is disposed on the groove 131 through the adhesive layer 132 to be fixed.

Referring to fig. 14, fig. 14 is a schematic diagram of a first structure of a groove of a substrate layer in a lamphouse cloth according to an embodiment of the invention. Wherein the groove 131 includes a bottom 20 and a sidewall 21. The bottom 20 of the recess 131 is provided with a plurality of light enhancement films 1311, and the plurality of light enhancement films 1311 are disposed at intervals. In one embodiment, the bottom 20 of the groove 131 is provided with an adhesive layer, and the plurality of brightness enhancement films 1311 are adhered to the bottom of the groove 131 by the adhesive layer.

In some embodiments, as shown in fig. 15, the bottom 20 of the groove 131 is provided with a brightness enhancement film 1311, and at least one sidewall 21 of the groove 131 is provided with a brightness enhancement film 1311. The light enhancement film 1311 on the bottom 20 and the light enhancement film 1311 on the side wall 21 are perpendicular to each other, so that light emitted by a surface light source can be recycled, and the overall brightness of the lamp box can be better improved.

In some embodiments, as shown in fig. 16, the bottom 20 of the groove 131 is provided with a brightness enhancement film 1311, the area of the brightness enhancement film 1311 is smaller than that of the bottom 20 of the groove 131, and a space is preset between two ends of the brightness enhancement film 1311 and the side walls 21 at two ends of the groove, so that part of light can be transmitted through the space.

In some embodiments, as shown in fig. 17, a light enhancement film 1311 is disposed on each of the sidewalls 21 at both ends of the recess 131. In one embodiment, the side walls 21 at both ends are provided with an adhesive layer, and the light enhancement film 1311 is adhered to the side walls at both ends by the adhesive layer.

The lamp box cloth and the lamp box provided by the embodiment of the invention are described in detail, and specific examples are applied to illustrate the principle and the implementation mode of the invention, and the description of the above examples is only used for helping to understand the invention. Meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present invention, the present description should not be construed as limiting the present invention.

Claims

1. The utility model provides a lamp house cloth, its characterized in that includes reflection stratum, substrate layer and cloth layer, reflection stratum, substrate layer and cloth layer stack gradually and set up, the substrate layer orientation one side of cloth layer is provided with a plurality of recesses, the bottom of recess is provided with at least one light enhancement film, the material of reflection stratum includes the metal.

2. The lamp box cloth according to claim 1, wherein a plurality of light enhancement films are arranged at the bottom of the groove, and the light enhancement films are arranged at intervals.

3. The lamp box cloth according to claim 2, wherein the number of the light enhancement films is plural, and at least one light enhancement film is provided on at least one side wall of the groove.

4. The light box cloth according to claim 1, wherein a light enhancement film is arranged at the bottom of the groove, and the area of the light enhancement film is smaller than the area of the bottom of the groove.

5. The light box cloth of claim 1, wherein the light enhancement film comprises an acrylic resin.

6. The light box cloth of claim 1, wherein the grooves are square in shape.

7. The light box cloth of claim 2, further comprising a film layer disposed on a side of the reflective layer remote from the cloth layer for contamination prevention.

8. The light box cloth of claim 7, wherein an adhesive layer is disposed between the film layer and the reflective layer.

9. A light box characterized by comprising a frame and a light box cloth, wherein the light box cloth is arranged on the frame, and the light box cloth is the light box cloth as claimed in any one of claims 1 to 8.

10. The light box of claim 9, further comprising a light source mounted inside the frame, the light source being a surface light source, a light emitting surface of the light source facing the light box cloth.

11. The light box of claim 10, further comprising a control circuit mounted inside the frame, the control circuit being connected to the light source, the control circuit being configured to control the light source to be turned on and off.

12. The light box of claim 11, further comprising an ambient light sensor mounted inside the frame.

13. The light box of claim 12, wherein the ambient light sensor is connected to the control circuit, the control circuit turns on the light source when the ambient light sensor detects that the ambient brightness value is less than a preset threshold, and the control circuit turns off the light source when the ambient light sensor detects that the ambient brightness value is greater than or equal to the preset threshold.

14. The light box of claim 13, wherein the control circuit is further configured to adjust the light intensity of the light source based on the ambient brightness value detected by the ambient light sensor when the light source is on.

15. The light box of claim 14, wherein the control circuit is configured to control the number of light emitting diodes illuminated inside the light source based on the ambient brightness value detected by the ambient light sensor when the light source is on.