KR20110000029A - Decorating meterial with backlight unit - Google Patents

Abstract

PURPOSE: A decorating material with a backlight unit, capable of producing three-dimensional and gradation effects, is provided to change the color, illuminance, and blink states of a back light according to drive information corresponding to the taste of a user. CONSTITUTION: A decorating material with a backlight unit comprises a light-transmitting part(100), a back light(200), a temperature sensor, a memory, and a controller(300). The light-transmitting part has light permeability and includes decoration patterns. The back light comprises a plurality of light emitting devices with different light-emitting properties according to the decoration patterns of the light-transmitting part. The temperature sensor senses the internal or external temperature of the decorating material.

Description

Luminous Decorative Material {DECORATING METERIAL WITH BACKLIGHT UNIT}

The present invention relates to a decorative material, and more particularly, to change the flashing state or color or illuminance of the backlight according to the driving information according to the user's taste, and to make the existing pattern more prominent, thereby generating excellent three-dimensional effect and gradation effect It is about a type decoration material.

Decorative materials are used to decorate the living space beautifully and must be able to exhibit an aesthetic effect. Therefore, in order to beautifully decorate the exterior or interior of furniture, home appliances, electronics, etc., a synthetic resin decorative material and glass that are easy to process have been widely used.

In general, a synthetic resin decorative material is manufactured by flat printing a pattern on a synthetic resin sheet, a film, a panel, and the like, and applying a color effect to the transparent surface layer. Such a synthetic resin decorative material, due to the simple repetition of the flat pattern, the simplicity of the pattern color, etc., is insufficient to meet the aesthetic needs of the consumer. To improve this, a decorative material having a three-dimensional effect due to the three-dimensional pattern provided on the inside while forming a three-dimensional pattern on the surface, or by attaching a transparent layer on the three-dimensional pattern to have a flat surface.

However, the conventional decorative material has a technical limitation in forming a delicate pattern or giving a variety of three-dimensional feeling and color, there is a problem that the decorative effect can not be obtained at all, especially in low light.

Therefore, it is possible to emit light regardless of ambient illumination, and there is a need for a technique for expressing a variety of more delicate patterns and colors.

The present invention has been made to solve the above-described problems, an object of the present invention, the decorative material is formed of various patterns, depending on the ambient temperature or the remote control signal of the decorative material irrespective of the illuminance of the various variations in the flashing state or color or illuminance In this way, it generates an excellent three-dimensional effect and gradation effect according to the user's taste.

The constitution of the present invention for solving the above problems is a light-transmitting part including a decorative pattern and having light transmission; A backlight unit including a plurality of light emitting devices having different light emission characteristics according to a decorative pattern characteristic of the light transmitting unit; A temperature sensor for sensing a temperature inside or outside the light emitting decorative material; A memory storing driving information of the backlight according to the internal or external temperature; A light-emitting decorative material, characterized in that it comprises a control unit for controlling the backlight according to the internal or external temperature detected by the temperature sensor, and the drive information stored in the memory, varying in accordance with the temperature change even in a place with low illumination Three-dimensional and gradation effects can be generated.

In addition, the light-emitting decorative material may further include an input unit for inputting new driving information into the memory or changing already stored driving information, and may store driving information according to a user's taste at any time.

In addition, the light-emitting decorative material, the remote control receiving for receiving a remote control signal for causing the control unit to control the backlight unit according to the driving information stored in the memory, regardless of the internal or external temperature detected by the temperature sensor The sensor may further include driving information directly applied to the backlight unit without using a temperature sensor.

In particular, the backlight unit may include a plurality of LEDs different from each other in at least one or more of color, illuminance, size, and arrangement, and thus may exhibit various aesthetics.

The driving information may be information in which at least one of a blinking state, color, and illuminance of the backlight unit changes according to a change in temperature.

In addition, the light transmitting layer is characterized in that it comprises a polymer film having an uneven pattern formed of an ultraviolet curable resin.

In particular, the light-transmitting layer is specifically, a metal layer coated on the concave-convex pattern surface; A protective layer formed on the metal layer; An adhesive layer formed on a surface of the polymer film in which the uneven pattern is not formed; And it is characterized in that it comprises a transparent layer bonded by the adhesive layer.

According to the present invention, the flickering state or the color or illuminance of the backlight unit is changed according to the driving information corresponding to the user's preference, and the existing pattern is further enhanced, thereby generating an excellent three-dimensional effect and a gradation effect regardless of the ambient illumination.

Hereinafter, with reference to the accompanying drawings will be described in detail a light-emitting decorative material according to a preferred embodiment. However, in describing the embodiments, when it is determined that detailed descriptions of related known functions or configurations may unnecessarily obscure the subject matter of the present invention, detailed descriptions thereof will be omitted.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the decorative material and the manufacturing method according to an embodiment of the present invention. In the description of the embodiments, “on” and “under” of one side of the front film or back film are formed “directly” or “indirectly” through other components. It includes everything. In addition, the upper or lower reference of each component is described with reference to the drawings. The size of each component in the drawings may be exaggerated for the sake of explanation and does not mean the size actually applied.

1 is a diagram showing a state of use of a light emitting decoration material according to a preferred embodiment of the present invention, illustrating the case where the light emitting decoration material 15 is attached to a refrigerator case.

Referring to FIG. 1, the refrigerator includes a main body in which the refrigerating chamber and the freezing chamber are formed and a door 10 rotatably coupled to the front of the main body.

The door 10 is divided into a refrigerator compartment door 11 that shields the refrigerating compartment and a freezer compartment door 12 that shields the freezer compartment. The refrigerator compartment door 11 and the freezer compartment door 12 are gripped by a user to open the door 10 of the refrigerator. It includes a door handle 21 to open and close the. In addition, the freezer compartment door 12 is provided with a display unit 41 for displaying the operation state of the refrigerator and an operation unit 42 for operating the operation of the refrigerator.

As such, the front surface of the refrigerator door 10 is always exposed to the user, and the light emitting decorative material 15 may be used to provide a beautiful appearance.

Below, the structure of the light emitting decorative material 15 is demonstrated.

2 is a control block diagram of a light-emitting decorative material according to a preferred embodiment of the present invention.

As shown in FIG. 2, the light emitting decorative material 15 may include a backlight unit 200 including a light emitting device, an input unit 600 for setting a user, and a memory in which driving information for driving the backlight unit 200 is stored. 500, a temperature sensor 400 for deciding the temperature of the interior or exterior of the light-emitting decorative material 15, a remote control reception sensor 700 for receiving a remote control signal, based on the driving information stored in the memory, detected by the temperature sensor The control unit 300 to control the backlight unit 200 according to the temperature or the remote control signal, and a light-emitting unit 100 including a decorative concave-convex pattern and receive illumination light from the backlight unit 200.

The light transmitting unit 100 transmits the illumination light provided by the backlight unit 200 to change the color and the lighting effect of the light emitting decorative material according to the light emission color and illuminance of the backlight unit 200. A decorative pattern is formed on the light transmitting part 100 and may be made of a light transmitting material such as a film or a panel. The decorative pattern formed on the light transmitting part 100 may be given various characteristics such as shape, color, size of concavities and convexities, depth, pitch, and the like.

The backlight unit 200 provides illumination light according to the characteristics of the decorative pattern formed on the light transmitting unit 100. The backlight unit 200 may include various kinds of light emitting devices such as a light emitting diode (LED), an organic light emitting diode, a semiconductor laser, and the like, which can provide illumination light. In this embodiment, the case where illumination light of the light transmission part 100 is provided using several LED is illustrated. When the backlight unit 200 is composed of a plurality of LEDs, it is possible to arrange the LEDs of various colors so that the color of the backlight unit 200 changes.

The user may input information of a blinking state or color or illuminance of the backlight unit 200 according to a change in temperature to the input unit 600. The input unit 600 may be implemented in the form of a plurality of buttons, switches, touch panels, and the like. In addition, it is also possible for the operation unit 42 (see FIG. 1) for operating the operation of the refrigerator to perform the function of the input unit 600 for driving setting of the light-emitting decorative material.

The memory 500 stores various data including driving information for driving the backlight unit 200. In addition, such various data may be provided in the form of a predetermined program.

The driving information may be set by the user, and the user may set new driving information through the input unit 600 or change driving information that is already stored. The driving information is to set the blinking state or the color or illuminance of the backlight unit 200 according to the change in temperature.

For example, below 25 ° C., the backlight unit 200 is turned off, and when the temperature is 25 ° C. or higher, the backlight unit 200 is turned on to vary the color or illuminance at an interval of 1 ° C. up to 30 ° C., and 30 ° C. If it exceeds, it can be set to turn off again.

The remote control receiving sensor 700 causes the controller 300 to display the backlight unit 200 according to the driving information stored in the memory 400 regardless of the internal or external temperature of the decorative material 15 detected by the temperature sensor 400. Receive a remote control signal for controlling

The controller 300 continuously monitors whether the temperature sensor 400 senses the temperature of the temperature sensor 400 and whether the remote control signal is received by the remote controller in order to drive the backlight unit 200 according to the driving information stored in the memory 500. .

When the remote control reception signal is not detected by the remote control reception sensor 700, the controller 300 based on the driving information stored in the memory 500, the backlight unit 200 according to the temperature detected by the temperature sensor 400. Controls the flashing state or color or illuminance of.

Here, the control of the color, by blinking a plurality of LEDs included in the backlight unit 200, to implement a different color step by step depending on the temperature. In addition, the control of illuminance may be implemented by adjusting an amount of current applied to each LED of the backlight unit 200.

When the remote control reception signal is detected by the remote control reception sensor 700, the control unit 300 is forced to the backlight unit based on driving information stored in the memory 500 regardless of whether the temperature is detected by the temperature sensor 400. Control 200.

For example, even when the backlight unit 200 does not reach the temperature set to be turned on, the backlight unit 200 may be turned on with a remote controller (not shown). Here, the remote control transmits a remote control reception signal, and the received remote control reception signal is received by the remote control reception sensor 700.

In addition, when the driving information of the memory 500 is set to change the color or illuminance at every 1 ° C., the same color or illuminance may be controlled by the remote controller regardless of whether the actual temperature is changed.

The control function of the controller 300 may be implemented by a program stored in the memory 500, and may be set or released according to a user's input through the input unit 600.

3 is a driving state diagram of a light-emitting decorative material according to a preferred embodiment of the invention.

As shown in FIG. 3, the light-emitting decorative material includes a light transmitting part 100 having an uneven pattern and a backlight part 200 supplying illumination light to the light transmitting part 100, and the light transmitting part 100 and the backlight part. Between 200 there is a space apart.

The light transmitting part 100 may include a first region (a '), a second region (b'), and a third region (c ') having different characteristics. Each region (a ', b', c ') may be defined as a groove pattern, the depth, width, pitch, etc. of the groove pattern may be formed differently according to the corresponding region.

As such, when the depth, width, pitch, etc. of the groove pattern are differently formed, the groove pattern itself may have a three-dimensional effect.

The backlight unit 200 may provide illumination light to the concave-convex pattern of the light-transmitting unit 100 to improve the three-dimensional appearance of the groove pattern formed in the light-transmitting unit 100 and to impart various colors to the groove pattern. Accordingly, the backlight unit 200 may include a plurality of LEDs that provide illumination light. The backlight unit 200 may be configured by arranging LEDs having different colors, illuminance, sizes, and the like in various forms according to the shape, size, depth, width, and pitch of the pattern formed in the light transmitting unit 100. have.

For example, a first backlight (a) illuminating the first region (a '), a second backlight (b) illuminating the second region (b'), and a third illuminating the third region (c '). The color of the backlight c can be configured differently.

In addition, the illumination of the first backlight (a), the second backlight (b), and the third backlight (c) may be set differently to increase the three-dimensional effect and the gradation effect on the uneven pattern of the light transmitting part 100.

Here, the controller 300 controls the illuminance, the color, or the blinking state of the light supplied to the light transmitting unit 100 according to the driving information stored in the memory unit 500, so as to control each LED included in the backlight unit 200. Control the drive.

In addition, it is possible to arrange the projection portion 100 and the backlight unit 200 at predetermined intervals so that the uneven pattern is naturally projected. The separation interval between the light transmitting unit 100 and the backlight unit 200 may be variously modified in consideration of the installation conditions of the light emitting decorative material and the light transmitting property of the light transmitting unit 100. For example, it is possible to mount the light-emitting decorative material in the refrigerator case, and set the separation distance between the light transmitting unit 100 and the backlight unit 200 to about 1mm ~ 50mm in order to maximize the decorative effect.

4 is a configuration diagram of a light transmitting part according to a preferred embodiment of the present invention.

As shown in FIG. 4, the light transmitting part 100 includes a polymer film 140 having a concave-convex pattern formed using an ultraviolet curable resin 110, a metal layer 120 formed by coating a metal material on the concave-convex pattern surface, The protective layer 130 formed on the metal layer 120, the adhesive layer 150 formed on the polymer film 140 surface on which the uneven pattern is not formed, and the transparent layer 160 adhered by the adhesive layer 150 are included.

The ultraviolet curable resin 110 may have a delicate concave-convex pattern of embossed or engraved by patterning by using a mold.

The metal layer 120 may be formed by a physical vapor deposition (PVD) method to implement metal properties, and may also apply plating, a metal film laminate method, or the like. By adjusting the thickness of the metal layer 120, the light emission amount of the backlight illumination light can be adjusted. For example, a transparent or translucent effect can be obtained depending on the thickness of the metal layer 120.

The protective layer 130 is a component for protecting the deposition surface to supplement durability, and the material may be a polyester film or a composite film such as polyester / polyvinyl chloride, polyester / polypropylene, polyester / polyethylene, or the like. It may be used, but may be formed by a method such as PTN printing, film, film lamination, deposition, but is not necessarily limited thereto.

The adhesive used for the adhesive layer 150 may maintain transparency even after curing to maintain an embossed pattern shape, and may provide excellent adhesiveness to the transparent layer 160.

The transparent layer 160 may be made of glass, or a transparent plastic panel or sheet, and the glass may be all common glass products such as ordinary glass, tempered glass, and laminated glass, and the transparent plastic panel may be made of polycarbonate, acrylic, A panel such as polyethylene terephthalate, a flexible sheet, or the like can be used. The transparent layer 160 may be used for various purposes, the transparent plate of various thicknesses, it is suitable to represent the pattern from the bottom uneven pattern and the metal layer 120.

According to this configuration, the light transmitting part 100 may have a three-dimensional uneven pattern, and at the same time may transmit the illumination light provided from the backlight unit 200 to the outside. The backlight unit 200 may be selectively positioned on either side of both sides of the light transmitting unit 100. When the backlight unit 200 is installed at the "A" position, the illumination light is emitted through the transparent layer 160 of the light transmitting unit 100, and when the backlight unit 200 is installed at the "B" position, the embossed pattern and the protective layer Illumination light is emitted through the 130. The configuration of the light transmitting unit 100 described herein is just one example, and the light transmitting unit 100 may apply various configurations that can pass the illumination light of the backlight unit 200.

In the detailed description of the invention as described above, specific embodiments have been described. However, various modifications are possible within the scope of the present invention. The technical spirit of the present invention should not be limited to the above-described embodiments of the present invention, but should be determined not only by the claims, but also by those equivalent to the claims.

1 is a state diagram used in the light-emitting decorative material according to a preferred embodiment of the present invention

2 is a control block diagram of a light-emitting decorative material according to a preferred embodiment of the present invention.

3 is a driving state diagram of a light-emitting decorative material according to a preferred embodiment of the present invention.

4 is a configuration diagram of a light transmitting unit according to a preferred embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

15: luminous decoration material 10: door

11: refrigerator door 12: freezer door

21: door handle 41: display unit

42: operation unit 100: light transmitting unit

110: UV curable resin 120: metal layer

130: protective layer 140: polymer film

150: adhesive layer 160: transparent layer

200: backlight 300: control unit

400: temperature sensor 500: memory

600: input unit 700: remote control receiving sensor

Claims (7)

A light-transmitting part including a decorative pattern and having light transmittance; A backlight unit including a plurality of light emitting devices having different light emission characteristics according to a decorative pattern characteristic of the light transmitting unit; A temperature sensor for sensing a temperature inside or outside the light emitting decorative material; A memory storing driving information of the backlight according to the internal or external temperature; And a control unit controlling the backlight unit according to the internal or external temperature detected by the temperature sensor and the driving information stored in the memory. The method of claim 1, The light-emitting decorative material, A light emitting decorative material, characterized in that it further comprises an input unit for inputting new driving information into the memory or changing the already stored driving information. The method according to claim 1 or 2, The light-emitting decorative material, The control unit, And a remote control receiving sensor for receiving a remote control signal for controlling the backlight unit according to the driving information stored in the memory, regardless of the internal or external temperature sensed by the temperature sensor. The method of claim 3, wherein The backlight unit, A light-emitting decorative material comprising a plurality of LEDs different from each other in at least one or more of color, illuminance, size, and arrangement. The method of claim 3, wherein The drive information is, Light-emitting decorative material, characterized in that at least one of the blinking state, color, and illuminance of the backlight unit is information that changes according to the change in temperature. The method of claim 1, The light transmitting layer, Light-emitting decorative material comprising a polymer film having a concave-convex pattern formed of ultraviolet curable resin. The method of claim 6, The light transmitting layer, A metal layer coated on the uneven surface; A protective layer formed on the metal layer; An adhesive layer formed on a surface of the polymer film in which the uneven pattern is not formed; And Light-emitting decorative material comprising a transparent layer bonded by the adhesive layer.

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