TWM547633U - Color changeable light emitting diode device - Google Patents

Description

Color changeable light emitting diode device

The present invention relates to a light-emitting diode device; more particularly, to a color-changeable light-emitting diode device capable of modulating light color without driving a driver IC.

LED light bar has been widely used in a variety of lighting fields. The light-emitting diode light bar can be roughly divided into two types: a flexible light-emitting diode light bar and a hard light-emitting diode light bar according to an application type.

The flexible light-emitting diode light strip adopts a PCB soft board as a main board, and is generally assembled by using a chip type LED. Depending on the application type, the number and length of LEDs can be adjusted freely. Moreover, it can be bent freely based on its use of a PCB flexible board; therefore, the flexible light-emitting diode light strip is suitable for use in an irregular shape or a narrow space.

Hard LED strips use PCB hard boards as the main board, which is assembled using SMD LEDs or general vertical LEDs. Compared with the flexible light-emitting diode light bar, the hard light-emitting diode light bar has the advantages of easy processing and installation; but its disadvantage is that it cannot be bent at will, so its use place is more limited.

Whether it is a flexible light-emitting diode light bar or a hard light-emitting diode light bar, if you want to have a dimming function, you need to add multiple drive ICs for dimming control. system. However, the addition of a driver IC will result in an increase in cost. Therefore, it is still necessary to develop a light-emitting diode strip lamp which can be dimmed by a simple structure without complicated components.

The present invention provides a color-changing light-emitting diode device, which can achieve a modulated light color effect through a simple structure, thereby eliminating the need for additional driver ICs and greatly reducing manufacturing costs.

In one embodiment, the color changeable light emitting diode device comprises a flexible substrate, a plurality of conductive units, a plurality of light emitting diode units, and a power supply unit. A plurality of conductive units are disposed on the flexible substrate. The plurality of light emitting diode units are disposed on the flexible substrate, and each of the light emitting diode units is electrically connected to each of the conductive units. The power supply unit is electrically connected to the conductive unit to provide a power to each of the light emitting diode units. Wherein, each of the conductive units and the corresponding light-emitting diode unit has an electrical connection region, which is selectively disconnected or connected, thereby turning off or turning on the light emitted by each of the light-emitting diode units, so that the light is emitted The diode can be discolored by a single color or mixed light.

In the above-mentioned color-changing light-emitting diode device, the flexible substrate may be in the form of a strip or a repeating connection, which may be composed of a flexible printed circuit (FPC).

In the above-mentioned color-changing light-emitting diode device, the light emitted by each light-emitting diode unit includes a red light, a green light or a blue light; and the light emitted by each light-emitting diode can be mixed to form a light. Yellow light, a cyan light, a magenta light (Magenta) or a white light.

In the above color-changing light-emitting diode device, the electrical connection region can be packaged Contains a magnetic device or a switching device.

In another embodiment, the electrical connection region may also include an aperture cover. The aperture cover can be formed on the flexible substrate. When the aperture cover is opened, the conductive unit relative to the position of the aperture cover is disconnected; when the aperture cover is closed, the conductive unit relative to the position of the aperture cover is connected.

100‧‧‧Color-changing light-emitting diode device

110‧‧‧Flexible substrate

120‧‧‧Power supply unit

130‧‧‧Conducting unit

140‧‧‧Lighting diode unit

150‧‧‧opening cover

160‧‧‧Switching device

170‧‧‧resistance

180‧‧‧Electrical connection zone

200‧‧‧Color-changing light-emitting diode device

301‧‧‧ wire

302‧‧‧Wire

303‧‧‧Contacts

1 is a schematic view showing the structure of a color-changing light-emitting diode device according to an embodiment of the present invention; FIG. 2 is a schematic view showing the extended connection of the color-changeable light-emitting diode device in FIG. 1; FIG. 4 is a schematic view showing the structure of the color-changing light-emitting diode device in FIG. 3; and FIG. 5 is a schematic view showing the extension of the color-changing light-emitting diode device in FIG. 3; An application example of a color-changing light-emitting diode device.

Hereinafter, a plurality of embodiments of the present invention will be described with reference to the drawings. For the sake of clarity, many practical details will be explained in the following description. However, it should be understood that these practical details are not intended to limit the novel. That is to say, in some embodiments of the present invention, these practical details are not necessary. In addition, in order to simplify the schema, some conventional structures and components are shown in the figure. It will be shown in a simple schematic manner.

Please refer to Figure 1 and Figure 2 together. 1 is a schematic view showing the structure of a color-changing light-emitting diode device 100 according to an embodiment of the present invention; and FIG. 2 is a schematic view showing the extended connection of the color-changeable light-emitting diode device 100 in FIG.

In one embodiment, the present invention provides a color-changeable light-emitting diode device 100 including a flexible substrate 110, a power supply unit 120, a conductive unit 130, and a plurality of light-emitting diode units 140. The conductive unit 130 and the LED unit 140 are disposed on the flexible substrate 110 , and the power supply unit 120 can be directly disposed on or away from the flexible substrate 110 . The power supply unit 120 is configured to provide power necessary for the operation of the entire color-changeable light-emitting diode device 100. The power supply unit 120 is electrically connected to the conductive unit 130 and is supplied to the light-emitting diode unit 140 through the conductive unit 130. The power output of the power supply unit 120 may be direct current (for example, a dry battery), but is not limited thereto.

The number of the light emitting diode unit 140 and the conductive unit 130 is not particularly limited. In FIG. 1 , the overall color changeable light emitting diode device 100 includes three conductive units 130 and three light emitting diode units 140 . Each of the conductive units 130 is electrically connected to each of the light emitting diode units 140. The three light emitting diode units 140 can emit red light, green light, and blue light, respectively. Each of the conductive units 130 and each of the LED units 140 has an electrical connection region 180. The electrical connection region 180 can be selectively disconnected or connected to control whether each of the conductive units 130 and its corresponding LED unit 140 are turned on or not, thereby controlling whether each of the LED units 140 is illuminated or not. For example, in FIG. 1 , when the electrical connection region 180 between the light emitting diode unit 140 emitting red light and the corresponding conductive unit 130 is disconnected, only the blue light and the green light emitting diode are emitted. Body unit 140 can be turned on and lit. At this time, based on the principle of hue, the light color of the overall color-changeable light-emitting diode device 100 is cyan light (Cyan) formed by blue light and green light mixed light. Based on this principle, the LED unit 140 of any number and of any color can be turned on or off to form a variety of mixed light colors. Since the light emitting diode unit 140 including at least three kinds of light colors of red light, green light, and blue light is used, the entire color changeable light emitting diode device 100 may include at least red light, green light, and blue according to the open and closed state thereof. A combination of shades of light, yellow, cyan, magenta, and white.

In one example, as shown in FIG. 1 , the electrical connection region 180 between the conductive unit 130 and the corresponding LED unit 140 includes an aperture cover 150 . The opening cover 150 is formed on the flexible substrate 110. When the opening cover 150 is opened or removed, the conductive unit 130 at the position opposite to the opening cover 150 is disconnected, so that power cannot be supplied to the corresponding light emitting diode. The unit 140; when the aperture cover 150 is closed or installed, the conductive unit 130 is connected to provide power to the corresponding light-emitting diode unit 140. Thereby, the dimming effect can be achieved in a simple manner, without the need for the LED strip lamp to be dimmed using a high-cost driving IC.

The novel color-changeable light-emitting diode device 100 can be repeatedly extended to form any geometric shape to meet the needs of different occasions. As shown in FIG. 2, the flexible substrate 110 can be repeatedly extended and joined to form an elongated strip shape. In order to provide continuous power supply, the wires 301 and the wires 302 respectively corresponding to the positive and negative poles of the LED unit 140 may be disposed on the flexible substrate 110 of the extended connection. The wire 301 and the wire 302 are electrically connected to the power supply unit 120. In the second embodiment, the power supply unit 120 is disposed directly on the flexible substrate 110. In another possible embodiment, the power supply unit 120 can also be disposed away from the flexible substrate 110.

Please continue to refer to Figures 3 and 4. 3 is a schematic structural view of a color-changing light-emitting diode device 100 according to another embodiment of the present invention; and FIG. 4 is a schematic diagram showing the extended connection of the color-changeable light-emitting diode device 100 in FIG.

The novel color changeable light emitting diode device 100 can have various embodiments. In FIG. 3, the flexible substrate 110 may be composed of a flexible printed circuit (FPC). On the flexible substrate 110, the electrical connection region 180 between each conductive unit 130 and its corresponding LED unit 140 includes a switching device 160. The switching device 160 can control each conductive unit 130 and its corresponding LED. Units 140 are turned on or off. For example, when the switch device 160 is pressed, the corresponding LED unit 140 can be illuminated, and the LED unit 140 that controls different light colors can be separately illuminated or mixed to obtain a dimming effect.

Similar to the foregoing embodiment, as shown in FIG. 4, the flexible substrate 110 may be repeatedly extended to form an elongated strip. In the third and fourth figures, since the flexible substrate 110 is composed of a flexible circuit board, the conductive unit 130 can be directly printed on the flexible substrate 110 to form a wire to provide power for the LED unit 140, and The remaining wires can be electrically connected and electrically connected to the contacts 303 at both ends of the flexible substrate 110 so that the integral device can be repeatedly extended and can be powered. In another possible embodiment, the conductive unit 130 in FIG. 3 can reconnect the resistor 170 in series to control the voltage/current. Moreover, the switching device 160 can also be replaced with a magnetic device (not shown). The conductive unit 130 can be turned on or off between the conductive unit 130 and its corresponding light-emitting diode unit 140 through the magnetic device, and the light-emitting diode unit 140 can be controlled to be turned on or off. In other words, the electrical connection region 180 of the present invention can include any device that can be "connected" or "disconnected"; It is also possible to replace the opening cover 150, the switch device 160 and the magnetic device with various devices such as fastening, bonding, adsorption, latching and the like.

Referring to FIG. 5, an application example of the novel color-changeable light-emitting diode device 200 is shown. The color changeable light-emitting diode device 200 of the prior art has been described as being repeatably extendable to the desired geometry. In FIG. 5, a warning slogan is shown, which is extended from the color-changeable light-emitting diode device 200 to form a strip shape, and then combined with a plurality of strip-shaped variable-color light-emitting diode devices 200 to form a triangle. Outside the box. The color-changing light-emitting diode device 200 arranged in any combination can be formed into any geometric shape, and can be applied to various fields such as various buildings, vehicles, furniture, advertising billboards, and illumination lamps.

In summary, the color-changing light-emitting diode devices 100 and 200 provided by the present invention can achieve a dimming effect through a simple structure, thereby eliminating the use of a complicated driving IC. Furthermore, the color-changeable light-emitting diode devices 100, 200 can be repeatedly extended and connected into a desired geometry, and have various application modes.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Any one skilled in the art can make various changes and retouchings without departing from the spirit and scope of the present invention. The scope is subject to the definition of the scope of the patent application attached.

100‧‧‧Color-changing light-emitting diode device

110‧‧‧Flexible substrate

120‧‧‧Power supply unit

130‧‧‧Conducting unit

140‧‧‧Lighting diode unit

150‧‧‧opening cover

180‧‧‧Electrical connection zone

301‧‧‧ wire

302‧‧‧Wire

Claims (10)

A color-changing light-emitting diode device comprising: a flexible substrate; a plurality of conductive units disposed on the flexible substrate; a plurality of light-emitting diode units disposed on the flexible substrate, each of the light-emitting The diode unit is electrically connected to each of the conductive units; and a power supply unit electrically connected to each of the conductive units to provide a power to each of the light emitting diode units; wherein each of the conductive units and the corresponding light emitting unit An electrical connection region is disposed between the diode units, and the electrical connection region is selectively disconnected or connected to turn off or turn on the light emitted by each of the light emitting diode units, so that the light emitting diodes can be emitted. Discoloration with a single light color or mixed light. The color-changing light-emitting diode device of claim 1, wherein the flexible substrate is elongated. The color-changeable light-emitting diode device of claim 2, wherein the flexible substrate is repeatably extendable. The color-changing light-emitting diode device of claim 2, wherein the flexible substrate is composed of a flexible printed circuit (FPC). The color-changing light-emitting diode device of claim 1, wherein each of the light-emitting diode units emits a red light Color light, a green light or a blue light. The color-changing light-emitting diode device of claim 5, wherein the light emitted by each of the light-emitting diodes is mixed to form a yellow light, a cyan light, and a magenta light ( Magenta) or a white light. The color-changeable light-emitting diode device of claim 1, wherein the electrical connection region comprises a magnetic attraction device. The color-changeable light-emitting diode device of claim 1, wherein the electrical connection region comprises a switching device. The color-changeable light-emitting diode device of claim 1, wherein the electrical connection region comprises an aperture cover. The color-changing light-emitting diode device of claim 9, wherein the opening cover is formed on the flexible substrate, and when the opening cover is opened, the conductive unit opposite to the opening cover is Disconnected; when the aperture cover is closed, the conductive unit relative to the aperture cover position is connected.