KR20110055198A - LED lighting frame and control method - Google Patents

Abstract

The embodiment relates to an LED lighting frame and a control method thereof.

LED lighting photo frame according to the embodiment (Function Create Part) for setting the function (Function Create Part); A controller for transmitting and receiving data to and from the function generator; A dimming pattern generator configured to receive data received from the function generator and generate a predetermined dimming pattern from the controller; And an LED receiving the generated dimming pattern through the controller to illuminate light including the dimming pattern.

Light emitting element, LED, Lighting frame

Description

LED lighting frame and control method {LED LIGHTING PICTURE FRAME AND CONTROLING METHOD OF THE SAME}

The embodiment relates to an LED lighting frame and a control method thereof.

The LED (Light Emitting Device) may be generated by combining elements of Groups III and V on the periodic table of a p-n junction diode having a characteristic in which electrical energy is converted into light energy. LED can realize various colors by adjusting the composition ratio of compound semiconductors.

When the forward voltage is applied, the n-layer electrons and the p-layer holes combine to emit energy corresponding to the energy gap of the conduction band and the valence band. It is mainly emitted in the form of heat or light, and when it is emitted in the form of light, it becomes a light emitting device.

For example, nitride semiconductors are receiving great attention in the field of optical devices and high power electronic devices due to their high thermal stability and wide bandgap energy. In particular, blue light emitting devices, green light emitting devices, and ultraviolet light emitting devices using nitride semiconductors are commercially used and widely used.

The lighting frame according to the prior art has added a lighting function or a simple color change for the highlighting of the lighting frame image, but it was difficult to control the lighting frame to meet various needs of the user.

Embodiments provide an LED lighting frame and a control method thereof that can reflect various emotional and psychological characteristics of users who use the product.

LED lighting photo frame according to the embodiment (Function Create Part) for setting the function (Function Create Part); A controller for transmitting and receiving data to and from the function generator; A dimming pattern generator configured to receive data received from the function generator and generate a predetermined dimming pattern; And an LED receiving the generated dimming pattern and illuminating light including the dimming pattern.

In addition, the LED lighting frame control method according to the embodiment comprises the steps of setting a predetermined function in the Function Create Part (Function Create Part); Transmitting data of the function generation unit from the function generation unit to a controller; Receiving a data received from the function generator and generating a predetermined dimming pattern in a dimming pattern generator; And illuminating light including the dimming pattern in the LED by receiving the generated dimming pattern.

According to the LED lighting frame and the control method according to the embodiment, the user can implement a dimming function (Dimming Function) desired by the user through the function creation part (Function Create Part) and the dimming pattern generator (Time) By using the Timer function, different effects can be realized according to seasons and time zones, and by varying the color scheme by communicating with external devices using the serial port, various emotional and psychological aspects of users who use the product are changed. Features can be reflected, and by using the LED as a light source can provide an LED lighting frame that operates with low power and environmentally friendly.

In the description of the embodiments, it is to be understood that each layer (film), area, pattern or structure may be referred to as being "on" or "under" the substrate, each layer Quot; on "and" under "are intended to include both" directly "or" indirectly " do. Also, the criteria for top, bottom, or bottom of each layer will be described with reference to the drawings.

In the drawings, the thickness or size of each layer is exaggerated, omitted, or schematically illustrated for convenience and clarity of description. In addition, the size of each component does not necessarily reflect the actual size.

(Example)

1 is a view illustrating a configuration and control relationship of the LED lighting frame 100 according to the embodiment.

LED lighting frame 100 according to the embodiment is a function creation unit (Function Create Part) 120 for setting the function, a controller (controller 110) for transmitting and receiving data with the function generation unit 120, and The dimming pattern generator 130 receives the data received from the function generator 120 from the controller 110 and generates a predetermined dimming pattern. The dimming pattern is generated using the dimming pattern generator 130. It may include an LED 150 that receives through and illuminates the light containing the dimming pattern.

The embodiment relates to an LED mood lighting frame using a light emitting diode (LED), and includes an LED 150, a dimming pattern generator 130, a timer 180, and a communication driver 190. May be collectively controlled by the controller 110. The controller 110 may include a micro-controller, but is not limited thereto.

According to the embodiment, a dimming pattern is formed through the memory 170, the dimming pattern generator 130, and the timer 180 by the operation of the function generator 120. Operate the connected output circuit blocks to operate the LED 150 connected to the LED driver 140, the LED lighting frame 100 and the external terminal (not shown) by the communication driver 190 connected to the control unit 110 ) Can be given a communication function.

These circuits and related products are connected to the power supply unit (160) that supplies power and interact with each other, and are used as mood lighting by the LED (150), the time by the timer 180 In accordance with the appropriate mood conversion and may have a light control function due to communication with the external peripheral terminal through the serial port (Serial Port) (195).

According to an exemplary embodiment, a mood lighting effect may be produced by connecting a predetermined memory 170 to the controller 110 to drive the LED 150 at the time of lighting output. For example, there are samples for a predetermined dimming pattern in the memory 170 so that a user can select a desired dimming pattern through the function generator 120, and the selected dimming pattern information is sent to the dimming pattern generator 130. Transmitted to achieve a mood lighting effect including the desired dimming pattern in the LED (150).

In addition, the embodiment may produce a mood lighting effect set according to a desired time or time in driving the LED 150 at the time of illumination by connecting a predetermined timer 180 to the controller 110. have. For example, the dimming pattern generator 130, the memory 170, and the timer 180 are connected to the controller 110 to drive the LED 150 through the LED driver 140 at the time of lighting output. The mood lighting effect can be characterized according to season or time of day.

In addition, the embodiment may include a serial port 195 for communication between the LED lighting frame 100 and a predetermined external terminal (not shown). The external terminal (not shown) may be an external information terminal such as a computer, an external second LED lighting frame, or an external information input unit such as a remote controller, but is not limited thereto.

For example, an embodiment may include a second dimming by an external terminal connected to the serial port 195 by connecting a communication driver 190 that controls the serial port 195 to the controller 110. You can enter the pattern.

Also, for example, the embodiment may be configured to connect a communication driver 190 that controls the serial port 195 to the control unit 110 so that the external LED is connected through the serial port 195. When connected to the lighting frame (not shown) can be linked to each other to produce a mood lighting effect.

According to the LED lighting frame and the control method according to the embodiment, the user can implement a dimming function (Dimming Function) desired by the user through the function creation part (Function Create Part) and the dimming pattern generator (Time) By using the Timer function, different effects can be realized according to seasons and time zones, and various emotional and psychological characteristics of users who use the product by changing the color scheme by communicating with external devices using the serial port. It can be reflected, and by using the LED light source can provide an LED lighting frame that operates with low power environmentally friendly.

2 is a partial side cross-sectional view of the LED lighting frame 100 according to the embodiment.

In the LED lighting frame 100 according to the embodiment, the LED 150 formed on the PCB 151 may be fixed to one side of the frame 152.

The LED 150 may include a plurality of LEDs such as a red LED, a green LED, and a blue LED, but is not limited thereto. The LED 150 may be formed of a material such as GaN, GaAs, GaAsP, GaP, but is not limited thereto. For example, Green ~ Blue LED can use GaN (InGaN), Yellow ~ Red LED can use InGaAIP, AIGaAs, and full color can be realized according to the change of material composition.

In addition, the LED 150 may be a white LED, and in order to implement a white LED, a combination of red, green, and blue LEDs, which are three primary colors of light, or a yellow phosphor (YAG, TAG, etc.) on a blue LED Phosphor may be used), or a red / green / blue tricolor phosphor may be used for the UV LED.

The light guide plate 154 formed on the support plate 153 may be fixed in the frame 152 on one side of the LED 150, and a predetermined picture 155 may be placed on the light guide plate 154. A predetermined transparent to translucent cover 156 may be placed on the 155.

A predetermined flip 157 that is capable of vertically moving is attached to an upper end of one side of the frame 152 to fix the picture 155 by supporting the cover 156.

LED lighting frame according to the embodiment can implement the desired dimming function arbitrarily desired by the user through the function generation unit, and can implement a different effect by driving the LED by season and time zone by using the time-ear function, external using the serial port By changing the LED color scheme in communication with the terminal, it is possible to reflect various emotional and psychological characteristics of users.

3 is a light emission conceptual diagram of the LED lighting frame according to the embodiment.

According to the embodiment, the dimming pattern generator 130 variably operates not only the white light LED but also the red, green, and blue three-color LEDs to a range where the lamp can achieve the maximum brightness in the normal operating range. You can.

In the embodiment, the brightness of the LED light may be adjusted by adjusting the size of the power supply for generating light in the LED. For example, light may be brightened when the power supply is large, and light may be dark when the power supply is small.

The component of the supply power is the product of voltage and current (P = V × I), and in order to control the magnitude of the power, the magnitude of the power may be controlled by controlling one of the voltage and the current or both. .

4 is a basic conceptual diagram of power control of an LED lighting frame according to an embodiment.

In an embodiment, the dimming pattern generator 130 may generate a dimming pattern through power control by a pulse width modulation (PWM) control method.

In an embodiment, the PWM performs switching in a way to control the power to the load (LED) On-Off. That is, the power is supplied in the form of a pulse, and at this time, the supply power of one cycle may be determined by adjusting the ratio between the "On" section and the "Off" section.

For example, T may be a period, Thi may be an "On" section, and Tlow may be an "Off" section.

The dimming pattern generator 130 may include a reference time, a loop counter, and a power control switch, as shown in FIG. 4, through which the supply power can be supplied stepwise and variably from 0 to 255, for example.

In addition, in the embodiment, the supply power is supplied in the form of a pulse, and the on / off determination of the supply power may be determined by comparing the reference time and the loop counter value.

For example, the on / off determination of the supply power may be performed by comparing the reference time with the loop counter value and turning on the switch in a section in which the loop counter is larger than the reference time as shown in FIG. But it is not limited thereto.

5 to 6 are exemplary diagrams of output power of a dimming pattern generator using PWM of an LED lighting frame according to an embodiment.

According to the embodiment, when the power supply is a constant value in the dimming pattern generator 130, the brightness of the LED may be changed by changing the output power by changing the reference time, but is not limited thereto.

On the other hand, when the reference time is a constant value, the output power may be changed by varying the supply power, in this case, the supply power may be varied through a control device (not shown) for the power supply unit 160.

5 is an example in which the brightness of the LED is reduced by decreasing the average power (output power) by increasing the reference time when the supply power is a constant value according to the first pulse width modulation PWM1.

6 is an example in which the brightness of the LED is increased by increasing the average power (output power) by decreasing the reference time when the supply power is a constant value according to the second pulse width modulation PWM 2.

According to the LED lighting frame and the control method according to the embodiment, the user can implement a desired dimming function (Function Function) through the function creation part (Function Create Part), the seasonal, Different effects can be realized at different times, and the color configuration can be changed by communicating with external devices using serial ports to reflect various emotional and psychological characteristics of users who use the product. By using a light source, it is possible to provide an LED lighting frame that operates with eco-friendly low power.

7 is a view illustrating an example of a function generating unit control procedure of the LED lighting frame according to the embodiment.

In an embodiment, the function generator 120 may set first information about maximum to minimum brightness, second information about an operation mode, and third information about a color change period.

For example, the dimming pattern generator 130 may basically generate an output signal by a user input of the function generator 120.

The control signal received by the dimming pattern generator 130 from the function generator 120 is first information that is the maximum and minimum brightness information (0 to 255) of each of the three RGB colors, and second information about the operation mode. You can receive a lot of color information or flicker mode information, continuous mode information, and the third information about the color change cycle, which is classified into 9 quick steps You can get information.

Subsequently, the dimming pattern generator 130 receives first pulse width modulation data and second pulse widths of the first information, the second information, and the third information received from the function generator 120. Modulation data and third pulse width modulation data may be configured to supply power to the LED.

For example, the dimming pattern generator 130 may configure three PWMs for controlling RGB three colors from the three pieces of information, and power may be supplied to the LED three color lamps from the configured PWMs.

Hereinafter, the control sequence of the function generating unit in the LED lighting frame according to the embodiment will be described with reference to FIG. 7.

In an embodiment, the setting and adjustment of data transmitted to the dimming pattern generator 130 through the function generator 120 may be performed as shown in FIG. 7.

First, the function generation unit 120 may select an operation mode or an operation mode. For example, an operation mode or a setting mode may be selected using a tack switch, but is not limited thereto. Mode 1 may be an operation mode and Mode 2 may be a setting mode, but is not limited thereto.

Already set data in which Mode 1 is selected may be transmitted to the dimming pattern generator 130 to drive the LED.

If you select Mode 2, you can select F Mode or C Mode as the function setting mode. The F mode may be a flicker mode, and the C mode may be a continuous mode, but is not limited thereto.

According to the embodiment, the color of the lighting may be set using a 3-point dip switch, and the brightness may be set using three variable volume switches, but the present invention is not limited thereto.

When F mode is selected in the embodiment, a three-point dip switch or variable is used to change the number of RGB tricolor brightness combinations to be used for Flicker Mode, and the RGB tricolor brightness values (0 to 255) as many as the flicker repetition period (time delay) or the number of combination blocks. It can be set using the volume switch, but is not limited thereto.

In addition, when the C mode is selected in the embodiment, the number of sets of RGB tricolor brightness combinations to be used for the Continuity Mode, the repetition period of the brightness change, or the RGB tricolor brightness values (0 to 255) are adjusted using a three-point dip switch or a variable volume switch. It can be set, but is not limited thereto.

8 is an exemplary picture frame implemented according to the LED lighting frame according to the embodiment.

According to the LED lighting frame and the control method according to the embodiment, the user can implement a dimming function (Dimming Function) desired by the user through the function creation part (Function Create Part) and the dimming pattern generator (Time) By using the Timer function, different effects can be realized according to seasons and time zones, and various emotional and psychological characteristics of users who use the product by changing the color scheme by communicating with external devices using the serial port. It can be reflected, and by using the LED light source can provide an LED lighting frame that operates with low power environmentally friendly.

The features, structures, effects and the like described in the embodiments are included in at least one embodiment and are not necessarily limited to only one embodiment. Furthermore, the features, structures, effects, and the like illustrated in the embodiments may be combined or modified with respect to other embodiments by those skilled in the art to which the embodiments belong. Accordingly, the contents of such combinations and modifications should be construed as being included in the scope of the embodiments.

In addition, the above description has been made with reference to the embodiments, which are merely examples and are not intended to limit the embodiments, and those skilled in the art to which the embodiments belong may not be exemplified above without departing from the essential characteristics of the embodiments. It will be understood that various modifications and applications are possible. For example, each component specifically shown in the embodiment can be modified. And differences relating to these modifications and applications will have to be construed as being included in the scope of the embodiments defined in the appended claims.

1 is a view illustrating a configuration and control relationship of an LED lighting frame according to an embodiment.

2 is a partial side cross-sectional view of the LED lighting frame according to the embodiment.

3 is a light emission conceptual diagram of the LED lighting frame according to the embodiment.

4 to 6 is a view illustrating a power control of the LED lighting frame according to the embodiment.

7 is an exemplary view illustrating a control method of an LED lighting frame according to the embodiment;

8 is an exemplary picture frame implemented according to the LED lighting frame according to the embodiment.

Claims (10)

Function Create Part for function setting (Function Create Part); A controller for transmitting and receiving data to and from the function generator; A dimming pattern generator configured to receive data received from the function generator and generate a predetermined dimming pattern; And LED lighting frame comprising a; LED receiving the generated dimming pattern to illuminate the light containing the dimming pattern. The method of claim 1 The dimming pattern generation unit LED lighting frame that generates dimming pattern through power control by Pulse Width Modulation (PWM) control method. The method of claim 2 The dimming pattern generation unit LED lighting frame that can supply supply power step by step, including reference time, loop counter, power control switch. The method of claim 3, In the dimming pattern generator, The supply power is supplied in the form of a pulse, and the on / off determination of the supply power is determined by comparing the reference time with the loop counter value. When the supply power is a constant value, LED lighting frame for changing the brightness of the LED by changing the output power by varying the reference time. According to claim 1, It further comprises a serial port (Serial Port) for communication with the LED lighting photo frame and a predetermined external terminal, And a communication driver for controlling the serial port connected to the control unit so that data on a second dimming pattern by an external terminal connected to the serial port can be input to the dimming pattern generator. The method of claim 5 An LED lighting frame is connected to the control unit (Communication Driver) for controlling the serial port by connecting to a plurality of LED lighting frame connected through the serial port when interlocked to produce a mood lighting effect. Setting a predetermined function in a function creation part; Transmitting data of the function generation unit from the function generation unit to a controller; Receiving a data received from the function generator and generating a predetermined dimming pattern in a dimming pattern generator; And And receiving the generated dimming pattern and illuminating a light including a dimming pattern in the LED. The method of claim 7, The dimming pattern generation unit Generate a dimming pattern through the power control by the Pulse Width Modulation (PWM) control method, The dimming pattern generator includes a reference time, a loop counter, and a power control switch, and may supply supply power stepwise and variably. Supplying power in the dimming pattern generation unit is supplied in the form of a pulse, and the on / off (On / Off) determination of the supply power is determined by comparing the reference time and the loop counter value control method of the LED lighting frame. The method of claim 8 The function generating unit, First information about maximum to minimum brightness, second information about an operation mode, and third information about a color change period may be set; Configuring first pulse width modulation data, second pulse width modulation data, and third pulse width modulation data for the first information, the second information, and the third information received from the function generator, Control method of the LED lighting frame for supplying power to the LED. The method of claim 9 The second information setting for the operation mode of the function generation unit, Selecting an operation mode or a setting mode; And And selecting a flicker mode or a continuous mode when the setting mode is selected.

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