KR100557001B1 - Driving apparatus of light emitting diode illumination unit using touch panel - Google Patents

Abstract

The present invention provides a touch panel that linearly selects the x and y coordinates of chromaticity and illuminance to be expressed by fingers or sticks, and adjusts the color and contrast of red, blue, green and white light emitting diodes of the lighting unit. Receives x- and y-coordinates for chromaticity input to the touch panel and calculates the lighting operation time (PW (pulse width)) and pulse amplitude of red, blue, green, and white light emitting diodes of the lighting unit. The microprocessor and the lighting operation time of the red, blue, green and white light emitting diodes of the lighting unit output from the microprocessor are received and switched on during the calculated time, respectively, to turn on the red, blue, green and white light of the lighting unit. The light emitting diode is composed of a lighting unit driving means for switching on to emit light in the intensity and color input from the touch panel.

Therefore, in the present invention, color adjustment can be easily performed linearly in a short time, and the light emitting diode emitting white light is added to the light emitting diode emitting three primary colors of light to make the illuminance of illumination of 500 lux or more, which is sufficient for learning. Adjustment can be easily performed, and since the illumination unit driving means uses a Darlington amplifier, power consumption is low and there is no chewing, thereby reducing eye fatigue.

Light-emitting diode, lighting fixture, touch panel

Description

Driving device for LED lighting unit using touch panel {DRIVING APPARATUS OF LIGHT EMITTING DIODE ILLUMINATION UNIT USING TOUCH PANEL}

1 is a block diagram schematically showing a driving device of a light emitting diode lighting unit using a touch panel according to an embodiment of the present invention;

2 is a longitudinal sectional view schematically showing a touch panel applied in the present invention.

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

10: Touch panel 11: Color display board

12: transparent glass plate 13: first transparent conductive film

14: transparent sheet 15: second transparent conductive film

16: Space part 17: Frame

18a, 19a: + electrode lead wire 18b, 19b:-electrode lead wire

20: microprocessor 30: lighting unit driving means

31: first darlington amplifier 32: second darlington amplifier

34: third darlington amplifier 34: fourth darlington amplifier

40: lighting unit

The present invention relates to a driving device of a light emitting diode lighting unit using a touch panel, and in particular, a combination of red, blue, green, and white light emitting diodes to increase illuminance. The present invention relates to a driving device of a light emitting diode illumination unit using a touch panel that can adjust chromaticity and illumination while visually checking a light emitting color of the light emitting diode illumination unit.

Conventionally, a technology related to light emitting diodes (LEDs) that emit various colors is a combination of three primary colors of red, blue, and green. Due to this, there is a problem such as not being able to emit sufficient illuminance, making it difficult to access as a general-purpose luminaire, and various problems such as the inability to easily adjust various colors.

Accordingly, the present invention has been made in view of the above-mentioned various problems, and an object of the present invention is to provide a driving device of a light emitting diode illumination unit using a touch panel which can easily perform color adjustment by a touch panel in a short time. To provide.

Another object of the present invention is to add a light emitting diode emitting white light to the light emitting diode emitting three primary colors of light to make a light intensity of 500 lux or more that is sufficient illumination for learning, the light emitting diode illumination using a touch panel that can easily adjust the illumination It is to provide a drive of the unit.

Still another object of the present invention is to provide a driving device of a light emitting diode lighting unit using a touch panel which reduces power consumption and reduces gum fatigue due to low power consumption.

In order to achieve the above object, the present invention provides a touch panel for linearly selecting the x and y coordinates of chromaticity and illuminance to be expressed by a finger or a stick, and red, blue, green and white light emitting diodes of an illumination unit. The operation time (PW (pulse width)) of the red, blue, green and white light emitting diodes of the lighting unit is calculated by processing the x and y coordinates of the chromaticity input to the touch panel to adjust the color and contrast. The microprocessor calculates the pulse amplitude, and receives the lighting driving time of the red, blue, green, and white light emitting diodes of the lighting unit output from the microprocessor, and is switched on for each of the calculated time periods. The light emitting diodes of blue, green, and white may be configured to be driven by an illumination unit driving means which is switched on to emit light with illuminance and color input from the touch panel. It is characterized by.

Hereinafter, a driving device of a light emitting diode illumination unit using a touch panel according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram schematically showing a driving device of a light emitting diode lighting unit using a touch panel according to an embodiment of the present invention, Figure 2 is a longitudinal sectional view schematically showing a touch panel applied in the present invention.

As shown in FIGS. 1 and 2, a driving device of a light emitting diode lighting unit using a touch panel according to an embodiment of the present invention is linear with x or y coordinates of chromaticity and illuminance to be expressed by a finger or a stick. The touch panel 10 and the touch panel 10 to adjust the color and contrast of the light emitting diodes of the red (R), blue (B), green (G), and white (W) colors of the lighting unit 40. 10) The light emitting diodes of red (R), blue (B), green (G), and white (W) colors of the lighting unit 40 are processed by receiving the x coordinate and the y coordinate of the chromaticity inputted in the lighting unit 40. Microprocessor 20 for calculating the lighting driving time (PW (Pulse Width) and Pulse amplitude) of LED, B-LED, G-LED, W-LED, respectively, and output from the microprocessor 20 Lighting operation of red (R), blue (B), green (G) and white (W) light emitting diodes (R-LED, B-LED, G-LED, W-LED) of the lighting unit 40 Take a time and each for that computed time Positioning on the light emitting diodes of red (R), blue (B), green (G) and white (W) of the lighting unit 40 (R-LED, B-LED, G-LED, W-LED) It is composed of a lighting unit driving means 30 is switched on to emit light in the illuminance and color input from the touch panel 10.

The lighting unit 40 includes a red (R) light emitting diode (R-LED) emitting red light, a green (G) light emitting diode (G-LED) emitting green light, and blue (B) light emitting blue light. A plurality of pixels consisting of a diode (B-LED) and a white (W) light emitting diode (W-LED) emitting white light are arranged in a plurality of columns and a plurality of rows.

As illustrated in FIG. 2, the touch panel 10 includes a color display panel 11 in which colors of red (R), green (G), blue (B), and white (W) are sequentially arranged from left to right. A transparent glass plate 12 arranged on the color display panel 11, a first transparent conductive film 13 deposited on the transparent glass plate 12, a transparent sheet 14 covering an upper portion thereof, and the transparent A second transparent conductive film 15 deposited under the sheet 14, a space 16 spaced apart from the first transparent conductive film 13 and the second transparent conductive film 15, and the color display panel 11. ), A transparent glass plate 12, a first transparent conductive film 13, a transparent sheet 14, a second transparent conductive film 15, a frame 17 covering edges of the space 16, and the first transparent conductive film. + And-connected to both left and right ends of (13), respectively, to supply operating power, + and-connected to upper and lower ends of the second transparent conductive film 15, respectively, to supply operating power. -I'm Consists of a lead wire (19a, 19b).

The lighting unit driving means 30 is switched on by a driving pulse for driving the red (R) light emitting diode (R-LED) output from the microprocessor (20) and the red (R) light emitting diode (R-). The first Darlington amplifier 31 which emits light at the pulse width of the driving pulse and emits light at the intensity of the driving pulse, and the green (G) light emitting diode (output) output from the microprocessor 20. A second switch which is switched on by a driving pulse for driving the G-LED to cause the green (G) light emitting diode (G-LED) to emit light for the pulse width of the driving pulse, and to emit light at an intensity of the amplitude of the driving pulse; The blue (B) light emitting diode (B-LED) is switched on by a ring tone amplifier 32 and a driving pulse for driving the blue (B) light emitting diode (B-LED) output from the microprocessor 20. Is emitted during the pulse width of the driving pulse. And a third Darlington amplifier 33 which emits light at the intensity of the amplitude of the driving pulse, and a driving pulse for driving the white (W) light emitting diode (W-LED) output from the microprocessor 20. And the fourth Darlington amplifier 34 which is switched on to emit the white (R) light emitting diode (W-LED) during the pulse width of the driving pulse and emits light at the intensity of the amplitude of the driving pulse.

The first Darlington amplifier 31 receives a driving pulse for driving the red (R) light emitting diode (R-LED) output from the microprocessor 20 at a base terminal and outputs an output signal at a collector terminal when switching on. The base terminal is connected to the outputted first transistor Q1 and the emitter terminal of the first transistor Q1, and the collector terminal is connected to the collector terminal of the first transistor Q1. The second transistor Q2 is grounded.

The second darlington amplifier 32 receives a driving pulse for driving the green (G) LED (G-LED) output from the microprocessor 20 at a base terminal, and outputs a signal from a collector terminal when switching on. The base terminal is connected to the output third transistor Q3 and the emitter terminal of the third transistor Q3, and the collector terminal is connected to the collector terminal of the third transistor Q3. The fourth transistor Q4 is grounded.

The third Darlington amplifier 33 receives a driving pulse for driving the blue (R) light emitting diode (B-LED) output from the microprocessor 20 at a base terminal and outputs an output signal at a collector terminal when switching on. The base terminal is connected to the outputted fifth transistor Q5 and the emitter terminal of the fifth transistor Q5, and the collector terminal is connected to the collector terminal of the fifth transistor Q5. The sixth transistor Q6 is grounded.

The fourth Darlington amplifier 34 receives a driving pulse for driving the white (W) LED (W-LED) output from the microprocessor 20 at a base terminal and outputs an output signal at a collector terminal when switching on. The base terminal is connected to the output seventh transistor Q7 and the emitter terminal of the seventh transistor Q1, and the collector terminal is connected to the collector terminal of the seventh transistor Q7. The eighth transistor Q8 is grounded.

Next, the operation and effect of the driving device of the LED lighting unit using the touch panel according to the embodiment of the present invention configured as described above will be described.

First, pressing the position corresponding to the chromaticity and illuminance to be displayed on the touch panel 10 with a finger or a stick, the x-coordinate for the position is +,-through the electrode lead lines 18a and 18b to the microprocessor 20. At the same time, the y-coordinate is input to the microprocessor 20 through the + and-electrode lead lines 19a and 19b.

Position data corresponding to chromaticity and illuminance input to the microprocessor 20 are arithmeticly processed by the microprocessor 20 so that red (R), blue (B), green (G) and white of the lighting unit 40 are processed. The lighting driving time (PW (Pulse Width); Pulse Width) and pulse amplitude of the (W) color light emitting diode are calculated and output to the lighting unit driving means 30. In the lighting unit driving means 30, the red (R), blue (B), green (G) and white (W) light emitting diodes of the lighting unit 40 output from the microprocessor 20 are turned on. Depending on the time (PW (Pulse Width) and pulse amplitude), the red, blue, green, and white (W) color light emitting diodes (R-LED, B-LED, G-LED, W-LED), the first Darlington amplifier 31, the second Darlington amplifier 32 of the lighting unit driving means 30 with the illuminance calculated during the lighting time to drive the; The third darlington amplifier 33 and the fourth darlington amplifier 34 are selectively switched on.

Accordingly, the switching-on of the first Darlington amplifier 31, the second Darlington amplifier 32, the third Darlington amplifier 33 and the fourth Darlington amplifier 34 of the illumination unit driving means 30 Whereby Vcc is a pixel of the lighting unit 40, that is, red (R), blue (B), green (G) and white (W) light emitting diodes (R-LED, B-LED, G-). LED, W-LED) is emitted by the switching on of the corresponding Darlington amplifier and illuminated with the selected color and illuminance.

In the above description, the color and illuminance selected on the touch panel 10 may be linearly selected while visually checking the emission color and illuminance of the pixel of the illumination unit 40.

Therefore, the present invention can select the color linearly with a finger or a stick on the touch panel, so that color adjustment can be easily performed linearly in a short time, and white light is emitted to the light emitting diode emitting three primary colors of light. By adding a light emitting diode to make the illumination of 500 lux or more that is sufficient illumination for learning can be easily adjusted the illumination, the red (R), blue (B), green (G) and white ( W) The lighting unit driving means for driving the colored light emitting diodes (R-LED, B-LED, G-LED, W-LED) uses a Darlington amplifier, respectively, so that the power consumption is low and there is no swelling of the eyes. Relieves fatigue

In the above description, operating power is applied to the left and right ends of the first transparent conductive film 13 of the touch panel 10 by connecting to + and-electrode lead lines 18a and 18b, respectively, to apply the operating power to the touch panel 10. Although the touch panel which connects the + and-electrode lead lines 19a and 19b to upper and lower ends of the second transparent conductive film 15 to apply operating power is described as an example, the present invention is not limited thereto. For example, a positive electrode lead line and a negative electrode are disposed on the left and right sides of a plurality of blocks (specifically, blocks of the first transparent conductive film 13) in which the first transparent conductive film 13 of the touch panel 10 is divided into a checkerboard shape. A plurality of blocks (specifically, blocks of the second transparent conductive film 15) in which the lead wires are connected to each other to apply operating power, and the second transparent conductive film 15 of the touch panel 10 is divided into a checkerboard shape. It is operated by connecting + electrode lead wire and-electrode lead wire respectively. It goes without saying that even a configuration for applying power is included in the concept of the present invention.

In the above description, the specific embodiments have been shown and described, but the present invention is not limited thereto, for example, by those skilled in the art without departing from the concept of the present invention. Of course, the design can be changed in various ways.

As described above, according to the driving device of a light emitting diode illumination unit using a touch panel of the present invention, a touch panel for linearly selecting an x coordinate and a y coordinate of chromaticity and illuminance to be displayed by a finger or a stick, and an illumination unit Red, blue, green, and white light emitting diodes of the lighting unit are processed by receiving the x and y coordinates of the chromaticity input to the touch panel to adjust the color and contrast of the red, blue, green, and white light emitting diodes. A microprocessor that calculates the lighting driving time (PW (pulse width)) and the pulse amplitude of the light emitting device, and receives the lighting driving time of the red, blue, green, and white light emitting diodes of the lighting unit output from the microprocessor. Switching on each time period, the red, blue, green and white light emitting diodes of the lighting unit are converted into illuminance and color inputted from the touch panel. Since it is composed of an illumination unit driving means which is switched on to emit light, the light can be easily linearly adjusted in a short time by the touch panel, and light is emitted to emit white light to the light emitting diodes emitting three primary colors of light. By adding a diode, the illuminance can be easily adjusted by making illuminance of 500 lux or more, which is sufficient for learning, and the lighting unit driving means uses a Darlington amplifier, so the power consumption is low and there is no chewing, which reduces eye fatigue. Giving is a very good effect.

Claims (4)

Touch panel 10 for linearly selecting the x and y coordinates of chromaticity and illuminance to be displayed by fingers or sticks, and red (R), blue (B), green (G) of illumination unit 40 And x-coordinate and y-coordinate for the chromaticity input to the touch panel 10 to adjust the color and contrast of the white (W) color light emitting diodes (R-LED, B-LED, G-LED, W-LED). The light emitting diodes (R-LED, B-LED, G-LED, W-LED) of red (R), blue (B), green (G) and white (W) colors of the lighting unit 40 ) (R) and blue (B) of the microprocessor 20 for calculating the lighting driving time (PW (pulse width)) and the pulse amplitude, respectively, and the lighting unit 40 output from the microprocessor 20. And the lighting driving time of the light emitting diodes of green (G) and white (W) colors are switched on for the calculated time, respectively, and the red (R), blue (B), and green (G) of the lighting unit 40 are switched on. And a white (W) color light emitting diode (R-LED, B-LED, G-LED, W-LED) is input from the touch panel 10. It is provided with a lighting unit driving means 30 that is switched on to emit light in the light intensity and color, The lighting unit 40 includes a red (R) light emitting diode (R-LED) emitting red light, a green (G) light emitting diode (G-LED) emitting green light, and blue (B) light emitting blue light. A plurality of pixels consisting of a diode (B-LED) and a white (W) light emitting diode (W-LED) emitting white light are arranged in a plurality of columns and a plurality of rows. Driving device for a light emitting diode illumination unit using a touch panel. delete The display panel of claim 1, wherein the touch panel 10 includes a color display panel 11 in which colors of red (R), green (G), blue (B), and white (W) are sequentially arranged from left to right; A transparent glass plate 12 arranged on the color display panel 11, a first transparent conductive film 13 deposited on the transparent glass plate 12, a transparent sheet 14 covering an upper portion thereof, and the transparent sheet A second transparent conductive film 15 deposited on the lower portion of the substrate 14, a space portion 16 spaced apart from the first transparent conductive film 13, and the second transparent conductive film 15, and the color display panel 11. And a frame 17 covering edges of the transparent glass plate 12, the first transparent conductive film 13, the transparent sheet 14, the second transparent conductive film 15, and the space portion 16, and the first transparent conductive film ( + And-electrode lead wires 18a and 18b respectively connected to the left and right ends of 13), and + and-electrode lead wires 19a and 19b respectively connected to the upper and lower ends of the second transparent conductive film 15, respectively. It is characterized by Driving device for a light emitting diode illumination unit using a touch panel. According to claim 1, The lighting unit driving means 30 is switched on by the driving pulse for driving the red (R) light emitting diode (R-LED) output from the microprocessor 20 is the red (R) A first Darlington amplifier 31 which emits light at a pulse width of a driving pulse and emits light at an amplitude of a driving pulse, and the green output from the microprocessor 20. (G) is switched on by a driving pulse for driving the light emitting diode (G-LED) to cause the green (G) light emitting diode (G-LED) to emit light for the pulse width of the driving pulse and at the same time the intensity of the amplitude of the driving pulse Is switched on by a second Darlington amplifier 32 which emits light with a driving pulse which drives the blue (B) light emitting diode (B-LED) output from the microprocessor 20 and emits the blue (B) light. Pulse of pulse driving diode (B-LED) The third Darlington amplifier 33 which emits light for the width and emits light at the intensity of the amplitude of the driving pulse, and the white (W) light emitting diode (W-LED) output from the microprocessor 20. And a fourth Darlington amplifier 34 which is switched on by a driving pulse to emit the white (R) light emitting diode (W-LED) during the pulse width of the driving pulse and at the same time emits light at the intensity of the driving pulse. Driving device for a light emitting diode lighting unit using a touch panel, characterized in that.

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