KR20130127243A - Lighting apparatus and method of controlling a lighting apparatus - Google Patents

Abstract

The present invention relates to a lighting device and a control method of the lighting device. The lighting device comprises a main light source unit which emits white light; a sub-light source unit which comprises at least one of a red emitting unit, a green emitting unit, and a blue emitting unit; and a control unit which controls the main light source unit and the sub-light source unit according to at least one of a first mode, a second mode, and a third mode. The first mode drives only the main light source unit. The second mode drives the main light source unit and the sub-light source unit. The third mode drives only the sub-light source unit. The second mode or the third mode is provided to implement emotional lighting with the white light, thereby properly brightening the room and reducing the repulsion of a user for the emotional lighting. The present invention is provided to periodically drive the sub-light source unit during a time which is shorter than a recognition area of the user. [Reference numerals] (AA) Light source;(BB) Auxiliary light source unit;(CC) Main light source unit;(DD) Time (t)

Description

Lighting apparatus and method of controlling a lighting apparatus

The present invention relates to a lighting apparatus and a control method of the lighting apparatus, and more particularly, to a lighting apparatus and a control method of the lighting apparatus that can provide lighting suitable for the user's emotion according to the use environment or purpose.

In general, the lighting industry is so long that it has developed along with human civilization, and it is closely related to mankind.

Recently, the lighting industry has been continuously developed, and researches on light sources, light emitting systems, driving methods, and efficiency improvements have been made variously.

Light sources mainly used in the current lighting include incandescent lamps, discharge lamps, and fluorescent lamps, and are used for various purposes such as home use, landscape use, and industrial use.

In particular, resistive light sources such as incandescent lamps have low efficiency and high heat generation problems. In the case of discharge lamps, there are problems such as high voltage and high voltage. In fluorescent lamps, environmental problems caused by mercury use can be mentioned.

In order to solve the disadvantages of such light sources, there is a growing interest in light emitting diodes (LEDs) having many advantages such as efficiency, color diversity, and design autonomy.

A light emitting diode is a semiconductor device that emits light when a voltage is applied in a forward direction. It has a long lifetime, low power consumption, electrical, optical and physical characteristics suitable for mass production, and is rapidly replacing incandescent bulbs and fluorescent lamps.

On the other hand, emotional lighting refers to an illumination technology for creating an indoor atmosphere in accordance with the psychological state of a person by adjusting the lighting characteristics such as color temperature or lighting color, or for positively affecting emotion and cognitive activity. In recent years, the sensitivity of the lighting device that affects the human emotion as well as the low power, the life of the lighting device has been in the spotlight.

However, in the prior art, in order to implement emotional lighting, not only the discomfort to the user due to frequent lighting color changes but also a luxury atmosphere could not be created. Above all, since the emotional lighting mainly uses colored light (red, green, blue, etc.), white light cannot be used, and there is a problem of neglecting the basic function of lighting to properly maintain the brightness of the room.

The present invention has been made to solve the above-mentioned conventional problems, an object of the present invention is to provide a lighting device and a control method of the lighting device that can implement the emotional lighting at the same time while maintaining a suitable room brightness by emitting white light. have.

In order to achieve the above object, the lighting apparatus according to an embodiment of the present invention includes a plurality of auxiliary light source unit and at least one light emitting unit of the main light source unit for emitting white light, a red light emitting unit, a green light emitting unit and a blue light emitting unit; And a controller configured to control driving of the main light source unit and the auxiliary light source unit according to two illumination modes, wherein the controller is configured to drive the first mode driving only the main light source unit, the main light source unit, and the auxiliary light source unit. The main light source unit and the auxiliary light source unit are controlled according to any one of a second mode and a third mode of driving only the auxiliary light source unit.

Herein, the control unit drives the main light source unit in the second mode, and periodically drives the auxiliary light source unit for a predetermined time.

The control unit may control the driving of the auxiliary light source unit such that the ratio of the total driving time of the auxiliary light source unit to the total driving time of the main light source unit is 50% or less in the second mode. do.

In addition, the present invention is characterized in that the controller alternately drives the main light source unit and the auxiliary light source unit in the second mode.

The controller may control the brightness of the auxiliary light source unit in the second mode to be the same as the brightness of the main light source unit in a driving state.

The control unit may drive the auxiliary light source unit while the main light source unit is being driven in the second mode.

The control unit may reduce the brightness of the main light source unit while increasing the brightness of the auxiliary light source unit while the main light source unit and the auxiliary light source unit are both driven in the second mode. The brightness of the auxiliary light source unit is greater than the brightness of the main light source unit.

The control unit may control the auxiliary light source unit to selectively emit red light, green light, blue light, or mixed light according to a lower mode of the set second mode.

The control unit may drive all of the red light emitting unit, the green light emitting unit, and the blue light emitting unit of the auxiliary light source unit in a third mode, and periodically emits the red light emitting unit, green light emitting unit, and blue light emitting unit for a predetermined time. Stop driving at least one of the light emitting portion of the portion.

According to another exemplary embodiment of the present invention, an illumination apparatus includes an auxiliary light source unit including at least one light emitting part among a red light emitting part, a green light emitting part, and a blue light emitting part, and a first emotional light for driving the main light source unit and the auxiliary light source unit. And a controller for controlling driving of the main light source unit and the auxiliary light source unit according to a mode or a second emotional lighting mode for driving only the auxiliary light source unit.

Here, the present invention is characterized in that the control unit drives the main light source unit in the first emotional lighting mode and periodically driving the auxiliary light source unit for a predetermined time.

The control unit may alternately drive the main light source unit and the auxiliary light source unit in the first emotional lighting mode.

The control unit may drive the auxiliary light source unit while the main light source unit is being driven in the first emotional lighting mode.

The control unit may drive all of the red light emitting unit, the green light emitting unit, and the blue light emitting unit of the auxiliary light source unit in a second emotional lighting mode, and periodically, the red light emitting unit, the green light emitting unit, The driving of at least one light emitting unit of the blue light emitting unit is characterized in that to stop.

The control method of the lighting apparatus according to an embodiment of the present invention includes driving the main light source unit to emit white light and periodically driving the auxiliary light source unit for a predetermined time to emit red light, green light, blue light or mixed light. It is characterized by including.

In the present invention, the step of periodically driving the auxiliary light source unit for a predetermined time to emit red light, green light, blue light or mixed light, the total driving time of the auxiliary light source unit relative to the total driving time of the main light source unit The auxiliary light source unit is driven such that the ratio is 50% or less.

The present invention is characterized in that the step of periodically driving the auxiliary light source unit for a predetermined time to emit red light, green light, blue light or mixed light, it is characterized in that to drive the main light source unit and the auxiliary light source unit alternately.

In the present invention, the step of periodically driving the auxiliary light source unit for a predetermined time to emit red light, green light, blue light or mixed light, the brightness of the auxiliary light source unit equal to the brightness of the driving state of the main light source unit Characterized in that.

In addition, the step of driving the auxiliary light source unit periodically for a predetermined time to emit red light, green light, blue light or mixed light, characterized in that for driving the auxiliary light source unit while the main light source unit is driving. do.

In addition, the present invention is the step of periodically driving the auxiliary light source unit for a predetermined time to emit red light, green light, blue light or mixed light, the main light source unit while the main light source unit and the auxiliary light source unit are both driving; The brightness of the auxiliary light source unit is increased by simultaneously reducing the brightness of the auxiliary light source unit, thereby increasing the brightness of the auxiliary light source unit.

According to the present invention, the control unit may drive the main light source unit that outputs white light when the second mode is set, and periodically drive the auxiliary light source unit for a predetermined time, thereby maintaining the white light in the room and at the same time can implement the emotional lighting.

In addition, according to the present invention, in the second mode, the auxiliary light source unit may be periodically driven for a shorter time than the user's perception area, thereby eliminating user's discomfort due to a change in illumination color in implementing emotional lighting.

Further, according to the present invention, when the main light source unit and the auxiliary light source unit are alternately driven in the second mode, the brightness of the auxiliary light source unit is kept the same as the driving state brightness of the main light source unit, and in the driving state of the main light source unit. When driving the auxiliary light source unit, the brightness of the auxiliary light source unit may be increased while reducing the brightness of the main light source unit, thereby reducing the change in brightness due to the emotional lighting.

1 is a block diagram of a lighting apparatus according to an embodiment of the present invention.
2 and 3 are light source-time graphs showing a driving relationship between the main light source unit and the auxiliary light source unit according to the first embodiment of the second mode of the present invention.
4 is a brightness-time graph showing a change in brightness of the main light source unit and the auxiliary light source unit according to the first embodiment of the second mode of the present invention.
5 and 6 are light source-time graphs showing a driving relationship between the main light source unit and the auxiliary light source unit according to the second embodiment of the second mode of the present invention.
7 is a brightness-time graph illustrating a change in brightness of the main light source unit and the auxiliary light source unit according to the second embodiment of the second mode of the present invention.
8 is a cross-sectional view of an auxiliary light source unit according to an embodiment of the present invention.
9 is a brightness-time graph illustrating a change in brightness of the red light emitting unit, the green light emitting unit, and the blue light emitting unit in the third mode of the present invention.
10 is a flowchart illustrating a control method of a lighting device according to an embodiment of the present invention in order.
11 is a flowchart illustrating a control method of the lighting apparatus according to the first embodiment of the present invention in order.
12 is a flowchart illustrating a control method of the lighting apparatus according to the second embodiment of the present invention in order.

Hereinafter, a lighting apparatus and a control method of the lighting apparatus according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.

In addition, the same or corresponding components are denoted by the same reference numerals regardless of the reference numerals, and redundant description thereof will be omitted. For convenience of explanation, the size and shape of each constituent member shown may be exaggerated or reduced have.

On the other hand, terms including an ordinal number such as a first or a second may be used to describe various elements, but the constituent elements are not limited by the terms, and the terms may refer to a constituent element from another constituent element It is used only for the purpose of discrimination.

1 is a block diagram of a lighting device component according to an embodiment of the present invention. Hereinafter, with reference to the drawings looks at the configuration of the lighting apparatus of the present invention.

The present invention provides a main light source unit 110 for emitting white light, an auxiliary light source unit 120 for emitting colored light such as red light, green light or blue light, and a main light source unit 110 and an auxiliary light source according to a plurality of illumination modes. And a controller 130 for individually controlling the driving of the unit 120. In addition, the lighting apparatus of the present invention includes a power supply unit 140, an input unit 150, a communication module 160, a memory 170, and the like.

First, the main light source unit 110 of the present invention emits white light, and the auxiliary light source unit 120 emits red light, green light, blue light, or mixed light thereof to implement the emotional lighting. Therefore, the auxiliary light source unit 120 may include at least one light emitting unit of the red light emitting unit R, the green light emitting unit (G) and the blue light emitting unit (B).

The main light source unit 110 and the auxiliary light source unit 120 may be an LED light emitting device. By controlling the current supplied to the LED, the lighting characteristics such as color temperature and brightness can be adjusted, which is suitable for implementing emotional lighting. In this case, the main light source unit 110 is a white LED light emitting device, the auxiliary light source unit 120 may include a red LED, a green LED and a blue LED light emitting device.

In this case, the present invention may further include a main light source driver 180 for supplying a drive current to the main light source unit 110 and an auxiliary light source driver 190 for supplying a drive current to the auxiliary light source unit 120. The main light source driver 180 and the auxiliary light source driver 190 generate a driving current according to the control signal of the controller 130 and supply the light to the main light source unit 110 and the auxiliary light source unit 120 to emit light. .

Here, the auxiliary light source driving unit 190 may include at least one lower driving unit individually connected to the red light emitting unit R, the green light emitting unit G, or the blue light emitting unit B. Alternatively, the lower driving unit may include a lower driving unit which supplies a driving current by grouping some of the red light emitting unit R, the green light emitting unit G, or the blue light emitting unit B.

Next, the power supply unit 140 is connected to a power supply source to supply power to the lighting device. The power supply unit 140 may include a converter for converting DC-AC according to the type of power used, and may further include a voltage drop regulator for supplying a constant current of a predetermined size or a power saving circuit for power efficiency.

Next, the input unit 150 serves to receive the setting of the lighting device from the user. The input unit 150 may include a keypad or a touch pad for operating the lighting device.

Next, the communication module 160 transmits and receives data with the remote device so that a user can operate the lighting device using the remote device. As a remote device, not only a remote controller, but also a mobile phone, a tablet PC, a notebook, and the like can be used. The communication module 160 includes FM (Frequency Modulation), CDMA (Code Division Multiple Access), ISM (Industrial Scientific and Medical Equipment) band, Wi-Fi, and Infrared Data can be transmitted and received using a Ray method, an RFID (Radio Frequency Identification) method, a Zigbee (USN) method, and a Bluetooth method.

Next, the memory 170 stores data related to a program or emotional lighting necessary for the operation of the lighting apparatus. For example, the memory 170 has a driving time and period of each of a red light mode, a green light mode, a blue light mode, and a plurality of mixed light modes as sub-modes of a second mode that implements emotional lighting according to a required light distribution characteristic of an illumination device. Driving data relating to can be stored.

Next, the controller 130 is connected to each component of the lighting device to control the driving of the overall lighting device. The controller 130 loads data from the memory 170 according to the illumination mode set by the user and transmits a control signal to the main light source driver 180 and the auxiliary light source driver 190. The controller 130 emits light from the main light source unit 110 and the auxiliary light source unit 120 by varying color temperature, illumination color, and brightness according to the light distribution characteristic required.

The controller 130 further emits colored light through the first mode, which is a general lighting mode for controlling the main light source unit 110 to emit only white light, and the driving of the main light source unit 110 and the auxiliary light source unit 120. The main light source unit 110 and the auxiliary light source unit are divided into a second mode, which is a first emotional lighting mode, and a third mode, which is a second emotional light mode that emits white light and colored light by driving only the auxiliary light source unit 12. 120 may be controlled.

Specifically, in the first mode, the controller 130 controls the driving of the main light source unit 110 so as to emit white light of daylight color, day white color, and warm white color between 2000K and 6000K only by changing the color temperature. In the second mode, as described below, the controller 130 controls the driving of the auxiliary light source unit 120 to emit colored light together with the driving of the main light source unit 110.

The controller 130 simultaneously controls driving of the auxiliary light source unit 120 together with the main light source unit 110 when the second mode is set.

In this case, the controller 130 of the present invention drives the main light source unit 110 when the second mode is set, and periodically drives the auxiliary light source unit 120 for a predetermined time. That is, in the present invention, the auxiliary light source unit 120 periodically emits colored light according to the use environment or purpose while driving the main light source unit 110 to maintain white light in the room. Therefore, the present invention has the advantage that it is possible to properly maintain the brightness of the room by using white light even when implementing the emotional lighting.

In this case, the predetermined time during which the auxiliary light source unit 120 is driven in the second mode is shorter than the user's perception area. That is, even when the emotional light is implemented through the auxiliary light source unit 120, the driving time of the auxiliary light source unit 120 is very short, and thus the user cannot recognize it. Therefore, the present invention does not cause discomfort to the user even if the illumination color of the auxiliary light source unit 120 is changed several times, thereby producing a luxurious atmosphere.

On the other hand, the present invention can not recognize the light emitted from the auxiliary light source unit 120, the user is unconscious, but because it is affected by the emotional lighting as well as the composition of the atmosphere intended to have a positive effect on the emotional and cognitive activities Can give Although a person does not consciously recognize the presence or absence of the stimulus, the reaction of the body at the unconscious level is called subliminal or subliminal perception.

The predetermined time during which the auxiliary light source unit 120 is driven in this second mode is a short time of 1 second or less. Preferably, the auxiliary light source unit 120 is driven for 1/300 second at a time interval of 0.01 mili sec or less, and the driving of the auxiliary light source unit 120 is turned on / off every 5 seconds. off).

In addition, the controller 130 controls the driving of the auxiliary light source unit 120 such that a ratio of the total driving time of the auxiliary light source unit 120 to the total driving time of the main light source unit 110 is 50% or less in the second mode. . In order to implement emotional lighting, the auxiliary light source unit 120 is driven at a predetermined cycle. However, if the driving cycle of the auxiliary light source unit 120 is short, the user may recognize this, so that the ratio of the total driving time of the auxiliary light source unit 120 to the total driving time of the main light source unit 110 is 50% or less.

The controller 130 may perform dimming control so that the brightness gradually changes when the main light source unit 110 or the auxiliary light source is driven or stopped. Dimming control of the controller 130 may use a PWM or Triac method according to the driving method of the lighting device.

In addition, the present invention may include switches 181 and 191 provided between the controller 130 and the main light source unit 110 or the auxiliary light source unit 120. The first switch 181 is provided between the main light source unit 110 and the controller 130, and the second switch 191 is provided between the auxiliary light source unit 120 and the controller 130.

The controller 130 may control driving by supplying power to the main light source unit 110 through an on / off operation of the first switch 181. When the controller 130 turns on the first switch 181, power is supplied to the main light source unit 110 to drive the main light source unit 110. On the other hand, when the control unit 130 turns off the first switch 181, the power supply is cut off and the driving of the main light source unit 110 is stopped.

Similarly, the controller 130 turns on the second switch 191 to drive the auxiliary light source unit 120, or turns off the second switch 191 to drive the auxiliary light source unit 120. Can be stopped.

In this case, a switch may be provided between each of the light emitting units 121, 123, and 125 of the auxiliary light source unit 120 and the controller 130 to include a plurality of second switches 191. The controller 130 individually controls the plurality of second switches 191 to control at least one of the red light emitting unit R (121), the green light emitting unit (G) 123, and the blue light emitting unit (B) 125. The above can be selectively driven or the drive can be stopped.

2 and 3 are light source-time graphs showing a driving relationship between the main light source unit and the auxiliary light source unit according to the first embodiment of the second mode of the present invention.

As shown in FIG. 2, the controller 130 of the present invention may alternately drive the main light source unit 110 and the auxiliary light source unit 120 in the second mode. That is, the controller 130 stops driving of the main light source unit 110 in the driving section of the auxiliary light source unit 120 that is periodically driven for a predetermined time. Therefore, it is possible to prevent the colored light emitted from the auxiliary light source unit 120 from being deformed due to the white light of the main light source unit 110.

In addition, as shown in FIG. 3, the controller 130 alternately drives the auxiliary light source unit 120 and the main light source unit 110 of at least one of the auxiliary light source unit 1, the auxiliary light source unit 2, and the auxiliary light source unit 3. You can. Here, the auxiliary light source unit 1, the auxiliary light source unit 2, and the auxiliary light source unit 3 refer to any one of a plurality of light emitting units of the auxiliary light source unit 120, and each of the red light emitting unit R, the green light emitting unit G, It may be a blue light emitting unit B or a mixed light emitting unit.

For example, the controller 130 may alternately drive only the main light source unit 110 and the auxiliary light source unit 1 and stop the auxiliary light source unit 2 and the auxiliary light source unit 3 (FIG. 3A). Alternatively, the plurality of auxiliary light source units 120 and the main light source unit 110 of the auxiliary light source unit 1 and the auxiliary light source unit 2 may be driven alternately (FIG. 3B). Alternatively, both of the auxiliary light source unit 1, the auxiliary light source unit 2, and the auxiliary light source unit 3 and the main light source unit 110 can be driven alternately (FIG. 3C).

Meanwhile, as shown in FIG. 4, the controller 130 controls the brightness of the auxiliary light source unit 120 to be the same as the brightness in the driving state of the main light source unit 110. That is, since the main light source unit 110 stops driving and there is no brightness fluctuation when the auxiliary light source unit 120 is driven, a phenomenon such as flickering of the light may be prevented. In addition, there is an effect of not allowing the user to recognize whether the auxiliary light source unit 120 is driven.

5 and 6 are light source-time graphs showing a driving relationship between the main light source unit and the auxiliary light source unit according to the second embodiment of the second mode of the present invention.

As shown in FIG. 5, the controller 130 of the present invention may periodically drive the auxiliary light source unit 120 for a predetermined time while the main light source unit 110 is being driven in the second mode. Unlike the first embodiment, the auxiliary light source unit 120 is driven by overlapping with the main light source unit 110 without stopping driving of the main light source unit 110. Therefore, the lighting device has a section in which white light and colored light are simultaneously emitted.

In addition, as illustrated in FIG. 6, the controller 130 may include at least one auxiliary light source unit 120 among the auxiliary light source unit 1, the auxiliary light source unit 2, and the auxiliary light source unit 3 while the main light source unit 110 is being driven. Can be driven periodically for a predetermined time.

For example, the controller 130 may drive only the auxiliary light source unit 1 and stop the driving of the auxiliary light source unit 2 and the auxiliary light source unit 3 while maintaining the driving of the main light source unit 110 (FIG. 6A). ). Alternatively, the plurality of auxiliary light source units 120 of the auxiliary light source unit 1 and the auxiliary light source unit 2 may be driven in the driving state of the main light source unit 110 (FIG. 6B). Alternatively, the auxiliary light source unit 1, the auxiliary light source unit 2, and the auxiliary light source unit 3 may be driven periodically for a predetermined time in the driving state of the main light source unit 110 (FIG. 6C).

On the other hand, as shown in FIG. 7, the controller 130 reduces the brightness of the main light source unit 110 while the main light source unit 110 and the auxiliary light source unit 120 are both driven, and at the same time, the auxiliary light source unit ( Increase the brightness of 120). Due to the control of the controller 130, the brightness of the auxiliary light source unit 120 is greater than the brightness of the main light source unit 110. Therefore, it is possible to enhance the emotional lighting effect by the colored light emitted from the auxiliary light source unit 120, and reduce the interference of the white light emitted from the main light source unit 110.

In addition, the controller 130 may control the total brightness when the auxiliary light source unit 120 and the main light source unit 110 are driven at the same time as the brightness when the main light source unit 110 is driven alone. Accordingly, there is no change in brightness between the case where the auxiliary light source unit 120 is driven together and the case where the main light source unit 110 is driven alone, thereby preventing a phenomenon such as flickering of lighting. In addition, there is an effect of not allowing the user to recognize whether the auxiliary light source unit 120 is driven.

On the other hand, the second mode of the present invention may be divided into a plurality of sub-modes according to the light distribution characteristic required. Such a plurality of sub-modes are implemented through various mixed light emission by controlling the driving of the red LED, the green LED, and the blue LED of the auxiliary light source unit 120. For example, the red light mode may increase the appetite and produce a warm atmosphere, and the green light mode may stabilize the mind and produce a fresh atmosphere. In addition, the blue light mode creates a cool and refreshing atmosphere. In addition, the yellow light mode gives a cheerful and warm feeling, while the purple light mode creates a mysterious atmosphere.

Meanwhile, the controller 130 drives all of the red light emitting unit R, the green light emitting unit G, and the blue light emitting unit B of the auxiliary light source unit 120 when the third mode is set, and periodically red light for a predetermined time. The driving of at least one light emitting unit among the light emitting unit R, the green light emitting unit G, and the blue light emitting unit B may be stopped. That is, the third mode is a mode in which the controller 130 drives only the auxiliary light source unit 120 to implement emotional lighting.

When the controller 130 drives all of the red light emitting unit R, the green light emitting unit G, and the blue light emitting unit B in the third mode, the red light, the green light, and the blue light are simultaneously emitted to emit white light. At this time, if the driving of at least one light emitting unit among the red light emitting unit R, the green light emitting unit G, and the blue light emitting unit B is stopped for a predetermined period of time, the second light is discharged by any one of colored lights to maintain the driving. Emotional lighting can be implemented in the same manner as the mode.

In the third mode, the white light may be realized only by the auxiliary light source unit 120 without driving the main light source unit 110, and at the same time, the emotional light may be realized. Therefore, the third mode may omit the configuration of the main light source unit 110, thereby reducing the manufacturing cost.

That is, as shown in FIG. 8, the auxiliary light source unit 120 includes all of the red light emitting unit R, the green light emitting unit G, and the blue light emitting unit B on the substrate 200. In addition, as described above, the light source of the lighting apparatus of the present invention includes the auxiliary light source unit 120 including the red light emitting part R, the green light emitting part G, and the blue light emitting part B without the main light source unit 110. It can be configured by.

In this case, as shown in FIG. 9, the controller 130 drives both the red light emitting unit R, the green light emitting unit G, and the blue light emitting unit B in the third mode. In addition, the emotional light may be implemented by adjusting the brightness of at least one light emitting unit among the green light emitting unit G and the blue light emitting unit B.

For example, the controller 130 maintains the brightness of the red light emitting unit R, the green light emitting unit G, and the blue light emitting unit B equally high to emit white light, and then the brightness of the blue light emitting unit B. By reducing only, the emotional light by the mixed light of the red light emitting portion (R) and the green light emitting portion (G) is realized (Fig. 9 (a)), or the green light emitting portion (G) and blue light emitting portion (B) By reducing the brightness of the emotional light by the red light emitting portion (R) it can be implemented (Fig. 9 (b)).

On the other hand, the present invention is for the purpose of realizing only the emotional lighting, the control unit 130 is the first emotional light mode (second mode) or the auxiliary light source unit for driving the main light source unit 110 and the auxiliary light source unit 120 ( The driving of the main light source unit 110 and the auxiliary light source unit 120 may be controlled according to the second emotional lighting mode (third mode) which drives only 120.

10 is a flowchart illustrating a control method of a lighting device according to an embodiment of the present invention in order. Hereinafter, the lighting apparatus control method of the present invention will be described in order with reference to the drawings. The overlapping parts will be omitted or briefly mentioned.

First, the main light source unit 110 is driven to emit white light (S1).

Next, the auxiliary light source unit 120 is periodically driven for a predetermined time to emit red light, green light, blue light, or mixed light. (S2) The present invention drives the main light source unit 110 even when the emotional light is implemented. By periodically driving the auxiliary light source unit 120, the brightness of the room can be properly maintained through the white light. In addition, the white light is maintained to eliminate the rejection due to the emotional lighting, it is suitable for use when there are several people with various tastes in the room.

In this case, the predetermined time during which the auxiliary light source unit 120 is driven is shorter than the user's perception area. Therefore, the present invention does not cause discomfort to the user even if the illumination color of the auxiliary light source unit 120 is changed several times, thereby producing a luxurious atmosphere. Although the user cannot recognize the light emitted from the auxiliary light source unit 120, it is influenced in an unconscious state, and thus may have a positive effect on emotion and cognitive activity as well as the composition of an atmosphere intended for emotional lighting.

The predetermined time period during which the auxiliary light source unit 120 is driven is a short time of 1 second or less, and preferably a time interval of 0.01 second (10 mili sec).

In addition, the auxiliary light source unit 120 is driven such that the ratio of the total driving time of the auxiliary light source unit 120 to the total driving time of the main light source unit 110 is 50% or less. This is because the user can recognize the colored light of the auxiliary light source unit 120 when the driving cycle of the auxiliary light source unit 120 is short and the driving time of the auxiliary light source unit 120 is large.

As shown in FIG. 11, according to the first embodiment of the present invention, the auxiliary light source unit 120 is periodically driven to emit red light, green light, blue light, or mixed light by periodically driving the auxiliary light source unit 120 for a predetermined time. ) May be alternately driven with the main light source unit 110 (S2 ′). Therefore, colored light emitted from the auxiliary light source unit 120 is intended to be generated due to the white light of the main light source unit 110. It is possible to prevent one lighting characteristic from being deformed.

In this case, the brightness of the auxiliary light source unit 120 is controlled to be the same as the brightness in the driving state of the main light source unit 110. When the main light source unit 110 stops driving at the same time, there is no change in brightness when the auxiliary light source unit 120 is driven, thereby preventing a phenomenon such as flickering of lighting.

In contrast, according to the second exemplary embodiment of the present invention illustrated in FIG. 12, the main light source unit 110 may be periodically driven by driving the auxiliary light source unit 120 for a predetermined time to emit red light, green light, blue light, or mixed light. ) May drive the auxiliary light source unit 120 in a state of being driven (S2 ″), that is, unlike the first embodiment, the main light source unit 110 is not stopped without stopping driving of the main light source unit 110. The auxiliary light source unit 120 is driven in overlapping with the.

In this case, while the main light source unit 110 and the auxiliary light source unit 120 are both in operation while reducing the brightness of the main light source unit 110 and at the same time increases the brightness of the auxiliary light source unit 120, the auxiliary light source unit The brightness of the 120 is greater than the brightness of the main light source unit 110. Therefore, it is possible to enhance the emotional lighting effect by the colored light emitted from the auxiliary light source unit 120, and reduce the interference of the white light emitted from the main light source unit 110.

11 and 12, the present invention may provide a general lighting mode (first mode) and an emotional lighting mode (second mode). (S1A, S1B, S3)

In the first mode, only the main light source unit 110 is driven to emit white light. (S4) In the general illumination mode, white light of daylight color, day white color, and warm white color of 2000K to 6000K may be emitted only by changing the color temperature. In the second mode, the auxiliary light source unit 120 is driven to emit colored light together with the driving of the main light source unit 110 as described above. (S1C, S2 ', S2' ').

The foregoing description of the preferred embodiments of the present invention has been presented for purposes of illustration and various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention, And additions should be considered as falling within the scope of the following claims.

110: main light source unit 120: auxiliary light source unit
130: control unit 140:
150: input unit 160: communication module
170: memory 180: main light source driving unit
190: auxiliary light source driving unit

Claims (20)

A main light source unit emitting white light;
An auxiliary light source unit including at least one light emitting unit of a red light emitting unit, a green light emitting unit, and a blue light emitting unit; And
A control unit controlling driving of the main light source unit and the auxiliary light source unit according to a plurality of lighting modes;
The controller may be configured to operate the main light source according to one of a first mode driving only the main light source unit, a second mode driving the main light source unit and the auxiliary light source unit, and a third mode driving only the auxiliary light source unit. And an auxiliary light source unit. The method of claim 1,
And the control unit drives the main light source unit in the second mode and periodically drives the auxiliary light source unit for a predetermined time. The method of claim 1,
And the control unit controls driving of the auxiliary light source unit such that a ratio of the total driving time of the auxiliary light source unit to the total driving time of the main light source unit is 50% or less in the second mode. The method of claim 1,
And the control unit alternately drives the main light source unit and the auxiliary light source unit in the second mode. 5. The method of claim 4,
And the control unit controls the brightness of the auxiliary light source unit to be the same as the brightness in the driving state of the main light source unit in the second mode. The method of claim 1,
And the control unit drives the auxiliary light source unit while the main light source unit is being driven in the second mode. The method according to claim 6,
The controller may reduce the brightness of the main light source unit while increasing the brightness of the auxiliary light source unit while the main light source unit and the auxiliary light source unit are both driven in the second mode, thereby increasing the brightness of the auxiliary light source unit. Illuminating apparatus characterized in that the greater than the brightness of the main light source unit. The method of claim 1,
And the control unit controls the auxiliary light source unit to selectively emit red light, green light, blue light, or mixed light according to the set lower mode of the second mode. The method of claim 1,
The control unit drives all of the red light emitting unit, the green light emitting unit, and the blue light emitting unit of the auxiliary light source unit in a third mode, and periodically at least one of the red light emitting unit, the green light emitting unit, and the blue light emitting unit for a predetermined time. Lighting device characterized in that to stop the drive of the light emitting portion. A main light source unit emitting white light;
An auxiliary light source unit including at least one light emitting unit of a red light emitting unit, a green light emitting unit, and a blue light emitting unit; And
A control unit controlling driving of the main light source unit and the auxiliary light source unit according to a first emotional lighting mode for driving the main light source unit and the auxiliary light source unit or a second emotional lighting mode for driving only the auxiliary light source unit;
Illumination apparatus comprising a. 11. The method of claim 10,
The control unit drives the main light source unit in the first emotional lighting mode and periodically driving the auxiliary light source unit for a predetermined time. 11. The method of claim 10,
And the control unit alternately drives the main light source unit and the auxiliary light source unit in the first emotional lighting mode. 11. The method of claim 10,
And the control unit drives the auxiliary light source unit while the main light source unit is being driven in the first emotional lighting mode. 11. The method of claim 10,
The control unit drives all of the red light emitting unit, the green light emitting unit, and the blue light emitting unit of the auxiliary light source unit in a second emotional lighting mode, and periodically at least one of the red light emitting unit, the green light emitting unit, and the blue light emitting unit for a predetermined time. Lighting device characterized in that to stop the driving of at least one light emitting unit. Driving the main light source unit to emit white light; And
Periodically driving the auxiliary light source unit for a predetermined time to emit red light, green light, blue light or mixed light;
Control method of the lighting apparatus comprising a. The method of claim 15,
Driving the auxiliary light source unit periodically for a predetermined time to emit red light, green light, blue light or mixed light,
And controlling the auxiliary light source unit so that the ratio of the total driving time of the auxiliary light source unit to the total driving time of the main light source unit is 50% or less. The method of claim 15,
Driving the auxiliary light source unit periodically for a predetermined time to emit red light, green light, blue light or mixed light,
And the primary light source unit and the auxiliary light source unit are alternately driven. The method of claim 17,
Driving the auxiliary light source unit periodically for a predetermined time to emit red light, green light, blue light or mixed light,
And the brightness of the auxiliary light source unit is equal to the brightness of the driving state of the main light source unit. The method of claim 15,
Driving the auxiliary light source unit periodically for a predetermined time to emit red light, green light, blue light or mixed light,
And controlling the auxiliary light source unit while the main light source unit is being driven. The method of claim 19,
Driving the auxiliary light source unit periodically for a predetermined time to emit red light, green light, blue light or mixed light,
While the main light source unit and the auxiliary light source unit are both in operation while reducing the brightness of the main light source unit and at the same time increases the brightness of the auxiliary light source unit, the brightness of the auxiliary light source unit than the brightness of the main light source unit The control method of the lighting apparatus characterized in that the larger.

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