KR101939264B1 - Led bulb having mood lighting function - Google Patents

Abstract

According to the present invention, provided is an LED bulb having a mood lighting function, which comprises: a body unit (110) having a space part (111) opened downwards therein and a base (112) in an upper part thereof to receive an input power applied thereto when coupled to a socket; a power supply unit (120) converting the input power into a driving power; a first LED module (130) placed in a lower part of the body unit (110) and emitting white LED light downwards according to the driving power supplied from the power supply unit (120); a transparent cover (140) mounted on the opened lower circumstance of the body unit (110) in a shape for covering the first LED module (130) in order to disperse and transmit the white LED light; and a second LED module (150) mounted on the body unit (110) in order to emit colored LED light upwards according to the supplied driving power. The purpose of the present invention is to provide an LED bulb having a mood lighting function which can provide a lighting function for lighting a predetermined area and a mood lighting function for various atmosphere creation at the same time with one bulb.

Description

{LED BULB HAVING MOOD LIGHTING FUNCTION}

The present invention relates to an LED bulb having a mood light function, and more particularly, to an LED bulb having a mood light function capable of providing mood light for switching an indoor atmosphere in addition to illumination light for illuminating a certain area will be.

Generally, the LED bulb is an illuminating means that emits LED light while being supplied with power by being connected to a socket provided in a lamp such as a mood lamp or a stand. 1 shows a configuration of a conventional LED bulb. Referring to the drawings, a conventional LED bulb includes a spiral electrode unit 12 mounted on a socket of a luminaire, and a plurality of LED devices 10 for emitting LED light according to driving power applied thereto are mounted And a globe 15 which covers the LED element 10 and diffuses and transmits the emitted LED is mounted.

These LED bulbs have various illuminations and colors of LED light. They can be used for general illumination lamps for lighting a certain area by attaching a bulb having a high illuminance and a white color of light to a luminaire according to the purpose of use, A light bulb with a colored standard could be mounted on the luminaire and used as a mood light to produce a mild and calm atmosphere.

However, since the conventional LED bulb is manufactured in a shape having a single illuminance and color, and it is necessary to select and mount the light bulb of lightness and color matching with the use of either the illumination lamp or the mood lamp, The LED bulb can not be used for the atmosphere production, and conversely, the LED bulb for the atmosphere production can not be used as general illumination.

Japanese Laid-Open Patent Publication No. 10-2014-0005455 (Apr. 15, 2014), a heat radiation structure of an LED bulb.

The present invention has been made in order to solve the above-mentioned problems, and an object of the present invention is to provide a mood lighting function capable of simultaneously providing a mood for a variety of moods in addition to a function of illuminating a certain area with a single bulb LED bulb.

According to an aspect of the present invention, a body 110 having a base portion 112 formed therein with a downwardly opened space portion 111 formed therein and a base to which an input power is applied while being fastened to a socket; A power supply unit 120 for converting the input power into a form of a driving power source; A first LED module 130 disposed at a lower portion of the body 110 to divert white LED light downward according to driving power supplied from the power supply unit 120; A light-transmitting cover 140 mounted around an opened lower portion of the body 110 to cover the first LED module 130 and diffuse and transmit the white LED light; And a second LED module 150 for upwardly diverting the colored LED light according to a driving power supplied to the body 110. The light emitting diode (LED)

According to another aspect of the present invention, the second LED module 150 includes a second PCB 151 horizontally disposed on the body 110, and a second PCB 151 disposed on the second PCB 151 along the periphery of the body 110 And a plurality of color LED chips (152) arranged at positions spaced apart from each other at a predetermined interval and each emitting colored LED light having a monochromatic color of red (R), green (G) and blue (B) And the color LED chip 152 is disposed on the second PCB 151 so as to have a monochromatic color different from that of the adjacent color LED chip 152. The LED light bulb having the mud light function is provided.

According to another aspect of the present invention, each color LED chip 152 emits each colored LED light upward at different illumination angles, wherein each illumination area R1 to R3 where each colored LED light is incident is adjacent And the LED diodes are upwardly diverged so that a part of the LEDs are overlapped with one another.

According to another aspect of the present invention, the body 110 is formed in an annular shape with an enlarged portion 113 extending laterally along the lower circumference and having an annular enlarged surface 114 formed at the upper end thereof, And a diffusing ring part 160 inserted into the periphery of the body part 110 so that a bottom surface of the diffusing ring part 160 is seated on the extension surface 114. The diffusing ring part 160 There is provided an LED bulb having a mood light function, which is formed in an upwardly concave hemispherical shape at an opposed position to form a lens portion 161 that diffuses and transmits the colored LED light emitted upward from each color LED chip 152 .

According to another aspect of the present invention, the diffusion ring portion 160 includes a color LED chip 152, which is made of a material that blocks or blocks LED light, and is selectively disposed on a portion of the lens portion 161, And a divergent angle adjusting film (163) for adjusting the divergence angle (?) Of the LED light emitted upward from the light emitting diodes.

The color LED chip 152 and the lens portion 161 are formed on the bottom surface of the diffusion ring portion 160. The color LED chip 152 and the lens portion 161 are formed on the bottom surface of the diffusion ring portion 160. [ And an alignment groove (162) is formed at a position corresponding to the alignment protrusion (117) in a state in which the LEDs are vertically opposed to each other.

According to another aspect of the present invention, there is provided an LED bulb having a mood light function, wherein a refraction pattern is formed on the outer surface of each lens unit 161 to refract the colored LED light emitted upward.

According to another aspect of the present invention, the number of lens units 161 corresponding to a plurality of multiple colors of the LED chips 152 provided in the second LED module 150 are spaced apart from each other by a predetermined distance And each of the lens units 161 is formed with a refraction pattern sequentially different from that of the adjacent lens unit 161. FIG.

According to another aspect of the present invention, the position of the divergent angle adjusting film 163 is adjusted on the circumference of the lens part 161 according to the degree of screwing and rotating the enlargement part 113 LED light bulb having mood light function is provided.

As described above, according to the present invention, the body portion 110 having the space portion 111 opened downward is mounted on the base 112 to which the input power is applied while the body portion 110 is fastened to the socket of the luminaire, The first LED module 130 disposed at a lower portion of the body 110 downwardly diverges the white LED light according to the supplied driving power and covers the first LED module 130, The second LED module 150 mounted on the body 110 diffuses and transmits the white LED light to emit the colored LED light upward according to the supplied driving power. The second LED module 150 may be provided with a function of illuminating a certain area with white LED light emitted from the first LED module 130, Can be implemented simultaneously have.

The second LED module 150 may include a second PCB 151 disposed horizontally on the body 110 and a second PCB 151 disposed on the second PCB 151 at predetermined intervals along the circumference of the body 110 And a plurality of color LED chips 152 that emit colored LED lights each having a monochromatic color of red (R), green (G), and blue (B), and each color LED chip 152 is adjacent Arranged on the second PCB 151 so as to have different monochromatic colors from the color LED chip 152. Thus, it is possible to produce a more diverse atmosphere as compared with the LED light emitting only in the monochromatic color.

In addition, each color LED chip 152 emits the respective colored LED light upward at different irradiation angles, and each of the illumination areas R1 to R3 into which the respective colored LED light is incident overlaps a part of the adjacent illumination area It is possible to provide various colors such as yellow (Y), cyan (C) and magenta (M) mixed with each color in addition to the three colors of red (R), green Therefore, it is possible to produce more various atmosphere.

1 is a side sectional view showing a configuration of a conventional LED bulb,
FIG. 2 and FIG. 3 are a perspective view and a side sectional view showing a configuration of an LED bulb having a mood light function according to a preferred embodiment of the present invention,
FIG. 4 is a perspective view illustrating an LED bulb provided with a mood light function according to a preferred embodiment of the present invention. FIG.
FIG. 5 is a schematic view showing a state in which an illumination region of a colored LED light upwardly diverted from a second LED module according to a preferred embodiment of the present invention is partially overlapped,
FIG. 6 is a photograph of a state in which an LED bulb having a mood light function according to a preferred embodiment of the present invention is mounted on a luminaire and emits illumination light and mood light together,
FIG. 7 is an exploded perspective view showing a configuration of a diffusion ring according to a preferred embodiment of the present invention, FIG.
8 is a perspective view showing a state in which a plurality of lens units are spaced apart from each other in a diffusing ring portion according to a preferred embodiment of the present invention,
9 is a cross-sectional side view showing the structure of a divergent angle adjusting film according to a preferred embodiment of the present invention,
10 is a side cross-sectional view illustrating a configuration in which the divergence angle of the LED light is adjusted while the lens unit is rotated according to the preferred embodiment of the present invention.

The objects, features and advantages of the present invention will become more apparent from the following detailed description. Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

The LED bulb 100 provided with the mud light function according to the preferred embodiment of the present invention can simultaneously provide functions such as a mood for a variety of atmospheres in addition to a function of illuminating a certain area with a single bulb, A power supply unit 120, a first LED module 130, a light projecting cover 140, and a second LED module 150 as shown in FIGS.

First, the body 110 is a body member that forms the base of the LED bulb 100. The body 110 is formed with a space 111 opened downward. The body 110 is fastened to a socket of a luminaire, 112 are mounted. Here, as shown in FIG. 2, a through hole 118 communicating with the outside is formed around the body 110 so that the driving heat generated while the LED modules 130 and 150 inside are emitted, . In addition, the body 110 may be formed of a synthetic resin material and may improve workability through injection molding. The body 110 may be made of a metal material having high thermal conductivity such as aluminum, copper, or stainless steel, thereby enhancing the heat radiating effect.

The power supply unit 120 supplies a driving power required for the LED modules 130 and 150 to emit light. The power supply unit 120 receives input power such as a commercial power supplied to the base 112, And supplies the converted driving power to the LED modules 130 and 150. To this end, the power supply unit 120 may include circuitry such as a rectifying circuit, a transforming circuit, and a switching circuit.

The first LED module 130 is disposed at a lower portion of the body 110 and emits downward the white LED light according to the driving power supplied from the power supply unit 120 . Here, the white LED light is a white light having a color temperature used for illumination in the technical field to which the present invention belongs, preferably a white light emitting at a color temperature of 2,700K band (warm white series) to 6,500K band (cool white series) . 2 and 3, the first LED module 130 includes a first PCB 131 horizontally disposed under the body 110, and a plurality of second PCBs 131 distributed on the bottom surface of the first PCB 131 And a white LED chip 132.

A heat sink 133 is mounted in the space 111 of the body 110 so that the upper surface of the first PCB 131 is in close contact with the bottom surface of the heat sink 133. [ The first PCB 131 can be fastened to the heat sink 133 by the fastening screw 134 and can firmly hold the first PCB 131 tightly.

The light-transmissive cover 140 is a cover member for diffusing white LED light of the first LED module 130 and is mounted around the opened lower portion of the body 110 in a form covering the first LED module 130, Diffuse and transmit white LED light emitted. Here, although the transparent cover 140 is illustrated as being spherical in the drawing, the cover 140 is not limited thereto, and may have various shapes such as a flat plate, a triangular column, and a square column.

The second LED module 150 is mounted on the body 110 as a light emitting means for providing LED light for ambient illumination, and emits the colored LED light upward according to a driving power supplied thereto. 2 to 4, the second LED module 150 includes a second PCB 151 horizontally disposed on the body 110, and a second PCB 151 disposed on the second PCB 151, And a plurality of color LED chips 152 disposed at positions spaced apart from each other by a predetermined distance and emitting diverging colored LED light having one of red (R), green (G) and blue (B) , Each color LED chip 152 is arranged on the second PCB 151 so as to have a monochromatic color different from that of the adjacent color LED chip 152, so that it is possible to produce a more diverse atmosphere compared with the LED light emitting only in a monochromatic color Do.

A divergent hole 115 is formed in the body 110 at a position corresponding to each color LED chip 152 so that the colored LED light emitted upward in the body 110 is emitted to the outside And an encapsulation member 116 such as silicone is disposed in the divergence hole 115 so as to prevent foreign substances such as dust and moisture from flowing into the color LED chip 152 so as to be hermetically sealed from the outside.

In addition, each color LED chip 152 emits the respective colored LED light upward at different irradiation angles, and each of the illumination areas R1 to R3 into which the respective colored LED light is incident overlaps a part of the adjacent illumination area (Y), cyan (C), and magenta (C) mixed with respective colors in addition to the three colors of red (R), green (G), and blue (M), and the like, so that it is possible to produce a more varied atmosphere.

 As described above, the body portion 110 having the space portion 111 opened downward is mounted on the base 112 to which the input power is applied while being fastened to the socket of the luminaire, The first LED module 130 disposed below the first LED module 130 emits white LED light downward according to the supplied driving power and is mounted around the opened lower portion of the body 110 in a form covering the first LED module 130 And the second LED module 150 mounted on the body 110 spreads the colored LED light upward according to the supplied driving power, The first LED module 130 provides a function of illuminating a certain area with the white LED light emitted from the LED module 130 and also provides a function such as a mood for rendering the atmosphere with the colored LED light emitted from the second LED module 150 Effect can be realized.

Meanwhile, the LED bulb 100 according to the preferred embodiment of the present invention may further include a diffusion ring portion 160 for increasing the luminous efficiency of the colored LED light emitted from the second LED module 150. 7, the body 110 includes an enlarged portion 113 extending laterally along the lower circumference and having an annular enlarged surface 114 formed at the upper end thereof, and the diffusion ring portion 160 are formed in an annular shape and are inserted into the periphery of the body 110 and the bottom surface is seated on the enlarged surface 114.

Here, on the diffusive ring portion 160, a lens portion (not shown) which is upwardly concave and hemispherical in shape is vertically opposed to each color LED chip 152 and diffuses and transmits colored LED light upwardly emitted from each color LED chip 152 The diffusion range of the colored LED light having high straightness can be greatly increased through the lens portion 161, and mood light for directing the atmosphere can be irradiated to a wider area.

9, the diffusing ring portion 160 may include a divergent angle adjusting film 163, which is made of a material for blocking LED light or a thickness that can be blocked, and is selectively disposed on a part of the lens portion 161, The divergence angle [theta] of the LED light emitted upward from the color LED chip 152 can be controlled through the LED chip 152 to prevent the colored LED light from being provided in an unintended direction according to the design purpose of the luminaire, It is possible to significantly increase the luminous efficiency of the mood light by reflecting the colored LED light to be emitted in the intended direction. For this, a reflective member for reflecting the colored LED light incident on the surface of the divergent angle adjusting film 163 may be provided.

7, an upwardly projected alignment protrusion 117 is formed on the extension surface 114 and a color LED chip 152 and a lens section 161 are formed on the bottom surface of the diffusion ring section 160 The alignment grooves 162 are formed at positions corresponding to the alignment protrusions 117 in a vertically opposed state so that each lens section 161 is easily aligned to be positioned directly above the color LED chip 152 An alignment protrusion 117 is formed on the enlarged surface 114 and an alignment groove 162 is formed on the bottom surface of the diffusion ring portion 160. In addition, The same function can be implemented.

8, a diverging pattern for refracting the colored LED light emitted upward may be formed on the outer surface of each lens unit 161 to produce a more diverse mood light, A plurality of lens units 161 corresponding to a plurality of multiple colors of the LED chips 152 provided in the second LED module 150 are spaced apart from each other by a predetermined distance and each lens unit 161 includes adjacent lens units 161 And the diffuse patterns of the diffraction patterns are successively formed on the diffusion ring portion 160. Thus, the mood light effect by each diffraction pattern can be produced by one diffusion ring portion 160, respectively. The refractive pattern may have a plurality of triangular, circular, quadrangular, pentagonal, or other shapes, and a refractive pattern may be formed on the inner or inner surface of the lens portion 161 in addition to the outer surface.

In this case, a plurality of alignment grooves 162a and 162b are formed on the bottom surface of the diffusion ring portion 160 so that the alignment grooves 162a and 162b can be aligned for each refraction pattern. As shown in the figure, The lens portions 161 having the triangular refracting pattern formed thereon are vertically opposed to the color LED chip 152 and the second alignment groove 162b is engaged with the alignment protrusion 117. In this case, Portions 161 are provided so as to face up and down with the color LED chip 152. [

10, since the position where the divergent angle adjusting film 163 is disposed is adjusted on the circumference according to the degree of rotation of the lens unit 161 when the lens unit 161 is screwed on the enlarged portion 113, The irradiation direction of the LED light can be easily controlled. To this end, as shown in the drawing, a male thread 165 is formed along the circumference of the lens portion 161 and a female thread 164 is formed on the diffusive ring portion 160 to engage with the male thread 165 The position of the divergent angle adjusting film 163 provided in the lens unit 161 can be adjusted according to the degree of rotation of the lens unit 161.

In addition, as shown in FIG. 7, the on / off switch 121 is provided on one side of the body 110 so that the user can arbitrarily turn on / off the second LED module 150. That is, unnecessary power consumption can be reduced by turning off the second LED module 150 when mood light is not desired. Although not shown, a second ON / OFF switch for operating the ON state of the first LED module 130 may be provided so that the first LED module 130 may be turned off if the illumination light is not desired.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventions. It will be clear to those who have knowledge.

10 ... luminaire 100 ... LED bulb
110 ... body part 111 ... space part
112 ... base 113 .. extension portion
114 ... extension surface 120 ... power supply
130 ... first LED module 131 ... first PCB
132 ... white LED chip 140 ... floodlight cover
150 ... second LED module 151 ... second PCB
152 ... color LED chip 160 ... diffused ring portion
161 ... lens portion 163 ... divergent angle adjusting film

Claims (5)

A base 112 to which an input power is applied is fastened to the upper portion of the space portion 111 opened downward and is extended laterally along the lower periphery to form an annular expansion surface 114 at an upper end thereof, A body 110 having an extension 113 formed therein; A power supply unit 120 for converting the input power into a form of a driving power source; A first LED module 130 disposed at a lower portion of the body 110 to divert white LED light downward according to driving power supplied from the power supply unit 120; A light-transmitting cover 140 mounted around an opened lower portion of the body 110 to cover the first LED module 130 and diffuse and transmit the white LED light; A second LED module 150 mounted on the body 110 for upwardly emitting colored LED light according to driving power supplied thereto; And a diffusion ring part (160) formed in a ring shape and inserted in the periphery of the body part (110) and the bottom surface is seated on the expansion surface (114)
The second LED module 150 is disposed at a position spaced along the circumference of the body 110 on the second PCB 151 and the second PCB 151 horizontally disposed on the body 110, And a plurality of color LED chips (152) for emitting colored LED lights each having a monochromatic color of red (R), green (G) and blue (B)
A lens portion 161 which is upwardly concave and hemispherical in shape and vertically opposed to each color LED chip 152 on the diffusion ring portion 160 and diffuses and transmits colored LED light upwardly emitted from each color LED chip 152, LED light bulb having a mood light function
The method according to claim 1,
Wherein each color LED chip (152) is disposed on the second PCB (151) so as to have a different monochrome color from the adjacent color LED chip (152).
The method of claim 2,
Each color LED chip 152 upwardly diverges each colored LED light to a different illumination angle, wherein each of the illumination areas R1 to R3, into which the respective colored LED light is incident, Wherein the light emitting diode (LED) bulb has a mood light function.
delete The method according to claim 1,
The diffusing ring portion 160,
A diaphragm angle adjusting unit for adjusting the divergence angle of the LED light that is selectively disposed on a part of the lens unit 161 and is diverted upward from the color LED chip 152, Further comprising a membrane (163). ≪ Desc / Clms Page number 24 >

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