KR101070440B1 - Light Emitting Diode lamp - Google Patents

Abstract

The present invention provides a main body selectively mounted on the ceiling, a power supply unit accommodated in the main body and receiving an AC voltage from the outside to convert the DC voltage, and outputting the converted DC voltage; A first LED driver which is electrically connected to and supplied with a converted DC voltage to drive a plurality of LEDs, a front cover that contacts both ends of the body to protect the first LED driver, and a front cover of an outer portion of the body. A second LED driver mounted on an adjacent portion and electrically connected to a power supply to receive a converted DC voltage to drive a plurality of other LEDs, and side covers selectively contacting both ends of the main body and both ends of the front cover; And a second LED driver mounted on an outer portion of the main body and selectively fastened to the side cover to protect the second LED driver. It provides an LED fluorescent lamp comprising a light diffuser for converging and diffusing light emitted by the driving of.

LED fluorescent lamp, 2nd LED driver, light diffuser

Description

LED fluorescent lamp

The present invention relates to an LED fluorescent lamp.

In general, a lot of bulbs or fluorescent lights are used as indoor or outdoor lighting.

Such a light bulb or a fluorescent lamp had a short lifespan and had to be replaced frequently. In particular, a fluorescent lamp had a problem in that the illuminance gradually decreased due to deterioration over time of use.

Therefore, in recent years, development of LED fluorescent lamps having excellent controllability, fast response speed, high electro-optical conversion efficiency, long life, low power consumption and high luminance has been continuously made.

Recently, researches on LED fluorescent lamps have been continuously conducted to improve the luminous efficiency and to significantly reduce side lighting blind spots, and to bring out interior effects by indirect lighting and directing of light emitting images.

An object of the present invention is to provide an LED fluorescent lamp that can improve luminous efficiency, significantly reduce side lighting blind spots, and provide visual comfort with indirect lighting.

Another object of the present invention is to provide an LED fluorescent lamp that can emit white LEDs or full-color LEDs differently in time, and can produce lighting effects and various emission images to bring about interior effects.

In order to achieve the above object, the present invention provides a main body selectively mounted on the ceiling, a power supply unit which is accommodated inside the main body and receives an AC voltage from the outside and converts the DC voltage into a direct current voltage, A first LED driver housed therein and electrically connected to a power supply unit to receive a converted DC voltage to drive a plurality of LEDs; a front cover contacting both ends of the main body to protect the first LED driver; A second LED driver mounted on a portion adjacent to the front cover of the outer portion and electrically connected to the power supply to receive a converted DC voltage to drive a plurality of other LEDs, and optional at both ends of the main body and both ends of the front cover. A side cover which is in contact with the body, and is mounted on an outer portion of the main body and selectively fastened to the side cover And while protecting the parts converge the light emitted by the driving of the LED driving part 2 comprises a light diffusion portion for diffusing.

According to another feature of the invention, the power supply is further characterized in that the control module for selectively controlling the first LED driver and the second LED driver.

According to another feature of the invention, the first LED driver and the second LED driver comprise a full-color LED, and the control module is different in time to the full-color LED by means of programmed and stored data. The apparatus further includes timing control means for emitting light.

According to another feature of the invention, the reflective member mounted to the top of the first LED driver and the inner wall of the main body is further mounted.

According to another feature of the invention, the inclination angle formed to be inclined to the upper end of the first LED driver and the inner wall of the main body is characterized in that 5 ° to 30 °.

According to another feature of the invention, the heat sink is further mounted to at least one of the first LED driver or the second LED driver.

According to another feature of the invention, the light diffusing portion is characterized in that made of a translucent material.

According to another feature of the invention, the side cover is characterized in that it is produced by mixing any one or two or more of the opaque material or translucent material.

According to another feature of the invention, both ends of the body is made of a metal material, the side cover is characterized in that it is made of a magnetic material to selectively detachable from the body.

According to another feature of the invention, the front cover is characterized in that made of polycarbonate material.

According to another feature of the present invention, at least one of the first LED driver and the second LED driver includes a flexible board.

According to the LED fluorescent lamp of the present invention made as described above, the following effects can be obtained.

First, the luminous efficiency can be improved, the side lighting blind spot is significantly reduced, and indirect lighting can provide visual comfort.

Secondly, white LEDs or full-color LEDs may emit differently in time, so that lighting functions and various emission images may be produced, thereby bringing about an interior effect.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention.

<Examples>

1 is a cross-sectional view showing the LED fluorescent lamp according to an embodiment of the present invention, Figure 2 is a rear view showing the LED fluorescent lamp excluding the front cover and the side cover of FIG.

1 and 2, the LED fluorescent lamp 100 according to the exemplary embodiment of the present invention includes a main body 102, a power supply 104, a first LED driver 106, a front cover 108, and a second The LED driver 110, the side cover 112, the light diffuser 114, and the like are included.

The main body 102 is provided to be selectively mounted on the ceiling P, and the power supply 104 is accommodated in the main body 102 to receive an AC voltage from the outside and convert the DC voltage after converting the DC voltage. Output is provided.

Here, the main body 102 may be made of at least one of a circle, an ellipse, and a polygon, and may be installed to be partially embedded in the ceiling (P), and may be installed to be exposed to the outside of the ceiling (P).

In this case, the body 102 may be manufactured by bending a steel plate or an aluminum plate, including a metal material, and both ends of the body 102 may be manufactured by including a magnetic material.

Here, the main body 102 may include a first main body 102a, a second main body 102b, a third main body 102c, and the like.

Although not shown, the first body 102a may be provided to receive a power supply wire W for supplying power from an external outlet (not shown) to the power supply 104 to be described later.

The second body 102b may be provided to receive a power supply 104 that receives an AC voltage through a power supply wire W, converts the DC voltage, and then outputs the converted DC voltage.

The third body 102c may be provided to accommodate the first LED driver 106 that is electrically connected to the power supply 104 and is supplied with the converted DC voltage to drive the plurality of LEDs 106a.

At this time, the power supply unit 104 may include a power supply substrate 104a, a transformer 104b, an AC / DC converter 104c, a DC / DC converter 104d, and the like.

The transformer 104b may be provided on an upper portion of the power supply substrate 104a and may be provided to boost or reduce the AC voltage supplied through the power supply wire W to an appropriate AC voltage.

The AC / DC converter 104c may be provided on the power supply substrate 104a and spaced apart from the transformer 104b so as to convert an appropriate AC voltage supplied from an output terminal of the transformer 104b into a DC voltage. .

The DC / DC converter 104d is installed on the power supply substrate 104a, but is spaced apart from the transformer 104b and the AC / DC converter 104c and supplied from the output terminal of the AC / DC converter 104c. It may be provided to convert the DC voltage into an appropriate level of DC voltage corresponding to the first LED driver 106 to be described later.

The first LED driver 106 is accommodated in the main body 102 and is provided to drive the plurality of LEDs 106b by receiving a converted DC voltage electrically connected to the power supply 104.

In more detail, the first LED driver 106 may include a first LED driving substrate 106a and a plurality of LEDs 106b.

That is, the first LED driving substrate 106a and the plurality of LEDs 106b can be accommodated inside the third body 102c.

The first LED driving substrate 106a may be fastened by the power supply substrate 104a and the first fastening means 105 (105a, 105b), and electrically connected to the DC / DC converter 104d. It may be provided to receive the appropriate DC voltage converted from the output terminal of the DC converter 104d.

At this time, although not shown, the first LED driving substrate 106a is made of a flexible substrate including a flexible metal material such as aluminum to supply the power supply substrate 104a and the first fastening means 105 (105a and 105b). By selectively fastening by having a curved surface by, it is possible to adjust the luminous efficiency of the plurality of LED (106b) to be described later.

Although the plurality of LEDs 106b are mounted on the first LED driving substrate 106a and not shown, the plurality of LEDs 106b are driven by the driving of an LED driving component (not shown) mounted on the first LED driving substrate 106a. The output DC voltage of the DC / DC converter 104d may be supplied to emit light.

In this case, the plurality of LEDs 106b may include a white LED or a full-color LED.

In addition, the control module 104e may be further mounted to the power supply 104 to selectively control the plurality of LEDs 106b.

That is, the control module 104e may include a switching means 104e ₁ , a timing control means 104e ₂ , and the like.

The switching means 104e ₁ may be provided to selectively turn on a white LED or a full-color LED of the plurality of LEDs 106b, and the timing control means 104e ₂ may be programmed by the stored data. A white LED or a full-color LED may be provided to emit light differently in time.

In addition, the heat sink 107 may be fastened between the rear surface of the first LED driver 106 and the power supply 104 by the first fastening means 105 (105a, 105b).

The heat sink 107 is made of a metal material having a high thermal conductivity, and thus radiates the driving heat generated from the first LED driver 106 to the outside, thereby extending the lifespan of the plurality of LEDs 106b.

The front cover 108 is provided to contact both ends of the main body 102 to protect the first LED driver 106.

That is, the front cover 108 may be in contact with both ends of the third body 102c and protect the first LED driver 106, but may be made of a translucent polycarbonate material.

In addition, the reflective member 109 may be made of an opaque metal plate and may be further inclined to the upper end of the first LED driver 106 and the inner wall of the main body 102.

That is, it is preferable that the inclination angle Q formed to be inclined to the upper end of the first LED driver 106 and the inner wall of the third main body 102c is 5 ° to 30 °.

At this time, when the inclination angle (Q) is less than 5 ° and more than 30 °, the reflectance is lowered to cause loss of light.

Since the reflective member 109 reflects the plurality of LEDs 106b to emit more light through the front cover 108, the light loss can be reduced and the luminous efficiency can be improved.

The second LED driver 110 is mounted to a portion of the outer portion of the main body 102 adjacent to the front cover 108, and is electrically connected to the power supply 104 to receive a converted DC voltage to supply a plurality of different LEDs. It is provided to drive 110b.

In more detail, the second LED driver 110 may include a second LED driving substrate 110a and a plurality of other LEDs 110b.

That is, the second LED driving substrate 110a and the plurality of other LEDs 110b may be mounted on a portion adjacent to the front cover 108 of the outer portion of the third body 102c.

The second LED driving substrate 110a may be mounted on a portion of the outer portion of the third body 102c adjacent to the front cover 108 and electrically connected to the DC / DC converter 104d. It can be provided to receive the appropriate DC voltage converted from the output terminal of the converter (104d).

At this time, although not shown, the second LED driving substrate 110a is made of a flexible substrate including a flexible metal material such as aluminum, and the portion adjacent to the front cover 108 of the outer portion of the third body 102c. By mounting to have a curved surface, it is possible to adjust the luminous efficiency of a plurality of other LED (110b) to be described later.

Although not shown, a plurality of other LEDs 110b are mounted on the second LED driving substrate 110a, but the LED driving parts (not shown) mounted on the second LED driving substrate 110a are not shown. By the output DC voltage of the DC / DC converter 104d can be provided to emit light.

In this case, the plurality of other LEDs 110b may include a white LED or a full-color LED.

In addition, the control module 104e may be further mounted to the power supply 104 to selectively control a plurality of different LEDs 110b.

That is, the control module 104e may include a switching means 104e ₁ , a timing control means 104e ₂ , and the like.

The switching means 104e ₁ may be provided to selectively turn on a white LED or a full-color LED of the plurality of other LEDs 110b, and the timing control means 104e ₂ may be programmed to a plurality of other by means of programmed and stored data. One of the LEDs 110b may be provided to differently emit a white LED or a full-color LED in time.

The first and second LED drivers 106 and 110 are synchronized with each other by the control module 104e to selectively simultaneously select a white LED or a full-color LED among the plurality of LEDs 106b and the plurality of other LEDs 110b. It can be provided to turn on and to differently emit white or full-color LEDs of the plurality of LEDs 106b and the plurality of other LEDs 110b in time by means of programmed and stored data for visual image and interior effects. Can be provided.

In addition, although not shown, the heat sink 111 is provided between the rear surface of the second LED driver 110 and the portion of the outer portion of the third body 102c adjacent to the front cover 108 by the auxiliary fastening means (A). Can be fastened to

The heat sink 111 is made of a metal material having a high thermal conductivity, and thus radiates the driving heat generated from the second LED driver 110 to the outside, thereby extending the lifespan of the plurality of other LEDs 110b.

Side cover 112 is provided to selectively contact both ends of the body 102 and both ends of the front cover 108, the light diffusion portion 114 is mounted to the outer portion of the body 102, but the side cover 112 It is selectively fastened to) to protect the second LED driver 110, and is provided to converge and diffuse the light emitted by the driving of the second LED driver 110.

That is, the side cover 112 and the light diffusing portion 114 are made of a translucent material to selectively contact both ends of the third body 102c and both ends of the front cover 108, and second fastening means 113: 113a, 113b) are selectively fastened to each other.

However, the present invention is not limited thereto, but the side cover 112 without the second fastening means 113 is made to be selectively detachable from the third body 102c including the magnetic material, thereby maintaining the maintenance. You can also shorten the time and installation work.

Here, the side cover 112 may be made of any one of an opaque material or a translucent material in consideration of the diffusion direction of light, or may be manufactured by mixing an opaque material and a translucent material.

On the other hand, the third fastening means 116 is made of a spring bracket, one side is fixed to the second body (102b) and can be selectively fixed to the light diffusion portion 114 by the elastic action to the front cover 108 and The bearing capacity of the side cover 112 may be further improved.

As such, the LED fluorescent lamp 100 according to the embodiment of the present invention includes a first LED driver 106, a front cover 108, and a reflective member 109.

Therefore, the LED fluorescent lamp 100 according to the exemplary embodiment of the present invention emits light while the light is converged to the front cover 108 by the reflecting member 109 when the first LED driver 106 emits light, and thus emits light. It can be improved.

In addition, the LED fluorescent lamp 100 according to an embodiment of the present invention includes a second LED driver 110, a side cover 112, a light diffuser 114.

Therefore, in the LED fluorescent lamp 100 according to the embodiment of the present invention, since light is converged and diffused by the light diffuser 114 when the second LED driver 110 emits light, the side lighting blind spot is remarkably increased. It can reduce and provide visual comfort with indirect lighting.

In addition, the LED fluorescent light 100 according to an embodiment of the present invention includes a control module 104e and first and second LED drivers 106 and 110.

Accordingly, the LED fluorescent lamp 100 according to the embodiment of the present invention temporally controls the white LED or the full-color LED of the first LED driver 106 and the second LED driver 110 by the timing control means 104e ₂ . As it can emit light differently, it is possible to produce lighting effects and various emission images to bring up the interior effect.

Those skilled in the art to which the present invention pertains will understand that the present invention can be implemented in other specific forms without changing the technical spirit or essential features. Therefore, it should be understood that the above-described embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than the foregoing description, It is intended that all changes and modifications derived from the equivalent concept be included within the scope of the present invention.

1 is a cross-sectional view showing an LED fluorescent lamp according to an embodiment of the present invention.

Figure 2 is a rear view showing the LED fluorescent lamp excluding the front cover and the side cover of Figure 1;

Description of the main parts of the drawing

100: LED fluorescent lamp 102: main body

102a: first body 102b: second body

102c: third body 104: power supply

104a: power supply substrate 104b: transformer

104c: AC / DC Converter 104d: DC / DC Converter

104e: control module 104e ₁ : switching means

104e ₂ : timing control means 105: first fastening means

106: first LED driver 106a: first LED driving substrate

106b: Multiple LEDs 107, 111: Heat Sink

108: front cover 109: reflective member

110: second LED driver 110a: second LED driving substrate

110b: Multiple other LEDs 112: Side cover

113: second fastening means 114: light diffusing portion

116: third fastening means P: ceiling

W: Wire for power supply Q: Inclined angle

A: auxiliary fastening means

Claims (11)

A body selectively mounted to the ceiling; A power supply unit accommodated in the main body and receiving an AC voltage from the outside to convert the DC voltage into a DC voltage, and outputting the converted DC voltage; A first LED driver accommodated in the main body and electrically connected to the power supply unit to receive the converted DC voltage to drive a plurality of LEDs; A front cover in contact with both ends of the main body to protect the first LED driver; A second LED driver mounted on a portion of the outer portion of the main body adjacent to the front cover and electrically connected to the power supply to receive the converted DC voltage to drive a plurality of other LEDs; Side covers selectively contacting both ends of the main body and both ends of the front cover; And The LED fluorescent lamp is mounted on an outer portion of the main body, and selectively coupled to the side cover to protect the second LED driver while including a light diffuser for converging and diffusing light emitted by the driving of the second LED driver. The method of claim 1, LED power supply, characterized in that the power supply is further equipped with a control module for selectively controlling the first LED driver and the second LED driver. 3. The method of claim 2, The first LED driver and the second LED driver comprise a full-color LED; And said control module further comprises timing control means for emitting said full-color LED differently in time by means of programmed and stored data. The method according to any one of claims 1 to 3, LED fluorescent lamp further comprises a reflection member mounted inclined to the upper end of the first LED driver and the inner wall of the main body. The method of claim 4, wherein LED inclination angle formed to be inclined to the upper end of the first LED driver and the inner wall of the main body is an LED fluorescent lamp, characterized in that 5 ° to 30 °. The method according to any one of claims 1 to 3, LED fluorescent light, characterized in that the heat sink is further mounted to at least one of the first LED driver or the second LED driver. The method according to any one of claims 1 to 3, LED fluorescent light, characterized in that the light diffusion portion is made of a translucent material. The method according to any one of claims 1 to 3, The side cover is made of either an opaque material or a translucent material, LED fluorescent light, characterized in that the mixture is produced by mixing the opaque material and the translucent material. The method according to any one of claims 1 to 3, Both ends of the main body are made of a metallic material; The side cover is made of a magnetic material, LED fluorescent lamp, characterized in that the removable body and selectively. The method according to any one of claims 1 to 3, The front cover is an LED fluorescent lamp, characterized in that made of polycarbonate material. The method according to any one of claims 1 to 3, LED fluorescent light at least one of the first LED driver and the second LED driver comprises a flexible board (Flexible board).

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