KR100970921B1 - LED ceiling lamp - Google Patents

LED ceiling lamp Download PDF

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Publication number
KR100970921B1
KR100970921B1 KR20080078945A KR20080078945A KR100970921B1 KR 100970921 B1 KR100970921 B1 KR 100970921B1 KR 20080078945 A KR20080078945 A KR 20080078945A KR 20080078945 A KR20080078945 A KR 20080078945A KR 100970921 B1 KR100970921 B1 KR 100970921B1
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KR
South Korea
Prior art keywords
light
light source
led
plurality
led module
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Application number
KR20080078945A
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Korean (ko)
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KR20100020244A (en
Inventor
박문화
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박문화
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Priority to KR20080078945A priority Critical patent/KR100970921B1/en
Publication of KR20100020244A publication Critical patent/KR20100020244A/en
Application granted granted Critical
Publication of KR100970921B1 publication Critical patent/KR100970921B1/en

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Abstract

The present invention relates to an LED (LED) ceiling lamp, and the body is fixedly attached to the ceiling, and the light is detachably attached to the main body so that the light source can be invisibly covered while transmitting the light illuminated from the light source mounted on the main body In the ceiling with a cover,
The light source includes a LED module in which a plurality of LEDs are arranged at a predetermined interval on the printed circuit board, and the lighting cover includes light emitted from the light emitting bodies of the plurality of LEDs arranged in the LED module. The invention is characterized in that the prism irregularities are continuously formed vertically and horizontally so as to protrude like pyramids on the inner surface so that they do not appear as a light source and are diffusely diffused through the lighting cover and diffused in a diffused state.
Ceiling light, LED module, LED, printed circuit board, multi-sided prism irregularities, reflective layer, fine irregularities, diffuser, liquid bubble

Description

LED ceiling lamp {LED ceiling lamp}

The present invention relates to an LED indoor ceiling lamp, and more particularly, the light emitted from each of a plurality of LEDs arranged at regular intervals on the printed circuit board of the LED module mounted inside the ceiling lamp spotlights on the lighting cover The present invention relates to an LED indoor ceiling lamp that is improved to illuminate the room at the same time as it appears as an evenly diffused state as a single light shines on the entire lighting cover.

In general, indoor ceiling lamps have mainly used fluorescent lamps or three-wavelength lamps, which consume less power than incandescent bulbs.In recent years, LED lamps, which consume much less power than fluorescent lamps or three-wavelength lamps, are used as a light source in order to save energy in the international high price era. Ceiling lamps have been proposed.

However, LEDs have the advantage of being able to illuminate bright light with low power, while the light emitted from the chip is straight, so the light emitted from each LED mounted inside the ceiling is illuminated. The spot light appears on the cover, and the lights that appear as spot light on the cover cover not only cause a problem of glare when people indoors look at the ceiling, but also a plurality of LEDs. Since light emitted from each light penetrates the light cover through a point light source, there is a problem of illuminating the room as if the room is illuminated by a point light source. Thus, ceiling lamps using LED as a light source have not been practically used.

The present invention has been proposed in order to solve the various problems appearing in the LED ceiling lamp as described above, the light emitted from each of the plurality of LEDs are arranged at regular intervals arranged in the LED module mounted inside the ceiling lamp point light source on the light cover By spreading the light cover evenly distributed throughout the light cover, the light can be illuminated brightly while avoiding glare when people look at the ceiling. It is an object of the present invention to provide an LED ceiling lamp with an extended service life of the LED module by allowing a plurality of LEDs formed in the LED to quickly emit heat generated during light emission by heat exchange with air.

The present invention as a means for achieving the above object,

A ceiling lamp having a main body fixedly attached to a ceiling, and a lighting cover detachably attached to the main body so that the light source can be invisibly covered while transmitting the light illuminated by the light source mounted on the main body.

The light source consists of an LED module in which a plurality of LEDs are arranged on a printed circuit board at predetermined intervals.

The lighting cover protrudes like a pyramid shape on the inner surface so that light emitted from each of the plurality of LEDs arranged in the LED module does not appear as a point light source on the lighting cover and is diffusely diffused and diffused in a diffused state throughout the lighting cover. The multi-faceted prism irregularities are continuously formed vertically and horizontally.

In addition, the printed circuit board of the LED module is characterized in that the reflective layer is formed with a fine concave-convex portion for diffusing the light diffused by the multi-facet prism concave-convex portion formed on the inner surface of the light cover to diffuse reflection again.

In addition, the outer surface of the lighting cover is formed so as to be located directly below each one of each of the plurality of LEDs arranged on the printed circuit board of the LED module mounted on the inside of the light cover to diffuse the light passing through the lighting cover A plurality of diffusion portions having concave spherical surfaces, such as concave lenses, are formed so as to be refracted.

In addition, a plurality of liquid bubbles in the form of droplets are irregularly distributed in the interior of the lighting cover so that the light passing through the multi-side prism irregularities is converged and phased again so that the light can be evenly transmitted throughout the lighting cover. It is characterized by.

In addition, both lead frames protruding from the light emitting body of each of the plurality of LEDs formed in the LED module is characterized in that it is configured to protrude to a predetermined height on the back surface of the printed circuit board.

According to the present invention, lights emitted from each of a plurality of LEDs arranged at a predetermined interval on the printed circuit board of the LED module are diffusely refracted at the same time by diffused reflection by a multi-sided prism irregularity formed continuously and horizontally on the inner surface of the lighting cover. In addition, the reflective layer of the printed circuit board diffusely reflects the light diffused by the multi-sided prism irregularities back to the lighting cover, so that the light emitted from the plurality of LEDs is uniformly diffused in the lighting cover itself. Since the light emitted from the LED does not appear as a point light source on the light cover, there is an effect to reduce the glare when the user looks at the ceiling light, and also the light emitted from each LED of the LED module light cover Evenly diffused and refracted throughout By using a plurality of LEDs, you can expect the effect of illuminating the room with a single light, such as lighting with a conventional fluorescent lamp or a three-wavelength lamp, and also prints the heat generated from each LED of the LED module It is possible to extend the service life of LED ceiling lamps by allowing them to be discharged quickly through the lead frame protruding to the back side of the board. Furthermore, it provides the advantage of saving electric energy as much as possible in the international high price era. do.

Detailed description of the LED ceiling lamp according to the present invention will be described with reference to the accompanying drawings.

1 is a partially exploded perspective view of a ceiling lamp of one embodiment for explaining the present invention, Figure 2 is a cross-sectional view of the assembled state of the ceiling lamp of one embodiment of the present invention, Figure 3 is detachable to the ceiling lamp of one embodiment of the present invention Is a perspective view of the multi-sided prism irregularities formed on the inner surface of the light cover to be attached, Figure 4 is a partial enlarged cross-sectional view of the LED module mounted on the ceiling lamp of the present invention, Figure 5 is a cross-sectional view showing the assembly state of the ceiling lamp of another embodiment of the present invention. 6 is a perspective view illustrating a diffuser formed on an outer surface of a lighting cover of another embodiment of the present invention, and FIG. 7 is an enlarged cross-sectional view of the lighting cover of another embodiment of the present invention.

Reference numeral 1 denotes a ceiling lamp, and the ceiling lamp 1 includes a main body 2 fixedly attached to a ceiling of a building, and a lighting cover 3 detachably assembled to the main body 2. The main body 2 includes a power supply 21 and a connector socket 22, respectively.

Features of the present invention, the light source of the ceiling light (1) is composed of a plurality of LEDs (5) formed at a predetermined interval on the LED module 4, and also the light emitted from each of the plurality of LEDs (5) They do not appear as spot light on the lighting cover 3, but are refracted and transmitted in an evenly diffused state throughout the lighting cover 3 so that the room can be brightly and evenly illuminated.

To this end, the LED module 4 is composed of a plurality of LEDs (5) and a printed circuit board 6 they are arranged at a predetermined interval, the inner surface of the lighting cover (3) the LED module (4) Light emitted from each of the plurality of LEDs 5) does not appear as a point light source, and light emitted from each of the plurality of LEDs 5 diffuses through the entire inner surface of the lighting cover 3 as if it is illuminated by a single light. Multifaceted prism irregularities 7 are formed so as to protrude continuously in the vertical and horizontal directions to enable illumination in a transmissive state.

The LED module 4 is attached to the inside of the lighting cover 3 by a bolt that is assembled to the main body 2 by penetrating through the printed circuit board 6, and of the lighting cover 3. The multi-sided prism concave-convex portions 7 formed on the inner surface of the light cover facing the plurality of LEDs (5) by reflecting the light emitted from each of the plurality of LEDs (5) by diffuse reflection and simultaneously refracting transmission ( 3) It is formed as an inclined cross section of at least three or more surfaces protruding toward a sharp vertex, such as a pyramid, in order to be able to exit with the same brightness of light throughout.

In addition, the reflective layer 8 reflecting back to the prism irregularities 7 again reflects the reflection light diffused by the multiple prism irregularities 7 on the surface of the printed circuit board 6 of the LED module 4 again. Is formed, and the fine concavo-convex portion 81 that irregularly diffuses the incident light is formed on the reflective surface of the reflective layer 8.

In addition, a plurality of diffusers 9 formed in a concave spherical shape, such as a concave lens, are formed on an outer surface of the illumination cover 3 so as to diffuse the light refracted by each of the multi-sided prism irregularities 7 on the inner surface. The diffusion unit 9 is formed in the same number as the LEDs 5 so as to be positioned directly under each of the plurality of LEDs 5 formed at predetermined intervals in the LED module 4, and the plurality of Each of the diffusions 9 in is configured to be adjacent to each other, or is not shown in the drawings, but the plurality of diffusions 9 may be irregularly formed.

In addition, each of the plurality of LEDs 5 emitting light from the inside of the lighting cover 3 is directly refracted by the multi-faceted prism irregularities 7 or diffusely reflected by the fine irregularities 81 of the reflective layer 8 again. In order to allow the light refracted by the multi-faceted prism uneven portion 7 to be refracted once more, that is, between the inner and outer surfaces of the inner surface of the lighting cover 3, that is, the multi-sided prism uneven portion 7 and the diffuser 9 are formed. Inside the plurality of liquid bubbles 31 in the form of droplets are distributed irregularly.

In addition, both side lead frames 52 and 53 exposed from the light emitting bodies 51 of the plurality of LEDs 5 arranged at predetermined intervals on the LED module 4 are formed on the printed circuit board 6. It is configured to penetrate through the connection hole therein to protrude from the rear surface of the printed circuit board 6 to a predetermined height (about 3 to 6 mm), and to distribute the air in the room to the main body 2 of the ceiling lamp 1. The vent 23 is formed. Therefore, the heat generated from the light emitting chip (not shown) mounted on the light emitting body 51 of each of the LEDs 5 is formed on both side lead frames 52 and 53 protruding upward from the rear surface of the printed circuit board 6. By being conducted to and is quickly discharged to the outside through a heat exchange action with the air flowing into the body 2 through the vent (23).

The operation of the present invention configured as described above will be described.

When the ceiling lamp 1 is turned on, a plurality of LEDs 5 arranged on the printed circuit board 6 of the LED module 4 at regular intervals are turned on at the same time. Each of the illumination cover 3 is illuminated by a point light source at positions spaced apart from each other, wherein the multi-sided prism irregularities 7 formed on the inner surface of the illumination cover 3 are formed on each of the plurality of LEDs 5. The light emitted by the light source is refracted and diffusely reflected, and the light incident on the reflective layer 8 formed on the surface of the printed circuit board 6 by being diffusely reflected by the multi-sided prism irregularities 7 is again reflected by the reflective layer 8. If it is diffusely reflected from the fine concave-convex portion 81 formed in the c), the incident light incident on the prism concave-convex portion 7 will occur repeatedly. Accordingly, the lights emitted from each of the plurality of LEDs 5 as the point light source are Faceted prism Since the incident light is refracted through the entire multi-faceted prism irregularities 7 by the diffuse reflection of each of the concave and convex portions 81 of the convex portion 7 and the reflective layer 8, a point light source is formed on the outer surface of the illumination cover 3. It does not appear, and the entire exterior is illuminated with the same brightness.

In addition, the concave lens-type diffuser 9 formed in a state in which neighboring ones are connected to each other on the outer surface of the lighting cover 3 is diffused into the multi-sided prism irregularities 7 on the inner surface and diffuses light emitted while being refracted. Since the lighting cover 3 itself is a light emitted from the plurality of LEDs (5) as a point light source is to appear as a single light to illuminate, and furthermore a drop shape inside the lighting cover (3) If the plurality of liquid bubbles 31 are irregularly distributed to bend and reflect the light incident from the prism concave-convex portion 7, no trace of the point light source can be found on the outer surface of the lighting cover 3. The lighting cover 3 as a whole is to be able to illuminate the room with a uniform brightness.

On the other hand, the heat generated from the light emitting chip embedded in the light emitting body 51 of each of the plurality of LEDs 5 arranged at a predetermined interval on the printed circuit board 6 of the LED module 4 is the printed circuit board 6 ) Is moved to both side lead frames 52 and 53 protruding upward a predetermined height from the back of the back surface, and the heat moved to both side lead frames 52 and 53 is thus formed through the vents 23 formed in the main body 2. Since it is emitted into the air by the heat exchange action with the air flowing into the main body 2 through the plurality of LEDs (5) are not harmed even when the ceiling lamp (1) is turned on for a long time, each LED (5) ) Can extend the service life.

1 is a partially exploded perspective view of a ceiling lamp of one embodiment for explaining the present invention.

Figure 2 is a cross-sectional view of the assembled ceiling lamp of one embodiment of the present invention.

Figure 3 is a perspective view of a multi-sided prism irregularities formed on the inner surface of the lighting cover detachably attached to the ceiling lamp of one embodiment of the present invention.

Figure 4 is an enlarged cross-sectional view of a part of the LED module mounted on the ceiling lamp of the present invention.

Figure 5 is a cross-sectional view showing an assembled state of the ceiling lamp of another embodiment of the present invention.

Figure 6 is a perspective view for showing a diffuser formed on the outer surface of the lighting cover of another embodiment of the present invention.

Figure 7 is an enlarged cross-sectional view of the lighting cover of another embodiment of the present invention.

[Description of Drawings]

1: ceiling lamp 2: body

23: vent 3: light cover

31: liquid bubble 4: LED module

5: LED 51: light emitting body

52,53: lead frame 6: printed circuit board

7: multi-sided prism irregularities 8: reflection layer

81: minute uneven portion 9: diffusion portion

Claims (5)

  1. delete
  2. delete
  3. delete
  4. delete
  5. A main body fixedly attached to the ceiling, and a lighting cover detachably attached to the main body so as to cover the light source while being invisible while transmitting the light illuminated by the light source mounted on the main body,
    The light source is composed of an LED module in which a plurality of LEDs are arranged at a predetermined interval on a printed circuit board,
    The lighting cover has a pyramid shape on its inner surface so that the light emitted from the light emitting bodies of each of the plurality of LEDs arranged in the LED module does not appear as a point light source on the lighting cover and is diffusely diffused in a diffused state evenly diffused throughout the lighting cover. In the LED ceiling lamp with a multi-sided prism irregularities protruding vertically and vertically,
    The LED module is provided on the rear surface of the printed circuit board so that both side lead frames protruding from the light emitting bodies of the plurality of LEDs arranged at a predetermined interval on the printed circuit board may emit heat by heat exchange with the internal air of the main body. LED ceiling lamp, characterized in that configured to protrude to a predetermined height.
KR20080078945A 2008-08-12 2008-08-12 LED ceiling lamp KR100970921B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR20080078945A KR100970921B1 (en) 2008-08-12 2008-08-12 LED ceiling lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20080078945A KR100970921B1 (en) 2008-08-12 2008-08-12 LED ceiling lamp

Publications (2)

Publication Number Publication Date
KR20100020244A KR20100020244A (en) 2010-02-22
KR100970921B1 true KR100970921B1 (en) 2010-07-20

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KR20080078945A KR100970921B1 (en) 2008-08-12 2008-08-12 LED ceiling lamp

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200477412Y1 (en) * 2013-11-26 2015-06-09 홍긴표 Light transmitting cover for LED lamp with light diffusion
KR101537168B1 (en) * 2013-11-21 2015-07-15 박승군 Illuminating cover for led lamp and led lamp comprising the same
KR20160150396A (en) 2015-06-22 2016-12-30 주식회사 에이티라이팅 Led ceiling lamp

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103874883A (en) 2011-10-11 2014-06-18 普司科Led股份有限公司 Optical semiconductor lighting device
KR101177470B1 (en) 2012-03-19 2012-08-24 엘지전자 주식회사 Lighting apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0619205U (en) * 1992-08-21 1994-03-11 日野自動車工業株式会社 The vehicle lamp
KR20030001179A (en) * 2001-06-28 2003-01-06 주식회사 하이닉스반도체 Method for forming isolation layer in semiconductor device
KR200301179Y1 (en) * 2002-10-14 2003-01-15 김재성 An illuminator diffused light using layer of infinitesimal air bubble
JP2004303614A (en) * 2003-03-31 2004-10-28 San Kiden:Kk Fluorescent lamp type led lamp
KR20060021779A (en) * 2004-09-04 2006-03-08 이재천 Lighting equipment composed with light divided cover panel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0619205U (en) * 1992-08-21 1994-03-11 日野自動車工業株式会社 The vehicle lamp
KR20030001179A (en) * 2001-06-28 2003-01-06 주식회사 하이닉스반도체 Method for forming isolation layer in semiconductor device
KR200301179Y1 (en) * 2002-10-14 2003-01-15 김재성 An illuminator diffused light using layer of infinitesimal air bubble
JP2004303614A (en) * 2003-03-31 2004-10-28 San Kiden:Kk Fluorescent lamp type led lamp
KR20060021779A (en) * 2004-09-04 2006-03-08 이재천 Lighting equipment composed with light divided cover panel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101537168B1 (en) * 2013-11-21 2015-07-15 박승군 Illuminating cover for led lamp and led lamp comprising the same
KR200477412Y1 (en) * 2013-11-26 2015-06-09 홍긴표 Light transmitting cover for LED lamp with light diffusion
KR20160150396A (en) 2015-06-22 2016-12-30 주식회사 에이티라이팅 Led ceiling lamp

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