KR200451703Y1

KR200451703Y1 - Led module capable of changing color of emitted light

Info

Publication number: KR200451703Y1
Application number: KR2020080016984U
Authority: KR
Inventors: 기노철
Original assignee: 주식회사 엔씨엘이디
Priority date: 2008-12-22
Filing date: 2008-12-22
Publication date: 2011-01-06
Also published as: KR20100006809U

Abstract

The present invention can manufacture the LED module that emits light of the color desired by the user easily and quickly, which can greatly increase the economics in terms of time and cost, and greatly increase the utilization of the signboard or the lighting device as a light source. The present invention relates to an LED module for easily changing the color of the discharged light. The LED module for easily changing the color of the discharge light according to the present invention, the upper surface is formed in an open shape and the outer peripheral surface of the upper end of the case is formed with a coupling step projection, and the plurality of LEDs mounted on the inner upper of the case It includes a substrate to be mounted, and a cover for changing the color is attached to the coupling step of the case detachably coupled to one side is attached to the color sheet. Here, the LED mounted on the substrate is formed of a white LED emitting white light, and the color sheet attached to the color changing cover is selected as a color corresponding to the discharge light desired by the user. In addition, the cover for changing the color, has a longer length and U-shaped cross section than the case and the inner side is provided with engaging projections in contact with the upper and lower surfaces of the coupling step of the case, respectively, the other side of the light of the LED The light diffusion film is attached so that it can be uniformly discharged.

LED module, case, bonding step, board, LED, color change cover, color sheet, bonding protrusion, polycarbonate resin, light diffusion film

Description

LED module for easy change of color of emitted light {LED MODULE CAPABLE OF CHANGING COLOR OF EMITTED LIGHT}

The present invention relates to an LED module, and more particularly, to an LED module used as a light source installed in an advertising signboard or lighting fixture.

Fluorescent lamps are mainly used as light sources for billboards and lighting fixtures. Recently, instead of fluorescent lamps, many LEDs emit bright light as well as fluorescent lamps. It is widely applied as a light source.

The LED module, which is used as a light source of a signboard or a luminaire, includes an enclosure-shaped case having an open upper portion, a substrate mounted on the upper portion of the case and provided with a plurality of LEDs, and an epoxy liquid on the upper portion of the substrate mounted on the case. It is formed by swollen and hardened and has a structure including an epoxy molding layer to prevent the penetration of moisture or contaminants into the substrate.

In general, LEDs mounted on a board of an LED module to express colors are mostly to emit only monochromatic light of white, blue, red, green, yellow, and pink, and in some cases, various LEDs such as RGB LEDs. Although there are some colors to express, front-line signage companies or lighting equipment workers have to lose a lot of opportunity cost and time and cost in reality to purchase and install LED modules of color required by customers in a short time.

In addition, even in the case of a manufacturer of LED modules, it is difficult to produce LEDs of a desired color, and there is a problem that it is not economical to produce and sell LEDs other than LEDs emitting white, red, and blue light.

The purpose of the present invention is to produce an LED module that emits light of a user's desired color easily and quickly, so that economic efficiency can be greatly increased in terms of time and cost, and the use of a signboard or a lighting device as a light source It is to provide an LED module that can be significantly increased.

The above-described object of the present invention, the upper surface is formed in the shape of an open box, the outer peripheral surface of the upper end of the case is formed with a coupling step projection, a substrate mounted on the upper inside of the case and a plurality of LEDs mounted, the case It is achieved by providing an LED module that is easy to change the color of the discharge light comprising a cover for changing the color is fitted to the coupling step of detachably coupled to one side is attached to the color sheet.

According to a preferred feature of the present invention, the LED mounted on the substrate is formed of a white LED for emitting white light, the color sheet attached to the cover for changing the color is selected as the color corresponding to the discharge light desired by the user.

According to a preferred feature of the subject innovation, the cover for changing the color, has a longer length and U-shaped cross section than the case is provided on the inner side engaging projections in contact with the upper and lower surfaces of the coupling step of the case, respectively.

According to a preferred feature of the present invention, the color changing cover is injection molded into a transparent polycarbonate resin and the other side is attached to the light diffusion film so that the light of the LED can be uniformly discharged.

According to the LED module for easily changing the color of the discharge light according to the present invention, even if the LED for emitting white light on the substrate is applied, the user simply attaches the color sheet of the desired color to the cover for color change, and then combines the case with the user. Since the discharged light of the desired color can be discharged, the user can quickly and easily manufacture the LED module that emits the light of the desired color, and the excellent effect that can greatly increase the economic efficiency in terms of time and cost have.

In addition, the LED module having a relatively inexpensive white LED can easily produce a variety of colors of light, there is an excellent effect that can greatly increase the utilization of the signboard or light fixture as a light source.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are intended to explain in detail enough to be easily carried out by those of ordinary skill in the art. This does not mean that the technical spirit and scope of the present invention is limited.

1 is a perspective view of an LED module that is easy to change the color of the discharge light according to the present invention, Figure 2 is an exploded perspective view of the LED module is easy to change the color of the discharge light according to the present invention, Figure 3 The cross-sectional view of the LED module is easy to change the color of the discharge light according to.

LED module (1) is easy to change the color of the discharge light according to the present invention, so that the color of the discharge light can be easily changed easily so that the utilization as a light source of the signboard or lighting equipment can be greatly increased, Figure 1 As shown in Figure 3, the upper surface is formed in the open shape and the outer peripheral surface of the upper end of the case 10, the coupling step 11 is formed protruding, and is mounted on the inner upper portion of the case 10 It includes a substrate 20 on which the LED 21 is mounted, and a color changing cover 30 to be detachably coupled to the coupling step 11 of the case 10 and a color sheet 33 attached to one surface thereof. It is done by

Here, the case 10 forms the main body of the LED module 1, which is easy to change the color of the discharge light according to the present invention and at the same time the base frame for the mounting of the substrate 20 and the coupling of the cover 30 for color change To form, the substrate 20 is installed on the inner upper side and the upper surface is formed in an open shape so that the electrical wiring is accommodated in the lower portion and the upper outer peripheral surface of the detachable coupling of the color changing cover 30 Coupling step 11 for protruding.

The substrate 20 is mounted on the inner upper portion of the case 10, and the substrate 20 forms a plate for mounting the LED 21 and an electric circuit for driving the blinking of the LED 21. By being integrally wired, the LED 21 which emits light through lighting is mounted on the upper part at regular intervals.

The LED 21 mounted on the substrate 20 is preferably formed of a chip-shaped white LED that emits only white monochromatic light. White LEDs are produced in the largest amount of LEDs, which is much cheaper than other LEDs.

The color change cover 30 is fitted into the coupling step 11 of the case 10 and detachably coupled thereto, and the color change cover 30 is coupled to both sides of the coupling step 11 of the case 10. It is coupled to have a U-shaped cross section so as to cover the upper portion of the case 10 and both sides of the inner structure is provided with a coupling projection 31 in contact with the upper and lower surfaces of the coupling step 11 of the case 10, respectively Has

The color change cover 30 may also have a longer length than the case 10 so that both sides of the cover 10 may completely cover the upper part of the case 10 when the two sides of the cover 10 are fitted to the coupling step 11 of the case 10. desirable.

The color changing cover 30 may be injection molded with various synthetic resins, but injection molded with transparent polycarbonate resin.

A color sheet 33 is attached to one surface of the cover 30 for color change, and the color sheet 33 is a sheet material that is applied to signs or lights for various colors, and is mainly used for synthetic resin such as polyvinyl chloride. Pigment of various colors is added to make a light-transparent sheet of a thin thickness, one side of the adhesive is applied to be manufactured to be bonded to the object, to date, more than 80 colors can be implemented.

The color sheet 33 attached to the color changing cover 30 is selected as a color corresponding to the color of light desired to be emitted by the LED module 1 in which the user can easily change the color of the discharge light according to the present invention.

The light diffusing film 35 is attached to the other surface of the color changing cover 30 so that the light of the LED 21 can be uniformly discharged. The light diffusing film 35 has a uniform light of the LED 21 as a whole. The light diffusing resin including the light diffusing particles is coated on one surface thereof, or a predetermined light diffusing pattern similar to the diffusion prism is formed.

In some embodiments, the light diffusion resin including the light diffusion particles may be applied to the color sheet 33 itself, or a predetermined light diffusion pattern similar to the diffusion prism may be formed.

In addition, an epoxy molding layer 40 is laminated on the substrate 20 mounted on the case 10, and the epoxy molding layer 40 prevents moisture or contaminants from penetrating into the substrate 20. Do it.

Therefore, in the case of using the LED module 1, which is easy to change the color of the discharge light according to the present invention, it is not necessary to apply a special LED for emitting light of various colors on the substrate 20 to discharge only white light generally used In spite of applying the white LED, the user can simply insert the color change cover 30 having the color sheet 33 of the desired color into the coupling step 11 of the case 10, and then engage the LED module 1. ) May emit light of a color desired by the user.

In other words, in the case of the LED module 1, which is easy to change the color of the discharge light according to the present invention, a conventional LED module having a relatively inexpensive white LED through the color change cover 30 to which the color sheet 33 is attached. It is also possible to easily produce various colors of light, which can greatly increase the utilization of the billboard as a light source.

In addition, when the light diffusion film 35 is attached to the color changing cover 30, the discharge light of a desired color can be uniformly discharged through the entire surface of the color changing cover 30, and the effect is further doubled. It becomes possible.

1 is a perspective view of an LED module that is easy to change the color of the discharge light according to the present invention.

Figure 2 is an exploded perspective view of the LED module easy to change the color of the discharge light according to the present invention.

3 is a cross-sectional view of the LED module easy to change the color of the discharge light according to the present invention.

Explanation of symbols on the main parts of the drawings

1: LED module for easily changing the color of the discharge light according to the present invention

10: case

11: coupling step

20: substrate

21: LED

30: color change cover

31: engaging projection

33: color sheet

35: light diffusing film

40: epoxy molding layer

Claims

A case in which an upper surface is formed in an open enclosure shape and a coupling step is formed on the upper outer circumferential surface thereof;

A substrate mounted on an inner upper portion of the case and mounted with a plurality of LEDs; And

And a color changing cover fitted to a coupling step of the case to be detachably coupled to one side thereof and having a color sheet attached thereto.

The method according to claim 1,

The LED mounted on the substrate is formed of a white LED emitting white light, and the color sheet attached to the color changing cover is selected as a color corresponding to the discharge light desired by the user. Easy LED module.

The method according to claim 1 or 2,

The color changing cover has a longer length and a U-shaped cross section than the case, and an inner side thereof has a coupling protrusion contacting the upper and lower surfaces of the coupling step of the case, respectively. This easy LED module.

The method according to claim 3,

The color changing cover is injection molded of a transparent polycarbonate resin and the other side is characterized in that the light diffusion film is attached so that the light of the LED is uniformly discharged, LED module easy to change the color of the discharge light.