CN206819013U - A kind of three primary color LED backlight module - Google Patents
A kind of three primary color LED backlight module Download PDFInfo
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- CN206819013U CN206819013U CN201720354676.XU CN201720354676U CN206819013U CN 206819013 U CN206819013 U CN 206819013U CN 201720354676 U CN201720354676 U CN 201720354676U CN 206819013 U CN206819013 U CN 206819013U
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- light guide
- guide plate
- primary colours
- backlight module
- light
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Abstract
The utility model proposes a kind of three primary color LED backlight module, it is related to back lighting device technical field, including diffusion barrier, light guide plate, reflectance coating, wiring board, bound edge film, three primary colours paster LED lamp and location-plate, the diffusion barrier is covered in the light-emitting area of light guide plate, the reflectance coating is covered in the lower surface of light guide plate, the wiring board is arranged on a side of the light guide plate, the three primary colours paster LED lamp is arranged on the wiring board, remaining side of the light guide plate is arranged on the lower surface of the light guide plate covered with bound edge film, the location-plate.Three primary colours backlight source module of the present utility model can form soft, uniform area source, by the way that to red, green, blue, the control of three colors can reach the presentation of multiple color, to reach its job requirement in specific working environment.
Description
Technical field
Back lighting device technical field is the utility model is related to, especially a kind of three primary color LED backlight module.
Background technology
Liquid crystal display is more and more applied to social every field, because liquid crystal panel will not light in itself, therefore
Side light-entering type light source module group is often used as its backlight, to illuminate liquid crystal panel.The light source base of present liquid crystal display
This is all white light emitting diode (light-emitting diode, LED), and yellow fluorescent powder is added in blue chip.It is conventional
Backlight module also have its shortcoming：First, the uniformity of brightness is not good enough, second, thickness is larger (thickness is more than 4mm)；Three, color
It is single.
Utility model content
The utility model provides a kind of three primary color LED backlight module, lights uniform, multiple color is presented.
The utility model specifically adopts the following technical scheme that realization：
A kind of three primary color LED backlight module, including diffusion barrier, light guide plate, reflectance coating, wiring board, bound edge film, three primary colours patch
Piece LED and location-plate, the diffusion barrier are covered in the light-emitting area of light guide plate, and the reflectance coating is covered in the following table of light guide plate
Face, the wiring board are arranged on a side of the light guide plate, and the three primary colours paster LED lamp is arranged on the wiring board,
Remaining side of the light guide plate is arranged on the lower surface of the light guide plate covered with bound edge film, the location-plate.
Preferably, being also covered with photomask in the light-emitting area of the light guide plate, the photomask is located at the three primary colours
Paster LED lamp.
Preferably, the three primary colours paster LED lamp is RGB three primary colours paster LED lamps, the three primary colours paster LED lamp
The external 2V direct currents of feux rouges leading foot, the external 3V of green glow leading foot and blue light leading foot of the three primary colours paster LED lamp
Direct current.
Preferably, the three primary colours paster LED lamp is at least provided with one.
Preferably, the rectangular triangle in the section of the location-plate, hypotenuse is located at the lower surface of the light guide plate.
Preferably, the location-plate, at least provided with two, two location-plates are arranged on the both sides of the light guide plate.
A kind of three primary color LED backlight module provided by the utility model, its advantage are：Three primary colours backlight source module
Soft, uniform area source can be formed, by the way that to red, green, blue, the control of three colors can reach the presentation of multiple color, with up to
To its job requirement in specific working environment.
Brief description of the drawings
Fig. 1 is the front view of the utility model backlight source module；
Fig. 2 is the upward view of the utility model backlight source module；
Fig. 3 is the right view of the utility model backlight source module；
Fig. 4 is the circuit connection diagram of paster LED lamp.
In figure：1- light guide plates；2- diffusion barriers；3- reflectance coatings；4- wiring boards；5- bound edge films；6- paster LED lamps；7- is positioned
Plate；8- photomasks.
Embodiment
To further illustrate each embodiment, the utility model is provided with accompanying drawing.These accompanying drawings are in the utility model discloses
A part for appearance, it can coordinate the associated description of specification to explain the running of embodiment original mainly to illustrate embodiment
Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and this practicality are new
The advantages of type.Component in figure is not necessarily to scale, and similar element numbers are conventionally used to indicate similar component.
The utility model is further illustrated in conjunction with the drawings and specific embodiments.
As shown in Figure 1,2,3, 4, a kind of three primary color LED backlight module that this implementation provides, including light guide plate 1, diffusion barrier
2nd, reflectance coating 3, wiring board 4, bound edge film 5, three primary colours paster LED 6, location-plate 7 and photomask 8, diffusion barrier 2 are covered in light guide plate
In 1 light-emitting area, reflectance coating 3 is covered in the lower surface of light guide plate 1, and wiring board 4 is arranged on a side of light guide plate 1, three primary colours
Paster LED 6 is installed in assist side 4, and remaining side of light guide plate 1 is covered in light guide plate 1 covered with bound edge film 5, photomask 8
Light-emitting area on, and positioned at paster LED lamp 6 top.
In the present embodiment, a three primary colours paster LED 6 has been welded on wiring board 4, two are set in the lower surface of light guide plate
Individual location-plate, the rectangular triangle in section of two location-plates, hypotenuse are located at the lower surface of light guide plate.Light guide plate 1 is by poly- methyl
Methyl acrylate or makrolon material are made.Polymethyl methacrylate has the characteristics that good translucency and energy saving,
Its light transmittance is up to 93%, and printing opacity is splendid, and light is soft, dazzling, and use cost is relatively low.Makrolon water white transparency, it is resistance to
Heat, shock resistance, there is the characteristics such as good translucency.Both the above material is existing base material and can be as light guide plate 1
Material, be advantageous to raising backlight source module goes out light quality.
Operation principle of the present utility model is：Three primary colours paster LED 6 includes common pin A, feux rouges leading foot R, green glow
Leading foot G and blue light leading foot B, 2.0V, 10mA direct current are added on the feux rouges leading foot R of three primary colours paster LED 6,
The green glow leading foot G of three primary colours paster LED 6 and with blue light leading foot B plus 3.0V, 15mA direct current in power supply, make three primary colours
Paster LED lights, and LED light is in the presence of light guide plate, and LED light line is up and down, left and right luminous, by bound edge film 5 and instead
Penetrate film 3 all to reflex on light guide plate 1 light, light after abundant mixed light, by diffusion barrier 2, is formed soft in light guide plate 1
With, uniform area source, by the way that to red, green, blue, the control of three colors can reach the control of multiple color, to reach it in spy
Job requirement in fixed working environment.
Although specifically showing and describing the utility model with reference to preferred embodiment, those skilled in the art should
This is understood, is not departing from the spirit and scope of the present utility model that appended claims are limited, in form and details
On the utility model can be made a variety of changes, be the scope of protection of the utility model.
Claims (6)
1. a kind of three primary color LED backlight module, it is characterised in that including diffusion barrier, light guide plate, reflectance coating, wiring board, bound edge
Film, three primary colours paster LED lamp and location-plate, the diffusion barrier are covered in the light-emitting area of light guide plate, and the reflectance coating is covered in
The lower surface of light guide plate, the wiring board are arranged on a side of the light guide plate, and the three primary colours paster LED lamp is arranged on institute
State on wiring board, remaining side of the light guide plate is arranged on the following table of the light guide plate covered with bound edge film, the location-plate
Face.
A kind of 2. three primary color LED backlight module according to claim 1, it is characterised in that：The light-emitting area of the light guide plate
On be also covered with photomask, the photomask is located above the three primary colours paster LED lamp.
A kind of 3. three primary color LED backlight module according to claim 2, it is characterised in that：The three primary colours paster LED lamp
For RGB three primary colours paster LED lamps, the external 2V direct currents of feux rouges leading foot of the three primary colours paster LED lamp, the three primary colours patch
The external 3V direct currents of green glow leading foot and blue light leading foot of piece LED.
A kind of 4. three primary color LED backlight module according to claim 3, it is characterised in that：The three primary colours paster LED lamp
At least provided with one.
A kind of 5. three primary color LED backlight module according to claim 1, it is characterised in that：The section of the location-plate is in
Right angled triangle, hypotenuse are located at the lower surface of the light guide plate.
A kind of 6. three primary color LED backlight module according to claim 5, it is characterised in that：The location-plate at least provided with
Two, two location-plates are arranged on the both sides of the light guide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720354676.XU CN206819013U (en) | 2017-04-06 | 2017-04-06 | A kind of three primary color LED backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720354676.XU CN206819013U (en) | 2017-04-06 | 2017-04-06 | A kind of three primary color LED backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206819013U true CN206819013U (en) | 2017-12-29 |
Family
ID=60753301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720354676.XU Active CN206819013U (en) | 2017-04-06 | 2017-04-06 | A kind of three primary color LED backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206819013U (en) |
-
2017
- 2017-04-06 CN CN201720354676.XU patent/CN206819013U/en active Active
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