CN204288713U - A kind of New LED display module - Google Patents
A kind of New LED display module Download PDFInfo
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- CN204288713U CN204288713U CN201420780509.8U CN201420780509U CN204288713U CN 204288713 U CN204288713 U CN 204288713U CN 201420780509 U CN201420780509 U CN 201420780509U CN 204288713 U CN204288713 U CN 204288713U
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- display module
- led display
- film
- light guiding
- wiring board
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Abstract
The utility model provides a kind of New LED display module, it is characterized in that, comprise wiring board, for the connection terminal of connection line plate and external drive circuit and the facial mask that is pasted onto above described wiring board, wherein said wiring board is provided with LED, described facial mask and wiring board are provided with hollow out position, described hollow out position is for installing adopting surface mounted LED digital display module, and described facial mask comprises brightness enhancement film, light guiding film and scattering film.A kind of New LED display module described in the utility model adopts the mode of pad pasting, light guiding film is utilized to substitute reflection cavity in traditional LED display module, the ultrathin of LED display module can be realized, the most I of a kind of New LED display module thickness described in the utility model reaches 2mm, owing to reducing the operation of reflection cavity die sinking and mould change, production cost and the time of product can be saved.
Description
Technical field
The utility model relates to the display module using LED as light source, particularly relates to a kind of New LED display module.
Background technology
Along with the development of LED technology, LED display screen is more and more applied in the multiple occasion such as indoor, outdoor.LED display screen is made up of multiple module, generally forms by with the circuit board of LED chip, reflection cavity and cover.The LED display module that prior art provides, structure is assembled by scattering film, reflection cavity, wiring board, LED.And this method for designing exists obvious shortcoming: 1, user's scheme determines the initial stage, the checking of display effect need be carried out die sinking to reflection cavity and make, and the cycle is longer, occupies longer time of product development; 2, when displaying scheme need change, need repair a die to reflection cavity mould or die sinking again, and the die cost changing mould and die sinking is expensive, adds product developing expense significantly.3, when displaying scheme repeatedly changing as occurred, increasing because changing mould number of times, very easily causing mould impaired.4, when client's project stops, mould need be scrapped, and loses secondary value, directly reduces the utilization factor of product development material.5, the LED under this structure disperses astigmatism needs certain spacing, limit minimizing of Total Product volume, and this does not meet the development trend of each quasi-instrument electrical equipment miniaturization.6, in production assembling, the hot pressing that is fixed as between reflection cavity and wiring board is fixed, and LED is had to the risk of stress damage.7, in production and assembly, facial mask need be affixed on reflection cavity, then be fixed by hot pressing and wiring board, operation is many, and human cost is high.8, reflection cavity material mostly is PPO or PC plastics, and volume is large, and Master Cost is high.
Therefore, the study hotspot that a kind of cost is low, volume is little LED display module becomes this area is researched and developed.
Utility model content
The purpose of this utility model is to overcome shortcoming of the prior art with not enough, provides a kind of ultrathin pad pasting formula New LED display module.
The utility model is achieved through the following technical solutions:
The utility model provides a kind of New LED display module, it is characterized in that, comprise wiring board, for the connection terminal of connection line plate and external drive circuit and the facial mask that is pasted onto above described wiring board, wherein said wiring board is provided with LED, described facial mask and wiring board are provided with hollow out position, described hollow out position is for installing adopting surface mounted LED digital display module, and described facial mask comprises brightness enhancement film, light guiding film and scattering film.
Preferably, described light guiding film is pasted onto in described brightness enhancement film, and described scattering film is pasted onto in described light guiding film.
Preferably, described LED is that chip is side-emitting led.
Preferably, described hollow out position is square, polygon or circle.
Preferably, described brightness enhancement film and light guiding film are provided with at least one opening, the position that the LED on the position of described opening arrangement and number and described wiring board arranges and number match.
Preferably, described light guiding film is provided with at least one through hole, at least one through hole described is pasted with grid.
Preferably, described scattering film comprises transmittance section and surrounds the light-blocking part of described transmittance section.
Preferably, described grid is transparent material or non-transparent material.
Preferably, the size of described opening is not less than the size of described LED.
Preferably, described light guiding film is concordant with the height of described grid, and the thickness range of described light guiding film is 0.4mm to 0.6mm.
Relative to prior art, beneficial effect of the present utility model is:
1, a kind of New LED display module described in the utility model, structure is assembled by scattering film, light guiding film, brightness enhancement film, wiring board, LED, because not needing reflection cavity and die sinking process thereof, substantially reduces the development time of product.
2, a kind of New LED display module described in the utility model, when client's displaying scheme need change, only need change corresponding light guiding film, reduce time of product development and expense.
3, a kind of New LED display module described in the utility model, when client's project repeatedly need change displaying scheme, need change corresponding light guiding film for same, alteration cost is lower.
4, a kind of New LED display module described in the utility model, light guiding film has the effect that LED bright dipping is evenly distributed, the grid between light guiding film, prevents the mutual optical crosstalk between transmittance section, the brightness enhancement film that PCB surface is posted, in order to improve display brightness.
5, a kind of New LED display module described in the utility model, the minimum thickness of light guiding film can reach 0.4mm, combined circuit board, facial mask etc., and the overall minimum thickness of this display module can reach 2mm, is conducive to the ultrathin development of product.
6, a kind of New LED display module described in the utility model, between facial mask and wiring board, is pasted by insulative glue and forms, avoid the stress that heat pressing process brings and cause LED impaired, reduce the impaired probability of LED.
7, a kind of New LED display module described in the utility model, in production technology, first can be affixed on scattering film, light guiding film, grid on same facial mask, be more directly affixed on wiring board by facial mask, not containing heat pressing process, decreases production process.
8, a kind of New LED display module described in the utility model, substitutes reflection cavity by thinner light guiding film, reduces material cost.
Accompanying drawing explanation
Fig. 1 is a kind of New LED display module sectional view of the present utility model;
Fig. 2 is a kind of New LED display module wiring board schematic diagram of the present utility model;
Fig. 3 is a kind of New LED display module brightness enhancement film schematic diagram of the present utility model;
Fig. 4 is a kind of New LED display module light guiding film schematic diagram of the present utility model;
Fig. 5 is a kind of New LED display module grid schematic diagram of the present utility model;
Fig. 6 is a kind of New LED display module scattering film schematic diagram of the present utility model.
Embodiment
For making the technical solution of the utility model clearly, below by way of specific embodiment, the utility model is described in detail.
A kind of New LED display module that the utility model provides, as shown in Figure 1, comprise wiring board 1, for the connection terminal 2 of connection line plate 1 and external drive circuit and the facial mask 3 that is pasted onto above described wiring board 1, wherein said wiring board 1 is provided with LED11, and described LED11 is sheet-shaped LED..As shown in Figure 2, described facial mask and wiring board 1 are provided with hollow out position 4, described hollow out position 4 place is for installing adopting surface mounted LED digital display module 5.
As shown in Figure 1, wherein said facial mask 3 comprises brightness enhancement film 31, light guiding film 32, scattering film 33, and wherein light guiding film 32 is pasted onto in brightness enhancement film 31, and described scattering film 33 is pasted onto in described light guiding film 32.Described light guiding film 32 is provided with at least one through hole, at least one through hole described is pasted with grid 34, the height of described grid 34 is concordant with the height of described light guiding film 32.Wherein said hollow out position is square, and in other embodiments, hollow out position also can be polygon or circle.
As Fig. 3, shown in Fig. 4, described brightness enhancement film 31 and described light guiding film 32 are provided with at least one opening 35, the position that on the position that described opening 35 is arranged and number and described wiring board, sheet-shaped LED is arranged and number match, described opening 35 size is not less than described sheet-shaped LED size, wherein, described sheet-shaped LED is side-emitting led, the light-emitting area of described sheet-shaped LED is just to described light guiding film 32, described light guiding film 32 is PC plastics or acrylic glass, its thickness range is 0.4mm-0.6mm, in the present embodiment, light guiding film is preferably PC plastics, described brightness enhancement film 31 is white or silver color, in the present embodiment, brightness enhancement film is preferably white, be used for improving display brightness.
As shown in Figure 4, Figure 5, described grid 34 is nontransparent material, and be preferably black sponge in the present embodiment, in other embodiments, grid also can be transparent material, and described grid 34 is pasted onto through hole 321 place in described light guiding film 32.
As shown in Figure 6, described scattering film 33 comprises transmittance section 331 and surrounds the light-blocking part 332 of described transmittance section, and in the present embodiment, described transmittance section is white, and described light-blocking part is black, and in other embodiments, described light-blocking part is silver color.Transmittance section on the lower surface of described scattering film 33 is brushed with the translucent white oil of one deck, and other parts outside described transmittance section are light-blocking part, realizes the transmittance section printing opacity of described scattering film 33 with this.Be provided with grid between described scattering film and described brightness enhancement film, for separating the transmittance section 331 on described scattering film 33, prevent the optical crosstalk phenomenon between described sheet-shaped LED, affecting the luminescence between each transmittance section.
In production process, first described brightness enhancement film, light guiding film, scattering film and grid insulative glue are pasted into same facial mask, described sheet-shaped LED and described connection terminal are welded on corresponding position on described wiring board, insulative glue is adopted to be pasted onto on described wiring board in type described facial mask, described facial mask and described wiring board are adopted the mode fastened with glue and are combined the stress brought by heat pressing process can be avoided to cause LED damaged phenomenon, reduce the impaired probability of LED.
A kind of New LED display module described in the utility model adopts the mode of pad pasting, light guiding film is utilized to substitute reflection cavity in traditional LED display module, the ultrathin of LED display module can be realized, the most I of a kind of New LED display module thickness described in the utility model reaches 2mm, owing to reducing the operation of reflection cavity die sinking and mould change, production cost and the time of product can be saved.
Be described in detail the utility model above, apply specific case and set forth principle of the present utility model and embodiment in literary composition, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (10)
1. a New LED display module, it is characterized in that, comprise wiring board, for the connection terminal of connection line plate and external drive circuit and the facial mask that is pasted onto above described wiring board, wherein said wiring board is provided with LED, described facial mask and wiring board are provided with hollow out position, described hollow out position is for installing adopting surface mounted LED digital display module, and described facial mask comprises brightness enhancement film, light guiding film and scattering film.
2. a kind of New LED display module according to claim 1, is characterized in that, described light guiding film is pasted onto in described brightness enhancement film, and described scattering film is pasted onto in described light guiding film.
3. a kind of New LED display module according to claim 1, is characterized in that, described LED is that chip is side-emitting led.
4. a kind of New LED display module according to claim 1, is characterized in that, described hollow out position is square, polygon or circle.
5. a kind of New LED display module according to claim 1, is characterized in that, described brightness enhancement film and light guiding film are provided with at least one opening, and the position that the LED on the position of described opening arrangement and number and described wiring board arranges and number match.
6. a kind of New LED display module according to claim 1, is characterized in that, described light guiding film is provided with at least one through hole, and at least one through hole described is pasted with grid.
7. a kind of New LED display module according to claim 1, is characterized in that, described scattering film comprises transmittance section and surrounds the light-blocking part of described transmittance section.
8. a kind of New LED display module according to claim 6, is characterized in that, described grid is transparent material or non-transparent material.
9. a kind of New LED display module according to claim 5, is characterized in that, the size of described opening is not less than the size of described LED.
10. a kind of New LED display module according to claim 6, it is characterized in that, described light guiding film is concordant with the height of described grid, and the thickness range of described light guiding film is 0.4mm to 0.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420780509.8U CN204288713U (en) | 2014-12-12 | 2014-12-12 | A kind of New LED display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420780509.8U CN204288713U (en) | 2014-12-12 | 2014-12-12 | A kind of New LED display module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204288713U true CN204288713U (en) | 2015-04-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420780509.8U Active CN204288713U (en) | 2014-12-12 | 2014-12-12 | A kind of New LED display module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204288713U (en) |
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2014
- 2014-12-12 CN CN201420780509.8U patent/CN204288713U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |