CN204696153U - Light source package, backlight module and display unit - Google Patents
Light source package, backlight module and display unit Download PDFInfo
- Publication number
- CN204696153U CN204696153U CN201520220720.9U CN201520220720U CN204696153U CN 204696153 U CN204696153 U CN 204696153U CN 201520220720 U CN201520220720 U CN 201520220720U CN 204696153 U CN204696153 U CN 204696153U
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- China
- Prior art keywords
- light source
- source package
- luminescence chip
- light
- backlight module
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- Expired - Fee Related
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- 238000004020 luminiscence type Methods 0.000 claims abstract description 47
- 210000002421 cell wall Anatomy 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 238000005538 encapsulation Methods 0.000 description 12
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
Abstract
The utility model provides a kind of light source package, backlight module and display unit, and described light source package comprises: the luminescence chip with two relative light-emitting areas, described luminescence chip is connected with pin; And, transparent encapsulating body, described transparent encapsulating body is coated on outside whole described luminescence chip, and the pin of described luminescence chip to extend out to described transparent enclosure external.This light source package can realize the dual-side emissive of luminescence chip, improves light utilization efficiency, can realize narrow frame or the Rimless design of display unit.
Description
Technical field
The utility model relates to Display Technique field, particularly relates to a kind of light source package, backlight module and display unit.
Background technology
At present, liquid crystal display (Liquid Crystal Display, hereinafter referred to as LCD) has been the main flow of flat display field.Because LCDs itself is not luminous, the function of backlight is just to provide enough brightness and the light source be evenly distributed, can normal show image.Existing backlight principal light source used is cold-cathode tube CCFL and LED.LED is as a kind of Novel backlight, compared to traditional CCFL, there is many apparent advantages: LED backlight has better colour gamut, LED internal voltage driver far below CCFL, brightness adjustment scope is large, power consumption and fail safe are all better than CCFL, it is more long and short little frivolous to add the life-span, and the characteristic such as environmental protection, safety, in recent years in show up prominently in large-sized LCD backlight, start to substitute traditional CCFL backlight gradually, become the development trend of main flow backlight.
For the backlight of LED as light source, classify from the structure of backlight, generally have side entering type and straight-down negative two kinds of structures.For side-edge type backlight, current technology is mainly: as shown in Figures 2 and 3, packaged LED encapsulation piece 5 is fixed on circuit board 6, forms a LED lamp bar, wherein, in LED lamp bar 7, the light-emitting area of each LED encapsulation piece is placed in parallel in the incidence surface of light guide plate 8.
The structural representation of LED encapsulation piece in prior art is shown in Fig. 1.As shown in Figure 1, current LED encapsulation piece comprises a support 1, and LED chip 2 is fixed on support 1 by bonded adhesives, and LED chip 2 scribbles fluorescent material 3, then is packaged on support 1 by LED chip 2 by transparent materials such as silica gel 4.The LED encapsulation piece of this structure is one-sided luminescence.But, LED chip can realize dual-side emissive on theory and design, and LED chip is very little relative to the LED volume after encapsulation before encapsulation, so, if use the LED chip luminous element do not encapsulated as light source, so not only can effectively utilize the dual-side emissive characteristic of LED, improve optical efficiency, the feature that LED chip volume is little can also be utilized, and realize the display electronic product of narrow frame or Rimless.
Therefore, display of the prior art also exists following problem: not yet have the light source utilizing LED chip double-side in backlight, and light utilization efficiency is not high; And the light source of backlight adopts LED encapsulation piece to take up room greatly in prior art, be unfavorable for the narrow frame or the Rimless design that realize display.
Utility model content
The purpose of this utility model is just to provide a kind of light source package, backlight module and display unit, and this light source package can realize the dual-side emissive of luminescence chip, improves light utilization efficiency, can realize narrow frame or the Rimless design of display unit.
Technical scheme provided by the utility model is as follows:
A kind of light source package, comprising:
There is the luminescence chip of two relative light-emitting areas, described luminescence chip is connected with pin;
And, transparent encapsulating body, described transparent encapsulating body is coated on outside whole described luminescence chip, and the pin of described luminescence chip to extend out to described transparent enclosure external.
Further, also phosphor powder layer is formed with between two light-emitting areas of described luminescence chip and described transparent encapsulating body.
Further, described transparent encapsulating body is formed by transparent silica gel.
Further, described luminescence chip is LED chip.
A kind of backlight module, comprising:
Light guide plate, has incidence surface and exiting surface;
And being arranged at the light source of incidence surface side of described light guide plate, described light source comprises the light source package as described in any one of Claims 1-4.
Further, the middle part of the incidence surface of described light guide plate is provided with a groove, and described groove comprises the first relative cell wall and the second cell wall and bottom land; Described light source package is installed in described groove, and two of described luminescence chip light-emitting areas are respectively towards described first cell wall and described second cell wall.
Further, the incidence surface of described light guide plate is relative with the exiting surface of described light guide plate.
Further, described light source also comprises a circuit board, and wherein said light source package has multiple, and multiple light source package is arranged at intervals on described circuit board, described circuit board is fixed in described groove, and region corresponding with described light source package on described circuit board is light-permeable region.
Further, described circuit board comprises a transparent panel, and multiple light source package is arranged on described transparent panel.
A kind of display unit, comprises backlight module as above.
The beneficial effects of the utility model are as follows:
Light source package provided by the utility model, can realize dual-side emissive, improves light utilization efficiency, and compared with light source package of the prior art, structure is more simple, takes up room little, can realize narrow frame or the Rimless design of display unit.
Accompanying drawing explanation
Fig. 1 represents the structural representation of LED encapsulation piece of the prior art;
Fig. 2 represents the structural representation of LED lamp bar of the prior art;
Fig. 3 represents the structural representation of backlight module of the prior art;
Fig. 4 represents the structural representation of the light source package that the utility model embodiment provides;
Fig. 5 represents the structural representation of the backlight module that the utility model embodiment provides;
Fig. 6 represents the perspective view of the light guide plate of the backlight module that the utility model embodiment provides;
Fig. 7 represents the perspective view of the backlight module that the utility model embodiment provides;
Fig. 8 represents the structural representation of the display unit that the utility model embodiment provides.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
The LED encapsulation piece adopted for backlight module in prior art only can one-sided luminescence, light utilization efficiency is low, and complex structure, take up room large, be unfavorable for the technical problem realizing the narrow frame of display or Rimless, the utility model provides a kind of light-source encapsulation glue, and it can realize the dual-side emissive of luminescence chip, improve light utilization efficiency, and narrow frame or the Rimless design of display unit can be realized.
As shown in Figure 3, light source package provided by the utility model comprises:
There is the luminescence chip 100 of two relative light-emitting areas, described luminescence chip 100 is connected with pin 101;
And transparent encapsulating body 200, described transparent encapsulating body 200 is coated on outside whole described luminescence chip 100, and the pin 101 of described luminescence chip 100 extend out to outside described transparent encapsulating body 200.
In such scheme, described luminescence chip 100 is coated with transparent encapsulating body 200, and the light that two light-emitting area sends all can the outgoing through transparent encapsulating body 200, therefore, can dual-side emissive be realized, compared with LED encapsulation piece in prior art only one-sided luminescence, improve light utilization efficiency; And structure is simple, takes up room little, be conducive to narrow frame or the Rimless design of display unit.
In light source package provided by the utility model, preferably, as shown in Figure 3, phosphor powder layer 300 is also formed with between two light-emitting areas of described luminescence chip 100 and described transparent encapsulating body 200.The light that luminescence chip 100 sends can be adjusted by arranging phosphor powder layer 300, such as: the light that luminescence chip 100 sends can be adjusted to white light etc. by phosphor powder layer 300.
In addition, in light source package provided by the utility model, preferably, described transparent encapsulating body 200 is formed by transparent silica gel.Adopt such scheme, cover fluorescent material by two light-emitting areas at luminescence chip 100, then apply silica gel and got up by fluorescent powder packaging to make and form described light source package, this structure is simple, and manufacture craft is simple, and cost is low.Should be understood that, in other embodiments of the present utility model, described transparent encapsulating body 200 also can adopt other transparent materials to be formed.
In addition, in light source package provided by the utility model, preferably, described luminescence chip 100 is LED chip.Should be understood that, in other embodiments of the present utility model, described luminescence chip 100 also can be other luminescence chip 100, such as cathode fluorescent tubes etc.
In addition, the utility model additionally provides a kind of backlight module, and as shown in the figure, described backlight module comprises:
Light guide plate 400, has incidence surface 401 and exiting surface 402;
And be arranged at the light source of incidence surface 401 side of described light guide plate 400;
Wherein said light source comprises light source package 10 provided by the utility model.
In backlight module provided by the utility model, the light source package 10 of light source can realize dual-side emissive, improves light utilization efficiency; And structure is simple, takes up room little, be conducive to narrow frame or the Rimless design of display unit.
The preferred arrangement of light source package 10 in backlight module provided by the utility model is below described:
In backlight module provided by the utility model, preferably, as shown in the figure, the middle part of the incidence surface 401 of described light guide plate 400 is provided with a groove 403, and described groove 403 comprises the first relative cell wall 4031 and the second cell wall 4032 and bottom land 4033; Described light source package 10 is installed in described groove 403, and two of described luminescence chip 100 light-emitting areas are respectively towards described first cell wall 4031 and described second cell wall 4032.
In such scheme, light source package 10 is arranged in the groove 403 of the incidence surface 401 of light guide plate 400, as shown in the figure, the light that two light-emitting areas of luminescence chip 100 send can distinguish first cell wall 4031 and second cell wall 4032 of outgoing to described groove 403, and luminous from the centre position of the incidence surface 401 of light guide plate 400 to both sides, finally from exiting surface 402 outgoing of light guide plate 400.Adopt such scheme, not only make full use of the feature of light source package 10 dual-side emissive, improve light utilization efficiency, and light source package 10 is placed in the groove 403 in light guide plate 400, structure is comparatively frivolous, compared with side entrance back module in prior art, can save LED to light guide plate 400 incidence surface 401 between no light zone distance, thus be conducive to realizing narrow frame or the Rimless design of display unit.
In backlight module provided by the utility model, preferably, as shown in the figure, the incidence surface 401 of described light guide plate 400 is relative with the exiting surface 402 of described light guide plate 400.That is, described groove 403 is arranged on the side relative with the exiting surface 402 of described light guide plate 400, and backlight module is direct-insert backlight.Such structure, is more conducive to the narrow frame or the Rimless design that realize display unit.Should be understood that, in other embodiments provided by the utility model, the incidence surface 401 of described light guide plate 400 is adjacent with the exiting surface 402 of described light guide plate 400, that is, described groove 403 is arranged on the side adjacent with the exiting surface 402 of described light guide plate 400, and described backlight module is side-edge type backlight.
It should be noted that, in backlight module provided by the utility model, the quantity of the described groove that described light guide plate is arranged can have one, also can have multiple.
In addition, in backlight module provided by the utility model, preferably, as shown in the figure, the light source of described backlight module also comprises a circuit board 20, and wherein said light source package 10 has multiple, and multiple light source package 10 is arranged at intervals on described circuit board 20, described circuit board 20 is fixed in described groove 403, and region corresponding with described light source package 10 on described circuit board 20 is light-permeable region.Adopt such scheme, luminescence chip 100 is driven by circuit board 20, and is installed in groove 403 by circuit board 20, and on circuit board 20 with the areas transparent corresponding to luminescence chip 100, to make the outgoing of luminescence chip 100 dual-side emissive to light guide plate 400.
Preferred further, described circuit board 20 comprises a transparent panel, and multiple light source package 10 is arranged on described transparent panel.Adopt such scheme, by circuit board 20 is set to transparent panel, circuit line can be laid in region outside region corresponding with luminescence chip 100 on this transparent panel, can make on circuit board 20 with the areas transparent luminescence chip 100 corresponding to luminescence chip 100, and, be connected with the circuit line on transparent panel by pin 101, to realize the object driving described luminescence chip 100.
Should be understood that, in other embodiments of the present utility model, described circuit board 20 also can be only be set to transparent or hollow in the region corresponding with luminescence chip 100, to make the outgoing of luminescence chip 100 dual-side emissive to light guide plate 400.
It should be noted that, in other embodiments of the present utility model, described circuit board 20 can be pasted transparent double adhesive tape by one side and be bonded in described groove 403.It is appreciated of course that in other embodiments of the present utility model, described circuit board 20 also can be fixed in described groove 403 by other means.
In addition, in backlight module provided by the utility model, as shown in the figure, end reflector plate 700 can also be set in the incidence surface side of light guide plate 400.
In addition, the utility model additionally provides a kind of display unit, and as shown in the figure, described display unit comprises the backlight module provided in display floater 600 and the utility model embodiment.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (10)
1. a light source package, is characterized in that, comprising:
There is the luminescence chip of two relative light-emitting areas, described luminescence chip is connected with pin;
And, transparent encapsulating body, described transparent encapsulating body is coated on outside whole described luminescence chip, and the pin of described luminescence chip to extend out to described transparent enclosure external.
2. light source package according to claim 1, is characterized in that,
Also phosphor powder layer is formed with between two light-emitting areas of described luminescence chip and described transparent encapsulating body.
3. light source package according to claim 1, is characterized in that,
Described transparent encapsulating body is formed by transparent silica gel.
4. light source package according to claim 1, is characterized in that,
Described luminescence chip is LED chip.
5. a backlight module, is characterized in that, comprising:
Light guide plate, has incidence surface and exiting surface;
And being arranged at the light source of incidence surface side of described light guide plate, described light source comprises the light source package as described in any one of Claims 1-4.
6. backlight module according to claim 5, is characterized in that,
The middle part of the incidence surface of described light guide plate is provided with a groove, and described groove comprises the first relative cell wall and the second cell wall and bottom land; Described light source package is installed in described groove, and two of described luminescence chip light-emitting areas are respectively towards described first cell wall and described second cell wall.
7. backlight module according to claim 6, is characterized in that,
The incidence surface of described light guide plate is relative with the exiting surface of described light guide plate.
8. backlight module according to claim 6, is characterized in that,
Described light source also comprises a circuit board, wherein said light source package has multiple, multiple light source package is arranged at intervals on described circuit board, and described circuit board is fixed in described groove, and region corresponding with described light source package on described circuit board is light-permeable region.
9. backlight module according to claim 8, is characterized in that,
Described circuit board comprises a transparent panel, and multiple light source package is arranged on described transparent panel.
10. a display unit, is characterized in that, comprises the backlight module as described in any one of claim 5 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520220720.9U CN204696153U (en) | 2015-04-13 | 2015-04-13 | Light source package, backlight module and display unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520220720.9U CN204696153U (en) | 2015-04-13 | 2015-04-13 | Light source package, backlight module and display unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204696153U true CN204696153U (en) | 2015-10-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520220720.9U Expired - Fee Related CN204696153U (en) | 2015-04-13 | 2015-04-13 | Light source package, backlight module and display unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204696153U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106778598A (en) * | 2016-12-12 | 2017-05-31 | 红蝶科技(深圳)有限公司 | Fingerprint recognition module with backlight |
-
2015
- 2015-04-13 CN CN201520220720.9U patent/CN204696153U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106778598A (en) * | 2016-12-12 | 2017-05-31 | 红蝶科技(深圳)有限公司 | Fingerprint recognition module with backlight |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 |