CN207438173U - A kind of direct-type backlight LED lamp bead - Google Patents
A kind of direct-type backlight LED lamp bead Download PDFInfo
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- CN207438173U CN207438173U CN201721384807.5U CN201721384807U CN207438173U CN 207438173 U CN207438173 U CN 207438173U CN 201721384807 U CN201721384807 U CN 201721384807U CN 207438173 U CN207438173 U CN 207438173U
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- concave surface
- led lamp
- lamp bead
- reflector layer
- light
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Abstract
The utility model discloses a kind of direct-type backlight LED lamp beads, including stent, the stent is equipped with concave surface, LED chip is equipped in the concave surface, the corresponding concave surface is equipped with reflector layer, and poroid light-emitting surface is equipped among the reflector layer, and the poroid luminous face diameter is wide wide less than the concave surface footpath, the reflector layer footpath is wider than that the concave surface footpath is wide, and the LED chip area is more than the area that the poroid light-emitting surface can accommodate.The utility model can meet the requirement of LED lamp bead high brightness, while can also realize the light-emitting surface smaller of LED lamp bead, so that the brightness of single backlight and light emitting angle can be improved, to meet brighter and thinner development need.
Description
Technical field
The utility model is related to LED component technical fields, are specifically a kind of direct-type backlight LED lamp bead.
Background technology
LED lamp bead is widely used in the different fields such as illumination, backlight at present.In direct-type backlight application, LED lamp bead
Backlight is formed with lens.Since liquid crystal display develops and cost consideration towards ultra-thin superbright direction, it is desirable that single backlight is bright
Spend higher and higher, light emitting angle is increasing.
Back light source brightness depends on LED lamp bead, and LED lamp bead brightness is determined substantially by LED chip size, and LED chip is got over
Greatly, LED lamp bead brightness is higher, and back light source brightness is higher；Backlight light emitting angle depends primarily upon lens, for lens
The smaller closer point light source of LED lamp bead light-emitting surface, lens can more do light emitting angle greatly, i.e. LED lamp bead light-emitting surface is smaller, the back of the body
Light source luminescent angle can be bigger.
For at present, brightness requirement and light emitting angle requirement can not get both simultaneously；If LED chip is big, brightness is high, but needs
LED chip can be smoothly put into LED support by the enough great talents of light-emitting surface of LED support, be may result in light emitting angle and done less；If
LED support light-emitting surface is small, and light emitting angle can be done greatly, but can not be put into big LED chip, and brightness can not be promoted.
Utility model content
To solve the deficiency in the prior art, the utility model provides a kind of direct-type backlight LED lamp bead, can meet
The requirement of LED lamp bead high brightness, while can also realize the light-emitting surface smaller of LED lamp bead, so that the brightness of single backlight
And light emitting angle can be improved, to meet brighter and thinner development need.
To solve the above problems, the utility model provides a kind of direct-type backlight LED lamp bead, including stent, the stent
Concave surface is equipped with, LED chip is equipped in the concave surface, the corresponding concave surface is equipped with reflector layer, hole is equipped among the reflector layer
Shape light-emitting surface, the poroid luminous face diameter is wide to be less than that the concave surface footpath is wide, and it is wide that the reflector layer footpath is wider than the concave surface footpath, institute
It states LED chip area and is more than the area that the poroid light-emitting surface can accommodate.
Preferably, the side of the concave surface is obliquely installed, the side bottom footpath of the concave surface is wide wide less than top footpath.
Preferably, the top view of the concave surface is regular polygon
Preferably, the concave surface is rounding bench-type.
Preferably, being provided with the first glue-line in the concave surface, the LED chip is encapsulated in institute by first glue-line
It states in concave surface.
Preferably, it is provided with the second glue-line in the poroid light-emitting surface.
Preferably, the reflector layer is arranged in the concave surface, the LED chip is encapsulated in described reflective by glue-line
In the poroid light-emitting surface of layer.
Preferably, the reflector layer is arranged on above the concave surface, corresponding to the poroid light-emitting surface in the concave surface sets
There is the second reflector layer.
Preferably, the poroid light-emitting surface is set to regular polygon, second reflector layer corresponds to the poroid light-emitting surface
It opens up side number and is set to several reflecting strips.
Preferably, the poroid light-emitting surface is set to circular, second reflector layer corresponds to the poroid light-emitting surface and is set to
It is circular.
Using above-mentioned preferred embodiment, compared with prior art, the utility model has the following advantages：1st, LED chip is no longer
It is limited by the size of reflector layer light-emitting surface, small reflector layer light-emitting surface can be put into big LED chip by stent concave surface, can be with
The brightness of LED lamp bead is effectively promoted, and integrally structure is simple and easy to implement, it is good in economic efficiency；2nd, LED lamp bead is effectively luminous
Face can be adjusted according to actual needs, so as to farthest make LED lamp bead that it is saturating to be conducive to collocation close to point light source
Mirror reaches maximum light emitting angle；3rd, big LED chip is fixedly installed in big luminous surface support, reflector layer is then set to reduce and is shone
Face realizes that small light-emitting surface places large chip, by the way that reflector layer is set to realize small rim of a cup, technology after big luminous surface support die bond
It is easy to implement, it can realize that small light-emitting surface places large chip, it can be with optimized emission angle, so as to pursue more while promoting brightness
Thin thickness.
Description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1：One schematic cross-sectional view of the utility model embodiment；
Fig. 2：Two schematic cross-sectional view of the utility model embodiment；
Fig. 3：Direct-type backlight LED lamp bead overlooking the structure diagram；
Wherein：100th, stent, 200, LED chip, the 300, first glue-line, 400, connecting line, 500, reflector layer, 600, second
Glue-line, 700 second reflector layers.
Specific embodiment
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
Embodiment is selected to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment one：
A kind of direct-type backlight LED lamp bead as depicted, including stent 100, the stent 100 is equipped with concave surface, institute
It states and LED chip 200 is equipped in concave surface, the corresponding concave surface is equipped with reflector layer 500, and poroid hair is equipped among the reflector layer 500
Smooth surface, the poroid luminous face diameter is wide to be less than that the concave surface footpath is wide, and it is wide that 500 footpath of reflector layer is wider than the concave surface footpath, institute
It states 200 area of LED chip and is more than the area that the poroid light-emitting surface can accommodate.
The side of the concave surface is obliquely installed, and the wide top footpath that is less than in the side bottom footpath of the concave surface is wide, the concave surface
Top view may be selected to be arranged to regular polygon, and the concave surface may be alternatively provided as rounding bench-type.
The first glue-line 300 is provided in the concave surface, the LED chip 200 is encapsulated in institute by first glue-line 300
It states in concave surface, the second glue-line 600 is provided in the poroid light-emitting surface.
The reflector layer 500 is alternatively positioned in above the concave surface, and corresponding to the poroid light-emitting surface in the concave surface sets
There is the second reflector layer 700, the poroid light-emitting surface may be configured as regular polygon, and second reflector layer 700 corresponds to described poroid
Light-emitting surface opens up side number and is set to several reflecting strips, installs reflecting strips in concave surface according to actual needs, since reflecting strips can be set
For strip object so that the installing selection of reflecting strips is more flexible.
The direct-type backlight LED lamp bead of the present embodiment, LED chip 200 is fixed on LED support 100, and passes through connecting line
400 are electrically connected with stent 100, and LED chip 200 is encapsulated in LED support 100 by the first glue-line 300, reflector layer 500
100 surface of stent is coated or is pasted onto, the second glue-line 600 is filled in effective light-emitting surface of the formation of reflector layer 500.
Embodiment two：
The part identical with embodiment one does not repeat, and reflector layer 500 described in the present embodiment is alternatively positioned in described
In concave surface, the LED chip 200 is encapsulated in by the second glue-line 600 in the 500 poroid light-emitting surface of reflector layer.
LED chip 200 is set to be fixed on stent 100, and passes through connecting line 400 and is electrically connected with stent 100；Instead
Photosphere, which is filled in stent 100, forms effective light-emitting surface；The poroid light-emitting surface can also be set to circular, and the reflector layer 500 is right
The poroid light-emitting surface is answered to be set to circular, circular reflector layer 500 to be more convenient to be arranged to an entirety, to reflector layer 500
Installation and remove it is all more convenient.
The advantages of the utility model：1st, LED chip is no longer limited by the size of reflector layer light-emitting surface, and small reflector layer shines
Face can be put into big LED chip by stent concave surface, can effectively promote the brightness of LED lamp bead, and the letter of whole structure
It is single easily to realize, it is good in economic efficiency；2nd, effective light-emitting surface of LED lamp bead can be adjusted according to actual needs, so as to most
Big degree LED lamp bead is made to be conducive to the light emitting angle that lens reach maximum of arranging in pairs or groups close to point light source；3rd, in big luminous surface support
Big LED chip is fixedly installed, then reflector layer is set to reduce light-emitting surface, realizes that small light-emitting surface places large chip, big light-emitting surface branch
By the way that reflector layer is set to realize small rim of a cup after frame die bond, technology is easy to implement, can realize that small light-emitting surface places large chip,
It can be with optimized emission angle, so as to pursue thinner thickness while promoting brightness.
The above descriptions are merely preferred embodiments of the present invention, and not the utility model is made in any form
Limitation, it is therefore every without departing from the content of the technical scheme of the utility model, according to the technical essence of the utility model to implementing above
Example any modification, equivalent variations and the modification made, in the range of still falling within technical solutions of the utility model.
Claims (10)
1. a kind of direct-type backlight LED lamp bead, including stent, which is characterized in that the stent is equipped with concave surface, in the concave surface
Equipped with LED chip, the corresponding concave surface is equipped with reflector layer, and poroid light-emitting surface is equipped among the reflector layer, described poroid luminous
Face diameter is wide to be less than that the concave surface footpath is wide, and it is wide that the reflector layer footpath is wider than the concave surface footpath, and the LED chip area is more than described
The area that poroid light-emitting surface can accommodate.
2. a kind of direct-type backlight LED lamp bead according to claim 1, which is characterized in that the side of the concave surface tilts
It sets, the side bottom footpath of the concave surface is wide wide less than top footpath.
3. a kind of direct-type backlight LED lamp bead according to claim 2, which is characterized in that the top view of the concave surface is
Regular polygon.
4. a kind of direct-type backlight LED lamp bead according to claim 2, which is characterized in that the concave surface is rounding bench-type.
5. a kind of direct-type backlight LED lamp bead according to claim 1, which is characterized in that is provided in the concave surface
One glue-line, the LED chip are encapsulated in by first glue-line in the concave surface.
6. a kind of direct-type backlight LED lamp bead according to claim 1, which is characterized in that set in the poroid light-emitting surface
It is equipped with the second glue-line.
7. a kind of direct-type backlight LED lamp bead according to claim 1, which is characterized in that the reflector layer is arranged on institute
It states in concave surface, the LED chip is encapsulated in by glue-line in the poroid light-emitting surface of the reflector layer.
8. a kind of direct-type backlight LED lamp bead according to claim 1, which is characterized in that the reflector layer is arranged on institute
It states above concave surface, the poroid light-emitting surface is corresponded in the concave surface equipped with the second reflector layer.
9. a kind of direct-type backlight LED lamp bead according to claim 8, which is characterized in that the poroid light-emitting surface is set to
Regular polygon, second reflector layer, which corresponds to the poroid light-emitting surface and opens up side number, is set to several reflecting strips.
10. a kind of direct-type backlight LED lamp bead according to claim 8, which is characterized in that the poroid light-emitting surface is set to
Circle, second reflector layer correspond to the poroid light-emitting surface and are set to circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721384807.5U CN207438173U (en) | 2017-10-25 | 2017-10-25 | A kind of direct-type backlight LED lamp bead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721384807.5U CN207438173U (en) | 2017-10-25 | 2017-10-25 | A kind of direct-type backlight LED lamp bead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207438173U true CN207438173U (en) | 2018-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721384807.5U Active CN207438173U (en) | 2017-10-25 | 2017-10-25 | A kind of direct-type backlight LED lamp bead |
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| CN (1) | CN207438173U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859885A (en) * | 2017-10-25 | 2018-03-30 | 广东晶科电子股份有限公司 | A kind of direct-type backlight LED lamp bead |
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2017
- 2017-10-25 CN CN201721384807.5U patent/CN207438173U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107859885A (en) * | 2017-10-25 | 2018-03-30 | 广东晶科电子股份有限公司 | A kind of direct-type backlight LED lamp bead |
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