CN209418552U - A kind of gap type lens and LED component - Google Patents

Abstract

The utility model provides a kind of gap type lens and LED component, lens notch on the gap type lens is located on the periphery of gap type lens, the bottom surface of the gap type lens is used to be covered on the LED chip of LED component, and the top surface of the gap type lens is lens curved surface.By the design of gap type lens, the polarity of LED component can recognize with ease that out in the luminescent condition for not influencing LED component, convenient for assembling processing；Gap type lens with encapsulated layer are processed into using integrated molding mode, and processing technology is relatively simple, and processing efficiency is higher.

Description

A kind of gap type lens and LED component

Technical field

The utility model relates to LED fields, and in particular to arrive a kind of gap type lens and LED component.

Background technique

Currently on the market other than round lens, there are many more non-circular lens, in general, each side of non-circular lens It is different to the processing capacity of light to surface, installation or using when need to be arranged by preset direction and be just able to achieve required function； Although part non-circular lens-shape has obvious direction discernment, some non-circular lens is more difficult to pass through meat Eye identifies, such as symmetrical lens, similar round lens, have when packaged so as to cause such lens larger to lens direction Identification difficulty, be unfavorable for produce and use.

Further, for using the LED components of non-circular lens, currently on the market usually on the bracket of LED component Electrode designations are done, for identification the electrode of LED component；When LED device structure is more compact, the mark difficulty of electrode designations compared with Greatly, and the size of electrode designations is smaller, is unfavorable for producing and use.

Utility model content

In order to overcome existing lens and the LED component defect with lens, the utility model provides a kind of gap type lens And LED component, gap type lens itself have preferable direction discernment, the LED component with the gap type lens has polarity The features such as it is easy to differentiate, and processing technology is simple.

Correspondingly, the utility model provides a kind of gap type lens, the gap type lens include lens jacket, described The lens notch being provided on the lens jacket periphery in mirror layer, the top surface of the lens jacket are lens curved surface.

Optional embodiment, the lens jacket include top surface for the functional areas of lens curved surface and are located at the functional areas four The nonfunctional area in week；The lens notch is arranged on the nonfunctional area.

Optional embodiment, the gap type lens further include encapsulated layer, and the lens jacket is covered on the encapsulated layer On.

Optional embodiment, the lens jacket and the encapsulated layer are an integral molding structure.

Correspondingly, the utility model additionally provides a kind of LED component, the LED component includes described in any of the above item Gap type lens.

Optional embodiment, the LED component further include bracket and LED chip；The LED chip is arranged described In cradle top surface, the gap type lens base coats the cradle top surface around the LED chip and the LED chip.

Optional embodiment, the LED component further include bracket, encapsulation part and LED chip；

On the bracket, the encapsulation part coats the LED chip for the LED chip and encapsulation part setting；

The lens base is coated on the encapsulation part top surface.

Optional embodiment, the LED component further include bracket and LED chip；

Reflector is provided on the bracket, the LED chip setting is on the bracket；

Under conditions of the gap type lens include encapsulated layer, gap type lens bottom is based on the encapsulated layer and fills out It fills in the reflector, is covered in the LED chip.

Optional embodiment, the bracket are provided with bracket step on the position of the correspondence lens notch.

Optional embodiment, the gap type lens extend along the reflector surface, coat the reflector top surface；

Or the gap type lens extend along the reflector surface, coat the reflector top surface and at least partly reflect Cup outer wall.

Optional embodiment, be covered on gap type lens thickness value range on the reflector outer wall be (0 μm, 200μm]。

Optional embodiment, lens notch and the one of electrode of the LED component of the gap type lens are located at The same side

The utility model provides a kind of gap type lens and LED component, by the way that lens notch is arranged on lens, is convenient for Identify lens direction；LED component with the gap type lens can readily be known under the luminescent condition for not influencing LED component Not Chu LED component polarity, convenient for assembling processing have processing technology it is simple, it is high in machining efficiency the features such as.The gap type lens The material in gluing process can be saved relative to completed lens, had many advantages, such as at low cost.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it can also be obtained according to these attached drawings other attached drawings.

Fig. 1 shows the gap type lens top view of the utility model embodiment one.

Fig. 2 shows the gap type lens front views of the utility model embodiment two；

Fig. 3 shows the gap type lens front view of the utility model embodiment three；

Fig. 4 shows the gap type lens front view of the utility model embodiment four；

Fig. 5 shows the LED component front view of the utility model embodiment six；

Fig. 6 shows the LED component front view of the utility model embodiment seven；

Fig. 7 shows the LED component front view of the utility model embodiment eight；

Fig. 8 shows the bracket top view of the utility model embodiment nine；

Fig. 9 shows the bracket front view of the utility model embodiment nine；

Figure 10 shows the bracket left view of the utility model embodiment nine.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts All other embodiment obtained, fall within the protection scope of the utility model.

Embodiment one:

Fig. 1 shows the gap type lens top view of the utility model embodiment.The utility model embodiment provides A kind of gap type lens 4.By the way that lens notch 401 is arranged on lens, achievees the purpose that identify lens direction, make the peace of lens Dress and use are more simple, have good practicability in actual use.The top surface of the gap type lens 4 is lens curved surface.

Specifically, 4 top surface of gap type lens is lens curved surface, bottom surface can be used for being covered in the LED chip of LED device, LED chip is formed and is protected, specifically, being directed to the different structure of LED component, 4 bottom surface of gap type lens has different settings Mode, subsequent implementation regular meeting are illustrated for the content；Lens notch 401 is arranged on the periphery of gap type lens 4, passes through The modes such as mold injection or machining can be relatively easy to obtain required lens notch 401.

In practical measurement, the light emitting angle of LED chip is primarily referred to as region of the relative light intensity 50% and 50% or more Angular range, remaining region outside light emitting angle, light intensity is lower, when illumination effect changes generated vision difference compared with It is small；Therefore, for the gap type lens 4 of the utility model embodiment when being applied in LED component, gap type lens 4 are simultaneously not all Region can all have an impact the light emitting angle of LED chip, common, and the top surface positioned at middle part is the functional areas of lens curved surface 402, which can act on the light generation within the scope of LED chip light emitting angle, be the master of LED chip light emitting angle One of influence factor is wanted, and the lens for being located at 402 surrounding of functional areas then do not generate the light within the scope of LED chip light emitting angle It influences, is nonfunctional area 403.In specific implementation, in order to avoid influencing influence of the lens to LED component light emitting angle, lens are lacked Mouth 401 may be provided on nonfunctional area 403.

It should be noted that functional areas 402 and nonfunctional area 403 defined by the utility model embodiment are mainly for answering For LED component with gap type lens 4, such as demand of the user to LED component is that have certain light emitting angle, So, the part-structure that gap type lens 4 can have an impact the light within the scope of the light emitting angle is functional areas 402, to this The part-structure that light within the scope of light emitting angle does not have an impact is nonfunctional area 403；Lens notch 401 is arranged in NOT function In energy area 403, the basic function attribute of LED component will not be changed.It should be noted that attached drawing 1 only shows gap type lens 4 One of embodiment, since the structure of lens can be arbitrarily arranged according to demand, the utility model embodiment does not carry out one by one It introduces.

Embodiment two:

Fig. 2 shows the gap type lens front views of the utility model embodiment, and on the basis of example 1, this is practical The gap type lens 4 of new embodiment, which can be set up directly on, itself to be had been provided in the LED component of encapsulation part.Specifically, notch The bottom surface of formula lens 4 is configured according to the top surface of LED component encapsulation part, and 4 bottom surface of gap type lens is coated on the encapsulation part On top surface.

Further, when the encapsulation part of LED component is in the case that the reflector based on bracket realizes molding, gap type is saturating 4 bottom surface of mirror can be also covered on the top surface of reflector, for reinforcing the binding force between gap type lens 4 and bracket, prevent from lacking Mouth formula lens 4 fall off.

Embodiment three:

Fig. 3 shows the gap type lens front view of the utility model embodiment, on the basis of example 1, is not changing Become under the precondition of 4 structure of gap type lens, the bottom surface of the gap type lens 4 of the utility model embodiment is plane, middle part It is provided with the chip groove 405 for coating LED chip.

When the LED chip of LED component is directly arranged on bracket, the gap type lens 4 of the utility model embodiment can be straight It connects in the LED chip for being covered on LED component, the LED component is coated based on chip groove 405, and be based on chip groove 405 The bottom surface of surrounding is covered on the bracket of LED chip surrounding, realizes encapsulation and protection to LED chip.

The gap type lens 4 of the utility model embodiment realize encapsulated layer and lens function simultaneously, in actual use may be used LED component size is reduced, there is certain practicability.

Example IV:

Fig. 4 shows the gap type lens front view of the utility model embodiment, for the certain encapsulation thickness of some needs The LED component of degree, on the basis of example 1,4 bottom surface of gap type lens can extend downwardly certain thickness, and being formed has one Determine the encapsulated layer 411 of thickness.

For ease of description, the gap type lens 4 for being located at 411 top of encapsulated layer are named as lens jacket 410, lens jacket 410 are mainly used for realizing that the lens function of gap type lens 4, encapsulated layer 411 can realize the packaging protection function of LED chip；Phase It answers, chip groove 405 is arranged on 411 bottom surface of encapsulated layer.

Specifically, the appearance profile of encapsulated layer 411 can be designed according to demand；It is provided with when on the bracket of LED component When reflector, 411 structure of encapsulated layer can be designed according to reflector interior shape.

Embodiment five:

On the basis of example IV, encapsulated layer 411 and lens jacket 410 can be made based on same material, can reduce LED device Material variety needed for part saves the processing cost of LED component；Further, the lens jacket of the gap type lens 4 and encapsulation Layer is an integral molding structure, and can be reduced based on a dispensing forming technique molding, such as mold injection, glue self-forming mode The manufacturing procedure of gap type lens 4.

Specifically, glue self-forming mode combines specific LED device structure to be illustrated in subsequent embodiment.

Embodiment six:

Fig. 5 shows the LED component front view of the utility model embodiment, and the utility model embodiment provides one kind LED component, the LED component include bracket 1, LED chip 2, gap type lens 4 provided by encapsulation part 3 and embodiment two.

Specifically, LED chip 2 is arranged on bracket 1, encapsulation part 3 coats the LED chip 2 and is covered on LED core On 1 inner wall of bracket around piece 2；4 bottom surface of gap type lens is coated on 3 top surface of encapsulation part, is covered on the encapsulation part 3 On top surface.

Specifically, the shape for the part that 4 bottom surface of gap type lens is contacted with the encapsulation part 3 is mutually fitted with 3 top surface of encapsulation part Match；In the utility model embodiment, 3 top surface of encapsulation part is plane, and therefore, 4 bottom surface of gap type lens is set as flat accordingly Face.

Further, in the case where bracket 1 is provided with reflector 101,4 bottom surface of gap type lens can also be along described anti- The extension of 101 surface of cup is penetrated, 101 top surface of reflector is coated, to enhance the binding force between gap type lens 4 and bracket 1, is reduced The risk that gap type lens 4 fall off.

Further or 4 bottom surface of gap type lens extends along 101 surface of reflector, coats the reflector 101 top surfaces and at least partly 101 outer wall (not shown) of reflector, further enhance the knot between gap type lens 4 and bracket With joint efforts, the risk that gap type lens 4 fall off is reduced.

Specifically, it is found through experiment that, when gap type lens 4 101 outer wall of reflector thickness be greater than 200 microns when, lack Binding force between mouthful formula lens 4 and reflector 101 almost no longer increases, and when thickness is excessive, it is formed in gap type lens 4 When, there may be the risk that glue surface tension deficiency causes glue to flow out, therefore, gap type lens 4 are outside reflector 101 The thickness of wall should not be too large；Optionally, the 4 Thickness range of gap type lens being covered on 101 outer wall of reflector is (0 μm, 200 μm].

Embodiment seven:

Fig. 6 shows the LED component front view of the utility model embodiment, and the utility model embodiment provides one kind LED component, the LED component include bracket 1, gap type lens 4 provided by LED chip 2 and embodiment three.

In specific implementation, considered based on LED component volume, gap type lens 4 can directly cover LED chip 2, to reduce The whole height of LED component.

Specifically, LED chip 2 is arranged on 1 surface of bracket, 4 bottom surface of gap type lens directly coats the LED chip 2 And 1 top surface of bracket around LED chip 2.

For gap type lens 4 itself, the chip that will form a receiving LED chip 2 on 4 bottom surface of gap type lens is recessed Slot.

Embodiment eight:

The utility model embodiment provides a kind of LED component, LED component front view as shown in Figure 7, the LED component Including gap type lens 4 provided by bracket 1, LED chip 2 and example IV.

Specifically, gap type lens 4 used by the utility model embodiment are that gap type provided by example IV is saturating Mirror 4, the gap type lens 4 include lens jacket 410 and encapsulated layer 411；Due to being provided with reflector 101, encapsulated layer on bracket 1 411 shapes can be formed according to 101 interior shape of reflector.

Under the set-up mode, encapsulated layer 411 and lens jacket 410 can be made based on same material, can reduce LED component institute The material variety needed, saves the processing cost of LED component；Further, the lens jacket 410 of the gap type lens 4 and encapsulation Layer 411 can reduce gap type lens 4 based on a dispensing forming technique molding, such as mold injection, glue self-forming mode Manufacturing procedure, correspondingly, the gap type lens 4 are an one-time formed lens.

Embodiment nine:

On the basis of embodiment eight, the utility model embodiment provides a kind of supporting structure for the LED component.

Fig. 8 shows the bracket top view of the utility model embodiment, and Fig. 9 shows the bracket of the utility model embodiment Front view, Figure 10 show the bracket left view of the utility model embodiment.It is set on the bracket 1 of the utility model embodiment It is equipped with reflector 101, LED chip 2 is arranged on 101 bottom surface of reflector；In specific implementation, bracket 1 is on 101 bottom surface of reflector It is usually provided with the metal electrode 102 of at least two mutually insulateds, metal electrode 102 is embedded in the bracket, and is located at anti- It penetrates on 101 bottom surface of cup, which is used to carry out bonding wire for LED chip 2, realizes the external function controlled LED chip 2 Energy；Bracket is provided with bracket step 103 on the position of the correspondence lens notch.

In the utility model embodiment, the rim of a cup shape of reflector 101 is rectangle, the width of the rectangle and length Ratio value range is [0.75,1], when the width of rim of a cup and the ratio of length are closer to 1, the gap type lens surface of final molding Closer to the convex lens of perfect condition.The bracket of the utility model embodiment can be used for band gap type lens described in example IV LED device, the gap type lens surface of such LED component with gap type lens relies primarily on the surface tension of a glue It is formed, when the ratio of the width of rim of a cup and length is too small, the gap type lens formed above rim of a cup are serious due to deforming, meeting Seriously affect the light emitting angle of the LED component with gap type lens；On the other hand, ideally, when the rim of a cup of reflector 101 When shape is round, it can be relatively easy to obtain the gap type lens of perfect condition, but in actual processing, reflector 101 is to pass through Mold carries out injection molding, and the difficulty of processing of rectangular mould is low compared with the difficulty of processing of circular die, has in specific processing More good economy and practicability.In specific implementation, for the embodiment for installing a LED chip on a bracket, instead It penetrates 101 rim of a cup length a of cup and is set as 2mm, it is preferable that width b is set as 1.5mm ~ 1.6mm.Correspondingly, meeting reflector 101 Under the precondition of minimum wall thickness (MINI W.), the outside dimension of bracket can make variation accordingly, and optionally, the length A of bracket may be configured as 2.2 millimeters, width B is set as 1.55mm ~ 1.8mm.

In specific implementation, the rim of a cup of reflector 101 can also be shaped to rectangle with rounded corners.On the one hand, in vehicle In Milling Machining, the difficulty of processing at right angle is higher, sets fillet for the right angle of rectangle, advantageously reduces Mold Making difficulty and note Modeling demoulding difficulty；On the other hand, be provided with that the rectangular shape of fillet is more close round, be conducive to improve gap type lens at Type quality.

Correspondingly, the thickness of encapsulated layer or encapsulation part should be as far as possible in the case where realizing the precondition protected to LED chip It is small, to reduce the influence to LED chip luminous intensity.Since encapsulated layer or encapsulation part are filling moldings in reflector, reflection The cup depth h1 of cup determines the thickness of encapsulated layer or encapsulation part.Optionally, reflector cup depth h1 value range be [0.25mm, 0.45mm]。

In addition, the Forming Quality of gap type lens in order to further increase, in the utility model embodiment, the reflection Wall of cup inclined angle alpha of the cup in rim of a cup long side side is less than the wall of cup angle of inclination beta of short side side.Specifically, in utility model In embodiment, inclination angle refers to angle formed by the reflector bottom surface of glass inner wall and reflector inner wall outside, in order to not influence LED Chip goes out light, the value range at inclination angle be (0 °, 90 °], the area of section of reflector be gradually increased from bottom surface to rim of a cup or It remains unchanged.

When glue is in liquid condition, under surface tension effects, glue has the trend for being punctured into sphere, cup Interaction force (predominantly intermolecular force) between wall and glue enable glue fill into reflector and and reflector Wall of cup contact, the glue surface for overflowing rim of a cup can tend to be punctured into a spherical surface in its natural state.Shown in referring to figure 6 and figure 7 LED device structure schematic diagram with gap type lens, under field conditions (factors), the upper surfaces of gap type lens with reflector rim of a cup Long side contact curved surface it is steep compared with the curved surface contacted with reflector rim of a cup short side, positioned at reflector rim of a cup long side side, act on The adhesive liquid quantity of the unit area adhesive liquid quantity shorter edge side of reflector wall of cup is more；Due to the gap type lens of final curing molding It needs to reach a certain height and is just able to achieve ideal illumination effect, therefore, in order to prevent in the glue of reflector long side side Liquid is because of the excessive outflow bracket of weight, the wall of cup inclined angle alpha of the reflector of the utility model embodiment in rim of a cup long side side Less than the wall of cup angle of inclination beta of short side side, so that the wall of cup surface area of reflector rim of a cup long side side be made to increase, improve glue with The interaction force of reflector rim of a cup long side side increases the glue weight that reflector rim of a cup long side side can carry, is conducive to Increase the forming height of gap type lens.

In specific implementation, optionally, wall of cup inclined angle alpha of the reflector in rim of a cup long side side is 60 ° of ~ 75°；Wall of cup angle of inclination beta of the short side in rim of a cup short side side is 70 ° 85 ° of ~.

In specific implementation, gap type lens can carry out self-forming using the characteristic of glue by dispensing mode.Specifically, In dispensing operation, after due to glue there is certain surface tension, glue to overflow from reflector top surface, glue top surface can nature A lens curved surface is formed, after glue solidification, forms the lens with lens curved surface.It is fallen vacant by being processed on the lens Mouthful, required gap type lens are formed, the required LED component with gap type lens equally can be obtained.

Further, when lens notch is formed by processing methods such as cuttings, since the material of lens limits, processing Lens notch smoothness out is not high, therefore, in the utility model embodiment, additionally provide it is a kind of with gap type lens at Type method.

In specific implementation, the bracket of the utility model embodiment processes one on the required position for carrying out electrode mark Pallet rank 103.

Specifically, during dispensing, due to the setting of bracket step 103, under the influence of glue surface tension, one Within the scope of fixed glue amount, glue be may not flow into bracket step 103, to make molding lens in the position of bracket step 103 Upper formation lens notch 401.

In specific implementation, in dispensing operation, glue can be first filled with inside reflector, then be overflow from reflector rim of a cup Out；After glue overflows, glue height continues to increase, and glue can spread covering reflector top surface first and may not flow into trestle table On rank 103；After glue solidification, required gap type lens are formed.

Embodiment ten:

LED component provided by above embodiments, lens notch, which is arranged in any position of gap type lens, can mark The direction for knowing gap type lens, when by lens notch connected applications into LED component, can lack the lens of the gap type lens Mouth, in the same side, makes lens notch realize mark gap type lens direction with the one of electrode setting of the LED component Meanwhile realizing that the polar mark of LED component, there is good practicability in actual use.

In conclusion the utility model embodiment provides a kind of gap type lens and LED component, pass through gap type lens Design, can recognize with ease that out the polarity of LED component in the luminescent condition for not influencing LED component, convenient for assembling processing；Band The gap type lens of encapsulated layer are processed into using integrated molding mode, and processing technology is relatively simple, and processing efficiency is higher.

A kind of gap type lens and LED component provided by the utility model embodiment are described in detail above, Specific case used herein is expounded the principles of the present invention and embodiment, and the explanation of above embodiments is only It is the method and its core concept for being used to help understand the utility model；At the same time, for those skilled in the art, foundation The thought of the utility model, there will be changes in the specific implementation manner and application range, in conclusion in this specification Appearance should not be construed as a limitation of the present invention.

Claims (12)

1. a kind of gap type lens, which is characterized in that the gap type lens include lens jacket, are provided with position on the lens jacket Lens notch on the lens jacket periphery, the top surface of the lens jacket are lens curved surface.

2. gap type lens as described in claim 1, which is characterized in that the lens jacket includes the function that top surface is lens curved surface It can area and positioned at the nonfunctional area of the functional areas surrounding；The lens notch is arranged on the nonfunctional area.

3. gap type lens as described in claim 1, which is characterized in that the gap type lens further include encapsulated layer, described Lens jacket is covered on the encapsulated layer.

4. gap type lens as claimed in claim 3, which is characterized in that the lens jacket and the encapsulated layer are integrally formed Structure.

5. a kind of LED component, which is characterized in that the LED component includes that the described in any item gap types of Claims 1-4 are saturating Mirror.

6. LED component as claimed in claim 5, which is characterized in that the LED component further includes bracket and LED chip；It is described LED chip is arranged in the cradle top surface, and the gap type lens base coats the LED chip and LED chip week The cradle top surface enclosed.

7. LED component as claimed in claim 5, which is characterized in that the LED component further includes bracket, encapsulation part and LED core Piece；

On the bracket, the encapsulation part coats the LED chip for the LED chip and encapsulation part setting；

The gap type lens base is coated on the encapsulation part top surface.

8. LED component as claimed in claim 5, which is characterized in that the LED component further includes bracket and LED chip；

Reflector is provided on the bracket, the LED chip setting is on the bracket；

Under conditions of the gap type lens include encapsulated layer, gap type lens bottom is based on the encapsulated layer and is filled in In the reflector, it is covered in the LED chip.

9. LED component as claimed in claim 8, which is characterized in that the bracket is on the position of the correspondence lens notch It is provided with bracket step.

10. LED component as claimed in claim 8, which is characterized in that the gap type lens prolong along the reflector surface It stretches, coats the reflector top surface；

Or the gap type lens extend along the reflector surface, coat the reflector top surface and at least partly outside reflector Wall.

11. LED component as claimed in claim 10, which is characterized in that the gap type being covered on the reflector outer wall is saturating Mirror Thickness range be (0 μm, 200 μm].

12. such as the described in any item LED components of claim 5 to 11, which is characterized in that the lens notch of the gap type lens It is located at the same side with the one of electrode of the LED component.