CN206310401U

CN206310401U - LED automobile headlamp based on CSP light sources and the automobile comprising the headlight

Info

Publication number: CN206310401U
Application number: CN201621391083.2U
Authority: CN
Inventors: 郭康贤; 张仲敏
Original assignee: Guangzhou University
Current assignee: Guangzhou University
Priority date: 2016-12-19
Filing date: 2016-12-19
Publication date: 2017-07-07
Anticipated expiration: 2026-12-19

Abstract

The utility model discloses a kind of LED automobile headlamp based on CSP light sources and the automobile comprising the headlight, the LED automobile headlamp includes CSP chips, substrate, transparent silica gel coating and electrode, the CSP chip attachment is in the first face of substrate, the electrode is arranged at substrate second face opposite with the first face, and electrode is electrically connected with CSP chips, the transparent silica gel coating is covered in the face of substrate first on the position in addition to CSP chips.The utility model eliminates illumination blind area and ghost image using transparent silica gel coating, and simple structure, implementation cost are low.

Description

LED automobile headlamp based on CSP light sources and the automobile comprising the headlight

Technical field

The utility model belongs to automotive lighting field, more particularly to a kind of LED automobile headlamp based on CSP light sources and comprising The automobile of the headlight.

Background technology

Automobile front is the important component in automotive lighting field, is not only necessary in driving at night, in daily driving During can also play very big effect.Compared to traditional halogen headlight, LED headlamp has that energy-conservation, brightness be high, the longevity Life is long, response is fast, the advantage that luminescence unit is small, moulding is abundant and attractive in appearance.

At present, with the maturation of CSP (Chip Scale Package chip size packages) die bond technique, CSP light sources are Gradually develop to car light field, LED headlamp is exactly the very potential direction of one.

But the gap between CSP chips causes its light extraction that blind area and ghost phenomena occurs, therefore offer one kind can The CSP light sources for eliminating illumination blind area and ghost image have important real value.

Utility model content

The purpose of this utility model is the shortcoming and deficiency for overcoming prior art, there is provided a kind of LED based on CSP light sources Headlight for vehicles, the headlight simple structure can eliminate illumination blind area and ghost image using transparent silica gel coating.

Another object of the present utility model is to provide a kind of vapour comprising the above-mentioned LED automobile headlamp based on CSP light sources Car.

The purpose of this utility model is realized by following technical scheme：A kind of LED automobile headlamp based on CSP light sources, Including CSP chips, substrate, transparent silica gel coating and electrode, the CSP chip attachment sets in the first face of substrate, the electrode Substrate second face opposite with the first face is placed in, and electrode is electrically connected with CSP chips, the transparent silica gel coating is covered in substrate First face is on the position in addition to CSP chips.

Preferably, the thickness of the transparent silica gel coating is highly identical with the CSP chips.

Preferably, the CSP chips are mounted on substrate using high temperature tin cream.

Preferably, the CSP number of chips is multiple, and multiple CSP chips are uniformly mounted on the first face of substrate.

Further, the CSP number of chips is four, and four CSP chips are in regular square, and by 2 × 2 uniform patches The first face loaded on substrate.

Further, the number of electrodes is two, and two electrodes are respectively arranged at the left and right both sides in the face of substrate second, The electrode on the left side is electrically connected with two CSP chips for being mounted on the first face of substrate left side, the electrode on the right be mounted on substrate Simultaneously two CSP chips electrical connection on the right.

Preferably, the substrate material is copper.

The utility model compared with prior art, has the following advantages that and beneficial effect：

1st, transparent silica gel coating is covered in the face of substrate first on the position in addition to CSP chips by the utility model so that CSP The light of chip sides is by can uniform after transparent silica gel coating such that it is able to eliminate illumination blind area and ghost image, and structure Simply, implementation cost is low.

2nd, LED automobile headlamp of the present utility model can be widely applied in various automobiles, when night running automobile, made There is preferably lighting effect with the LED automobile headlamp.

Brief description of the drawings

Fig. 1 is schematic diagram of the utility model embodiment without transparent silica gel coating；

Fig. 2 is the schematic diagram that the utility model embodiment has transparent silica gel coating；

Fig. 3 is the general structure schematic diagram of the utility model embodiment.

Specific embodiment

The utility model is described in further detail with reference to embodiment and accompanying drawing, but implementation of the present utility model Mode not limited to this.

Embodiment：

As shown in figure 1, present embodiments provide a kind of LED automobile headlamp based on CSP light sources, the LED automobile headlamp without Transparent silica gel coating, mainly includes CSP chips 1 and substrate 2, but the gap between CSP chips 1 causes it to be used for LED automobile There is blind area and ghost phenomena in light extraction during headlight.

As shown in Figures 2 and 3, another LED automobile headlamp based on CSP light sources, including CSP cores are present embodiments provided Piece 1, substrate 2, transparent silica gel coating 3 and electrode 4.

The quantity of CSP chips 1 is four, and the first of the substrate 2 is uniformly mounted on by 2 × 2 in regular square Face, as we can see from the figure two of which CSP chips 1 be mounted on the left side in the face of substrate 2 first, two other CSP chip 1 is mounted In the right in the face of substrate 2 first, the attachment of CSP chips 1 can mount scheme using high temperature tin cream, and substrate material can be copper.

The CSP chips 1 can also have other numbers and arrangement mode.

The transparent silica gel coating 3 is covered in the face of substrate 2 first on the position in addition to CSP chips 1 by way of smearing, The CSP chips 1 of the present embodiment have four, that is to say, that be all covered with transparent silica gel painting in the gap between each CSP chip 1 Layer 3 so that the light of the side of CSP chips 1 is by can uniform after transparent silica gel coating 3 such that it is able to eliminate illumination blind area And ghost image, the thickness of the transparent silica gel coating 3 is highly identical with the CSP chips 1, i.e., the surface of transparent silica gel coating 3 with CSP chips 1 are equal.

The electrode 4 is arranged on second face opposite with the first face of substrate 2, is easy to whole CSP light sources to weld；The electricity The quantity of pole 4 is two, two electrodes 4 respectively positioned at the left and right both sides in the face of substrate 2 second, the electrode 4 on the left side be mounted on substrate Two CSP chips 1 in the 2 first faces left side are electrically connected, the electrode 4 on the right and two CSP cores being mounted on the right of the face of substrate 2 first Piece 1 is electrically connected.

The LED automobile headlamp for being based on CSP light sources has and eliminates the car light using CSP schemes according to the excellent of blind area and ghost image Point, the LED automobile headlamp may be mounted in various automobiles, when night running automobile, be had preferably using the LED automobile headlamp Lighting effect.

Above-described embodiment is the utility model preferably implementation method, but implementation method of the present utility model is not by above-mentioned The limitation of embodiment, it is other it is any without departing from the change made under Spirit Essence of the present utility model and principle, modify, replace Generation, combination, simplification, should be equivalent substitute mode, be included within protection domain of the present utility model.

Claims

1. a kind of LED automobile headlamp based on CSP light sources, it is characterised in that including CSP chips, substrate, transparent silica gel coating and Electrode, in the first face of substrate, the electrode is arranged at substrate second face opposite with the first face to the CSP chip attachment, and Electrode is electrically connected with CSP chips, and the transparent silica gel coating is covered in the face of substrate first on the position in addition to CSP chips.

2. the LED automobile headlamp based on CSP light sources according to claim 1, it is characterised in that the transparent silica gel coating Thickness it is highly identical with the CSP chips.

3. the LED automobile headlamp based on CSP light sources according to claim 1, it is characterised in that the CSP chips are utilized High temperature tin cream is mounted on substrate.

4. the LED automobile headlamp based on CSP light sources according to claim 1, it is characterised in that the CSP number of chips It is multiple, multiple CSP chips are uniformly mounted on the first face of substrate.

5. the LED automobile headlamp based on CSP light sources according to claim 4, it is characterised in that the CSP number of chips It is four, four CSP chips are in regular square, and by 2 × 2 uniform the first faces for being mounted on substrate.

6. the LED automobile headlamp based on CSP light sources according to claim 5, it is characterised in that the number of electrodes is two Individual, two electrodes are respectively arranged at the left and right both sides in the face of substrate second, the electrode on the left side be mounted on the first face of substrate left side Two CSP chips electrical connections, the electrode on the right is electrically connected with two CSP chips being mounted on the right of the face of substrate first.

7. the LED automobile headlamp based on CSP light sources according to claim 1, it is characterised in that the substrate material is Copper.

8. a kind of automobile, it is characterised in that big including the LED automobile based on CSP light sources described in claim any one of 1-7 Lamp.