CN207569782U - A kind of guide structure using total reflection and the lighting device using the guide structure - Google Patents
A kind of guide structure using total reflection and the lighting device using the guide structure Download PDFInfo
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- CN207569782U CN207569782U CN201721460511.7U CN201721460511U CN207569782U CN 207569782 U CN207569782 U CN 207569782U CN 201721460511 U CN201721460511 U CN 201721460511U CN 207569782 U CN207569782 U CN 207569782U
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- light
- led particle
- guide structure
- total reflection
- guide
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- 239000002245 particle Substances 0.000 claims abstract description 51
- 230000008878 coupling Effects 0.000 claims abstract description 5
- 238000010168 coupling process Methods 0.000 claims abstract description 5
- 238000005859 coupling reaction Methods 0.000 claims abstract description 5
- 239000003086 colorant Substances 0.000 claims description 8
- 210000003205 muscle Anatomy 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005286 illumination Methods 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000001795 light effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Planar Illumination Modules (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The utility model discloses a kind of guide structure using total reflection and the lighting device using the guide structure, belongs to automobile lighting technical field.It includes wiring board, LED particle, light guide, case ring and outer lens, LED particle utilizes the principle being totally reflected, LED particle is arranged on the wiring board above light guide, light is passed to coupler by entering surface from light source, light is inputted inside light guide by coupling, and reflected into primary reflection surface, face is left in subsequent light arrival, and light is dealt into front of lighting device by outer lens；The vertical direction of primary reflection surface and LED particle fitting surface is in 45 °.The guide structure of the utility model, illumination effect is good, and assembling is simple, and reliability is high.
Description
Technical field
The utility model belongs to automobile lighting technical field, and the guide structure of especially a kind of utilization total reflection and use should
The lighting device of guide structure.
Background technology
There is the light guide 3 of width requirement in common face of leaving, and LED particle 2 generally is arranged in the face of leaving that faces, such as Fig. 1
Shown, outer lens is usually cambered, it is ensured that uniformity is good, and flexible circuit board 6 can only be used to add the small aluminium block 7 of heat dissipation
Scheme, due to space reasons, spacing and subsequent assembling to LED particle 2 all can be restricted.
In addition the spacing of LED particle 2 cannot be too small, otherwise can arrange any more the small aluminium block 7 that radiates.In addition if LED particle 2 counts
Amount is too many, and assembling can be very time-consuming, and efficiency can be low.
Utility model content
There is the defects of assembling is complicated, and efficiency is low to solve the prior art, the utility model offer is a kind of to utilize total reflection
Guide structure and the lighting device using the guide structure, can realize efficiency of assembling height, and uniformity of luminance is good, and energy
Arrange the different LED particle of two kinds of colors.
To achieve the above object, the utility model uses following technical proposals：
A kind of guide structure using total reflection, it includes wiring board, LED particle, light guide, case ring and outer lens,
LED particle is disposed on wiring board above light guide, case ring and outer lens are covered with outside light guide, light guide includes at least a pair of
Entering surface, at least a pair of of coupler, at least one primary reflection surface and face is left, entering surface passes the light sent out from LED particle
To coupler, light is inputted inside light guide, and is reflected into primary reflection surface by coupling, face is left in subsequent light arrival,
Light is dealt into front of lighting device by outer lens；
The entering surface that each LED particle emits beam is unique；
The LED particle of different colours corresponds to different couplers；
A pair of of coupler corresponds to a primary reflection surface；
The vertical direction of primary reflection surface and LED particle fitting surface is in 45 °.
Further, wiring board is a monoblock wiring board.
Using above-mentioned technical proposal, the area of a monoblock wiring board can be determined according to heat demand, and when assembling only needs to fill
It can be achieved with installing with a monoblock wiring board, assembling is simple.
Further, there are two types of the LED particle of color, the LED particle compositions of each two different colours for arrangement on wiring board
A pair, corresponding each two coupler partner.
Further, there is the spot muscle that is in the light at position among light guide.
The hot spot of light source seen using above-mentioned technical proposal, the gap for blocking between case ring and light guide is used
It is more preferable in lighting uniformity.
Further, the spot muscle that is in the light is handled using dermatoglyph.
Using above-mentioned technical proposal, the hot spot at light source is more weakened.
Further, the light ray parallel after being coupled by coupler is in the vertical direction of LED particle fitting surface.
Further, the light ray parallel after being reflected by primary reflection surface is in LED particle fitting surface.
Further, outer lens uses two kinds of colors of water white transparency and black.
Using above-mentioned technical proposal, black portions can block light leakage.
A kind of lighting device, the lighting device are provided with the above-mentioned guide structure using total reflection.
Advantageous effect：
1. using the guide structure using total reflection of the utility model, it can realize and light guide member is more easily filled
Match, can also realize and light effect evenly.
2. the principle of luminosity design of the utility model is unique, it can efficiently solve and LED particle is arranged in face leave
Caused hot spot and the defects of assembling complicated on face.
Description of the drawings
Fig. 1 is common guide structure partial schematic diagram；
Fig. 2 is the explosive view of one embodiment of the utility model；
Fig. 3 is that LED particle arranges partial schematic diagram on the wiring board of one embodiment of the utility model；
Fig. 4 is coupler partial schematic diagram on the corresponding light guide of LED particle of one embodiment of the utility model；
In figure：The outer lens of 1- wiring boards, 2-LED particles, 3- light guides, 4- case rings, 5-, 6- flexible circuit board, 7- dissipate
The small aluminium block of heat, 11-LED particles fitting surface, the vertical direction of 21-LED particle fitting surfaces, 22- white light LEDs particle, 23- are amber
Be in the light spot muscle, 35- of light LED particle, 31- entering surfaces, 32- couplers, 33- primary reflection surfaces, 34- leaves face, 321- white light LEDs
The coupler of grain, the coupler of 322- amber light LED particles.
Specific embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples.
The present embodiment provides a kind of guide structure using total reflection, as shown in Fig. 2, it includes wiring board 1, LED particle
2nd, light guide 3, case ring 4 and outer lens 5 are disposed with LED particle 2 on the wiring board 1 above light guide 3, and 3 outside of light guide is covered with dress
Decorative circle 4 and outer lens 5, light guide 3 include at least a pair of of entering surface 31, at least a pair of of coupler 32, at least one primary reflection surface
33 and face 35 is left, the light sent out from light source, that is, LED particle 2 is passed to coupler 32 by entering surface 31, passes through 32 coupling of coupler
In the vertical direction 21 of LED particle fitting surface 11, the reflecting surface of coupler 32 is all focus in LED particle for light ray parallel after conjunction
The parabola of 2 luminous points, entering surface 31 are an arc surfaces, and light is inputted inside light guide 1, and reaches primary reflection surface 33, main anti-
Face 33 is penetrated with the vertical direction 21 of LED particle fitting surface 11 in 45 °, is reflected using the principle of total reflection, passes through principal reflection
Light ray parallel after the reflection of face 33 is in LED particle fitting surface 11, i.e., with primary reflection surface 33 into 135 °, light is still in light guide 3
Portion advances, and face 35 is left in subsequent light arrival, and leaving face 35 has niblet sample decorative pattern, and light, to 3 outside of light guide, is led to by patterned surface
It crosses outer lens 5 light is dealt into front of lighting device；
As shown in Fig. 2, there is the spot muscle 34 that is in the light at 3 intermediate position of light guide, between blocking between case ring 4 and light guide 3
The hot spot for the light source that gap is seen；Dermatoglyph processing can be done by being in the light on spot muscle 34, for strengthening the effect of shielding light, be made after lighting
Even property is more preferable；
As shown in Fig. 2, the entering surface 31 that each LED particle 2 emits beam is unique；
As shown in Fig. 2, a pair of of coupler 32 corresponds to a primary reflection surface 33；
As shown in figure 3, white light LEDs particle 22 and amber light LED particle 23 are disposed on a monoblock wiring board 1, and into
To arrangement, and a monoblock wiring board 1 can efficiently realize assembling.
As shown in figure 4, the coupler 321 of white light LEDs particle and the coupler 322 of amber light LED particle are arranged in pairs
On light guide 3；
As shown in Fig. 2, outer lens 5 is double-colored, i.e., two kinds of colors of water white transparency and black, black portions can block
The light leakage in other places, the part for making lighting device light leakage can only be the regions of original definition.
Using the guide structure using total reflection of the utility model, it can realize and light guide 3 is more easily assembled,
It can realize and light effect evenly.
The present embodiment also provides a kind of lighting device, which is provided with the above-mentioned light guide knot using total reflection
Structure.
The principle of luminosity design of the utility model is unique, can effectively solve the LED particle 2 to be arranged in face and leave face
Caused hot spot and the defects of assembling complicated on 35.
Limitation to scope of protection of the utility model, those skilled in the art should understand that, in the skill of the utility model
On the basis of art scheme, the various modifications or variations that can be made by those skilled in the art with little creative work still exists
Within the scope of protection of the utility model.
Claims (9)
1. it is a kind of using total reflection guide structure, it include wiring board (1), LED particle (2), light guide (3), case ring (4) and
Outer lens (5) is disposed with LED particle (2) on the wiring board (1) of light guide (3) above, case ring (4) is covered with outside light guide (3)
With outer lens (5), it is characterised in that：The light guide (3) includes at least a pair of of entering surface (31), at least a pair of of coupler
(32), at least one primary reflection surface (33) and face (35) is left, entering surface (31) passes to the light sent out from LED particle (2)
Light is inputted light guide (3) inside, and enter primary reflection surface (33) and reflected by coupler (32) by coupling, and subsequent light arrives
Up to face of leaving (35), light is dealt into front of lighting device by outer lens (5)；
The entering surface (31) that each LED particle (2) emits beam is unique；
The corresponding different coupler (32) of the LED particle (2) of different colours；
A pair of coupler (32) corresponds to a primary reflection surface (33)；
The vertical direction (21) of the primary reflection surface (33) and LED particle fitting surface (11) is in 45 °.
2. the guide structure according to claim 1 using total reflection, it is characterised in that：The wiring board (1) is one whole
Block wiring board.
3. the guide structure according to claim 2 using total reflection, it is characterised in that：It is arranged on the wiring board (1)
There are two types of the LED particle (2) of color, the LED particle (2) of each two different colours partners, corresponding each two coupler
(32) it partners.
4. the guide structure according to claim 1 using total reflection, it is characterised in that：The intermediate position of the light guide (3)
There is the spot muscle (34) that is in the light.
5. the guide structure according to claim 4 using total reflection, it is characterised in that：Spot muscle (34) use of being in the light
Dermatoglyph processing.
6. the guide structure according to claim 1 using total reflection, it is characterised in that：Pass through the coupler (32) coupling
Light ray parallel after conjunction is in the vertical direction (21) of LED particle fitting surface (11).
7. the guide structure according to claim 1 using total reflection, it is characterised in that：Pass through the primary reflection surface (33)
Light ray parallel after reflection is in LED particle fitting surface (11).
8. the guide structure according to claim 1 using total reflection, it is characterised in that：The outer lens (5) uses
Two kinds of colors of water white transparency and black.
9. a kind of lighting device, it is characterised in that：The lighting device is provided with the profit described in any one in claim 1-8
With the guide structure of total reflection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721460511.7U CN207569782U (en) | 2017-11-06 | 2017-11-06 | A kind of guide structure using total reflection and the lighting device using the guide structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721460511.7U CN207569782U (en) | 2017-11-06 | 2017-11-06 | A kind of guide structure using total reflection and the lighting device using the guide structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207569782U true CN207569782U (en) | 2018-07-03 |
Family
ID=62693387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721460511.7U Active CN207569782U (en) | 2017-11-06 | 2017-11-06 | A kind of guide structure using total reflection and the lighting device using the guide structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207569782U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571700A (en) * | 2017-11-06 | 2018-09-25 | 常州星宇车灯股份有限公司 | A kind of guide structure using total reflection and the lighting device using the guide structure |
-
2017
- 2017-11-06 CN CN201721460511.7U patent/CN207569782U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571700A (en) * | 2017-11-06 | 2018-09-25 | 常州星宇车灯股份有限公司 | A kind of guide structure using total reflection and the lighting device using the guide structure |
| CN108571700B (en) * | 2017-11-06 | 2024-03-26 | 常州星宇车灯股份有限公司 | Light guide structure utilizing total reflection and lighting device adopting same |
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