CN113531478A - Hidden car light optical structure and car light thereof - Google Patents
Hidden car light optical structure and car light thereof Download PDFInfo
- Publication number
- CN113531478A CN113531478A CN202110812576.8A CN202110812576A CN113531478A CN 113531478 A CN113531478 A CN 113531478A CN 202110812576 A CN202110812576 A CN 202110812576A CN 113531478 A CN113531478 A CN 113531478A
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- light guide
- light
- thick
- guide strip
- optical structure
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/24—Light guides
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/322—Optical layout thereof the reflector using total internal reflection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/236—Light guides characterised by the shape of the light guide
- F21S43/237—Light guides characterised by the shape of the light guide rod-shaped
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/235—Light guides
- F21S43/236—Light guides characterised by the shape of the light guide
- F21S43/241—Light guides characterised by the shape of the light guide of complex shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/40—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the combination of reflectors and refractors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/50—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a hidden type car lamp optical structure and a car lamp thereof. This optical structure includes the dress escutcheon, one side of dress escutcheon is provided with the light guide strip, thick wall light guide and PCB board, the terminal surface of light guide strip is just to being provided with the LED chip, the dress escutcheon shelters from the light guide strip completely, LED chip and PCB board, the thick wall light guide includes extension and reflection of light portion, the extension passes the dress escutcheon, the luminous side of light guide strip is located to the reflection of light portion, the light that the LED chip sent joins reflection of light portion through the light guide strip, and take place the total reflection in the reflection of light portion, jet out from the extension. Through placing the light guide strip in thick wall light guide the place ahead position, the light that makes the LED chip jet out constantly reflects the propagation in the light guide strip earlier, then gets into the reflection plane of thick wall light guide through the reflector portion and takes place the total reflection, jets out the light from the front end of extension to the light that makes jet out is even soft, owing to sheltering from of dress escutcheon, can not see the grading decorative pattern isotructure of PCB board and light guide strip from luminous side in addition, whole outward appearance effect is better.
Description
Technical Field
The invention relates to the field of lighting, in particular to a hidden type car lamp optical structure and a car lamp thereof.
Background
In the prior art, the two light emitting surfaces are lighted by coupling the light guide strip and the thick-wall light guide, each light emitting surface needs one light guide strip and one thick-wall light guide, the number of the light guide strips and the thick-wall light guides is large, the cost is high, and the optical utilization rate is low. And the thick-wall light guide and the light guide strip are directly arranged behind the light-emitting surface in sequence, so that the tooth patterns of the light distribution patterns can be seen by human eyes, and the appearance effect is poor. In addition, light rays are directly emitted out of the surface from the bottom of the light guide body, so that the brightness of the light emitting center of the LED lamp is obviously different from the brightness of the area between the adjacent LED lamps, and bright spots with visible appearances are formed.
Disclosure of Invention
The invention aims to provide a hidden type car lamp optical structure, which realizes two light-emitting surfaces through a single light guide and a single thick-wall light guide, and has the advantages of few parts, low cost, uniform lighting effect and better appearance effect.
In order to solve the technical problem, the optical structure of the hidden car lamp comprises a decorative frame, wherein a light guide strip, a thick-wall light guide and a PCB are arranged on one side of the decorative frame, an LED chip is arranged on the end face of the light guide strip in a right-to-right mode, the LED chip is arranged on the PCB, the decorative frame completely shields the light guide strip, the LED chip and the PCB, the thick-wall light guide comprises an extending portion and a reflecting portion, the extending portion penetrates through the decorative frame, the reflecting portion is arranged on the light emitting side of the light guide strip, light rays emitted by the LED chip are converged to the reflecting portion through the light guide strip, are totally reflected in the reflecting portion and are emitted out from the end portion of the extending portion.
In above-mentioned hidden car light optical structure, through placing the light guide strip in thick wall light guide the place ahead position, make the light that the LED chip jetted out constantly reflect propagation in the light guide strip earlier, then get into the thick wall light guide in, the plane of reflection through the reflector portion takes place the total reflection again, the light is jetted out from the front end of extension, thereby the light that makes to jet out is even soft, and because sheltering from of dress escutcheon, can not see the LED chip from the luminous side, the grading decorative pattern isotructure of PCB board and light guide strip, whole outward appearance effect is better.
As an improvement of the optical structure of the hidden car lamp, the number of the extension parts is two, the light guide strip is arranged between the two extension parts, and the light reflecting part is provided with two groups of total reflection surfaces. Each group of total reflection surfaces respectively corresponds to an extension part and generates a light emitting surface on the extension part, so that a group of light guide strips and the thick-wall light guide form two beams of light to form two light emitting surfaces, and the light guide structure is simple in whole structure, low in cost and high in light utilization rate.
In order to solve the above technical problem, the present invention provides a vehicle lamp having the above hidden vehicle lamp optical structure.
The vehicle lamp has all the advantages of the hidden vehicle lamp optical structure, can meet the light distribution requirement of the vehicle lamp, has better appearance and visual effect, and is energy-saving and environment-friendly.
In conclusion, by adopting the hidden car lamp optical structure and the car lamp thereof, the emitted illumination light is uniform and soft, the lighting effect is high in optical utilization rate and better, the number of parts is small, the cost is low, the engineering problem is few, the structures such as the internal light guide tooth flower of the lamp cannot be seen, the appearance is more attractive, and the hidden car lamp optical structure and the car lamp thereof can be suitable for various car signal lamps.
Drawings
In the drawings:
FIG. 1 is a cross-sectional view of an optical structure according to the present invention.
FIG. 2 is a schematic diagram of a light reflection path of the optical structure according to the present invention.
Fig. 3 is a perspective view of the optical structure of the present invention.
FIG. 4 is a schematic view of a light guide strip structure of an optical structure of the present invention.
In the figure, 1, a decorative frame; 2. a light guide strip; 3. a thick-walled light guide; 4. an LED chip; 5. a PCB board; 6. an extension portion; 7. a light reflecting section; 8. a first thick-walled reflective surface; 9. a second thick-walled reflective surface; 10. a third thick-walled reflective surface; 11. a fourth thick-walled reflective surface; 12. a first light distribution pattern; 13. A light guide part; 14. a connecting portion; 15. an outer mask; 16. and (4) a bracket.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.
Fig. 1-3 illustrate a recessed vehicle light optical structure of the present invention. As shown in fig. 1, this optical structure includes dress escutcheon 1, one side of dress escutcheon 1 is provided with light guide strip 2, thick wall light guide 3 and PCB 5, the terminal surface of light guide strip 2 is just being provided with LED chip 4, LED chip 4 is located on PCB 5, dress escutcheon 1 shelters from light guide strip 2 completely, LED chip 4 and PCB 5, thick wall light guide 3 includes extension 6 and reflection of light portion 7, extension 6 passes dress escutcheon 1, reflection of light portion 7 is located the luminous side of light guide strip 2, the light that LED chip 4 sent converges reflection of light portion 7 through light guide strip 2, and take place the total reflection in reflection of light portion 7, jet out from extension 6 front end.
When the decorative frame is used, the light guide strip 2 is placed between the decorative frame 1 and the thick-wall light guide 3, light is introduced into the front end of the thick-wall light guide 3, the light is totally reflected by the light reflecting part 7 of the thick-wall light guide 3, the light is emitted from the extending part 6 of the thick-wall light guide 3, and the light is uniform and soft. The decoration frame 1 is a plastic plate shell structure, a hole is formed in the main body of the decoration frame, the extension portion 6 just penetrates through the hole to shield other structures, and light distribution patterns of the LED chip 4, the PCB 5 and the light guide strip 2 cannot be seen from the front view angle of light irradiation. In the description, the direction of light emitted from the extension portion 6 is referred to as the front and the front, and the top and the bottom refer to the directions in the drawings
As shown in fig. 2, the number of the extending portions 6 is two, the light guide strip 2 is provided between the two extending portions 6, and the light reflecting portion 7 is provided with two sets of total reflection surfaces. Light that LED chip 4 jetted out jets out from light guide strip 2 back, and the reflection of light portion 7 through thick wall light guide 3 divides into two bundles of light, jets out through two extension 6 again, realizes two light emitting areas, has higher optics high-usage, and the part is few, and is with low costs, and engineering problem is few.
In the two groups of total reflection surfaces, the total reflection surfaces comprise a first thick-wall reflection surface 8, a second thick-wall reflection surface 9, a third thick-wall reflection surface 10 and a fourth thick-wall reflection surface 11 which are connected in sequence, and the first thick-wall reflection surface 8, the second thick-wall reflection surface 9, the third thick-wall reflection surface 10 and the fourth thick-wall reflection surface 11 form an M shape. As shown in fig. 2, after the LED chip 4 is turned on, light is reflected by the light guide strip 2 and converged into the light reflecting portion 7 of the thick-wall light guide 3, and reaches the second thick-wall reflecting surface 9 and the third thick-wall reflecting surface 10 respectively, the second thick-wall reflecting surface 9 reflects the light to the first thick-wall reflecting surface 8, the first thick-wall reflecting surface 8 reflects the light as horizontal light, and the light is emitted through the extending portion 6 at the top, and meanwhile, the third thick-wall reflecting surface 10 reflects the light to the fourth thick-wall reflecting surface 11, the fourth thick-wall reflecting surface 11 reflects the light as horizontal light, and the light is emitted through the extending portion 6 at the bottom, so that the whole structure is simple, and the design is reasonable.
As shown in fig. 4, the light guide strip 2 is designed to have a continuous zigzag reflective pattern structure on the side closer to the bezel 1, thereby forming a first light distribution pattern 12. Alternatively, as shown in fig. 3, a second light distribution pattern may be provided on the light emitting surface, which is the end surface of the extending portion 6, and the shape of the second light distribution pattern may be a bump structure arranged in a matrix. When the LED light guide strip is used, light rays emitted by the LED chips 4 irradiate on the zigzag reflective patterns, are continuously reflected and transmitted in the light guide strip 2, are fully converged and enter the reflective part 7 of the thick-wall light guide 3, and are matched with the surface convex point-shaped patterns of the extension part 6, so that the whole structure emits light more uniformly and softly.
Optionally, the light guide strip 2 is fixed to the side of a thick-walled light guide 3. As shown in fig. 4, the light guide bar 2 includes a light guide portion 13 and a connecting portion 14, and the light guide portion 13 reflects and guides light by the first light distribution patterns 12. The top and the bottom of the light guide strip 2 are symmetrically provided with connecting parts 14, the connecting parts 14 are of arc-shaped sheet structures, and the end parts of the connecting parts are fixedly connected with the thick-wall light guide 3. Alternatively, the connection portion 14 and the thick-walled light guide 3 are fixed by means of hot-riveting. The light guide strip 2 and the thick-wall light guide 3 can be made of transparent plastic materials, the insertion end of the connecting part 14 is heated to be denatured, then the inserting end is inserted into a groove hole reserved on the thick-wall light guide 3, reshaping, cooling and riveting are carried out, connection is reliable, and cost performance is high.
As shown in fig. 1 and 3, a support 16 is provided on the side of the light reflecting portion 7 away from the light guide strip 2, and the thick-walled light guide 3 is fixedly connected to the support 16 to serve as a support.
As shown in fig. 1 and 3, the decorative frame 1 is provided with an outer cover 15 on a side surface thereof, and the outer cover 15 covers the outside of the light emitting end of the extension portion 6. The outer cover 15 covers the outside of the whole optical structure and plays a role of protection.
The invention also provides a vehicle lamp, which has the hidden vehicle lamp optical structure, the light guide strip 2 and the thick-wall light guide 3 can be both made of colorless, yellow or red transparent materials, has all the advantages of the hidden optical structure, completely meets the light distribution requirement of the vehicle lamp, obtains better appearance and visual effect, and is energy-saving and environment-friendly.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The hidden car light optical structure is characterized by comprising a decorative frame (1), wherein one side of the decorative frame (1) is provided with a light guide strip (2), a thick-wall light guide (3) and a PCB (5), the end surface of the light guide strip (2) is just provided with an LED chip (4), the LED chip (4) is arranged on the PCB (5), the decorative frame (1) completely shields the light guide strip (2), the LED chip (4) and the PCB (5), the thick-wall light guide (3) comprises an extending part (6) and a reflecting part (7), the extending part (6) penetrates through the decorative frame (1), the reflecting part (7) is arranged on the light emitting side of the light guide strip (2), and light rays emitted by the LED chip (4) are converged to the reflecting part (7) through the light guide strip (2) and are totally reflected in the reflecting part (7), is ejected from the end of the extension part (6).
2. A hidden vehicle light optical structure according to claim 1, characterized in that there are two said extensions (6), said light guide strip (2) is disposed between two said extensions (6), and said light reflecting portion (7) is provided with two sets of total reflection surfaces.
3. A hidden vehicle lamp optical structure as claimed in claim 2, characterized in that the total reflection surface comprises a first thick-wall reflection surface (8), a second thick-wall reflection surface (9), a third thick-wall reflection surface (10) and a fourth thick-wall reflection surface (11) which are connected in sequence, and the first thick-wall reflection surface (8), the second thick-wall reflection surface (9), the third thick-wall reflection surface (10) and the fourth thick-wall reflection surface (11) form an M shape.
4. A hidden vehicle light optical structure according to claim 1, characterized in that the side of the light guide strip (2) close to the decorative frame (1) is provided with a first light distribution pattern (12).
5. The optical structure of a hidden car light according to claim 4, characterized in that the first light distribution pattern (12) is in a continuous sawtooth shape.
6. A hidden vehicle light optical structure according to claim 1, characterized in that the light guide strip (2) is fixedly connected to the reflector (7).
7. A hidden vehicle lamp optical structure as claimed in claim 6, characterized in that the light guide strip (2) comprises a light guide part (13) and a connecting part (14), the connecting part (14) is an arc-shaped sheet structure and is arranged on two sides of the light guide part (13), and the end of the connecting part (14) is fixedly connected with the thick-walled light guide (3).
8. A hidden vehicle lamp optical structure as claimed in claim 1, wherein the side of the decorative frame (1) is provided with an outer cover (15), and the outer cover (15) is covered outside the light emitting end of the extension portion (6).
9. A recessed vehicle light optical structure according to claim 1, characterized in that a support (16) is provided on the side of the light-reflecting portion (7) remote from the light guide strip (2), and the thick-walled light guide (3) is fixedly connected to the support (16).
10. A vehicle lamp comprising a concealed optical structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110812576.8A CN113531478B (en) | 2021-07-19 | 2021-07-19 | Hidden car light optical structure and car light thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110812576.8A CN113531478B (en) | 2021-07-19 | 2021-07-19 | Hidden car light optical structure and car light thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113531478A true CN113531478A (en) | 2021-10-22 |
| CN113531478B CN113531478B (en) | 2022-12-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110812576.8A Active CN113531478B (en) | 2021-07-19 | 2021-07-19 | Hidden car light optical structure and car light thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113531478B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4394244A1 (en) * | 2022-12-26 | 2024-07-03 | Hyundai Mobis Co., Ltd. | Lamp comprinsing an inner lens |
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2021
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| EP4394244A1 (en) * | 2022-12-26 | 2024-07-03 | Hyundai Mobis Co., Ltd. | Lamp comprinsing an inner lens |
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| Publication number | Publication date |
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| CN113531478B (en) | 2022-12-23 |
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