CN108087833B - Automobile lighting device - Google Patents
Automobile lighting device Download PDFInfo
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- CN108087833B CN108087833B CN201810092470.3A CN201810092470A CN108087833B CN 108087833 B CN108087833 B CN 108087833B CN 201810092470 A CN201810092470 A CN 201810092470A CN 108087833 B CN108087833 B CN 108087833B
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- 239000010410 layer Substances 0.000 claims abstract description 99
- 239000002346 layers by function Substances 0.000 claims abstract description 87
- 230000003287 optical effect Effects 0.000 claims abstract description 44
- 239000003086 colorant Substances 0.000 claims abstract description 7
- 238000000265 homogenisation Methods 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 24
- 230000001788 irregular Effects 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 235000012431 wafers Nutrition 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
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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]
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses an automobile lighting device, which comprises a shell, a decorative ring and an optical system; the decorative ring is arranged in the shell; the optical system is mounted on the decorative ring; the optical system includes at least one optical unit; the optical unit comprises at least one light-emitting component and a mask wrapping the light-emitting component; the light emitting component comprises a carrier, a light guide, a functional layer and a light source; the carrier, the reflector, the light guide and the functional layer are sequentially arranged from bottom to top; the functional layer is provided with at least one layer; the light source is arranged at one end of the light guide; the light source comprises a PCB and at least one LED luminous wafer packaged on the PCB; the mask covers the surface of the functional layer and the side surfaces of the carrier, the light guide and the functional layer. The invention realizes the complex pattern display of various colors by packaging the micro-sized LED luminous wafer through the PCB, has low power consumption, low cost and long service life, and is very suitable for being used on signal lamps of automobiles.
Description
Technical Field
The present invention relates to an automotive lighting device.
Background
The current LEDs are mainly used on the car lamp and comprise common LEDs and OLEDs, the common LEDs cannot realize the display of complex patterns, and the OLEDs can display complex patterns, but have high cost. Therefore, the applicant intends to design an automotive lighting device that employs a general LED but is capable of displaying a complex pattern.
Disclosure of Invention
The invention aims to provide an automobile lighting device which adopts a common LED and can display complex figures, so that the cost of an automobile lamp is reduced.
The technical scheme for realizing the aim of the invention is as follows: an automotive lighting device comprises a housing, a decorative ring and an optical system; the decorative ring is arranged in the shell; the optical system is mounted on the decorative ring; the optical system includes at least one optical unit; the optical unit comprises at least one light-emitting component and a mask wrapping the light-emitting component; the light emitting component comprises a carrier, a light guide, a functional layer and a light source; the carrier, the reflector, the light guide and the functional layer are sequentially arranged from bottom to top; the functional layer is provided with at least one layer; the light source is arranged at one end of the light guide; the light source comprises a PCB and at least one LED luminous wafer packaged on the PCB; the mask covers the surface of the functional layer and the side surfaces of the carrier, the light guide and the functional layer.
The optical unit is provided with an upper light-emitting component and a lower light-emitting component, and the two light-emitting components emit light with different colors.
The light emitting assembly further comprises a reflector; the mirror is arranged between the carrier and the light guide.
The light emitting assembly further comprises a homogenization layer; the homogenization layer is disposed between the light guide and the functional layer.
And process layers are arranged between the reflecting mirror of the light-emitting component and the light guide, between the light guide and the homogenization layer and between the homogenization layer and the functional layer.
The homogenization layer and the functional layer of the light-emitting component are of an integrated structure.
The functional layer of the light emitting component comprises an upper functional layer and a lower functional layer; the upper surface of the upper functional layer and the upper surface of the lower functional layer are respectively provided with straight stripe textures, and the direction of the straight stripe textures of the upper functional layer is mutually perpendicular to the direction of the straight stripe textures of the lower functional layer.
And process layers are arranged between the reflecting mirror of the light-emitting component and the light guide, between the light guide and the homogenization layer and between the upper functional layer and the lower functional layer of the functional layer.
The light emitting assembly further includes a translucent layer; the semitransparent layer is arranged on the upper functional layer of the functional layer; a process layer is also arranged between the semitransparent layer and the upper functional layer; and a semitransparent metal coating is sprayed on the semitransparent layer.
A process layer is also arranged between the homogenization layer and the lower functional layer of the light-emitting component.
The bottom surface of the light guide of the light emitting component is provided with a first reflecting layer.
The bottom surface of the light guide of the light emitting assembly is provided with a plurality of irregular elements.
The mask comprises a transparent area, a partial transparent area and a non-transparent area; the periphery of the transparent area, the periphery of the partial transparent area and the space between the transparent area and the partial transparent area are all non-transparent areas.
The inner surface of the non-transparent area of the mask and the inner surface of the non-transparent part of the partial transparent area are provided with a second reflecting layer.
The preferable technical scheme is as follows: the light emitting assembly further comprises a fitting; the inner side surface of the assembly part is provided with a plurality of flanges, and clamping grooves are formed between adjacent flanges; the reflector, the light guide, the homogenization layer and the functional layer are clamped in all clamping grooves of the assembly part from bottom to top.
The reflecting mirror of the luminous component and the assembly part are of an integrated structure.
Another preferred technical scheme is as follows: the light emitting assembly further comprises a fitting; the reflector, the light guide, the homogenization layer and the functional layer are sequentially connected from bottom to top through the assembly parts.
By adopting the technical scheme, the invention has the following beneficial effects: (1) The invention realizes the complex pattern display of various colors by packaging the micro-sized LED luminous wafer through the PCB, has low power consumption, low cost and long service life, and is very suitable for being used on signal lamps of automobiles.
(2) The homogenizing layer is arranged between the light guide and the functional layer, so that different light rays can be uniformly emitted by the homogenizing layer.
(3) The inner surface of the non-transparent region of the mask and the inner surface of the non-transparent portion of the partially transparent region of the mask of the invention
The surfaces are respectively provided with a second reflecting layer which can reflect the light rays reflected from the edge of the light guide, thereby being capable of effectively
Improving the efficiency and/or uniformity of illumination.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which
Fig. 1 is a schematic structural view of embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of an optical unit according to embodiment 1 of the present invention.
Fig. 3 is a cross-sectional view A-A of fig. 2.
Fig. 4 is an enlarged view at B of fig. 3.
Fig. 5 is a schematic view showing the light distribution of the optical unit of embodiment 1 of the present invention.
Fig. 6 is a schematic view showing a first arrangement of the light source of the optical assembly of embodiment 1 of the present invention.
Fig. 7 is a schematic view showing a second arrangement of the light source of the optical assembly of embodiment 1 of the present invention.
Fig. 8 is a schematic view of a third arrangement of the light source of the optical assembly of embodiment 1 of the present invention.
Fig. 9 is a schematic view of a fourth arrangement of the light source of the optical assembly of embodiment 1 of the present invention.
Fig. 10 is a C-C cross-sectional view of fig. 9.
Fig. 11 is a schematic structural view of embodiment 2 of the present invention.
Fig. 12 is an angle distribution diagram of embodiment 2 of the present invention applied to a brake lamp.
Fig. 13 is an angle distribution diagram of example 2 of the present invention applied to a tail lamp.
Fig. 14 is a schematic view of embodiment 2 of the present invention applied to an automotive signal lamp.
Fig. 15 is a top view of fig. 14.
Fig. 16 is a schematic view of embodiment 2 of the present invention applied to a rear signal lamp of an automobile.
Fig. 17 is a top view of fig. 16.
Fig. 18 is a schematic structural view of embodiment 3 of the present invention.
Fig. 19 is an enlarged view of the position corresponding to B in fig. 3 in embodiment 4 of the present invention.
Fig. 20 is a schematic view showing a partial structure of a light emitting device according to embodiment 5 of the present invention.
Fig. 21 is an exploded view showing a part of the structure of a light emitting module according to embodiment 6 of the present invention.
Fig. 22 is a schematic partial structure of a light emitting device according to embodiment 6 of the present invention.
Fig. 23 is a first schematic distribution view of irregular elements on the bottom surface of the light guide of the light emitting assembly of embodiment 6 of the present invention.
Fig. 24 is a first schematic distribution view of irregular elements on the bottom surface of the light guide of the light emitting assembly of embodiment 6 of the present invention.
Fig. 25 is a first schematic distribution view of irregular elements on the bottom surface of the light guide of the light emitting assembly of embodiment 6 of the present invention.
Fig. 26 is a schematic view showing a part of the structure of a light emitting device according to embodiment 7 of the present invention.
Fig. 27 is a schematic view showing a part of the structure of a light emitting device according to embodiment 8 of the present invention.
Fig. 28 is a schematic view showing a part of the structure of a light emitting device according to embodiment 9 of the present invention.
Fig. 29 is a schematic view showing a partial structure of a light emitting device according to embodiment 10 of the present invention.
Fig. 30 is a schematic view showing a partial structure of a light emitting device according to embodiment 11 of the present invention.
Fig. 31 is an exploded view showing a part of the structure of a light emitting module according to embodiment 12 of the present invention.
Fig. 32 is a schematic diagram showing a partial structure of a light emitting device according to embodiment 13 of the present invention.
Fig. 33 is a schematic view showing a partial structure of a light emitting device according to embodiment 14 of the present invention.
Fig. 34 is a schematic view showing a partial structure of a light emitting device according to embodiment 15 of the present invention.
Fig. 35 is a schematic diagram showing the positions of the light source and the light guide of the light emitting device according to embodiment 16 of the present invention.
Fig. 36 is a schematic diagram showing the positions of the light source and the light guide of the light emitting device according to embodiment 17 of the present invention.
Fig. 37 is a schematic view showing a partial structure of a light emitting device according to embodiment 18 of the present invention.
The reference numerals in the drawings are:
The light emitting device comprises a housing 1, a decorative ring 2, an optical system 3, an optical unit 4, a light emitting component 5, a carrier 5-1, a reflector 5-2, a light guide 5-3, a first reflecting layer 5-3-1, an irregular element 5-3-2, a homogenizing layer 5-4, a functional layer 5-5, a light source 5-6, a process layer 5-7, a semitransparent layer 5-8, a fitting 5-9, a flange 5-9-1, a mask 6, a transparent area 6-1, a partially transparent area 6-2, a non-transparent area 6-3 and a second reflecting layer 6-4.
Detailed Description
Referring to fig. 1 to 4, the automotive lighting device of the present embodiment includes a housing 1, a bezel 2, and an optical system 3.
The decorative ring 2 is installed in the outer shell 1. The optical system 3 is mounted on the bezel 2. The optical system 3 includes an optical unit 4. The optical unit 4 includes at least one light emitting component 5 and a mask 6 coated outside the light emitting component 5.
The light emitting assembly 5 comprises a carrier 5-1, a reflector 5-2, a light guide 5-3, a homogenizing layer 5-4, a functional layer 5-5 and a light source 5-6. The carrier 5-1, the reflecting mirror 5-2, the light guide 5-3, the homogenizing layer 5-4 and the functional layer 5-5 are sequentially arranged from bottom to top. The functional layer 5-5 is provided with at least one layer. The light source 5-6 is disposed at one end of the light guide 5-3, and the light source 5-6 includes a PCB board and at least one LED light emitting chip packaged on the PCB board. The mask 6 covers the surface of the functional layer 5-5, the carrier 5-1, the mirror 5-2, the light guide 5-3, the homogenization layer 5-4 and the side surfaces of the functional layer 5-5.
The carrier 5-1 may be made of a material suitable for light reflection or at least to some extent conform to the surface finish of light reflection so that it can simultaneously fulfil the function of the mirror 5-2.
The homogenising layer 5-4 may be such that the different light rays are emitted uniformly. The material of the homogenizing layer 5-4 may be a milky light diffusing material or another surface or internal structural material may influence the direction of emission of light. The light rays passing through the homogenizing layer 5-4 and exiting from the upper surface of the homogenizing layer 5-4 may be such that the light rays are emitted in the same direction or in different directions.
Mask 6 includes transparent regions 6-1, partially transparent regions 6-2, and non-transparent regions 6-3. The periphery of the transparent region 6-1, the periphery of the partially transparent region 6-2, and the non-transparent region 6-3 between the transparent region 6-1 and the partially transparent region 6-2.
Referring to fig. 5, the optical unit 4 emits different light beams to form a light beam group, and the light intensity in the areas a, b, c and d can meet the use requirements of different automobile signal lamps.
When a plurality of LED light emitting chips are provided for the light sources 5-6:
Referring to fig. 6 (in which only the LED light emitting chips are shown for the light sources 5-6), the LED light emitting chips may be divided into two groups, such as a red group and an amber group. When the LED light-emitting chips are arranged, single LED light-emitting chips in the two groups of LED light-emitting chips are arranged at intervals, amber is used for indicating a turn signal lamp, and red is used for indicating a tail lamp/brake lamp. Light from a plurality of LEDs enters the light guide 5-3 from the entrance of the light guide 5-3.
Referring to fig. 7, the led lighting chips may be divided into three groups, such as two red groups and one amber group. When the LED luminous wafers are arranged, single LED luminous wafers in the three groups of LED luminous wafers are arranged at intervals. Amber is used to indicate a turn signal, one set of red is used to indicate a tail light, and the other set of red is used to indicate a brake light. LED light emitting chips are arranged on both sides of the light guide 5-3.
Referring to fig. 8, the led lighting chips may be divided into four groups, such as two groups of red, one group of amber, and one group of other colors (such as blue or green). The four groups are arranged on four sides of the light guide 5-3, respectively, when arranged. Amber is used to indicate turn signals, one set of red is used to indicate tail lights, another set of red is used to indicate brake lights, and other colors are suitable for vehicles that are not operating or in automatic mode.
The LED light emitting chips may be arranged as in fig. 9 and 10, and will not be described again.
Referring to fig. 11, this embodiment is substantially the same as embodiment 1 except that: the optical system 3 is composed of a plurality of optical units 4, each optical unit 4 comprising a light-emitting component 5, so that at least one functional requirement can be fulfilled.
Fig. 12 and 13 achieve the above effects by simultaneous lighting of a plurality of optical units 4
From the lumen intensity profile on fig. 12, the light distribution can be divided into several areas with virtual lines. All points on zone a of the brake lamp reached the highest lumen distribution and all point lumen values were in the range of 75% -100% of the maximum lumen value. Similarly, all point lumen values on zone b are between 50% -75% of the maximum lumen value. The lumen value of all points in zone C is in the range of 25% -50% of the maximum lumen value and the lumen value of all points in zone d is in the range of 0% -25% of the maximum lumen value.
Fig. 13 shows the light intensity angle distribution of the tail light of the automotive lighting device according to the present embodiment, the principle being similar to that of fig. 12.
Referring to fig. 14 and 15, when the automotive lighting device of the present embodiment is applied to an automotive signal lamp: the highest luminous intensity angular region of an ideal daytime running light is in the range of the inside and outside angles γh1 and γh2 of the horizontal plane, and in the range of the apex angle v1 and the lower angle v2 on the vertical plane.
Similarly, the maximum luminous intensity lumen value of the front steering lamp is fixed in the angle ranges of ∈fh1, ∈fh2, ∈fv1, ∈fv2, and the light-emitting direction and the vehicle X-axis.
The highest luminous intensity lumen value for the front position lamp is fixed in the angle range of the light luminous direction and the beta h1, beta h2, beta v1 and beta v2 of the X axis of the vehicle.
Referring to fig. 16 and 17, when the automotive lighting device of the present embodiment is applied to an automotive rear signal lamp: for example, the back brake lamp, the highest luminous intensity lumen value is fixed in the angle range of δh1, δh2, δv1 and δv2 of the light luminous direction and the vehicle X-axis.
For the rear turn signal, the highest luminous intensity lumen value is fixed in the angle ranges of +.bh1, +.bv1, +.bh2, +.bv2 of the light emitting direction and the vehicle X-axis.
Referring to fig. 18, this embodiment is substantially the same as embodiment 2 except that: each optical unit 4 is provided with upper and lower light emitting components 5, and the two light emitting components 5 emit light of different colors.
Referring to fig. 19, this embodiment is substantially the same as embodiment 1 except that: the inner surface of the non-transparent region 6-3 of the mask 6 and the inner surface of the non-transparent part of the partially transparent region 6-2 are each provided with a second reflective layer 6-4. In this embodiment, the second reflective layer 6-4 reflects light reflected back from the edge of the light guide 5-3, thereby improving the efficiency and/or uniformity of the automotive lighting device.
Referring to fig. 20, this embodiment is substantially the same as embodiment 1 except that: the light emitting assembly 5 is not provided with a homogenization layer 5-4, while the bottom surface of the light guide 5-3 is provided with a first reflection layer 5-3-1. A process layer 5-7 is arranged between the reflector 5-2 and the light guide 5-3.
The upper surface of the light guide 5-3 serves as a light exit area for emitting light rays inside the light guide 5-3. The first reflective layer 5-3-1 on the bottom surface of the light guide 5-3 may reflect light so that the light is transmitted toward the upper surface of the light guide 5-3.
Referring to fig. 21 and 22, this embodiment is substantially the same as embodiment 1 except that: the bottom surface of the light guide 5-3 of the light emitting assembly 5 is provided with a plurality of irregular elements 5-3-2. A process layer 5-7 is arranged between the reflecting mirror 5-2 of the luminous component 5 and the light guide 5-3, between the light guide 5-3 and the homogenization layer 5-4 and between the homogenization layer 5-4 and the functional layer 5-5. The process layers 5-7 in this embodiment are gaps or air.
23-25, The irregular element 5-3-2 may be adapted to different orientations of the texture with or without its areas of unconstrained force.
Referring to fig. 26, this embodiment is substantially the same as embodiment 1 except that: the lighting assembly 5 further comprises fittings 5-9. A plurality of flanges 5-9-1 are arranged on the inner side surface of the assembly part 5-9, and clamping grooves are formed between the adjacent flanges 5-9-1. The reflector 5-2, the light guide 5-3, the homogenization layer 5-4 and the functional layer 5-5 are clamped in the clamping grooves of the assembly part 5-9 from bottom to top.
Referring to fig. 27, this embodiment is substantially the same as embodiment 11 except that: the reflector 5-2 of the light emitting assembly 5 is of unitary construction with the fitting 5-9. The mirror 5-2 has a diffuse or specular reflective layer, or the mirror 5-2 itself has a diffuse or specular reflective material, or the mirror 5-2 itself has a material that changes the color of the reflected light.
Referring to fig. 28, this embodiment is substantially the same as embodiment 1 except that: the lighting assembly 5 further comprises fittings 5-9. The reflector 5-2, the light guide 5-3, the homogenization layer 5-4 and the functional layer 5-5 are connected in sequence from bottom to top by means of the assembly 5-9. The fitting 5-9 is glue or glue pad.
Referring to fig. 29, this embodiment is substantially the same as embodiment 1 except that: the homogenization layer 5-4 of the light-emitting component 5 and the functional layer 5-5 are of an integral structure. A process layer 5-7 is arranged between the reflecting mirror 5-2 and the light guide 5-3 and between the light guide 5-3 and the homogenizing layer 5-4. The process layers 5-7 in this embodiment are adhesives with low reflectivity or optical adhesives with low refractive index or surface finish.
Referring to fig. 30, this embodiment is substantially the same as embodiment 10, except that: the homogenization layer 5-4 of the light-emitting assembly 5 and the functional layer 5-5 are of a non-integral structure, but are closely adhered as one piece. A process layer 5-7 is arranged between the reflecting mirror 5-2 and the light guide 5-3 and between the light guide 5-3 and the homogenizing layer 5-4. The process layers 5-7 in this embodiment are shaped, spray coated or adhesive with a low refractive index, or the surface of the process layers 5-7 is treated with a low refractive index.
Referring to fig. 31, this embodiment is substantially the same as embodiment 6 except that: the functional layer 5-5 of the light emitting assembly 5 includes an upper functional layer 5-5-1 and a lower functional layer 5-5-2. The upper surface of the upper functional layer 5-5-1 and the upper surface of the lower functional layer 5-5-2 are both provided with straight stripe textures, and the direction of the straight stripe textures of the upper functional layer 5-5-1 is mutually perpendicular to the direction of the straight stripe textures of the lower functional layer 5-5-2. A process layer 5-7 is arranged between the upper functional layer 5-5-1 and the lower functional layer 5-5-2, and the process layer 5-7 is air.
Referring to fig. 32, this embodiment is substantially the same as embodiment 16 except that: the lower functional layer 5-5-2 of the functional layer 5-5 of the light emitting assembly 5 and the homogenization layer 5-4 are connected together at the time of production. A process layer 5-7 is arranged between the reflecting mirror 5-2 and the light guide 5-3 of the light emitting component 5, between the light guide 5-3 and the homogenizing layer 5-4, and between the upper functional layer 5-5-1 and the lower functional layer 5-5-2 of the functional layer 5-5, wherein the process layer 5-7 is air.
Referring to fig. 33, this embodiment is substantially the same as embodiment 17 except that: the light emitting assembly 5 further comprises a translucent layer 5-8. The translucent layer 5-8 is provided on the upper functional layer 5-5-1 of the functional layer 5-5. A process layer 5-7 is also arranged between the semitransparent layer 5-8 and the upper functional layer 5-5-1. The semitransparent layer 5-8 is sprayed with a semitransparent metal coating.
The translucent layer 5-8 may be a metal coating that is sprayed with a translucent coating to ensure the mirror-like appearance of the optical unit 4. The translucent layer 5-8 allows only a part of the light to pass through the functional layer 5-5. The translucent layer 5-8 covers the entire face or a part of the upper surface of the upper functional layer 5-5-1.
Referring to fig. 34, this embodiment is substantially the same as embodiment 18, except that: the lower functional layer 5-5-2 of the light emitting assembly 5 is not connected with the homogenization layer 5-4, and a process layer 5-7 is also provided between the lower functional layer 5-5-2 and the homogenization layer 5-4, the process layer 5-7 being air.
Referring to fig. 35, this embodiment is substantially the same as embodiment 1 except that: the entrance of the light guide 5-3 of the light emitting assembly 5 is designed such that the bundles of light rays emitted by the light source 5-6 enter the interior of the light guide 5-3 from the upper surface of the light guide 5-3.
Referring to fig. 36, this embodiment is substantially the same as embodiment 1 except that: the entrance of the light guide 5-3 of the light emitting assembly 5 is designed such that the bundles of light rays emitted by the light source 5-6 enter the interior of the light guide 5-3 from the lower surface of the light guide 5-3.
Referring to fig. 37, this embodiment is substantially the same as embodiment 5 except that: the bottom surface of the light guide 5-3 of the light emitting assembly 5 is provided with a plurality of irregular elements 5-3-2.
The irregular elements 5-3-2 of the light guide 5-3 may be designed in different shapes such that the beam emission direction may be perpendicular or nearly perpendicular to the light exit surface, so that the first reflective layer 5-3-1 is not necessary. In this embodiment, the functional layer 5-5 is designed to uniformly spread the light beam while achieving the function of the homogenizing layer 5-4, in addition to making the light beam perpendicular or nearly perpendicular to the light exit surface. The preferred thickness of the optical unit 4 is 0.5mm-14mm.
The automotive lighting device of the present embodiment includes a plurality of optical units 4, and the optical units 4 may be disposed in the lamp cavity, and some of the optical units 4 may satisfy the requirement of the main distribution point whereas other optical units 4 may satisfy the requirement of the viewing angle or other requirements of the designer, but all of the optical units 4 must satisfy the requirement of the single function lamp specified by the regulations.
While the foregoing is directed to embodiments of the present invention, other and further details of the invention may be had by the present invention, it should be understood that the foregoing description is merely illustrative of the present invention and that no limitations are intended to the scope of the invention, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the invention.
Claims (11)
1. An automotive lighting device, characterized in that: comprises a shell (1), a decorative ring (2) and an optical system (3); the decorative ring (2) is arranged in the shell (1); the optical system (3) is arranged on the decorative ring (2); the optical system (3) comprises at least one optical unit (4);
The optical unit (4) comprises at least two light-emitting components (5) and a mask (6) coated outside the light-emitting components (5); the light-emitting component (5) comprises a carrier (5-1), a light guide (5-3), a functional layer (5-5) and a light source (5-6); the carrier (5-1), the light guide (5-3) and the functional layer (5-5) are sequentially arranged from bottom to top; the functional layer (5-5) is provided with at least one layer; the light source (5-6) is arranged at one end of the light guide (5-3); the light source (5-6) comprises a PCB and at least one LED luminous wafer packaged on the PCB; the mask (6) is coated on the surface of the functional layer (5-5) and the side surfaces of the carrier (5-1), the light guide (5-3) and the functional layer (5-5);
an upper light-emitting component (5) and a lower light-emitting component (5) are arranged on the optical unit (4), and the two light-emitting components (5) emit light with different colors;
the light emitting assembly (5) further comprises a reflector (5-2); the reflector (5-2) is arranged between the carrier (5-1) and the light guide (5-3);
The light emitting assembly (5) further comprises a homogenizing layer (5-4); the homogenizing layer (5-4) is arranged between the light guide (5-3) and the functional layer (5-5);
The mask (6) comprises a transparent area (6-1), a partial transparent area (6-2) and a non-transparent area (6-3); the periphery of the transparent area (6-1), the periphery of the partial transparent area (6-2) and the non-transparent area (6-3) between the transparent area (6-1) and the partial transparent area (6-2); the inner surface of the non-transparent area (6-3) of the mask (6) and the inner surface of the non-transparent part of the partial transparent area (6-2) are provided with a second reflecting layer (6-4);
the light emitting assembly (5) further comprises a fitting (5-9); the inner side surface of the assembly part (5-9) is provided with a plurality of flanges (5-9-1), and clamping grooves are formed between the adjacent flanges (5-9-1); the reflector (5-2), the light guide (5-3), the homogenizing layer (5-4) and the functional layer (5-5) are clamped in all clamping grooves of the assembly part (5-9) from bottom to top.
2. An automotive lighting assembly as defined in claim 1, wherein: the process layers (5-7) are arranged between the reflecting mirror (5-2) of the light emitting component (5) and the light guide (5-3), between the light guide (5-3) and the homogenization layer (5-4) and between the homogenization layer (5-4) and the functional layer (5-5).
3. An automotive lighting assembly as defined in claim 1, wherein: the homogenization layer (5-4) and the functional layer (5-5) of the light-emitting component (5) are of an integrated structure.
4. An automotive lighting assembly as defined in claim 1, wherein: the functional layer (5-5) of the light emitting component (5) comprises an upper functional layer (5-5-1) and a lower functional layer (5-5-2); the upper surface of the upper functional layer (5-5-1) and the upper surface of the lower functional layer (5-5-2) are respectively provided with straight stripe textures, and the direction of the straight stripe textures of the upper functional layer (5-5-1) is mutually perpendicular to the direction of the straight stripe textures of the lower functional layer (5-5-2).
5. An automotive lighting assembly as set forth in claim 4 wherein: a process layer (5-7) is arranged between the reflecting mirror (5-2) of the light emitting component (5) and the light guide (5-3), between the light guide (5-3) and the homogenization layer (5-4) and between the upper functional layer (5-5-1) and the lower functional layer (5-5-2) of the functional layer (5-5).
6. An automotive lighting assembly as set forth in claim 5 wherein: the light emitting assembly (5) further comprises a translucent layer (5-8); the semitransparent layer (5-8) is arranged on the upper functional layer (5-5-1) of the functional layer (5-5); a process layer (5-7) is also arranged between the semitransparent layer (5-8) and the upper functional layer (5-5-1); and a semitransparent metal coating is sprayed on the semitransparent layer (5-8).
7. An automotive lighting assembly as set forth in claim 6 wherein: a process layer (5-7) is also arranged between the homogenization layer (5-4) and the lower functional layer (5-5-2) of the light-emitting component (5).
8. An automotive lighting assembly as defined in claim 1, wherein: the bottom surface of the light guide (5-3) of the light emitting component (5) is provided with a first reflecting layer (5-3-1).
9. An automotive lighting assembly as defined in claim 1, wherein: the bottom surface of the light guide (5-3) of the light emitting component (5) is provided with a plurality of irregular elements (5-3-2).
10. An automotive lighting assembly as defined in claim 1, wherein: the reflecting mirror (5-2) of the luminous component (5) and the assembly part (5-9) are of an integrated structure.
11. An automotive lighting assembly as defined in claim 1, wherein: the light emitting assembly (5) further comprises a fitting (5-9); the reflector (5-2), the light guide (5-3), the homogenizing layer (5-4) and the functional layer (5-5) are sequentially connected from bottom to top through the assembly part (5-9).
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810092470.3A CN108087833B (en) | 2018-01-30 | 2018-01-30 | Automobile lighting device |
| PCT/CZ2018/000038 WO2019037803A1 (en) | 2017-08-22 | 2018-08-20 | A light device of a motor vehicle |
| US16/638,415 US11047546B2 (en) | 2017-08-22 | 2018-08-20 | Light device of a motor vehicle |
| DE112018004747.4T DE112018004747T5 (en) | 2017-08-22 | 2018-08-20 | Lighting device of a motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810092470.3A CN108087833B (en) | 2018-01-30 | 2018-01-30 | Automobile lighting device |
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|---|---|
| CN108087833A CN108087833A (en) | 2018-05-29 |
| CN108087833B true CN108087833B (en) | 2024-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810092470.3A Active CN108087833B (en) | 2017-08-22 | 2018-01-30 | Automobile lighting device |
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| CN (1) | CN108087833B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11256018B2 (en) | 2019-07-03 | 2022-02-22 | Varroc Lighting Systems, s.r.o | Light assembly including an illuminating utility segment and a visual stimulant segment |
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| CN108087833A (en) | 2018-05-29 |
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| CB03 | Change of inventor or designer information |
Inventor after: Grosse Thomas Inventor after: Lucas Jacob Inventor after: Simulda Witt Inventor after: Stirarick Milan Inventor after: Kubena Vladimir Inventor before: Xin Zhonghua |
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Effective date of registration: 20180903 Address after: Czech Republic, Novo novo novio - irchen 195 Applicant after: VARROC LIGHTING SYSTEMS S.R.O. Address before: 213000 Taishan Road, Xinbei District, Changzhou, Jiangsu 228 Applicant before: VARROC-TYC AUTO LAMPS Co.,Ltd. |
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