CN111237712A - Vehicle lamp pixelization lighting display system and vehicle lamp - Google Patents
Vehicle lamp pixelization lighting display system and vehicle lamp Download PDFInfo
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- CN111237712A CN111237712A CN202010130550.0A CN202010130550A CN111237712A CN 111237712 A CN111237712 A CN 111237712A CN 202010130550 A CN202010130550 A CN 202010130550A CN 111237712 A CN111237712 A CN 111237712A
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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]
- F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
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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]
- F21S41/155—Surface emitters, e.g. organic light emitting diodes [OLED]
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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
- F21S41/16—Laser light sources
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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
- F21S41/25—Projection lenses
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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
- F21S41/25—Projection lenses
- F21S41/265—Composite lenses; Lenses with a patch-like shape
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
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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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- 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]
- F21Y2115/15—Organic light-emitting diodes [OLED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to a car lamp lighting system, and discloses a car lamp pixelization lighting display system which comprises a plurality of light emitting chips (2) arranged in an array mode, a plurality of first lens groups (3) and second lens groups (4) which are located on the same circuit board (1) and correspond to the light emitting chips (2) one by one, wherein the light emitting chips (2), the first lens groups (3) and the second lens groups (4) are sequentially arranged along a light path, and the light emitting chips (2) are located in one-time focal length of the corresponding first lens groups (3). The vehicle lamp pixelized illumination display system can enable the light-emitting chips to be seamlessly assembled and fused on the imaging boundary of the conjugate plane, and is convenient for volume miniaturization. The invention also discloses the car lamp.
Description
Technical Field
The invention relates to a vehicle lamp lighting system, in particular to a vehicle lamp pixelized lighting display system, and further relates to a vehicle lamp.
Background
With the development of the automobile lamp industry, the requirement of traffic participants on safe and comfortable illumination is difficult to meet by single road illumination, and the requirements of human-vehicle interaction and human-human interaction information are higher and higher. The novel intelligent car lamp system capable of realizing matrix type illumination and pixel display is gradually applied to the car.
The existing high pixel MATRIX (MATRIX) module scheme based on Digital Light Processing (DLP) or Liquid Crystal Display (LCD) has a small resolution angle, can realize continuous change pixel illumination, can provide softer light type change, combines different road conditions, and realizes high pixel illumination and display simultaneously. But the system has complex structure, large design and processing difficulty, strict requirements on an optical-mechanical-electrical system and high requirements on a control module; the two schemes have high cost, high price and large difficulty in mass production.
In order to reduce the cost, an existing technical scheme is to use a pixelized LED capable of actively emitting light and controlling gray level change of each pixel point, project light beams through a lens optical system, the projected light beams are a plurality of spatially continuous light beams capable of controlling gray level change in the illumination space of the whole headlamp, and the combination of a certain number of pixel projected light beams realizes pixel illumination and display. However, the brightness and the viewing angle of the projected light beam of the single package LED adopted in this technical solution are restricted, and under the condition of a fixed light emitting area and a fixed luminous flux, the larger the viewing angle is, the larger the projected image is, the lower the brightness is, that is, the higher the brightness is, the smaller the viewing angle is, the larger the viewing angle is, the lower the brightness is, and if the brightness needs to be ensured and the illumination viewing angle needs to be expanded, a plurality of LED arrays are needed. LED needs the encapsulation, and the LED product light emitting area that encapsulates has certain distance to the encapsulation border, and many LED pasters are on the circuit board, even do not have the gap behind the encapsulation product paster between the encapsulation border, also have one section distance between the LED light emitting area, if directly throw away, the light type that different LED formed can have great dark space in the region outside the stack plane.
Disclosure of Invention
The invention aims to solve the technical problem of providing a vehicle lamp pixelized lighting display system, which can effectively solve the problem of splicing and fusing of a light-emitting chip which cannot be seamlessly packaged on an imaging boundary of a conjugate plane and is convenient for volume miniaturization.
The present invention further provides a vehicle lamp, which extends the angle of view of the lighting and display of the vehicle lamp, improves the resolution of the lighting and display of the vehicle lamp, and facilitates the miniaturization design of the vehicle lamp.
In order to achieve the above object, a first aspect of the present invention provides a vehicle lamp pixelized lighting display system, which includes a plurality of light emitting chips arranged in an array on a same circuit board, and a plurality of first lens groups and second lens groups corresponding to the light emitting chips one to one, where each of the light emitting chips, the first lens groups, and the second lens groups are sequentially disposed along an optical path, and each of the light emitting chips is located within one focal length of the corresponding first lens group.
Preferably, the light emitting chip comprises a packaging structure and a light emitting surface positioned on the packaging structure, and a gap is reserved between adjacent edges of the light emitting surface.
Preferably, the first lens group and the second lens group each comprise one or more lenses disposed along an optical path.
Preferably, the first lens group includes a first lens and a second lens disposed along an optical path, and the first lens and the second lens form a lens group or a double cemented lens.
More preferably, the number of the light emitting chips is two, the light emitting areas or the light emitting modes of the two light emitting chips are different, and the two light emitting chips correspond to the two first lens groups with different refractive indexes and/or dispersion coefficients one by one, so that images emitted through the two first lens groups and the second lens group in sequence are seamlessly fused.
Specifically, the second lens group includes a third lens, a fourth lens, a fifth lens and a sixth lens, which are sequentially disposed along a light path, the third lens and the fourth lens are connected to form a double cemented lens, the fifth lens is a meniscus lens, and the sixth lens is a biconvex lens.
Typically, each of the light emitting chips is connected to the same control system.
Typically, each of the light emitting chips is one or more of an LED chip, an OLED (organic light emitting diode) chip, and a laser light emitting chip.
A second aspect of the present invention provides a vehicular lamp comprising the vehicular lamp pixilated lighting display system according to any one of the above-mentioned technical solutions of the first aspect.
According to the technical scheme, the light-emitting chips are arranged in one focal length of the corresponding first lens group in a targeted manner, so that after light rays emitted by the light-emitting chips are refracted by the corresponding first lens group, the edges of adjacent virtual images on the same side of the light-emitting chips can be seamlessly fused relative to the first lens group; the light is refracted through the second lens group to form an emergent light shape, so that the emergent light shape is formed like the light emitted by a virtual image when the light is seen against a light path, and the edges of adjacent emergent light shapes can be seamlessly fused; the lighting and displaying field angle of the car lamp is expanded, the lighting and displaying resolution of the car lamp is improved, and the car lamp is convenient to design in a miniaturized mode.
In addition, the first lens group and the second lens group can be formed by one or more lenses arranged along the optical path, and the aberration can be well eliminated.
Further advantages of the present invention, as well as the technical effects of preferred embodiments, are further described in the following detailed description.
Drawings
FIG. 1 is a schematic diagram of the optical principles of one embodiment of the present invention;
FIG. 2 is a schematic view of a structure in which a light emitting chip is mounted on a circuit board according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of projection image surface stitching fusion according to an embodiment of the present invention;
FIG. 4 is an object-image relationship axis diagram of an optical system in accordance with an embodiment of the present invention;
FIG. 5 is a schematic diagram of an optical configuration of another embodiment of the present invention;
fig. 6 is a schematic diagram of the optical path of fig. 5.
Description of the reference numerals
1 Circuit board
2 luminous chip 21 packaging structure
22 gap of luminous surface G
3 first lens group 31 first lens
32 second lens
4 third lens of second lens group 41
42 fourth lens 43 fifth lens
44 sixth lens
51 first real image 52 second real image
61 first virtual image 62 second virtual image
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
It should be noted that, in the following description of the technical solution of the present invention, the adopted orientation word is defined by a technical definition that the illumination emitting direction of the vehicle lamp pixelized illumination display system is taken as an orientation reference, wherein one end where the light emitting chip 2 is located is the rear, and the opposite end is the front, and in fig. 1, the two first lens groups 3 are arranged in parallel in the left-right direction. However, the terms "front", "rear", "left" and "right" do not refer to the front, rear, left and right directions that the respective optical elements necessarily have, and in the actual installation situation, the respective optical elements may have different orientation expressions due to different installation positions of the vehicle lamp pixelized illumination display system, and the front, rear, left and right orientations of the respective optical elements themselves are defined, and do not constitute a limitation to the protection range of the vehicle lamp pixelized illumination display system of the present invention.
Furthermore, the terms "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, and therefore, the features defined as "first", "second", "third", "fourth", "fifth", "sixth" may explicitly or implicitly include one or more of the features described.
The existing pixelization lighting module adopts a single packaged LED, the LED is arranged at the focus position of an optical element, in order to expand the lighting visual angle, a plurality of LED arrays are generally adopted for arrangement, in order to ensure the brightness, technicians in the field are used to superpose light type parts emergent from adjacent LEDs through optical design, however, because gaps exist between the adjacent LEDs, the light type can be only superposed to form a required image on a certain plane in space by the design, uncontrollable gaps can be generated in the front area of the superposition of the space light type, and the image resolution of the area outside the superposed plane is influenced; the invention provides a novel vehicle lamp pixelization lighting display system in a targeted manner, wherein the light emitting chips 2 are creatively arranged in one focal length of the corresponding first lens group 3, and the emergent light type formed by refraction of the second lens group 4 is formed as if the light rays emitted by the virtual images corresponding to the light emitting chips 2 are emitted by the virtual images corresponding to the light emitting chips 2 when the light paths are seen against the light paths, wherein the adjacent edges of the adjacent virtual images in the virtual images corresponding to the light emitting chips 2 are seamlessly fused, so that the adjacent edges of the corresponding emergent light type formed by refraction of the second lens group 4 can also be seamlessly fused, the lighting and displaying resolution is improved, and the lighting and displaying view field is also expanded.
The following describes the pixelated illumination display system of the present invention.
As shown in fig. 1 to 4, the vehicle lamp pixelized lighting display system according to the basic embodiment of the present invention includes a plurality of light emitting chips 2 arranged in an array, a plurality of first lens groups 3 and a second lens group 4, each of the first lens groups 3 corresponds to each of the light emitting chips 2 one by one, each of the light emitting chips 2 can be mounted on the same circuit board 1, each of the light emitting chips 2, each of the first lens groups 3 and the second lens group 4 are sequentially disposed along an optical path, and each of the light emitting chips 2 is located within one focal length of the corresponding first lens group 3.
In the basic embodiment, the light emitted by each light emitting chip 2 is refracted by the corresponding first lens group 3, and since each light emitting chip 2 is located within one focal length of the corresponding first lens group 3, the virtual image formed by the first lens group 3 is located behind the first lens group 3 with reference to the first lens group 3, that is, the light emitting chip 2 is located on the same side as the virtual image, and the distance between the virtual image and the first lens group 3 is greater than the distance between the light emitting chip 2 and the first lens group 3; wherein, the adjacent edges of the adjacent virtual images are seamlessly spliced and fused; light that each luminescence chip 2 sent is via the 3 refraction backs of the first battery of lens that correspond, form the emergent light type via the 4 refractions of a second battery of lens again, look against the light path, the emergent light type is like the light formation by the virtual image outgoing, because the edge seamless of adjacent virtual image fuses, each emergent light type can seamlessly fuse on the conjugate face of a second battery of lens 4, form clear image, each emergent light type in the space in conjugate face the place ahead still is the state that seamless concatenation fuses, can not produce clearance and light type alternately, resolution ratio with promotion illumination and demonstration.
In order to facilitate an understanding of the basic embodiments of the present invention, further description will be given below with reference to specific configurations.
Specifically, as shown in fig. 2, the light emitting chip 2 includes a package structure 21 and a light emitting surface 22, the light emitting surface 22 is located on the package structure 21, and an adjacent edge of an adjacent light emitting surface 22 has a gap G.
In order to concisely and thoroughly illustrate the technical idea of the present invention, the following description is mainly based on the case of two light emitting chips 2.
Referring to fig. 1 and 4, two light emitting chips 2 respectively correspond to one first lens group 3, the light emitting chips 2 are arranged along the optical axis of the first lens group 3 and are located within one focal length of the first lens group 3, a first virtual image 61 and a second virtual image 62 can be correspondingly formed behind the first lens group 3, and adjacent edges of the first virtual image 61 and the second virtual image 62 are seamlessly spliced and fused; the first real image 51 and the second real image 52 can be formed on the front conjugate surface of the second lens group 4 via the second lens group 4, respectively, the first real image 51 and the second real image 52 are formed as if they were formed by light rays emitted from the first virtual image 61 and the second virtual image 62, that is, the first real image 51 and the second real image 52 are formed in the projection space via the second lens group 4, and as shown in fig. 3, the first real image 51 and the second real image 52 can also be seamlessly spliced and fused together.
Wherein, the first lens group 3 and the second lens group 4 may each be composed of one or more lenses disposed along an optical path.
In order to better understand the technical solution of the present invention, the optical principle of the present invention is explained below.
Let the light emitting size X Y of the light emitting surface 22 of the light emitting chip 2, there is a package around the light emitting chip 2, and the distance G between the light emitting surfaces 22 of the two light emitting chips 2 has the following geometric optics principle formula:
where l is the object distance of the light emitting chip 2 from the first lens group 3, l 'is the image distance of the first virtual image 61 of the light emitting chip 2 passing through the first lens group 3 from the first lens group 3, f' is the focal length of the first lens group 3, β is the magnification of the object-image relationship, and the size of the magnified first virtual image 61 is X 'Y', and similarly, the same applies to the second virtual image 62, and if the first virtual image 61 and the second virtual image 62 are to be seamlessly joined, X + G is X ', and in the present optical field, it is known that the light exiting direction from the first lens group 3 to the second lens group 4 is positive and the opposite direction is negative, i.e., l and l' are negative, based on the principal plane of the lenses of the first lens group 3.
Similarly, if the two light emitting chips 2 have different sizes, correspondingly, the focal lengths of the two first lens groups 3 are different, and the magnifications are different, so that the seamless splicing of the first virtual image 61 and the second virtual image 62 can be finally integrated.
Further, in a preferred embodiment, as shown in fig. 5, the first lens group 3 may be composed of a first lens 31 and a second lens 32 disposed along the optical path, and the first lens 31 and the second lens 32 may form a lens group or form a double cemented lens; in addition, the second lens group 4 may be composed of a third lens 41, a fourth lens 42, a fifth lens 43 and a sixth lens 44 sequentially arranged along the optical path, the third lens 41 and the fourth lens 42 may also form a lens group or form a double cemented lens, the fifth lens 43 is a meniscus lens, and the sixth lens 44 is a biconvex lens. Due to the defects of the materials, the manufacturing process and certain characteristics of the light, the lens has aberration phenomena of different degrees, and therefore, the aberration can be eliminated to the maximum extent through the combination of the plurality of lenses.
It should be noted that the light emitting chip 2 may be one or more of an LED chip, an OLED chip, and a laser light emitting chip formed by laser and phosphor. Further, the light emitting surface 22 of the light emitting chip 2 may be an array of light emitting units that can be controlled to turn on or off individually, or an array of light emitting spots that are laser scanned to emit phosphor.
Moreover, in order to reduce the cost of the control system and avoid the problems of signal mutual interference and control delay caused by adopting a plurality of control systems, the light emitting chips 2 can be controlled by adopting the same control system.
The above technical solutions are further described with reference to specific data to better understand the technical concepts of the present invention.
Two LED chips are packaged on the circuit board 1 and controlled by the same control system, a first lens group 3 is correspondingly arranged right in front of the two LED chips respectively, and a second lens group 4 is arranged in front of the two first lens groups 3; the sizes of the light emitting surfaces 22 of the two LED chips are 4mm × 4mm, the distance between the boundary of the package structure 21 and the adjacent edge of the light emitting surface 22 on the package structure 21 is 1mm, the distance between the adjacent boundaries of the two package structures 21 is 2mm, that is, the gap G between the adjacent edges of the two light emitting surfaces 22 is 4 mm; the distance between the light emitting surface 22 and the first lens group 3 is 2.4mm, the sizes of the first virtual image 61 and the second virtual image 62 formed by the two first lens groups 3 are 8mm multiplied by 8mm, and the first virtual image 61 and the second virtual image 62 can be seamlessly spliced and fused in space; correspondingly, the first real image 51 and the second real image 52 formed by the second lens group 4 can also be seamlessly spliced and fused on the conjugate plane, the imaging is clearest, and the seamless splicing and fusing state can still be kept in the projection space in front of the conjugate plane.
In the above technical solution, the same light emitting chips 2 and the same first lens group 3 are taken as examples to illustrate the technical concept of the present invention, and it can be understood that the light emitting chips 2 and the first lens group 3 may have different combination manners, and the light emitting areas or the light emitting manners of the light emitting chips 2 may be different, for example, some of the light emitting chips 2 adopt LED chips, some of the light emitting chips 2 adopt OLED chips, and the other of the light emitting chips 2 adopt laser light emitting chips formed by laser and phosphor powder; the first lens group 3 correspondingly adopts different specific structural designs, and seamless splicing and fusion of adjacent edges of the emergent light types can be realized.
As shown in fig. 1 to 6, a vehicle lamp pixelized lighting display system according to a preferred embodiment of the present invention includes two light emitting chips 2 arranged in an array, two first lens groups 3 and a second lens group 4, each first lens group 3 corresponds to each light emitting chip 2 one by one, each light emitting chip 2, each first lens group 3 and the second lens group 4 are sequentially disposed along a light path, each light emitting chip 2 includes a package structure 21 and a light emitting surface 22, the light emitting surface 22 is located on the package structure 21 and located within a focal length twice of the corresponding first lens group 3, the light emitting chips 2 are mounted on the same circuit board 1 through the package structure 21 and controlled by the same control system, thereby reducing the cost of the control system and avoiding the problems of signal mutual interference and control delay caused by adopting two control systems; the light emitted by the light emitting chip 2 can pass through the first lens 31 and the second lens 32 which are arranged along the light path of the corresponding first lens group 3, the formed first virtual image 61 and the second virtual image 62 can be spliced and fused seamlessly, and then pass through the third lens 41, the fourth lens 42, the fifth lens 43 and the sixth lens 44 which are arranged along the light path of the second lens group 4 in sequence, so that the formed first real image 51 and the second real image 52 can be spliced and fused seamlessly correspondingly; therefore, the visual field of illumination and display of the intelligent car lamp is expanded, the resolution of illumination and display of the intelligent car lamp is improved, the size is small, the brightness is improved, the design is reasonable, the operation is convenient, and the practicability is high.
The vehicle lamp of the present invention includes the vehicle lamp pixelized lighting display system according to any one of the above-mentioned technical solutions, and therefore, at least has all the advantages brought by the technical solutions of the above-mentioned vehicle lamp pixelized lighting display system embodiments.
The chip with a certain light-emitting area and light-emitting brightness increases the larger the field angle, the larger the projected picture is, the brightness is reduced, and the small field angle cannot meet the requirement; the invention integrates a plurality of small field angles with high brightness into a vehicle lamp pixelized lighting display system with high brightness and large field angle, in particular, a plurality of light-emitting chips 2 and a plurality of first lens groups 3 which are in one-to-one correspondence can be made into a module with only one optical outlet only by one group of second lens groups 4, the model design of the vehicle lamp module in a vehicle factory is more convenient, and the vehicle lamp module assembly during the production of a lamp is easier to operate.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, numerous simple modifications can be made to the technical solution of the invention, including combinations of the individual specific technical features in any suitable way. The invention is not described in detail in order to avoid unnecessary repetition. Such simple modifications and combinations should be considered within the scope of the present disclosure as well.
Claims (9)
1. The car lamp pixelization lighting display system is characterized by comprising a plurality of light emitting chips (2) arranged in an array mode, a plurality of first lens sets (3) and second lens sets (4), wherein the first lens sets (3) and the second lens sets (4) are located on the same circuit board (1) and correspond to the light emitting chips (2) one to one, the light emitting chips (2), the first lens sets (3) and the second lens sets (4) are sequentially arranged along a light path, and the light emitting chips (2) are located in one-time focal length of the corresponding first lens sets (3).
2. The vehicle light pixelated illumination display system of claim 1, characterized in that the light emitting chip (2) comprises an encapsulation structure (21) and a light emitting face (22) on the encapsulation structure (21), adjacent edges adjacent the light emitting face (22) having a gap (G).
3. The vehicle light pixelated illumination display system of claim 1, characterized in that the first lens group (3) and the second lens group (4) each comprise one or more lenses arranged along an optical path.
4. The vehicular lamp pixelated illuminated display system according to claim 1, characterized in that the first lens group (3) comprises a first lens (31) and a second lens (32) arranged along the optical path, the first lens (31) and the second lens (32) forming a lens group or forming a double cemented lens.
5. The pixelated illumination display system for the vehicle lamp according to any one of claims 1 to 4, characterized in that the number of the light emitting chips (2) is two, and the two light emitting chips (2) have different light emitting areas or light emitting modes, and the two light emitting chips (2) are in one-to-one correspondence with the two first lens groups (3) with different refractive indexes and/or dispersion coefficients, so that images emitted sequentially through the two first lens groups (3) and the second lens group (4) are seamlessly fused.
6. The vehicle light pixelated illumination display system according to any of the claims 1 to 4 characterized in that the second lens group (4) comprises a third lens (41), a fourth lens (42), a fifth lens (43) and a sixth lens (44) arranged in sequence along the optical path, the third lens (41) and the fourth lens (42) are connected to form a double cemented lens, the fifth lens (43) is a meniscus lens and the sixth lens (44) is a double convex lens.
7. The pixelated illumination display system of a vehicle light according to any of claims 1 to 4, characterized in that each of the light emitting chips (2) is connected to the same control system.
8. The vehicle light pixelated illumination display system of any one of claims 1 to 4, characterized in that each of the light emitting chips (2) is one or more of an LED chip, an OLED chip and a laser light emitting chip.
9. A vehicle light comprising a vehicle light pixelated illumination display system according to any of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010130550.0A CN111237712A (en) | 2020-02-28 | 2020-02-28 | Vehicle lamp pixelization lighting display system and vehicle lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010130550.0A CN111237712A (en) | 2020-02-28 | 2020-02-28 | Vehicle lamp pixelization lighting display system and vehicle lamp |
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| Publication Number | Publication Date |
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| CN111237712A true CN111237712A (en) | 2020-06-05 |
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| CN202010130550.0A Pending CN111237712A (en) | 2020-02-28 | 2020-02-28 | Vehicle lamp pixelization lighting display system and vehicle lamp |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114719221A (en) * | 2021-01-06 | 2022-07-08 | 华域视觉科技(上海)有限公司 | Lens subassembly, car light module, car light and vehicle |
| WO2023015531A1 (en) * | 2021-08-12 | 2023-02-16 | 华域视觉科技(上海)有限公司 | Vehicle pixelated lighting device, vehicle lamp, and vehicle |
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2020
- 2020-02-28 CN CN202010130550.0A patent/CN111237712A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114719221A (en) * | 2021-01-06 | 2022-07-08 | 华域视觉科技(上海)有限公司 | Lens subassembly, car light module, car light and vehicle |
| WO2023015531A1 (en) * | 2021-08-12 | 2023-02-16 | 华域视觉科技(上海)有限公司 | Vehicle pixelated lighting device, vehicle lamp, and vehicle |
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