CN117190121A - Electrochromic lamp and car lamp system - Google Patents
Electrochromic lamp and car lamp system Download PDFInfo
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- CN117190121A CN117190121A CN202311080347.7A CN202311080347A CN117190121A CN 117190121 A CN117190121 A CN 117190121A CN 202311080347 A CN202311080347 A CN 202311080347A CN 117190121 A CN117190121 A CN 117190121A
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- light
- electrochromic
- electrochromic film
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- 230000003287 optical effect Effects 0.000 claims abstract description 30
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- 239000000463 material Substances 0.000 description 5
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- 238000005286 illumination Methods 0.000 description 3
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- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 238000000862 absorption spectrum Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
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- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
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- 230000036651 mood Effects 0.000 description 1
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- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The application provides an electrochromic lamp and a car lamp system, comprising: the device comprises a circuit board, a light source driving module, an electrochromic film, an electrochromic driving module and an optical element; the light source is arranged on the circuit board and driven by the light source driving module; the optical element is arranged between the light source and the outer lampshade, the electrochromic film is arranged on the surface of the optical element, and the electrochromic film is driven by the electrochromic driving module. The lamp disclosed by the application has wider applicability and is suitable for various continuously-changed lamp surface models.
Description
Technical Field
The application relates to the technical field of automobile lamps, in particular to an electrochromic lamp and a lamp system.
Background
Electrochromic phenomenon refers to the phenomenon that a material is stably and reversibly changed under the action of an external electric field. Electrochromic is essentially a phenomenon that a material undergoes oxidation-reduction reaction under the action of an external electric field and current, so that the structure of the material is changed, and further, the absorption spectrum and optical properties (such as absorptivity, transmissivity and reflectivity) are changed, and the material is expressed as reversible changes in color and transparency in appearance. In recent years, electrochromic devices are widely used in the fields of energy saving windows, automobile rearview mirrors, display devices, mobile terminals, and the like. The existing electrochromic film can be cut into any shape at will, and can meet the requirement of changing the shape of each matrix point of the matrix light effect.
In the field of car light illumination, the requirements of customers on ISD intelligent interaction light systems are increased in recent years, the ISD technology is that each LED can be independently controlled through a plurality of LED light sources (3) distributed in a matrix mode, so that the whole lamp can display different colors, shapes, characters and even expression packages like an LED screen, different shapes can be projected on the ground while the illumination requirements are met, user definition can be achieved, the moods of car owners are expressed through car lights, and cool visual effects are achieved.
Disclosure of Invention
Aiming at the defects in the prior art, the application aims to provide an electrochromic lamp and a car lamp system.
According to the application, an electrochromic lamp comprises: the device comprises a circuit board, a light source driving module, an electrochromic film, an electrochromic driving module and an optical element;
the light source is arranged on the circuit board and driven by the light source driving module;
the optical element is arranged between the light source and the outer lampshade, the electrochromic film is arranged on the surface of the optical element, and the electrochromic film is driven by the electrochromic driving module;
the light emitted by the light source reaches the optical element, and the light passing through the optical element is emitted from the outer lampshade.
Preferably, the optical element is a matrix light guide or an endoscope.
Preferably, the optical element includes a light guiding unit and a non-light guiding unit;
the light guide unit is provided with a first light emergent surface, the non-light guide unit is provided with a second light emergent surface, and the electrochromic film is arranged on the first light emergent surface.
Preferably, the condenser of the light guiding unit is aligned to the light source, and part of light emitted by the light source enters the light guiding unit through the condenser.
Preferably, the first light emitting surface has a greater height along the light emitting direction than the second light emitting surface.
Preferably, the first light emitting surface is provided with a diffusion pattern.
Preferably, the first light emitting surface is provided with a first electrochromic film, and the second light emitting surface is provided with a second electrochromic film.
Preferably, the light source is a plurality of LED light sources;
energizing the first electrochromic film through the electrochromic driving module, and when the second electrochromic film is not energized, illuminating a preset LED light source, wherein the lamp presents a preset pattern through the first light-emitting surface;
and electrifying the second electrochromic film through the electrochromic driving module, and when the first electrochromic film is not electrified, illuminating a preset LED light source, wherein the lamp presents a preset pattern through the second light emitting surface.
Preferably, when the electrochromic film is conducted through the electrochromic driving module, the electrochromic film is discolored, the first light-emitting surface is in a shading effect, the second light-emitting surface is in a normal light-emitting state, and the whole light-emitting surface of the lamp presents an ISD effect;
the electrochromic film is rendered the same color or other color as the second light-emitting surface when the electrochromic film is not turned on.
The application also provides a car lamp system comprising the electrochromic lamp.
Compared with the prior art, the application has the following beneficial effects:
1. compared with the automobile lamp which is regulated by a light guide structure or various shading structures in the prior art, the realization scheme of the application has wider applicability and is suitable for various continuously-changed lamp surface models;
2. the application provides a brand new scheme for realizing the ISD display effect, which selectively realizes the ISD display effect or enables the overall color of the surface of the lamp to be consistent by changing the transmissivity and the color of the electrochromic film, thereby obviously improving the appearance of the lamp;
3. the lamp has a simple system, and the number of optical elements can be obviously reduced, so that the weight of the whole lamp is reduced.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic side view of an electrochromic light fixture with a matrix light guide for the optical elements;
FIG. 2 is a schematic side view of an electrochromic light fixture with an optical element that is an endoscope;
FIG. 3 is a front view of an electrochromic light fixture in one embodiment;
FIG. 4 is a front view of an electrochromic light fixture in another embodiment;
fig. 5 is a schematic structural view of a electrochromic film having a first light-emitting surface and a second light-emitting surface.
The figure shows:
the first light exit surface 5 of the rectangular light guide 1
Second light-emitting surface 6 of inner lens 2
Light source 7 of light guide unit 3
Circuit board 8 of non-light guiding unit 4
Detailed Description
The present application will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present application, but are not intended to limit the application in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present application.
Example 1:
as shown in fig. 1 to 5, the present embodiment provides an electrochromic lamp, including: the light source 7 is arranged on the circuit board 8, the light source 7 is driven by the light source driving module, the optical element is arranged between the light source 7 and the outer lampshade, the electrochromic film is arranged on the surface of the optical element, and the electrochromic film is driven by the electrochromic driving module. The optical element is a matrix light guide 1 or an endoscope 2. The light source is a plurality of LED lamps, and the controller of the light source driving module can independently control the lighting of each LED lamp. The light emitted from the light source 7 reaches the optical element, and the light passing through the optical element is emitted from the outer cover.
The optical element comprises a light guide unit 3 and a non-light guide unit 4, wherein a first light emergent surface 5 is arranged on the light guide unit 3, a second light emergent surface 6 is arranged on the non-light guide unit 4, and the electrochromic film is arranged on the first light emergent surface 5. The condenser of the light guiding unit 3 is aligned with the light source 7, and part of the light emitted by the light source 7 enters the light guiding unit 3 through the condenser.
The first light exit surface 5 has a height in the light exit direction that is larger than the second light exit surface 6. The first light exit surface 5 is provided with a diffusing pattern. The first light-emitting surface 5 is provided with a first electrochromic film and the second light-emitting surface 6 is provided with a second electrochromic film.
When only the first light exit surface 5 is provided with an electrochromic film: the light source 7 is a plurality of LED light sources. Electrifying a first electrochromic film through an electrochromic driving module, and when a second electrochromic film is not electrified, illuminating a preset LED light source, wherein the lamp presents a preset pattern through a first light emitting surface 5; the second electrochromic film is electrified through the electrochromic driving module, when the first electrochromic film is not electrified, a preset LED light source is lightened, and the lamp presents a preset pattern through the second light emitting surface 6.
When both the first light exit surface 5 and the second light exit surface 6 are provided with electrochromic films: when the electrochromic film is turned on through the electrochromic driving module, the electrochromic film is discolored, the first light-emitting surface 5 is in a shading effect, the second light-emitting surface 6 is in a normal light-emitting state, and the whole light-emitting surface of the lamp presents an ISD effect; when the electrochromic film is not turned on, the electrochromic film is rendered the same color as the second light-emitting surface 6 or another color.
The embodiment also provides a car lamp system, which comprises the electrochromic lamp.
Working principle:
the embodiment provides a new scheme of realizing ISD technique, realizes ISD display effect through electrochromic film is supplementary, simultaneously, this embodiment provides a selectable car light outward appearance display effect, and electrochromic film discolours when electrochromic film work, shelters from the light of LED, and lamps and lanterns show to ISD effect, and when not switching on electrochromic film, electrochromic film does not take place to discolour, can show transparent or with the colour of surrounding luminous surface the same, makes lamps and lanterns present unanimous outward appearance colour, reaches the visual effect unanimous with the automobile body.
A light source driving module: and controlling the turning-on and turning-off and the turning-on sequence of the LEDs according to the instruction signals of the CPU. An electrochromic driving module: the electrochromic film is controlled to be turned on or off in accordance with a command signal from the CPU. The electrochromic film comprises a transparent conductive layer, an electrolyte layer, an electrochromic layer and the like, wherein the transparent conductive layer mainly influences the light transmittance and mainly controls the optical property and the electronic conductivity of the transparent conductive layer oxide; the main parameter of the dielectric layer is ion conductivity, which determines the speed and uniformity of electrochromic film discoloration; the electrochromic layer is a core layer, the richness of the color of the electrochromic film is determined, different materials are different in color state under the neutral state and the oxidation condition, and the electrochromic driving module controls the state of the electrochromic film by changing the ion state of different layers in the electrochromic film.
The implementation scheme of the embodiment can be conveniently applied to a scene that the lamp molding surface is a curved surface, and compared with an automobile lamp which is adjusted through a light guide structure or various shading structures in the prior art, the implementation scheme of the embodiment of the application has wider applicability and is suitable for various continuously-changed lamp surface molding.
Example 2:
the present embodiment will be understood by those skilled in the art as a more specific description of embodiment 1.
As shown in fig. 1, the present embodiment provides an electrochromic lamp, where the electrochromic lamp of the present embodiment realizes an ISD display effect system with assistance of an electrochromic film, and the electrochromic lamp of the present embodiment includes: the display device comprises a circuit board, an LED light source, an LED driving module, an electrochromic film, an electrochromic driving module and a matrix light guide or an internal lens, wherein the LED driving module and the electrochromic driving module are not shown.
Connection relation: the LED light sources are arranged on the circuit board, the LED light sources are driven by the LED driving module, and the controller of the LED driving module can independently control the LED light sources to be lightened.
Matrix light guides or endoscopes: the light guide unit is arranged between the light source and the outer lampshade and comprises a light guide unit 3 and a non-light guide unit 4, a condenser of the light guide unit 3 is aligned with the LED light source, the condenser can enable light rays from the LED light source to enter the light guide unit of the matrix light guide as much as possible, and an electrochromic film is arranged on the first light emitting surface 5 of the light guide unit 3.
Electrochromic film: when the electrochromic driving module is used for driving, and an optical element is taken as a matrix light guide, as shown in fig. 1, an electrochromic film is arranged at the position of the first light emitting surface 5, and when an LED is lightened, light is firstly focused through a condenser, at the moment, if the electrochromic film is turned on, the electrochromic film changes color, the first light emitting surface 5 is in a shading effect due to the color change of the electrochromic film, and the second light emitting surface 6 is in a normal light emitting state, so that the whole light emitting surface of the car lamp can show an ISD effect; if the electrochromic film is not turned on, the electrochromic film appears to remain the same color as the second light-emitting surface 6 or another color, and the lamp may appear to a viewer around the vehicle body as a uniform color visual effect or a cool matrix effect.
When the optical element is the endoscope 2, as shown in fig. 2, when the LED is turned on, if the electrochromic film is turned on, the electrochromic film changes color, the first light emitting surface 5 is in a light shielding effect due to the color change of the electrochromic film, and the second light emitting surface 6 is in a normal light emitting state, so that light can directly penetrate through the second light emitting surface 6, and the whole light emitting surface of the vehicle lamp can show an ISD effect; if the electrochromic film is not turned on, the electrochromic film appears to remain the same color as the second light-emitting surface 6 or another color, and the lamp may appear to a viewer around the vehicle body as a uniform color visual effect or a cool matrix effect.
The configuration of the first light exit surface 5 and the second light exit surface 6 includes: the height h2 of the second light emitting surface 6 is greater than the height h1 of the second light emitting surface 6, so that the light mixing length of the single light guiding unit 1 can be increased, and meanwhile, the light guiding units 1 can be connected through the non-light guiding units 2, and the integrated injection molding can be realized. Or the height h2 of the first light exit surface 5 is smaller than the height h1 of the second light exit surface 6, or the height h2 of the first light exit surface 5 is equal to the height h1 of the second light exit surface 6.
As shown in fig. 3, in a front view of the electrochromic lamp, that is, in fig. 1, the first light-emitting surface 5 and the second light-emitting surface 6 are viewed from top to bottom, and the shapes of the first light-emitting surface 5 and the second light-emitting surface 6 and the gap between the first light-emitting surface 5 and the second light-emitting surface 6 can be adaptively adjusted according to the modeling of the lamp.
The first light emitting surface 5 further comprises a diffusion pattern, so that the light emitted from the first light emitting surface 5 can present a more uniform lighting effect.
In other embodiments, the first light-emitting surface 5 and the second light-emitting surface 6 may each be provided with an electrochromic film, and when the first light-emitting surface 5 is energized and the second light-emitting surface 6 is not energized, the specified LED is turned on, the lamp may present a specified illumination animation pattern by the first light-emitting surface 5, and when the first light-emitting surface 5 is not energized and the second light-emitting surface 6 is energized, the specified LED is turned on, and the lamp may present a specified animation pattern by the second light-emitting surface 6.
The application provides a brand new scheme for realizing the ISD display effect, and the transmittance and the color of the electrochromic film are changed to selectively realize the ISD display effect or make the overall color of the surface of the lamp consistent, so that the appearance of the car lamp is obviously improved.
In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
The foregoing describes specific embodiments of the present application. It is to be understood that the application is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the application. The embodiments of the application and the features of the embodiments may be combined with each other arbitrarily without conflict.
Claims (10)
1. An electrochromic light fixture, comprising: a circuit board (8), a light source (7), a light source driving module, an electrochromic film, an electrochromic driving module, and an optical element;
the light source (7) is arranged on the circuit board (8), and the light source (7) is driven by the light source driving module;
the optical element is arranged between the light source (7) and the outer lampshade, the electrochromic film is arranged on the surface of the optical element, and the electrochromic film is driven by the electrochromic driving module;
the light emitted by the light source (7) reaches the optical element, and the light passing through the optical element is emitted from the outer lampshade.
2. Electrochromic light fixture according to claim 1, characterized in that the optical element is a matrix light guide (1) or an endoscope (2).
3. Electrochromic light fixture according to claim 2, characterized in that the optical element comprises a light guiding unit (3) and a non-light guiding unit (4);
the light guide unit (3) is provided with a first light emergent surface (5), the non-light guide unit (4) is provided with a second light emergent surface (6), and the electrochromic film is arranged on the first light emergent surface (5).
4. An electrochromic light fixture according to claim 3, characterized in that the light collector of the light guiding unit (3) is aligned to the light source (7), part of the light emitted by the light source (7) entering the light guiding unit (3) through the light collector.
5. An electrochromic light fixture according to claim 3, characterized in that the first light exit surface (5) has a greater height in the light exit direction than the second light exit surface (6).
6. An electrochromic light fixture according to claim 3, characterized in that the first light exit surface (5) is provided with a diffusing pattern.
7. An electrochromic light fixture according to claim 3, characterized in that the first light exit surface (5) is provided with a first electrochromic film and the second light exit surface (6) is provided with a second electrochromic film.
8. Electrochromic light fixture according to claim 7, characterized in that the light source (7) is a plurality of LED light sources;
energizing the first electrochromic film through the electrochromic driving module, and when the second electrochromic film is not energized, illuminating a preset LED light source, wherein the lamp presents a preset pattern through the first light emitting surface (5);
and electrifying the second electrochromic film through the electrochromic driving module, and when the first electrochromic film is not electrified, illuminating a preset LED light source, wherein the lamp presents a preset pattern through the second light emitting surface (6).
9. An electrochromic light fixture according to claim 3, characterized in that when the electrochromic film is turned on by the electrochromic driving module, the electrochromic film is made to change color, the first light-emitting surface (5) shows a shading effect, the second light-emitting surface (6) is in a normal light-emitting state, and the whole light-emitting surface of the light fixture shows an ISD effect;
the electrochromic film is rendered the same color as the second light-emitting surface (6) or another color when the electrochromic film is not turned on.
10. A vehicle lamp system comprising an electrochromic light fixture as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311080347.7A CN117190121A (en) | 2023-08-24 | 2023-08-24 | Electrochromic lamp and car lamp system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311080347.7A CN117190121A (en) | 2023-08-24 | 2023-08-24 | Electrochromic lamp and car lamp system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117190121A true CN117190121A (en) | 2023-12-08 |
Family
ID=88986150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311080347.7A Pending CN117190121A (en) | 2023-08-24 | 2023-08-24 | Electrochromic lamp and car lamp system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117190121A (en) |
-
2023
- 2023-08-24 CN CN202311080347.7A patent/CN117190121A/en active Pending
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