Embodiment of the present invention relates to automotive lighting systems and more particularly to a rear registration plate lamp with a single chip led.
BACKGROUND OF THE INVENTION
Electric lighting systems are one of the most important aspects of automobiles, be it two-wheelers, four-wheelers, etc. The electric lighting system is used for the various function of automobiles. For example, an electric lighting system may be one of headlamps, auxiliary lamps, parking lights in front, taillights in the rear, rear registration plate lamp. Nowadays the rear registration plate lamp is one of the focused areas for automobile companies. The rear registration plate lamp is an important part of the automobile lighting system. The rear registration plate lamp helps the automobile users to see another automobile and its license plate. The rear registration plate lamp is helpful for the police to identify the culprit through the help of visible rear registration or license plate. The rear registration plate lamp is also useful for the cameras to catch a clear view of the rear registration plate by using an available light source.
The white lamp is used for the illumination of the rear registration plate. The white lamp requires a larger packaging size for the electrical connection. The white lamps consume more electric energy and have a short lifetime. These drawbacks make the white lamps less efficient light sources. The traditional white lamp also produces slightly yellowish light and has low brightness.
Therefore, there is a need in the art for a rear registration plate lamp with single chip led that does not suffer from above-mentioned deficiencies and provide an effective and viable solution.
OBJECT OF THE INVENTION
The object of the proposed invention is to provide a rear registration plate lamp with a single chip led.
Another object of the present invention is to provide a compact size rear registration plate lamp.
Yet another object of the present invention is to provide less energy-consuming rear registration plate lamp.
Yet another object of the present invention is to provide a rear registration plate lamp having a long lifespan.
SUMMARY OF THE INVENTION
Embodiments of the present invention aim to provide the rear registration plate lamp assembly for a vehicle.
According to an aspect of the present invention a rear registration plate lamp with single chip LED comprises a housing having a plurality of grooves a printed circuit board (PCB), comprising a plurality of holes on surface of the PCB, contained in the housing, fastened using a first groove of the plurality of grooves, one or more single chip Light-emitting diodes (LED) embedded in the PCB and electrically connected with the PCB, one or more screws configured to combine the PCB with the housing, one or more lenses placed directly above the single chip LED, a plurality of wires attached in the back of the housing using a wire grommet, through a third groove of the plurality of grooves, configured to provide an electrical connection between the PCB and an electric power source, Further the wire grommet positioned behind the housing, configured to protect and seal the plurality of wires passing through the wire grommet, and a mounting insert to mount the lamp on a vehicle, to provide a stable position to the rear registration plate on the vehicle.
In accordance with an embodiment of the present invention, the one or more lens is configured to provide protection cover to the LED.
In accordance with an embodiment of the present invention, the one or more lens having a diffuser surface, configured to scatter the light beam of the LED to produce bright visible light.
In accordance with an embodiment of the present invention, the PCB is attached to the housing using the one or more screws.
In accordance with an embodiment of the present invention, the diffuser surface of the one or more lens is designed to scatter received light from the single chip LED. Furthermore, the diffuser surface of the one or more lens comprises a plurality of facets configured to scatter the incident light in multiple directions. In addition, the scattered light provides an output light which falls over the surface of the rear registration plate.
In accordance with an embodiment of the present invention, the PCB is packed inside the lamp and configured to manage heat dissipation without breathers.
In accordance with an embodiment of the present invention, the lamp comprises a seal disposed on the second groove for sealing purpose after checking for any leakage.
BRIEF DESCRIPTION OF THE DRAWINGS
So that the manner in which the above recited features of the present invention can be understood in detail, a more particular to the description of the invention, briefly summarized above, may be had by reference to embodiments, some of which are illustrated in the appended drawings. It is to be noted, however, that the appended drawings illustrate only typical embodiments of this invention and are therefore not to be considered limiting of its scope, the invention may admit to other equally effective embodiments.
These and other features, benefits and advantages of the present invention will become apparent by reference to the following text figure, with like reference numbers referring to like structures across the views, wherein:
Fig. 1 illustrates an exploded view of a rear registration plate lamp with single chip LED, in accordance with an embodiment of the present invention;
Fig. 2A illustrates an assembled rear registration plate lamp with single chip LED, in accordance with an embodiment of the present invention;
Fig. 2B illustrates a perspective view of the rear registration plate lamp with single chip LED, in accordance with an embodiment of the present invention;
Fig. 3A illustrates a lens of the lamp, in accordance with an embodiment of the present invention;
Fig. 3B illustrates a cross-sectional view of the lamp, in accordance with an embodiment of the present invention;
Fig. 3C illustrates a diffuser surface of the lens, in accordance with an embodiment of the present invention; and
Fig. 4 illustrates a working of the registration plate lamp with single chip LED, in accordance with an embodiment of the present invention.
DETAILED DESCRIPTION OF THE DRAWINGS
While the present invention is described herein by way of example using embodiments, those skilled in the art will recognize that the invention is not limited to the embodiments of drawing or drawings described and are not intended to represent the scale of the various components. Further, some components that may form a part of the invention may not be illustrated in certain figures, for ease of illustration, and such omissions do not limit the embodiments outlined in any way. It should be understood that the drawings and detailed description thereto are not intended to limit the invention to the particular form disclosed, but on the contrary, the invention is to cover all modification/s, equivalent/s and alternative/s falling within the scope of the present invention as defined by the appended claim. The headings used herein are for organizational purposes only and are not meant to be used to limit the scope of the description or the claim. As used throughout this description, the word "may" is used in a permissive sense (i.e., meaning having the potential to), rather than the mandatory sense (i.e., meaning must). Further, the words "a" or "an" means "at least one” unless otherwise mentioned. Furthermore, the terminology and phraseology used herein is solely used for descriptive purposes and should not be construed as limiting in scope. Language such as "including", "comprising", "having", "containing", or "involving" and variations thereof, is intended to be broad and encompass the subject matter listed thereafter, equivalents, and additional subject matter not recited, and is not intended to exclude other additives, components, integers or steps. Likewise, the term "comprising" is considered synonymous with the terms "including" or "containing" for applicable legal purposes. Any discussion of documents, acts, materials, devices, articles and the likes are included in the specification solely for the purpose of providing a context for the present invention. It is not suggested or represented that any or all of these matters form part of the prior art base or were common general knowledge in the field relevant to the present invention.
In this disclosure, whenever an element or a group of elements is preceded with the transitional phrase “comprising”, it is understood that we also contemplate the same composition, element or group of elements with transitional phrases “consisting of”, “consisting”, “selected from the group of consisting of”, “including”, or “is” preceding the recitation of the composition, element or group of elements and vice versa.
This invention described herein may be embodied in many different forms and should not be construed as limited to the embodiment set forth herein. Rather, the embodiment is provided so that this disclosure will be thorough and complete and will fully convey the scope of the invention to those skilled in the art. In the following description, numeric values and ranges are provided for various aspects of the implementations described. These values and ranges are to be treated as examples only and are not intended to limit the scope of the claims. In addition, a number of materials are identified as suitable for various facets of the implementations. These materials are to be treated as exemplary and are not intended to limit the scope of the invention.
In accordance with an embodiment of the present invention, a rear registration plate lamp with a single chip LED (108) is described. Figure 1 illustrates an exploded view of a rear registration plate lamp with single chip LED (108). As shown in figure 1, the rear registration plate lamp comprises a housing (102), one or more Light-emitting diodes (LED) (108), printed circuit board (PCB) (106), one or more screws (110), one or more lens (112), a wire grommet (114), a seal (116) and a mounting insert (118). The PCB (106) is designed in a way to manage and work in space constraints i.e., in small size packaging & control the heat dissipation inside the lamp (100) without using breather.
As shown in figure 1, the housing (102) is configured to house the PCB (106). The housing (102) is envisaged to comprise a plurality of grooves. The plurality of grooves is used to fasten the PCB (106). In a preferred embodiment, a first groove (104) of the plurality of grooves is used to fasten the PCB (106). The PCB (106) may be fastened with the housing (102) using a snap fit mechanism using latches or may be bolted using nuts and bolts or may be fused with the PCB (106) forming a single structure. Further, as shown in figure 1, the PCB may be attached with the housing (102) using the one or more screws (110). The material for housing (102) may be, but not limited to, polycarbonate, polypropylene, polybutylene terephthalate, Acrylonitrile butadiene styrene (ABS), nylon.
Further, as shown in figure 1, the one or more single chip Light-emitting diodes (LED) (108) are embedded in the PCB (106). The PCB (106) may be, but not limited to, a single layer, double layer, multi-layer, Rigid-PCB, flexible, Rigid-Flex, High-frequency, Aluminium-backed. The single chip LED (108) are electronically connected with the PCB (106). The PCB may be configured to regulate an electrical supply to the single chip LED (108). The PCB may enable an adjustment of intensity of light produced by the single chip LED (108).
In one embodiment, as shown in figure 1, the PCB (106) comprise a plurality of holes (1061). The plurality of holes (1061) may be present on the surface of the PCB (106). The plurality of holes (1061) are configured to provide space for the one or more screws (110). The one or more screws (110) may pass through the plurality of holes (1061) to fix onto the housing (102). The plurality of holes (1061) may further be configured to fix the PCB (106) with the housing (102) using the one or more screws (110). The PCB (106) may be fixed with the housing (102) using, but not limited to, snap fit mechanism, screws, adhesives, nuts and bolts.
Figure 2A illustrates an assembled rear registration plate lamp (100) with single chip LED (108), in accordance with an embodiment of the present invention. As shown in figure 2A, the one or more lens (112) may be disposed above the PCB (106) and the single chip LED (108). The one or more lens (112) may be configured to provide protection cover to the single chip LED (108). Further, one or more lens (112) is used to scatter the light beam of the LED (108) to produce bright visible light. The one or more lens (112) maybe, but not limited to plane, a faceted lens, a concave lens, a convex lens, a compound lens, a fraunhofer lens, or a fresnel lens, biconvex (or double convex) lens, equiconvex lens, biconcave (or concave) lens, plano-convex or plano-concave lens, convex-concave lens, meniscus lens, or aspheric lens.
In accordance with an embodiment of the present invention, the PCB (106) is attached to the housing (102) using connection means such as screws (110), bolts, rivets etc. In an additional or alternative embodiment, the one or more screws (110) are configured to connect to the rear registration plate lamp assembly.
In accordance with an embodiment of the present invention, the seal (116) is attached in the back portion of the housing (102), proximal to a second groove (107) of the plurality of grooves. The seal (116) is disposed on the second groove (107) for sealing purpose after checking for leakage. Further, the wire grommet (114) is positioned behind the housing (102). The wire grommet (114) may pass through a third groove (105) of the plurality of grooves (104, 105, 107) to facilitate a plurality of wires (202) from the PCB (106) to the vehicle ECU. The plurality of wires (202) provide an electrical connection between the PCB (106) and the electric power source.
Figure 2B illustrates a perspective view (200) of the rear registration plate lamp (100) with single chip LED (108), in accordance with an embodiment of the present invention. As shown in figure 2B, a plurality of wires (202) passes from the PCB (106) through the housing (102). The wires (202) are input and output to electronic control unit (ECU) of a vehicle. The ECU (not shown) may be configured for providing power and operational instructions to the single chip LED (108). The wire grommet (114) is configured to protect and seal the wire (202) passing through it from the mechanical and chemical wear tear. The material of wire grommet (114) may be, but not limited to, highly durable and flexible plastic, rubber, fiber, or metal. The wire (202) may be, but not limited to, Polyvinyl Chloride (PVC), GPT wire, TWP wire, and the like.
In accordance with an embodiment of the present invention, as shown in figure 2A, the mounting insert (118) is used to mount the rear registration plate lamp (100) assembly on the vehicle. The mounting insert (118) is configured to provide a stable position to the rear registration plate lamp (100) on the vehicle. The mounting insert (118) is designed to easily change the mounting position of the rear registration plate mounting lamp (100) according to the mounting requirements. In an additional or alternative embodiment of the present invention, the lamp (100) may be mounted proximal to the registration plate (402) using may be, but not limited to, snap fit mechanism, rivets, screws, resins, adhesives, nuts and bolts. The mounting may be change to different arrangements according to the vehicle requirements. Further, figure 3A illustrates one or more lens (112) of the lamp (100), in accordance with an embodiment of the present invention. As shown in figure 3A, the one or more lens (112) is directly placed over the single chip LED (108). The portion of the one or more lens (112) above the single chip LED (108) is a diffuser surface (302) of the lens so as to scatter the light from the single chip LED (108). The diffuser surface (302) may have a plurality of slope facets, drag facets and edges in order to enhance the diffusion of incident light. The one or more lens (112) is designed in such a pattern that the light is scattered and directed towards the registration plate (402). In an additional or alternative embodiment, the lens may be, but not limited to, a faceted lens, a concave lens, a convex lens, a compound lens, a fraunhofer lens, or a fresnel lens.
Furthermore, figure 3B illustrates a cross-sectional view of the lamp (100), in accordance with an embodiment of the present invention. As shown in figure 3B, the one or more lens (112) have a diffuser surface (302) towards the single chip LED (Towards zone B, shown in figure 3B). As shown in figure 3B, the single chip LED (108) is in direct contact with the diffuser surface (302) resulting in an efficient scattering of light without losing intensity of the light from the single chip LED (108). Moreover, figure 3C illustrates the diffuser surface (302) of the one or more lens (112), in accordance with an embodiment of the present invention. As shown in figure 3C, the one or more lens (112) is having a plurality of angular facets substantiating a variety of angles towards a plurality of edges present on the lens (112). The angles of the facets maybe slope facets and draft facets range from, but not limited to, 2° to 12°. In a preferred embodiment, the angles may be 3° and 10° for optimistic scattering of the light.
The invention works in following manner:
In accordance with an embodiment of the present, the LED (108) is embedded in the PCB (106). Figure 4 illustrates a working of the registration plate lamp (100) with single chip LED (108), in accordance with an embodiment of the present invention. the lamp (100) may be mounted on the vehicle using mounting inserts (118). The mounting inserts (118) may be drilled onto a vehicle surface above the registration plate (402). However, it may be appreciated by a skilled addressee that the lamp (100) may be mounted according to the vehicle requirement as per the plate position. In an additional or alternative embodiment, the lamp may be mounted using snap fit mechanism, rivets, screws, nuts and bolts.
Next, the PCB (106) is inside the housing (102). The housing (102) is connected to the PCB (106). When vehicle is switched on by a user, the plurality of wires (202) in the wire grommet (114) are configured to obtain power from the vehicle ECU and supplies the electric power to the PCB (106). In an alternate embodiment, the user may manually give command to power the LED (108). The PCB (106) supply electric power to the LED (108) provided by the electric power source. Further, the PCB (106) may enable a change in intensity of the light on the command of the user. Furthermore, in an additional or alternative embodiment, the PCB (106) may control a lighting pattern and timing of the single chip LED illumination.
The single chip LED (108) receives the power to produce the light. The LED (108) may be integrated on the one or more lens (112). The material for the one or more lenses (112) may be, but not limited to, glass, polycarbonate, silicon, Polycarbonate (PC), Acrylonitrile Butadiene Styrene (ABS), Polypropylene (PP), Polymethyl Methacrylate (PMMA) and Polyethylene terephthalate (PET). The lens (112) receives the light of the LED (108). The surface of the lens (112) is designed to scatter the received light. The diffuser surface (302) having a plurality of facets such as slope facets and draft facets at predefined angles that may scatter light. The scattered light provides better light output. The facets then aims the light passing through it in a specific direction, such that all the beams from all the facets together make the requested external distribution of light. The output light falls over the surface of the rear registration plate (402), to light the surface of the plate (402) without creating white light directly visible to the rear of the vehicle.
In addition, as shown in figure 4, the registration plate (402) may be tilted at an angle. As shown in figure 4, the registration plate (402) may be at an angle a. The angle may be predefined based on the visibility of the registration plate (402) from behind. The predefined angle of the registration plate (402) may be based on the incident light on the registration plate (402). The light from the LED is made incident on the registration plate (402) so as to ease a visibility of the registration plate (402). Further, the light from the single chip LED should not fall beyond the surface area of the registration plate (402).
The present invention provides a number of advantages. Firstly, a rear registration plate lamp with single chip led of the present invention solves the problem of the prior art by using a single chip Led. The present invention uses LED (108) as a power source as a result of providing the better whiter colour of light and much lesser consumption of battery (energy source). The present invention also provides the compact size and longest lifespan rear registration plate lamp (100). The compact size and less power consumption of the present invention make it a cost-effective solution to the problems of the prior art. Further, the unique design of the lens limits the light scattered restricted over the registration plate (402).
Various modifications to these embodiments are apparent to those skilled in the art from the description and the accompanying drawings. The principles associated with the various embodiments described herein may be applied to other embodiments. Therefore, the description is not intended to be limited to the embodiments shown along with the accompanying drawings but is to be provided broadest scope consistent with the principles and the novel and inventive features disclosed or suggested herein. Accordingly, the invention is anticipated to hold on to all other such alternatives, modifications, and variations that fall within the scope of the present invention and the appended claims.

We Claims:

1.A rear registration plate lamp (100) with single chip LED, the lamp (100) comprising:
a housing (102), having a plurality of grooves (104, 105, 107);
a printed circuit board (PCB) (106), comprising a plurality of holes (1061) on surface of the PCB (106), contained in the housing (102), fastened using a first groove (104) of the plurality of grooves (104, 105, 107);
one or more single chip Light-emitting diodes (LED) (108) embedded in the PCB (106) and electrically connected with the PCB (106);
one or more screws (110) configured to combine the PCB (106) with the housing (102);
one or more lenses (112) placed directly above the single chip LED (108);
a plurality of wires (202) attached in the back of the housing (102) using a wire grommet (114), through a third groove (105) of the plurality of grooves (104, 105, 107), configured to provide an electrical connection between the PCB (106) and an electric power source;
wherein the wire grommet (114) positioned behind the housing (102), configured to protect and seal the plurality of wires (202) passing through the wire grommet (114); and
a mounting insert (118) to mount the lamp (100) on a vehicle, to provide a stable position to the rear registration plate (402) on the vehicle.
2. The lamp (100) as claimed in claim 1, wherein the one or more lens (112) is configured to provide protection cover to the LED (108).
3. The lamp (100) as claimed in claim 1, wherein the one or more lens (112) having a diffuser surface (302), configured to scatter the light beam of the LED (108) to produce bright visible light.
4. The lamp (100) as claimed in claim 1, wherein the PCB (106) is attached to the housing (102) using the one or more screws (110).
5. The lamp (100) as claimed in claim 1, wherein the diffuser surface of the one or more lens (112) is designed to scatter received light from the single chip LED (108);
wherein the diffuser surface of the one or more lens (112) comprises a plurality of facets configured to scatter the incident light in multiple directions;
wherein the scattered light provides an output light which falls over the surface of the rear registration plate (402).
6. The lamp (100) as claimed in claim 1, wherein the PCB (106) is packed inside the lamp (100) and configured to manage heat dissipation without breathers.
7. The lamp (100) as claimed in claim 1 comprising a seal (116) disposed on the second groove (107) for sealing purpose after checking for any leakage.