FORM 2
THE PATENTS ACT, 1970
(39 OF 1970)
AND
THE PATENT RULES, 2003
COMPLETE SPECIFICATION
(See section 10 and rule 13)
“DAYTIME RUNNING LIGHT (DRL) UNIT FOR A LIGHT
ASSEMBLY”
We, Magneti Marelli Motherson Auto System Limited, an Indian national, of Marelli Motherson Automotive Lighting India Private Limited, Gate no- 148-150 Village Ambethan,Chakan-Talegaon Road Mahalunge ,Chakan-Pune- 410501 , Maharashtra, India.
The following specification particularly describes the invention and the manner in which it is to be performed.

TECHNICAL FIELD
The present disclosure relates to a light assembly for vehicles and more particularly, the installation of a daytime running light (DRL) of the light assembly.
BACKGROUND
This section is intended to provide information relating to the field of the invention and thus, any approach or functionality described below should not be assumed to be qualified as prior art merely by its inclusion in this section. Vehicles are commonly known to employ a light assembly, to provide ambient illumination while a user drives the vehicle. The light assembly may include, such as but not limited to a head light assembly and a tail light assembly. The head light assembly is adapted to illuminate at least a portion of road positioned in front of the vehicle, while the tail light assembly is adapted to increase the visibility of the vehicle to other vehicles positioned on rear side of the vehicle. For ease in reference, the light assembly hereinafter may be discussed as the head light assembly, however, it may be obvious to a person skilled in the art that the tail-light assembly may also have a similar and/or related structure and arrangement.
The light assembly (or the headlight assembly) is a combination of a plurality of light units, for example, a main head light unit, a fog light unit, a day time running lights (DRL) unit, an indication unit. Each such light unit has a defined function. For example, main head light unit is activated to project light on at least a portion of the road for illumination thereof, during low light conditions. Further, the day time running lights (DRL) unit is activated to project light, in order to increase the visibility of a vehicle when its main headlight unit are not activated, such as during the daytime or in mixed lighting conditions. The light assembly typically includes a base support member, to install thereon the various light units, such as but not limited to, the main head light unit and the DRL unit. The present disclosure is focused on installation of the DRL unit on to

the base support member, which is described in details hereinafter.
The base support member is suitably structured to define a first and second headlight positioning cavity, which receives a first and second main head light unit therein, for installation thereon. Additionally, the base support member includes at least one elongated curvilinear support section defining at least one elongated channel. For example, the base support member includes a first elongated curvilinear support section and a second elongated curvilinear support section, each defining an elongated channel therein. Notably, each of the at least one elongated curvilinear support section, define a plurality of first snap-fit attachment provisions defined at different locations within the at least one elongated channel, to support and install therein the DRL unit.
The DRL unit comprises of at least one light guide member, and one or more light members, such that the one or more light members project light through the light guide member and at least one light guide member for illuminating the same thereof. Notably, the at least one light guide member includes a plurality of second snap-fit attachment portions, which engages with the plurality of first snap-fit attachment provisions provided in the at least one elongated channel of the at least one elongated curvilinear support section, to install the light guide member of the DRL unit on to the base support member.
Conventionally, the plurality of second snap-fit attachment portions defined on the at least one light guide member forms a step with remaining adjacent portions of the at least one light guide member. Such step formation of the plurality of second snap-fit attachment portions causes a discontinuous illumination of light through the at least one light guide member, which causes an inconsistent appearance of the light produced by sharp deviation of the light guided through the at least one light guide member of the DRL unit.
Accordingly, there is a well felt need of an improved DRL unit that provides a relatively smooth and continuous light illumination through the at least one light guide member.

OBJECTS OF THE INVENTION
This section is intended to introduce certain objects of the disclosed assembly in a simplified form, and is not intended to identify the key advantages or features of the present disclosure.
One object of the present disclosure relates to a light assembly [100] deployed in a vehicle, the light assembly [100] comprising: a base support member comprising at least one elongated curvilinear support section defining at least one elongated channel therein, and a first plurality of snap-fit attachment provisions defined at different locations within the at least one elongated channel; and a day running light (DRL) unit installed at least partially within the at least one elongated channel defined by the curvilinear support section of the base support member, the DRL unit comprising :at least one light guide member comprising a plurality of second snap-fit attachment portions, such that the plurality of second snap-fit attachment portions of the DRL unit engage with the plurality of first snap-fit attachment provisions of the base support member to install and support the at least one light guide member within the base support member, wherein a periphery of the plurality of second snap-fit attachment portions forms a continuous and smooth integration within a periphery of adjacent remaining portions of the at least one light guide member, wherein DRL unit that provides a relatively smooth and continuous light illumination through the at least one light guide member.
BRIEF DESCIRPTION OF DRAWINGS
In order to explain the technical solution in the embodiments of the present application more clearly, the drawings used in the description of the embodiments will be briefly introduced below. It is obvious that the drawings in the following description are only some embodiments of the application. For those skilled in the art, without any creative work, other drawings can be obtained based on these drawings.

FIG. 1 illustrates a front view of a light assembly, illustrating a DRL unit installed on a base support member thereof, in accordance with the concepts of the present invention.
FIG. 2 illustrates sectional view of the light assembly of Figure 1 taken along one of a plurality of first snap-fit attachment provisions of the base support member, in accordance with the concepts of the present invention.
FIG. 3 illustrates a front close-up view of a portion of the light assembly, showing a portion of the light guide member of the DRL unit, in accordance with the concepts of the present invention.
DETAILED DESCRIPTION
In the following description, for the purposes of explanation, various specific details are set forth in order to provide a thorough understanding of embodiments of the present invention. It will be apparent, however, that embodiments of the present invention may be practiced without these specific details. Several features described hereafter can each be used independently of one another or with any combination of other features. An individual feature may not address any of the problems discussed above or might address only one of the problems discussed above. Some of the problems discussed above might not be fully addressed by any of the features described herein. Exemplified embodiments of the present invention are described below, as illustrated in various drawings in which like reference numerals refer to the same parts throughout the different drawings.
The embodiments of the present invention relate to a light assembly [100] for vehicles, wherein the light assembly adapted to illuminate at least a portion of road positioned in front of the vehicle. In particular, the light assembly [100] employees a daytime running light (DRL) unit [110], wherein the DRL unit [110] is capable of producing continuous and smooth light illumination thereof.
FIG. 1 illustrates a front view of a light assembly [100], in accordance with the concepts of the present invention. FIG. 2 illustrates a sectional view of the

light assembly [100] of Figure 1, in accordance with the concepts of the present invention. FIG. 3 shows a front close-up view of a portion of the light assembly [100], in accordance with the concepts of the present invention. Figures 1, 2, and 3, should be referred to in conjunction with each other, in order to clearly understand the concepts of the present disclosure. The light assembly [100] is a conventionally know light assembly of a vehicle, which projects light on a section of the road while a user drives the vehicle. The light assembly [100] may include, such as but not limited to, a head light assembly and a tail light assembly. The head light assembly [100] is adapted to illuminate at least a portion of road positioned in front of the vehicle, while the tail light assembly is adapted to increase the visibility of the vehicle to other vehicles positioned on rear side of the vehicle. For ease in reference and understanding, the light assembly [100] hereinafter will be discussed as the head light assembly, however, it may be obvious to a person skilled in the art that the tail-light assembly, may also have a similar and/or related structure and arrangement. The light assembly [100] comprises a base support member [102], and a plurality of light units installed and supported on the base support member [102] thereof. The plurality of light units includes, such as but not limited to, a main head light unit, a fog light unit, an indicator unit, and/or a day running light (DRL) unit [110]. For ease in reference and understanding, the main head light unit, a fog light unit, an indicator unit, and their installation on the base support member [102], is not shown and described in the present disclosure. Notably, the present disclosure is focused on installation of the DRL unit [110] on to the base support member [102], which is described in details hereinafter. Although, the disclosure hereinafter shall describe the installation of the DRL unit [110] on to the base support member [102], it may be obvious to a person skilled in the art that the installation of the remaining light unit on the base support member [102] is made by conventional known means mechanisms. Further, present disclosure describes vehicle broadly, it may be obvious to a person skilled in the art that the

vehicle may include, but not limited to passenger vehicles, commercial vehicles, light trucks, sport utility vehicles (SUVs), heavy duty vehicles, minivans, conversion vans, buses, boats, trains, etc.
The base support member [102] is made of a thermoplastic material, and is adapted to support and install the DRL unit [110]. The base support member [102] defines a top elongated support section [102a], a first elongated curvilinear support section [102b] extending from the top elongated support section [102a], and a second elongated curvilinear support section [102c] extending from the top elongated support section [102a]. The second elongated curvilinear support section [102c] merges into the first elongated curvilinear support section [102b]. The first and second elongated curvilinear support section [102b, 102c], in combination with the top elongated support section [102a], defines a first headlight positioning cavity [104a] and second headlight positioning cavity [104b], to receive and support at least one headlight member of the main headlight unit (not shown in figure) therein. Further, each of the first elongated curvilinear support section [102b] and the second elongated curvilinear support section [102c], includes at least one elongated channel [106] therein, wherein each of the at least one elongated channel [106] defines a plurality of first snap-fit attachment provisions [108a] to receive and install the DRL unit [110]. The base support member [102] includes a plurality of mounting brackets (e.g., snap fasteners, mounting tabs, threaded bolt cavities, etc.) at which the base support member [102] is mounted to the rest of the vehicle structure. Further, the base support member [102] also includes a plurality of mounting provisions [116] for mounting a plurality of accessories thereon, and a plurality of mounting brackets [118] for mounting the base support member [102] of the light assembly [100] onto the vehicle.
The day running light (DRL) unit [110] is light deployed, which upon activation increases the visibility of a vehicle to drivers of the oncoming vehicle by directing light in a forward direction, and is visible during the daytime or in

mixed lighting conditions. The DRL unit [110] comprises one or more light members [112] and at least one light guide member [114], such that the one or more light members [112] is positioned on one end of the at least one light guide member [114]. The one or more light members [112] project light through the light guide member [114] and the at least one light guide member [114], for illuminating the same thereof. The one or more light members [112] maybe a Light Emitting Diode (LED) light source, however, it may be obvious to a person skilled in the art that that the light members may include, but is not limited to, a florescent bulb, LED array, etc. The one or more light members [112] of the DRL unit [110] comprises a first light source (not shown in figure) to luminate the at least one light guide member [114] with white light, and a second light source (not shown in figure) to luminate the at least one guide member with amber light.
In the present disclosure, the at least one light guide member [114] includes two (2) light guide members, namely a first light guide member [114a] and a second light guide member [114b], positioned and installed on the first elongated curvilinear support section [102b] and the second elongated curvilinear support section [102c], respectively. Further, each of the at least one light guide member [114] comprises of a plurality of second snap-fit attachment portions [108b] defined at various locations on the at least one light guide member, such that the plurality of second snap-fit attachment portions engages with the plurality of first snap-fit attachment provisions [108a] provided in the at least one elongated channel [106] of the at least one elongated curvilinear support section, to install the at least one light guide member [114] of the DRL unit [110] onto the base support member [102].
Furthermore, the light guide member [114] being made of transparent or translucent material enables the projection of light guided therein to external environment The at least one light guide member [114] comprises the first light guide member and the second light guide member, wherein the first and second

light guide member comprises a plurality of second snap-fit attachment portions [108b] to install and support the at least one light guide member [114] on to the base support member [102]. Furthermore, a periphery of the plurality of snap-fit attachment portions forms a continuous and smooth integration within a periphery of adjacent remaining portions of the at least one light guide member [114].
In operation, during the daytime or mixed light conditions, the DRL unit [110] of the light assembly [100] is activated, by activation of the one or more light members [112], resulting in illumination of light through the at least one light guide member [114]. As the periphery of the plurality of second snap-fit attachment portions [108b] forms a continuous and smooth integration within a periphery of adjacent remaining portions of the at least one light guide member [112], it is observed that the light illuminated by the light guide member is continuous thereof. Accordingly, the DRL unit [110] enhances the visibility of the car by providing smooth and continuous light illumination through the at least one light guide member [112].
While the preferred embodiments of the present invention have been described hereinabove, it should be understood that various changes, adaptations, and modifications may be made therein without departing from the spirit of the invention and the scope of the appended claims. It will be obvious to a person skilled in the art that the present invention may be embodied in other specific forms without departing from its spirit or essential characteristics. The described embodiments are to be considered in all respects only as illustrative and not restrictive.
LIST OF COMPONENTS
100 - Light assembly
102 - Base support member
102a - Top elongated support section
102b - First elongated curvilinear support section

102c - Second elongated curvilinear support section
104a - First headlight positioning cavity
104b - Second headlight positioning cavity
106 - Elongated channel
108a - First snap-fit attachment provisions
108b - Second snap-fit attachment portions
110 - Day time running light (DRL) unit
112 - Light members
114 - Light guide member
114a - First light guide member
114b- Second light guide member
116 - Mounting provisions
118 -Mounting brackets

We claim:
1. A light assembly [100] deployed in a vehicle, the light assembly [100]
comprising:
a base support member [102] comprising at least one elongated curvilinear support section [102b,102c] defining at least one elongated channel [106] therein, and a first plurality of snap-fit attachment provisions defined at different locations within the at least one elongated channel [106]; and
a day running light (DRL) unit [110] installed at least partially within the at least one elongated channel [106] defined by the curvilinear support section of the base support member [102], the DRL unit [110] comprising:
at least one light guide member [114] comprising a plurality of second snap-fit attachment portions [108b], such that the plurality of second snap-fit attachment portions [108b] of the DRL unit [110] engage with the plurality of first snap-fit attachment provisions [108a] of the base support member [102] to install and support the at least one light guide member [114] within the base support member [102], wherein
a periphery of the plurality of second snap-fit attachment portions [108b] forms a continuous and smooth integration within a periphery of adjacent remaining portions of the at least one light guide member [114].
2. The light assembly [100] as claimed in claim 1, wherein the DRL unit [110] comprises one or more light members [112] positioned on one end of the at least one light guide member, to project light through and luminate the at least one light guide member.
3. The light assembly [100] as claimed in claim 2, wherein the one or more light members [112] of the DRL unit [110] comprises a first light source to

luminate the at least one light guide member [114] with white light
4. The light assembly [100] as claimed in claim 2, wherein the one or more light members [112] of the DRL unit [110] comprises a second light source to luminate the at least one guide member with amber light.
5. The light assembly [100] as claimed in claim 1, wherein the at least one light guide member [114] of the DRL unit [110] is formed of a transparent material, to enable projection of light guided therein to external environment.
6. The light assembly [100] as claimed in claim 1, wherein the at least one elongated curvilinear support section [102b,102c] comprises a first light guide member [114a] and a second guide member [114b], such that the base support member [102] defines a first headlight positioning cavity [104a] and second headlight positioning cavity [104b] thereof.
7. The light assembly [100] as claimed in claim 1, wherein the base support member [102] includes a plurality of mounting brackets [118] for mounting the light assembly [100] on to the vehicle.
8. The light assembly [100] as claimed in claim 1, wherein the base support member [102] further includes a plurality of mounting provisions [116] for mounting a plurality of accessories thereon.