Abstract: The Lunnark Decorative Acrylic Lat Luminaire System advances lighting technology with its innovative design for both functional and decorative purposes. The system is built around a milled aluminium housing (1) incorporating a driver cavity (8), adeptly housing an LED driver for efficient operation. Integral to its design is a solid frosted acrylic diffuser (3) with threading (13), ensuring easy attachment and uniform light distribution. The system also features an LED (2) optimally placed and thermally adhered in the LED PCB resting area (14) for superior heat dissipation. Key elements include countersunk screws (5) for a sleek assembly, and a wall fixing bracket (4) with mounting holes (11) and a cable pass-through hole (12) for effortless installation. The design also incorporates a pass-through hole (9) for LED power cable (15) connectivity. This system, ideal for varied lighting applications, combines efficiency, functionality, and aesthetic appeal.
Description:It should be understood that the figures are merely schematic and are not drawn to scale. It should also be understood that the same reference numerals are used throughout the figures to indicate the same or similar parts.
The present invention pertains to the field of lighting technology, with a specific focus on luminaire design and development. This area of technology encompasses the study and creation of lighting devices that are not only functional in terms of illumination but also efficient in energy consumption, effective in thermal management, and aesthetically pleasing. The luminaire field has evolved considerably with the advent of LED technology, which has brought about significant changes in how lighting solutions are designed and implemented in various environments, ranging from residential and commercial spaces to artistic and outdoor settings.
The field of luminaire design has faced several challenges that have limited the functionality and aesthetic appeal of lighting solutions. Traditional luminaires, particularly those utilizing incandescent or fluorescent technologies, often suffered from inefficient energy use, inadequate heat management, and limited lifespan. The introduction of LED technology marked a significant advancement, offering greater energy efficiency and longer operational life. However, new challenges emerged, particularly in the integration of LEDs into luminaire designs that effectively manage heat dissipation, provide uniform light distribution, and fit seamlessly into modern architectural aesthetics.
A major problem in contemporary luminaire design is achieving a balance between efficient light emission and heat management. LEDs, while energy-efficient, generate heat that need to be effectively dissipated to maintain functionality and longevity. Traditional heat management solutions often lead to bulky designs that compromise the luminaire’s aesthetic appeal.
Another significant challenge is achieving uniform light. Many LED-based luminaires struggle with glare, uneven light spread, or harsh lighting, which can detract from the ambiance of a space and cause discomfort to occupants. Additionally, the integration of components such as drivers and mounting hardware often disrupts the luminaire's design flow, leading to a product that is functional but not visually appealing.
Furthermore, the installation and maintenance of luminaires have historically been tedious, often requiring specialized knowledge or tools, which can be a barrier for users looking for simple, user-friendly lighting solutions.
The present invention addresses these challenges by introducing a novel luminaire design that optimizes LED performance, heat dissipation, and light distribution, while also presenting a sleek, modern aesthetic that is easy to install and maintain. This invention aims to set a new standard in the field of luminaire design, offering a solution that is at the forefront of both technological innovation and design elegance.
At its core, the system comprises several innovative components and features that work together to deliver enhanced functionality, energy efficiency, and aesthetic appeal.
Key features and components include the following parts, namely the milled aluminium housing 1, this is the foundation of the luminaire, providing robust structural support. It’s engineered for efficient heat dissipation, a crucial aspect for maintaining the longevity and performance of LED components.
The LED 2 (PCB- Printed circuit board) it is positioned strategically within the housing for optimal illumination. The LED PCB is mounted using thermally conductive adhesive tape, which plays a vital role in effective heat management.
The diffusing element of the luminaire, namely the solid frosted acrylic diffuser 3 is a component that ensures even light distribution, creating a uniform and pleasing lighting effect. Its unique threading design allows for easy attachment to the housing, enhancing the luminaire’s overall aesthetic. The wall fixing bracket 4 is made from bent sheet metal, the bracket features a practical and sleek design. It includes wall-mounting holes, a central hole for cable management, and side holes with welded tapped nuts for the countersunk screws, ensuring a seamless installation process. Counter sunk screws 5 provide a flush finish to the luminaire, maintaining its sleek and unobtrusive appearance. A specialized compartment within the housing, namely the driver cavity 8 is designed to securely house the LED driver, integral to the luminaire's functionality.
This invention showcases multiple advantages such as the innovative design of the housing and use of thermally conductive materials significantly improve the heat dissipation, extending the lifespan of LED components. The frosted acrylic diffuser ensures that light is evenly spread, eliminating non-uniform illumination and providing a comfortable lighting experience. The luminaire’s sleek and modern design, characterized by its flush fittings and clean lines, makes it a versatile fit for various architectural styles and the thoughtful design of components like the wall fixing bracket simplifies installation and maintenance, making the luminaire user-friendly.
The present invention of the luminaire system represents a significant advancement in lighting technology, offering a solution that adeptly combines functionality, efficiency, and design elegance to address specific needs in both residential and commercial lighting applications.
Building on the summary of its innovative design, the luminaire system's unique attributes are best understood through a detailed examination of its individual components. Each part has been meticulously designed and engineered to contribute to the system’s overall functionality, efficiency, and aesthetic appeal. In the following sections, we delve into the specifics of each component, exploring their structure, functionality, and the critical role they play within the luminaire system.
The milled aluminium housing 1 is made out of aluminium, milled to precise specifications. Its robust yet elegant design forms the structural backbone of the luminaire, offering both strength and visual appeal. This foundational component serves multiple purposes: it houses the LED 2 and the milled aluminium housing 1, and its design is key to effective heat dissipation. The milled aluminium housing 1 integrates with several components such as the wall fixing bracket 4 to mount to the luminaire to the wall, the LED 2 which is placed strategically in the designated area for effective heat transfer and the solid frosted acrylic diffuser 3.
The LED 2 is the primary source of illumination. Its placement within the housing is strategic for optimal lighting and heat management. The LED 2 works in conjunction with the thermally conductive adhesive tape to transfer heat to the aluminium housing. It is also positioned to maximize the light distribution effectiveness of the acrylic diffuser.
The solid frosted acrylic diffuser 3 Made from high-quality frosted acrylic, this component features a threading design for easy attachment.
Acrylic is a type of plastic known for its transparency, durability, and versatility.
Sandblasting is a process where abrasive materials are propelled at high speed against a surface to create a desired texture or finish. When solid acrylic rods are sandblasted, the surface becomes roughened or frosted, which can help to diffuse light passing through the rod.
In context with this invention, the solid frosted acrylic diffuser 3 have been sandblasted are used as diffusers. A diffuser is a component of a lighting fixture that helps to scatter or soften the light emitted by the light source, reducing glare and creating a more even distribution of light. By sandblasting the surface of the acrylic rod, the light passing through is scattered in various directions, resulting in a diffused and softer illumination.
This diffusion effect is desirable in many lighting applications, such as architectural lighting, signage, and decorative lighting fixtures. It helps to enhance the aesthetics of the lighting design while also improving the quality of light output. Acrylic is a durable material that can withstand the rigors of daily use in lighting applications. Sandblasting adds texture without compromising the structural integrity.
The solid frosted acrylic diffuser 3 screws directly into the milled aluminium housing, creating a seamless appearance. The diffuser’s interaction with the LED 2 enhances the overall quality of the luminaire’s illumination.
The wall fixing bracket 4 fabricated from bent sheet metal, the bracket includes mounting holes, a central cable passage hole, and side holes with tapped nuts. This bracket is essential for mounting the luminaire onto a wall or ceiling. It also facilitates neat cable management through the central hole. The wall fixing bracket wall fixing bracket 4 aligns with the milled aluminium housing 1 for a secure mount, while the threaded nut 10 and counter sunk screw 5 ensure a flush and stable attachment.
The counter sunk screws counter sunk screw 5 are designed and procured in such a way that they sit flush with the luminaire’s milled aluminium housing 1, they are used to securely attach the wall fixing bracket 4 to the milled aluminium housing 1 , when counter sunk screw 5 are inserted into the counter sink hole 7, they provide a smooth, flush finish enhancing the luminaire’s aesthetic appeal.
The tapped hole for solid frosted acrylic diffuser 6 is made to secure the solid frosted acrylic diffuser 3 which consists of the solid frosted acrylic threading 13, this securely screws into milled aluminium housing milled aluminium housing 1. This tapped hole facilitates ease of assembly and ensure that the components fit together seamlessly, contributing to the luminaire’s structural integrity and sleek appearance. The counter sink hole 7 is designed for the flush sitting of the counter sunk screw 5
The driver cavity 8 is an integral part of the aluminium housing, designed to fit the LED driver, it houses the LED driver, which is crucial for regulating power to the LED 2. The cavity’s placement within the housing ensures that the driver is protected and doesn’t disrupt the luminaire's design flow.
The pass-through hole 9 is strategically positioned hole within the aluminium housing, designed for cable management and connectivity between the LED driver and the LED 2
The tapped nuts 10 are integrated into the wall fixing bracket 4 these are welded nuts with tapping, these are designed to receive the countersunk screws 5, enabling a secure attachment of the wall fixing bracket to the milled aluminium housing 1.
They work in conjunction with the countersunk screws to facilitate a stable and flush mount of the luminaire, ensuring both ease of installation and a clean aesthetic.
The mounting holes mounting hole 11 are precisely drilled holes located on the flat sides of the wall fixing bracket. These holes are meant for mounting the luminaire onto a wall, utilizing self-threading screws and nylon plugs for a strong and secure installation. The placement and design of these holes enable versatile installation options, catering to various mounting surfaces and ensuring the luminaire's stability.
The cable pass through hole 12 is strategically placed hole in the centre of the wall fixing bracket. This hole is designed for the passage of the power cable, allowing for discreet and efficient cable management. It plays a crucial role in maintaining the luminaire’s sleek design by preventing cable clutter and ensuring a neat installation, especially when the luminaire is wall-mounted.
The solid frosted acrylic threading 13 is a machined element of the solid frosted acrylic diffuser 3. The threading enables the diffuser to be securely screwed into the tapped hole for solid frosted acrylic diffuser 6 of milled aluminium housing 1.
The LED PCB resting area 14 is a designated area within the milled aluminium housing, outfitted with thermally conductive adhesive tape. It securely holds the LED PCB in place and aids in efficient heat transfer from the PCB to the housing. This area is crucial for maintaining the optimal operating temperature of the LEDs, thus ensuring both efficiency and longevity of the light source.
The LED power cable 15 provides electrical connectivity to the luminaire, it connects the LED 2 with the LED driver that is within the driver cavity 8, a pass through hole 9 is made so that the power cables can pass through and connect the LED to the LED driver.
The said invention’s assembly is carried out in this manner. The wall fixing bracket 4 is secured to the desired location using suitable wall self-thread screws and nylon screw plugs through the wall fixing holes (11). The AC power supply is passed through the cable pass through hole 12 and into the driver cavity where it connects to the AC power side of the LED driver, from the DC side the LED power cable 15 which is routed from the LED Driver to the LED 2 via the pass-through hole 9.
On the luminaire’s side the LED 2 is secured to the milled aluminium housing 1 at the LED PCB resting area 14 using thermally conductive adhesive tape for optimal heat transfer, the LED driver is connected to the LED and the AC power supply is connected.
The solid frosted acrylic diffuser 3 is screwed in into milled aluminium housing 1 at the tapped hole for solid frosted acrylic diffuser 6. The solid frosted acrylic threading 13 ensures a secure and tool free attachment of the solid frosted acrylic diffuser 3 to the milled aluminium housing 1. Once all the components are assembled, the luminaire is connected to the power source.
The luminaire is used in versatile applications, from enhancing the ambiance of residential spaces, easy installation of the luminaire for optimizing work environments with its bright, even illumination in commercial settings, and finally, accentuating the beauty of artworks in galleries and display areas with its glare-free and homogenous diffusion, the luminaire's adaptability exhibits versatility across a spectrum of diverse applications.
Below are factors that support the claims which sets the said invention apart from other luminaires.
The milled aluminium housing 1 plays a crucial role in dissipating heat from the LED 2. This design is vital for addressing the issue of overheating in LEDs, a common drawback in prior art. The thermally conductive adhesive tape used in the LED PCB resting area 14 enhances this heat dissipation, directly supporting the claim of improved thermal management.
The solid frosted acrylic diffuser 3 with its unique threading design, provides secure attachment to the luminaire’s housing and even light distribution, a significant advancement over traditional luminaires that often struggle with glare and hotspots. This feature directly supports claims related to improved diffusion and homogenous illumination of the luminaire.
The design of the wall fixing bracket 4 and the use of countersunk screws 5 support claims related to the luminaire's ease of installation. The tapped nut 10 and mounting hole 11 facilitate a straightforward mounting process, distinguishing the luminaire from more complex designs in prior art.
The sleek design of the milled aluminium housing 1 and the flush fitting of components like the counter sunk screw 5 illustrate the luminaire’s aesthetic appeal. The integration of functionality and design in elements such as the power 9 and driver cavity 8 highlight the inventive step in creating a luminaire that is both efficient and visually pleasing.
, Claims:1. A Lunnark Decorative Acrylic Lat Luminaire, comprising:
a. A milled aluminium housing (1) with a driver cavity (8) for housing an LED driver.
b. A solid frosted acrylic diffuser (3) with a threading design (13) for attachment to the milled aluminium housing (1).
c. An LED (2) positioned within the milled aluminium housing (1) and thermally adhered to it via a LED PCB resting area (14).
d. Counter sunk screws (5) for securing components to the milled aluminium housing (1).
e. A wall fixing bracket (4) made of bent sheet metal with mounting holes (11) and a cable pass-through hole (12).
f. A pass-through hole (9) in the milled aluminium housing (1) for LED power cable (15) connectivity.
2. The luminaire of claim 1, wherein the solid frosted acrylic diffuser (3) is designed with threading (13) to securely screw into a tapped hole for solid frosted acrylic diffuser (6) in the milled aluminium housing (1), enabling tool-free attachment and creating a seamless appearance.
3. The luminaire of claim 1, wherein the milled aluminium housing (1) features a driver cavity (8) designed to accommodate an LED driver, ensuring compact integration and efficient thermal management.
4. The luminaire of claim 1, wherein the counter sunk screws (5) are employed to achieve a flush finish, maintaining the luminaire's sleek and unobtrusive appearance by preventing protrusions of screws.
5. The luminaire of claim 1, wherein the LED (2) is adhered with a thermally conductive adhesive to the milled aluminium housing (1) at the LED PCB resting area (14) using thermally conductive adhesive tape, ensuring effective heat dissipation and prolonged LED lifespan.
6. The luminaire of claim 1, wherein the smooth curve in the milled aluminium housing (1) matches the solid frosted acrylic diffuser (3), creating a visually continuous design element that enhances the luminaire's aesthetic appeal.
7. The luminaire of claim 1, wherein the pass-through hole (9) in the milled aluminium housing (1) facilitates the passage of LED power cable (15) between the LED 2 and the LED driver, ensuring seamless connectivity between components and enabling discreet cable management.
8. The luminaire of claim 1, wherein the wall fixing bracket (4) is equipped with mounting holes (11) and a cable pass-through hole (12), facilitating easy installation and cable management while maintaining the luminaire's sleek design.
9. The luminaire of claim 1, comprising an assembly method involving securing the wall fixing bracket (4) to a desired location, connecting the LED power cable (15) through the pass-through hole (9) in the milled aluminium housing (1), thermally adhering the LED (2) to the housing at the LED PCB resting area (14), and attaching the solid frosted acrylic diffuser (3) to the milled aluminium housing (1) via the threading design (13).
10. The luminaire of claim 1, wherein the assembly of the milled aluminium housing (1) involves integrating components such as the LED (2), LED driver within the driver cavity (8), and the solid frosted acrylic diffuser (3) with threading design (13) for seamless integration and optimal functionality.
11. The Technical Decorative Luminaire of Claim 1, wherein the assembly of the wall fixing bracket (4) involves securing it to a desired location using mounting holes (11) and ensuring cable connectivity through the cable pass-through hole (12), with welded nuts (10) facilitating the attachment of counter sunk screws (5), providing a user-friendly installation process.
| # | Name | Date |
|---|---|---|
| 1 | 202441023400-REQUEST FOR EXAMINATION (FORM-18) [25-03-2024(online)].pdf | 2024-03-25 |
| 2 | 202441023400-REQUEST FOR EARLY PUBLICATION(FORM-9) [25-03-2024(online)].pdf | 2024-03-25 |
| 3 | 202441023400-POWER OF AUTHORITY [25-03-2024(online)].pdf | 2024-03-25 |
| 4 | 202441023400-FORM-9 [25-03-2024(online)].pdf | 2024-03-25 |
| 5 | 202441023400-FORM FOR SMALL ENTITY(FORM-28) [25-03-2024(online)].pdf | 2024-03-25 |
| 6 | 202441023400-FORM FOR SMALL ENTITY [25-03-2024(online)].pdf | 2024-03-25 |
| 7 | 202441023400-FORM 18 [25-03-2024(online)].pdf | 2024-03-25 |
| 8 | 202441023400-FORM 1 [25-03-2024(online)].pdf | 2024-03-25 |
| 9 | 202441023400-FIGURE OF ABSTRACT [25-03-2024(online)].pdf | 2024-03-25 |
| 10 | 202441023400-EVIDENCE FOR REGISTRATION UNDER SSI(FORM-28) [25-03-2024(online)].pdf | 2024-03-25 |
| 11 | 202441023400-EVIDENCE FOR REGISTRATION UNDER SSI [25-03-2024(online)].pdf | 2024-03-25 |
| 12 | 202441023400-DRAWINGS [25-03-2024(online)].pdf | 2024-03-25 |
| 13 | 202441023400-COMPLETE SPECIFICATION [25-03-2024(online)].pdf | 2024-03-25 |
| 14 | 202441023400-FORM 3 [02-04-2024(online)].pdf | 2024-04-02 |
| 15 | 202441023400-ENDORSEMENT BY INVENTORS [02-04-2024(online)].pdf | 2024-04-02 |