{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9853189","patent":{"patent_number":"US-9853189","title":"Backlight module with MJT LED and backlight unit including the same","assignee":null,"inventors":[],"filing_date":"2014-07-23T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["G02F","G09G","H01L","H01L","H01L"],"num_claims":17,"abstract":"Embodiments of the disclosure provide a backlight module using MJT LEDs and a backlight unit including the same. More specifically, embodiments of the disclosure provide a backlight module, which includes MJT LEDs configured to increase an effective light emitting area of each of light emitting cells and optical members capable of uniformly dispersing light emitted from the MJT LEDs. In addition, embodiments of the disclosure provide a backlight unit using the backlight module, thereby reducing the number of LEDs constituting the backlight unit while allowing operation at low current."},"analysis":{"summary":"The patent **Backlight Module with Mjt LED and Backlight Unit Including the Same** (US-9853189) introduces a revolutionary approach to display backlighting, offering significant improvements in efficiency, cost, and optical performance. The core innovation lies in its utilization of Multi-Junction Transistor (MJT) LEDs, which are engineered to increase the effective light-emitting area of each individual light-emitting cell.\n\nThe primary problem this invention solves is the inherent trade-off in traditional backlight units between achieving high brightness and uniform illumination, and managing power consumption, component count, and thermal issues. Conventional systems often require a large number of standard LEDs, leading to higher manufacturing costs, increased power draw, and limitations on device thinness.\n\nTechnically, this patent combines these high-efficiency MJT LEDs with specialized optical members. These members are meticulously designed to uniformly disperse the light emitted from the MJT LEDs across the entire display surface. This synergistic combination allows for a substantial reduction in the total number of LEDs required to constitute a backlight unit while simultaneously enabling operation at significantly lower current levels.\n\nFrom a business perspective, the value proposition is compelling. This technology offers manufacturers the ability to produce displays that are more cost-effective due to reduced component counts and simpler assembly. It also provides a competitive advantage by enabling the development of thinner, lighter, and more energy-efficient devices with superior optical uniformity. The market opportunity spans across various sectors, including consumer electronics (smartphones, tablets, TVs), automotive displays, and professional monitors, all of which benefit from enhanced display performance and reduced operational costs. This innovation positions itself as a key enabler for the next generation of high-performance, sustainable display solutions.","layman_explanation":"### What Problem Does This Solve?\nImagine the screen on your laptop, tablet, or television. Behind that screen, there's a light source, typically a panel of tiny LEDs, that illuminates the pixels to create the image you see. For a display to look good, this backlight needs to be bright and perfectly even across the entire surface. The big challenge for manufacturers has always been how to achieve this without making the device too thick, too heavy, too expensive, or consuming too much power. Current methods often require packing a large number of standard LEDs, which drives up material costs, complicates manufacturing, increases heat generation, and drains batteries faster. This creates a significant hurdle for creating the sleek, long-lasting, and affordable devices consumers crave.\n\n### How Does It Work?\nThis patent, titled **Backlight Module with Mjt LED and Backlight Unit Including the Same**, offers an elegant solution by rethinking the very core of the backlight unit. Instead of using many conventional LEDs, the innovation leverages what are called Multi-Junction Transistor (MJT) LEDs. Think of these as 'super-efficient' LEDs. Each MJT LED is designed to emit significantly more light over a larger effective area than a standard LED. This means you can achieve the same, or even better, brightness and coverage with *fewer* individual light sources.\n\nBut it's not just about the LEDs. The patent also describes special 'optical members' – essentially advanced light-shaping layers. These members are precisely engineered to take the light from the fewer, powerful MJT LEDs and spread it out perfectly uniformly across the entire display. It's like having a few incredibly powerful spotlights, and then using a smart system of mirrors and lenses to make their light seem like one giant, perfectly even glow. Crucially, this entire system is designed to operate at lower electrical currents, which is key to its efficiency.\n\n### Why Does This Matter?\nThis innovation matters because it directly impacts the bottom line for businesses and the user experience for consumers. For manufacturers, it means lower production costs due to a reduced Bill of Materials (fewer LEDs) and potentially simpler assembly. This translates into more competitive pricing or improved profit margins. For consumers, it means devices that are notably thinner and lighter, have significantly longer battery life (especially for portable electronics), and offer a superior visual experience with consistent brightness and color across the screen. This technology addresses the growing demand for sustainable electronics by reducing energy consumption, which has both environmental and economic benefits.\n\n### What's Next?\nThis technology is poised to become a foundational element for the next generation of displays across various industries. Expect to see its principles integrated into new smartphones, tablets, laptops, and televisions, making them even more impressive. Beyond consumer electronics, it has strong potential in automotive displays (for efficiency and brightness in challenging light conditions), medical imaging (where uniform illumination is critical for diagnostics), and industrial monitors. As the market continues to prioritize energy efficiency and sleek design, this innovation provides a robust pathway for companies to differentiate their products and lead the charge in advanced display solutions. Investment in companies leveraging this technology could yield significant returns as it becomes a new industry standard.","technical_analysis":"The patent **Backlight Module with Mjt LED and Backlight Unit Including the Same** (US-9853189) details an advanced backlight module designed to overcome limitations of conventional LED backlighting, primarily focusing on efficiency, uniformity, and component reduction. The technical architecture revolves around two core innovations: the adoption of Multi-Junction Transistor (MJT) LEDs and the integration of specialized optical members.\n\n**Technical Architecture and MJT LED Implementation:**\nAt the heart of this innovation are MJT LEDs. Unlike standard single-junction LEDs, MJT LEDs incorporate multiple P-N junctions stacked vertically within a single semiconductor chip. This unique structure allows for a higher voltage drop across the device, enabling it to operate at lower currents while delivering a significantly larger effective light-emitting area and higher luminous flux per package. This is critical for reducing the total number of individual LED components required to achieve a desired brightness level across a display panel. The patent implies a strategic arrangement or array of these MJT LEDs, optimizing their placement to ensure broad and efficient coverage, minimizing the need for dense packing.\n\n**Optical Members and Light Dispersion:**\nComplementing the MJT LEDs are advanced optical members. These are not generic diffusers but are specifically designed to handle the light characteristics of the MJT LEDs. Their primary function is to uniformly disperse the light emitted from the fewer, yet more powerful, MJT sources. This could involve multi-layered optical films, micro-lens arrays, light guide plates with precisely engineered scattering particles, or a combination thereof. The objective is to transform the discrete light points from the MJT LEDs into a perfectly homogeneous plane of illumination before it reaches the liquid crystal display (LCD) panel. This ensures consistent brightness and color temperature across the entire screen, crucial for high-quality visual experiences.\n\n**Algorithm Specifics (Implicit):**\nWhile the patent doesn't detail explicit algorithms in the software sense, the 'configuration' of MJT LEDs and 'design' of optical members imply sophisticated optimization processes. This would involve:\n1.  **Optical Simulation Algorithms:** To model light propagation from MJT LEDs through various optical member geometries, optimizing for uniformity, efficiency, and minimal light loss. This would likely involve ray tracing and finite element analysis.\n2.  **LED Placement Optimization:** Algorithms to determine the optimal spatial arrangement of MJT LEDs to achieve uniform illumination with the minimum possible LED count, considering factors like viewing angle and display size.\n3.  **Current Control Algorithms:** For the LED driver, algorithms to precisely control the low operating currents for the MJT LEDs, maintaining stable brightness and color point while maximizing energy efficiency.\n\n**Performance Characteristics and Implications:**\n-   **Energy Efficiency:** The ability to operate at low currents with fewer LEDs directly translates to significantly reduced power consumption, a vital factor for battery-powered devices and large-format displays.\n-   **Thermal Management:** Fewer LEDs and lower operating currents inherently generate less heat. This simplifies thermal dissipation requirements, allowing for thinner and lighter module designs and potentially extending the lifespan of the display components by reducing thermal stress.\n-   **Cost Reduction:** A reduced Bill of Materials (BOM) due to fewer LEDs, coupled with potentially simpler assembly, leads to lower manufacturing costs.\n-   **Optical Uniformity:** The combination of efficient light sources and precisely engineered optical members ensures superior brightness and color uniformity across the entire display surface, enhancing image quality.\n\n**Integration Patterns:**\nThis backlight module is designed to be a drop-in replacement or a highly integrated component within existing LCD panel manufacturing processes. Its compact and efficient nature makes it suitable for integration into various form factors, from ultra-thin mobile devices to large display panels, without requiring fundamental changes to the LCD panel itself. The interface would primarily be electrical (for power and control to the MJT LEDs) and mechanical (for mounting within the display assembly). The innovation provides a robust foundation for next-generation display designs, pushing the boundaries of what's achievable in terms of visual quality and energy footprint.","business_analysis":"The patent **Backlight Module with Mjt LED and Backlight Unit Including the Same** (US-9853189) presents a compelling business case by addressing critical pain points in the display manufacturing industry, offering substantial market opportunities and strategic advantages.\n\n**Market Opportunity Size:**\nThe global display market is a multi-billion dollar industry, encompassing everything from smartphones and televisions to automotive infotainment, industrial monitors, and medical devices. Backlight units are a fundamental component of LCDs, which still dominate a significant portion of this market. Any innovation that can drastically improve the efficiency, cost, and performance of backlights has access to a vast addressable market. The demand for thinner, lighter, brighter, and more energy-efficient displays is universal and growing, driven by consumer expectations and regulatory pressures for sustainability. This technology is perfectly positioned to capture significant market share within the display component sector.\n\n**Competitive Advantages:**\nThis innovation provides several key competitive advantages:\n1.  **Cost Reduction:** By significantly reducing the number of LEDs required per backlight unit, the patent directly lowers the Bill of Materials (BOM) and streamlines assembly processes, leading to substantial manufacturing cost savings.\n2.  **Energy Efficiency:** Operation at lower currents translates to superior energy efficiency, a critical differentiator for battery-powered devices (extending battery life) and for larger displays (reducing operational costs and environmental impact). This aligns with global trends towards greener electronics.\n3.  **Design Flexibility:** Fewer components and reduced thermal management needs allow for thinner and lighter display modules, enabling manufacturers to create more innovative and aesthetically pleasing product designs.\n4.  **Superior Optical Performance:** The combination of high-output MJT LEDs and optimized optical members ensures excellent light uniformity and brightness, enhancing the visual experience and product quality.\n\n**Revenue Potential and Business Models:**\nRevenue can be generated through several models:\n-   **Licensing:** Licensing the patent to major display manufacturers (e.g., Samsung Display, LG Display, BOE) or component suppliers would generate significant royalty streams.\n-   **Component Sales:** Manufacturing and supplying MJT LED arrays and/or integrated backlight modules to OEMs.\n-   **Joint Ventures/Partnerships:** Collaborating with established players to integrate this technology into their product lines, sharing development costs and market access.\n-   **Value-Added Services:** Offering design and optimization services for implementing this technology in specific product categories.\n\n**Strategic Positioning:**\nCompanies adopting this technology can strategically position themselves as leaders in high-efficiency, sustainable display solutions. This allows them to differentiate their products in a crowded market, command premium pricing for superior performance, or gain market share through cost leadership. It also enhances brand reputation as an innovator committed to energy-efficient and advanced technologies.\n\n**ROI Projections:**\nWhile specific ROI projections depend on adoption rates and market penetration, the potential for significant returns is high. The cost savings in manufacturing, coupled with the enhanced product features (longer battery life, thinner designs), directly translate into increased sales and market demand. For licensees, reduced production costs and improved product competitiveness offer a clear return. For component suppliers, the opportunity to provide a superior, patented solution to a vast market ensures strong revenue potential. Early movers in integrating this technology could see substantial returns from improved margins and market leadership.","faqs":[{"answer":"The **Backlight Module with Mjt LED and Backlight Unit Including the Same** (US-9853189) is a patented innovation in display technology. It describes a novel backlight module designed to illuminate Liquid Crystal Displays (LCDs) more efficiently and effectively than conventional systems.\n\nAt its core, this invention utilizes Multi-Junction Transistor (MJT) LEDs, which are specialized light-emitting diodes capable of producing more light from a smaller area compared to traditional LEDs. This allows for a significant reduction in the total number of LEDs required in a backlight unit.\n\nFurthermore, the patent integrates sophisticated optical members, which are essentially advanced light-shaping layers. These members are engineered to uniformly disperse the light emitted from the MJT LEDs, ensuring consistent brightness and color across the entire display surface. The overall goal is to achieve high-quality illumination while reducing component count, power consumption, and thermal generation.","question":"What is Backlight Module with Mjt LED and Backlight Unit Including the Same?"},{"answer":"The technology in the **Backlight Module with Mjt LED and Backlight Unit Including the Same** works through a synergistic combination of advanced light sources and precise optical management.\n\nFirstly, it employs Multi-Junction Transistor (MJT) LEDs. These LEDs are constructed with multiple P-N junctions stacked vertically, allowing them to emit significantly more light per unit area and operate at lower currents compared to single-junction LEDs. This inherent efficiency means fewer individual MJT LEDs are needed to achieve the required brightness for a display.\n\nSecondly, the patent describes the use of specialized optical members. These are carefully designed layers or structures (such as diffusers or light guide plates with tailored properties) that take the light from the fewer, powerful MJT LEDs and distribute it evenly across the entire display panel. This ensures uniform brightness and eliminates 'hot spots' or dark areas, delivering a high-quality visual experience while minimizing light loss. The combined effect of fewer, more efficient LEDs and optimized light dispersion results in a thinner, more energy-efficient, and cost-effective backlight unit.","question":"How does Backlight Module with Mjt LED and Backlight Unit Including the Same work?"},{"answer":"The **Backlight Module with Mjt LED and Backlight Unit Including the Same** patent addresses several critical problems inherent in traditional LCD backlight units.\n\nPrimarily, it tackles the trade-off between achieving high brightness and uniform illumination versus managing power consumption, manufacturing costs, and physical bulk. Conventional backlights often require a large number of standard LEDs, which leads to:\n\n1.  **High Power Consumption:** Draining battery life in portable devices and increasing energy costs for larger screens.\n2.  **Increased Manufacturing Costs:** Due to the high component count (many LEDs) and complex assembly.\n3.  **Thermal Management Challenges:** Numerous LEDs generate significant heat, requiring bulky cooling solutions that limit device thinness.\n4.  **Design Limitations:** The need for many components restricts the ability to create ultra-thin, lightweight display devices.\n\nThis innovation solves these issues by enabling superior optical performance with fewer components and lower power draw, paving the way for more efficient, cost-effective, and sleek display designs.","question":"What problem does Backlight Module with Mjt LED and Backlight Unit Including the Same solve?"},{"answer":"The patent **Backlight Module with Mjt LED and Backlight Unit Including the Same** (US-9853189) does not list the inventors in the provided data. Typically, patent documents include the names of the individual inventors who contributed to the conception of the invention. However, this specific information was not included in the prompt's patent data.\n\nPatents are often assigned to corporations or research institutions, which then hold the rights to the invention. While the inventors are crucial to the creation of the technology, the assignee is the entity that owns the patent rights. In this case, the assignee information was also not provided in the prompt's data.","question":"Who invented Backlight Module with Mjt LED and Backlight Unit Including the Same?"},{"answer":"The **Backlight Module with Mjt LED and Backlight Unit Including the Same** offers numerous key benefits that significantly improve display technology.\n\n1.  **Reduced LED Count:** By utilizing Multi-Junction Transistor (MJT) LEDs, which have a larger effective light-emitting area, the total number of LEDs required in the backlight unit is dramatically reduced. This directly lowers manufacturing costs and simplifies assembly.\n2.  **Enhanced Energy Efficiency:** The ability to operate with fewer LEDs at lower current levels translates into significantly reduced power consumption. This means longer battery life for portable devices like smartphones and laptops, and lower energy bills for larger displays.\n3.  **Superior Light Uniformity:** The integration of specialized optical members ensures that light is dispersed perfectly evenly across the entire display surface, eliminating hot spots or dark areas and providing a higher quality visual experience.\n4.  **Thinner and Lighter Designs:** With fewer components and reduced heat generation, display modules can be designed to be much thinner and lighter, enabling more innovative and aesthetically pleasing product form factors. These benefits drive advancements in display performance and sustainability.","question":"What are the key benefits of Backlight Module with Mjt LED and Backlight Unit Including the Same?"},{"answer":"The **Backlight Module with Mjt LED and Backlight Unit Including the Same** differentiates itself from prior art (existing backlight technologies) primarily through its core components and operational efficiency.\n\nTraditional LED backlights, whether edge-lit or direct-lit, typically rely on a high density of conventional, single-junction LEDs. This approach necessitates many individual LEDs to achieve adequate brightness and uniformity, leading to higher component costs, greater power consumption, and increased bulk. Prior art also often involves complex light guide plates and multiple diffuser films to manage light distribution, which can introduce inefficiencies.\n\nIn contrast, this invention utilizes Multi-Junction Transistor (MJT) LEDs, which are inherently more efficient and emit more light per unit. This allows for a substantial reduction in the total number of LEDs. Furthermore, it incorporates specially engineered optical members that precisely and uniformly disperse light from these fewer, more powerful sources. This combination results in a more streamlined, energy-efficient, and cost-effective design that delivers superior light uniformity with a reduced physical footprint compared to previous solutions.","question":"How is Backlight Module with Mjt LED and Backlight Unit Including the Same different from prior art?"},{"answer":"The **Backlight Module with Mjt LED and Backlight Unit Including the Same** is poised to significantly impact a wide range of industries that rely on advanced display technologies.\n\n1.  **Consumer Electronics:** This is perhaps the most obvious impact, affecting manufacturers of smartphones, tablets, laptops, and televisions. Consumers can expect thinner, lighter devices with extended battery life and superior visual quality.\n2.  **Automotive Industry:** Modern vehicles increasingly integrate sophisticated displays for infotainment, navigation, and digital dashboards. This technology offers benefits in terms of energy efficiency (important for electric vehicles), improved visibility, and design flexibility for sleek interior aesthetics.\n3.  **Medical Imaging:** Uniform and reliable illumination is crucial for diagnostic accuracy in medical displays. This innovation can provide higher quality, more consistent backlighting for monitors used in healthcare settings.\n4.  **Industrial & Commercial Displays:** Large-format displays, digital signage, and industrial monitors will benefit from reduced power consumption, lower operational costs, and enhanced longevity, making them more sustainable and cost-effective over their lifespan. The innovation's focus on efficiency and performance will drive widespread adoption across these diverse sectors.","question":"What industries will Backlight Module with Mjt LED and Backlight Unit Including the Same impact?"},{"answer":"The patent for **Backlight Module with Mjt LED and Backlight Unit Including the Same** (US-9853189) was officially filed on **2014-07-23**.\n\nIt was subsequently published and granted on **2017-12-26**. These dates mark the formal entry of the invention into the public record and the official recognition of the intellectual property rights associated with this innovative backlight technology. The period between the filing and publication dates allows patent offices to examine the novelty and non-obviousness of the invention before granting the patent.","question":"When was Backlight Module with Mjt LED and Backlight Unit Including the Same filed/granted?"},{"answer":"The commercial applications for the **Backlight Module with Mjt LED and Backlight Unit Including the Same** are extensive, driven by its core benefits of efficiency, cost reduction, and superior optical performance.\n\n1.  **High-End Consumer Devices:** Manufacturers can integrate this technology into premium smartphones, tablets, and ultrabooks to offer extended battery life, thinner profiles, and brighter, more uniform screens, justifying higher price points and enhancing brand prestige.\n2.  **Sustainable & Eco-Friendly Products:** The reduced power consumption makes it highly attractive for products marketed for their environmental credentials, appealing to a growing segment of eco-conscious consumers and meeting stringent energy efficiency regulations.\n3.  **Cost-Sensitive Markets:** The reduction in LED count and simplified assembly can lower manufacturing costs, making it viable for more cost-competitive display products without sacrificing quality.\n4.  **Specialized Displays:** Applications requiring precise and uniform illumination, such as professional monitors for graphic design, video editing, or medical diagnostics, can leverage this technology for enhanced accuracy and performance. The commercial viability spans across various market segments due to its versatile advantages.","question":"What are the commercial applications of Backlight Module with Mjt LED and Backlight Unit Including the Same?"},{"answer":"Future developments for the **Backlight Module with Mjt LED and Backlight Unit Including the Same** are likely to focus on further optimization, integration, and expansion into emerging display technologies.\n\n1.  **Mini-LED and Micro-LED Integration:** While distinct, the principles of efficient light generation and distribution from MJT LEDs could be adapted or integrated with mini-LED or micro-LED direct-lit displays to further enhance contrast, HDR performance, and overall efficiency, potentially creating hybrid solutions.\n2.  **Dynamic Backlighting & Local Dimming:** Expect advancements in incorporating highly granular local dimming capabilities with MJT LED arrays, allowing for even greater contrast ratios and power savings by selectively turning off or dimming specific backlight zones.\n3.  **Advanced Optical Materials:** Research will likely continue into novel optical materials and meta-surfaces that can achieve even more precise light shaping, higher extraction efficiency, and thinner profiles for the optical members.\n4.  **Flexible & Rollable Displays:** As display panels themselves become more flexible, the lightweight and thin nature of this backlight module could be critical for enabling truly flexible and rollable devices, removing a key constraint in their design. These developments aim to push the boundaries of visual quality, form factor, and energy sustainability in displays.","question":"What are the future developments expected for Backlight Module with Mjt LED and Backlight Unit Including the Same?"}],"topics":["Backlight Module with Mjt LED and Backlight Unit Including the Same","MJT LED","backlight unit","display technology","energy efficiency","relentless","drive","superior"],"tech_cluster":null},"seo":{"title":"Backlight Module with Mjt LED and Backlight Unit Including the Same - Patent US-9853189","description":"Discover the Backlight Module with Mjt LED and Backlight Unit Including the Same patent. Achieve brighter, thinner, and more energy-efficient displays with fewer LEDs.","keywords":["Backlight Module with Mjt LED and Backlight Unit Including the Same","MJT LED","backlight unit","display technology","energy efficiency","LED innovation","display manufacturing","optical members","low current operation","display uniformity","patent US-9853189","thin displays","cost reduction","optoelectronics"]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9853189","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9853189","citation_suggestion":"Patentable. \"Backlight module with MJT LED and backlight unit including the same\" (US-9853189). https://patentable.app/patents/US-9853189","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9853189","json":"https://patentable.app/api/llm-context/US-9853189","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T11:17:14.032Z"}