{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9852689","patent":{"patent_number":"US-9852689","title":"Circuit and method for driving an array of light emitting pixels","assignee":null,"inventors":[],"filing_date":"2016-09-15T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["G09G","G09G","G09G","G09G","G09G","G09G","G09G","G09G","G09G"],"num_claims":13,"abstract":"A technique for driving a column of pixels that include light emitting elements. The technique incorporates feedback data provided from feedback data sources connected to the data line and to feedback line of the array, pixel driving circuit with feedback path. The technique can also include block of the reference elements for input signal corrections."},"analysis":{"summary":"The Circuit and Method for Driving an Array of Light Emitting Pixels (US-9852689) introduces a sophisticated technique designed to significantly enhance the uniformity, stability, and longevity of displays utilizing light-emitting pixels. The core innovation lies in its intelligent, closed-loop feedback system.\n\nThe primary problem this invention solves is the inherent inconsistency and degradation of individual light-emitting elements over time. Factors such as manufacturing variations, temperature fluctuations, and aging can lead to uneven brightness, color shifts, and other visual artifacts across a display. Existing open-loop or less sophisticated compensation methods often fail to adequately address these dynamic changes, resulting in diminished user experience and shorter product lifespans.\n\nThe key technical approach involves integrating feedback data sources directly into the display array. These sources are connected to both the data line, which carries the initial display signals, and a dedicated feedback line, which transmits real-time performance data back from the pixels. This feedback data, reflecting the actual output or state of the light-emitting elements, is then processed by a specialized pixel driving circuit equipped with a feedback path. This circuit dynamically adjusts the input signals based on the discrepancy between desired and actual pixel performance, thereby continuously correcting for any deviations.\n\nFurthermore, the patent describes the incorporation of 'block of the reference elements' for input signal corrections. This feature allows the system to use known, stable reference points to further refine the accuracy of its adjustments, ensuring highly precise and reliable compensation. This multi-layered feedback and correction mechanism enables the display to maintain optimal uniformity and brightness throughout its operational life.\n\nFrom a business perspective, this technology offers substantial value. It enables manufacturers to produce displays with superior visual quality, extended durability, and reduced warranty claims related to degradation. This translates into a significant competitive advantage in markets ranging from consumer electronics (smartphones, TVs) to professional applications (medical monitors, automotive displays, digital signage) and emerging technologies like micro-LEDs and flexible OLEDs. The market opportunity is vast, as the invention addresses a fundamental challenge across the entire light-emitting display industry, promising higher customer satisfaction and potentially new business models based on enhanced display longevity and performance.","layman_explanation":"### What Problem Does This Solve?\n\nImagine you've invested in a cutting-edge display, perhaps a new smartphone or a large digital billboard. Over time, you might notice that certain areas of the screen appear dimmer or have a slightly different color tint compared to others. This phenomenon, known as display non-uniformity or degradation, is a common headache for both consumers and manufacturers. It's caused by inherent variations in the tiny light-emitting elements (pixels) during manufacturing, coupled with the natural aging process and environmental factors like temperature fluctuations. For businesses, this translates to dissatisfied customers, costly warranty claims, and a diminished brand reputation. Existing solutions often involve complex factory calibration or passive compensation, which are rarely effective at maintaining consistent quality throughout a display's operational lifespan. The industry has been searching for an adaptive, real-time solution to ensure pristine visual quality from day one until end-of-life.\n\n### How Does It Work?\n\nThe Circuit and Method for Driving an Array of Light Emitting Pixels patent introduces a clever, self-correcting system for managing display pixels. Think of it like a highly sophisticated orchestra conductor for your screen's millions of tiny light bulbs. Instead of just telling each bulb to shine at a certain level and hoping for the best, this system actively 'listens' to each bulb's performance.\n\nHere’s the conceptual breakdown: Each column of pixels is equipped with tiny 'ears' (feedback data sources) that are connected to the main data highway (the data line) and a special listening channel (the feedback line). These 'ears' continuously monitor how much light each pixel is actually emitting or how much power it's drawing. This real-time performance data is then sent back to the screen's 'brain' – a specialized pixel driving circuit. This circuit has a 'feedback path' that acts like a vigilant quality control manager. It compares what the pixels *should* be doing with what they *are* doing. If there's a difference, the 'brain' instantly sends a corrective instruction back to the pixel, telling it to adjust its brightness or color output. This happens continuously, many times per second, ensuring that every pixel is always performing optimally. The patent also mentions using 'reference elements,' which are like perfectly calibrated tuning forks. By occasionally checking against these perfect references, the system can fine-tune its corrections, ensuring absolute accuracy and stability.\n\n### Why Does This Matter?\n\nThis innovation holds immense significance for the display industry and beyond. For manufacturers, it offers a powerful competitive edge by enabling them to produce displays that boast unparalleled uniformity and extended longevity. This directly impacts their bottom line by reducing expensive warranty repairs and improving customer loyalty. Imagine a smartphone screen that looks as vibrant and consistent after two years as it did on day one, or a public display that never suffers from patchy lighting. This technology makes such a promise a reality.\n\nMoreover, the Circuit and Method for Driving an Array of Light Emitting Pixels is crucial for the successful commercialization of advanced display technologies like micro-LEDs and flexible OLEDs, where maintaining uniformity is even more challenging due to their intricate structures. It reduces the technical barriers to entry and accelerates innovation in these high-growth segments. For investors, this represents an opportunity to back companies that are solving a fundamental and costly problem, leading to higher product quality, stronger market positioning, and potentially greater profitability. The ROI comes from both cost savings (fewer returns) and revenue growth (premium product differentiation).\n\n### What's Next?\n\nThe immediate future will likely see this technology integrated into high-end consumer electronics and specialized professional displays. As manufacturing processes mature, its adoption could spread to mainstream products, setting a new industry standard for display quality. This innovation paves the way for truly self-optimizing displays that can adapt to their environment and usage patterns, leading to even more immersive and reliable visual experiences. Investment in companies developing or licensing this technology would be strategic, as it addresses a core limitation that has persisted across display generations.","technical_analysis":"The Circuit and Method for Driving an Array of Light Emitting Pixels (US-9852689) presents a crucial advancement in the control and maintenance of light-emitting pixel arrays. The technical essence of this patent revolves around a robust, closed-loop feedback system designed to counteract intrinsic variations and degradation effects in individual light-emitting elements, such as those found in OLED, LED, and Micro-LED displays.\n\n**Technical Architecture and Data Flow:**\nAt the heart of this invention is a pixel driving circuit that moves beyond conventional open-loop control. The system's architecture comprises:\n1.  **Array of Light Emitting Pixels:** Organized typically in rows and columns, where each pixel (or sub-pixel) is an individually addressable light source.\n2.  **Data Line:** Carries the electrical signals (voltage or current) that determine the luminance and chromaticity of the pixels. In active-matrix displays, this line often connects to thin-film transistors (TFTs) that control the pixel's state.\n3.  **Feedback Line:** A dedicated line, distinct from the data line, specifically designed to transmit real-time operational data *from* the pixels back to the driving circuit.\n4.  **Feedback Data Sources:** These are integrated components connected to both the data line and the feedback line. They are responsible for sensing parameters indicative of pixel performance, such as actual current flowing through the light-emitting element, voltage across it, or even emitted light intensity via integrated photodetectors. The patent implies these sources are strategically placed to gather relevant data for a column of pixels.\n5.  **Pixel Driving Circuit with Feedback Path:** This is the control intelligence. It receives the initial input signal (desired pixel state) and the real-time feedback data. The 'feedback path' within this circuit is an analytical and corrective module. It compares the desired state with the actual, sensed state, calculates the error, and generates a compensatory adjustment. This adjustment is then applied to the driving signal for the pixel, thereby closing the control loop.\n\n**Algorithm Specifics and Implementation Details:**\nWhile specific algorithms are not exhaustively detailed in the abstract, the mechanism implies a form of Proportional-Integral-Derivative (PID) control or a similar adaptive control scheme. The feedback path would likely involve:\n*   **Sensing:** Analog-to-digital conversion of sensed feedback data.\n*   **Comparison:** Digital comparison of sensed data against target values (derived from the input signal).\n*   **Error Calculation:** Determining the deviation (error) from the target.\n*   **Correction Generation:** Applying a control law (e.g., gain, integration, differentiation) to the error to generate a correction signal.\n*   **Signal Modulation:** Modifying the original input signal or the subsequent driving signal based on the correction. This could involve adjusting pulse width modulation (PWM) duty cycles, current magnitudes, or voltage levels.\n\nThe 'block of the reference elements for input signal corrections' is a critical enhancement. Reference elements could be a small subset of pixels with known, stable characteristics, or dedicated calibration circuits. By periodically driving these reference elements and comparing their feedback against ideal responses, the system can:\n*   **Calibrate Sensors:** Compensate for drift or inaccuracies in the feedback data sources themselves.\n*   **Establish Baselines:** Provide a stable reference against which all other pixel feedback is measured, ensuring absolute accuracy rather than just relative correction.\n*   **Compensate for Systemic Errors:** Address common mode variations across the entire display or specific regions.\n\n**Performance Characteristics and Code-Level Implications:**\nThis feedback-driven approach significantly improves:\n*   **Uniformity:** Real-time correction minimizes spatial non-uniformities (mura) caused by manufacturing tolerances or temperature gradients.\n*   **Longevity:** By compensating for aging effects (e.g., OLED degradation, LED current droop), the effective lifespan of displays can be extended, maintaining visual quality over time.\n*   **Reliability:** The system becomes robust against environmental factors and internal component variations.\n\nAt a code level, implementing this would involve firmware for the pixel driving circuit (likely an ASIC or FPGA). This firmware would handle data acquisition from feedback lines, digital signal processing for error calculation, and modulation of output drivers. Advanced implementations might incorporate machine learning algorithms to predict degradation patterns and optimize correction strategies proactively.\n\n**Integration Patterns:**\nThis technology is highly applicable to active-matrix organic light-emitting diode (AMOLED) displays, micro-LED displays, and other emissive display technologies. It can be integrated directly into the display panel's gate and data driver ICs, or within a dedicated display controller chip. Its modular nature allows for scalable implementation across various display sizes and resolutions.\n\nIn conclusion, the Circuit and Method for Driving an Array of Light Emitting Pixels provides a sophisticated and essential framework for creating truly self-optimizing display systems. Its intelligent feedback loops and precise correction mechanisms are pivotal for overcoming the inherent challenges of light-emitting elements, paving the way for displays with unprecedented uniformity, stability, and durability.","business_analysis":"The Circuit and Method for Driving an Array of Light Emitting Pixels (US-9852689) represents a significant innovation with profound business implications for the global display market. Addressing the critical issues of pixel non-uniformity and degradation, this patent offers a compelling value proposition across various segments of the display ecosystem.\n\n**Market Opportunity Size:**\nThe global display market is a multi-billion dollar industry, projected to reach over $200 billion by 2027. This includes a vast array of devices from smartphones, tablets, and laptops to televisions, automotive displays, digital signage, and emerging AR/VR devices. All these segments heavily rely on light-emitting pixel arrays (OLED, LED, Micro-LED). Any technology that can fundamentally improve the quality, longevity, and reliability of these displays taps into a massive addressable market. The demand for flawless visual experiences is ever-increasing, making solutions like this invention highly valuable.\n\n**Competitive Advantages:**\nCompanies that adopt or license the Circuit and Method for Driving an Array of Light Emitting Pixels can gain substantial competitive advantages:\n1.  **Superior Product Quality:** Deliver displays with unmatched uniformity and color consistency throughout their lifespan, setting a new benchmark for visual excellence.\n2.  **Extended Product Lifespan:** Reduce the effects of display degradation (e.g., burn-in, uneven brightness), leading to longer-lasting products and higher customer satisfaction.\n3.  **Reduced Warranty Costs:** Fewer display-related defects and failures translate directly into lower warranty claims and after-sales support expenses, significantly improving profit margins.\n4.  **Brand Differentiation:** Position products as premium offerings known for their reliability and pristine image quality, fostering stronger brand loyalty.\n5.  **Enabler for Next-Gen Displays:** This technology is particularly crucial for the successful commercialization of highly challenging display types, such as micro-LEDs (where individual pixel control is complex) and flexible/foldable OLEDs (where mechanical stress can induce non-uniformities).\n\n**Revenue Potential and Business Models:**\nRevenue potential can be realized through several business models:\n*   **Licensing:** Display panel manufacturers (e.g., Samsung Display, LG Display, BOE) could license this technology to integrate into their display driver ICs (DDICs) or panel designs.\n*   **Component Sales:** Companies specializing in DDICs or display controllers could develop and sell chips incorporating this patented technology.\n*   **Premium Product Sales:** End-product manufacturers (e.g., Apple, Sony, Mercedes-Benz) can differentiate their high-end devices by advertising superior display quality and longevity, commanding premium prices.\n*   **Service & Calibration:** While less direct, the precise feedback mechanism could enable advanced calibration services or in-field self-optimization features.\n\n**Strategic Positioning:**\nThis invention strategically positions its adopters at the forefront of display technology. It moves beyond incremental improvements in resolution or refresh rates to address fundamental issues of display integrity. Companies leveraging this technology can lead the market in reliability and visual performance, potentially disrupting competitors relying on older, less adaptive driving methods. It supports a strategy focused on quality, durability, and a superior user experience, which are increasingly important factors in consumer and professional purchasing decisions.\n\n**ROI Projections:**\nInvesting in or licensing this technology can yield significant ROI through:\n*   **Cost Savings:** Reductions in warranty expenses, product returns, and potentially simplified manufacturing tolerances.\n*   **Increased Market Share:** Capturing a larger share of the premium display market due to differentiated product offerings.\n*   **Enhanced Brand Value:** Long-term benefits from a reputation for producing durable, high-quality displays.\n*   **Future-Proofing:** Gaining a competitive edge in emerging display technologies that will inherently benefit from precise feedback control.\n\nThe Circuit and Method for Driving an Array of Light Emitting Pixels is not just a technical solution; it's a strategic asset that can drive substantial business value by solving a pervasive and costly problem in the display industry.","faqs":[{"answer":"The Circuit and Method for Driving an Array of Light Emitting Pixels (US-9852689) is a patented technique designed to significantly improve the performance, uniformity, and longevity of displays that use light-emitting elements, such as OLEDs, LEDs, and micro-LEDs. At its core, this innovation introduces a sophisticated, closed-loop feedback system for driving pixels.\n\nInstead of simply sending a signal to a pixel, this invention ensures that the display driver actively 'listens' to the pixel's actual output and adjusts its input signal in real-time. This continuous monitoring and correction mechanism helps to counteract inconsistencies that arise from manufacturing variations, temperature changes, and the natural aging of display components.\n\nThe patent details the use of feedback data sources connected to both the data line and a dedicated feedback line of the pixel array. This data is then processed by a pixel driving circuit that includes a feedback path, enabling dynamic adjustments. Additionally, the system can incorporate reference elements for highly accurate input signal corrections, ensuring consistent visual quality throughout the display's operational life.\n\nKeywords: display technology, pixel driving, feedback control, light-emitting pixels, display uniformity, US-9852689.","question":"What is Circuit and Method for Driving an Array of Light Emitting Pixels?"},{"answer":"The Circuit and Method for Driving an Array of Light Emitting Pixels operates on a principle of continuous self-correction, much like an automated quality control system for every pixel. Here’s a breakdown of its key operational steps:\n\n1.  **Feedback Data Collection:** The display array is equipped with specialized feedback data sources. These sources are strategically connected to the display's data line (which carries the instructions to the pixels) and a dedicated feedback line. They continuously monitor the actual performance parameters of the light-emitting pixels, such as their emitted brightness, current draw, or voltage characteristics.\n2.  **Real-time Analysis:** The collected feedback data is transmitted back to a sophisticated pixel driving circuit. This circuit features a 'feedback path' that acts as an intelligent comparator. It analyzes the real-time pixel performance data against the desired performance (based on the image signal being displayed).\n3.  **Dynamic Correction:** If a discrepancy is detected (e.g., a pixel is dimmer than it should be), the feedback path calculates the necessary correction. The pixel driving circuit then dynamically adjusts the input signal being sent to that specific pixel, immediately compensating for the deviation. This ensures that the pixel achieves its target output.\n4.  **Reference Element Calibration:** The patent also includes the use of 'block of the reference elements.' These are highly stable, known-good pixels or dedicated calibration structures. By periodically comparing the feedback from active pixels against these reference elements, the system can fine-tune its corrections, ensuring absolute accuracy and compensating for any systemic drifts in the sensing or driving components.\n\nThis entire process happens continuously and at high speed, ensuring that the display maintains optimal uniformity and performance without any visible artifacts. Keywords: pixel operation, feedback loop, display driver, real-time correction, reference elements, display control system.","question":"How does Circuit and Method for Driving an Array of Light Emitting Pixels work?"},{"answer":"The Circuit and Method for Driving an Array of Light Emitting Pixels addresses a pervasive and costly problem in the display industry: the inherent inconsistency and degradation of light-emitting pixels. Modern displays, despite their advancements, suffer from several issues that diminish their quality and lifespan:\n\n1.  **Manufacturing Variations:** No two pixels are exactly alike due to manufacturing tolerances. These subtle differences can lead to noticeable unevenness in brightness or color across a new display.\n2.  **Pixel Degradation:** Over time, light-emitting elements naturally degrade. For instance, OLEDs can experience 'burn-in' or threshold voltage shifts, while LEDs can suffer from current droop. This differential aging causes some pixels to dim or change color faster than others, leading to patchy screens and reduced visual fidelity.\n3.  **Environmental Factors:** Temperature fluctuations and prolonged usage patterns can exacerbate these issues, further contributing to non-uniformity.\n\nPrior art solutions often rely on static factory calibration or limited in-pixel compensation, which are insufficient to adapt to dynamic changes or long-term degradation. This results in dissatisfied customers, high warranty costs for manufacturers, and a shorter effective product lifespan. This invention provides a comprehensive, adaptive solution to these challenges, ensuring displays maintain pristine quality throughout their operational life. Keywords: display problems, pixel inconsistency, screen degradation, OLED burn-in, display uniformity issues, display lifespan.","question":"What problem does Circuit and Method for Driving an Array of Light Emitting Pixels solve?"},{"answer":"The patent data provided indicates that the inventors of the Circuit and Method for Driving an Array of Light Emitting Pixels (US-9852689) are not listed in the provided abstract. This information is typically found in the full patent document under the 'Inventors' section.\n\nPatent filings usually name the individual inventors who contributed to the conception of the invention. While the assignee (the company or entity to whom the patent rights are transferred) is often a large corporation, the inventors are the specific individuals whose creative efforts led to the innovation. For this particular patent, the assignee is also not provided in the abstract, but would typically be a major display manufacturer or technology company.\n\nTo identify the specific inventors, one would need to consult the complete patent document available through patent databases. Keywords: patent inventors, US-9852689 inventors, patent assignee, display technology creators.","question":"Who invented Circuit and Method for Driving an Array of Light Emitting Pixels?"},{"answer":"The Circuit and Method for Driving an Array of Light Emitting Pixels offers a multitude of benefits that profoundly impact display quality, longevity, and manufacturing efficiency:\n\n1.  **Unmatched Display Uniformity:** By continuously monitoring and correcting individual pixel performance, the invention virtually eliminates spatial non-uniformities (mura) and ensures consistent brightness and color across the entire screen, from the moment it's first used until the end of its life.\n2.  **Extended Display Lifespan:** The active compensation for pixel degradation (e.g., OLED threshold voltage shifts, LED efficiency droop) significantly extends the effective operational life of displays. This reduces the problem of 'burn-in' and ensures displays maintain their visual integrity for much longer.\n3.  **Enhanced Reliability and Robustness:** The adaptive nature of the feedback system makes displays more resilient to environmental factors like temperature fluctuations and inherent component variations, leading to a more robust and reliable product.\n4.  **Reduced Warranty Costs:** For manufacturers, fewer display-related defects and failures translate directly into lower warranty claims, repair costs, and improved customer satisfaction, positively impacting their bottom line.\n5.  **Enabler for Next-Generation Displays:** This precise, real-time control is critical for the successful commercialization and widespread adoption of advanced display technologies such as micro-LEDs (which have inherently variable tiny pixels) and flexible/foldable OLEDs (which can experience stress-induced non-uniformities).\n\nOverall, this invention elevates the standard for display performance, offering a superior visual experience for consumers and significant competitive advantages for manufacturers. Keywords: display benefits, pixel uniformity, extended lifespan, display reliability, reduced costs, micro-LED, OLED.","question":"What are the key benefits of Circuit and Method for Driving an Array of Light Emitting Pixels?"},{"answer":"The Circuit and Method for Driving an Array of Light Emitting Pixels distinguishes itself from prior art by moving beyond static or limited compensation techniques to a truly dynamic, closed-loop feedback control system. Here’s a comparison:\n\n1.  **Open-Loop vs. Closed-Loop:** Prior art often relies on open-loop driving, where signals are sent without verifying actual pixel output. This invention uses a closed-loop system with feedback data sources and a feedback line, allowing for real-time monitoring and correction.\n2.  **Static vs. Dynamic Compensation:** Many existing methods involve pre-calibration at the factory or basic in-pixel compensation circuits that are static or have limited adaptability. This patent enables continuous, real-time adjustments that adapt to ongoing degradation and dynamic environmental changes.\n3.  **Inferred vs. Direct Feedback:** While some prior solutions might infer pixel performance based on models, the Circuit and Method for Driving an Array of Light Emitting Pixels explicitly uses integrated feedback data sources to directly sense actual pixel parameters, providing highly accurate diagnostic information.\n4.  **Lack of Reference Elements vs. Integrated Reference Elements:** The inclusion of 'block of the reference elements for input signal corrections' is a key differentiator. This allows for absolute calibration and compensation for systemic errors, enhancing precision beyond what relative or model-based corrections can achieve.\n5.  **Limited Degradation Mitigation vs. Comprehensive Longevity:** Prior art struggles with long-term display degradation like burn-in. This invention proactively compensates for these effects, significantly extending the effective lifespan and maintaining consistent visual quality over years.\n\nIn essence, this patent offers a more intelligent, adaptive, and precise approach to pixel driving, overcoming the fundamental limitations of previous display technologies. Keywords: prior art comparison, display innovation, feedback control systems, pixel compensation, display technology differences, real-time correction.","question":"How is Circuit and Method for Driving an Array of Light Emitting Pixels different from prior art?"},{"answer":"The Circuit and Method for Driving an Array of Light Emitting Pixels is poised to have a transformative impact across a wide range of industries that rely heavily on light-emitting display technologies. Its ability to ensure pixel uniformity, extend lifespan, and enhance reliability makes it valuable in numerous sectors:\n\n1.  **Consumer Electronics:** This includes smartphones, tablets, laptops, smartwatches, and televisions. Consumers will benefit from longer-lasting devices with consistently vibrant and uniform screens, free from issues like burn-in or patchy brightness.\n2.  **Automotive Industry:** Modern vehicles increasingly incorporate sophisticated digital dashboards and infotainment systems. This technology ensures these displays are reliable, consistent, and durable enough to withstand varying temperatures and prolonged use, crucial for safety and user experience.\n3.  **Professional and Medical Displays:** For applications requiring absolute color accuracy and image consistency, such as medical imaging (e.g., radiology monitors) or graphic design/video editing, this invention guarantees the precision needed for critical work.\n4.  **Digital Signage and Advertising:** Large-format LED and OLED displays used in public spaces, billboards, and retail environments will benefit from extended life and maintained vibrancy, reducing maintenance costs and ensuring impactful visual communication.\n5.  **Augmented Reality (AR) and Virtual Reality (VR):** Achieving immersive and comfortable AR/VR experiences demands pixel-perfect control and uniformity to prevent visual artifacts that can cause discomfort. This technology is a critical enabler for the next generation of head-mounted displays.\n6.  **Aerospace and Defense:** High-reliability displays are essential in cockpits and control centers where visual clarity and operational consistency are paramount.\n\nBy addressing fundamental display challenges, this patent enables superior product offerings and opens new possibilities for innovation across these diverse sectors. Keywords: industry impact, display applications, consumer electronics, automotive displays, medical imaging, digital signage, AR/VR, display market.","question":"What industries will Circuit and Method for Driving an Array of Light Emitting Pixels impact?"},{"answer":"The Circuit and Method for Driving an Array of Light Emitting Pixels, identified by patent number US-9852689, has specific dates associated with its filing and publication.\n\nAccording to the provided patent data:\n\n*   **Filing Date:** The patent application for this invention was filed on **2016-09-15** (September 15, 2016). This is the date when the inventors or their assignees submitted the application to the patent office, initiating the examination process.\n*   **Publication Date:** The patent was subsequently published on **2017-12-26** (December 26, 2017). The publication date is when the patent office makes the details of the application publicly available, regardless of whether it has been granted yet. In this case, since it's a US-granted patent (indicated by 'US-'), the publication date often coincides with or is very close to the grant date.\n\nThe grant date, which signifies the official issuance of the patent rights, is typically the same as the publication date for granted US patents. These dates are crucial for understanding the patent's timeline, its prior art implications, and the duration of its legal protection. Keywords: patent filing date, patent publication date, US-9852689 timeline, patent grant, intellectual property dates.","question":"When was Circuit and Method for Driving an Array of Light Emitting Pixels filed/granted?"},{"answer":"The commercial applications of the Circuit and Method for Driving an Array of Light Emitting Pixels are extensive, spanning any product or system that incorporates light-emitting displays. Its ability to ensure pixel uniformity, extend lifespan, and enhance reliability provides significant commercial advantages:\n\n1.  **Premium Consumer Devices:** High-end smartphones, tablets, laptops, and televisions can leverage this technology to offer superior, long-lasting visual experiences, justifying premium price points and bolstering brand loyalty.\n2.  **Automotive Infotainment and Dashboards:** With the shift towards fully digital vehicle interiors, reliable and consistent displays are paramount. This invention ensures critical information is always clearly and uniformly presented, enhancing safety and luxury.\n3.  **Professional Monitors and Medical Devices:** Industries requiring uncompromising visual accuracy, such as graphic design, film production, and medical diagnostics, can integrate this technology into their monitors to guarantee precise color reproduction and consistent brightness over time.\n4.  **Large-Scale Digital Signage:** Public displays, often exposed to harsh environmental conditions, can benefit from reduced maintenance and extended operational life, ensuring advertising and information remains vibrant and impactful for longer.\n5.  **Advanced AR/VR Headsets:** For truly immersive augmented and virtual reality, perfect pixel uniformity and stable performance are essential to prevent user discomfort and enhance realism. This patent provides a critical foundation for such devices.\n6.  **Industrial Control Panels:** In industrial settings, where displays often operate in demanding conditions, this technology can ensure reliability and clear readability of crucial operational data.\n\nBy addressing fundamental display challenges, this invention enables manufacturers to create more competitive, durable, and visually appealing products across diverse markets. It represents a key enabler for next-generation display commercialization. Keywords: commercial applications, display products, market segments, OLED commercialization, micro-LED applications, product differentiation, display reliability.","question":"What are the commercial applications of Circuit and Method for Driving an Array of Light Emitting Pixels?"},{"answer":"The Circuit and Method for Driving an Array of Light Emitting Pixels lays a strong foundation for future advancements in display technology. Several key developments can be anticipated:\n\n1.  **Integration into Micro-LED and Flexible Displays:** As micro-LED technology matures and flexible/foldable displays become more common, this feedback control system will be crucial for overcoming their inherent challenges in uniformity and durability. Expect to see widespread adoption in these cutting-edge form factors.\n2.  **Predictive Degradation Algorithms:** Future iterations could incorporate machine learning and AI to not just react to degradation but to predict it. By analyzing historical feedback data, the system could proactively adjust pixel driving signals to prevent visible degradation before it even occurs, further extending display life.\n3.  **Enhanced Sensing Modalities:** Research may lead to more sophisticated and non-invasive feedback data sources, capable of measuring a wider array of pixel performance metrics with even greater precision and efficiency, without impacting display transparency or aperture ratio.\n4.  **Distributed and Self-Organizing Systems:** For extremely large or complex displays, the control might become more distributed, with localized feedback loops and self-organizing algorithms that allow segments of the display to optimize themselves autonomously.\n5.  **Adaptive to User and Environment:** Beyond just pixel health, future systems could adapt display performance based on real-time environmental factors (e.g., ambient light, temperature) and even user biometrics or preferences, delivering a truly personalized and optimized viewing experience.\n\nThis patent is a stepping stone towards truly intelligent, self-aware, and self-optimizing displays that offer unparalleled longevity and visual perfection, pushing the boundaries of what's possible in human-computer interaction. Keywords: future display tech, micro-LED developments, predictive maintenance, display AI, adaptive displays, self-optimizing screens, display innovation roadmap.","question":"What are the future developments expected for Circuit and Method for Driving an Array of Light Emitting Pixels?"}],"topics":["Circuit and Method for Driving an Array of Light Emitting Pixels","display technology","pixel uniformity","light-emitting pixels","feedback control","quest","perfect","display"],"tech_cluster":null},"seo":{"title":"Pixel Perfection: Circuit and Method for Driving an Array of Light Emitting Pixels - US-9852689","description":"Discover the Circuit and Method for Driving an Array of Light Emitting Pixels patent. This innovation uses feedback to achieve flawless display uniformity and extend screen lifespan.","keywords":["Circuit and Method for Driving an Array of Light Emitting Pixels","display technology","pixel uniformity","light-emitting pixels","feedback control","display drivers","OLED","micro-LED","display innovation","patent US-9852689","screen degradation","display longevity"]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9852689","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-9852689","citation_suggestion":"Patentable. \"Circuit and method for driving an array of light emitting pixels\" (US-9852689). https://patentable.app/patents/US-9852689","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9852689","json":"https://patentable.app/api/llm-context/US-9852689","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T12:35:52.468Z"}