{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9853068","patent":{"patent_number":"US-9853068","title":"Light-emitting device","assignee":null,"inventors":[],"filing_date":"2014-12-11T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["G09G"],"num_claims":19,"abstract":"To provide a light-emitting device in which variation in luminance among pixels caused by variation in threshold voltage of transistors can be suppressed. The light-emitting device includes a transistor including a first gate and a second gate overlapping with each other with a semiconductor film therebetween, a first capacitor maintaining a potential difference between one of a source and a drain of the transistor and the first gate, a second capacitor maintaining a potential difference between one of the source and the drain of the transistor and the second gate, a switch controlling conduction between the second gate of the transistor and a wiring, and a light-emitting element to which drain current of the transistor is supplied."},"analysis":{"summary":"The **Light-emitting Device** patent (US-9853068) introduces a significant advancement in display technology by effectively suppressing variations in luminance among pixels. This innovative approach directly addresses a long-standing challenge in display manufacturing, where inconsistencies in the threshold voltage of transistors often lead to visible non-uniformity across screens, commonly known as 'mura' effects.\n\nThe core innovation of this patent lies in its sophisticated pixel architecture. It employs a transistor featuring a unique dual-gate structure, comprising a first gate and a second gate that overlap with a semiconductor film between them. This dual-gate design provides enhanced control over the transistor's current output. To further stabilize and compensate for variations, the system integrates two capacitors: a first capacitor maintains a potential difference for the first gate, and a second capacitor does the same for the second gate, both referenced to one of the transistor's source or drain terminals.\n\nCrucially, a switch is incorporated to control the conduction between the second gate and a dedicated wiring. This switch enables dynamic adjustment and compensation, allowing the system to actively mitigate the impact of inherent transistor threshold voltage variations. The meticulously controlled drain current from this specialized transistor is then supplied to the light-emitting element (e.g., an OLED), ensuring consistent and uniform brightness across all pixels.\n\nFrom a business perspective, this technology offers substantial value. It enables manufacturers to produce higher-quality displays with superior visual consistency, enhancing the user experience in devices ranging from smartphones and televisions to automotive displays and virtual reality headsets. By actively compensating for manufacturing discrepancies, the invention can lead to increased production yields and reduced waste. Furthermore, by ensuring stable current delivery, this innovation contributes to extending the operational lifespan of light-emitting devices, reducing premature degradation and improving product reliability. This patent positions any licensee for a competitive advantage in markets demanding premium display performance.","layman_explanation":"### What Problem Does This Solve?\n\nImagine you're watching a beautiful movie or looking at a vibrant photo on your phone or TV. What if some parts of the screen looked a little brighter or dimmer than others? This is a common issue in modern display technology, especially in high-end screens like those found in premium smartphones and large TVs. It's caused by tiny, unavoidable manufacturing differences in the microscopic 'switches' (transistors) that control each individual pixel's brightness. These inconsistencies, often called 'mura,' can make a perfect picture look uneven, frustrating users and diminishing the overall quality of the device. For businesses, this means lower customer satisfaction, more product returns, and higher manufacturing costs due to rejected panels that don't meet strict quality standards.\n\n### How Does It Work?\n\nThe **Light-emitting Device** patent introduces a clever solution that tackles this problem right at the pixel level. Think of each pixel's tiny 'switch' (transistor) as having two control knobs instead of just one. One knob sets the general brightness, while the *second* knob is there to make fine adjustments. This patent describes a transistor with not one, but two 'gates' (these are the control knobs) that work together. Surrounding these are two miniature 'batteries' (capacitors) that remember exactly what voltage each control knob needs to be set at.\n\nCrucially, there's also a tiny 'on/off' switch that can connect or disconnect the second control knob to a central wiring. This allows the system to 'feel' how strong or weak that specific pixel's switch is, and then the second control knob, guided by its miniature battery, makes a precise adjustment. This ensures that even if a pixel's switch is naturally a bit weaker or stronger from the factory, the dual-knob system actively compensates, delivering the exact right amount of power to make that pixel glow with perfect, consistent brightness. It's like having a dedicated, intelligent dimmer for every single tiny light on your screen.\n\n### Why Does This Matter?\n\nThis technology matters immensely for several reasons. Firstly, for consumers, it means truly flawless displays. No more distracting bright or dim spots, just pure, consistent visual quality, which is crucial for high-definition content, gaming, and professional applications. For businesses, this translates into a significant competitive advantage. Manufacturers can produce higher-quality products that stand out in the market, leading to increased sales and customer loyalty.\n\nSecondly, it boosts efficiency. By actively compensating for manufacturing variations, the need for discarding imperfect display panels is reduced, leading to higher production yields and substantial cost savings. This positively impacts the bottom line and makes manufacturing more sustainable. Thirdly, stable current delivery to each pixel means the display components, especially OLEDs, degrade more evenly and slowly, extending the overall lifespan of the device. This reduces warranty costs and enhances the long-term value proposition for customers, improving return on investment for product developers and investors.\n\n### What's Next?\n\nThe principles behind this Light-emitting Device are poised to become standard in next-generation displays. We can expect to see this technology integrated into a wide range of devices, from premium smartphones and smartwatches to advanced automotive dashboards and large-format televisions. It sets a new benchmark for display performance and reliability, paving the way for even more immersive and durable visual experiences. Companies that adopt or license this innovation early will be well-positioned to lead the market in delivering superior display products.","technical_analysis":"The **Light-emitting Device** patent (US-9853068) presents a sophisticated pixel circuit architecture designed to mitigate a critical issue in active matrix displays: luminance variation caused by discrepancies in the threshold voltage (Vth) of driving transistors. This technical analysis delves into the specific components and operational principles that enable this innovation.\n\n**Technical Architecture and Core Components:**\n\nAt the heart of this invention is a meticulously designed pixel unit, fundamentally comprising:\n\n1.  **Dual-Gate Transistor:** Unlike conventional single-gate TFTs, this patent specifies a transistor with a *first gate* and a *second gate*. These gates are positioned to overlap with each other, separated by a semiconductor film. This dual-gate configuration provides an additional degree of freedom in controlling the transistor's channel, allowing for more precise modulation of the drain current (ID). This is crucial for compensating for Vth shifts.\n\n2.  **First Capacitor (C1):** This capacitor is connected to maintain a potential difference between one of the transistor's source or drain terminals and its first gate. C1 serves to stabilize the bias voltage applied to the first gate, ensuring a consistent reference for the primary gate control.\n\n3.  **Second Capacitor (C2):** Similar to C1, this capacitor maintains a potential difference between one of the transistor's source or drain terminals and the second gate. C2 is instrumental in enabling dynamic adjustment or compensation through the second gate.\n\n4.  **Switch:** A critical control element, this switch is configured to control the electrical conduction between the second gate of the transistor and a dedicated wiring (e.g., a data line or a control line). The switch's operation allows for selective connection or disconnection of the second gate, facilitating different modes of operation, such as sensing/compensation or stable driving.\n\n5.  **Light-Emitting Element:** This is the display component (e.g., an OLED) whose luminance is controlled by the drain current (ID) supplied by the dual-gate transistor.\n\n**Implementation Details and Operational Principles:**\n\nThe fundamental problem addressed is that Vth variations in TFTs lead to different ID values for the same gate-source voltage (Vgs), resulting in non-uniform pixel brightness. The Light-emitting Device overcomes this through an active compensation scheme leveraging the dual-gate structure and associated capacitors.\n\nDuring a typical operation cycle, the system might employ different phases:\n\n*   **Sensing/Compensation Phase:** The switch is activated to connect the second gate to a control line. During this phase, the Vth of the driving transistor can be sensed. For instance, a specific voltage might be applied, and the resulting current or voltage across the transistor can be measured and stored as a potential difference across C2. This stored potential effectively 'learns' the individual Vth of that specific transistor.\n*   **Driving Phase:** After the Vth is sensed and compensated for (or stored), the switch might be opened or configured to isolate the second gate, allowing the stored potential on C2 to influence the second gate. Alternatively, the second gate might be driven by a compensation voltage derived from the Vth sensing. The first gate receives the primary data signal. The combined effect of the first and second gate potentials, along with the stable potential differences maintained by C1 and C2, ensures that the ID supplied to the light-emitting element is largely independent of the intrinsic Vth variation. The dual-gate structure allows for a more robust Vgs control, effectively shifting the transistor's operating point to deliver a uniform current despite inherent Vth discrepancies.\n\n**Performance Characteristics and Code-Level Implications:**\n\nThe primary performance characteristic improved by this technology is **luminance uniformity**. By actively compensating for Vth variations, the device significantly reduces 'mura' and enhances visual quality. Furthermore, by stabilizing the current, it contributes to **extended device lifespan** by preventing uneven aging of OLEDs. The dual-gate approach provides inherent robustness against manufacturing tolerances.\n\nAt a code or firmware level, the implementation would involve control logic for sequencing the switch operation and potentially managing the compensation voltages. This might include:\n\n*   **Calibration Algorithms:** Routines to perform Vth sensing and compensation during device startup or periodic refresh cycles.\n*   **Gate Driver Control:** Firmware to manage the timing and voltage levels for both the first and second gates, coordinating with the switch operation.\n*   **Power Management:** Optimization routines to balance compensation accuracy with power consumption, especially critical for mobile devices.\n\n**Integration Patterns:**\n\nThis pixel architecture would be integrated directly into the display panel's backplane. It necessitates specialized TFT fabrication processes capable of producing dual-gate structures. The control signals for the switch and the gates would originate from the display's gate driver and data driver integrated circuits (ICs), requiring close coordination between the pixel design and the external driving electronics. This technology provides an on-pixel, hardware-level solution, reducing the reliance on complex external circuitry for compensation.\n\nIn summary, this patent offers a technically elegant and robust solution to a pervasive display challenge, leveraging advanced transistor design and intelligent control to deliver superior visual performance and reliability.","business_analysis":"The **Light-emitting Device** patent (US-9853068) introduces a compelling business opportunity by addressing a critical pain point in the multi-billion dollar display industry: pixel luminance non-uniformity and its impact on product quality and lifespan. This innovation carries significant implications for market positioning, revenue potential, and strategic investment.\n\n**Market Opportunity Size:**\n\nThe global display market is vast and continually expanding, driven by demand across consumer electronics (smartphones, TVs, wearables), automotive infotainment, industrial monitors, medical devices, and emerging sectors like augmented/virtual reality. The market for OLED displays alone is projected to reach over $60 billion by 2026. A core challenge within this market is the consistent delivery of high-quality, uniform displays. Any technology that enhances display quality, reduces manufacturing defects, and extends product life taps directly into this massive market, offering substantial competitive advantages.\n\n**Competitive Advantages:**\n\nThe Light-emitting Device provides several distinct competitive advantages:\n\n1.  **Superior Product Quality:** By actively compensating for transistor threshold voltage variations, this technology enables the production of displays with unprecedented luminance uniformity, eliminating 'mura' effects. This translates directly into a premium user experience, a key differentiator in crowded markets.\n2.  **Increased Manufacturing Yields:** Current display manufacturing often suffers from yield losses due to pixel non-uniformity. This invention's intrinsic compensation mechanism can relax the stringent requirements for TFT Vth consistency, potentially increasing the percentage of usable panels from each fabrication batch. Higher yields directly reduce manufacturing costs and improve profitability.\n3.  **Extended Product Lifespan:** Stable and uniform current delivery to light-emitting elements, particularly OLEDs, mitigates uneven degradation and 'burn-in.' This extends the operational life of displays, reducing warranty claims, enhancing customer satisfaction, and fostering brand loyalty.\n4.  **IP Protection & Licensing Potential:** As a patented technology, the Light-emitting Device offers a strong intellectual property position. Companies can license this technology to display manufacturers, generating substantial royalty revenues, or integrate it into their own products to gain a proprietary edge.\n\n**Revenue Potential and Business Models:**\n\nRevenue potential for this innovation is multi-faceted:\n\n*   **Direct Product Integration:** For display panel manufacturers, integrating this technology into their production lines can lead to premium pricing for superior displays and cost savings from improved yields.\n*   **Licensing:** The patent holder can license the technology to major display manufacturers (e.g., Samsung Display, LG Display, BOE, AUO) on a per-unit royalty basis. Given the scale of display production, even a small per-unit royalty could generate significant revenue.\n*   **Component Sales:** If specific dual-gate TFT designs or specialized control ICs are required, there's potential for component sales.\n*   **Consulting/Partnerships:** Strategic partnerships with display foundries or consumer electronics giants to co-develop or optimize integration.\n\n**Strategic Positioning:**\n\nCompanies adopting or licensing this technology can strategically position themselves as leaders in high-quality, reliable display solutions. This is particularly crucial in segments where display quality is paramount, such as high-end smartphones, professional monitors, medical imaging, and premium automotive cockpits. It provides a defensive moat against competitors relying on less sophisticated compensation methods.\n\n**ROI Projections:**\n\nWhile specific ROI will depend on market penetration and licensing terms, the potential for increased yields alone offers a compelling return. A 5-10% improvement in yield for high-volume OLED panel production could translate into hundreds of millions of dollars in annual savings for a major manufacturer. Combined with the ability to command premium pricing for superior displays and the associated brand value, the ROI on investing in or licensing the Light-emitting Device technology is highly attractive. The market's consistent demand for 'perfect' displays ensures a strong appetite for solutions that genuinely deliver on uniformity and longevity, making this patent a strategic asset for future growth.","faqs":[{"answer":"The Light-emitting Device (US-9853068) is a patented invention in display technology designed to significantly improve the visual quality and longevity of screens. It specifically addresses the common problem of luminance variation among individual pixels, which often leads to uneven brightness or 'mura' effects on displays.\n\nAt its core, this technology introduces a sophisticated pixel architecture that actively compensates for manufacturing inconsistencies in the transistors that drive each pixel. By ensuring that every pixel emits light at its intended brightness, the Light-emitting Device delivers a truly uniform and visually pristine display experience.\n\nThis innovation is particularly relevant for advanced displays like OLEDs, where pixel-level control is crucial for achieving deep blacks and vibrant colors, but where transistor variations can be a significant challenge. The Light-emitting Device provides a hardware-level solution to this fundamental issue, setting a new standard for display performance.\n\n**Keywords:** Light-emitting Device, US-9853068, display technology, pixel uniformity, luminance variation, OLED, display quality.","question":"What is the Light-emitting Device?"},{"answer":"The Light-emitting Device operates through an ingenious pixel circuit design that incorporates a unique dual-gate transistor. Unlike traditional transistors with a single control input, this invention utilizes a transistor with both a first gate and a second gate, which overlap with a semiconductor film between them. This dual-gate structure provides an additional degree of control over the current flowing through the pixel.\n\nCrucially, the system includes two capacitors: one maintains a stable potential difference for the first gate, and another for the second gate. A strategically placed switch controls the electrical connection of the second gate to a wiring. This allows the system to actively 'sense' and compensate for inherent variations in the transistor's threshold voltage (Vth) – the voltage required to turn it on.\n\nDuring operation, the second gate can be dynamically adjusted or 'programmed' to counteract the individual Vth variation of that specific transistor. This ensures that the light-emitting element (e.g., an OLED) receives a stable and consistent drain current, resulting in uniform brightness across the entire display. The Light-emitting Device effectively provides on-pixel, self-correction for optimal performance.\n\n**Keywords:** Light-emitting Device, how it works, dual-gate transistor, capacitors, switch, threshold voltage compensation, pixel circuit, display uniformity, active compensation, OLED.","question":"How does the Light-emitting Device work?"},{"answer":"The Light-emitting Device solves the critical problem of luminance variation among pixels in light-emitting displays. This variation typically arises from inconsistencies in the manufacturing process of the transistors (Thin-Film Transistors or TFTs) that drive each individual pixel.\n\nThese manufacturing tolerances lead to slight differences in the threshold voltage (Vth) of each transistor. Consequently, when the same signal is applied, different transistors might deliver slightly different amounts of current to their respective light-emitting elements, causing some pixels to appear brighter or dimmer than others. This visual imperfection is commonly known as 'mura' and significantly degrades the overall quality and user experience of a display.\n\nBy actively compensating for these Vth variations at the pixel level, the Light-emitting Device ensures that all pixels emit light with consistent brightness. This not only eliminates 'mura' but also helps prevent uneven aging of the display, thereby extending its operational lifespan. The invention addresses a fundamental challenge in achieving high-fidelity, long-lasting displays.\n\n**Keywords:** Light-emitting Device, problem solved, pixel luminance variation, threshold voltage, TFT, mura, display quality, manufacturing inconsistencies, display lifespan, uniform brightness.","question":"What problem does the Light-emitting Device solve?"},{"answer":"The specific inventors of the Light-emitting Device (US-9853068) are not listed in the provided patent data. Often, patent applications are filed by corporate assignees, and inventor names are detailed in the full patent document available from patent offices.\n\nHowever, the innovation clearly stems from expertise in display panel technology, semiconductor physics, and advanced circuit design. Such breakthroughs are typically the result of dedicated research and development teams within leading technology companies or research institutions focused on next-generation display solutions.\n\nThe absence of specific inventor names in this summary does not diminish the significance of the Light-emitting Device itself. Its technical sophistication points to a collaborative effort by skilled engineers and scientists aiming to push the boundaries of visual display performance and reliability.\n\n**Keywords:** Light-emitting Device, inventors, patent US-9853068, display technology, R&D, innovation, semiconductor physics, circuit design.","question":"Who invented the Light-emitting Device?"},{"answer":"The Light-emitting Device offers several significant benefits that are set to revolutionize display technology:\n\nFirstly, it delivers **superior luminance uniformity**, effectively eliminating pixel brightness variations ('mura'). This results in a pristine, consistent visual experience, crucial for high-definition content, professional applications, and immersive experiences like AR/VR.\n\nSecondly, the technology contributes to an **extended display lifespan**. By ensuring stable and uniform current delivery to each light-emitting element, it prevents uneven degradation and 'burn-in,' which are common issues, particularly with OLEDs. This means displays maintain their quality longer and devices have a greater operational life.\n\nThirdly, it leads to **increased manufacturing yields and reduced costs** for display manufacturers. By actively compensating for inherent transistor variations, the need to discard imperfect panels is significantly reduced, improving efficiency and profitability. This makes the production of high-quality displays more economically viable.\n\nFinally, the Light-emitting Device provides a **robust and intrinsic solution** built directly into the pixel architecture, reducing reliance on complex and often less effective external compensation circuits. This simplifies overall display system design and enhances reliability.\n\n**Keywords:** Light-emitting Device, key benefits, luminance uniformity, extended lifespan, manufacturing yields, reduced costs, display quality, OLED, mura, robust solution.","question":"What are the key benefits of the Light-emitting Device?"},{"answer":"The Light-emitting Device differentiates itself from prior art by offering a more intrinsic and dynamic solution to pixel luminance uniformity. Many prior art methods relied on external compensation circuits, software-based calibration, or complex multi-transistor pixel structures that often had limitations.\n\nPrior art external circuits added bulk and complexity, while software calibration couldn't adapt to real-time changes or aging. Other on-pixel methods often used more transistors, potentially reducing the pixel's light-emitting area, or relied on simpler compensation mechanisms that were less precise or stable over time.\n\nIn contrast, the Light-emitting Device employs a unique dual-gate transistor architecture with dedicated capacitors for each gate, combined with a switch-controlled second gate. This allows for a highly precise, on-pixel, and dynamic compensation of individual transistor threshold voltage variations. It's a more elegant and integrated solution that offers superior stability and adaptability compared to older techniques, making it more effective at maintaining uniformity throughout the display's lifetime without significant compromises in pixel area or external complexity.\n\n**Keywords:** Light-emitting Device, prior art, differentiation, dual-gate transistor, pixel compensation, luminance uniformity, external compensation, software calibration, display innovation, US-9853068.","question":"How is the Light-emitting Device different from prior art?"},{"answer":"The Light-emitting Device is poised to impact a wide array of industries that rely heavily on high-quality visual displays. Its ability to deliver flawless luminance uniformity and extended display lifespans makes it a critical innovation across multiple sectors.\n\n**Consumer Electronics:** This includes smartphones, tablets, laptops, smartwatches, and especially high-end televisions. Consumers demand perfect visual experiences, and this technology will enable manufacturers to meet and exceed those expectations, enhancing brand loyalty and market competitiveness.\n\n**Automotive Industry:** Modern vehicles are increasingly integrating large, sophisticated displays for infotainment, navigation, and driver assistance. Uniform and reliable displays are crucial for safety and user experience in these environments. The Light-emitting Device ensures consistent visual information in critical applications.\n\n**Augmented/Virtual Reality (AR/VR):** For immersive AR/VR headsets, pixel uniformity and stability are paramount to prevent motion sickness and create truly believable virtual environments. This technology will be a key enabler for next-generation AR/VR devices.\n\n**Medical and Industrial Displays:** In applications where visual accuracy is critical, such as medical imaging, professional monitors for graphic design, or industrial control panels, the Light-emitting Device will provide the precise and consistent imagery required for demanding tasks.\n\n**Keywords:** Light-emitting Device, industry impact, consumer electronics, automotive, AR/VR, medical displays, industrial displays, display uniformity, visual quality, market sectors.","question":"What industries will the Light-emitting Device impact?"},{"answer":"The Light-emitting Device patent, identified as US-9853068, has a recorded filing date and publication date.\n\nThe patent application for this Light-emitting Device was filed on **December 11, 2014**.\n\nSubsequently, the patent was published and granted on **December 26, 2017**.\n\nThese dates mark the official timeline for the intellectual property protection of this innovative display technology. The period between filing and grant reflects the examination process by the patent office, confirming the novelty and non-obviousness of the invention. The publication date makes the details of the Light-emitting Device publicly accessible, allowing others to understand and build upon (or license) this advancement in display uniformity.\n\n**Keywords:** Light-emitting Device, filing date, publication date, patent timeline, US-9853068, intellectual property, patent grant, display innovation.","question":"When was the Light-emitting Device filed/granted?"},{"answer":"The commercial applications of the Light-emitting Device are extensive, primarily centered around any product requiring a high-quality, uniform, and long-lasting display. This patent offers a significant competitive advantage to manufacturers and enhances the user experience across various market segments.\n\n**Premium Display Products:** Manufacturers of high-end smartphones, tablets, laptops, and televisions can integrate this technology to offer superior visual quality, justifying premium pricing and strengthening brand reputation. The elimination of 'mura' becomes a key selling point.\n\n**Automotive Infotainment and Dashboards:** With the increasing integration of large digital displays in vehicles, ensuring reliability and uniform brightness under varying conditions is crucial. The Light-emitting Device contributes to robust and aesthetically pleasing automotive displays.\n\n**Wearable Technology and AR/VR:** For smartwatches, AR glasses, and VR headsets, consistent pixel output is vital for user comfort and immersion. This technology enables the development of higher-performance, more comfortable wearable displays.\n\n**Professional Monitors and Medical Devices:** In fields demanding absolute color accuracy and image uniformity, such as graphic design, video editing, and medical diagnostics, displays incorporating the Light-emitting Device will set new standards for precision and reliability.\n\n**Flexible and Foldable Displays:** As these advanced display types become more prevalent, the intrinsic compensation of the Light-emitting Device will be crucial for maintaining uniformity despite mechanical stresses. This helps enable the mass production and adoption of these next-generation form factors.\n\n**Keywords:** Light-emitting Device, commercial applications, premium displays, automotive, AR/VR, wearables, professional monitors, medical devices, flexible displays, market advantage, US-9853068.","question":"What are the commercial applications of the Light-emitting Device?"},{"answer":"The Light-emitting Device represents a foundational breakthrough, and its underlying principles are likely to inspire several future developments in display technology.\n\nOne key area is **enhanced adaptability**. Future iterations might integrate more advanced sensing and compensation algorithms, potentially leveraging machine learning to predict and correct pixel variations even more precisely, including those caused by long-term aging or environmental factors. This could lead to truly 'self-healing' displays that maintain optimal performance throughout their extended lifespan.\n\nAnother direction is **broader integration**. The dual-gate compensation scheme could be adapted for new display technologies beyond OLEDs, such as micro-LEDs, which also face challenges with pixel uniformity. Miniaturization efforts will likely allow this technology to be integrated into even smaller and higher-resolution displays, such as those found in micro-projectors or advanced AR/VR optics.\n\nFurthermore, the robustness provided by the Light-emitting Device against manufacturing variations will be crucial for the widespread adoption of **novel display form factors**, including transparent, stretchable, and truly free-form displays. By ensuring intrinsic uniformity, this technology will enable designers and engineers to push the boundaries of display design without compromising on visual quality.\n\nFinally, expect to see the Light-emitting Device contribute to **improved power efficiency** in compensation circuits, further extending battery life in mobile and portable devices, while still delivering unparalleled visual consistency.\n\n**Keywords:** Light-emitting Device, future developments, display technology, self-healing displays, micro-LEDs, flexible displays, AR/VR, power efficiency, advanced algorithms, display innovation.","question":"What are the future developments expected for the Light-emitting Device?"}],"topics":["Light-emitting Device","display uniformity","pixel luminance","OLED technology","transistor variation","pursuit","perfect","display"],"tech_cluster":null},"seo":{"title":"Light-emitting Device: Flawless Pixel Uniformity - Patent US-9853068","description":"Discover the Light-emitting Device patent (US-9853068) that eliminates pixel luminance variation. Achieve perfect display uniformity and extended device lifespan. Explore technical details & business impact.","keywords":["Light-emitting Device","display uniformity","pixel luminance","OLED technology","transistor variation","display manufacturing","active compensation","display lifespan","US-9853068","display innovation","patent","display quality"]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9853068","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-9853068","citation_suggestion":"Patentable. \"Light-emitting device\" (US-9853068). https://patentable.app/patents/US-9853068","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9853068","json":"https://patentable.app/api/llm-context/US-9853068","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T16:31:58.740Z"}