Micro-LED EQE / Droop Patent Landscape 2026
Meta Platforms Technologies holds a commanding position in Micro-LED EQE and droop innovation, accounting for the single largest bloc among 188 patent families in scope, with the field dominated by semiconductor device claims under H01L. Annual filing volume peaked in 2021 and has eased since, though new entrants including Google and Applied Materials signal continued strategic interest in the space.
Meta Platforms leads a highly concentrated field
Meta Platforms Technologies LLC ranks first with 73 patent families, a lead that is more than three times larger than the second-ranked Intel Corp at 21 patent families. Google LLC and Plessey Semiconductors each hold 10 patent families, followed by Applied Materials at 8.
The top five filers collectively account for 61% of the hundred largest filers’ combined total, indicating a sharply concentrated competitive structure with a pronounced tier gap between the top two and the rest of the ranked field.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | Meta Platforms Technologies LLC | 73 | |
| 2 | Intel Corporation | 21 | |
| 3 | Google LLC | 10 | |
| 4 | Plessey Semiconductors Ltd | 10 | |
| 5 | Applied Materials Inc | 8 | |
| 6 | Fujian Qiangli Photoelectricity | 5 | |
| 7 | BOE Technology Group Co Ltd | 5 | |
| 8 | Wolfspeed Inc | 5 | |
| 9 | PixelDisplay Inc | 5 | |
| 10 | Cree Lighting Co Inc | 4 |
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 11 | Jade Bird Display (Shanghai) Ltd | 4 | |
| 12 | University of California | 4 | |
| 13 | PlayNitride Display Co Ltd | 3 | |
| 14 | QMAT Inc | 3 | |
| 15 | Samsung Electronics Co Ltd | 3 | |
| 16 | Wang Xiaolei | 2 | |
| 17 | Wuhan University | 2 | |
| 18 | Zhongshan Institute of Modern Industrial Technology, South China University of Technology | 2 | |
| 19 | South China University of Technology | 2 | |
| 20 | VisionLabs Corp | 2 |
Meta’s position reflects a deliberate strategy to lock in foundational EQE and droop-mitigation IP — likely tied to its AR/VR display roadmap — while Intel’s volume suggests a parallel interest in integrated display-on-chip architectures. Challengers at the 8–10 family level retain enough coverage to be credible second-tier participants.
Patent records from the most recent 18–24 months are subject to publication lag and likely undercount actual filing activity; conclusions about very recent filings should be treated as provisional. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Filing peaked in 2021; semiconductor device claims dominate the technology mix
Two signals define the structural picture: a filing curve that rose sharply from 2017, peaked at 39 families in 2021, and has since eased; and a technology composition overwhelmingly anchored in H01L semiconductor device classifications.
Annual filing trend
Filings grew from 9 in 2017 to a peak of 39 in 2021, then stepped back to 29 in 2022 before recovering partially to 35 in 2023. The 2024 figure of 10 and zeroes for 2025–2026 reflect publication lag and should not be read as a real decline.
↗ Hover for values · click a bar to ask EurekaTechnology composition
H01L (Semiconductor devices) is the dominant classification with 202 records, far ahead of all other branches. G02B (Optical elements and systems) at 17 and G09F (Displaying, advertising and signs) at 15 are the next largest, together illustrating that most innovation addresses the core LED device structure rather than downstream optics or display integration.
↗ Hover for values · click a bar to ask EurekaHighly cited patent families surfaced by the query
Citation-heavy patent families returned by the query. Use this section as citation context, not as a curated list of the most topic-specific patents.
Micro light-emitting diode including optimized pas…
Disclosed is a group III-V compound-based micro light-emitting diode that includes an optimized passivation layer, and thus, is capable of reducing leakage current in a micro light-emitting diode. More particularly, the micro light-emitting diode includes a passivation layer that includes first and second passivation layers formed using different deposition… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Enhanced light extraction through the use of micro… | 676 |
| 2 | Method and apparatus of a multi-modal illumination… | 146 |
| 3 | Micro-led arrays with enhanced light extraction | 80 |
| 4 | Micro light-emitting diode (LED) display and assem… | 60 |
| 5 | Light extraction for micro-leds | 59 |
| 6 | Micro light-emitting diode (LED) display and fluid… | 59 |
| 7 | Micro-light emitting diode (LED) fabrication by la… | 44 |
| 8 | Self-aligned ITO DBR based p-contact for small pit… | 42 |
Ranked by total forward citations. Citation counts favour older and broadly cited patent families, and broad or adjacent patents may appear when they match the search scope. Treat this section as citation context, not as a curated list of the most topic-specific patents. Some patent titles may be shown in their original, non-English language where an accurate translation could not be guaranteed.
What the competitive structure means for R&D investment decisions
The combination of high concentration, a post-peak filing curve, and persistent new-entrant activity creates a nuanced investment environment — incumbents hold broad semiconductor device coverage while adjacent branches remain sparsely filed.
Field is past its 2021 filing peak
The lifecycle evidence places this field in decline, with annual filings easing back from the 2021 peak of 39 families. This suggests the foundational device-level IP layer is becoming established. New entrants filing in 2022–2023 likely face a denser prior-art landscape and should prioritize differentiated sub-claims rather than broad device architecture coverage.
Post-peak · 2021 apexOne dominant player, a thin second tier
Meta Platforms’ 73 patent families represent more than triple Intel’s 21. The top five filers hold 61% of the hundred largest filers’ combined total, leaving limited room for mid-tier players to build blocking positions in core H01L device classes. Entrants are more likely to find freedom-to-operate in adjacent branches such as optical extraction and display control.
Top-5 share: 61%Limited co-filing; Meta’s internal entities are the primary pair
The only identified co-filing relationship is between Meta Platforms Technologies LLC and its related entity, with five jointly filed families. No cross-organization collaborative relationships appear in evidence. This insular pattern suggests the dominant player is internalizing its IP rather than co-developing with substrate suppliers, foundries, or academic partners, which may signal proprietary process dependencies.
Intra-corporate co-filingUS-anchored filing with Chinese and PCT secondary coverage
The United States leads with 88 patent records, consistent with the US-domiciled identity of the top filers. China and WIPO PCT each show 35 records, and Europe (EPO) accounts for 18. Taiwan’s 13 records reflect the presence of display-focused filers such as PlayNitride. The UK’s 5 records likely track Plessey Semiconductors’ home jurisdiction. Entrants should assess whether their target markets align with gaps in EPO or Asian filing coverage.
US-primary · CN/PCT secondaryGo beyond the landscape: Eureka’s TRIZ Solution agent breaks down an R&D problem and returns patented concept solutions, each with a technical approach and cited patent & literature evidence.
| Applicant | Collaborator | Co-filings |
|---|---|---|
| Meta Platforms Technologies LLC | Meta Platforms Technologies LLC | 5 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Meta Platforms leads on volume; Google and Applied Materials enter as new challengers
The top two filers differ significantly in volume and trajectory — Meta’s established portfolio is moderating, while newer entrants are building positions from a small base across slightly different technology emphases.
Meta Platforms Technologies LLC
Meta holds 73 patent families — by far the largest portfolio in scope — concentrated in H01L 33 (LED semiconductor devices), H01L 27 (integrated circuits), and H01L 25 (multi-component semiconductor assemblies). Recent momentum shows a 21% decline from the prior filing period, consistent with a maturing portfolio rather than an exit; the breadth of its H01L coverage implies strong blocking positions across core EQE and droop-mitigation device structures.
families: 73Google LLC
Google holds 10 patent families and is classified as a new entrant in the most recent filing window, suggesting it is actively building its Micro-LED EQE position from a near-zero prior base. Its technology focus mirrors the field’s dominant pattern — H01L 33, H01L 27, and H01L 25 — indicating direct competition with the foundational device layer rather than a differentiated adjacent approach.
families: 10| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Meta Platforms Technologies LLC | 30 | ▼ -21% |
| Google LLC | 10 | ▲ new entrant |
| Applied Materials Inc | 3 | ▲ new entrant |
| Meta Platforms Technologies LLC | 4 | ▲ new entrant |
| PixelDisplay Inc | 3 | ▲ new entrant |
Under-served branches adjacent to the dominant H01L core
While H01L semiconductor device claims are densely filed, several adjacent IPC branches show low record counts relative to the total corpus, representing areas where differentiated IP positioning may be more accessible.
G02B · Optical elements and systems
With 17 records against 202 in H01L, optical extraction and light-shaping for Micro-LEDs is relatively sparse. The most-cited patent in the corpus — titled ‘Enhanced light extraction through the use of micro-…’ with 676 forward citations — underscores the technical and commercial value of this sub-problem. The sparsity of G02B filings relative to that citation impact suggests that detailed optical engineering solutions (micro-lens arrays, photonic structures, sidewall passivation for extraction) remain an accessible area for differentiated claims, particularly for applicants with photonics or optical coating expertise.
Search this in Eureka →G09G · Display control circuits
Only 12 records appear under G09G (display control circuits), compared to the dominant H01L device layer. Droop-aware drive compensation — adjusting pixel current waveforms to counteract efficiency roll-off at high current density — sits at the intersection of circuit design and device physics. The low G09G count relative to the device-level corpus suggests that electronic compensation methods for droop are an under-filed adjacent branch. Entrants with mixed-signal IC or power management backgrounds may find entry paths here with limited prior-art density.
Search this in Eureka →Frequently asked questions
The evidence identifies 188 patent families in scope for this topic across the period analyzed.
Meta Platforms Technologies LLC leads with 73 patent families, more than three times the volume of the second-ranked filer, Intel Corp, which holds 21 patent families.
Annual filings reached a peak of 39 patent families in 2021, after growing from 9 in 2017. Volume has eased since that peak, consistent with a post-peak lifecycle stage. Data for 2024–2026 reflects publication lag and does not represent actual filing cessation.
The United States has the highest concentration with 88 patent records, followed by China and WIPO PCT each at 35, and Europe (EPO) at 18. Taiwan accounts for 13 records, reflecting activity from display-focused regional filers.
The top-cited document — titled ‘Enhanced light extraction through the use of micro-…’ — has accumulated 676 forward citations, indicating it is a foundational reference for the optical extraction sub-problem within this field.
Yes. G02B (Optical elements and systems) holds 17 records and G09G (Display control circuits) holds 12, both significantly below the 202 records in H01L. These branches — covering optical light extraction and droop-compensation drive electronics respectively — represent relatively sparse adjacent areas where differentiated IP may be more accessible.
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Patent data carries inherent limitations: recent filings (typically the most recent 18–24 months) are under-counted due to standard publication lag; counts may be reported at either a patent-family or a patent-record basis and are not always directly comparable; classification, applicant-name, and citation data may contain errors, duplicates, or omissions; and the underlying search query defines and constrains the scope shown. As a result, the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
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