Micro-LED Backplane (TFT) Patent Snapshot 2026
The Micro-LED Backplane (TFT) patent space is highly concentrated, with Lumileds entities dominating a corpus that peaked in activity around 2021–2022 and has since eased. The United States is the primary filing jurisdiction, and the field remains small enough that a focused entrant could meaningfully shift competitive dynamics.
Lumileds commands the field in a tightly held, early-stage corpus
The corpus spans 9 patent families. LUMILEDS LLC leads with 3 patent families, followed by LUMILEDS SINGAPORE PTE LTD with 2, and Shenzhen. China Star Optoelectronics Semiconductor Display Technology with 2. Nanjing University and Advanced View Tech each hold 1.
The top five filers account for 100% of the ranked applicants visible in this query’ combined total, signalling extreme concentration with no second tier to speak of. The Lumileds group (two legal entities combined) is the single visible force.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | Lumileds LLC | 3 | |
| 2 | Lumileds Singapore Pte Ltd | 2 | |
| 3 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 2 | |
| 4 | Nanjing University | 1 | |
| 5 | Advanced View Tech | 1 |
Lumileds’ multi-entity presence across US and Singapore subsidiaries, coupled with a technology focus spanning display control circuits, semiconductor devices, and LED driver circuits, suggests a platform-level strategy rather than point-solution patenting. Challengers entering this space will need to navigate this consolidated portfolio.
The most recent filing years show zero activity, which is consistent with publication lag rather than a true cessation of innovation; conclusions about the current pace of filing should be held tentatively. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Filings peaked in 2021–2022 and the technology mix centres on semiconductor device classes
The annual trend chart and IPC composition together reveal a field that mobilised quickly from 2019, peaked in 2021–2022, and has since eased — with the visible technology branches clustering around semiconductor device and display-control classifications.
Annual filing trend
Activity was negligible before 2019, rose to a peak of 3 families in both 2021 and 2022, and shows zero recorded filings from 2023 onward. The post-2022 zero values reflect publication lag and should not be read as a confirmed end to filing activity. The field is past its peak on an annual basis.
↗ Hover for values · click a bar to ask EurekaTechnology composition
H10D (Semiconductor devices, general) is the leading branch with 6 records, followed by G09G (Display control circuits) and H01L (Semiconductor devices) each with 5, and H05B (Electric heating and lighting circuits) with 3. The co-dominance of H10D/H01L and G09G reflects the dual challenge of TFT backplane fabrication and active-matrix drive electronics.
↗ 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.
TFT backplane and micro-led display
A TFT backplane and a micro-LED display are provided A metal light shielding layer is placed at the lower surface of the substrate and the position of the metal light shield layer is corresponding to the active layer. This reduces the size of the side frame, which is used when assembling multiple displays in a large-size micro LED display application. This… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Active matrix hybrid microled display | 7 |
| 2 | TFT backplane and micro-led display | 4 |
| 3 | TFT backplane and micro-LED display | 2 |
| 4 | Active matrix hybrid microled display | 1 |
| 5 | Monolithically and heterogeneously integrated micr… | 1 |
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.
Assignee snapshot from the current evidence set
The applicants below are visible in this query result. Because the evidence set is relatively small, read this section as a directional snapshot rather than a full competitive ranking.
Lumileds LLC
Lumileds LLC holds 3 patent families, the largest single-entity position in this corpus. Its technology focus centres on G09G display control circuits, H10D semiconductor devices, and H05B LED driver circuits — a combination consistent with system-level active-matrix MicroLED control. Applicant momentum data marks Lumileds (the combined entity group) as a new entrant with 3 recent families, indicating a rapid, concentrated build-up rather than a long-standing position.
families: 3Shenzhen China Star Optoelectronics
Shenzhen China Star Optoelectronics Semiconductor Display Technology holds 2 patent families, with technology emphasis on H01L 25, H01L 27, and H10D 30 — all semiconductor device integration classes. This focus aligns with the panel-manufacturing side of TFT backplane development. Its single China-jurisdiction record alongside EPO or US filings suggests a dual-track protection strategy, though the dataset is too small to confirm this pattern definitively.
families: 2Frequently asked questions
The corpus covers 9 patent families in scope. This is a small, specialised field, and the limited size means that individual patent families carry significant weight in any freedom-to-operate or landscaping analysis.
LUMILEDS LLC is the top filer with 3 patent families, followed by LUMILEDS SINGAPORE PTE LTD with 2 and Shenzhen China Star Optoelectronics Semiconductor Display Technology with 2. Nanjing University and Advanced View Tech each hold 1.
Activity began in 2019 with 2 families, rose to 3 in both 2021 and 2022, and shows zero recorded filings from 2023 onward. The lifecycle evidence places the field in a decline stage, with annual volume easing from the 2021–2022 peak. Post-2022 zeros are likely influenced by publication lag.
The United States leads with 5 patent records, followed by Europe (EPO) with 2, and China and WIPO (PCT) each with 1. The US is the primary protection jurisdiction despite China’s importance as a display-panel manufacturing hub.
H10D (Semiconductor devices, general) leads with 6 records, followed by G09G (Display control circuits) and H01L (Semiconductor devices) each with 5, and H05B (Electric heating and lighting circuits) with 3. The spread reflects the dual technical challenge of TFT fabrication and active-matrix drive electronics.
No co-applicant filings are detected in the evidence. All filings appear to be single-entity, suggesting that participants have treated this as a proprietary competition rather than a collaborative standardisation effort so far.
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Disclaimer. This page is generated from PatSnap Eureka data drawn from a limited snapshot of global patent and scientific-literature records, and is provided for general information and reference only.
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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