GaN LED Human-Centric Lighting Patent Snapshot 2026
The GaN LED human-centric lighting patent space is tightly concentrated around the Lumileds and Philips corporate families, which collectively hold the dominant share of ranked filings. Semiconductor device engineering (H01L) is the overwhelmingly dominant technical route, with circuit-level and phosphor-materials work representing comparatively sparse adjacent branches.
Lumileds and Philips entities lead a highly concentrated field
Lumileds Holding BV ranks first among all applicants with 5 patent records, followed by Koninklijke Philips NV and Philips Lumileds Lighting Company LLC each with 4 patent records. The top five filers account for 74% of the combined total across the ranked applicants visible in this query, signalling an unusually tight oligopoly.
The tier gap between the leading cluster — comprising multiple Lumileds and Philips legal entities — and the remaining applicants is stark. Advanced Optoelectronic Tech Inc holds 2 patent records, while Osram Sylvania, Bridgelux, and the two Toshiba entities each contribute a single record, underscoring how far the leaders extend beyond the rest of the field.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | LUMILEDS HLDG BV | 5 | |
| 2 | KONINKLIJKE PHILIPS NV | 4 | |
| 3 | PHILIPS LUMILEDS LIGHTING COMPANY LLC | 4 | |
| 4 | LUMILEDS SINGAPORE PTE LTD | 2 | |
| 5 | LUMILEDS LLC | 2 | |
| 6 | ADVANCED OPTOELECTRONIC TECH INC | 2 | |
| 7 | OSRAM SYLVANIA INC | 1 | |
| 8 | BRIDGELUX INC | 1 | |
| 9 | KK TOSHIBA | 1 | |
| 10 | TOSHIBA TECHNO CENT | 1 |
The intertwined ownership history of the Lumileds and Philips entities means the effective IP concentration is even higher than the individual rankings suggest. Any entrant or challenger must navigate a dense core of foundational semiconductor LED patents held within this cluster.
Filing counts for the most recent 18–24 months should be treated as preliminary due to standard patent publication lag; final totals for those periods will be higher. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
A narrow corpus with semiconductor device work dominating the technology mix
The annual filing trend and technology composition charts together reveal both the temporal activity pattern and the technical priorities of filers in this space.
Annual filing trend
Recorded activity is concentrated in a single filing year (2024) within the ten-year window, with all other years showing no recorded entries. Given publication lag, the picture for 2024 and beyond remains incomplete, and the sparse historical record suggests this is a narrowly defined intersection of GaN LED technology and human-centric lighting applications rather than a broadly active domain.
↗ Hover for values · click a bar to ask EurekaTechnology composition
H01L (Semiconductor devices) accounts for the substantial majority of IPC-tagged patent records at 17, confirming that core LED chip and package engineering is the visible technical approach. C09K (Materials for miscellaneous applications, including phosphors) contributes 2 records, and H05B (Electric heating and lighting circuits) contributes 1 record — both representing sparse but technically distinct adjacent branches.
↗ 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.
LED with Particles in Encapsulant for Increased Li…
In one embodiment, sub-micron size granules of TiO<sub>2</sub>, ZrO<sub>2</sub>, or other white colored non-phosphor inert granules are mixed with a silicone encapsulant and applied over an LED. In one experiment, the granules increased the light output of a GaN LED more than 5% when the inert material was between about 2.5-5% by weight of the encapsulant… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | LED with Particles in Encapsulant for Increased Li… | 176 |
| 2 | LED with particles in encapsulant for increased li… | 73 |
| 3 | Light emitting diode illuminating apparatus with s… | 54 |
| 4 | LED with particles in encapsulant for increased li… | 31 |
| 5 | Light emitting devices having shielded silicon sub… | 14 |
| 6 | 光抽出の増加及び非黄色のオフ状態色のための封止材における粒子を含むLED | 12 |
| 7 | Phosphor and leds containing same | 6 |
| 8 | Light emitting diode illuminating apparatus with s… | 5 |
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 patent structure means for R&D investment decisions
Four structural observations — maturity, concentration, collaboration, and geography — frame the strategic risk and opportunity profile for new entrants and incumbents alike.
Life-cycle stage not determined from available evidence
The evidence does not return a resolved life-cycle stage for this corpus. The corpus is very small and concentrated, activity is sparse across the ten-year window, and the single recorded 2024 filing may reflect publication lag rather than a trend. Engineers should treat this as a technically mature but narrowly patented niche rather than an emerging high-velocity domain.
Stage: evidence pendingExtreme oligopoly: one cluster controls the foundational positions
The top five filers account for 74% of the ranked applicants visible in this query’ combined total. Multiple Lumileds and Philips legal entities occupy the top four ranked slots. Any R&D team targeting this intersection must assess freedom-to-operate carefully against the Lumileds/Philips IP estate, particularly in H01L 33 semiconductor device claims where both entities are most active.
High concentrationPhilips Lumileds and Koninklijke Philips are the most active co-filers
The evidence identifies one co-filing relationship: Philips Lumileds Lighting Company LLC and Koninklijke Philips NV, with 8 jointly associated patent records — the strongest collaboration signal in the corpus. No other co-filing pairs are recorded. This tight intra-group collaboration reinforces the view that the leading IP cluster operates as a coordinated portfolio rather than competing independent positions.
Intra-group collaborationUnited States is the primary filing jurisdiction, with Europe and Asia secondary
The United States leads with 6 patent records, followed by Europe (EPO) with 3, China and India each with 2, and WIPO (PCT), Austria, and Japan each with 1. The US-first filing strategy of the Lumileds/Philips cluster reflects their corporate base and primary market. China’s presence at 2 records is notably low given its scale as a LED manufacturing hub, suggesting either limited enforcement interest or a gap in prosecution strategy.
US-led jurisdiction spreadGo 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 |
|---|---|---|
| Philips Lumileds Lighting Company LLC | Koninklijke Philips NV | 8 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
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 Holding BV
Lumileds Holding BV holds 5 patent records, the highest count in the ranked corpus. Its technology emphasis is concentrated in H01L 33 semiconductor devices (10 IPC occurrences) with a secondary position in C09K 11 phosphor materials (1 occurrence). No momentum trend data was returned for this entity, consistent with its established rather than newly emerging position in the field.
patent records: 5Koninklijke Philips NV
Koninklijke Philips NV holds 4 patent records and mirrors the leader’s technical profile: primary focus on H01L 33 semiconductor devices (8 IPC occurrences) and a secondary position in C09K 11 phosphor materials (1 occurrence). Its co-filing relationship with Philips Lumileds Lighting Company LLC — 8 jointly associated records — suggests coordinated portfolio management rather than independent competitive positioning.
patent records: 4Frequently asked questions
Lumileds Holding BV leads with 5 patent records, followed by Koninklijke Philips NV and Philips Lumileds Lighting Company LLC each with 4. These three entities, all part of the Lumileds/Philips corporate history, together represent the core of the IP estate in this space.
The top five filers account for 74% of the combined total among the ranked applicants visible in this query, which is a high concentration level. This means any new entrant faces a landscape where foundational positions are largely controlled by a small cluster of related entities.
H01L (Semiconductor devices), specifically sub-class H01L 33 covering LED chip and package engineering, is the visible route with 17 IPC-tagged patent records. C09K (phosphor materials) and H05B (lighting circuits) are present but sparse by comparison.
The United States leads with 6 patent records, followed by Europe (EPO) with 3, China and India each with 2, and WIPO (PCT), Austria, and Japan each with 1 record. The US-first strategy reflects the corporate base of the visible filers.
Yes. The evidence identifies one collaboration pair: Philips Lumileds Lighting Company LLC and Koninklijke Philips NV, with 8 jointly associated patent records. No other co-filing pairs are recorded, indicating that collaborative activity is limited to intra-group filings within the Philips/Lumileds family.
H05B (electric heating and lighting circuits, including driver and dimming control) holds only 1 patent record in this corpus, and C09K (phosphor and wavelength-conversion materials) holds 2. Both represent areas where the existing IP estate is sparse relative to the semiconductor device layer, though prior-art assessment against the Lumileds and Osram positions in C09K remains necessary.
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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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