VCSEL Safety and Compliance Patent Landscape 2026
- Filings peaked in 2018 at 18 and have since fallen back toward single digits, with the 2022 midpoint at just 2 — this is a claim space that filled early and has not reopened.
- Every one of the 102 families carries an H01S laser classification, but secondary IPC codes show eye-safety claims spreading furthest into positioning (G01S) and general optics (G02B), and least into measurement (G01J) and non-electric light sources (F21K).
- The most-cited record in the set is an automotive lidar filing with 194 citations, ahead of foundational VCSEL-array and illuminator-packaging patents — a signal of where downstream design-around activity has concentrated.
Filing growth compares 2021 (12 records) with 2024 (1) — a three-year span. 2024 is the most recent year we treat as complete: publication lags filing by roughly 18 months, so 2025 onwards are still filling in and any growth rate that ends there would understate the field. Top-5 share is the combined record count of the five largest assignees divided by all 102 records in scope (CR5), not by the ranked leaders only.
Where eye-safety claims attach to VCSEL technology
Eye-safety and class-1 compliance claims in VCSEL patents rarely stand alone — they attach to a die, a package, a driver circuit, or a downstream optical system, and the claim language shifts depending on which layer is doing the compliance work. This landscape isolates 102 patent families where VCSEL or vertical-cavity surface-emitting laser language is paired directly with eye-safety, interlock or class-1 compliance terms, filtered to the core laser IPC codes.
The filing trend peaked in 2018 and has declined since, while the technology composition shows the claim space concentrated around illuminator packaging and array structures, with measurement-integrated and LED-adjacent compliance mechanisms comparatively unclaimed.
Filing activity and technology spread
102 patent families make up this landscape, filed against a backdrop of eye-safety and class-1 compliance claims layered on VCSEL art. The trend and the IPC spread below tell where the claim space is dense and where it thins out.
Filings peaked in 2018 and have not recovered
Filings rose from 3 in 2017 to a peak of 18 in 2018, then fell back toward single digits by the 2022 midpoint (2 families) and show no renewed growth through the most recent years. Because publication lags filing by roughly 18 months, the last one to two years in this chart will always look thinner than they eventually turn out to be — but the multi-year decline from 2018 predates that lag effect.
Compliance claims sit inside a laser-centric IPC footprint
Every record in this set carries an H01S laser classification, but the secondary spread shows where eye-safety claims attach: positioning and radar (G01S, 21), general optics (G02B, 21) and transmission (H04B, 15) carry meaningful overlap, while measurement (G01J, 8) and non-electric light sources (F21K, 7) trail well behind — the latter two are where claim density is lowest relative to the core.
Shares are the percentage of the 102 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on VCSEL Safety and Compliance with Eureka
This page is one run against one query. Ask Eureka your own question about vcsel safety and compliance and every answer comes back with the patent numbers behind it.
Try EurekaKey patents shaping the compliance claim space
VCSEL Illuminator Package
A VCSEL illuminator module includes a module forming a physical cavity having electrical contacts positioned on an inner surface of the module that feed through the module to electrical contacts positioned on an outer surface of the module. A VCSEL device is positioned on the inner surface module and includes electrical contacts that are electrically connected to the electrical contacts on the inner surface of the module. The VCSEL device generates an optical beam when current is applied to the electrical contacts. An optical element is positioned adjacent to an emitting surface of the VCSEL device and is configured to modify the optical beam generated by the VCSEL device.Filed by AMS-OSRAM INTERNATIONAL GMBH, this record sits among the most-cited in the corpus and defines a cavity-and-feedthrough packaging structure that later illuminator filings are frequently drafted around.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US20150219764A1 | Low cost small size lidar for automotive | 194 |
| 2 | US5707139A | Vertical cavity surface emitting laser arrays for illumination | 136 |
| 3 | US20170353004A1 | VCSEL Illuminator Package | 116 |
| 4 | US6670599B2 | Semitransparent optical detector on a flexible substrate and method of making | 110 |
| 5 | US20180301872A1 | Ultra-small vertical cavity surface emitting laser (VCSEL) and arrays incorporating the same | 96 |
| 6 | US6069905A | Vertical cavity surface emitting laser having intensity control | 88 |
| 7 | US5758951A | Vertical cavity surface emitting laser arrays for illumination | 83 |
| 8 | US20020075920A1 | Laser diode device with nitrogen incorporating barrier | 51 |
| 9 | US20070002917A1 | Electro-absorption modulator integrated with a vertical cavity surface emitting laser | 43 |
| 10 | US20190268068A1 | Wide-angle illuminator module | 40 |
Ranked by citation count within the searched corpus; older filings are structurally favoured, so read this as influence, not current relevance.
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Citation counts and filing volume answer different questions. The cards below separate what is influential from what is currently active, and flag where the two diverge.
Old lidar filing still anchors the field
US20150219764A1, an automotive lidar filing, leads the citation table at 194 — well ahead of foundational array and packaging patents. That reflects years of accumulated citing references, not current filing activity, since citation counts in a fixed corpus structurally favour older records.
A space that filled early and stayed quiet
Filings peaked at 18 in 2018 and had fallen to 2 by the 2022 midpoint, with no recovery visible through the most recent years. Publication lag of roughly 18 months understates the newest year, but it does not explain a multi-year decline that started years earlier.
Measurement and LED subclasses are thin
Against a base of 102 H01S-classified families, the measurement subclass G01J carries only 8 records and the non-electric light-source subclass F21K only 7. That gap is where compliance claims have not yet been densely written.
No multi-jurisdiction inflation in this set
Published records and patent families both stand at 102, an unusually clean 1:1 ratio that suggests most inventions here were pursued in a single jurisdiction rather than filed globally.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to vcsel safety and compliance, with the prior art for and against each one.
Who holds the ground, and where the gaps sit
Assignee activity in this set clusters around a small group of specialist VCSEL and photonics filers, with dense internal co-filing rather than broad cross-industry competition. Recent-year momentum has cooled across the board.
Vixar, Inc. (Vixar) co-files densest
The strongest co-assignee pairs in the dataset all involve Vixar, Inc., each paired with a different named inventor at a count of 4 — the densest internal filing pattern in the corpus, pointing to a tightly held internal portfolio rather than joint ventures.
Every leading assignee shows zero recent filings
Sensing Photonics, Finisar Corporation, Hewlett-Packard Company, Agilent Technologies, Inc., Princeton Optronics, Inc. and Vixar, Inc. all show zero filings in the latest tracked year, consistent with the broader flat-to-declining trend since 2018.
US filings dominate the receiving-office split
United States receiving-office filings account for 55 of the tracked records, more than double the next-largest office (Europe/EPO at 19), with WIPO/PCT, Germany, Australia and China trailing further behind.
| Assignee | Recent year | YoY |
|---|---|---|
| Sensing Photonics | 0 | — |
| Finisar Corporation | 0 | — |
| Hewlett-Packard Company | 0 | — |
| Agilent Technologies, Inc. | 0 | — |
| Princeton Optronics, Inc. | 0 | — |
| Vixar, Inc. | 0 | — |
| Aegis Semiconductor, Inc. | 0 | — |
| TRUMPF Photonic Components GmbH | 0 | — |
Where to take this analysis
The dataset points to a settled core and a thin edge. What a reader does next depends on whether they are clearing freedom-to-operate or looking for claim space.
Run a freedom-to-operate check against the packaging cluster
Illuminator-packaging and array-illumination claims carry the heaviest citation weight in this set. Before finalising a module design, check overlap against the cavity-and-feedthrough structure and array-illumination claims specifically.
Search these claims in EurekaDraft around the thin IPC branches
Measurement-integrated (G01J) and non-electric light-source (F21K) compliance mechanisms carry the lowest filing density in this corpus. A first claim built around integrated power sensing rather than external interlocks sits in largely open territory.
Explore white space in EurekaFrequently asked questions
This landscape covers 102 patent families that combine VCSEL (vertical-cavity surface-emitting laser) technical language with eye-safety, eye-safe operation, laser safety interlock, or class-1 compliance claim language, classified under the core laser IPC codes H01S5/0683, H01S5/40 and H01S5/00. The most-cited records span automotive lidar sourcing, illuminator packaging, and semitransparent optical detection, which shows compliance claims attach at several different points in the system rather than at one chokepoint. Anyone doing freedom-to-operate work in this area should treat packaging-level and driver-level claims as separate search threads, since they cite each other unevenly.
No — filings rose from 3 in 2017 to a peak of 18 in 2018, then declined toward a midpoint of 2 in 2022, and the trend has stayed flat or falling since. That pattern indicates the core claim space around eye-safety and class-1 compliance was staked out early and has not attracted a fresh wave of filers. Recent-year momentum figures for the leading assignees in this dataset all show zero filings in the latest year, though publication lag of roughly 18 months means the very newest filings are not yet visible in the public record.
The most-cited individual records include US20150219764A1 (automotive lidar, 194 citations), US5707139A (VCSEL arrays for illumination, 136 citations), and US20170353004A1 (VCSEL illuminator package, held by AMS-OSRAM INTERNATIONAL GMBH, 116 citations). High citation counts in a corpus like this tend to favour older filings simply because they have had more years to accumulate citing references, so treat the ranking as a measure of historical influence rather than current market leadership. Co-assignee data also shows Vixar, Inc. (Vixar) as the most internally interconnected filer, with the same inventor pairings recurring across multiple filings.
The illuminator-packaging and array-for-illumination claim clusters are the most heavily cited and therefore the most contested ground — filing narrow claims that overlap the cavity-and-feedthrough packaging structure in US20170353004A1, or the array-illumination structure in US5707139A, invites the most prior-art friction. High filing density in these clusters means the claim space is occupied, not that the underlying technology is settled or mature, so incremental variations still get filed but face a crowded citation trail. The safer ground, based on IPC composition, is the thinner G01J (measurement) and F21K (non-electric light source) subclasses.
This landscape reports 102 published records and 102 patent families, meaning there is effectively no multi-jurisdiction duplication skewing the numbers in this particular dataset. That is unusual and worth noting: in many landscapes, family counts run well below raw document counts because a single invention gets filed in several countries, so a flat 1:1 ratio here suggests most inventions in this space were filed in a single jurisdiction rather than pursued globally. Practitioners should still check receiving-office data — United States accounts for the largest share (55), well ahead of Europe (19) and WIPO/PCT (15) — before assuming any single filing gives global coverage.
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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.
Nothing on this page constitutes an exhaustive prior-art, novelty, freedom-to-operate, or validity search, nor does it constitute legal, financial, investment, or professional advice, and it should not be relied upon as such. Any patent, commercial, or strategic decision should be verified independently and reviewed with qualified patent, legal, and domain professionals. Patsnap makes no warranties, express or implied, as to the accuracy, completeness, or fitness for any particular purpose of the information presented.
Machine translation. Assignee and organisation names originally recorded in Chinese, Japanese or Korean have been rendered into English by an AI translation step so that the tables stay readable. These renderings are best-effort and may not match a company’s registered English name; the original name is what the underlying patent record carries, and it is what any Eureka query launched from this page uses.