Cabin Lighting Patents: Top Companies & Filing Trends 2026
- Concentration at the top. The five leading assignees account for 30.3% of all 1,537 records in scope, and the top ten reach 44.3% — a field with a defined leadership tier rather than an even spread.
- Filing has cooled from its 2017 peak. Volume ran from 111 records in 2017 down to 30 in 2024, including a -51% drop between 2021 and 2024, though the most recent years are still filling in as publication catches up with filing.
- Circuit and component classes dominate. H05B lighting circuits and F21V lighting components each cover over 30% of records, while vehicle-specific lighting under B60Q sits well behind at 9.8% — most of the claim activity is generic lighting hardware, not automotive-specific integration.
Filing growth compares 2021 (61 records) with 2024 (30) — 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 1,537 records in scope (CR5), not by the ranked leaders only.
What this landscape covers
This landscape tracks patent activity at the intersection of cabin lighting hardware — LED drivers, light guide panels, heat sinks — and passenger experience features such as mood lighting, circadian scheduling and escape path marking. The search combines cabin-facing lighting terms with the technical mechanisms (color temperature control, dimming drivers, light guide panels) that distinguish an engineered lighting system from a simple fixture. It spans 2015 through mid-2026, drawing on 1,537 published records.
Records here carry IPC classifications spanning lighting circuitry, optical components, semiconductor light sources and vehicle-specific signalling, which means the same patent can be counted under several technology headings. The filing offices in scope are dominated by the United States, with meaningful volume in Europe, the WIPO/PCT track, and smaller but consistent activity from Austria, Germany and Canada.
Filing trends and technology composition
The chart below tracks annual filing volume against the eight IPC subclasses that appear most often in this dataset, giving a sense of both momentum and where claim density is concentrated.
Filing rose to a 2017 peak, then declined
Filings ran from 111 records in 2017 to just 2 in 2026 so far. Between 2021 and 2024 — the most recent span that can be read as complete, given the roughly 18-month publication lag — volume fell 51%, from 61 to 30 records. Treat 2025 and 2026 figures as undercounted rather than as evidence the field has stalled further.
Circuit and component classes carry the bulk of claims
H05B (electric heating and lighting circuits) appears in 42.6% of the 1,537 records, and F21V (lighting device components) in 31.2%. Semiconductor devices (H01L, 14.8%) and non-portable lighting devices (F21S, 14.2%) form a second tier, while vehicle-specific lighting and signalling under B60Q covers only 9.8% — a smaller share than the generic lighting classes above it.
Shares are the percentage of the 1,537 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Cabin Lighting and Passenger Experience Systems with Eureka
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Try EurekaRepresentative and most-cited filings
Clamping Circadian Lighting Apparatus (US20200206527A1)
A circadian lighting apparatus includes a housing, two light sources, and control logic. One light source runs at a higher color temperature (around 5000K), the other at a lower color temperature (around 1900K). The control logic clamps operation to a mixed high color temperature (around 4000K) for daytime and a mixed low color temperature (around 2700K) for nighttime, following a circadian schedule bound between those two clamped points.Filed by Aleddra Inc., published 2020-07-02.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US6690268B2 | Video mirror systems incorporating an accessory module | 2,386 |
| 2 | US7195381B2 | Vehicle interior LED lighting system | 1,118 |
| 3 | US20100327766A1 | Wireless emergency lighting system | 996 |
| 4 | US20020003571A1 | Video mirror systems incorporating an accessory module | 943 |
| 5 | US20110133655A1 | Autonomous grid shifting lighting device | 934 |
| 6 | US20100141153A1 | Wireless lighting devices and applications | 910 |
| 7 | US20060022214A1 | LED package methods and systems | 853 |
| 8 | US20120080944A1 | Grid Shifting System for a Lighting Circuit | 753 |
| 9 | US20020159270A1 | Vehicular lighting system | 713 |
| 10 | US20160195856A1 | Integrated Docking System for Intelligent Devices | 589 |
Citation counts favour older records simply because they have had longer to accumulate them — read them as a signal of influence within this corpus, not as a ranking of current technical importance.
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Three patterns stand out once volume, concentration and classification are read together.
A defined leadership tier, not a level field
The five leading assignees hold 30.3% of all records in scope, and the top ten hold 44.3%. That leaves the remaining 90 ranked companies, plus everyone below them, splitting the rest — a workable field for a differentiated filing, but one where the core lighting-circuit and driver claims near the leaders are likely to be crowded.
Filing has receded from a 2017 high
Annual filings peaked at 111 in 2017 and had fallen to 30 by 2024, including a 51% drop across 2021-2024 alone. This looks like a maturing hardware base rather than an abandoned one: dense IPC coverage in H05B and F21V suggests occupied claim space, not declining relevance.
Vehicle-specific integration is the smaller slice
Generic lighting circuitry (H05B, 42.6%) and lighting components (F21V, 31.2%) dominate the classification profile, while vehicle-specific signalling and lighting (B60Q) covers under 10% of records. Much of the underlying claim density sits in general-purpose lighting engineering rather than automotive-specific integration, which is where a cabin-specific filing may find more room.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to cabin lighting and passenger experience systems, with the prior art for and against each one.
| Assignee | Co-assignee | Shared families |
|---|---|---|
| RECKER MICHAEL V | LEVINE DAVID B | 32 |
| Martin Professional | JRGENSEN DENNIS | 5 |
| Koninklijke Philips N.V. | Philips Intellectual Property & Standards | 5 |
| BE Aerospace Inc. | ECKEL DAVID P | 5 |
| NthDegree Technologies Worldwide Inc. | SHOTTON NEIL O | 4 |
| NthDegree Technologies Worldwide Inc. | RAY WILLIAM JOHNSTONE | 4 |
| NthDegree Technologies Worldwide Inc. | PEROZZIELLO ERIC ANTHONY | 4 |
| NthDegree Technologies Worldwide Inc. | ORAW BRAD | 4 |
Ten co-assignee pairs appear in the dataset; the strongest, an individual-inventor pairing, spans 32 shared records, well ahead of the corporate pairs that follow at five records each.
Who is filing, and where the gate sits
Leadership in this dataset is held by a mix of lighting specialists and automotive-electronics suppliers, with a long tail of single- or few-filing entrants behind them.
A clear volume leader
The top-ranked assignee holds 141 records, well ahead of fifth place at 55 and tenth place at 32. That gap suggests an incumbent with a broad, long-running filing program across general lighting rather than a single cabin-specific product line.
A workable mid-tier for new entrants
The drop from the leader's 141 records to 55 at fifth place, and 32 at tenth, indicates the field is not a single-company monopoly. Multiple established players hold meaningful but not dominant positions, leaving room to compete on specific mechanisms rather than sheer volume.
Recent filing activity has slowed across leaders
Several of the most active historical filers show flat or sharply reduced activity in the latest tracked year, with the top assignee down 91% year-on-year and others recording no filings at all in that period. This is consistent with the broader 2021-2024 decline rather than a sign any one company has exited the space.
| Assignee | Recent year | YoY |
|---|---|---|
| Signify Holding B.V. | 1 | -91% |
| Martin Professional | 0 | — |
| NthDegree Technologies Worldwide Inc. | 0 | — |
| Wireless Environment, LLC | 0 | — |
| Koninklijke Philips N.V. | 0 | — |
| Samsung Electronics Co., Ltd. | 0 | — |
| Donnelly Corporation | 0 | — |
| BE Aerospace Inc. | 0 | — |
Where to take this next
The dataset points to a field with defined leadership but real openings in vehicle-specific integration and circadian control logic. Turning that into a filing or freedom-to-operate position takes closer claim-level work.
Map claims against the leadership tier
Before drafting near occupied ground, check how the leading assignees' granted claims are actually scoped in H05B and F21V, rather than assuming density means blockage everywhere.
Explore assignee claim scope in EurekaPressure-test white space candidates
The under-claimed branches flagged here are starting points, not conclusions — run a targeted search against each before committing R&D or drafting budget.
Run a white space search in EurekaQuestions practitioners ask about this field
One assignee leads this dataset clearly, with 141 records against 55 at fifth place and 32 at tenth. The top five assignees combined hold 30.3% of all 1,537 records in scope, and the top ten hold 44.3%, so leadership is concentrated but not monopolised. Below that tier, filing activity spreads across a long tail of companies with far smaller counts, which is where most new entrants sit.
No — filing peaked at 111 records in 2017 and had fallen to 30 by 2024, a 51% decline over the 2021-2024 span alone. That said, publication lags actual filing by roughly 18 months, so the 2025 and 2026 figures in any dataset will always look artificially low and should not be read as an accelerating collapse. The honest read is a maturing filing base past its peak, not a technology in decline.
Electric heating and lighting circuits (IPC class H05B) appear in 42.6% of the 1,537 records, and lighting device components (F21V) in 31.2%, making these the densest claim areas. Semiconductor light sources (H01L) and non-portable lighting devices (F21S) form a second tier at roughly 14-15% each. Vehicle-specific lighting and signalling (B60Q) covers only 9.8%, meaning most of the crowded claim space is general-purpose lighting engineering rather than automotive-specific integration.
The classification data shows vehicle-specific signalling (B60Q) trailing well behind generic lighting circuit and component classes, which points to comparatively open ground in cabin-specific integration work such as escape-path marking, multi-zone dimming driver protocols, and circadian-schedule control logic tied to specific cabin sensors. These are narrower branches than the core H05B/F21V circuitry that the leading assignees have filed densely for years. A freedom-to-operate check against the specific mechanism, not just the broad lighting class, is the practical next step.
Moderately concentrated: the top five assignees hold 30.3% of all 1,537 records in scope and the top ten hold 44.3%, leaving well over half the field spread across the remaining ranked companies and unranked filers. This is a tighter grouping than a fragmented field but far from a one- or two-company monopoly. New entrants filing on a specific mechanism rather than broad lighting hardware are less likely to run into the leaders' core claims.
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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.