OLED Panel Manufacturing Patent Landscape 2026
Applied Materials Inc dominates with the largest single share among the top filers, and the top five applicants account for 44% of the hundred largest filers’ combined total, signaling a concentrated but actively contested field. The field is still expanding on a multi-year basis — recent-window growth sits 106% above the prior period — though annual volume has eased from its 2023 peak and the most recent filing years remain understated by publication lag.
Applied Materials leads a concentrated, multi-tier field
Applied Materials Inc ranks first with 183 patent families, more than 70% ahead of second-ranked BOE Technology Group at 106 patent families, establishing a clear gap between the equipment-side leader and the panel-maker tier.
The top five filers — Applied Materials, BOE Technology Group, Universal Display Corporation, Samsung Display, and Shenzhen. China Star Optoelectronics — together hold 44% of the hundred largest filers’ combined total, indicating meaningful concentration without full lock-in.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | Applied Materials Inc | 183 | |
| 2 | BOE Technology Group Co Ltd | 106 | |
| 3 | Universal Display Corporation | 65 | |
| 4 | Samsung Display Co Ltd | 61 | |
| 5 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd | 55 | |
| 6 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd | 51 | |
| 7 | LG Innotek Co Ltd | 38 | |
| 8 | LG Display Co Ltd | 34 | |
| 9 | Chengdu BOE Optoelectronics Technology Co Ltd | 23 | |
| 10 | Anhui Semiconductor Integrated Display Technology Co Ltd | 23 |
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 11 | Worlam Materials Co Ltd | 19 | |
| 12 | Global OLED Technology LLC | 19 | |
| 13 | Kateeva Inc | 18 | |
| 14 | Novaled GmbH | 14 | |
| 15 | Apple Inc | 13 | |
| 16 | Huawei Technologies Co Ltd | 13 | |
| 17 | HKC Corporation Ltd | 13 | |
| 18 | eMagin Corporation | 12 | |
| 19 | OLEDWorks LLC | 11 | |
| 20 | Xi’an Smart Materials Co Ltd | 9 |
Applied Materials’ lead reflects deep equipment and process IP that panel makers cannot easily replicate in-house; BOE’s position as the strongest panel-maker applicant suggests Chinese display groups are building independent IP stacks at scale.
Filings from 2025 and 2026 are substantially understated due to typical patent publication delays and should not be read as reflecting true activity levels. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
A 2023 filing surge, with deposition and device structure dominating the technology mix
The annual filing trend reveals a multi-year expansion with a sharp 2023 peak, while the technology composition is dominated by OLED-specific semiconductor IP with meaningful secondary clusters in coating and semiconductor device classes.
Annual filing trend
Filings grew steadily from 2017 through 2021, then surged to a 2023 peak before moderating in 2024; 2025 and 2026 counts are heavily understated by publication lag and do not reflect a real slowdown. The field is still expanding on a multi-year basis, with recent-window growth of 106% versus the prior period.
↗ Hover for values · click a bar to ask EurekaTechnology composition
H10K (Organic semiconductors, OLED) is the commanding primary class, indicating most activity is concentrated in device-level and process IP. C23C (Coating and surface deposition) and H01L (Semiconductor devices) are meaningful secondary clusters, reflecting upstream deposition equipment and general device architecture. Smaller branches — including display control circuits, specialty materials, and organometallic compounds — represent under-served adjacent areas.
↗ 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.
OLED display panel, manufacturing method thereof, …
An organic light-emitting diode (OLED) display panel, a manufacturing method thereof, and a display device are provided. The OLED display panel includes a substrate; an array functional layer; a light-emitting layer; a thin-film encapsulation layer; and a liquid crystal layer, which is disposed on the thin-film encapsulation layer, including a first liquid… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Connected body between mask and support part and m… | 17 |
| 2 | Apparatus and method for providing barrier coating | 14 |
| 3 | Inorganic silicon-containing overhang structures o… | 13 |
| 4 | Pixel arrangement structure for organic light emit… | 9 |
| 5 | Metal overhang for advanced patterning | 9 |
| 6 | Descending etching resistance in advanced substrat… | 8 |
| 7 | OLED display panel, method of manufacturing same, … | 8 |
| 8 | High resolution advanced OLED sub-pixel circuit an… | 7 |
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 stage, competitive concentration, collaborative networks, and geographic coverage — shape where incremental IP investment will find room and where it will face entrenched positions.
Growth stage with an easing peak
The field is classified as Growth: recent three-year filings are 106% above the prior three-year window, confirming multi-year expansion. Annual volume peaked in 2023 and has since eased, but the most recent years are further dampened by publication lag. New entrants can still carve defensible positions, particularly in process sub-steps that large players have not yet saturated.
Growth · post-2023 peakTwo-tier structure with a clear equipment-maker gap
Applied Materials’ 183-family lead over second-ranked BOE Technology Group (106 families) creates an asymmetric two-tier landscape: equipment and materials IP on one side, panel-maker device IP on the other. The top five filers hold 44% of the hundred largest filers’ combined total, leaving the remaining 95 applicants sharing the majority — an environment where differentiated process or materials IP can still achieve meaningful rank.
Concentrated · two-tierBOE Group co-filing network is the most active ecosystem
The most active co-filing pair is BOE Technology Group with Chengdu BOE Optoelectronics, with 23 jointly filed families, far exceeding all other pairs. BOE also co-files with Ordos Yuansheng Optoelectronics, Hefei BOE Zhuoyin Technology, and Hefei BOE Optoelectronics. China Star Optoelectronics shows a secondary cluster between its Wuhan and Shenzhen entities. LG Display’s single co-filing with Rohm and Haas Electronic Materials Korea is the only cross-company collaboration involving a non-Chinese pair in evidence.
Ecosystem · BOE-ledUS filing dominance with a strong Chinese second tier
The United States is the primary protection jurisdiction, followed by China as a substantial second tier, and Europe (EPO) in third. South Korea, Japan, and Taiwan carry smaller but strategically meaningful filing volumes. This distribution reflects both the US home-market protection strategies of equipment leaders and Chinese panel makers’ domestic IP build-out.
US-led · China risingGo 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 |
|---|---|---|
| BOE Technology Group Co Ltd | Chengdu BOE Optoelectronics Technology Co Ltd | 23 |
| BOE Technology Group Co Ltd | Ordos Yuansheng Optoelectronics Co Ltd | 7 |
| BOE Technology Group Co Ltd | Hefei BOE Zhuoyin Technology Co Ltd | 4 |
| BOE Technology Group Co Ltd | Hefei BOE Optoelectronics Technology Co Ltd | 4 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd | Wuhan China Star Optoelectronics Technology Co Ltd | 4 |
| Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd | Huizhou China Star Optoelectronics Display Co Ltd | 3 |
| BOE Technology Group Co Ltd | Chongqing BOE Display Technology Co Ltd | 1 |
| BOE Technology Group Co Ltd | Hefei Xinsheng Optoelectronics Technology Co Ltd | 1 |
| BOE Technology Group Co Ltd | Beijing BOE Display Technology Co Ltd | 1 |
| LG Display Co Ltd | Rohm and Haas Electronic Materials Korea Co Ltd | 1 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Applied Materials and BOE lead separate technology pillars
Applied Materials anchors the process-equipment and deposition side with sharply accelerating momentum, while BOE Technology Group leads the panel-maker cohort despite a recent pullback in filing pace.
Applied Materials Inc
Applied Materials leads the corpus with 183 patent families, concentrated in OLED device architecture (H10K59), manufacturing process flows (H10K71), and device stack design (H10K50). Its recent filing pace has accelerated sharply at 4.7× the prior three-year window, signaling a deliberate push to extend its process-equipment IP moat as panel resolution demands escalate.
families: 183BOE Technology Group Co Ltd
BOE Technology Group ranks second with 106 patent families, also concentrated in OLED device structure, manufacturing, and stack design — directly overlapping with Applied Materials’ primary classes. Its recent filing trend is down 50% versus the prior three-year window, suggesting either a strategic prioritization shift or consolidation of earlier output, though its subsidiary network (Chengdu BOE, Hefei BOE) continues filing actively.
families: 106| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Applied Materials Inc | 121 | ▲ 4.7× vs prior 3-yr |
| BOE Technology Group Co Ltd | 26 | ▼ -50% |
| Universal Display Corporation | 33 | ▲ +136% |
| Samsung Display Co Ltd | 34 | ▲ new entrant |
| Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd | 29 | ▲ +26% |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd | 5 | ▼ -89% |
| LG Innotek Co Ltd | 18 | ▲ +50% |
| LG Display Co Ltd | 10 | ▼ -23% |
Under-served adjacent branches worth monitoring
Several IPC branches adjacent to the dominant H10K class show relatively low filing density compared to their technical relevance to OLED manufacturing, suggesting areas where early IP positioning may be less contested.
G09G · Display control circuits
With 47 patent records against a corpus where H10K alone exceeds 1,000, display control circuit IP is sparsely covered relative to its role in driving pixel uniformity and power efficiency in OLED panels. Samsung Display is the only top-tier filer with a notable G09G component in its technology focus, leaving process-integrated drive-circuit IP largely open. Engineers working on integrated backplane-plus-control-circuit architectures may find fewer blocking positions here than in the dominant device-stack classes.
Search this in Eureka →C09K · Materials for miscellaneous applications
C09K, which covers functional materials including those used in OLED emitter layers and encapsulants, registers only 32 patent records — a 2% share of the branch distribution. Given that emitter material performance is a primary differentiator for panel efficiency and lifetime, the sparse filing density here relative to device-level IP suggests that formulation-focused players have not yet closed off this space. Specialty materials companies and academic spinouts may find a viable entry path through proprietary emitter or host material compositions.
Search this in Eureka →How top filers differ by technology route
Route coverage across the main technology branches in the current evidence set.
| Player | H10K 59 · Organic semiconductors (OLED etc.) | H10K 71 · Organic semiconductors (OLED etc.) | H10K 50 · Organic semiconductors (OLED etc.) | C23C 14 · Coating & surface deposition | H10K 102 · Organic semiconductors (OLED etc.) |
|---|---|---|---|---|---|
| Applied Materials Inc | Strong · 167 | Strong · 93 | Moderate · 51 | Emerging · 12 | Moderate · 34 |
| BOE Technology Group Co Ltd | Strong · 96 | Strong · 56 | Strong · 54 | Emerging · 7 | Emerging · 14 |
| Universal Display Corporation | Strong · 55 | Moderate · 25 | Strong · 46 | Absent | Moderate · 14 |
| Samsung Display Co Ltd | Strong · 57 | Moderate · 18 | Strong · 32 | Absent | Absent |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd | Strong · 44 | Moderate · 20 | Moderate · 17 | Absent | Moderate · 13 |
| Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd | Strong · 53 | Moderate · 20 | Moderate · 13 | Absent | Emerging · 4 |
| LG Innotek Co Ltd | Absent | Strong · 38 | Absent | Strong · 37 | Absent |
Frequently asked questions
Applied Materials Inc leads with 183 patent families, ahead of BOE Technology Group at 106. Applied Materials’ focus is on deposition processes and device architecture, reflecting its equipment-maker position in the OLED supply chain.
The top five filers — Applied Materials, BOE Technology Group, Universal Display Corporation, Samsung Display, and Shenzhen China Star Optoelectronics — account for 44% of the hundred largest filers’ combined total, indicating meaningful but not overwhelming concentration.
Yes on a multi-year basis: recent-window filings are 106% above the prior three-year period, placing the field in a Growth lifecycle stage. Annual volume peaked in 2023 and has eased since, and 2025–2026 counts are further suppressed by publication lag, so the moderation should not be interpreted as a real slowdown.
The United States is the primary jurisdiction, followed by China in second place and the European Patent Office in third. South Korea, WIPO (PCT), Japan, and Taiwan also carry notable filing volumes, reflecting the global nature of the OLED supply chain.
BOE Technology Group and Chengdu BOE Optoelectronics are the most active co-filing pair with 23 jointly filed families. BOE also collaborates with Ordos Yuansheng Optoelectronics and several Hefei BOE subsidiaries. China Star Optoelectronics shows a secondary cluster between its Wuhan and Shenzhen entities.
Display control circuits (G09G) and functional materials (C09K) show relatively low filing density compared to the dominant OLED device-stack classes. These branches have plausible technical relevance to OLED performance but are represented by only 47 and 32 patent records respectively, suggesting less-crowded prior-art landscapes for new entrants.
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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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