OLED Device & Circuit Simulation Patent Landscape 2026
The OLED device and circuit simulation patent field is moderately concentrated, with Universal Display Corporation holding the top position among a competitive set of display majors and panel makers. Activity reached a multi-year high in 2023 and has plateaued near that level, signalling a mature but still actively contested space.
Universal Display leads a display-industry-dominated field
Universal Display Corporation sits at the top of the applicant ranking, followed by Samsung Display, LG Display, and BOE Technology Group. The top five filers account for 40% of the hundred largest filers’ combined total, indicating moderate concentration with meaningful secondary-tier activity.
A clear tier gap separates Universal Display and Samsung Display from the rest of the field. Beyond the top two, the ranking shows several mid-tier panel makers and chemical suppliers clustered within a narrow band, meaning no single challenger is positioned to close the gap quickly.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | Universal Display Corporation | 32 | |
| 2 | Samsung Display Co., Ltd. | 24 | |
| 3 | LG Display Co., Ltd. | 19 | |
| 4 | BOE Technology Group Co., Ltd. | 17 | |
| 5 | Chengdu BOE Optoelectronics Technology Co., Ltd. | 8 | |
| 6 | Wuhan Tianma Micro Electronics Co., Ltd. | 7 | |
| 7 | LG Chem, Ltd. | 6 | |
| 8 | Samsung Electronics Co., Ltd. | 6 | |
| 9 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 6 | |
| 10 | Zhejiang Brilliant Optoelectronic Technology Co., Ltd. | 5 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | University of Michigan | 5 | |
| 12 | NewSouth Innovations Pty Ltd | 5 | |
| 13 | Avalon Holographics Inc. | 5 | |
| 14 | 3M Innovative Properties Company | 4 | |
| 15 | Shanjin Optoelectronics (Suzhou) Co., Ltd. | 4 | |
| 16 | University of Chicago | 4 | |
| 17 | Shanghai Seeo Optronics Technology Co., Ltd. | 4 | |
| 18 | Beijing BOE Technology Development Co., Ltd. | 3 | |
| 19 | Guojing Hechuang (Qingdao) Technology Co., Ltd. | 3 | |
| 20 | Wuhan Yuwei Optical Software Co., Ltd. | 3 |
The leaders’ positions reflect deep integration of simulation workflows into device and process development. Universal Display’s lead, combined with its focus on core OLED semiconductor sub-classes, suggests its IP covers foundational modelling methods rather than peripheral applications.
Patent filings from approximately 2024 onward are subject to publication lag and are likely under-counted; trend readings for those years should be treated with caution. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Filing activity plateaued near its 2023 peak; OLED core class dominates the technology mix
The annual trend and technology composition charts together show a field that expanded rapidly from 2019 to 2023 and has since stabilised, while the technology mix is anchored in a single dominant IPC class with several adjacent classes representing smaller but distinct research threads.
Annual filing trend
Filings accelerated sharply from 2019 onward, peaking in 2023. The 2024 and 2025 bars are near the 2021 level, consistent with plateau behaviour around the peak; the 2026 bar is materially under-counted due to publication lag and should not be read as a decline.
↗ Hover for values · click a bar to ask EurekaTechnology composition
H10K (organic semiconductors / OLED) accounts for the large majority of classified records and anchors the field. Secondary branches — including C09K (functional materials), H01L (semiconductor devices), G06F (digital data processing), and organo-metallic chemistry classes C07F and C07D — each represent a smaller but coherent slice, indicating that simulation work spans materials modelling, device physics, and computational methods.
↗ 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.
Long operational lifetime OLED display
Embodiments of the disclosed subject matter provide a device having a full-color organic light emitting device (OLED) display having a plurality of pixels, with each pixel having a plurality of sub-pixels and where no individual sub-pixel of the plurality of sub-pixels emits white light. The OLED display may be configured to operate with a luminance of at… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | OLED microcavity design and optimization method | 7 |
| 2 | Fensterelement, Fassadenelement, System aus Fassad… | 6 |
| 3 | 抑制OLED喷墨打印中咖啡环效应的扩散域仿真方法及装置 | 4 |
| 4 | 一种基于新型有机半导体光电材料构建光电器件的方法 | 4 |
| 5 | 一种OLED的Verilog-A仿真模型的实现方法 | 4 |
| 6 | Driving circuit of active-matrix organic light-emi… | 3 |
| 7 | Color-tunable OLED having long operational lifetime | 3 |
| 8 | Organic light-emitting display substrate, method f… | 3 |
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 competitive structure means for R&D investment decisions
Four structural observations — maturity stage, concentration, collaboration patterns, and jurisdiction focus — frame where opportunity and risk sit for an engineer or strategist entering this space.
Field has reached maturity with annual volume plateauing near its 2023 peak
The lifecycle evidence classifies this field as mature, with annual filings having plateaued near their 2023 peak. The recent-window growth of 6% over the multi-year period confirms the field is still expanding in aggregate, but the pace of new entry has slowed. For R&D teams, this means foundational simulation methods are well-covered and differentiation requires narrower, higher-specificity claims.
Mature · plateau near 2023 peakModerate concentration with a two-tier structure
The top five filers hold 40% of the hundred largest filers’ combined total, with Universal Display and Samsung Display forming a distinct leading tier. The mid-tier — LG Display, BOE, Chengdu BOE, Wuhan Tianma, LG Chem, and Samsung Electronics — is active but individually holds smaller positions. New entrants face a well-defended core in OLED device modelling but have more room in adjacent computational and materials sub-classes.
Moderate concentration · two tiersBOE–Chengdu BOE and LG Display–Korea University are the most active co-filing pairs
The strongest co-filing relationship is between BOE Technology Group and Chengdu BOE Optoelectronics, with 8 joint records — likely reflecting an internal subsidiary collaboration. LG Display and Korea University Research & Business Foundation have co-filed 3 records, pointing to an industry–academia link on device physics. Samsung Electronics and Samsung SDI have 2 joint records, and LG Display and LG Chem have 1, both consistent with intra-group IP coordination.
Intra-group & industry–academia co-filingUnited States is the primary filing jurisdiction by a wide margin
The United States leads all jurisdictions with 137 patent records, far ahead of China with 29. Germany and EPO each register 20 records, reflecting European display and materials industry activity. WIPO PCT filings stand at 7, and South Korea — home to Samsung and LG — shows only 4 records in this corpus, suggesting that Korean entities prefer direct US and regional filing routes for simulation IP.
US-dominant · China and EPO secondaryGo 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. | 8 |
| LG Display Co., Ltd. | Korea University Research & Business Foundation | 3 |
| Samsung Electronics Co., Ltd. | Samsung SDI Co., Ltd. | 2 |
| LG Display Co., Ltd. | LG Chem, Ltd. | 1 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Universal Display and Samsung Display lead; LG Display is a fast-rising challenger
The top two filers are separated from the rest of the field by volume and by depth of OLED-core sub-class focus. Momentum data reveal diverging trajectories within the leading group, with some established filers contracting while others are scaling up rapidly.
Universal Display Corporation
Universal Display Corporation holds the top position with 32 patent records. Its technology emphasis is concentrated in H10K50 and H10K59 — core OLED device structure and pixel-array sub-classes — as well as H10K102, indicating coverage across device physics modelling. Its momentum is classified as a new entrant in the recent window, meaning its recent filings represent a fresh and growing commitment to this specific simulation corpus rather than a legacy position.
patent records: 32LG Display Co., Ltd.
LG Display ranks third overall with 19 patent records and shows a new-entrant momentum trajectory in the recent period, with 11 recent records — a sharp acceleration. Its technology focus spans H10K50, H10K59, and H10K99, broadly covering device structure and backplane simulation. The LG Display–Korea University co-filing relationship (3 joint records) suggests that academic partnerships are informing its simulation methodology pipeline.
patent records: 19| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Universal Display Corporation | 20 | ▲ new entrant |
| Samsung Display Co., Ltd. | 5 | ▼ -58% |
| BOE Technology Group Co., Ltd. | 2 | ▼ -86% |
| LG Display Co., Ltd. | 11 | ▲ new entrant |
| Samsung Electronics Co., Ltd. | 5 | ▲ new entrant |
| Chengdu BOE Optoelectronics Technology Co., Ltd. | 1 | ▲ new entrant |
| Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | 4 | ▲ new entrant |
| Avalon Holographics Inc. | 1 | ▲ new entrant |
Under-served adjacent branches worth monitoring
Several IPC classes appear alongside the dominant H10K core at relatively low share, suggesting that certain technical dimensions of OLED simulation — particularly computational and materials-modelling angles — remain less densely covered. These are observations of relative sparsity; technical and commercial viability should be validated independently.
G06F · Electric digital data processing — computational simulation methods
G06F covers general digital data processing and numerical methods, and appears in 33 patent records — just 7% of the classified corpus — despite being a natural host for OLED circuit-level simulation algorithms, SPICE-style modelling, and device compact models. The sparse coverage relative to H10K suggests that algorithm-level and software-architecture claims for OLED simulation tools are less contested. An entrant with expertise in EDA or device-physics solvers could file in this branch with less risk of collision against existing art.
Search this in Eureka →G16C · Computational chemistry — materials property prediction
G16C (computational chemistry) appears in only 2 patent records in this corpus, making it the sparsest branch with a plausible direct link to OLED simulation: predicting emitter quantum efficiency, charge-carrier mobility, or exciton dynamics from first-principles or machine-learning models. As AI-assisted materials discovery accelerates, the gap between actual filings and technical relevance in this sub-class is notable. Entry here would sit at the intersection of G16C and G06N (AI computing models, also at 4 records), both under-represented relative to their technical applicability.
Search this in Eureka →How leading filers differ across technology sub-classes
Route coverage across the main technology branches in the current evidence set.
| Player | H10K 50 · Organic semiconductors (OLED etc.) | H10K 59 · Organic semiconductors (OLED etc.) | H10K 85 · Organic semiconductors (OLED etc.) | C09K 11 · Materials for misc. applications | H10K 101 · Organic semiconductors (OLED etc.) |
|---|---|---|---|---|---|
| Samsung Display Co., Ltd. | Strong · 19 | Moderate · 9 | Strong · 11 | Moderate · 7 | Strong · 11 |
| Universal Display Corporation | Strong · 31 | Strong · 17 | Absent | Absent | Emerging · 2 |
| BOE Technology Group Co., Ltd. | Strong · 12 | Strong · 16 | Emerging · 3 | Emerging · 2 | Emerging · 1 |
| LG Display Co., Ltd. | Strong · 11 | Strong · 10 | Moderate · 5 | Moderate · 4 | Emerging · 2 |
| Samsung Electronics Co., Ltd. | Strong · 9 | Absent | Strong · 9 | Strong · 5 | Strong · 7 |
| LG Chem, Ltd. | Strong · 8 | Moderate · 3 | Strong · 5 | Moderate · 4 | Strong · 5 |
| Chengdu BOE Optoelectronics Technology Co., Ltd. | Strong · 5 | Strong · 7 | Absent | Absent | Absent |
Frequently asked questions
The evidence covers 204 patent families in scope for OLED device and circuit simulation, representing a focused but well-defined corpus concentrated in the United States and secondarily in China and Europe.
Universal Display Corporation leads with 32 patent records, ahead of Samsung Display with 24 and LG Display with 19. Its focus is concentrated in core OLED device-structure sub-classes H10K50, H10K59, and H10K102.
The field shows a 6% growth rate over the recent multi-year window, but annual filings have plateaued near the 2023 peak. The lifecycle evidence classifies the field as mature rather than in active growth. Figures for 2024 onward are subject to publication lag and are likely under-counted.
The United States leads with 137 patent records, followed by China with 29, and Germany and EPO each with 20. South Korea — home to Samsung and LG — accounts for only 4 records in this corpus, suggesting those entities favour direct US and regional routes.
The strongest co-filing pair is BOE Technology Group and Chengdu BOE Optoelectronics with 8 joint records, likely reflecting intra-group coordination. LG Display and Korea University Research & Business Foundation have 3 joint records, indicating an industry–academia link. Samsung Electronics and Samsung SDI have 2, and LG Display and LG Chem have 1.
G06F (digital data processing / numerical simulation methods) appears in 33 records at 7% share of the classified corpus, and G16C (computational chemistry) appears in only 2 records — both sparse relative to their technical relevance to OLED modelling. These branches represent under-served adjacent areas worth investigating for new filing strategies.
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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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