OLED Display Backplane Patent Landscape 2026
OLED Display Backplane Patent Landscape in 2026
The OLED display backplane field is in a Growth stage, expanding significantly on a multi-year basis, with annual volume peaking in 2023 and the most recent years still subject to publication lag. Chinese panel makers dominate the top positions, with BOE Technology Group and Wuhan China Star together accounting for the two largest filing blocks, while the United States is the primary jurisdiction for patent protection.
BOE and China Star lead a highly concentrated field
BOE Technology Group holds the top position in the applicant ranking, followed by Wuhan. China Star Optoelectronics Semiconductor Display and Samsung Display — the three leaders together commanding a substantial share of activity among the hundred largest filers.
The top five filers account for 51% of the hundred largest filers’ combined total, indicating a highly concentrated competitive structure with a pronounced tier gap between the leading panel makers and the rest of the field. Applied Materials stands out as the only major equipment supplier in the top five.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | BOE Technology Group Co Ltd | 158 | |
| 2 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd | 156 | |
| 3 | Samsung Display Co Ltd | 126 | |
| 4 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd | 110 | |
| 5 | Applied Materials Inc | 82 | |
| 6 | LG Display Co Ltd | 54 | |
| 7 | Wuhan China Star Optoelectronics Technology Co Ltd | 31 | |
| 8 | Kunshan Go Visionox Opto-Electronics Co Ltd | 31 | |
| 9 | Hefei Visionox Technology Co Ltd | 30 | |
| 10 | Anhui Semicon Integrated Display Technology Co Ltd | 26 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | TCL China Star Optoelectronics Technology Co Ltd | 26 | |
| 12 | Apple Inc | 25 | |
| 13 | HKC Corporation Ltd | 22 | |
| 14 | Chengdu BOE Optoelectronics Technology Co Ltd | 20 | |
| 15 | Universal Display Corporation | 15 | |
| 16 | EverDisplay Optronics (Shanghai) Co Ltd | 15 | |
| 17 | Beijing BOE Technology Development Co Ltd | 14 | |
| 18 | Semicon Energy Lab Co Ltd | 14 | |
| 19 | Cambridge Display Technology Ltd | 10 | |
| 20 | Beijing BOE Display Technology Co Ltd | 10 |
The dominance of Chinese panel manufacturers — BOE, both. China Star entities, and Visionox affiliates — signals that backplane integration know-how is being aggressively internalized by vertically integrated display producers, leaving equipment and materials suppliers occupying a narrower but strategically distinct niche.
Filing counts for the most recent 18–24 months are systematically under-reported due to patent publication lag and should not be interpreted as a slowdown in inventive activity. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Multi-year growth with a 2023 peak; OLED semiconductor devices dominate the technology mix
The annual filing trend and technology composition charts together reveal a field that expanded strongly over the review window and is anchored in organic semiconductor and TFT backplane patent classes.
Annual filing trend
Filings grew materially from a 2017–2019 trough, reached a corpus peak in 2023 at 158 records, and show apparent moderation in 2024–2026 — a pattern that partly reflects publication lag for the most recent years rather than a genuine contraction. The three-year recent window sits 64% above the prior three-year window, confirming sustained multi-year expansion.
↗ Hover for values · click a bar to ask EurekaTechnology composition
H10K (Organic semiconductors / OLED devices) is the dominant IPC class, reflecting core thin-film transistor and pixel-circuit backplane work. H01L (Semiconductor devices) appears as the second-largest branch, capturing legacy classification of active-matrix backplane transistors. G09G (Display control circuits) and G09F (Displaying, advertising & signs) are notably smaller, signalling that drive-circuit and system-level integration represent under-indexed 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.
Organic light-emitting diode (OLED) display panel,…
An organic lighting-emitting diode (OLED) display panel, a backplane attaching method and a backplane attaching device are provided. The OLED display panel includes: a flexible substrate, and a thin film transistor layer and a light-emitting layer prepared on the flexible substrate. The flexible substrate includes a first flexible substrate layer, a fixing… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Drive circuit for display device | 273 |
| 2 | Organic light emitting diode display having shield… | 230 |
| 3 | Organic light emitting diode display having shield… | 133 |
| 4 | Organic light emitting diode display device and fa… | 75 |
| 5 | OLED显示面板及其制作方法 | 50 |
| 6 | 像素结构以及OLED显示面板 | 48 |
| 7 | Organic light-emitting diode display device and me… | 44 |
| 8 | OLED display and method of fabrication thereof | 38 |
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 geographic focus — shape where new entrants and incumbents should direct resources.
Growth stage, past its 2023 peak on an annual basis
The field is classified as Growth: the recent three-year filing window is 64% above the prior three-year window, confirming sustained multi-year expansion. Annual volume peaked in 2023 and has eased since, though publication lag makes the 2024–2026 data incomplete. R&D teams should expect ongoing competitive intensity rather than a mature, stable landscape.
Growth · past 2023 peakTop-five filers hold 51% share among the hundred largest — a tight oligopoly
The top five applicants — BOE Technology Group, Wuhan China Star Optoelectronics Semiconductor Display, Samsung Display, Shenzhen China Star Optoelectronics, and Applied Materials — collectively hold 51% of the hundred largest filers’ combined patent records. This concentration means new entrants face significant prior-art density in core backplane architectures and must identify non-obvious differentiation angles to avoid crowded claim space.
High concentrationBOE’s internal network dominates co-filing; Visionox affiliates form a secondary cluster
The most active co-filing pair is BOE Technology Group with Chengdu BOE Optoelectronics (20 joint records), reflecting parent-subsidiary joint prosecution within the BOE group. BOE Technology Group also co-files extensively with Hefei Xinsheng Optoelectronics and Beijing BOE Display Technology. A secondary cluster links Kunshan Go Visionox with Hefei Visionox (13 records) and Wuhan China Star Semiconductor Display with Wuhan China Star Tech (7 records). Ecosystem partnerships outside these vertically integrated groups are sparse, suggesting limited cross-company open innovation.
Intra-group dominantUS leads for protection; China is the key manufacturing jurisdiction
The United States is the primary protection jurisdiction with 502 patent records, followed by China with 404 records. WIPO PCT filings (86 records) and EPO (69 records) indicate selective internationalization by the leading filers. Taiwan, South Korea, and Japan have materially lower coverage, which may represent filing gaps for companies seeking to secure positions in those manufacturing ecosystems.
US-first, China close secondGo 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 | 20 |
| Kunshan Go Visionox Opto-Electronics Co Ltd | Hefei Visionox Technology Co Ltd | 13 |
| BOE Technology Group Co Ltd | Hefei Xinsheng Optoelectronics Technology Co Ltd | 10 |
| BOE Technology Group Co Ltd | Beijing BOE Display Technology Co Ltd | 10 |
| BOE Technology Group Co Ltd | Beijing BOE Technology Development Co Ltd | 9 |
| BOE Technology Group Co Ltd | Ordos Yuansheng Optoelectronics Co Ltd | 7 |
| BOE Technology Group Co Ltd | Yunnan Chuang Sijie Optoelectronics Technology Co Ltd | 7 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd | Wuhan China Star Optoelectronics Technology Co Ltd | 7 |
| BOE Technology Group Co Ltd | Chongqing BOE Display Technology Co Ltd | 6 |
| BOE Technology Group Co Ltd | Hefei BOE Zhuoyin Technology Co Ltd | 5 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
BOE Technology Group leads in volume; Applied Materials stands out as a fast-rising equipment player
The top two positions are separated by only two patent records, making it a near-tie at the front of the ranking, while Applied Materials’ trajectory distinguishes it as the most notable recent entrant among large filers.
BOE Technology Group
BOE Technology Group leads the ranking with 158 patent records, concentrated in H10K 59 (Organic semiconductors / OLED) and H01L 27 (Semiconductor devices) — precisely the active-matrix backplane and pixel-circuit classes that define the core competitive battleground. Recent momentum shows a 23% decline in the latest period relative to the prior window, suggesting a possible shift toward quality consolidation or a filing-mix change rather than reduced activity, given continued publication lag.
patent records: 158Applied Materials
Applied Materials ranks fifth overall with 82 patent records and is classified as a new entrant in the recent momentum analysis, meaning its recent-period filings represent a significant ramp from a previously small base. Its technology focus is concentrated in H10K 59, H10K 71, and H10K 50 — process and device-structure classes rather than circuit-level backplane design — positioning it as an equipment and deposition-process specialist that is expanding its IP footprint as OLED backplane manufacturing scales.
patent records: 82| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| BOE Technology Group Co Ltd | 40 | ▼ -23% |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd | 31 | ▼ -63% |
| Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd | 46 | ▲ +12% |
| Samsung Display Co Ltd | 20 | ▲ +33% |
| Applied Materials Inc | 52 | ▲ new entrant |
| LG Display Co Ltd | 9 | ▲ new entrant |
| Kunshan Go Visionox Opto-Electronics Co Ltd | 14 | ▲ new entrant |
| Wuhan China Star Optoelectronics Technology Co Ltd | 2 | ▼ -80% |
Under-served IPC branches adjacent to the dominant backplane core
Several IPC classes appear at low share relative to the dominant H10K and H01L branches; these represent areas of relative sparsity that may offer differentiation headroom for filers with applicable technical capabilities.
G09G · Display control circuits
With 120 patent records and a 7% share, G09G is the largest of the lower-density branches — sizeable enough to indicate real activity, but small relative to the backplane device classes. This branch covers the drive and compensation circuits that sit at the interface between backplane TFTs and display performance. Filers with expertise in pixel-level current compensation, threshold-voltage correction, or integrated driver-on-array architectures could find less-crowded claim space here. An entry path exists for both panel makers and IC design houses with AMOLED driver experience.
Search this in Eureka →H10D · Semiconductor devices (general)
H10D appears with 33 patent records and a 2% share, making it one of the sparser branches in the corpus. This class captures generalized semiconductor device structures that could encompass novel TFT architectures — such as oxide or organic TFTs — not yet fully classified under the dominant H10K or H01L subclasses. The relative sparsity suggests that next-generation backplane transistor designs using emerging channel materials may not yet be well-represented, which could indicate earlier-stage patenting opportunities for groups working on IGZO successors or 2D-material TFTs. Entry path is most realistic for research-intensive organizations or equipment suppliers developing new deposition processes.
Search this in Eureka →How leading filers differ across core technology routes
Strength of each leader across the main technology routes.
| Player | H10K 59 · Organic semiconductors (OLED etc.) | H01L 27 · Semiconductor devices | H01L 51 · Semiconductor devices | H10K 71 · Organic semiconductors (OLED etc.) | H10K 50 · Organic semiconductors (OLED etc.) |
|---|---|---|---|---|---|
| BOE Technology Group Co Ltd | Strong · 89 | Strong · 67 | Moderate · 33 | Moderate · 33 | Moderate · 33 |
| Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd | Strong · 70 | Strong · 87 | Moderate · 42 | Emerging · 16 | Moderate · 18 |
| Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd | Strong · 60 | Strong · 51 | Moderate · 30 | Moderate · 27 | Emerging · 10 |
| Samsung Display Co Ltd | Moderate · 29 | Strong · 83 | Moderate · 37 | Emerging · 7 | Emerging · 16 |
| Applied Materials Inc | Strong · 80 | Absent | Absent | Moderate · 33 | Moderate · 27 |
| LG Display Co Ltd | Absent | Strong · 41 | Strong · 28 | Absent | Absent |
| Hefei Visionox Technology Co Ltd | Strong · 28 | Absent | Absent | Strong · 17 | Moderate · 10 |
Frequently asked questions
The corpus covers 934 patent families. This is the foundational count from which trend, jurisdiction, and technology-composition analyses are derived.
BOE Technology Group Co Ltd leads the ranking with 158 patent records, followed very closely by Wuhan China Star Optoelectronics Semiconductor Display with 156 patent records. Samsung Display ranks third with 126 patent records.
The field is in a Growth lifecycle stage. The recent three-year filing window is 64% above the prior three-year window, confirming multi-year expansion. Annual volume peaked in 2023 and has eased since, but data for 2024–2026 is incomplete due to patent publication lag and should not be read as a genuine decline.
The United States is the primary protection jurisdiction with 502 patent records in the corpus, followed by China with 404 records. WIPO PCT (86 records) and Europe EPO (69 records) are the next most significant filing routes, indicating selective but meaningful internationalization by leading filers.
Applied Materials is the only major equipment supplier in the top five, with 82 patent records and a trajectory classified as a new entrant in the recent period — meaning it has ramped its filing activity significantly from a small prior base. Its focus is concentrated in H10K process and device-structure subclasses, distinguishing it from panel makers who cover both H10K and H01L classes. Materials and equipment specialists otherwise occupy a narrower presence in the corpus.
The lowest-share IPC branches adjacent to the dominant core include H10D (Semiconductor devices, general) at 33 patent records and 2% share, H10N (Other electric solid-state devices) at 23 patent records and 1% share, and G06F (Electric digital data processing) at 37 patent records and 2% share. G09G (Display control circuits) at 120 records and 7% share is the largest of the relatively under-indexed branches and may represent the most accessible entry point for filers with drive-circuit expertise.
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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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