OLED Environmental Durability Patent Snapshot 2026
The OLED environmental durability space is a small, highly concentrated niche: 8 patent families are on record, with Applied Materials Inc commanding a dominant position. Annual filing volume peaked in 2021 and has since eased, placing the field in a decline phase with a narrow set of active participants.
Applied Materials leads a heavily concentrated niche
Applied Materials Inc sits at the top of the applicant ranking with 5 patent records, followed by Shanjin Optoelectronics (Suzhou) Co., Ltd. and LG Display Co., Ltd. each with 2 patent records, and BOE Technology Group Co., Ltd. and Nokia Technologies Oy each with 1 patent record.
The top five filers account for 100% of the combined total among the ranked applicants visible in this query, signalling extreme concentration with no meaningful second tier. The gap between the leader and all challengers is substantial.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | Applied Materials Inc | 5 | |
| 2 | Shanjin Optoelectronics (Suzhou) Co., Ltd. | 2 | |
| 3 | LG Display Co., Ltd. | 2 | |
| 4 | BOE Technology Group Co., Ltd. | 1 | |
| 5 | Nokia Technologies Oy | 1 |
Applied Materials’ position as a deposition-equipment specialist, reflected in its H10K-heavy technology focus, suggests that encapsulation process technology — rather than panel design — is the visible axis of IP protection in this field.
The most recent filing years are subject to publication lag and likely undercount current activity; the apparent absence of filings in 2023–2026 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.
A 2021 activity spike has not been sustained; H10K dominates the technology mix
Filing activity concentrated sharply in 2021 before falling back, and the technology composition is anchored by organic semiconductor (OLED) classifications with minor adjacent branches.
Annual filing trend
Activity was negligible through 2020, surged to 5 records in 2021, then dropped to 2 records in 2022 with no recorded filings thereafter. Given publication lag, the 2023–2026 bars are likely incomplete and should not be read as confirmed zero activity.
↗ Hover for values · click a bar to ask EurekaTechnology composition
H10K (Organic semiconductors / OLED) accounts for 11 patent records and is the clear visible branch, with G02B (Optical elements and systems) and H10D (Semiconductor devices, general) each contributing 2 records. G09F and H01L each contribute 1 record, indicating that display-integration and legacy semiconductor classifications play a minor supporting role.
↗ 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.
Polarizing Plate and Uses Thereof
The present application relates to a polarizing plate and a use thereof. The present application provides a polarizing plate capable of improving the problem of occurrence of rainbow stains in the appearance of an OLED display device, and exhibiting excellent visual appreciation, excellent hardness, and excellent heat-resistance and… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Apparatus and method for providing barrier coating | 14 |
| 2 | 制造具有无机像素包封阻挡层的OLED面板的方法 | 6 |
| 3 | Display substrate panel and preparation method the… | 2 |
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.
Assignee snapshot from the current evidence set
The applicants below are visible in this query result. Because the evidence set is relatively small, read this section as a directional snapshot rather than a full competitive ranking.
Applied Materials Inc
Applied Materials Inc holds 5 patent records, all concentrated in H10K50, H10K59, and H10K71 — covering OLED device structures, display architectures, and manufacturing processes. This focus reflects the company’s deposition-equipment heritage applied directly to encapsulation barrier technology. No momentum data flags a recent acceleration, consistent with its established incumbent position.
patent records: 5Shanjin Optoelectronics (Suzhou) Co., Ltd.
Shanjin Optoelectronics (Suzhou) Co., Ltd. holds 2 patent records and is flagged as a new entrant with a rising trajectory. Its technology emphasis spans G02B5 and G02B1 (optical elements and systems) alongside H10K59, suggesting an approach that integrates optical layer engineering with OLED panel durability — a differentiated angle relative to the leader’s process-equipment focus.
patent records: 2Frequently asked questions
The corpus contains 8 patent families in scope, representing a very small and specialized niche within the broader OLED technology landscape.
Applied Materials Inc leads the ranking with 5 patent records, focused on H10K organic semiconductor and OLED manufacturing process classifications.
China is the primary filing jurisdiction with 5 patent records, followed by the United States with 3, Europe (EPO) with 2, and the United Kingdom with 1.
The field is in a decline phase. Annual filings peaked in 2021 and have since eased back, with a recent-window growth figure of -67%. The most recent years may be undercounted due to publication lag.
No co-applicant relationships are recorded in the available evidence. All five applicants appear to be pursuing independent IP strategies in this field.
G09F (Displaying, advertising and signs) and H01L (Semiconductor devices) each have only 1 patent record, making them the sparsest adjacent branches relative to the visible H10K core. These are observations of relative sparsity; their value as entry points depends on specific technical and commercial context.
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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.