OLED Pixel Panel Design Optimization Patent Snapshot
This is a nascent, highly concentrated corpus in which the top five filers account for all activity among the hundred largest filers, with LG Display holding a commanding lead. Filing activity accelerated sharply from 2022 onward, though the corpus remains small and all active assignees entered recently.
LG Display leads an early-stage, tightly concentrated field
LG Display is the clear leader in this corpus, holding the top rank in the applicant table. The field is dominated by a small number of filers: the top five account for all filings among the ranked applicants visible in this query, indicating that no large crowd of mid-tier competitors has yet formed.
Below LG Display, YAS Co. Ltd holds the second rank and the Indian Institute of Technology Bombay ranks third, pointing to a field where an industrial incumbent, a focused specialist, and an academic institution form the visible tier. The gap between first and subsequent filers is notable given the small corpus size.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | LG Display Co. Ltd | 6 | |
| 2 | YAS Co. Ltd | 3 | |
| 3 | Indian Institute of Technology Bombay | 2 | |
| 4 | Shenzhen Xiaoyang Zhixian Technology Co. Ltd | 1 |
LG Display’s emphasis across both OLED device structure (H10K) and display control circuits (G09G) suggests a vertically integrated approach covering pixel architecture and its driving electronics together. Challengers are currently narrower in scope.
The most recent filing years are subject to publication lag and likely undercount true activity; observed counts for 2024–2025 should be treated as a floor, not a ceiling. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Activity surged from 2022 onward; organic semiconductor device filings dominate
The annual filing trend reveals a corpus that was effectively inactive before 2022 and has grown quickly since, while the technology composition is heavily anchored in OLED device-layer classification with adjacent digital-processing branches present at lower shares.
Annual filing trend
Zero filings are recorded from 2017 through 2021; activity begins in 2022 and rises sharply through 2024. The 2025 figure and any 2024 count should be read as a lower bound because of publication lag — the true recent-year totals are almost certainly higher than currently indexed.
↗ Hover for values · click a bar to ask EurekaTechnology composition
H10K (organic semiconductor devices, including OLED structures) is the visible IPC branch by a wide margin, consistent with a focus on pixel-level device design. G09G (display control circuits) and G06F (digital data processing) appear as secondary branches, reflecting driver and simulation work. H01L (semiconductor devices broadly) is the least-represented branch and represents the most sparsely covered adjacent area.
↗ 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 display panel and organic l…
Embodiments of the present disclosure relate to an organic light-emitting display panel and an organic light-emitting display device including the same. The organic light-emitting display device can include at least one emission area including a first sub-emission area disposed in a first sub-row and a second sub-emission area disposed in a second sub-row… (excerpt from the patent abstract)


| # | Patent | Citations |
|---|---|---|
| 1 | 基于热场分布的OLED散热结构优化设计方法及系统 | 1 |
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.
LG Display Co. Ltd
LG Display holds 6 patent families in this corpus — the largest share of any single filer. Its technology emphasis spans H10K 59 (OLED device structures), G09G 3 (display control circuits), and G06F 3 (digital data processing), reflecting an integrated approach from pixel architecture through panel-level driving. The applicant momentum signal classifies LG Display as a new entrant in this specific sub-corpus, with 4 recent families, indicating that its activity here is recent and still forming rather than a long-established position.
families: 6YAS Co. Ltd
YAS Co. Ltd holds 3 patent families, placing it second in the ranking. Its focus is concentrated in H10K 59 and H10K 71 — covering OLED device structures and manufacturing processes respectively — with no recorded activity in display control or digital processing branches. All 3 recent families were filed under a co-inventor collaboration with AHN BYUNGCHUL, suggesting a specialist inventor-company model. Momentum is classified as a new entrant.
families: 3Frequently asked questions
LG Display Co. Ltd is the leading filer in this corpus, holding the top rank in the applicant table. Its filings span OLED device structures, display control circuits, and digital data processing, reflecting a broad, integrated approach to pixel and panel design.
The field is extremely concentrated. The top five filers account for all activity among the ranked applicants visible in this query in this corpus. LG Display alone holds the majority of patent families, leaving a thin mid-tier presence and very limited dispersion of activity across a broader set of organizations.
Recorded activity in this specific corpus begins in 2022, with filings rising sharply through 2024. The years 2017 through 2021 show no recorded filings. All momentum-tracked assignees are classified as new entrants, consistent with a field that has formed recently.
Europe (EPO), the United States, and the United Kingdom are each represented by three records, making them co-equal leading jurisdictions. India holds two records, and China holds one. Protection strategies in this corpus are currently weighted toward Western markets.
The most active co-filing pair identified is AHN BYUNGCHUL and YAS Co. Ltd, with three jointly filed patent families. This suggests an inventor-company collaboration model. No large institutional partnerships are surfaced in the available evidence.
The H01L (semiconductor devices) branch holds only one record in this corpus, giving it the lowest share of any IPC branch present. This relative sparsity, combined with the technical relevance of underlying device physics to OLED pixel performance, makes it the most observable adjacent area — though whether it represents a viable entry point depends on an organization’s specific technical capabilities and claim strategy.
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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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