QD Display Backplane Patent Snapshot 2026
The QD display backplane patent corpus is exceptionally small, with only two identified filers and all activity concentrated in a single peak year (2020). Sharp Corporation holds the dominant position; the field has since returned to zero annual filings, indicating post-peak decline.
Sharp leads a two-player field with near-total concentration
Sharp Corporation (filing as Sharp KK) ranks first with 2 patent families, while BOE Technology Group holds 1 patent family — together accounting for the entire corpus of 3 patent families in scope.
Concentration is absolute: the top five filers collectively hold 100% of the top hundred ranked filers’ combined total, and the entire identified activity sits with just two companies. There is no meaningful tier gap — this is a two-player market at the patent level.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | Sharp Corporation | 2 | |
| 2 | BOE Technology Group | 1 |
Sharp’s two-to-one lead over BOE suggests it entered this specific backplane niche first and has accumulated the broader foundational filing base, while BOE’s single family signals an exploratory rather than committed position.
The corpus of 3 patent families should be treated as a narrow search scope result; broader or adjacent query terms may surface additional activity not captured here. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
All filing activity concentrates in 2020; technology mix skews toward semiconductor device classification
The annual filing trend and IPC technology composition together reveal a narrow, time-bounded burst of activity with no subsequent follow-on filings across the observation window.
Annual filing trend
All 3 patent families were filed in 2020; every other year in the observation window shows zero activity. The field peaked in 2020 and has produced no recorded filings since. Given standard publication lag of 18–24 months, recent years remain potentially undercounted, but the gap here spans multiple years and is likely real.
↗ Hover for values · click a bar to ask EurekaTechnology composition
H01L (Semiconductor devices) is the visible IPC class, appearing across all 3 patent families, followed by G06F (Electric digital data processing) and G09G (Display control circuits), each appearing in 2 families. H10K (Organic semiconductors / OLED) appears in 1 family, suggesting a minor organic-semiconductor dimension to the backplane work.
↗ 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.
Quantum-dot display substrate and method for prepa…
The present disclosure provides a quantum-dot display substrate, a method for preparing the same, and a display device. The quantum dot display substrate includes a first electrode, a second electrode, and a quantum-dot-emitting layer located between the first electrode and the second electrode, and the quantum-dot-emitting layer includes: a DNA… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Software privacy for QLED display | 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.
Sharp Corporation
Sharp holds 2 patent families in the corpus, making it the clear leader in this narrow field. Its technology emphasis spans G06F 21 (digital data processing / security), G09G 3 (display control circuits), and H01L 51 (semiconductor devices) — indicating a systems-level approach covering both the display driver logic and the underlying semiconductor structure. Applicant momentum data is not available for the current window.
families: 2BOE Technology Group
BOE Technology Group holds 1 patent family, focused on H01L 27 (semiconductor devices — integrated circuits), H01L 51, and H10K 50 (organic semiconductor devices), suggesting its QD backplane work is more closely tied to the OLED-adjacent thin-film device stack rather than display control logic. Applicant momentum data is not available for the current window.
families: 1Frequently asked questions
The current corpus contains 3 patent families in scope, filed exclusively at the United States Patent and Trademark Office.
Sharp Corporation leads with 2 patent families, followed by BOE Technology Group with 1 patent family. These two companies account for the entirety of the identified corpus.
All 3 patent families were filed in 2020, which represents the sole year of activity in the observation window. No filings are recorded before or after 2020 in the current evidence.
The field is classified as Decline, with annual filings easing back from the 2020 peak to zero across subsequent years. Teams should consider whether relevant IP is also being filed under broader display or semiconductor classifications.
H01L (Semiconductor devices) is the visible class, appearing across all 3 families. G06F (Electric digital data processing) and G09G (Display control circuits) each appear in 2 families, and H10K (Organic semiconductors) appears in 1 family.
No co-applicant or collaborative patent filings are recorded in the current corpus. Both Sharp Corporation and BOE Technology Group appear to have filed independently within this specific technology scope.
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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.