Mini-LED Driving Substrate Patent Snapshot 2026
The Mini-LED driving substrate patent corpus is highly concentrated, with TCL China Star Optoelectronics Technology and Huizhou China Star Optoelectronics Display jointly commanding the top positions within a very small but focused applicant pool. Annual filings have plateaued near their 2023 peak, signaling a field entering maturity rather than rapid expansion.
TCL China Star and Huizhou China Star dominate a tightly held corpus
TCL China Star Optoelectronics Technology Co., Ltd. and Huizhou. China Star Optoelectronics Display Co., Ltd. each hold the top positions in the applicant ranking, together accounting for the entirety of the top filers’ activity in this space.
The top five filers account for 100% of the combined patent records among the ranked applicants visible in this query, indicating extreme concentration with no meaningful second tier currently visible in this corpus.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | TCL China Star Optoelectronics Technology Co., Ltd. | 2 | |
| 2 | Huizhou China Star Optoelectronics Display Co., Ltd. | 2 | |
| 3 | Shenzhen Longli Tech Co., Ltd. | 1 | |
| 4 | WG Tech (Jiangxi) Co., Ltd. | 1 |
The visible position of the TCL China Star entities — operating across both display control circuits and semiconductor device branches — implies these players have already staked out the primary technical pathways; new entrants face a evidence snapshot where the foundational claims are largely controlled by a single corporate family.
Filings from the most recent 18–24 months are subject to publication lag and may undercount actual activity; the apparent plateau should be interpreted with this in mind. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Filing activity plateaued in 2023; technology mix spans display control and semiconductor devices
The annual filing trend shows sparse but consistent activity since 2020, peaking at two records in 2023, while the technology composition reflects a dual focus on display control circuits and semiconductor device structures.
Annual filing trend
Activity was absent before 2020, then registered isolated filings in 2020 and 2021, rose to a local peak of two records in 2023, and shows zeros for 2024–2026. The 2024–2026 readings reflect publication lag and should not be read as confirmed zero activity.
↗ Hover for values · click a bar to ask EurekaTechnology composition
G09G (display control circuits) and H01L (semiconductor devices) each account for two patent records, with one record in G02F (optical control and modulation). This balanced split indicates that substrate-level innovation is pursued both from the circuit-driving angle and the semiconductor device construction angle, with optical modulation as a smaller adjacent branch.
↗ 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.
Mini-led backlight module, driving method thereof,…
The present application provides a mini-LED backlight module, a driving method thereof, and a display device thereof that dispose a plurality of scan line sets. Each of the scan line sets includes a number of M of scan lines. i<sup>th </sup>ones of the scan lines in the different ones of the scan line sets are connected to one another, and the i<sup>th… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | 一种Mini-LED背光板通孔的形成方法及电子设备 | 3 |
| 2 | mini-LED背光模组的制备方法 | 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.
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.
TCL China Star Optoelectronics Technology
TCL China Star Optoelectronics Technology Co., Ltd. holds 2 patent records and is classified as a new entrant in this specific corpus, with all recent filings concentrated in G09G display control circuits (including both G09G 3 and G09G 5 sub-classes). The focus on the circuit-driving layer — rather than semiconductor device construction — reflects a system-integration perspective on the driving substrate problem.
patent records: 2Huizhou China Star Optoelectronics Display
Huizhou China Star Optoelectronics Display Co., Ltd. also holds 2 patent records and is likewise a new entrant in this corpus. Its technical emphasis mirrors the leader’s G09G 3 and G09G 5 focus, and it is the named co-filer in the only observed collaboration in the dataset. This alignment suggests the two entities operate as a coordinated unit rather than independent competitors.
patent records: 2Frequently asked questions
The current evidence scope contains 4 patent families. This is a very small corpus, reflecting either highly specific search parameters or an early-stage niche within the broader Mini-LED patent landscape.
TCL China Star Optoelectronics Technology Co., Ltd. and Huizhou China Star Optoelectronics Display Co., Ltd. each hold 2 patent records and jointly lead the ranking. Shenzhen Longli Tech Co., Ltd. and WG Tech (Jiangxi) Co., Ltd. each hold 1 patent record.
The field is at a maturity stage, with annual filings having plateaued near their 2023 peak and zero net recent growth. The evidence does not support characterizing the field as rapidly expanding at this time.
Patent records appear in China and the United States, with two records each. No filings are recorded in Europe, Japan, Korea, or other major jurisdictions in this corpus, which may represent either a filing strategy or a freedom-to-operate gap in those markets.
G09G (display control circuits) and H01L (semiconductor devices) each account for two patent records, with one record in G02F (optical control and modulation). The split reflects parallel development along circuit-driving and semiconductor device construction approaches.
The only observed co-filing relationship is between TCL China Star Optoelectronics Technology and Huizhou China Star Optoelectronics Display Co., Ltd., with 2 joint records. No cross-group or academic–industry collaborations are present in the current evidence.
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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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