The ranked field in this dataset contains only five assignees, and together they account for all 14 records in scope. The single leader holds 6 of those 14 records, making it the largest holder by a clear margin, while the remaining four assignees hold smaller shares down to a single record each. This is a concentrated field rather than one with a long tail of occasional filers, so due diligence can focus on a short list of parties rather than a broad market scan.

Every one of the 14 records in scope carries a G09G display-control-circuit classification, meaning the claims are almost entirely about how compensation values are generated, stored and applied at the driving-circuit level. Image-data-processing (G06T) and semiconductor-device (H01L) classifications each touch only one record apiece, so camera-side image processing and physical panel fabrication are comparatively under-represented relative to the compensation logic itself. A search focused only on G09G would still capture nearly the entire field.

Filing peaked in 2017 at 5 records and has not returned to that level since, with the most recent year showing 0 records. Growth cannot be reliably calculated for this dataset because there are fewer than four complete years once the roughly 18-month publication lag is accounted for. Readers should treat the apparent recent slowdown with caution rather than concluding the field has gone dormant, since 2025-2026 filings may simply not be published yet.

US20250349237A1, filed by LX Semicon and published in November 2025, claims a Mura compensation module built around a DBV setting unit, a memory storing reference Mura compensation values per grayscale for a reference luminance band, and a determination unit that derives an input compensation value for a different luminance band from that stored reference. In practice this blocks approaches that derive a target luminance band's grayscale compensation values from a stored reference band using an equivalent lookup-and-derive structure. Anyone implementing a comparable per-grayscale, per-luminance-band compensation scheme should review this claim set closely before finalising a design.

Based on the IPC composition in this dataset, the white space sits outside the dominant G09G driving-circuit cluster: camera-based calibration workflows, test-time reduction methods for gamma uniformity checks, and defect classification approaches for mura patterns each show minimal direct representation. Compensation-data storage architecture and cross-panel calibration transfer are similarly thin. These are reasonable starting points for a freedom-to-operate review precisely because the concentrated leader and the other ranked assignees have filed comparatively little there.