Pixel Calibration System

Our pixel calibration system is applied in following two occasions:
----Spot-by-spot brightness & chroma correction for single cabinet. That means every cabinet must be calibrated on the production line, thus ensure that each cabinet can reach a high uniformity before delivery.
----On-site spot-by-spot brightness & chroma correction for a whole led screen. That means a on-site calibration on a suitable viewing place, ensuring that the screen reach a high uniformity at the viewing place.
Support rapid single image analysis, which enables the software to measure 40,000 LED on each record chart of the screen
With automatic centering, it can find the center of each LED screen automatically, even when the module or panel is irregular
Have flexible definition of geometric function, which is adapted to any amount of and any arrangement of LED
Edge effect control can get rid of lines forming between the panels
Tilt module control can get rid of the tilt angle of a tile module
Statistical analysis tools can record and display the central tendency, diversion and gradient statistics of brightness & chroma.
Data chart tools can show the uniformity of brightness and the distribution of chroma.
User designated pass/fail criteria corresponds to each LED’s brightness and chroma
All data recorded, It stores all before/after and pass/fail records, consisting of the correction factors of each pixel, the test date, operator, serial numbers and testing conditions of each module and panel.
Calibration accuracy: brightness ±3% after calibration, chroma ±.003Cx,Cy after calibration