With the fierce market competition, the quality of display display has become more and more important to the industry. Point-by-point calibration has been accepted as a routine process by many high-end manufacturers, and is often included in bidding by the bidding unit.
However, for the conditions, implementation, application areas and subsequent maintenance of point-by-point correction, there are various misunderstandings and concept ambiguities in the industry. The following clarifications and discussions on some common misunderstandings.
Myth 1: Point-by-point correction requires the use of a dedicated driver chip
As long as the control system supports it, the universal driver chip can also achieve point-by-point correction!
Myth 2: Point-by-point correction is done by the control system manufacturer. The correction technology is bundled with the control system.
The real necessary conditions for point-by-point correction are the following three points:
1. High-precision, high-efficiency lamp point brightness acquisition equipment
2, can achieve point-by-point correction control system
3. Data docking of the above two
Point-by-point correction can be divided into two steps:
1. Accurately measure the brightness of each lamp/chip to obtain a point-by-point correction factor.
2. The correction coefficient data is fed back to the control system to achieve precise drive control point by point.
Point-by-point drive control has already been realized, and this function is already available in the general control system on the market. But for the collection of millions of light point data, some control system vendors have developed various tools that are incompatible with other systems. As a result, the point-by-point correction and control system is bundled, and the integrated understanding is misunderstood.
At present, the common acquisition methods are organic desktop point-by-point acquisition, digital camera acquisition and import equipment acquisition, and high-speed brightness measurement instrument SV-1 system acquisition. Among them, SV-1 system has realized data docking with most common control systems in the market. The display manufacturer is free to choose the driver chip and control system to complete the convenient and efficient point-by-point correction.
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