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Calibration technology


NEC Display Solutions Ltd. has a concept “to display the actual thing as it is” for developing monitors. Based on this concept, we develop various kinds of technology for materializing the optimum color management. Calibration, Uniformity, and Luminance are specific keywords for this concept. As a result of this development, the users in the photograph industry and the printing industry who are professionals in images use our products. Furthermore, our monitors for medical diagnostic imaging are also used by the medical industry.

What is Calibration Technology?

Color calibration

This means the operation of equipment, such as monitors and printers, for expressing the subject color precisely. Thus, the unit verifies the current color reproduction conditions and compensates the settings for reproducing the colors to be expressed more exactly. For instance, the color calibration is an operation for compensating color expressions that have been changed due to changes on standing from ones that were expected to be expressed originally by the monitor.

There are two types of calibrations: the hardware calibration method where the display will calibrate colors automatically to the values set by the user previously, and the software calibration method that uses software from other manufacturers to calibrate colors manually.

Color matching

This means an operation for standardizing color tones on different monitors. For instance, this function is used to reproduce different color expressions on different monitors of a photographer and a designer with the same color tone for the reasons as mentioned above. Specifically, the basic color information is transmitted to both monitors by using the color information and profiles, and then the colors are compensated accordingly.

Color management

This means preparation of an environment where all persons involved in the operation process share common colors. To standardize precise color expression, the respective monitors must have a function to execute precise calibration.

NEC’s Calibration Technology

The color calibration adjusts the white point temperature, brightness, and gamma value. This function shall basically set these three items to the values desired by the user and save on the monitor.

For the High-grade series, all models are equipped with the hardware calibration function. The dedicated application software and the corresponding color sensor are required to execute the actual color calibration.

  1. Install the dedicated software on your PC to execute the basic settings, and then connect the color sensor to the USB port on your PC.
  2. Set the desired values for the color temperature, white point temperature, brightness, and gamma value, and press the calibration button to set the color sensor on the monitor screen.
  3. When the dedicated application is started, the color sensor will examine the current monitor condition carefully. Then the monitor automatically adjusts the relevant items to the conditions set by the user previously on the basis of these data.
Appropriate brightness

Among the high-grade series products, LCD3090WQXi is equipped with the self-calibration and the copy calibration functions.

  1. Self calibration function
    Since the calibration software is integrated into the monitor, it is possible to execute the calibration of the gamma property, white point, and brightness simply by connecting the corresponding color sensor.Self calibration function
  2. Copy calibration function
    It is possible to copy the measurement values (white point/brightness) of other monitors to the monitor. This is a useful function in a multi display environment. With these functions, you can execute simpler and more precise calibration.Copy calibration function