Boland BVB25 Calibration Overview
The BVB25 is a 25-inch RGB OLED monitor from Boland, designed for professional broadcast and post-production applications, it features Full HD (1920 x 1080) resolution. The BVB25 is suitable for high-definition video monitoring and color-critical tasks in professional environments.
The Boland BVB25 is a popular choice in the professional display market, used by colorists, directors, and DITs working with SDR content.
Below is an overview of the display's performance before and after professional Boland BVB25 calibration.
A 3D LUT calibration was done targeting a Judd alternative white point (AWP), as these RGB OLED panels trigger metamerism in observers. The resulting cLUT was then loaded into the BMD Micro Converter LUT box, the BVB25 does not have internal LUT storage.
Equipment, software and target used in the calibration:
- Calibration software: DCM
- Colorimeter: K-10-A
- Spectro: CR-300
- Patch generator: DaVinci Resolve, SDI out
- Calibration target: Rec 709 AWP G2.4 110 nits (SDR)
- LUT holder: BMD Micro Converter 33^3
Native Gamut
This is the native gamut (before calibration) of the Boland BVB25 compared to the Rec 709 color space calibration target. The display's native gamut fully covers the target color space, making it ideal for precise display calibration.
White Point
This is a close-up of the native white point (before calibration) compared to the AWP calibration target. It shows slight deviation from target and a yellow tint. The display has bias/gain CMS controls to manually adjust lower/upper Greyscale, if desired.
RGB Balance
This is the Greyscale RGB balance before calibration, it has a strong yellow tint.
EOTF: Gamma
This is the native gamma and luminance response of the Boland BVB25. The reference line is configured for the calibration target of G2.4. In its default native state, the display's brightness is higher than the calibration target.
Spectrum Analysis
This is the spectrum of the Boland BVB25 in native gamut for full white, with the red, green and blue primaries spectral output overlaid to identify color channel issues. The R, G, B color channels match the white response closely, this is ideal.
Calibration
After display preparation and configuration, a large display profile is run to create a detailed characterization of the display. From that profile data, a 3D LUT is then generated by DCT and loaded into the BMD Micro Converter LUT box.
Gamut & White Point (post)
Gamut (post calibration) compared to the Rec 709 D65 target - both color space and white point are on target.
RGB Balance (post)
This is the Greyscale RGB balance post-calibration, excellent result.
EOTF: Gamma (post)
This is the gamma and luminance response of the Boland BVB25 after calibration compared to the reference calibration target G2.4. A significant improvement, the display now tracks the reference much more closely than before.
Color Error: delta E 2000 (post)
These are the dE 2000 stats post calibration for a 1,100 point stress test validation profile. With an average dE 2000 color error of only 0.36, the Boland BVB25 now performs exceptionally well given that the JND (just noticeable difference) for human vision is set at a dE 2000 value of 2.3.
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