AS ISO 12646:2013 pdf free
AS ISO 12646:2013 pdf free.Graphic technology – Displays for colour proofing – Characteristics and viewing conditions
The display should be visually uniform when displaying flat white, grey and black images. When measured as described in 5.3, all luminance values should be within 5 % of the luminance of the centre and shall be within 10 % of it. There should also be no areas of significant visual non-uniformity between the points marked in Figure 2.
For the entire display, measured at least at the positions stated in 5.3, the chromaticity of every neutral image (defined by equal digital values for R, G, and B) shall be within a radius of 0,01 (in u1,v1 as defined in ISO 13655) from the chromaticity values measured at the centre of the display.
NOTE1 The uniformity of chromaticity is specified in 4.8.
Geometric accuracy (CRTs only)
When displaying the grid pattern specified in 5.4, the display should essentially be free of distortion. The length of adjacent lines of the grid pattern shall be within 2 mm of each other and no line length shall deviate by more than 2,5 mm from the mean length.
Convergence (CRTs only)
When displaying the grid pattern specified in 5.4, all lines shall appear wholly free of colour fringing within the central region (defined as the area within half the linear diagonal distance). A small amount of fringing may be accepted outside of this area but is not recommended.
Ambient ilumination, surroundings and environment
The luminance of the black level (R=G=B= 0) in the ON-state, measured with a spectroradiometer or a colorimeter in a dark room, as specified in 5.6, shall not be greater than 200 % of the black level reading in the OFF-state.
The reflective properties of the display surface in the OFF-state shall be judged visually in a darkroom using a point source. The reflection of the point source off the screen should appear hazy and should smoothly decrease as one turns away from the direction of specular reflection.AS ISO 12646 pdf download.
