DS001AKA Datasheet, PDF (6/13 Pages) Sony Corporation – Single-Panel Liquid Crystal Optical Engine for Rear Projectors

DS001AKA
1. Contrast ratio
Contrast ratio (CR) is given by the following formula.
L(White): Surface illuminance of the screen at the input signal amplitude VAC = 0.5V
L(Black): Surface illuminance of the screen at VAC = 4.5V
Both luminances are measured by System I.
CR = ^{L (White)}
L (Black)
2. Luminous flux
In measurement system I, the average of the luminance at the nine points specified in ANSI standards when
the input signal amplitude VAC is 0.5V, multiplied by the effective display area, is computed.
L = average illuminance at nine ANSI points (lm/m²) × effective display area (m²)
H/3
H/3
H/3
nine ANSI points: centers of each of the
areas obtained by dividing
the effective display area
into nine smaller areas
H
3. Chromaticity
Raster modes of each color are defined by the representations at the input signal amplitude conditions shown
in the table below.
System I uses chromaticity of x and y on the CIE standards here.
Signal amplitude (VAC) supplied to each input
R input
G input
B input
R
0.5
4.5
4.5
G
4.5
0.5
4.5
B
4.5
4.5
0.5
(Unit: V)
4. Color uniformity
In the measurement system I, the maximum values of the CIE color differences at the three points in the
middle row of the nine ANSI points, measured at an input signal amplitude VAC of 0.5V, are used to compute
the color uniformity.
∆Wx = x max – x min
∆Wy = y max – y min
For other electro-optical characteristics, refer to the LCX011AM specifications.
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