PART II Operational Inspection Criteria
TEST CONDITIONS
Unless other prescription, the test conditions are as followings:
Nominal voltage: refer to operation manual
Environmental illumination:
Variable from 500 to 800 Lux (For appearance inspection)
Variable from 0 to 7 Lux (For functional inspection)
Temperature: 25±5℃
Visual inspection shall be done with the distance from eyes to the sample
45 cm.
Display mode: refer to operation manual
TEST EQUIPMENTS
Dark room
PC
Pattern Generator: Chroma 2327 or equivalent
Minolta color analyzer CL200 or equivalent device with accredited
traceability
DVD player
Power supply (100~240 VAC) with consumption meter
Measuring tape
TEST PATTERN
PATTERN PATTERN TEST ITEM Acceptance Criteria
Full white
ANSI Brightness
、
Bright Uniformity
、
FOFO Contrast
Ratio
、
(1) ANSI Brightness: Minimum 2000
Lumens
(2) Uniformity: ANSI: 55% (Minimum)
(3) Contrast Ratio : 150:1 (Minimum, by
ANSI Standard Checkerboard Method),
(4) White Point, Color :x =
0.313±0.04
, y
=
0.369±0.04
Full Dark
FOFO Contrast
Ratio
Contrast Ratio : 1800:1(by All White, All
Black Method)
Full Red
Impurity
、
CIE
coordinate
Chromaticity : Red: x =0.646±0.04, y=
0.342±0.04
Full Green
Impurity
、
CIE
coordinate
Chromaticity : Green: x =0.349±0.04,
y=0.589±0.04
Confidential - Do Not Copy
PJD5122
ViewSonic Corporation
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