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HD65/GT-7000/HD700X
Confidential
4-
4-8 Optical Performance Measure
Inspection Condition
- Environment luminance: 5 Lux
- Product must be warmed up for 3 minutes
- Distances from the screen: 2.1 M
- Screen Size: 60 inches diagonal
- Reset to default before measurement
1. Test equipment
Procedure
- Test equipment: video generator.
- Test signal: analog 1280 x 720@60Hz
2. Brightness
Procedure
- Full white pattern
- Use CL100 to measure brightness values of
P1~P9.
- Follow the brightness formula to calculate
brightness values.
☼ Brightness Formula
Avg.(P1~ P9)x1.1m
2
Criteria
- 605 lumens
3. Ful On/Full Off Contrast
Procedure
- Full white pattern & full black pattern
- Use CL100 to measure brightness values of full
white pattern P5 & full black pattern B5 ( see im
-
age: full white)
- Follow Contrast formula to calculate contrast
values.
☼ Contrast Formula
P5/B5
Full white pattern
Full black pattern