
Confidential
4-5
EX612/EX615/EW615i/EX612i/EX615i
EX615i
3. Full 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
- Follow Contrast formula to calculate contrast
values.
☼ Contrast Formula
P5/B5
Note: P5=center of white image
B5 = the center of black image.
Criteria
• 1600:1
4. Uniformity
Procedure
- Full white pattern
- Use CL100 to measure brightness values of
P1~P9 (see image: Full white).
- Follow the Uniformity formula to calculate
average values.
☼ Uniformity Formula
JBMA Uniformity = Avg. (P1, P3, P7, P9)/
P5X100%
Criteria • 70%
Full black pattern
Full white pattern
Содержание EW615i
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Страница 93: ...Confidential EX612 EX615 EW615i EX612i EX615i ASSY OPTICAL ENGINE MODULE...
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