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SPECIFICATION
Liquid Crystal Display LC104S1-A1
10. IIS (Incoming Inspection Standard)
10.1. Inspection Method
10.1.1. Ambient conditions
a. Temperature : 20 ~ 25
°
C
b. Humidity : 65
±
5 % RH
c. Illumination : Single 20W fluorescent lamp non-directive
(300 to 700 Lux)
10.1.2. Viewing distance
The distance between the LCM and the inspector’s eyes shall be at least 35Cm.
10.1.3. Viewing Angle
The inspection shall be conducted within normal viewing angle range.
Refer to 14 pages for viewing angle.
10.1.4. Measurement mode
Inspection method is based on transmissive mode only.
10.2 Inspection Criteria
10.2. Dot Defect
10.2.1. Bright Dot
Dots(sub-pixels) which appeared brightly in the screen when the LCM
displayed with dark pattern.
- R,G or B 1 dot ------------------------------------ 10 Max
- Adjacent 2 dots ------------------------------------
- Total amount of Bright dots ---------------------- 10 Max
- Minimum Distance between bright dots ------ 20 mm, Max 2
2 Max (Horizontal only)
10.2.2. Dark Dot
Dots(sub-pixels) which appeared darkly in the screen when the LCM
displayed with bright pattern.
- 1 dot -------------------------------------------------- 10 Max
- Adjacent 2 dots -------------------------------------
- Total amount of Dark dot ------------------------- 10 Max
- Minimum Distance between dark dots -------- 20 mm, Max 2
2 Max (Horizontal only)
10.2.3. Total amount of Dot Defects ----------------------- 15 Max(Combination)
Note) a. Every dot herein means Sub-Pixel (Each Red,Green, or Blue Color)
b. Bright & Dark dots are larger than half sub-pixel.
(Dots smaller than half sub-pixel are not counted as a defect dots.)
Alpha Point Ltd.
Vernissakatu 8A
01300 Vantaa, Finland
http://www.alpha.fi
Tel.: +
358-9-34 64 34 1
Fax: +
358-9-34 64 34 2