C-51847NFQJ-LW-AAN (AA) No. 2005-0230 OPTREX CORPORATION Page 14/17
D = ( Long + Short ) / 2 * : Disregard Units : mm
No. Parameter Criteria
2 Black and (1) Round Shape
White Spots, Zone Acceptable Number
Foreign Substances Dimension A B C
D ≤ 0.10 * * *
0.10< D ≤ 0.20 6 6 *
0.20< D ≤ 0.30 2 2 *
Individual dot must secure 1/2 area or more.
(2) Line Shape
Zone Acceptable Number
Length Width A B C
L ≤2.0 W≤0.03 * * *
L ≤2.0 0.03<W≤0.05 4 4 *
* 0.05<W In the same way (1) *
No more than 7pcs as total.
(Refer to “Complex Foreign Substance Defects”)
3 Color Variation Not to be conspicuous defects.
4 Air Bubbles
(between glass Zone Acceptable Number
& polarizer) Dimension A B C
D ≤ 0.15 * * *
0.15< D ≤ 0.30 2 3 *
0.30< D ≤ 0.50 1 2 *
0.50< D ≤ 1.00 0 1 *
No more than 3pcs as total.
(Refer to “Complex Foreign Substance Defects”)
5 Polarizer Scratches Not to be conspicuous defects.
6 Polarizer Dirts If the stains are removed easily from LCDP surface, the module is
not defective.
7 Complex Foreign Black spots, line shaped foreign substances or air bubbles between
Substance Defects glass & polarizer should be 7pcs maximum in total.
8 Distance between 20mm or more
Different Foreign
Substance Defects
