L150X2M inspection specifications 1. purpose: this display quality inspection specifications define 15.0? xga tft - lcd module cosmetic inspections. 2. scope: 2.1 specifications contains electrical inspection specification appearance specification outside dimension specification 2.2 this specifications shall be applied to 15.0? xga tft - lcd module. 3. electrical inspection specification inspection item specification 1 line defect can?t be seen. 2 bright dots 6 dots 3 green bright dots 4 dots 4 dark dots 6 dots 5 total dots defect 8 dots two continuous bright dots( vertical, horizontal, oblique) : 2 pairs three or more continuous bright dots (vertical, horizontal, oblique) : not allowed two continuous dark dots ( vertical, horizontal, oblique) : 2 pairs three or more continuous dark dots (vertical, horizontal, oblique) : not allowed 6 continuous defect distance between 2 b dots : 15 mm distance between 2 d dots : 5 mm 7 disp lay scratch refer to 4 . appearance specifications 8 dust, stain, bubble refer to 4 . appearance specifications 9 polarizer scratch refer to 4 . appearance specifications note) 1. for pixel defect, one sub pixel is defined for one pixel. pdf created with fineprint pdffactory trial version http://www.fineprint.com
4. appearance s pecification 4.1 judgment conditions 1) to be a distance about 30cm in front of lcd unit, judge the visual appearance with human?s eyes. 2) take off the protector of polarizer while judging the display area. 3) if there is any question while judging, check the pan el again while operating. 4.2 appearance inspection specification judge criterion judge area judge item inspection specification critical major minor average diameter:d(mm) numbers d<0.15 disregarded 0.15 d <0.30 n 5 dot defect 0.30 d n=0 width:w(mm) length:l(mm) numbers w<0.05 disregarded 0.05 w 0.1 n 5 particles, scratch and bubbles in display area (note 1) line defect 0.1=2w, defect count as line defect. pdf created with fineprint pdffactory trial version http://www.fineprint.com
5. outside dimension specification testing item specification testing order name unit defect min typ max note 1 outside dimension (vertical) mm 248.5 249.0 249.5 2 outside dimension (horizontal) mm 335. 5 336.0 336.5 3 outside dimension (thickness) mm 13.0 13.5 14.0 4 weight g 1130 1200 1270 note: thickness doesn?t include bending reason. pdf created with fineprint pdffactory trial version http://www.fineprint.com
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