液晶屏来料检测规范.ppt

The Incoming Inspection Specification - IIS (Customer Acceptance Specification-CAS) Item Definition,99.Dec 21,Item,Supplier,Description,Phenomenon,HAPD,Panel IIS Inspection Requirement,Inspection Condition,Remark,HAPD / Sharp,Active area + 1 mm width of black area,LG,LG,A). Temp./Hum.:25+/-5oC D). Backlight: 50khz/7mAB). Lighting: 5001000lux E). Distance: 20 inchC). Pattern: Black, white, R,G,B, Gray #31 F). View angle: within view angle range,Inspection Area,Sharp,Metal frame (Gray area),Active area (white dash area),Picture is not in actual scale,2/7,Active area only,HAPDs requirement,Sharps requirement,LGs requirement,A). Temp./Hum.:2025oC/65+/-5% RH D). Distance: 35 cm B). Lighting: 300700lux(standard 500lux) E). View angle: 90oC). Pattern: Black, white, R,G,B, Gray V24,A). Temp./Hum.:2025oC/65+/-5% D). Distance:35 cmB). Lighting: 300700lux(single 20W fluorescent lamp) E). View angle: within view angle rangeC). Pattern: Black, white, R,G,B,Item,FailureMode,Description,Phenomenon,Black spots,Panel IIS Item,Cosmetic Defect,Remark,Lint,Size : line and condition as belowLG: a 2bHAPD: W 16 levels out of 64- gray level or - Visible through 5% ND (Neutral Density) filter,Black Dot defect:Brightness is lower than adjacent dot,1. Defect area of dot 1/2 dot area 2. Brightness deviation 16 levelsor Visible through 5% ND filter,Panel IIS Item,Dot Defect,Black DotDefect,Bright DotDefect,Remark,1 Pixel = R, G and B 3 strip 1sub-pixel = one color strip = 1 Dot,Black Dot Defect,Bright Dot defect:Brightness is higher than adjacent dot,Bright Dot Defect,Pixel,Dot,Note:1. 1/2 area for 15”/15.1” panel2. 1/4 area for 14.x panel,1/2,4/7,Panel IIS Item,Delta 63,Delta 46,Delta 36,Delta 26,Delta 16,Delta = 0,Red,Green,Blue,- Brightness deviation 16 levels,5/7,Item,FailureMode,Description,Phenomenon,Remark,2 defect dots adjacent,3 defect dots adjacent,Distance,Distance between defect dots,1. Distance between bright defect dots (Fig.1)2. Distance between black defect dots (Fig.2)3. Distance between bright and black defect dots (Fig. 3),Panel IIS Item,Adjacent Dot Defect,3 Adjacent Dot Defect,2 Adjacent Dot Defect,Example: 2 adjacent black defect dots,Example: 3 adjacent black defect dots,a). Same rule for 2 adjacent bright defect dots,Same rule for 3 adjacent bright defect dots,White pattern,Black pattern,Gray pattern,Gray pattern:1. # 31 level out of 64 for HAPD2. # 24 level out of 64 for Sharp3. No spec for LG panel,b). 2 adjacent dot defect count 1 dot defect or not based on agreement,6/7,Example: black defect dots,Fig.1,Fig.2,Fig.3,Item,FailureMode,Description,Phenomenon,Remark,N=4(all are black defect dots)N=3(one is bright defect dot ),Panel IIS Item,Density,Defect dot number within 20 mm circle,- Picture is not based on actual scale,Defect dot number within specific area,ND filter usage,30 cm,5 cm,- ND filter is not useful when back ligh