Display Elektronik GmbH TFT MODULE DEM 480128A VMH-PW-N 3,9“ TFT Product Specification Ver.: 3 30.12.
DEM 480128A VMH-PW-N Production Specification Revision History Revision Date 0 05.12.2013 1 10.03.2014 Detail Initial Release Remarks - Add weight P4 Add Current P5 Modify Chromaticity Transmissive P6 Modify Inspection Specification P15 Modify Reliability Specification P21 Change LCD panel supplier 2 3 Version: 3 26.07.2014 30.12.
DEM 480128A VMH-PW-N Production Specification Table of Contents No. Item Page 1. General Description ............................................................................................................................ 4 2. Module Parameter .............................................................................................................................. 4 3. Absolute Maximum Ratings .................................................................................................
DEM 480128A VMH-PW-N 1. Production Specification General Description The specification is a transmissive type color active matrix liquid crystal display (LCD) which uses amorphous thin film transistor (TFT) as switching devices. This product is composed of a TFT-LCD panel, driver ICs and a backlight unit. 2. Module Parameter Features Details Unit Display Size(Diagonal) 3.
DEM 480128A VMH-PW-N 4. Production Specification DC Characteristics Item Digital Interface Supply Voltage Symbol Min. Typ. Max. Unit VCC 3.0 3.3 3.6 V Logic Low input voltage VIL GND - 0.3*VCC V Logic High input voltage VIH 0.7*VCC - VCC V Logic Low output voltage VOL GND - GND+0.4 V VOH VCC-0.4 - VCC V ICC+ IIN - 10 40 mA Logic High output voltage Current Consumption All Black 5. Logic Analog Backlight Characteristic 5.1.
DEM 480128A VMH-PW-N 6. Production Specification Optical Characteristics 6.1. Optical Characteristics Ta=25ºC, VCC=3.3V, TN LC+ Polarizer Item Specification Min. Typ. Max. Unit 320 600 - cd/m² 300 500 - TR+TF - 30 45 XR 0.543 0.593 0.643 YR 0.293 0.343 0.393 XG 0.285 0.335 0.385 YG 0.564 0.614 0.664 XB 0.103 0.153 0.203 YB 0.084 0.134 0.184 XW 0.255 0.305 0.355 YW 0.302 0.352 0.
DEM 480128A VMH-PW-N 6.2.2. Production Specification Normally White Type (Positive) Relative Non-selected state Brightness Non-selected state Selected state 100% 90% 10% 0% Tf Tr Tr is the time it takes to change form non-selected stage with relative luminance 90% to selected state with relative luminance 10%; Tf is the time it takes to change from selected state with relative luminance 10% to non-selected state with relative luminance 90%; Note : Measuring machine: LCD-5100 or EQUI 6.3.
DEM 480128A VMH-PW-N Production Specification 6.5. Definition of Color Appearance R,G,B and W are defined by (x, y) on the IE chromaticity diagram NTSC=area of RGB triangle/area of NTSC triangleX100% Measuring picture: Red, Green, Blue and White (Measuring machine: BM-7) 6.6. Definition of Surface Luminance, Uniformity and Transmittance Using the transmissive mode measurement approach, measure the white screen luminance of the display panel and backlight. 6.6.1.
DEM 480128A VMH-PW-N 7. Production Specification Block Diagram and Power Supply LCD Panel VCOM Source + Gate Driver R[7:0] G[7:0] B[7:0] Data bus & TCON CLK、DISP、HSYNC、 VSYNC、DEN Control Signal input 3.
DEM 480128A VMH-PW-N 8. Production Specification Interface Pins Definition No.
DEM 480128A VMH-PW-N 9. Production Specification AC Characteristics 10. AC Timing Diagram 10.1.
DEM 480128A VMH-PW-N Production Specification 11. INPUT DATA FORMAT 11.1 Parallel RGB Data Format 11.1.1 Parallel RGB Input Timing Table Item System Min. Typ. Max. Unit Fclk - 10.
DEM 480128A VMH-PW-N Production Specification 12. Quality Assurance 12.1 Purpose This standard for Quality Assurance assures the quality of LCD module products supplied to customer. 12.2 Standard for Quality Test 12.2.1 Sampling Plan: GB2828.1-2012 Single sampling, general inspection level II 12.2.2 Sampling Criteria: Visual inspection: AQL 1.5% Electrical functional: AQL 0.65%. 12.2.3 Reliability Test: Detailed requirement refer to Reliability Test Specification. 12.
DEM 480128A VMH-PW-N Production Specification 12.5 Standard of the Product Visual Inspection 12.5.1 Appearance inspection: 12.5.1.1 The inspection must be under illumination about 1000 – 1500 lx, and the distance of view must be at 30cm ± 2cm. 12.5.1.2 The viewing angle should be 45° from the vertical line without reflection light or follows customer's viewing angle specifications. 12.5.1.3 Definition of area: A Zone: Active Area, B Zone: Viewing Area, Eye Eye 45° 45° A zone B zone 12.5.
DEM 480128A VMH-PW-N 02 Production Specification Display Area Total Bright dot 0 0 Dark dot N≤2 N≤2 Electrical Defect Total dot N≤2 N≤2 (Minor defect) Mura Not visible through 5% ND filter. Note1 Note 2 Remark: 1. Bright dot caused by scratch and foreign object accords to item 1. Line Criteria: L≦1mm, W≦0.1mm, Dot Criteria: Please refer to Note 1,2&3 Note1: Definition of Area Note 2: 03 Inactive Area (Minor defect) Size Inactive dot All Φ＜0.2mm ＜6” 0.2≤Φ≤0.3mm L≤1mm,W≤0.
DEM 480128A VMH-PW-N Production Specification W L L Black and White line Scratch 04 Foreign material (Line type) (Minor defect) Length Width Acc. Qty / W ≦ 0.03 Ignore L ≦ 2.5 0.03 ＜ W ≦ 0.05 3 L ≦ 2.5 0.05 ＜ W ≦ 0.10 2 / 0.1 ＜ W 0 Total 3 Distance between 2 defects should more than 3mm apart. Scratches not viewable through the back of the display are acceptable. 05 Glass Crack (Minor defect) Crack is potential to enlarge, any type is not allowed.
DEM 480128A VMH-PW-N Glass Production Specification Chipping Pad Area: (Minor defect) 06 Length and Width Acc. Qty c > 3.0, b< 1.0 1 c< 3.0, b< 1.0 3 a 3.0, b< 1.0 1 c< 3.0, b< 1.0 2 c< 3.0, b< 0.5 4 a 3.0, b< 1.0 1 c< 3.0, b< 1.0 2 c< 3.0, b< 0.
DEM 480128A VMH-PW-N Production Specification Glass Burr: (Minor defect) Length Acc. Qty F < 1.0 Ignore 10 Glass burr don’t affect assemble and module dimension. FPC Defect: (Minor defect) 11.1 Dent, pinhole width a
DEM 480128A VMH-PW-N Production Specification D: Diameter W: width L: length 15.1 Spot: D<0.25 is acceptable 0.25≤D≤0.4 2dots are acceptable and the distance between defects should more than 10 mm. 15 Touch Panel D>0.4 is unacceptable 15.2 Dent: D>0.40 is unacceptable 15.3 Scratch: W ≤0.03, L≤10 is acceptable, 0.030.10 is unacceptable. 16.1 No distortion or contamination on PCB terminals. 16 PCB 16.
DEM 480128A VMH-PW-N Production Specification 12.9.3 All direct package materials shall offer ESD protection Note1: Bright dot is defined as the defective area of the dot is larger than 50% of one sub-pixelarea. Bright dot: The bright dot size defect at black display pattern. It can be recognized by 2% transparency of filter when the distance between eyes and panel is 350mm±50mm. Dark dot: Cyan, Magenta or Yellow dot size defect at white display pattern.
DEM 480128A VMH-PW-N Production Specification 14. Precautions and Warranty 14.1 Safety 14.1.1 The liquid crystal in the LCD is poisonous. Do not put it in your mouth. If the liquid crystal touches your skin or clothes, wash it off immediately using soap and water. 14.1.2 Since the liquid crystal cells are made of glass, do not apply strong impact on them. Handle with care. 14.2 Handling 14.2.1 Reverse and use within ratings in order to keep performance and prevent damage. 14.2.
DEM 480128A VMH-PW-N Production Specification 14.4.2.6 Solder Wetting Recommended Not Recommended 14.4.2.7 The type of the solder iron: Recommended Not Recommended 14.4.2.8 Solder Pad 14.5 Operation 14.5.1 Do not drive LCD with DC voltage 14.5.2 Response time will increase below lower temperature 14.5.3 Display may change color with different temperature 14.5.4 Mechanical disturbance during operation, such as pressing on the display area, may cause the segments to appear “fractured”. 14.
A 1 18.55±0.5 20.50±0.1 40.64±0.2 46.15±0.5 component area single area 40 46.70±0.3 UL E-number A K 22.46±0.2 (6.18) 25.344(LCD A.A) 4.98±0.2 27.74±0.2/BEZEL OPENING INSULATION TAPE 4.03±0.2 (5.23) Contact side Version: 3 0.30±0.05 2.95±0.2 DEM 480128A VMH-PW-N / E WYW W=0.35±0.05 P0.5*39=19.50±0.10 5.00±0.5 105.50±0.2 97.44±0.2/BEZEL OPENING 95.04(LCD A.A) DEM 480128A VMH-PW-N Production Specification 15. Outline Drawing TEAR TAPE PAGE: 23 23.69±0.5 3.50±0.
