Display Elektronik GmbH TFT MODULE DEM 240320J1 TMH-PW-N 2,4“ TFT Product Specification Ver.: 4 19.05.
DEM 240320J1 TMH-PW-N Production Specification Revision History Revision Date Originator 0 15.10.2016 ZFY 1 24.10.2016 ZFY 2 14.12.2016 ZFY 3 10.07.2017 ZFY 1.4 2018.05.
DEM 240320J1 TMH-PW-N Production Specification Table of Contents No. Item Page 1. General Description ............................................................................................................................. 4 2. Module Parameter ............................................................................................................................... 4 3. Absolute Maximum Ratings...............................................................................................
DEM 240320J1 TMH-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) LCD Type 2.
DEM 240320J1 TMH-PW-N 4. Production Specification DC Characteristics Item Symbol Min. Typ. Max. Unit VCC 2.4 2.8 3.3 V VCI 1.65 1.8 3.3 V Logic Low Input Voltage Logic High Input Voltage VIL VIH VSS 0.7*VCI - 0.3*VCI VCI V V Logic Low Output Voltage Logic High Output Voltage VOL VOH VSS 0.8*VCI - 0.2*VCI VCI V V ICC+ IIN - (8) - mA Supply Voltage Current Consumption All Black 5. Logic Analog Backlight Characteristic 5.1.
DEM 240320J1 TMH-PW-N 6. Production Specification Optical Characteristics 6.1. Optical Characteristics Ta=25ºC, VCC=2.8V, TN LC+ Polarizer Item Specification Min. Typ. Max. Unit 250 320 - cd/m² - 250 - TR+TF - 30 - XR 0.547 0.597 0.647 YR 0.288 0.338 0.388 XG 0.267 0.317 0.367 YG 0.585 0.635 0.685 XB 0.096 0.146 0.196 YB 0.031 0.081 0.131 XW 0.250 0.300 0.350 YW 0.292 0.342 0.
DEM 240320J1 TMH-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 240320J1 TMH-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 240320J1 TMH-PW-N 7.
DEM 240320J1 TMH-PW-N 8. Production Specification Interface Pins Definition No.
DEM 240320J1 TMH-PW-N 34 /RESET Reset signal 35 VCI Power supply 36 VCC Power supply 37 IM1 MCU interface mode select 38 DB15 Data bus 39 DB16 Data bus 40 DB17 Data bus Production Specification NOTE1 NOTE1: IM3 1 1 1 1 Version: 4 IM2 0 0 1 1 IM1 0 0 0 1 IM0 0 1 1 0 MCU-Interface Mode 80 MCU 16-bit bus interface II 80 MCU 8-bit bus interface II 3-wire 9-bit data serial interface II 4-wire 8-bit data serial interface II DB Pin in use D[17:10], D[8:1] D[17:10] SDI: In/SDO:OUT SDI:
DEM 240320J1 TMH-PW-N Production Specification 9. AC Characteristics 9.1.
DEM 240320J1 TMH-PW-N Production Specification 9.2. Serial Interface Characteristics 9.2.
DEM 240320J1 TMH-PW-N 9.2.
DEM 240320J1 TMH-PW-N Production Specification 9.3.
DEM 240320J1 TMH-PW-N Production Specification 10. Quality Assurance 10.1. Purpose This standard for Quality Assurance assures the quality of LCD module products supplied to customer. 10.2. Standard for Quality Test 10.2.1. Sampling Plan: GB2828.1-2012 Single sampling, general inspection level II 10.2.2. Sampling Criteria: Visual inspection: AQL 1.5% Electrical functional: AQL 0.65%. 10.2.3. Reliability Test: Detailed requirement refer to Reliability Test Specification. 10.3.
DEM 240320J1 TMH-PW-N Production Specification 10.5. Standard of the Product Visual Inspection 10.5.1. Appearance inspection: 10.5.1.1. The inspection must be under illumination about 1000 – 1500 lx, and the distance of view must be at 30cm ± 2cm. 10.5.1.2. The viewing angle should be 45° from the vertical line without reflection light or follows customer's viewing angle specifications. 10.5.1.3. Definition of area: A Zone: Active Area, B Zone: Viewing Area, Eye Eye 45° 45° A zone B zone 10.5.2.
DEM 240320J1 TMH-PW-N Production Specification W Black and White line Scratch 03 L L Foreign material (Line type) (Minor defect) Length Width Acc. Qty / W ≦ 0.03 Ignore L ≦ 5 0.03 ＜ W ≦ 0.1 1 / 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. Glass Crack 04 (Minor defect) Crack is potential to enlarge, any type is not allowed.
DEM 240320J1 TMH-PW-N Production Specification Glass Chipping Except Pad Area: (Minor defect) Length and Width Acc. Qty c > 3.0, b< 1.0 1 c< 3.0, b< 1.0 2 c< 3.0, b< 0.5 4 07 a
DEM 240320J1 TMH-PW-N 11 12 Production Specification Diameter Acc. Qty φ≤0.20 Ignore 0.20 <φ≤0.30 4 0.30 <φ≤0.50 1 0.50 < φ None Diameter Acc. Qty φ≤0.20 Ignore 0.20 <φ≤0.30 4 0.30 <φ≤0.50 1 0.50 < φ None Bubble on Polarizer (Minor defect) Dent on Polarizer (Minor defect) 13 Bezel 13.1 No rust, distortion on the Bezel. 13.2 No visible fingerprints, stains or other contamination. D: Diameter W: width L: length 14.1 Spot: D<0.25 is acceptable 0.25≤D≤0.
DEM 240320J1 TMH-PW-N Production Specification 10.7. Classification of Defects 10.7.1. Visual defects (Except no / wrong label) are treated as minor defect and electrical defect is major. 10.7.2. Two minor defects are equal to one major in lot sampling inspection. 10.8. Identification/marking criteria Any unit with illegible / wrong /double or no marking/ label shall be rejected. 10.9. Packaging 10.9.1.
DEM 240320J1 TMH-PW-N Production Specification 11. Reliability Specification No Item Condition Quantity 1 High Temperature Operating 70°C, 96Hrs 2 2 Low Temperature Operating -20°C, 96Hrs 2 3 High Humidity 50°C, 90%RH, 96Hrs 2 4 High Temperature Storage 80°C, 96Hrs 2 5 Low Temperature Storage -30°C, 96Hrs 2 6 Thermal Cycling Test 7 Packing vibration 8 Electrical Static Discharge 9 Drop Test (Packaged) -20°C, 60min~70°C, 60min, 20 cycles.
DEM 240320J1 TMH-PW-N Production Specification 12. Precautions and Warranty 12.1. Safety 12.1.1. 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. 12.1.2. Since the liquid crystal cells are made of glass, do not apply strong impact on them. Handle with care. 12.2. Handling 12.2.1. Reverse and use within ratings in order to keep performance and prevent damage. 12.2.2.
DEM 240320J1 TMH-PW-N Production Specification 12.4.2.6. Solder Wetting Recommended Not Recommended 12.4.2.7. The type of the solder iron: Recommended Not Recommended 12.4.2.8. Solder Pad 12.5. Operation 12.5.1. Do not drive LCD with DC voltage 12.5.2. Response time will increase below lower temperature 12.5.3. Display may change color with different temperature 12.5.4.
*60.26±0.2(BL) 5.36±0.5 13.16±0.5 R0.3 YU XLYD XR 1 W=0.3 UL E253425 Single Area 1 35.1±0.2 20.5±0.1 P0.5*39=19.5±0.1 96 2.4TFT 240*(RGB)*320 40 K A1 A2 A3 A4 NOTES: 1.Display size:2.4"TFT 2.Viewing direction:6 O'CLOCK 3.Gary Scale inversion direction:12 O'CLOCK 3.Display mode:Transmissive/Normal white 4.Operation temperature:-20°C~+70°C 5.Storage temperature:-30°C~+80°C 6.Driver IC:ST7789V 7.Power supply voltage:2.8V 8.Backlight :White(4 LED)/2.8V~3.1(TYP)~3.3V/60mA 9.
