DMT018QVNXNT0-1A

SPECIFICATION FOR LCD Module DMT018QVNXNT0-1A MODULE: DMT018QVNXNT0-1A CUSTOMER: REV DESCRIPTION DATE 1.2 FIRST ISSUE 2018.10.10 DENSITRON INITIAL DATE INITIAL DATE PREPARED BY CHECKED BY APPROVED BY CUSTOMER APPROVED BY Part. No DMT018QVNXNT0-1A REV V1.2 Page 1 of 28 Revision History Date Rev. No. Page Summary 2018.10.10 V1.2 ALL FIRST ISSUE Part. No DMT018QVNXNT0-1A REV V1.2 Page 2 of 28 Contents * Description......................................................................................................................... 4 1. Block Diagram ................................................................................................................. 5 2. Outline dimension ........................................................................................................... 6 3. Input terminal Pin Assignment ..................................................................................... 7 4. LCD Optical Characteristics .......................................................................................... 9 4.1 Optical specification ......................................................................................................................... 9 4.2 Measuring Condition ......................................................................................................................... 9 4.3 Measuring Equipment ..................................................................................................................... 10 5. Electrical Characteristics............................................................................................ 11 5.1 Absolute Maximum Rating (Ta=25 VSS=0V) ............................................................................... 11 5.2 DC Electrical Characteristics......................................................................................................... 11 5.3 LED Backlight Characteristics ...................................................................................................... 12 6. AC Characteristic .......................................................................................................... 14 6.1 Display Parallel 8/16-bit Interface Timing Characteristics (8080 system).............................. 14 6.2 Display Serial Interface Timing Characteristics (3-line SPI system) ...................................... 16 6.3Display Serial Interface Timing Characteristics (4-line SPI system) ........................................ 16 6.4 Parallel RGB Interface Timing Characteristics ........................................................................... 17 6.5 Reset Timing Characteristics ........................................................................................................ 18 7. LCD Module Out-Going Quality Level ....................................................................... 21 7.1 VISUAL & FUNCTION INSPECTION STANDARD ........................................................................ 21 7.1.1 Inspection conditions ............................................................................................................................................. 21 7.1.2 Definition ............................................................................................................................................................... 21 7.1.3 Sampling Plan ....................................................................................................................................................... 22 7.1.4 Criteria (Visual) ...................................................................................................................................................... 23 8. Reliability Test Result .................................................................................................. 27 8.1 Condition .......................................................................................................................................... 27 9. Cautions and Handling Precautions .......................................................................... 28 9.1 Handling and Operating the Module ........................................................................................... 28 9.2 Storage and Transportation. .......................................................................................................... 28 Part. No DMT018QVNXNT0-1A REV V1.2 Page 3 of 28 * Description This is a color active matrix TFT (Thin Film Transistor) LCD (liquid crystal display) that uses amorphous silico n TFT as a switching device. This model is composed of a Transmissive type TFT-LCD Panel, driver circuit, back-light unit. The resolution of a 1.77’TFT-LCD contains 128x168 pixels, and can display up to 65K/262K colors. * Features -Low Input Voltage: 3.3V(TYP);IOVCC:2.8-3.3V -Display Colors of TFT LCD: 65K colors -Interface: 8/9/16/18Bit MCU; 3/4SPI+16/18Bit RGB 3-line/4-line Serial Interface General Information Items Specification Display area(AA) Unit Note 26.64(H)*35.52(V) (1.77inch) mm - Driver element TFT active matrix - - Display colors 65/262K colors - Number of pixels 240(RGB)*320 dots - Pixel arrangement RGB vertical stripe - - Pixel pitch 0.111(H)*0.111(V) mm - Viewing angle Free o'clock - ST7789V - - Transmissive/Normally black - - Controller Main Panel IC Display mode ～+70 -30～+80 ℃ ℃ -20 Operating temperature Storage temperature - * Mechanical Information Item Module size Min. Typ. Unit Note Horizontal(H) 34.7 mm - Vertical(V) 46.7 mm - Depth(D) 2.50 mm - g - Weight Part. No Max. DMT018QVNXNT0-1A TBD REV V1.2 TBD Page 4 of 28 1. Block Diagram Part. No DMT018QVNXNT0-1A REV V1.2 Page 5 of 28 2. Outline dimension Part. No DMT018QVNXNT0-1A REV V1.2 Page 6 of 28 3. Input terminal Pin Assignment NO. SYMBOL DISCRIPTION I/O 1 GND Ground. P 2 VCI/VCC Supply voltage(3.3V). P 3 IOVCC Supply voltage(1.65-3.3V). P 4 IM2 Interface selecting signal. I 5 IM1 Interface selecting signal. I 6 IM0 Interface selecting signal. I 7 RESET This signal will reset the device and must be applied to prope rly initialize the chip. I 8 CS Chip select input pin (“Low” enable). fix this pin at VCI or GND when not in use. I 9 DC(SPI-SCL) -Display data/command selection pin in parallel interface. -This pin is used to be serial interface clock. DC=’1’: display data or parameter. DC=’0’: command data. I -If not used, please fix this pin at VDDI or DGND. 10 WR(SPI-RS) -Write enable in MCU parallel interface. - Display data/command selection pin in 4-line serial interface. - Second Data lane in 2 data lane serial interface. -If not used, please fix this pin at VDDI or DGND. I Serves as a read signal and MCU read data at the rising edg 11 RD e. fix this pin at VCI or GND when not in use. 12 VSYNC Frame synchronous signal. Low active. Connect to I GND when DPI is not selected. I 13 HSYNC Line synchronous signal. Low active. Connect to GND when DPI is not selected. I 14 ENABLE 15 DOTCLK Part. No Data enable signal in DPI operation. Low: Select (Accessible) High: Not select (Inaccessible) Connect to GND when DPI is not selected. Pixel clock signal. The data input timing is set on the rising edge. Connect to GND when DPI is not selected. DMT018QVNXNT0-1A REV V1.2 Page 7 of 28 I I I 16 17~34 SDA Serial data input/output pin in DBI Type C operation. I DB0~DB17 Data bus. Connect to GND when is not used. P This pin is enabled when SDOE=1 and DBI Type C is used. With this setting, SDA can be used as an input pin and SDO pin can be 35 SDO 36 LEDA Anode pin of backlight. P 37 LEDK1 Cathode pin of backlight. P 38 LEDK2 Cathode pin of backlight. P 39 LEDK3 Cathode pin of backlight. P 40 NC NC 41 XR(NC) Touch panel Right Glass Terminal A/D 42 YU(NC) Touch panel Top Film Terminal A/D 43 XL(NC) Touch panel Left Glass Terminal A/D 44 YD(NC) Touch panel Bottom Film Terminal A/D 45 GND Ground. P Part. No O used as an output pin without bidirectional bus to exe cute serial communication. If not used please open. DMT018QVNXNT0-1A REV V1.2 Page 8 of 28 4. LCD Optical Characteristics 4.1 Optical specification Item Symbol Condition Min. Typ. Contrast Ratio CR Θ=0 500 600 Max. Response Rising TR Normal viewing -- 20 45 time Falling TF angle -- 35 50 S(%) -- 49.3 -- WX 0.280 0.320 0.360 WY 0.324 0.364 0.404 RX 0.579 0.599 0.619 RY 0.342 0.362 0.382 GX 0.324 0.344 0.364 GY 0.579 0.599 0.619 BX 0.140 0.160 0.180 BY 0.0.98 0.118 0.138 ΘL 60 85 -- 60 85 -- ΘU 60 85 -- ΘD 60 85 -- Color gamut msec White Red Color Filter Chromacicity Green Blue Hor. ΘR Viewing angle CR>10 Ver. Option View Direction Free 4.2 Measuring Condition ■ Measuring surrounding：dark room ■ Ambient temperature：25±2℃ ■ 15min. warm-up time. Part. No DMT018QVNXNT0-1A REV Unit. V1.2 Page 9 of 28 % Note 4.3 Measuring Equipment Part. No DMT018QVNXNT0-1A REV V1.2 Page 10 of 28 5. Electrical Characteristics 5.1 Absolute Maximum Rating (Ta=25 VSS=0V) NOTE: Characteristics Symbol Min. Max. Unit Digital Supply Voltage VCC -0.3 4.6 V Operating temperature TOP -20 +70 ℃ Storage temperature TST -30 +80 ℃ If the absolute maximum rating of even is one of the above parameters is exceeded even momentarily, the quality of the product may be degraded. Absolute maximum ratings, therefore, specify the values exceeding which the product may be physically damaged. Be sure to use the product within the range of the absolute maximum ratings. 5.2 DC Electrical Characteristics Characteristics Symbol Min. Typ. Max. Unit Digital Supply Voltage VCC 2.4 2.8 3.3 V Analogue Supply Voltage IOVCC 1.65 2.8 3.3 V IDD -- 6.5 -- mA VIH 0.7IOVCC IOVCC V VIL GND 0.3IOVCC V VOH 0.8IOVCC IOVCC V VOL GND 0.2IOVCC V Normal mode Current consumption Level input voltage Level output voltage Part. No DMT018QVNXNT0-1A REV V1.2 Page 11 of 28 Note 5.3 LED Backlight Characteristics The back-light system is edge-lighting type with 3 chips White LED Item Symbol Min. Typ. Max. Unit Forward Current IF 45 60 -- mA Forward Voltage VF -- 3.2 -- V LCM Luminance LV 350 400 -- cd/m2 Note3 LED life time Hr 50000 -- -- Hour Note1,2 AVg 80 -- -- ﹪ Note3 Uniformity Note Note (1) LED life time (Hr) can be defined as the time in which it continues to operate under the condition: Ta=25±3 ℃, typical IL value indicated in the above table until the brightness becomes less than 50%. Note (2) The “LED life time” is defined as the module brightness decrease to 50% original brightness at Ta=25℃ and IL=60mA. The LED lifetime could be decreased if operating IL is larger than 60mA. The constant current driving method is suggested. Part. No DMT018QVNXNT0-1A REV V1.2 Page 12 of 28 NOTE 3：Luminance Uniformity of these 9 points is defined as below: Luminance= Part. No Total Luminance of 9 points 9 DMT018QVNXNT0-1A REV V1.2 Page 13 of 28 6. AC Characteristic 6.1 Display Parallel 8/16-bit Interface Timing Characteristics (8080 system) Part. No DMT018QVNXNT0-1A REV V1.2 Page 14 of 28 Part. No DMT018QVNXNT0-1A REV V1.2 Page 15 of 28 6.2 Display Serial Interface Timing Characteristics (3-line SPI system) 6.3Display Serial Interface Timing Characteristics (4-line SPI system) Part. No DMT018QVNXNT0-1A REV V1.2 Page 16 of 28 6.4 Parallel RGB Interface Timing Characteristics Part. No DMT018QVNXNT0-1A REV V1.2 Page 17 of 28 6.5 Reset Timing Characteristics Part. No DMT018QVNXNT0-1A REV V1.2 Page 18 of 28 Part. No DMT018QVNXNT0-1A REV V1.2 Page 19 of 28 Part. No DMT018QVNXNT0-1A REV V1.2 Page 20 of 28 7. LCD Module Out-Going Quality Level 7.1 VISUAL & FUNCTION INSPECTION STANDARD 7.1.1 Inspection conditions Inspection performed under the following conditions is recommended. Temperature : 25±5℃ Humidity : 65%±10%RH Viewing Angle : Normal viewing Angle. Illumination: Single fluorescent lamp (300 to 700Lux) Viewing distance:30-50cm Upper Polarizer Upper Bottom glass Light Source Bottom Polarizer 7.1.2 Definition Zone A Zone B Zone C Zone A : Effective Viewing Area(Character or Digit can be seen) Zone B : Viewing Area except Zone A Zone C : Outside (Zone A+Zone B) which can not be seen after assembly by customer .) Note: As a general rule ,visual defects in Zone C can be ignored when it doesn’t effect product function or appearance after assembly by customer. Part. No DMT018QVNXNT0-1A REV V1.2 Page 21 of 28 7.1.3 Sampling Plan According to GB/T 2828-2003 ; , normal inspection, Class Ⅱ AQL: Major defect Minor defect 0.65 1.5 LCD: Liquid Crystal Display , TP: Touch Panel , LCM: Liquid Crystal Module No Items to be Criteria Classification of inspected defects 1) No display, Open or miss line 1 Functional defects 2) Display abnormally, Short 3) Backlight no lighting, abnormal lighting. 4) TP no function 2 Missing 3 Outline dimension 4 Color tone Color unevenness, refer to limited sample Soldering Good soldering , Peeling off is not allowed. 5 6 Part. No Major Missing component Overall outline dimension beyond the drawing is not allowed appearance LCD/Polarizer/TP Minor Black/White spot/line, scratch, crack, etc. DMT018QVNXNT0-1A REV V1.2 Page 22 of 28 7.1.4 Criteria (Visual) Number 1.0 Items Criteria(mm) LCD Crack/Broken (1) The edge of LCD broken NOTE: X Y Z ≤3.0mm