1. 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 Icsand a backlight unit.
2. Module Parameter
Features | Details | Unit |
Display Size(Diagonal) | 4.0” | |
LCD type | IPS TFT | |
Display Mode | Transmissive/Normally black | |
Resolution | 640RGBx480 | Pixels |
View Direction | FULL VIEW | Best Image |
Module Outline | 89.3(H) x73.06(V) x 2.9 (T) (Note1 ) | mm |
Active Area | 82.56 (H) x 61.92 (V) | mm |
Pixel Size | 129 (H) x129 (V) | um |
Pixel Arrangement | Stripe | |
Polarizer SurfaceTreatment | Glare | |
Display Colors | 16.7M | |
Interface | MIPI | |
With or without touch panel | Without | |
Driver IC | OTM1288A | - |
Operating Temperature | -20～70 | ºC |
Storage Temperature | -30～80 | ºC |
Weight | TBD | g |
Note 1: Exclusive hooks, posts, FFC/FPC tail etc.
3. Absolute Maximum Ratings
VSS=0V, Ta=25ºC
Item | Symbol | Min. | Max. | Unit |
Supply Voltage | VDD | -0.3 | 4.5 | V |
Storage temperature | TSTG | -30 | +80 | ºC |
Operating temperature | TOP | -20 | +70 | ºC |
Note 1: If Ta below 50ºC, the maximal humidity is 90%RH, if Ta over 50ºC, absolute humidity should be less than 60%RH.
Note 2: The response time will be extremely slow when the operating temperature is around -10℃, and the back ground will become darker at high temperature operating.
4. DC Characteristics
Item | Symbol | Min. | Typ. | Max. | Unit | |
Supply Voltage | VDD | 2.5 | 3.3 | 3.6 | V | |
Logic 0input voltage | VIL | 0 | - | 550 | mV | |
Logic 1input voltage | VIH | 880 | - | LVDSVDD | mV | |
Logic 0output voltage | VOL | -50 | - | 50 | mV | |
Logic 1 output voltage | VOH | 1.1 | 1.2 | 1.3 | V | |
Current Consumption All Black | Logic | ICC+IIN | - | TBD | - | mA |
Analog | ||||||
5. Backlight Characteristic
5.1. Backlight Characteristic
Item | Symbol | Condition | Min. | Typ. | Max. | Unit |
Forward Voltage | VF | Ta=25ºC,IF=20mA/LED | 14 | 16 | 17 | V |
Forward Current | IF | Ta=25ºC, VF=3.2V/LED | - | 20*2 | - | mA |
Power dissipation | PD | - | - | mW | ||
Uniformity | Avg | - | 80 | - | % | |
Drive method | Constant current | |||||
LEDConfiguration | 10 White LEDs (5 LEDs in one string and 2 groups in parallel) | |||||