Surenoo STP0240B2-240320 Series TFT LCD Panel User Manual
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General Description
| MODEL NO | STP0240B2-240320 (YT240S030) |
| Display Mode | Transmissive |
| Display Format | Graphic 240RGB*320 Dot-matrix 240xRGBx320 |
| Input Data | 4 Line-SPI interface 4 -SPI |
| Viewing Direction | 12 o’clock 12 |
| Drive | ST7789V |
Mechanical Specification
| Item | Specifications | Unit |
| Dimensional outline | 42.72(W)*60.26(H)*2.55(T)（NTP）42.72(W)*60.26(H)*3.75(T)（RTP） (FPC not include) | mm |
| Resolution | 240RGB*320 | dots |
| LCD Active area | 36.72(W)*48.96 (H) | mm |
| Pixel size | 0.153(W)*0.153(H) | mm |
Mechanical Dimension
Electrical Maximum Ratings
| Item | Symbol | Min | Max | Unit | Note |
| Supply voltage（VDDI ) | V | 1.8 | 3.3 | V | – |
| Supply voltage（VDD | V | 2.8 | 3.3 | V | – |
| Operating temperature 工 | TOPR | -20 | 70 | ℃ | – |
| Storage temperature | TSTR | -30 | 80 | ℃ | – |
Brightness characteristic & Power dissipation
| Item | Symbol | Min | Typical | Max | Unit |
| LED module Forward voltage | VLED | 2．9 | 3.1 | 3.3 | V |
| LED module current | ILED | – | 60 | – | mA |
| LCD Surface Luminance | LS | 250 | 300 | – | Cd/m2 |
| LCM Surface brightness uniform | LD | 80 | – | – | % |
| LCD power dissipation | PLCD | – | 0.22 | – | W |
Module Function Description
| PIN No. | Symbol | Description | Notes |
| 1 | GND | Ground | – |
| 2 | RESET |
| – |
| 3 | SCL | This pin is used to be serial interface clock. | – |
| 4 | D/C | Display data/command selection pin in 4-line serial interface. | – |
| 5 | CSX |
| – |
| 6 | SDA | SPI interface input pin.
| – |
| 7 | SDO |
| – |
| 8 | GND | Ground | – |
| 9 | VDD | Power Supply for Analog, Digital System and Booster Circuit. | – |
| 10 | LEDA | Anode of Backlight (2.9V-3.3V Typical:3.1V) | – |
| 11 | LEDK1 | Cathode of Backlight | – |
| 12 | LEDK2 | Cathode of Backlight | – |
| 13 | LEDK3 | Cathode of Backlight | – |
| 14 | LEDK4 | Cathode of Backlight | – |
| 15 | XL | Touch panel Logical foot | – |
| 16 | YU | Touch panel Logical foot | – |
| 17 | XR | Touch panel Logical foot | – |
| 18 | YD | Touch panel Logical foot | – |
Response time&Contrast ratio
| Item | Symbol | Condition | Remark | Unit | ||
| Min. | Typ. | Max. | ||||
| Response time | Tr+Tf | θ=0° | – | 25 | 40 | ms |
| Contrast ratio | CR | θ=0° | 350 | 500 | – | – |
Viewing Angle
| Item | Symbol | Condition | Remark | Unit | ||
| Min. | Typ. | Max. | ||||
| Viewing angle | Top 12 | CR≥10 | 40 | 50 | – | Deg. |
| Bottom 6 | CR≥10 | 55 | 65 | – | ||
| Left 9 | CR≥10 | 55 | 65 | – | ||
| Right 3 | CR≥10 | 55 | 65 | – | ||
Reliability Trial
| NO. | ITEM | CONDITION | CRITERION |
| 1 | High Temperature Non-Operating Test | 80℃*120Hrs | No Defect Of Operational Function In Room Temperature Are Allowable |
| 2 | Low Temperature Non-Operating Test | -30℃*120Hrs | |
| 3 | High Temperature/Humidity Non Operating Test | 60℃*90%RH*120Hrs | |
| 4 | High Temperature Operating Test | 70℃*72Hrs | |
| 5 | Low Temperature Operating Test | -20℃*72Hrs | |
| 6 | Thermal Shock Test | -20 ℃ (30Min) Q70 ℃ | |
| (30Min) *10CYCLES |
Inspection standard
Glass defect
| NO | Defect item | Criteria | Remark |
| 1 | Dimension Unconformity (Major defect) | By Engineering Drawing | |
| 2 | Cracks (Major defect) |
|  |
| 3 | Glass extrude the conductive area (minor defect) | a: disregards and no influence assemblage.
| A: Length, b: Width |
| 4 | Pin-side ,conductive area damaged (minor defect) | (a c: disregards) b≤1/3of effective length for bonding electrode 【Accept】 | a: length, b: Width, c: Thickness |
| 5 | Pin-side,non-conductive area damaged (minor defect) |
| a: Length, b: Width c: Thickness |
| 6 | Non-pin-side damage (minor defect) | c<T 1)b exceeds 1/3Bm c=T | c: Thickness b: width of damage |
LCD appearance defect(View area)
| NO | Defect item | Criteria | Remark | |
| 1 | Fiber glass cratch polarizer scratch/folded (minor defect) | Specification | Allowable | note1: L: Length, W: Width note2: disregard if out of AA
|
| W≦0.03mm | disregard | |||
| 0.03mm<W≦0.05mm; L≦3.0mm | 2 | |||
| 0.05mm<W≦0.1mm; L≦3.0mm | 1 | |||
| W>0.1mm;L>3.0mm | 0 | |||
| 2 | Polarizer bubble concave and convex (minor defect) | φ≦0.2mm | disregard | note1: φ=(L+W)/2,L:Length, W :Width note2:disregard if out of AA |
| 0.2mm<φ≦0.3mm | 2 | |||
| 0.3mm<φ≦0.5mm | 1 | |||
| 0.5mm<φ | 0 | |||
| 3 | Black dots dirty dots | φ≦0.15mm | disregard | note2:disregard if out of AA |
| Impurities eye winker (minor defect) | 0.15mm<φ≦0.25mm | 2 |  | |
| 0.25mm<φ≦0.3mm | 1 | |||
| 0.3mm<φ | 0 | |||
| 4 | Polarizer prick (minor defect) | φ≦0.1mm | disregard | note1: φ=(L+W)/2,L=Length, W=Width note2:the distance between two dots>5mm |
| 0.1mm<φ≦0.25mm | 3 | |||
| φ>0.25mm | 0 | |||
Package Method
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