STP0280B2-240320 Series TFT LCD Panel
User Manual
https://www.aliexpress.com/item/4000528326458.html
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General Description
| MODEL NO | STP0280B2-240320 (YT280S030) |
| Display Mode | Transmissive |
| Display Format | Graphic 240RGB*320 Dot-matrix 240xRGBx320 |
| Input Data | 4 Line-SPI interface |
| Viewing Direction | 12 o’clock |
| Drive | ST7789V |
Mechanical Specification
| Item | Specifications | Unit |
| Dimensional outline | 50.00(W)*69.20(H)*2.60(T)（NTP） 50.00(W)*69.20(H)*3.80(T)（RTP） (FPC not include) | mm |
| Resolution | 240RGB*320 | dots |
| LCD Active area | 43.20(W)*57.60 (H) | mm |
| Pixel size | 0.18W)*0.18(H) | mm |
Mechanical Dimension
NOTES:
- DISPLAY TYPE:TFT
- OPERATING TEMP: -20°C~70°C
- STORAGE TEMP: -30°C~80°C
- LCD DRIVER: COG(IC:ST7789V);
- BACKLIGHT: 4 CHIP-WHITE LED(Parellel)
- GENERAL TOLERANCE: ±0.20
- ROHS
| PIN | SYMBOL |
| 1 | GND |
| 2 | RESET |
| 3 | SCL |
| 4 | D/C |
| 5 | CSX |
| 6 | SDA |
| 7 | SDO |
| 8 | GND |
| 9 | VDD |
| 10 | LEDA |
| 11 | LEDK1 |
| 12 | LEDK2 |
| 13 | LEDK3 |
| 14 | LEDK4 |
| 15 | XL |
| 16 | YU |
| 17 | XR |
| 18 | YD |
| SHENZHEN SUREN00 TECHNOLOGY CO.,LTD. | Third Perspective: | ||||
| Product number: | STP0280B2-240320 (YT280S030) | ||||
| Part Model: | LCM Outline | confirm: | |||
| Version: | v0.0 | unit: | MM | Audit: | |
| date: | 2018.08.16 | Proportion: | 1:01 | design: | |
| UNMRKED TOLERANCE:+0.20 mm | page number: | 1 OF 1 | |||
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 1 | TOPR | -20 | 70 | °C | – |
| Storage temperature | TSTR | -30 | 80 | °C | – |
※NOTE: VDDI and VDD can be directly connected together and share a set of voltage (2.8V~3.3V) for power supply.
Brightness characteristic & Power dissipation
| Item | Symbol | Min | Typical | Max | Unit |
| LED module Forward voltage | V LED | 2.9 | 3.1 | 3.3 | V |
| LED module current | L LED | – | – | – | mA |
| LCD Surface Luminance | Ls | 250 | 300 | – | Cd/m² |
| LCM Surface brightness uniform | L D | 80 | – | – | % |
| LCD power dissipation | P LCD | – | 0.22 | – | W |
※NOTE: PLCD=VDD * (ILED+ILCD)
Module Function Description
| PIN No. | Symbol | Description | Notes |
| 1 | GND | Ground | – |
| 2 | RESET | -This signal will reset the device and it must be applied to properly initialize the chip. -Signal is active low. | – |
| 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 | -Chip selection pin Low enable. High disable. | – |
| 6 | SDA | SPI interface input pin. -The data is latched on the rising edge of the SCL signal. -If not used, please fix this pin at VDDI or DGND level. | – |
| 7 | SDO | -SPI interface output pin. -The data is output on the falling edge of the SCL signal. -If not used, let this pin open. | – |
| 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 | – |
Figure 6-1: Display STP0280B2 4-wire-SPI serial port reference application circuit
Figure 6-2: Touch screen reference application circuit
※NOTE:
- If it is a version without touch, refer to the attached circuit diagram 6-1 to connect the circuit, and hang the four touch pins XL, YU, XR, and YD of the display in the air That’s it.
- For the version with touch, refer to Figure 6-2 Touch Application Connection Circuit.
Response time&Contrast ratio
| Item | Symbol | Condition | Remark | Unit | ||
| Min. | Typ. | Max. | ||||
| Response time | Tr+Tf | θ = 0º | – | 25 | 40 | ms |
| Contrast ratio | CR | θ = 0º | 350 | 500 | – | – |
Response time graph
Contrast calculation formula
Viewing Angle
| Item | Symbol | Condition | Remark | Unit | ||
| Min. | Typ. | Max. | ||||
| Viewing angle | Top | CR ≥ 10 | 40 | 50 | – | Deg. |
| Bottom | CI ≥ 10 | 55 | 65 | – | ||
| Left | CR ≥ 10 | 55 | 65 | – | ||
| Right | CR ≥ 10 | 55 | 65 | – | ||
NOTE: The angle of view of 3 o’clock, 6 o’clock, 9 o’clock, and 12 o’clock refers to the angle (0) between the lines perpendicular to the surface of the screen and the line of sight of the eye.
Reliability Trial
| NO. | ITEM | CONDITION | CRITERION |
| 1 | High Temperature Non-Operating Test | 80°C *120Hrs | No Defect Of Operational Function In Room Temperature Are Allowable |
| 2 | Low Temperature Non-Operating Test | -30 C*120Hrs | |
| 3 | High Temperature/Humidity Non Operating Test | 60°C*90%RH*120Hrs | |
| 4 | High Temperature Operating Test | 70°C*72Hrs | |
| 5 | Low Temperature Operating Test | 20°C *72Hrs | |
| 6 | 1 hermal Shock Test | -20°C (30Min) Q 70°C (30Min) *10CYCLES |
Inspection standards
| NO | Defect item | Criteria | Remark |
| 1 | Dimension Unconformity (Major defect) | By Engineering Drawing | |
| 2 | Cracks (Major defect) | 1. Linear cracks panel 【Reject】 2. Nonlinear crack contrast by limited sample |  |
| 3 | Glass extrude the conductive area (minor defect) | a: disregards and no influence assemblage. 1) b≤1/3Pin width(non bonding area) 【Accept】 2)bonding area≤0.5mm 【Accept】 | 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) | 1)Damage area don’t touch the ITO (Inclueling contraposition mark, except scribing mark) 【Accept】 2)C<T b≦BM1/3of width 【Accept】 3)c=T b not touch the seal glue 【Accept】 4)a disregards | a: Length, b: Width c: Thickness  |
| 6 | Non-pin-side damage (minor defect) | c<T 1)b exceeds 1/3Bm 【Reject】 c=T b not touch the seal glue 【Reject】 | c: Thickness b: width of damage  |
10.2LCD appearance defect(View area)
| NO | Defect item | Criteria | Remark | |
| 1 | Fiber, glass cratch, polarizer scratch/folded (minor defect) | Specification | Allowable | note l:L: Length, W: Width note 2: disregard if out of AA  |
| W- 0.03mm | disregard | |||
| 0.03mm<W O. 05mm;1_,- 3. Omm | 2 | |||
| 0.05mm<W O. lmm; L-<= 3. Omm | 1 | |||
| W>0.1mm;L>3.0mm | 0 | |||
| 2 | Polarizer bubble, concave and convex (minor defect) | 0.2mm | disregard | notel: (I)= (L+W) /2, L : Length, W :Width note 2:disregard if out of AA |
| 0.2mm< (I) 0. 3mm | 2 | |||
| 0.3mm< (1) 0. 5mm | 1 | |||
| 0.5mm< (1) | 0 | |||
| 3 | Black dots, dirty dots, | (1) 0.15 mm | disregard | note 2:disregard if out of AA |
| impurities, eye winker (minor defect) | 0.15mm< (1) -.. O. 25mm | 2 |  | |
| 0.25mm< (1) -.. 0. 3m | 1 | |||
| 0.3mm< (1) | 0 | |||
| 4 | Polarizer prick (minor defect) | (1) 0.1mm | disregard | note 1: (1) = (L+W) /2, L=Length, W=Width note2:the distance between two dots>5mm |
| 0.1mm< (1) 0. 25m | 3 | |||
| (1) >O. 25mm | 0 |
Package Method
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| https://line.me/ti/p/oas8BmVLVd | https://u.wechat.com/EAK0B_l2YfPLwx3tRqiKkf4 |
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