Surenoo STP0144B-128128 Series TFT LCD Panel
Surenoo STP0144B-128128 Series TFT LCD Panel
General Description
| Model | STP0144B-128128 YT144S025 |
| Display Mode
| Transmissive |
| Display Format
| Graphic 128RGB*128 Dot-matrix 128xRGBx128 |
| Input Data
| SPI-4 line interface SPI-4 |
| Viewing Direction
| 12 o’clock 12 |
| Drive
| ST7735S |
Mechanical Specification
| Item | Specifications | Unit |
| Dimensional outline
| 29.50(W)*36.50(H)*2.50(T) (FPC not include) | mm |
| Resolution
| 128RGB*128 | dots |
| LCD Active area
| 25.50(W)*26.50 (H) | mm |
| Pixel size
| 0.199(W)*0.207(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 LED | VLED | 2．9 | 3.1 | 3.3 | V |
| LED module current LED | ILED | – | 18 | – | mA |
| LCD Surface Luminance
| LS | 160 | 180 | – | Cd/m2 |
| LCD Surface brightness uniform LED | LD | 80 | – | – | % |
| LCD power dissipation
| PLCD | – | 0.060 | – | W |
Module Function Description
| PIN No.
| Discription | Notes
| |
| 1 | NC | No connection
| – |
| 2 | GND | Ground
| – |
| 3 | LED- | Cathode of Backlight
| – |
| 4 | LED+ | Anode of Backlight (2.9V-3.3V Typical:3.1V)
| – |
| 5 | GND | Ground
| – |
|
6 |
RESX | -This signal will reset the device and it must be applied to properly initialize the chip. -Signal is active low.
|
– |
|
7 |
DCX | -Display data/command selection pin in 4-line SPI interface. DCX=’1’: display data or parameter. (DCX=1: DCX=’0’: command data (DCX=0: |
– |
| 8 | SDA | -Serial input/output signal in 4-line SPI. (4 | – |
| 9 | SCL | -4-line SPI serial interface clock. | – |
| 10 | VDD | Power Supply for Analog, Digital System and Booster Circuit. 2.8-3.3V) | – |
| 11 | VDDI | Power Supply for I/O System. 1.8-3.3V) | – |
|
12 |
CSX | -Chip selection pin Low enable. High disable.
|
– |
| 13 | GND | Ground
| – |
| 14 | NC | No connection
| – |
Response time & Contrast ratio
| Item
| Symbol
| Condition
| Remark | Unit
| ||
| Min.
| Typ.
| Max. | ||||
| Response time
| Tr+Tf | θ=0° | – | 30 | 60 | ms |
| Contrast ratio
| CR | θ=0° | 200 | 300 | – | – |
Viewing Angle
| Item
| Symbol
| Condition
| Remark | Unit
| ||
| Min.
| Typ.
| Max.
| ||||
|
Viewing angle
| Top 12 | CR≥10 10 | 30 | 40 | – |
Deg.
|
| Bottom 6 | CR≥10 10 | 40 | 50 | – | ||
| Left 9 | CR≥10 10 | 40 | 50 | – | ||
| Right 3 | CR≥10 10 | 40 | 50 | – | ||
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) | n70 ℃ | |
| (30Min) *10CYCLES | ||||
Inspection standards
Glass defect
| 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 |
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、impurities、eye winker (minor defect) | φ≦0.15mm | disregard | note2:disregard if out of AA
|
| 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 | |||
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