Sinotectronics Inc.
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Master Touch 3 Inch Round Thin Cover Glass GFF Touch Panel for Touch Watch
1. Product Description
A touch screen is a display device that allows the user to interact with a computer using their finger or stylus. They're a useful alternative to a mouse or keyboard for navigating a GUI (graphical user interface). Touch screens are used on a variety of devices, such as cash registers, and information Kiosks. And this 3 inch minisize touch panel is commonly used to the watch.
2. Module Specification
2.1 Basic Information
| Item | Feature | Remarks |
| Controller | GT5668 | - |
| Channel | TX :- RX: - | - |
| Power | 3.3V | USB: 4.7V ~ 6.0V, Typical:5V |
| Communication | IIC | USB: 2.0 Full Speed |
| Number of Touch point | 10 | - |
| O.S. | Windows/ Android/ Linux | |
| Power Consumption | 1.Active Mode: Max.120mA @ USB Input 5V 2.Idle Mode: 90mA @ USB Input 5V 3.Sleep Mode: less than 1mA @ USB Input 5V | |
| Item | Specification | Unit |
| Screen Size | 3 | Inch |
| Viewing Area | 55(L)×55(W) | mm |
| Cover lens O.D | 93.9(L)×91.93(W) | mm |
| Item | Specification | |
| Transparency | Viewing Area | ≧85% |
3. Sensor Specification
| Item | Specification | Unit | ||
| Stacked structure | Cover | 1.1 | mm | |
| Film Sensor | 0.35 | mm | ||
| Sensor Dimension | OD Size | X | 93.9 | mm |
| Y | 91.93 | mm | ||
4. Electrical Specification
| Item | Type | Value | Unit | Remarks |
| Operating Temperature | - | -20 ~ +80 | ℃ | Humidity 20%~85% RH |
| Storage Temperature | - | -30 ~ +80 | ℃ | Humidity 20%~85% RH |
| ESD Requirement | ESD air requirement | ±8 | KV | Air |
| ESD contact requirement | ±6 | KV | Touch |
5. Function Test
5.1 Inspection methods and conditions
Connect jigs (Supplier provide test jigs and test software) to a computer; test touch function of products in normal electrical characteristics.
5.2 Inspection standards
Don't allow any function abnormalities.
6. Drawing
8. Touch Panel FPC Test Items and Criteria
| Test Item | Qty (pcs) | Touch Panel FPC Test Items and Criteria |
| Direct PullingTest | 5 | Test Conditions: 1. Pulling weight: 500g. 2. Pulling speed: 25 mm/min 3. Pulling angle: 90o 4. After test, verify touch panel functionality via test jig Pass Criterion: - No damage of FPC itself - No any peeling on FPC located on bonding pad area - No functional failure after test |
| Bending test
| 5 | Test Conditions: 1. 45 degree bending: 100 times 2. 90 degree bending: 200 times 3. After test, verify touch panel functionality via test jig Pass Criterion : - No damage of FPC itself - No any peeling on FPC located on bonding pad area - No functional failure after test |
| 5 | Test Conditions: 1. Flex bending: 30 cycles (Each cycle: 0o -> 180o --> 0o) 2. After test, verify touch panel functionality via test jig 3. bending ф=1 mm Pass Criterion : - No damage of FPC itself - No any peeling on FPC located on bonding pad area - No functional failure after test |
9. FAQ