Shenzhen ZXT LCD Technology Co., Ltd.
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21.5" Projected Glass+Glass Capacitive Touch Screen With 10 Touch Points
1. Honeycomb structure.
2. Independent signal output.
3. Realizes multi touch capabilities.
ZXT is specialized in producing Multi-touch Infrared touch screen/IR Touch Panel frame, LCD Touch Kiosk, Interactive touch foil, LCD touch Panel PC/ Computor/ bezel Monitor, Touch Tablet PC, Optical touch screen and Capacitive touch screen, Any size of touch panel we can customized for you. Just let us know the requirement. For Multi-touch IR Panel, we can offer Dual-touch(2 points), 6 points, 8 points, 10 points, 16 points and 32 points, No ghost point. Etc.
The projected capacitive touch screen works on the principle of conventional capacitive touch screens with the addition of two sensing arrays (X and Y) on two different layers that are perpendicular to each other along with a drive line. As X and Y arrays exist on different layers, the point where the two intercept becomes a capacitive node. When electrical currents run along one of the arrays through the drive line, the other array and the circuitry that detects change in capacitive values becomes connected. During actual operation, the controller sends electrical currents to the drive lines on different layers to create a specific electrical field with the nodes.
When the user places his finger or uses a touch medium close to the touch screen, the controller immediately picks up the change in capacitive value between the nodes and drive lines to pinpoint the exact location of the touch event. Since the sensing arrays on the panel form a 3D electrical field that is independent to the surface capacitors, the touch event registers even when no physical contact with the touch screen is made. In other words, projected capacitive touch screens feature Z-axis recognition.
Advantages:
1. Honeycomb structure.
2. Independent signal output.
3. Realizes multitouch capabilities.
4. Touch screens can be built in specific dimensions requested by clients in custom orders.
Specification:
| Item | Standard |
| Size Range | 15"~65" |
| Type | Digital |
| Input Mode | Finger, Gloved hand activation |
| Operating Temperature | 0°C~60°C (20%RH~85%RH) |
| Storage Temperature | -10°C~70°C (10%RH~90%RH) |
| Transparency | more than 90% |
| Linearity | 1.5% |
| Structure | Glass/Glass |
| Hardness | more than 7H |
| Operating Force | less than 10g |
| Loop Resistance | 500~1000 ohm |
| Knock Test | 350,000,000 times |