This 8-inch touch film module is mainly applied in the industrial field. To solve issues such as random tapping, unresponsive touch and inaccurate touch positioning, we abandon consumer-grade ICs and adopt industrial-grade wide-temperature ICs. It avoids touch jumping at high temperatures and maintains normal touch response even at low temperatures.
Specifications:
Cover surface hardness: ≥6H
Ink adhesion: ≥4B
Impact resistance: ≥IK07
Lamination to display: optical bonding
Support Touch Points: 10 points Typ.
Controller Interface: USB Typ.
Controller Supply Voltage: USB 5V Typ.
Touch Report Rate: ≥100HZ
Touch Response Time: ≤25ms
Touch Linearity: ±2mm
Display Supply Voltage: 3.3 Typ.
BACKLIGHT Supply Voltage: 9.3 Typ.
Transmittance: ＞85%
Support Color: 16.7M
Contrast Ratio: 1200 Typ.
How to optimize issues such as touch drift？
1.The G+G double glass fully laminated structure features superior temperature drift suppression compared with G+F and P+G. It effectively reduces capacitance baseline fluctuations caused by temperature differences and structural deformation of interlayer air gaps.
2.Industrial-grade touch IC with -20～70℃ wide-temperature adaptive baseline calibration. Built-in real-time temperature sampling and compensation algorithm dynamically corrects the capacitance reference value according to ambient temperature, suppressing baseline shift during cold start.
3.We perform three-section temperature calibration including low temperature, room temperature and high temperature, and preset multiple sets of baseline parameters. The system automatically matches the current ambient temperature threshold upon power-on, effectively solving the initial touch drift at cold start.
4.An underlying shielding layer and frame grounding shielding are added to reduce coupled interference caused by power ripples and ambient temperature changes. Differential and equal-length routing is adopted while keeping traces away from high-voltage and heat sources to minimize parasitic capacitance fluctuation under temperature variation.
How to solve glove touch operation of the pcap touch screen 8 inch
1.Industrial-grade touch IC integrates built-in algorithms for wet hand suppression, oil contamination filtering and enhanced glove sensing. It distinguishes real human touch from parasitic capacitance caused by water stains and oil stains, eliminates false touches and improves glove recognition sensitivity.
2.Thickened tempered cover glass + AG matte anti-fingerprint and anti-oil coating reduces the spreading of oil and water stains on the surface to form a continuous conductive layer, lowering false touches at the source.
3.Full lamination with G+G dual-layer glass delivers more stable sensing layer and strong anti-interference capability. Compared with G+F and P+G structures, it enables stable recognition under wet-hand conditions and with both thin and thick labor gloves.
4.The firmware adopts graded threshold calibration for multiple scenarios including dry/wet hands and gloved/ungloved use.It automatically adapts to dry hands, wet hands, oil contamination, single-layer and multi-layer work gloves without manual switching.
FAQ
1.Q: Can this touch panel work with wet hands or under water stain conditions?
A: Yes. It is equipped with industrial touch IC with wet-hand suppression and water stain filtering algorithms, which can effectively distinguish real touches from water interference and avoid false triggers.
2.Q: Is it compatible with thin or thick labor protection gloves?
A: Yes. The touch solution supports stable recognition with both thin and thick labor gloves, thanks to enhanced glove sensing algorithms and G+G full lamination structure.
3.Q: How does the product prevent false touches caused by oil and fingerprints?
A: The panel uses thickened tempered glass with an AG anti-fingerprint and anti-oil coating, which prevents oil and water from forming a continuous conductive layer and reduces false touches at the source.
4.Q: Do I need to manually switch modes for dry hands, wet hands, or gloves?
A: No manual switching is required. The firmware supports multi-scenario threshold calibration and automatically adapts to dry hands, wet hands, oil contamination, and multi-layer gloves.
5.Q: What are the advantages of G+G full lamination over G+F or P+G structures?
A: G+G dual-layer glass full lamination provides a more stable sensing layer and stronger anti-interference performance, ensuring more reliable touch operation in harsh industrial environments.
