Specifications:
Cover surface hardness: ≥6H
Ink adhesion:≥4B
Impact resistance:≥IK07
Support Touch Points: 10 points Typ.
Controller Interface:USB Typ.
Controller Supply Voltage:USB 5V Typ.V
Touch Report Rate:≥100Hz
Touch Response Time:≤25ms
Touch Linearity:±2mm
Display Supply Voltage:3.3 Typ.V
Transmittance:＞85%
Pixel Pitch:0.1695x0.1695mm
Support Color: 262K/16.7M
Viewing Angle: 85 Typ.
Solutions to Poor Touch Sensitivity of Touch Modules in Practical Applications
1.Adopt industrial double-layer fluorinated AF coating with water and oil contact angles ≥ 110°. Cutting fluid, lubricating oil and water mist automatically bead up and roll off without forming continuous water films, while reducing electrostatic adsorption of dust and metal scraps.
2.Optically clear adhesive (OCA) full lamination is adopted with zero air interlayer, completely eliminating condensation inside the interlayer under temperature-differential environments. It prevents cutting fluid vapor and chemical mist from being trapped between the cover glass and touch electrodes to form conductive bridges, thus eradicating water-drop false touches at the source.
3.An integrally molded fluororubber sealing ring is applied around the screen perimeter. It resists corrosion from cutting oil, lubricants and chemical solvents without swelling or cracking under oil contamination, serving as a superior alternative to ordinary silicone rubber which swells and malfunctions upon exposure to oil.
4.Equipped with an industrial-grade touch IC featuring water suppression algorithm: it identifies conductive signals generated by large-area continuous water films and condensation, automatically shields false touch signals triggered by water droplets and mist, and only recognizes capacitive signals from human fingers, eliminating random screen jumps and false triggering entirely.
5.It automatically compensates for the attenuated induced electric field when a thin layer of oil contamination or dust covers the surface to guarantee normal touch response. Conventional touch chips will suffer complete touch failure with no feedback once covered by oil stains.
Solutions to Anti-Vibration and Anti-Aging Issues of Touch Modules in Practical Applications
1.Vibration-resistant low-shrinkage OCA optical adhesive is selected to enhance the cushioning performance of the adhesive layer. The module undergoes high-temperature and high-pressure defoaming plus secondary curing to eliminate internal lamination stress, preventing delamination and bubble generation under long-term high-frequency vibration.
2.Flexible reinforced PET is adopted as the touch sensor substrate to replace ordinary brittle substrates. It alleviates micro-deformation caused by vibration transmission and prevents microcracks on electrodes as well as partial touch disconnection.
3.The cover glass adopts chemically strengthened aluminosilicate glass with a chemical strengthening depth of ≥0.4 mm, reaching IK08 impact protection rating (far superior to ordinary IK03 soda-lime glass). It resists cracking upon collision with workpieces and tools and eliminates safety hazards of broken glass splashes. An upgraded heavy-duty explosion-proof IK09 specification is available upon request.
4.The aluminosilicate glass incorporates UV-resistant formula in its substrate, paired with a composite anti-UV coating on the surface, blocking over 99% of ultraviolet rays. The cover glass will not turn yellow or fog with reduced light transmittance under long-term outdoor sun exposure.
5.UV-resistant outdoor-specific OCA optical adhesive is adopted with added UV stabilizers, preventing yellowing, embrittlement and delamination of the adhesive layer after long-term sunlight exposure, and resolving touch drift and sensitivity degradation caused by adhesive aging.
6.The touch sensor and ITO conductive layer are laminated with a UV-protective base film, which blocks ultraviolet rays from penetrating and damaging electrode circuits, ensuring consistent touch accuracy without degradation over years of service.
FAQ
Q1: Why does the touch screen lose sensitivity when splashed with cutting fluid or water mist?
A: Our module adopts double-layer fluorinated AF coating with contact angle ≥110°, plus full OCA lamination without air interlayers. Liquid beads up and slides off instead of forming conductive water films, which fundamentally avoids water-drop false touches and sensitivity loss.
Q2: Will long-term equipment vibration cause touch delamination or intermittent touch failure?
A: We use vibration-resistant low-shrinkage OCA with secondary curing to remove internal stress, and flexible reinforced PET sensor substrates to reduce vibration-induced micro-deformation. No bubbles, delamination or electrode microcracks will occur under sustained high-frequency vibration.
Q3: Does the touch panel turn yellow and fog after long-term outdoor sunlight exposure?
A: The aluminosilicate cover glass features UV-resistant substrate formula and anti-UV coating blocking over 99% UV rays. UV-stabilized outdoor OCA and UV-protective sensor base films are matched together to prevent yellowing, fogging and touch precision attenuation under prolonged sun exposure.
Q4: How does the touch module cope with oil, chemical solvent corrosion around industrial equipment?
A: An integrally molded fluororubber sealing ring surrounds the screen, resisting cutting oil, lubricants and chemical swelling cracking. Unlike ordinary silicone rubber, it maintains stable sealing performance in oily environments for long-term use.
Q5: Will dust and thin oil stains on the screen surface lead to unresponsive touch?
A: Equipped with an industrial touch IC with electric field automatic compensation algorithm. It compensates attenuated induction signals under thin dust and oil coverage for normal touch response, while ordinary chips suffer complete touch failure when stained with oil.
