Explore our engineering capabilities across high-durability, IP65-rated resistive and capacitive touch assemblies built to stringent industrial criteria.
In modern industrial design, the human-machine interface (HMI) is no longer confined to traditional rectangular profiles. The rise of circular screen architectures and round touch buttons represents a paradigm shift across medical, smart-home, and automotive sectors. Designing a round touch button goes far beyond simple physical trimming. It requires a dedicated optical bonding, custom sensor layout design, and highly localized signal calibration to prevent dead zones around the circular perimeter.
Traditional rectangular sensors rely on grid-based X and Y traces. When adapted to a round form factor, standard matrix layouts result in suboptimal touch resolution along the curves. As a premier OEM manufacturer, we redesign the trace paths radially or use high-density sensor grids optimized for circular shapes. This prevents false activations, optimizes EMI shielding, and ensures an interface capable of operating flawlessly under extreme environmental pressures.
Custom electrode paths layout matching the physical bezel, eliminating dead spots and linear measurement errors on the circular boundaries.
Anti-Glare, Anti-Reflective, and Anti-Fingerprint surface modifications applied via automated atmospheric chamber coating systems.
Configured at the controller firmware level to dynamically reject water droplets, moisture condensation, and high industrial electromagnetic fields.
Founded in 2010 and headquartered in the high-tech manufacturing hub of Guangzhou, China, we are an industry-leading manufacturer specialized in research, development, production, and custom execution of high-tier resistive touch panels, capacitive touch screens, optical bonding, and integrated cover glass assemblies.
We host a fully optimized Class 100, Class 1,000, and Class 10,000 dust-free facility measuring over 3,000 square meters. By integrating precise manufacturing steps under strictly controlled atmospheric parameters, we maintain an outstanding yield rate for high-reliability medical, military, aerospace, and outdoor industrial control equipment.
| Quality Certification | Standard Achieved | Application Scope |
|---|---|---|
| ISO 9001:2015 | Certified Facility Quality | Traceability & Process Consistency |
| ISO 14001:2015 | Environmental Management | Eco-conscious Manufacturing Policies |
| High-Tech Title | Guangdong High-Tech Title | R&D Capabilities & Technical Patenting |
To serve global supply chains, our industrial round touch buttons feature multi-layered material options and specialized controller compatibility. Unlike standard buttons, our round touch configurations can be integrated directly onto curved glass borders or designed as standalone smart knobs with custom central displays.
| Feature Spec | Capacitive Round Touch Button | Resistive Round Touch Button |
|---|---|---|
| Available Outer Diameter | 15mm to 300mm+ custom cuts | 20mm to 200mm+ custom alignments |
| Cover Glass Thickness | 0.55mm to 10.0mm (Chemically Tempered) | 0.18mm to 2.0mm Film/Glass setups |
| Ingress Protection (IP) | IP65, IP67, IP68 (Seamless Optical Bonding) | IP65 (Gasket sealed options) |
| Controller Chipset Compatibility | Cypress, Ilitek, EETI, FocalTech, Goodix | Analog resistive controller boards |
| Input Method | Bare finger, conductive stylus, thick gloves | Any pointer (stylus, fingernail, gloved hand) |
| Interface Support | I2C, SPI, USB, UART | 4-Wire, 5-Wire Analog Interface |
Depending on the integration environment, we offer several custom surface treatments:
China's Pearl River Delta continues to lead global electronics development, and Guangzhou Xiangrui Optoelectronics occupies a strategic position within this ecosystem. Our presence in this industrial hub allows us to deliver high-quality, flexible ODM/OEM solutions with exceptional efficiency.
Our raw material network comprises premium glass substrates, high-quality ITO films, and reliable controller ICs. This integration allows us to significantly compress prototype lead times. A fully custom circular cover lens with custom matrix layouts can progress from initial design to validation within 10 to 15 working days.
Our in-house capabilities include laser cutting, CNC glass processing, automated screen printing, sensor etching, and optical bonding (LOCA/OCA). By keeping these processes in-house, we eliminate external logistical delays and retain full control over quality. This horizontal and vertical control structure minimizes fabrication waste and directly reduces unit costs for high-volume production runs.
Global supply chains require adherence to strict quality control processes. Our ISO 9001 and ISO 14001 certified manufacturing facilities deploy strict testing regimens to ensure compliance with international industrial safety and environmental guidelines.
Our touch buttons are engineered to meet strict CE and FCC electromagnetic compatibility rules, preventing nearby wireless noise or motor drives from triggering false touch registrations.
Built for environmental resilience, our wide-temperature assemblies remain stable across a broad operating range, typically from -30°C to +85°C.
All raw materials, cover panels, optical glues, and circuit paths are verified hazardous-substance-free, ensuring clean compliance with RoHS and REACH standards.
Because round interfaces mimic natural dial movements, they are widely chosen across diverse, high-performance industry applications:
Get answers to common engineering questions regarding the customization, performance, and sourcing of circular touch panels and buttons.
Review our specialized range of high-transmittance, wide-temperature capacitive screens and customized small-to-large format touch layers.
Xiangrui Optoelectronics
