TPC｜The All-in-One AR + AS Evaporation Flagship Built for Touch Panel Mass Production

An Integrated Evaporation Flagship Built for High-Volume Touch Panel Production

Smartphone touch panels, tablets, automotive center-stack displays, smart wearables — touch panels for today's consumer electronics ship in the billions of units per year, placing the most demanding dual requirements on coating processes: extreme production efficiency (short Tact Time, 24/7 continuous operation, high yield) and complete optical function integration (AR anti-reflection + AS anti-smudge / anti-fingerprint + high abrasion resistance). The traditional segmented approach (separate AR and AS machines) cannot meet this intensity — the industry-standard solution is the all-in-one AR + AS mass production evaporation coater.

The Dah Young Vacuum TPC (Touch Panel Coater) is an integrated evaporation flagship built precisely for this market. The TPC integrates E-beam AR multilayer evaporation, fluoride AS thermal evaporation, Dah Young's in-house IAD ion source, center-drive high-uniformity rotation system, and enhanced pumping and heating systems — completing the entire process from substrate loading through AR multilayer deposition to AS anti-smudge surface treatment within a single machine. Chamber sizes span 1100 mm medium-volume production through 2050 mm ultra-large-volume production across five tiers, fully covering everything from smartphone touch panels to automotive large-format panels.

All-in-One AR + AS Process | Redefining Touch Panel Coating Logic

Traditional touch panel coating workflows require two separate machines — one for AR multilayers, then transferring to another for AS anti-smudge. Substrate handling between machines not only increases contamination risk and reduces yield, but also significantly slows production pace. For smartphone touch panel manufacturers operating at hundreds-of-millions-per-year scale, this process limitation directly impacts investment ROI.

The TPC redefines this process at the architectural level — the E-beam evaporation source handles precise AR multilayer stacking, while the fluoride thermal evaporation source handles AS anti-smudge surface treatment, with both process modules sharing the same high-vacuum chamber. Substrates complete the all-in-one AR + AS process under uninterrupted vacuum. This integrated design substantially reduces total process time, eliminates contamination risk from intermediate handling, and improves production yield.

Center-Drive High-Uniformity Rotation System | The Key to Large-Substrate Mass Production

One core challenge in touch panel coating mass production is coating uniformity on large substrates — as substrate dimensions scale from smartphone (under 10 inches) to automotive center-stack displays (15–20+ inches) or large tablets, thickness uniformity drops sharply, affecting optical performance and yield.

The TPC employs a high-precision center-drive rotation system that moves substrates through the evaporation source along an optimized trajectory, paired with fixture designs optimized via Dah Young's FAST coating uniformity simulator — achieving comprehensive uniform coating on large substrates. Thickness uniformity ≦ ±2% is maintained even in 1800 mm or 2050 mm ultra-large chambers — at industry-leading levels.

Dah Young In-house IAD Ion Source | Industry-Leading Abrasion Resistance

A key performance metric for touch panels is abrasion resistance lifetime — smartphone screens are repeatedly touched by fingers, tablets must withstand stylus pressure, and automotive center-stack displays face long-term environmental wear. Steel wool abrasion testing is the industry-standard quantitative metric, with several thousand cycles representing the entry-level threshold for international top-tier brands.

The TPC comes standard-equipped with Dah Young's in-house RF ion source (IAD, Ion-Assisted Deposition). Through ion bombardment that enhances AR multilayer density combined with optimized fluoride AS coating processes, the standard configuration achieves 10,000 steel wool abrasion test cycles with contact angle decrease controlled within 5° — directly competing with industry-leading mass-production coaters' signature specifications.

Enhanced Pumping & Heating Systems | Substantially Shorter Tact Time

The economic efficiency of touch panel mass production depends directly on Tact Time (cycle time) — every 10% reduction in Tact Time equals a 10% increase in capacity, with major impact on production-line ROI. Tact Time bottlenecks in conventional evaporation systems typically come from pump-down time and substrate heating time.

The TPC's enhanced pumping and heating system designs substantially shorten pump-down cycles and ramp-up times — making overall Tact Time significantly shorter than conventional models. Combined with the multi-tier chamber size selection, customers can choose the optimal model for their production scale — from 1100 mm medium-volume production (millions per year) to 2050 mm ultra-large-volume production (hundreds of millions per year). The TPC offers complete specification coverage.

Versatile Platform | Covering Touch Panels and Optical Lens Finishing

Although the TPC is primarily designed for touch panel mass production, the platform architecture also addresses other applications requiring AR + AS integration — including automotive large-format panels, smart wearable display modules, eyewear lens finishing, and optical lens AR + AF finishing. Customers can flexibly serve multiple product lines beyond their primary mass-production line — improving equipment utilization and investment return.

The TPC also offers an optional in-line interface for connection with Dah Young's GLC (Optical Lens), PLC (Plastic Lens), and OFC (Optical Filter) evaporation coaters via vacuum transfer interfaces — enabling a complete in-line production line of upstream optical coating + TPC finishing. Substrates remain under uninterrupted vacuum from loading to unloading — ideal for flagship product lines pursuing the highest yields.