Application and Parameter Requirements of LCDs for Export‑Oriented Self‑Service Ice Cream Vending Machines

1. Core Applications of LCD Screens

1.1 Main Interactive Touch Display

It serves as the primary human‑machine interface for flavor selection, cup size and portion adjustment, customized topping configuration, QR‑code payment, advertising playback, dispensing progress display, fault alerts and multi‑language switching.
Available sizes include 15.6/21.5/22/32/49 inches. The 32‑inch version is the mainstream choice for overseas orders, while 21.5‑inch and 22‑inch panels are widely adopted for compact models.

1.2 Built‑in Background Control Panel

Installed inside or on the side of the cabinet for parameter configuration, real‑time monitoring of temperature and pressure, raw material stock reminder, automatic cleaning program, sales data statistics and remote equipment maintenance.
Common sizes: 7‑inch, 10.4‑inch and 15.6‑inch with industrial‑grade IP65 waterproof and oil‑proof performance.

1.3 Secondary Advertising Display (Premium Models Only)

Dedicated to brand promotion, new product campaigns and marketing animation to guide customers to place orders.
21.5‑inch, 32‑inch and 49‑inch screens are commonly used in landscape or portrait split‑screen layout.

2. Standard Technical Specifications for Export Projects

Size & Resolution

• 15.6‑inch: 1920×1080 FHD

• 21.5 / 22‑inch: 1920×1080 FHD

• 32‑inch: 1920×1080 FHD (preferred)

• 49‑inch: 1920×1080 FHD / 3840×2160 4K for high‑end applications

Brightness (Critical for Bright Commercial Environments)

• Indoor shopping malls: 1000–1500 cd/m²

• Semi‑outdoor and street‑side locations: 1500–2000 cd/m²

• Direct outdoor sunlight scenarios: ≥2000 cd/m² with anti‑reflection treatment

Touch Performance

• Adopts 10‑point PCAP capacitive touch, compatible with glove operation

• Response time: ≤10 ms with anti‑false trigger algorithm

• Front panel features anti‑glare AG coating and fingerprint resistance, rated IP65 against water, oil and dust

Optical Features

• IPS wide viewing angle: ≥170° horizontal and vertical

• Contrast ratio: ≥1000:1 for vivid color reproduction under strong light

• Optical bonding design to prevent fogging in high‑temperature and humid conditions

Environmental Adaptability for Unattended 24/7 Operation

• Operating temperature: 0℃~+50℃ for indoor use; ‑20℃~+70℃ industrial grade for global deployment

• Storage temperature: ‑30℃~+80℃

• Shock resistance: 5G vibration compliance with MIL‑STD‑810G standard

• Service life: ≥50,000 hours MTBF to support round‑the‑clock continuous operation

Available Interfaces

• Video signal: HDMI / LVDS / RGB. HDMI for universal compatibility, LVDS for strong anti‑interference performance

• Touch port: USB / I2C

• Power input: 12V / 24V DC to match vending machine power supply

International Compliance Certifications

• CE, RoHS and REACH for European markets; UL certification for North America

• Multi‑language firmware supporting more than 15 languages including English, Spanish, Arabic and French

3. Quick Selection Reference for Overseas Customers

• Standard model: 32‑inch FHD, 1500 cd/m², IPS panel, 10‑point capacitive touch, IP65 protection, 0℃~+50℃, HDMI interface

• Compact model: 21.5‑inch FHD, 1000 cd/m², IPS, IP65 rating, HDMI interface

• High‑end semi‑outdoor model: 49‑inch FHD, 2000 cd/m², IPS optical bonding, ‑20℃~+70℃, LVDS interface