Displays à large plage de température
Modules TFT LCD industriels pour -30 °C à +85 °C : où les utiliser et que spécifier.What Happens to a Standard Panel in the Cold
Below roughly −10 to −20 °C, standard LC mixtures become viscous: response times stretch from milliseconds toward seconds, ghosting appears, and in extreme cold the panel may not switch at all until it warms up. Heat is slower to kill but just as real — contrast drops and polarizers age faster near +80 °C.
What Changes Inside a Wide-Temperature Module
- Low-viscosity, wide-temperature liquid crystal fluid
- Backlight and driver components qualified beyond the industrial range
- Materials and seals chosen for thermal cycling and humidity
Operating vs Storage Temperature
Two ratings matter and they are not the same: storage temperature is survival with the display off; operating temperature is full performance with the display on. A module may store at −40 °C but only operate from −30 °C. Below the operating minimum, a heater strategy can bridge the gap — we supply such builds on request.
Typical Applications
- Cold chain and freezer-room terminals
- Outdoor kiosks, EV chargers, fuel dispensers
- Vehicle-mounted terminals and agricultural equipment
- Unheated industrial cabinets and telecom enclosures
Modèles standard DISEA correspondants
Ces numéros de pièce de notre catalogue correspondent à ce guide — chacun est un modèle standard avec spécifications complètes et demande de fiche en un clic :
- DS-T028GQSW-01 — 2.8″ 240x320 TN, 350 cd/m²
- DS-T034BOIA-01 — 3.4″ 800x800 IPS Round, 1000 cd/m²
- DS-T0345BHSA-01 — 3.45″ 340x800 IPS Bar, 400 cd/m²
- DS-T035HLWSA-01 — 3.5″ 320x240 IPS, 900 cd/m²
- DS-T050BWSWA-02 — 5.0″ 800x480 IPS, 1000 cd/m²
- DS-T050BWSWA-02CP — 5.0″ 800x480 IPS, 850 cd/m²
- DS-T070QWHW-01 — 7.0″ 800x480 TN, 550 cd/m²
- DS-T070QWHW-01P — 7.0″ 800x480 TN, 480 cd/m²