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HLD Opto
Display panel innovator
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HLD / TECHNICAL SUPPORT

Support for your display.

Product documents, installation assistance and support throughout your LED display project.

Product downloads

Need a document that is not listed? Request a datasheet or installation guide →

Project planning

Share dimensions, viewing distance, installation environment and content requirements. We can help with product selection, cabinet layouts and drawings.

Installation & control

Ask for the wiring diagram, receiving-card configuration, control-system instructions and installation guide for your confirmed product.

Maintenance & spare parts

Provide the product model or order reference, a description of the issue and relevant photos. Our team will advise on diagnosis, maintenance and compatible spare parts.

Warranty & delivery

Coverage, responsibilities, spare parts, packing, freight and lead times are agreed in the written project quotation and order. Ask us to confirm them before purchase.

Certificate documents

Check each document for its covered models, standards and dates.

CE · LVDLS1.5 series ↗RoHSLS1.5 series ↗CE · EMCLS1.5 series ↗FCC · SDoCLS1.5 series ↗CE · LVDVC1.8 series ↗RoHSVC1.8 series ↗CE · EMCVC1.8 series ↗FCC · SDoCVC1.8 series ↗CE · LVDVC025 series ↗RoHSVC025 series ↗CE · EMCVC025 series ↗FCC · SDoCVC025 series ↗CE · LVDSA060 series ↗RoHSSA060 series ↗CE · EMCSA060 series ↗FCC · SDoCSA060 series ↗CE · LVDIS1.2 series ↗RoHSIS1.2 series ↗CE · EMCIS1.2 series ↗FCC · SDoCIS1.2 series ↗CCC · IndoorEnglish translation; Chinese original included ↗CCC · OutdoorEnglish translation; Chinese original included ↗ISO 9001Manufacturing of LED displays within CCC scope ↗ISO 14001Manufacturing of LED displays within CCC scope ↗ISO 45001Manufacturing of LED displays within CCC scope ↗LED module design softwareSoftware copyright registration ↗LED backing energy analysisSoftware copyright registration ↗LED display backing assemblyUtility model patent ↗Interactive LCD whiteboardUtility model patent ↗Display splicing structureUtility model patent ↗Telescopic bracket control softwareSoftware copyright registration ↗Display splicing design softwareSoftware copyright registration ↗Display control softwareSoftware copyright registration ↗Display steering IoT softwareSoftware copyright registration ↗Whiteboard interaction softwareSoftware copyright registration ↗High-tech enterpriseIssued December 2024 · Three-year term ↗Construction qualificationQualification categories listed in original ↗HLD trademarkTrademark registration ↗