Frequently Asked Questions
Your Questions Answered
Lifespan, Quality Warranty & Global After-Sales Support
Q1: What is the theoretical service life of your LED lamp beads? What anti-aging protection treatments are added for outdoor products?
A: All original SMD l Chips reach 100,000 hours theoretical service life under normal power consumption. Outdoor series (OM/FC/TT/RP outdoor) add UV anti-yellow coating and full sealed waterproof cabinet; TF transparent film adopts V1 flame retardant substrate with over 8 years anti-yellow performance; FL flexible modules use anti-oxidation soft circuit board to extend service life.
Q2: What official warranty policy do you offer for all LED display series?
A: We provide unified 2-year full machine global warranty covering modules, power supplies, control cards and cabinets. Consumables such as power cords, signal cables and external control computers are excluded from free warranty; lifetime paid spare parts supply and firmware update service are available after warranty expires.
Q3: What full set of technical support can you provide for overseas clients without local engineers?
A: 1. Pre-sale: free project layout drawing, splicing simulation file, parameter matching scheme design;
2. Pre-delivery: multi-language operation manual, installation video tutorial, product aging test report;
3. After-sales: 24/7 online WhatsApp/email remote video debugging, remote system calibration, global air shipping of spare parts within 7 working days;
4. Large landmark projects: negotiable overseas on-site engineer installation guidance service.
Q4: Are rental RP/RS Series cabinets durable for hundreds of times loading, transport and disassembly?
A: Die-cast aluminum integrated cabinet with thick anti-collision rubber corners, independent sealed power box to prevent vibration damage, matched customized shockproof flight transport cases. Our rental screens have passed thousands of cycle disassembly aging test, suitable for long-term rental company fleet use.
Q5: Can all series provide spare modules and accessories for long-term project maintenance?
A: Yes. We maintain permanent mold inventory for all product models including discontinued versions, ensure spare modules, power supplies, receiving cards, lock accessories can be supplied at any time within 10 years after order delivery, avoid later maintenance out-of-stock troubles for your projects.
Customization, Parameter Matching & Project Solution
Q1: What customizable items can you provide for LED screen projects? Can I submit my own architectural renderings for exclusive development?
A: Full one-stop customization coverage:
- Optical parameters: pixel pitch, screen brightness, transparency gradient adjustment;
- Shape & size: arbitrary cutting for TF/HT film, FL curved radian, SF spherical diameter (0.5m~3m), CZ irregular letter/trumpet/donut outlines;
- Structure: rental arc angle, outdoor cabinet color, vehicle housing appearance, installation bracket customization;
- System: dedicated playback software for spherical, interactive dance floor and GPS vehicle advertising.
You can provide CAD/render drawings, our engineering team optimizes modular splicing structure and issue quotation before mass production.
Q2: How to select the correct pixel pitch according to viewing distance?
A: General industry matching rule: minimum viewing distance = pixel pitch × 1000;
- Close viewing (1–3m): COB P0.78~P1.56, AIO P1.56, TF/HT high-density transparent P2.5;
- Medium viewing (3–10m): IF indoor P1.95~P2.97, RP rental P1.9~P3.9, CZ creative P2.5;
- Long-distance outdoor (10m+): FC/FM outdoor P4.44~P10, OM mesh P10.4/P15.6, TT taxi roof P2~P5.
Q3: How to configure screen brightness for indoor, semi-outdoor and fully outdoor environments?
A: 1. Indoor conference/office: 100–600cd adjustable low brightness, avoid eye glare;
2. Semi-outdoor shop transparent window (TF/HT): 2000–5000cd balance light transmission and display effect;
3. All-weather outdoor building wall, taxi roof, stadium: ≥4500cd high brightness anti-sunlight washout, FM outdoor series up to 7000cd for strong light plaza environment.
Q4: Can the spherical SF LED diameter and splicing radian be customized for museum landmark projects?
A: Yes. Standard spherical diameters range from 0.5m to 3m, we support non-standard diameter customization. Trapezoidal special modules realize 360° seamless distortion-free splicing, outdoor version can upgrade IP67 silicone waterproof encapsulation for coastal high-humidity exhibition halls.
Installation, Maintenance & Structural Design
Q1: What’s the advantage of RP rental screen’s 3-second fast lock splicing design?
A: Integrated built-in lock buckle without extra connectors, one-hand quick cabinet docking, each panel assembly only takes 3 seconds, greatly cutting event on-site construction time. Adjustable -5°~+5° arc lock can splice concave/convex curved stage backdrops, the whole cabinet adopts anti-collision corner protection for repeated transport.
Q2: What’s front maintenance? Which series support front-only / front & rear dual maintenance?
A: Front maintenance means replace faulty modules directly from screen surface without dismounting the whole wall, suitable for narrow rear space such as glass curtain wall and hanging rental screens.
- Front only: IF indoor fixed, TF/HT transparent film/cabinet
- Front & rear dual maintenance: RP/RS rental, OM outdoor mesh, FC/FP outdoor fixed, convenient for both hanging and ground stacking installation.
Q3: Do transparent film and holographic cabinet need heavy steel back frames for glass wall installation?
A: TF self-adhesive film requires zero brackets, directly pasted on clean glass surface with no wall load. Holographic transparent cabinet only needs thin aluminum light keel support, ultra-light 2kg/㎡ weight, no large steel frame required, save engineering material and labor cost. Mesh outdoor mesh cabinet 15kg/㎡ with hollow wind reduction design, effectively reduce high-rise building wall bearing pressure.
Q4: Can FL flexible LED modules be installed on cylindrical and spiral curved surfaces? Any limit on bending radius?
A: FL indoor flexible modules support maximum 120° bending, minimum bending diameter 459mm, can be spliced into concave, convex, circular and spiral tunnel shapes, adopt soft substrate with anti-break circuit design, passed over 10,000 folding durability tests.
Q5: Is professional construction team mandatory for AIO all-in-one conference LED and PS poster LED?
A: No. AIO tri-fold integrated machine with mobile base, unfold and plug power to use within 2 minutes; PS poster stand LED is integrated single machine, wheel design for free movement, plug-and-play without any frame assembly work.
Product Performance & Core Function
Q1: Many suppliers mention refresh rate, what does ≥3840Hz high refresh bring, is it necessary for my project?
A: All Cheer full-series products adopt standard ≥3840Hz refresh rate, partial outdoor models reach 7680Hz. High refresh eliminates screen flicker under mobile phone, DSLR and live broadcast camera shooting, no black stripe during livestream, concert recording and social media short video shooting. It’s mandatory for stage rental, retail storefronts and landmark scenic spots that need frequent video recording; general static outdoor billboards can choose 1920Hz cost-effective version.
Q2: What’s the difference between COB packaging and conventional GOB SMD screens, what scenario suits COB?
A: COB encapsulation directly solidifies lamp beads on PCB board, ultra-high 15000:1 contrast, anti-collision, dust-proof, moisture-proof, low brightness high gray effect, stable for long 24-hour operation, ideal for command centers, monitoring rooms, high-end conference fine-pitch walls. GOB is glue-covered SMD modules, cost advantage, scratch-resistant, widely used in rental, transparent, poster and dance floor screens for general commercial use.
Q3: Will transparent LED block indoor light and sight? How high transmittance can you reach?
A: TF film up to 95% transmittance, HT cabinet max 98%, OM mesh max 80%. Hollow circuit layout reserves most natural light and indoor sight, completely different from opaque traditional solid LED walls. For projects requiring maximum daylight retention, pick HT high-transparent sub-models over 90% transmittance.
Q4: RD interactive dance floor claims 2000kg/㎡ load-bearing, what actual usage scenarios can it support?
A: Die-cast aluminum reinforced cabinet structure bears 2000kg per square meter, enough for dense pedestrian crowds, stage equipment rolling and small vehicle test driving. Built-in touch induction chip, support real-time interactive ground pattern linkage, widely used wedding stages, bar interactive floors and exhibition experience areas.
Q5: Do all outdoor LED screens reach IP66 waterproof grade? What’s the waterproof difference between mesh, rental outdoor and taxi LED?
A: OM outdoor mesh, FC/FP fixed outdoor, RP outdoor rental, TT taxi roof all reach IP66 full front & rear waterproof, adapt long-term outdoor rain and snow. HT/TF transparent indoor semi-outdoor only IP43 dust-moisture proof, cannot be exposed to long-term heavy rain without canopy. SF spherical outdoor version adopts silicone gel encapsulation to upgrade IP67 for seaside humid environment.
Q6: What intelligent functions are equipped on vehicle-mounted TT/CW/DB screens?
A: All vehicle series integrate built-in GPS positioning module, background system supports region-targeted advertising push, timing brightness adjustment according to sunrise/sunset, remote 4G content update without offline card replacement, real-time device online status monitoring for fleet unified management.
Application & Scenario Selection
Q1: I’m new to LED screens, what are all main product series you manufacture, and what scenarios does each fit?
A: We split all products into 6 major categories with clear positioning based on our catalog:
- Rental & Stage LED (RS/RP/RD): RP/RS for concert, exhibition temporary backdrops; RD interactive dance floor for wedding, live stage touch effects.
- Transparent LED (HT/TF/OM): TF self-adhesive film for small glass shop windows; HT cabinet transparent for mall glass facades; OM outdoor wind-resistant mesh for high-rise building curtain walls.
- Indoor Fixed LED (IF/COB/AIO/PS/PS PRO): IF fine pitch wall screens for office lobbies; COB ultra-high contrast for command centers; AIO foldable all-in-one for conference rooms; PS/PS PRO poster stand screens for retail self-display.
- Outdoor Fixed DOOH (FC/FP/FM/FS): Energy-saving outdoor wall screens for plazas, stadium perimeter, street advertising billboards.
- Creative Custom LED (FL/SF/CZ): FL flexible bendable for curved columns; SF 360° spherical globe for museum landmarks; CZ fully custom irregular shapes (triangle, donut, letter LOGO).
- Vehicle Mounted LED (TT/CW/DB): TT taxi roof top screen; CW car rear transparent window screen; DB delivery tricycle three-sided advertising screen.
Q2: What’s the core difference between rental LED and fixed installation LED screens? How to pick?
A: Rental (RP/RS) adopts die-cast aluminum lightweight cabinets with fast-lock splicing, support repeated disassembly, hanging/stacking, adjustable arc angles, short-term event use. Fixed indoor/outdoor screens (IF/FC/HT) are designed for long-term permanent wall hoisting, focus on low power consumption and long service life, not suitable for frequent transportation.
Choose RP/RS if you run rental company, hold short concerts/exhibitions; choose fixed series for permanent mall, building wall, office long-term display.
Q3: Glass storefront and high-rise building curtain wall both need transparent screens, why TF film, HT cabinet and OM mesh are different options?
A: TF transparent film (2mm thin, self-adhesive) for low-rise small glass windows, no bracket required, easy pasting, semi-outdoor only. HT transparent cabinet (0.8mm thin, 70%-98% transmittance) for shopping mall medium glass facades, stable structure, simple light brackets. OM outdoor mesh hollow structure with 53%-80% transmittance, ultra-low wind load, IP66 full waterproof, specially for over 10-floor high-rise buildings to avoid wind safety risks.
Q4: What creative custom LED solutions are available for mall landmark art installations?
A: Three mature creative lines: FL flexible modules bend to 120° for curved tunnel & cylindrical columns; SF spherical LED realizes full 360° distortion-free globe effect for exhibition centers; CZ fully customized series supports any special outline including donut, trumpet, triangle, brand letter LOGO, we can produce according to your design renderings.
Q5: What vehicle LED screen should I select for taxi fleet advertising vs delivery tricycles?
A: TT series streamlined taxi roof LED with aluminum heat dissipation, IP65 waterproof, GPS fixed-point push for taxi outdoor mobile ads. CW thin transparent rear window screen, no block of driver sight, suitable for private hire cars. DB three-sided enclosed display cabinet for food delivery tricycles, shock-resistant for bumpy road driving.
Q6: What indoor LED is best for conference rooms and government command centers?
A: For regular meeting rooms: AIO foldable all-in-one LED, plug-and-play with built-in speakers, mobile base without installation. For high-end control rooms & monitoring centers: COB HD series with 15000:1 ultra-high contrast, low brightness high gray, anti-collision, redundant power design for 24/7 uninterrupted operation.
