What Is COB Tri-Fold LED Poster Screen?
COB tri-fold LED poster screen, also known as three-fold foldable LED display, is a new generation portable commercial LED signage. It adopts a three-panel hinged mechanical structure. When fully unfolded, it works as a seamless wide LED wall. After folding, it turns into compact dual-sided digital poster for easy transport and storage.
Unlike traditional fixed LED walls or ordinary SMD poster screens, this product combines fold mechanical structure and advanced COB packaging technology. It solves common pain points: heavy weight, complicated installation, fragile lamp beads and difficult transportation for mobile event displays.
COB Technology Explained: Why COB For Tri-Fold LED Poster
COB (Chip On Board) packages multiple LED chips directly on the PCB substrate, with integrated surface protection. Comparing to conventional SMD or GOB packaging, COB brings three core advantages for foldable poster screens:
- Higher contrast & better image quality: Flat panel surface, no convex lamp beads, delivering uniform picture and deep black level.
- Strong impact & scratch resistance: Perfect for frequently moved screens in exhibitions and retail stores.
- Moisture & dust resistance: Stable performance with lower failure rate under frequent folding and handling.
As a LED display source factory, JERYO selects industrial-grade COB modules for our tri-fold series, with full quality inspection before delivery.
Structure & Working Principle of Tri-Fold LED Poster
The screen consists of three connected LED panels with sturdy aviation aluminum frame.
- Unfold mode: single large seamless display for brand backdrop and presentation.
- Folded mode: compact dual-sided poster, two sides can play different ads independently.
- Plug-and-play design, no professional installation required. Built-in wheels make position shifting easy.
Pixel pitch options include P1.25, P1.53, P1.86, P2.0, P2.5. JERYO supports customized size and brightness for indoor commercial scenarios.
Typical Application Scenarios
COB tri-fold LED poster screens are widely used for mobile commercial display:
- Exhibition booth & trade show backdrop
- Retail store, shopping mall digital signage
- Hotel lobby, conference & roadshow events
- Pop-up store, brand promotion and press release
Its lightweight foldable design greatly cuts shipping and setup cost for event rental companies and brand marketers.
JERYO: Source Factory Advantage for COB Tri-Fold LED Screen
JERYO is a professional LED display manufacturer located in Shenzhen, China. We keep full range of LED display models including COB tri-fold poster screen, transparent LED, rental LED, curved LED and COB folding series.
Our factory strengths:
- In-house R&D, mold development and module production, no middleman markup.
- Complete pixel pitch selections, support OEM & ODM custom service.
- Full testing before shipment, CE, RoHS, FCC compliant for global export.
- Global after-sales support, technical document and remote control guidance provided.
We serve event rental firms, advertising agencies, retail brands and system integrators worldwide.
How To Choose COB Tri-Fold LED Poster Screen
Before purchasing, evaluate these key factors:
- Viewing distance: Select smaller pixel pitch for close viewing.
- Brightness requirement: Standard indoor 600–800 cd/m²; high brightness optional for bright ambient space.
- Working frequency: Frequent moving scenarios strongly recommend COB version for better durability.
- Content management: Wireless WiFi content update, USB offline playback are standard options.
Contact our engineering team to get tailored quotation and technical drawing.
FAQ
Q1: What is difference between COB and GOB tri-fold LED poster?
COB chips are directly bonded on PCB with integrated protection, better anti-collision and contrast. GOB adds glue layer on SMD lamp beads, lower cost for basic use.
Q2: Can I use COB tri-fold LED screen outdoor?
Standard COB tri-fold poster is designed for indoor use. We can customize high brightness and waterproof version upon request.
Q3: Does JERYO accept small batch order?
Yes. As LED source factory, we support sample, small batch and bulk wholesale orders.
