U-Pad-COB
4K/8K Indoor Full Color Led Display
1.High reliability:COB modules, moisture proof, Anti-collision, Scrubable lamp surface ,low power consumption, fast heat dissipation, effectively prolong the service life of the chip;
2.Good consistency ,seamless assemble, available for 2K/4K/8K solutions;
3.Magnetic modular design, it can be mounted to the wall and maintained from front, save space and guarantee worry-free operation of large screen;
4.Constant current drive chip,low power dissipation, uniform light,meet the high refresh rate/contrast ratio/gray level requirements;
5.Support point by point calibration function, insure the color and brightness uniformity of whole screen after assemble, and improve visual performance;
6.160°Ultra large horizontal and vertical viewing angel, Soft and not dazzling image, better visual performance;
7.Widely applied to professional application, such as security monitoring/command and monitor system/conference room/museum/display/industrial design/exhibition, where need HD images.
Commercial Fine-Pitch Indoor LED Video Wall Ultra-HD Display Screen Factory
Architectural Splicing and High-Contrast Visual Solutions for Enterprise Command Centers, Corporate Boardrooms, and Luxury Indoor Advertising Environments
Industrial Scaling: Transitioning from SMD P2 Layouts to Inverted COB Precision
In premium architectural audio-visual design, achieving absolute pixel continuity at short viewing distances is the benchmark for modern system deployment. While engineering firms traditionally specified a standard surface-mount led screen p2 or a legacy p2 5 led display for generic commercial lobbies, close-range command centers and high-end broadcast studios require a tighter pixel density. The Unishine U-Pad-COB series bridges this market shift by providing sub-2mm fine-pitch configurations, empowering integrators to upgrade their legacy p2 led screen blueprints into true seamless 4K and 8K display hubs.
By implementing advanced inverted COB (Chip-on-Board) encapsulation, we bond the micro-LED chips directly onto the multi-layer, high-conductivity PCB substrate. This eliminates the exposed wire bonds typical of a traditional p2 led wall, drastically lowering pixel vulnerability while maximizing color consistency. For global AV engineering partners and distributors looking to source directly from a certified China manufacturer, our fully integrated cleanroom facility delivers the volume and custom flexibility needed to replace outmoded LCD arrays and standard led display screen for advertising indoor layouts with zero structural modification to the building facade.
Unishine Manufacturing Assets and B2B Quality Assurances
- Advanced Infrastructure: All panel sub-assemblies are processed within our 10,000m² dust-free facility, utilizing 18+ high-speed automated SMT production lines to secure precise alignment and eliminate mid-tier markup costs.
- 72-Hour Screen Aging Test: To eliminate dead pixels and ensure uniform thermal dissipation, every finished indoor led video wall array undergoes a compulsory, 72-hour uninterrupted full-panel illumination test before final transport selection.
- Proactive B2B Warranty Framework: Every fine-pitch shipment is backed by a secure 5-year hardware warranty alongside on-demand remote technical engineering support mapped specifically to the North American and European time zones.
Technical Engineering Matrix: High-Density COB vs. Standard Indoor Grids
| Technical Specification | U-Pad 0.93 (Ultra-Pitch) | U-Pad 1.25 (Core Pitch) | U-Pad 1.56 (Standard Fine) | U-Pad 1.87 (Value Fine) |
|---|---|---|---|---|
| Pixel Pitch (mm) | 0.93mm | 1.25mm | 1.56mm | 1.875mm |
| Pixel Density (dots/m²) | 1,137,778 dots/m² | 640,000 dots/m² | 409,600 dots/m² | 284,444 dots/m² |
| Encapsulation Method | Inverted COB Matrix | Inverted COB Matrix | Inverted COB Matrix | Inverted COB Matrix |
| Legacy Upgrade Path | Replaces LCD Video Walls | Upgrades p1 25 led display | Upgrades led screen p2 | Upgrades standard p2 led wall |
| Contrast Ratio | 10,000:1 | 10,000:1 | 10,000:1 | 10,000:1 |
| Refresh Frequency (Hz) | 2880 - 3840 Hz | 2880 - 3840 Hz | 2880 - 3840 Hz | 2880 - 3840 Hz |
| Operating Voltage (V) | DC 2.8V / 3.8V (Common Cathode) | DC 4.2V (Energy Saving) | DC 4.2V (Energy Saving) | DC 4.2V (Energy Saving) |
Overcoming SMD Constraints: IP54 Protective Armor and Front-Access Maintenance
In heavy commercial public spaces, standard surface-mount diode tiles are highly vulnerable to pixel dropping caused by cleaning crews, public contact, and airborne dust settling on the electrical leads. The U-Pad-COB structural architecture bypasses these environmental failures completely through an optically clear resin shield that wraps around the entire panel face. This provides a robust, scrubbable lamp surface that meets strict IP54 ingress guidelines, allowing corporate maintenance teams to safely wipe down the screen surface during regular facility cleanings without causing pixel degradation.
Furthermore, our high-precision die-cast aluminum cabinets feature a fully integrated magnetic modular framework. System builders can implement a direct, flush-to-wall mounting strategy without allocating massive space behind the screen for cooling corridors. Using a simple front-access vacuum extraction tool, an internal power card, a system receiving module, or an individual COB tile can be removed and replaced within 10 seconds. This streamlined maintenance loop eliminates long system downtimes and guarantees worry-free operations across high-traffic led wall indoor positions.
The Direct-View Revolution: High-Transmittance LED Cinema Screen Technology
The premium entertainment, institutional auditorium, and corporate presentation sectors are actively retiring legacy lamp-based projectors in favor of direct-view cinema led screen technology. Standard projectors suffer from ambient light washouts, requiring rooms to be completely dark to resolve text clearly. Our high-transmittance led cinema screen panels emit light natively, providing a deep 4000:1 to 10,000:1 black contrast ratio that brings cinematic master prints to life, even under direct overhead office lighting.
Driven by specialized constant-current processing chips, our 4K and 8K indoor display configurations manage electrical loads uniformly to eliminate the color skewing common in cheaper panels. This high-frequency scanning architecture supports a steady refresh speed up to 3840Hz. Visual assets remain entirely free of scanning line artifacts or moiré ghosting patterns when captured by studio broadcast hardware or standard smartphones, providing an uncompromised digital canvas for premium led display screen for advertising indoor applications.
Technical Specifiers FAQ: Deploying Ultra-HD Indoor LED Display Screen Infrastructure
Q1: Why should an AV integrator choose a native p1 25 led display or COB configuration over a standard led screen p2 setup?
A: The choice comes down to the minimum viewing distance and structural pixel visibility. A standard SMD-based p2 led screen shows distinct pixel grids when viewed closer than 6 feet, which limits its use in corporate boardrooms and control suites. Stepping up to a native p1 25 led display or a micro-pitch COB matrix condenses the pixel density significantly. This creates a completely solid, print-like visual image at close range, while providing a much wider 160-degree horizontal viewing angle that keeps colors accurate for off-axis viewers.
Q2: What prevents thermal damage or color shifting on a high-density led wall indoor installation during 24/7 cycles?
A: High pixel density typically generates substantial heat, which can lead to color shifting and shortened diode lifespan if unmanaged. Unishine resolves this issue through a combination of common-cathode partial voltage power distribution and a dense aluminum corrugated heat sink chassis. By supplying optimized independent voltages to the red, green, and blue diodes, our circuit architecture minimizes excess power waste. This setup drops overall operating temperatures by 15% compared to typical market standards, keeping the panel cool during nonstop 24/7 security monitoring cycles.
Q3: How does point-by-point flash calibration assist wholesalers managing a long-term indoor led display screen inventory?
A: Diodes manufactured across different production lots naturally show slight variances in nit output and color coordinates. Our modular system includes non-volatile flash storage directly on the module board to hold point-by-point brightness and chroma calibration data. When an AV integrator replaces a modular section years down the road, the receiving architecture automatically reads the pre-saved calibration profile. This balances color and brightness across the entire video wall instantly, preserving uniform output without tedious manual tuning.
Q4: Can these fine-pitch COB systems be specified for architectural environments requiring complex curved splicing?
A: Yes. While the standard U-Pad cabinets utilize rigid, high-flatness die-cast aluminum housings for flat walls, our factory engineering team provides comprehensive OEM/ODM design customization. We can adjust internal frame structures, modify cabinet edges, or manufacture bespoke sub-chassis modifications to achieve tight right-angle corner joins or smooth concave architectural curves. This lets you maintain your fine-pitch layout seamlessly across complex interior column wraps or curved broadcast set backdrops.
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U-Pad-COB |
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|
Pixel pitch(mm) |
0.93mm |
1.25mm |
1.56mm |
1.875mm |
|
Pixel density(dots/m²) |
1137778 Dots/㎡ |
640000 Dots/㎡ |
409600 Dots/㎡ |
284444 Dots/㎡ |
|
LED encapsulation |
Inverted COB |
Inverted COB |
Inverted COB |
Inverted COB |
|
Driving method |
- |
- |
- |
- |
|
Resolution of module(dot) |
160*180 Dots |
120*135 Dots |
96*108 Dots |
80*90 Dots |
|
Module size(mm) |
150*168.75mm |
150*168.75mm |
150*168.75mm |
150*168.75mm |
|
Module consumption(W) |
10W |
9W |
9W |
8W |
|
Working voltage(V) |
DC2.8V/3.8V |
DC4.2V |
DC4.2V |
DC4.2V |
|
Max.consumption(W/m²) |
380W/㎡ |
330W/㎡ |
330W/㎡ |
320W/㎡ |
|
Ave.consumption(W/m²) |
120W/㎡ |
110W/㎡ |
110W/㎡ |
110W/㎡ |
|
Brightness(CD/m²) |
300~600CD/m² |
300~600 CD/㎡ |
300~600 CD/㎡ |
550 CD/㎡ |
|
Color temperature(K) |
9300K |
9300K |
9300K |
9300K |
|
View angle(H/V) |
H:160°;V:160° |
H:160°;V:160° |
H:160°;V:160° |
H:160°;V:160° |
|
Refresh rate(Hz) |
2880-3840Hz |
2880-3840Hz |
2880-3840Hz |
2880-3840Hz |
|
Working temperature(℃) |
﹣10~40℃ |
-10~40℃ |
-10~40℃ |
-10~40℃ |
|
Protect degree(F/B) |
IP54 |
IP54 |
IP54 |
IP54 |
|
Grey / scale(bit) |
≥13bit |
≥13bit |
≥13bit |
≥13bit |











