Shenzhen blueshine technology Co.,ltd
| Size | 1,765 × 615 × 55 |
| Usage | Retail Storefronts, Shopping Malls, Glass Curtain Walls, Exhibitions, Museums, Brand Showrooms, Stage Backgrounds, Events, Banks, Hotels, Building Facades, Car Dealerships |
| Delivery Time | 10-15Days |
| Control System | Novastar Colorlight |
| Payment Terms | T/T |
| Advantage | COB Encapsulation The LED is encapsulated by COB (chip on board), which makes the level of protection up high to IP 65. Waterproof, moisture proof, dustproof, anti-static, excellent acid and alkali resistance. |
| Feature | COB Encapsulation Technology The LED is encapsulated using advanced COB (Chip on Board) technology, which delivers exceptional protection and durability. The module achieves an IP65 rating on the front side, offering complete resistance against water, mois |
| Supply Ability | 10000above |
| Color | Black, Brown, Computer Gray, Gold, Silver |
| Product Name | COB Poster Display Screen |
| Packaging Details | LED modules are packaged in cardboard boxes, rental displays are packaged in flight cases, and regular products are packaged in wooden crates. |
| Certification | CE, CCC, FCC, ETC, CB, EMC, RoHs |
| Model Number | COBP1.875 |
| Place of Origin | China |
| Brand Name | No brand |
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Product Specification
| Size | 1,765 × 615 × 55 | Usage | Retail Storefronts, Shopping Malls, Glass Curtain Walls, Exhibitions, Museums, Brand Showrooms, Stage Backgrounds, Events, Banks, Hotels, Building Facades, Car Dealerships |
| Delivery Time | 10-15Days | Control System | Novastar Colorlight |
| Payment Terms | T/T | Advantage | COB Encapsulation The LED is encapsulated by COB (chip on board), which makes the level of protection up high to IP 65. Waterproof, moisture proof, dustproof, anti-static, excellent acid and alkali resistance. |
| Feature | COB Encapsulation Technology The LED is encapsulated using advanced COB (Chip on Board) technology, which delivers exceptional protection and durability. The module achieves an IP65 rating on the front side, offering complete resistance against water, mois | Supply Ability | 10000above |
| Color | Black, Brown, Computer Gray, Gold, Silver | Product Name | COB Poster Display Screen |
| Packaging Details | LED modules are packaged in cardboard boxes, rental displays are packaged in flight cases, and regular products are packaged in wooden crates. | Certification | CE, CCC, FCC, ETC, CB, EMC, RoHs |
| Model Number | COBP1.875 | Place of Origin | China |
| Brand Name | No brand | ||
| High Light | Advertising Poster LED Screen ，Poster LED Screen High Contrast ，Advertising Poster LED Display | ||
COB Advertising Display Screen
Key features
COB Encapsulation
The LED is encapsulated by COB (chip on board), which makes the level of protection up high to IP 65. Waterproof, moisture proof, dustproof, anti-static, excellent acid and alkali resistance.
Super High Contrast
1,000,000:1 ultra-high contrast ratio gives the perfect HD pictures and images.
Comfortable Viewing Experience
The Led was line listed as forming the area light, making the larger viewing angle and having more comfortable viewing experience.
Module Seamless Splicing
The screen surface is flat as the mirror without any seam. It can be directly wiped by the cloth, easy to be cleaned.
Idler Wheel Design, Easy To Move
Fanless Heat Dissipation, Running Quietly
Intelligent Split Display
Multiple play modes: one screen can play one complete content also can be split several areas to play different contents.
| Parameter | P1.875 | P1.5625 | P1.25 | P0.9375 (Common Cathode) |
|---|---|---|---|---|
| Pixel Pitch (mm) | 1.875 | 1.5625 | 1.25 | 0.9375 |
| Pixel Density (dots/m²) | 284,444 | 409,600 | 640,000 | 1,137,778 |
| Pixel Configuration | 1R1G1B | 1R1G1B | 1R1G1B | 1R1G1B |
| Scanning Mode | 30S | 30S | 30S | 30S |
| Pixel Alignment (H×W) | 30 × 80 | 30 × 80 | 30 × 80 | 30 × 80 |
| Module Size (H×W mm) | 56.25 × 150 | 56.25 × 150 | 56.25 × 150 | 56.25 × 150 |
| Display Resolution (H×W dots) | 720 × 320 | 720 × 320 | 720 × 320 | 720 × 320 |
| Display Size (H×W×TH mm) | 1,765 × 615 × 55 | 1,765 × 615 × 55 | 1,765 × 615 × 55 | 1,765 × 615 × 55 |
| Total Weight (kg) | 36 | 36 | 36 | 36 |
| Display Colors Available | Black, Brown, Blue, Yellow, Green, White, Red, Purple, Orange, Pink, Gray | Black, Brown, Blue, Yellow, Green, White, Red, Purple, Orange, Pink, Gray | Black, Brown, Blue, Yellow, Green, White, Red, Purple, Orange, Pink, Gray | Black, Brown, Blue, Yellow, Green, White, Red, Purple, Orange, Pink, Gray |
| Power Supply Mode | AC110V~220V ±10% | AC110V~220V ±10% | AC110V~220V ±10% | AC110V~220V ±10% |
| Max. Power Consumption (W/m²) | ≤550 (after calibration) | ≤550 (after calibration) | ≤550 (after calibration) | ≤550 (after calibration) |
| Avg. Power Consumption (W/m²) | ≤175 (after calibration) | ≤175 (after calibration) | ≤175 (after calibration) | ≤175 (after calibration) |
| Horizontal Viewing Angle | >170° | >170° | >170° | >170° |
| Vertical Viewing Angle | >170° | >170° | >170° | >170° |
| Color Temperature (K) | 3,000 – 9,000 | 3,000 – 9,000 | 3,000 – 9,000 | 3,000 – 9,000 |
| Luminance (cd/m²) | 300 – 1,000 | 300 – 1,000 | 300 – 1,000 | 300 – 1,000 |
| Contrast Ratio | 1,000,000:1 | 1,000,000:1 | 1,000,000:1 | 1,000,000:1 |
| Refresh Frequency (Hz) | 3,840 | 3,840 | 3,840 | 3,840 |
| Gray Scale (bit) | 16 – 22 | 16 – 22 | 16 – 22 | 16 – 22 |
| Working Temperature (°C) | -20 ~ +60 | -20 ~ +60 | -20 ~ +60 | -20 ~ +60 |
| Working Humidity (% RH) | 10 – 90 | 10 – 90 | 10 – 90 | 10 – 90 |
| Lifespan (hours) | 100,000 | 100,000 | 100,000 | 100,000 |
| Signal Input | LAN / WiFi | LAN / WiFi | LAN / WiFi | LAN / WiFi |
| Operating System | Android | Android | Android | Android |
| Image Format Support | BMP, JPG, PNG | BMP, JPG, PNG | BMP, JPG, PNG | BMP, JPG, PNG |
| Video Format Support | AVI, MP4, RW | AVI, MP4, RW | AVI, MP4, RW | AVI, MP4, RW |
| Other Signal Interfaces | VGA, DVI, HDMI, SDI | VGA, DVI, HDMI, SDI | VGA, DVI, HDMI, SDI | VGA, DVI, HDMI, SDI |
| Certifications | CCC, CE, UL | CCC, CE, UL | CCC, CE, UL | CCC, CE, UL |
| Packaging Options | Flight Case / Carton | Flight Case / Carton | Flight Case / CartonFlight Case / Carton |
1. What is COB encapsulation?
COB (Chip on Board) is an advanced LED packaging technology where the LED chips are directly bonded onto the circuit board and encapsulated as a single integrated module. Unlike traditional SMD (Surface-Mount Device) technology where individual LED beads are soldered onto the PCB one by one, COB integrates multiple chips into a unified package, providing superior protection and performance.
2. What are the advantages of COB encapsulation?
COB technology offers several key advantages over traditional LED packaging methods:
Waterproof (IP65 rated) – The integrated encapsulation seals the LED chips completely, preventing water ingress even in humid environments.
Moisture-proof – The sealed design effectively protects against moisture damage, ensuring stable performance in varying humidity conditions.
Dustproof – The smooth, sealed surface prevents dust accumulation on the chips, maintaining consistent brightness and clarity over time.
Anti-static – The encapsulation provides effective electrostatic discharge protection, reducing the risk of chip damage during handling and operation.
Acid & alkali resistance – The protective layer resists corrosion from acidic or alkaline substances, making the display suitable for a wide range of environments.
Enhanced durability – The COB module is highly resistant to impact and pressure, with no exposed solder joints that could be damaged by physical contact.
Superior heat dissipation – Direct chip-to-board contact allows for more efficient thermal management, extending the lifespan of the display.
Higher pixel density – COB technology enables finer pixel pitches, supporting ultra-high-definition display applications.
3. What is the difference between a point light source and a surface light source?
| Feature | Point Light Source (Traditional SMD) | Surface Light Source (COB Technology) |
|---|---|---|
| Light Emission | Light emitted from individual discrete LED beads, creating visible "dot" patterns | Light emitted from an integrated, uniform area light source, resembling a smooth, continuous surface |
| Viewing Angle | Narrower viewing angle – image quality degrades when viewed from the sides | Ultra-wide viewing angle (>170°) – consistent clarity from any angle |
| Visual Comfort | Glare and "hot spots" are more noticeable, causing visual fatigue over prolonged viewing | Smooth, even light distribution – comfortable for extended viewing sessions |
| Image Quality | Visible pixel grid may be apparent, especially at close distances | Seamless, uniform image with no visible pixelation – smoother color transitions |
| Anti-Glare | More susceptible to glare and reflection | Better anti-glare performance due to the uniform light-emitting surface |
| Applications | Suitable for general indoor/outdoor signage | Ideal for close-up viewing, high-end conferences, retail displays, and environments where visual comfort is critical |
4. Why is COB better for indoor poster displays?
COB technology is particularly well-suited for indoor poster displays because:
The surface light source eliminates pixelation and provides a more natural, paper-like viewing experience
The ultra-wide viewing angle (>170°) ensures clear visibility from anywhere in the room
The seamless splicing creates a smooth, professional appearance without visible gaps between modules
The anti-glare and uniform light distribution make it comfortable for extended viewing periods, ideal for lobbies, conference rooms, and retail spaces
The IP65 front protection allows for easy cleaning – simply wipe with a cloth
5. What is the lifespan of a COB display?
The lifespan of our COB display is 100,000 hours to half-brightness, which is approximately 10-11 years of continuous operation. This is due to the superior heat dissipation and robust encapsulation that protect the LED chips from environmental damage.
6. Is the COB display easy to maintain?
Yes. The module surface is flat and seamless, making it easy to clean – simply wipe with a soft cloth. Additionally, the front-maintenance design allows for quick module replacement without dismantling the entire structure.
7. What content formats does the COB poster display support?
Image Formats: BMP, JPG, PNG
Video Formats: AVI, MP4, RW
Playback Modes: Single complete content display or split-screen for multiple contents simultaneously
8. How is the COB poster display controlled?
The display features an Android-based operating system with flexible connectivity options including LAN and WiFi, allowing for easy content management via smartphone, tablet, or computer.
9. What is the contrast ratio of the COB display?
The COB poster display achieves a contrast ratio of 1,000,000:1, delivering deep blacks, bright whites, and vivid colors for stunning image quality.
10. What are the available color options for the display frame?
The display is available in five stylish colors to match different interior designs:
Workshop aging test
Black
Brown
Computer Gray
Gold
Silver
Company Details
Business Type:
Manufacturer
Year Established:
2015
Employee Number:
300~350
Ecer Certification：
Verified Supplier
Factory Strength – Why Choose Us 1. Advanced Manufacturing Capabilities As a professional LED display manufacturer, we operate a modern production facility equipped with industry-leading machinery. Our factory features fully automated SMT assembly lines with high-precision placement eq... Factory Strength – Why Choose Us 1. Advanced Manufacturing Capabilities As a professional LED display manufacturer, we operate a modern production facility equipped with industry-leading machinery. Our factory features fully automated SMT assembly lines with high-precision placement eq...
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