
P1.86 Indoor COB LED Display
Cabinet Size: 600*337.5mm
Module Size: 150*168.75mm
Pixel Pitch: P0.9/P1.25/P1.53/P1.86
High Refresh Rate
High Dust-Proof Level
High Shockproof Level
High Waterproof Level
Product Introduction
P1.86 Indoor COB LED Display equipped with advanced LED technology where the LED chip is directly mounted onto the PCB, creating a solid surface without exposed solder points.
The 1.86mm pixel pitch makes it a suitable choice for medium-sized rooms where both clarity and cost efficiency are important.


Product Features

P1.86 Indoor COB LED Display model can be spliced flexibly, allowing multiple panels to be combined seamlessly into large-scale LED video walls without visible gaps. This makes it particularly well-suited for high-end environments that require big-screen visualization.



Applications and Installations
Commercial Advertising
Ideal for advertising in high-end shopping malls, supermarkets, and transportation hubs. The vivid display with strong contrast captures public attention effectively.
Interior LED Wall
With a slim design and high pixel density, COB screens fit well in indoor environments like hotels, exhibition halls, and retail spaces. They offer vibrant visuals without occupying too much space.
Conference Rooms
Applied for agenda display, speaker introductions, and presentation content. The clear visuals enhance the professional look and communication quality of the event.
P1.86 Indoor COB Display offers a cost-effective balance of resolution and screen size

Magnetic COB LED screen module, easy to maintain, save time and space. The rear dual maintenance channel is designed to save valuable time during installation and maintenance.
LED modules, power supplies, and receiving cards are wirelessly connected to the front maintenance cabinet and modules.
The unique alignment feature ensures that the video wall is aligned seamlessly, with a flatness tolerance of <0.1mm for the screen.

Product Specifications
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Specification |
P0.9375 |
P1.25 |
P1.5625 |
P1.875 |
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COB Module Size (mm) |
150×168.75 |
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Panel Resolution |
640×360 |
480×270 |
384×216 |
320×180 |
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Display Unit Size |
27 inch (600×337.5×32mm) |
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Unit Weight (kg) |
4.2 |
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Circuit Design |
Common Cathode |
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White Balance Brightness (nits) |
600 |
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Refresh Rate (Hz) |
1920–3840 |
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Contrast Ratio |
20000:1 |
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Viewing Angle |
160° Horizontal |
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Input Voltage |
AC 100–240V 50/60Hz |
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Max Power Consumption |
66W/unit; 330W/m² (at 600nits) |
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Certifications |
CCC, CE, FCC, ROHS |
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The Differences between SMD and COB
(1)Pixel Pitch--COB: Typically supports smaller pixel pitches for high resolution and close viewing applications.
SMD: Typically uses a larger pixel pitch and is more suitable for larger displays that are viewed from a distance.
(2)Product Reliability--COB: Fewer solder joints and components in the packaging process may help reduce the risk of failure, depending on overall design and process quality.
SMD: The more solder joints and discrete components, the more sensitive it is to solder quality and PCB layout design.
(3)Optical performance--COB: Direct chip placement allows for better light distribution uniformity and less colour deviation.
SMD: Brightness and colour consistency may vary due to spacing between individual components.

(4)Light quality and thermal management--COB: Greater integration between the light emitting chip and the printed circuit board enhances heat dissipation and reduces light loss.
SMD: Heat build-up and light loss may occur due to package gaps and additional encapsulation layers.

FAQ
Q: What are the ventilation requirements during installation?
A: Ensure that the display cabinet has adequate airflow. Good ventilation supports efficient heat dissipation and prolongs the lifespan of the display.
Q: What is the recommended viewing distance for aP1.86 Indoor COB LED Display?
A: The ideal range is 2–4 meters, ensuring sharp detail without visible pixelation.
Q: What should I do if there is a sudden loss of signal?
A: First, check all signal cable connections and ensure the source device is operating normally.
Q: Can the P1.86 COB screen support 4K splicing?
A: Yes, multiple panels can be seamlessly connected in a 16:9 ratio to achieve 2K, 4K, or even 8K resolution video walls.
Q: How do we guarantee the quality?
A: Seven quality control steps ensure that the screens you order are good:
1). Suppliers are large and well-known companies with long-term cooperation, like Nocastar, Knight.
2). Material inspection by professional workers and machines.
3). Debug each module.
4). 48 hours aging test for all modules before assembly.
5). Test the function of each cabinet after assembly by engineers and machines.
6). Full screen 72 hours aging test before shipment.
7). All details are finally checked again before packing.
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