With the rapid development of digitalization today, display technology is changing with each passing day. From traditional LCD and OLED to the advanced LED display technology today, every innovation has brought a qualitative leap in our visual experience. Among them, All in One COB LED wall has become a star product in the high-end display.
Are you looking for 146-inch All in One COB LED walls? Doitvision will introduce you to the details.
What is All-in-One COB LED Wall?
All-in-One COB LED Wall is an integrated HD display system. It usually comes pre-installed with a control system, power supply, audio, bracket and operating system, so users can achieve “plug and play” without installing complex equipment separately. The COB packaging technology is to directly solidify multiple LED chips on the PCB board. The COB screen has multiple advantages such as high contrast, high brightness, anti-collision, moisture and dust resistance.
Compared with traditional SMD LED screens, COB technology has finer pixels and is more suitable for small pitch applications. The All-in-One structure makes deployment more flexible,so that it is often used in integrated conference screens, exhibition hall demonstration screens, home high-end theaters and other fields.
Advantages of All-in-One COB LED Wall
Ultra-high-definition display experience
With extremely small pixel pitch (such as less than 0.6mm), 4K or even 8K resolution can be easily achieved.
Integrated design, easy installation
Contains power supply, processor, audio and bracket system. Users do not need to purchase additional peripherals, plug and play, greatly saving deployment time and cost.
High reliability and durability
COB packaging has stronger moisture resistance, dust resistance and oxidation resistance, high surface flatness and strong collision resistance.
Energy saving and silent
No fan heat dissipation is required, the overall energy consumption of the system is low,. It is suitable for quiet indoor environments,such as conference rooms or home theaters.
No seams, visual integration
The display effect after overall splicing has no obvious borders and seams, the picture is highly complete, and the visual immersion is stronger.
Application:
- Corporate conference room: Replace projection equipment to enhance the visual effect and interactive experience of the meeting.
- Command center: High-definition, real-time display of various monitoring data and information to improve information processing efficiency.
- High-end retail stores: It is Used for product promotion, brand image display, and attracting customer attention.
- Home theater: Large-size immersive 4K picture quality to create a private IMAX.
- School/training center: Used for interactive teaching and multimedia presentations to improve teaching efficiency.
146 inch COB wall to achieve 4K effect: How to choose the pitch?
4K resolution refers to 3840 pixels horizontally and 2160 pixels vertically. If you want to achieve 4K display on a 146-inch display wall, the following conditions must be met:
| Pixel Pitch | 4K Supported | Recommended Use |
|---|---|---|
| 0.62mm | ✅ Yes | High-end exhibitions / Control centers |
| 0.78mm | ✅ Recommended! | Corporate meetings / Home theater |
| 0.93mm | ❌ Almost, but not quite | Medium-level clarity needs |
| 1.25mm+ | ❌ No | Entry-level / Budget-sensitive applications |
146 inches is the diagonal length, 16:9 ratio:
Width ≈ 127.4 inches (3236 mm)
Height ≈ 71.6 inches (1819 mm)
Assuming the pixel pitch is 0.78mm, then:
Horizontal pixels = 3236 mm / 0.78 mm ≈ 4148
Vertical pixels = 1819 mm / 0.78 mm ≈ 2332
Meet the 4K standard (3840×2160)!
Therefore, if you want to achieve 4K display, we recommend using a pixel pitch of 0.78mm or smaller, such as 0.62mm and 0.78mm, while a pixel pitch of 0.93mm or above will not be able to fully display 4K resolution.
Number of cabinets required for different pixel pitches
Assuming the cabinet size is 23.6″ x 13.26″ as an example:
The size of each cabinet is:
Width = 23.6 inches (about 600 mm)
Height = 13.26 inches (about 337 mm)
The total display area is 146 inches, 16:9, the actual display size is:
Width ≈ 127.4 inches (3236 mm)
Height ≈ 71.6 inches (1819 mm)
Calculation method:
Number of horizontal cabinets ≈ 3236 mm / 600 mm ≈ 5.4 (take 6)
Number of vertical cabinets ≈ 1819 mm / 337 mm ≈ 5.4 (take 6)
Total number of cabinets required ≈ 6 × 6 = 36 cabinets
However, in practice, the cabinets sizes of different LED display manufacturers are different, so the number required is also different.
146” vs 135” vs 162” : Which Size is Best?
| Size | Typical Use | Price Range |
|---|---|---|
| 135 inch | Small meeting rooms | $18,000 – $28,000 |
| 146 inch | Standard conference rooms | $25,000 – $40,000 |
| 162 inch | Large boardrooms | $35,000 – $55,000 |
Recommendation:
- Choose 135” if space is limited
- Choose 146” for most standard business use
- Choose 162” for premium large-scale environments
COB vs LCD vs SMD: Which One Should You Choose?
When choosing a display solution, many buyers compare COB LED with LCD video walls and traditional SMD LED displays.
COB LED vs LCD Video Wall
- Seamless Display: COB has no bezels, LCD has visible gaps
- Brightness: COB is much brighter, suitable for various lighting conditions
- Lifespan: COB lasts longer (up to 100,000 hours)
- Maintenance: COB is more durable and impact-resistant
Best for: high-end meeting rooms, control centers
COB LED vs SMD LED
- Pixel Pitch: COB supports ultra-fine pitch (<1mm)
- Protection: COB is more resistant to dust, moisture, and impact
- Image Quality: Higher contrast and better color uniformity
Best for: premium indoor applications
Conclusion:
- Choose COB for premium quality and long-term reliability
- Choose LCD for low-budget, small-size projects
- Choose SMD for mid-range commercial applications
How much does 146-inch All-in-One COB LED Wall cost?
Fine pitch COB LED (≤P0.7) prices are usually in the range of $2,500 – $5,000/㎡, and even higher for high-end brands; medium pitch (P1.0 – P1.5) prices are in the range of $1,200 – $2,400/㎡; relatively coarse pitch (≥P1.8) prices can be as low as $1000 – $2,000/㎡
If you want to know the 146-inch COB all-in-one price, we can estimate it based on the area:
According to the 16:9 ratio, the 146-inch diagonal corresponds to a width of about 3.234 m and a height of about 1.817 m, with a total area of ≈3.234 m×1.817 m≈5.876 ㎡.
| Pixel Pitch | Resolution (Approx.) | 4K Support | Price Range (Total) | Notes |
|---|---|---|---|---|
| 0.62mm | 7680×4320 | ✅ | 35,000–50,000 | Ultra-High Density, Professional Grade |
| 0.78mm | 6144×3456 | ✅ | 25,000–40,000 | High Density, Suitable for Conferences/Exhibition Halls |
| 0.93mm | 5120×2880 | ❌ | 15,000–25,000 | Medium-High Density, Commercial Displays |
| 1.25mm | 3840×2160 | ❌ | 10,000–18,000 | Standard Density, Basic Commercial Use |
| 1.5mm | 3200×1800 | ❌ | 8,000–15,000 | Budget-Friendly, Large-Scale Advertising/Information Display |
| 1.87mm | 2560×1440 | ❌ | 6,000–12,000 | Low Density, Long-Distance Viewing |
Note:
✅ Price includes:
- Display screen
- Control system
- Integrated structure
- Installation and debugging services, etc.
🚫 Not included:
- Remote control system
- Exclusive bracket (customizable)
- Transportation costs to remote areas
If you choose Doitvision, Unilumin, and other international high-end brands , the price will may also increase by 10-20%. Don’t worry, you can contact us and we will give you a better price.
146-inch COB LED Wall: Detailed Configuration & Price Packages
To simplify your procurement decision, we have designed three standard configuration packages for the 146-inch All-in-One COB LED Wall. All packages are based on the recommended P0.78mm. Prices are for reference.
| Package | What's Included | Target Price (FOB) |
|---|---|---|
| Essential Edition | 146" P0.78mm 4K Display, Integrated Control Box (Android OS), Wall Mount Bracket, Standard On-site Installation & Commissioning | 25,000–29,000 |
| Business Pro Edition (Recommended) | Everything in Essential, plus: 20-point Infrared Touch Overlay, Built-in Dual 15W Speakers, Wireless Screen Mirroring Dongle, Upgraded Anti-glare Surface | 29,000–35,000 |
| Executive Suite Edition | Everything in Business Pro, plus: OPS Slot with pre-installed Windows 11 i7 Module, Detachable Floor-standing Mobile Stand, 4K AI Auto-framing Camera, Beamforming Microphone Array | 36,000–42,000 |
What makes up the price?
Our quotation is transparent and includes the LED modules, control system, power supply units, internal cabling, mechanical structure, and factory pre-configuration. Optional costs such as custom-branded boot animation, exclusive flight case packaging, and express air freight.
Real-World Total Cost of Ownership (TCO) Comparison:
When you present a purchase proposal internally, you are not just comparing products; you are comparing long-term value. For a 30-square-meter executive boardroom, here is TCO.
| Cost Factor | Traditional High-End Projector + Motorized Screen | Doitvision 146" 4K COB All-in-One |
|---|---|---|
| Initial System Purchase | $12,000 (Projector, screen, control cabling) | $32,000 (Business Pro Package) |
| Audio System Integration | $5,000 (Ceiling speakers, amplifier, mics) | Included |
| Lamp Replacement (Every 2 Years) | 2,000(2,000(500 per lamp x 4 replacements) | $0 (No consumable lamps) |
| Annual Energy Consumption | 480(480(40/month) | 360(360(30/month, fanless low-energy design) |
| Maintenance & Recalibration | $1,200/year | $0 (Factory-sealed COB surface, no recalibration needed) |
| Room Downtime & Ambient Light Issues | High (must dim lights, window blinds required) | None (800 nits brightness, works under full office lighting) |
| 5-Year Total Estimated Cost | $28,580 | $33,800 |
| Daily Meeting Experience | Fading focus, speaker shadow on screen, audible fan noise | Crisp 4K, seamless collaboration, silent, always ready |
Conclusion: For an additional investment of roughly $1,000 per year, you upgrade from a dim, high-maintenance projection setup to a stunning, daylight-readable 4K centerpiece that signals your company's commitment to innovation. The productivity gain and professional brand image alone justify the marginal difference.
Why Global Enterprises Choose Doitvision Over Samsung & LG
The 146-inch all-in-one COB LED category has several strong players. We welcome transparent comparison.
| Specification | Doitvision 146" COB P0.78 | Samsung (Equivalent IAC Series) | LG (Equivalent LED All-in-One) |
|---|---|---|---|
| Native 4K Support | Yes (P0.78) | Yes (requires specific model) | Yes (requires specific model) |
| Typical Volume Price Level | 25,000–25,000–42,000 | 45,000–45,000–65,000 | 42,000–42,000–58,000 |
| Maintenance Mode | Full Front Service | Front Service | Front Service |
| Operating System | Android 11 / Optional Windows OPS | Proprietary Tizen / Optional Windows | webOS / Optional Windows |
| Integrated Audio | Dual Stereo (Standard) | Optional External Soundbar | Optional External Soundbar |
| Touch Interaction | IR Touch, ±2mm accuracy (Available) | IR Touch (Available at added cost) | IR Touch (Available at added cost) |
| Customization Flexibility | High (Logo, Boot Animation, Frame Color, Interface) | Limited | Limited |
| Shipment Lead Time | 15-25 business days | 30-45 business days | 25-35 business days |
| Warranty | 3 Years Standard | 3 Years | 2-3 Years |
Doitvision's advantage is clear: we eliminate the brand premium and pass the savings onto you while delivering an install-ready, fully customized integrated LED TV backed by responsive direct-from-manufacturer support.
Doitvision All-in-One COB LED Wall Solution
DOIT VISION-COB All in one LED TV-banner
Doitvision is a professional LED display solution provider. We provide standardized All-in-One COB all-in-one wall and customized solutions.
- True 4K display, support 0.78mm/0.62mm small pitch;
- All-in-one integration: built-in control card, Android/Windows system, audio, Wi-Fi, Bluetooth;
- Wall-mounted/floor-standing optional, suitable for different scenarios;
- Intelligent system: support wireless projection, remote management, voice control;
- Modular maintenance: support front maintenance, easy maintenance and replacement;
- High contrast anti-glare design, adapt to various light environments.
- Typical customer groups include government conference rooms, large chain retail, overseas high-end villa cinemas, etc.
Doitvision COB All-in-One LED TV
Portable | High-Definition | Interactive | All-in-One Solution
Superior Visual Quality
The Doitvision COB All-in-One LED TV will bring outstanding visual experience. It supports the wide DCI-P3 color gamut, true-to-life color reproduction. With high brightness and fine pixel pitch, viewers can comfortably stand close to the screen without noticing individual pixels. It is perfect for conference rooms, classrooms, and command centers.
Interactive Touch Control
Equipped with highly precise infrared touch technology, this display enables smooth, accurate interactions. With a touch accuracy of ±2mm, it supports natural writing and gesture controls, making meetings and presentations more dynamic and efficient.
Multiple Sizes Available
The COB All-in-One LED display comes in three standard sizes:
108”
135”
162”
Each configuration is designed to deliver Full HD or 2K resolution:
- P1.5mm pixel pitch: 5 modules for 2K resolution
- P1.8mm pixel pitch: 6 modules for 2K resolution
Seamless Multi-Screen Display
Experience collaborative work like never before with multi-screen display support. The system allows wireless screen mirroring from Windows, Mac OS, iOS, and Android devices. It also can be up to four screens simultaneously.
Integrated Smart Control System
Built with an Android 11.0 system, the COB wall includes a full set of input and output ports and supports external devices such as cameras, microphones, and other peripherals. It also features:
- Dual-channel stereo audio
- Optional dual operating systems: Android + Windows
- Easy remote management and control
Conclusion
If you are looking for a plug-and-play high-end large-screen solution. Whether it is for conferences, exhibitions, or home entertainment, All-in-One COB LED display Wall is a good choice. As a mature solution provider, Doitvision can provide you with more stable quality guarantees.
If you need a detailed plan and quotation for the 146-inch COB all-in-one machine, please contact us.
Breaking the boundaries of the flat screen allows for unprecedented spatial experiences. Whether it's a gaming kiosk or a massive architectural pillar, if you have an unconventional idea, don't let standard hardware specifications limit you. The engineering exists to build it.
The Author
Kris Liang
Founder & Lead Engineer, DOIT VISION
With nearly two decades of experience bridging Shenzhen's manufacturing capabilities with Western architectural needs, Kris specializes in translating complex visual concepts into reliable, deployable hardware. He is passionate about structural engineering and high-reliability AV solutions.
[email protected]