PH1.25 COB led display
small pitch LED display
PH1.25COB-LED Video Wall
COB small pitch LED screens with PH1.25 pixel pitch have become mainstream upgrades for university multi-functional halls, faculty conference rooms and campus exhibition spaces. The 1.25mm pixel pitch delivers 640,000 pixels per square meter, matching the optimal viewing distance of 2–15 meters for indoor education venues.
Standard technical indicators required by education clients include brightness ≥500 nits, 3840Hz high refresh rate, 160° wide horizontal & vertical viewing angle, stable operation within 0℃–40℃ indoor temperature, and anti-collision COB packaging to adapt to high-traffic campus environmentsSoundking.
Product: Indoor PH1.25 small pitch LED display screen, COB display screen,
Indoor large conference room LED display screen
Location: Yantai, China
Area: 12 square meters * 4 pieces
The LED video wall has characteristics such as seamless, high brightness/contrast, ultra-wide viewing angle, and accurate color reproduction, which provides a strong overall feeling and excellent visual effects.
1. Small pitch LED full-color display screen;
2. Pixel pitch: 1.25mm;
3. Encapsulation brand: domestic copper wire;
4. Cabinet ratio:16:9 Die Cast Aluminum
5. Pixel structure: LED chip on board (COB) three-in-one;
6. Cabinet resolution: 600*337.5*29mm
7. Pixel density:640,000 dots/㎡;
8. Optical parameters: screen brightness ≥500cd/㎡, color temperature: 3000K-10000K adjustable, horizontal and vertical viewing angle 160°, recommended viewing distance: 1.25m, brightness uniformity ≥97%, maximum contrast ratio ≥3500:1; refresh rate: 3840Hz;
9. Electrical parameters: peak power consumption 500W/㎡, average power consumption 150W/㎡, power supply requirement 110~220VAC±15%;
10. Working temperature range 0-40℃, storage temperature range -10-50℃, working humidity range (RH) without condensation 10-60%, storage humidity range with packaging (RH) without condensation 10-70%;
11. Functional features: support arbitrary direction, arbitrary size, arbitrary shape splicing, uniform and consistent picture, no black lines, realizing true seamless splicing;
12. Maintenance method: fully front maintenance, the lamp board power supply and receiving card are maintained in the front;
COB led screen Application scenarios: suitable for display scenes such as monitoring centers, command centers, conference rooms, report halls, exhibition halls, etc.
Key Client Pain Points
Original projection equipment has low contrast; text and formula details fade under ceiling lamp lighting, affecting students sitting at the back.
Frequent hybrid teaching and remote academic exchange require seamless 4K signal input and multi-screen synchronous playback.
High student flow in conference rooms leads to accidental bumps; conventional SMD LED modules are prone to dead lamp damage from collision.
Multiple conference rooms need unified control; staff expect one-stop remote content management without repeated on-site debugging.
Custom PH1.25 COB LED Display Solution
We delivered four sets of indoor PH1.25 COB small pitch LED video walls with full standardized parameter configuration matching campus working conditions:
Core Product Technical Specifications
- Model: Indoor PH1.25 COB small pitch LED screen
- Pixel pitch: 1.25 mm
- Pixel density: 640,000 dots/㎡
- Pixel composition: 1R1G1B flip-chip COB packaging
- Single screen area: 12 sq.m, total 4 sets
- Standard brightness: 500–800 nits adjustable
- Refresh rate: 3840 Hz
- Contrast ratio: ≥3500:1
- Viewing angle: 160° horizontal & vertical
- Operating temperature: 0℃ ~ 40℃
- Cabinet material: fully enclosed die-cast aluminum with front maintenance design
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