Skip to content
wikiLED
1.25 mm pitchIndoorCOB

Sharp LD-EC121-U specs

Built to last, designed to inspire. Combining remarkable energy-efficiency with outstanding imaging performance, the LD-EC Series delivers all the benefits of advanced COB technology at a compelling price-performance ratio.

Sharp LD-EC121-U LED cabinet

Physical

Pixel pitch
1.25 mm
Cabinet size (W×H×D)
4,812 × 2,712 × 48 mm
Weight
330.6 kg
Weight per m²
25.3 kg/m²
Cabinet type
Fixed install
Service access
Front

Image

Cabinet resolution
3,840 × 2,160 px (16:9)
Pixel density
635,579 px/m²
Brightness (calibrated)
600 nits
Refresh rate
3,840 Hz
Contrast
10,000:1
Viewing angle (H/V)
160° / 140°
LED type
COB
Processing depth
14 bit

Power & thermal

Max power
3,264 W
Average power
1,856 W
Max power per m²
250 W/m²
Average power per m²
142 W/m²
Thermal load
11,137 BTU/h per cabinet

Environment

Rated for
Indoor
IP rating (front)
IP40
IP rating (rear)
IP20
Operating temperature
-10 to 40 °C
LED lifetime
100,000 h
Certifications
CE, ETL, FCC Class A, RoHS, UKCA

Manufacturer details

Layout
8x8
Warranty
2 years
Scan rate
1/60 dynamic scan
Module model
LD-EC121
Product kind
bundle
Video inputs
1 x HDMI
Product group
1.2mm UHD COB 217" dvLED display kit
Site category
US catalogue
Active area mm
4800 x 2700
Cabinet material
Aluminum Cabinet
Color temperature
3000-9500 K
Frame overhead mm
12 x 12
Module dimensions
600 x 337.5 x 27.4 mm
Module resolution
480x270
Contrast published
10000:1
Display resolution
3840x2160
Lifetime published
100000 hrs (50% brightness)
Grayscale published
14 bit
Pixel configuration
FlipChip COB (0407)
Brightness published
600 cd/m² typical / 660 cd/m² maximum
Refresh rate published
≤ 3840 Hz

All variations in the LD-EC series

All Sharp cabinets →

Every Sharp LD-EC series cabinet and the exact pitch, size and brightness pairing it ships with.

Controllers that drive this panel

All controllers →

Each cabinet carries 8,294,400 px, so a controller's port budget and total capacity decide how much wall it drives. Its receiving card is not published — confirm the control ecosystem with your supplier before ordering.

Counts assume one cabinet per port-chain hop at 60 Hz / 8-bit. Open Sharp LD-EC121-U in the calculator to lay out the real chains and validate them.

Design a wall with this panel

Frequently asked

How much power does the Sharp LD-EC121-U draw?
Each Sharp LD-EC121-U cabinet draws up to 3,264 W at full white and about 1,856 W with typical content — 250 W/m² max. A 10-cabinet wall therefore needs up to 32,640 W plus headroom.
What is the resolution of the Sharp LD-EC121-U?
One cabinet is 3,840 × 2,160 pixels at a 1.25 mm pixel pitch (635,579 px/m²). About 1 cabinets side by side reach 4K width (≈ 4.81 m).
How heavy is a Sharp LD-EC121-U wall?
A single cabinet weighs 330.6 kg (25.3 kg/m²). A 5 × 3 wall of 15 cabinets weighs about 4,959 kg before mounting structure.
Is the Sharp LD-EC121-U suitable for outdoor use?
No — the Sharp LD-EC121-U is an indoor cabinet (IP40 front). Its 600 nits suit controlled lighting, not direct sun.

Size a wall with the LD-EC121-U

Dimensions, resolution, power, weight and a validated wiring diagram — free, no account needed.