From bright P5/P6 video walls and indoor signage to gaming keyboards and decorative light curtains, modern LED application scenarios all depend on one thing: a compact, full-color pixel that stays reliable and consistent. This article explores where that matters most, and it puts the spotlight on a single model—the 2121 RGB LED Chip (2020 SMD multi color LED).
As displays move to finer pitches, the pixel itself must shrink. A true 2121 rgb led chip packs red, green and blue emitters into a body of only 2.1 × 2.1 × 0.95 mm, so panels can achieve tighter resolution and smoother images while keeping power and heat in check. That combination of small size and rich color is exactly what modern displays demand.
Built on a rugged 2.1 × 2.1 × 0.95 mm package and driven at just 10 mA per channel, this 2020 smd rgb led blends red at 620–635 nm, green at 515–525 nm and blue at 460–473 nm to produce millions of colors. With San’an / Epistar chips and a low 60 mW dissipation, it is built for continuous, color-accurate operation in demanding display duty cycles.
| Parameter | Value |
|---|---|
| Package / size | 2121 (2020), 2.1 × 2.1 × 0.95 mm |
| Emitting color | RGB full color |
| Wavelength | R 620–635 / G 515–525 / B 460–473 nm |
| Luminous intensity | 180 / 600 / 120 mcd |
| Forward voltage | 1.8–2.4 / 2.8–3.4 / 2.8–3.4 V |
| Forward current | 10 mA |
| Power dissipation | 60 mW |
| Viewing angle | 120° |
| Lifespan | 50,000 hours |
| Packaging | 5000 pcs/reel, reel + anti-static bag |
In fine-pitch displays, every tenth of a millimetre counts. The 2020 size lets designers raise pixel density for sharper text and smoother gradients, while the 120° beam angle keeps colour consistent even when viewed off-axis—critical for large indoor screens and outdoor walls where audiences view from many angles. Low attenuation means the panel holds its colour balance over years of running.
Beyond the 2121/2020, our multi color SMD range spans 1515, 3535 and 0603 RGB formats, plus 5050 and 5054 RGBW options that add a white channel for true-white mixes. Whatever the pitch, brightness or power budget, there is a matching pixel for the job—so a single supplier can cover an entire display or lighting project.
Established in 2005, Dongguan Lanjin Optoelectronics Co., Ltd. (东莞市蓝晋光电有限公司) is a professional manufacturer of light-emitting diodes, SMD LEDs, through-hole LEDs, LED digital displays and LED PCB assembly. From a 2,500 m² plant with a modern, constant-temperature, anti-static production workshop, the company has passed ISO9001:2015 and holds 2 national invention patents and 12 utility model patents, with products compliant to the EU RoHS standard.
Whether you are building a fine-pitch video wall or a colour-rich indicator panel, the 2121 RGB LED chip delivers vivid color and dependable reliability in one compact pixel. LED lights the world, Lanjin lights your life!
Kontak Person: Miss. Ava Huang
Tel: +86 18819512052
Faks: 86-0769-89616935