Some LEDs light a room. Some LEDs speak. Long before giant video walls, the humble dot matrix was teaching machines to show letters, numbers and symbols — and it is still the workhorse behind the signs, panels and displays we read every day. In this article we spotlight one concrete model from the Lanjin range and show how a grid of small multi-color dots becomes a complete information device.
The RGB 8x8 Dot Matrix LED Display packs 64 dots into a compact 64 × 64 × 7.5 mm module. Each dot can glow in red, green, blue, white or yellow, so one board can render multi-color characters, scrolling text and simple graphics. With a 120° viewing angle, 20 mA drive and a black or gray face, it drops straight into message boards, elevator indicators and instrument panels.
| Parameter | Value (RGB 8x8 Dot Matrix LED Display) |
|---|---|
| Display Color | Red / Green / Blue / White / Yellow |
| Dot Number | 64 dots (8 × 8) |
| Display Dimension | 64 × 64 × 7.5 mm |
| Viewing Angle | 120° |
| Current | 20 mA |
| Surface Color | Black or gray |
| Storage Temperature | -35 °C ~ +85 °C |
| Package / MOQ | EPE + carton · MOQ 1000 pcs |
| Compliance | RoHS · REACH |
A matrix is flexible by design. Where a fixed 7-segment digit can only show numbers, a dot matrix forms any character, icon or animation — and because each dot is independently driven, the same module scales from a single-status panel to a scrolling ticker. Multi-color dots add a second layer of meaning: colour can flag status, highlight a value or simply make the message easier to read.
When the message needs more resolution, the 64×64 mm 16×16 Dot Matrix LED Display offers 256 dots at 20 mA with a 120° angle — ideal for Chinese/Japanese characters and finer graphics in elevator and public-transport displays.
For text readouts, the 0.39 inch 16-Segment Alphanumeric LED Display shows four digits in red, green, blue, white or yellow, in a 40.4 × 16 × 7 mm package — the natural upgrade from a 7-segment digit when letters are required.
These display modules are produced by 东莞市蓝晋光电有限公司 (Dongguan Lanjin Optoelectronics Co., Ltd.), founded in 2005. From a 2,500 m² plant with a purification, constant-temperature and constant-humidity anti-static workshop, Lanjin manufactures SMD LED, through-hole LED, LED displays and LED PCB assembly. The company is ISO9001:2015 certified with two national invention patents and twelve practical new-type patents, and exports worldwide under the motto “LED light the world, Lanjin lights your life!”
Takeaway: build your next information display around the RGB 8x8 Dot Matrix LED Display, scale up with the 16x16 dot matrix, and add text readouts with the 16-segment alphanumeric display — a one-stop LED display supply from Lanjin.
Người liên hệ: Miss. Ava Huang
Tel: +86 18819512052
Fax: 86-0769-89616935