LDM-42257NI

Series:	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Millicandela Rating:	2.5mcd
Moisture Sensitivity Level (MSL):	--
Internal Connection:	Common Anode Row, Common Cathode Column
Size / Dimension:	3.00" L x 4.20" W x 0.51" H (76.20mm x 106.68mm x 13.00mm)
Color:	Green
Configuration:	5 x 7
Voltage - Forward (Vf) (Typ):	4.4V
Interface:	--

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LDM-42257NI Application Field and Working Principle

LED Dot Matrix and Cluster is one of the most widely used displays due to its versatile design and wide application. This article is about introduction of the LDM-42257NI, a Dot Matrix product from LDM Technologies, and its application field and working principle.

Introduction of LDM-42257NI

The LDM-42257NI is a Dot Matrix module developed by LDM Technologies. It offers both semiconductor-based modules and user-defined modules. The LDM-42257NI is a 7x7 dot matrix, with each element individually addressable in both the x- and y- direction. It is available in a variety of colors and formats, including red, green, blue, yellow and white. It also features a wide operating temperature range, making it suitable for use in both indoor and outdoor environments.

Application Field of the LDM-42257NI

The LDM-42257NI is especially suitable for use in applications that require large display areas such as scoreboards, electronic signs, interactive displays and advertisement displays. It is also suitable for use in portable telecommunication applications, such as data transmission and PDA displays, due to its low energy consumption and wide operating temperature range.

Working Principle of the LDM-42257NI

The LDM-42257NI consists of a number of LED dot elements, each independently addressable. The LEDs are arranged in a matrix, with each element addressable via sixteen (16) internal connection points. Each element can be activated or deactivated by applying the appropriate electrical signal to the connection.When a particular element is activated, current will flow from the source circuit to the connection point, activating the LEDs. At the same time, an electrical signal will be sent to the controller, which will read and interpret the signal to determine which element is being activated.

Conclusion

The LDM-42257NI is a versatile, low energy dot matrix and cluster display module from LDM Technologies. It is ideal for use in applications requiring a large display area and portable telecommunication applications due to its wide operating temperature range and low energy consumption. Its working principle can be understood to be that of activating and deactivating LED elements through the application of electrical signals.

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