All Categories
History
This section provides an overview for circuit board indicator leds as well as their applications and principles. Also, please take a look at the list of 5 circuit board indicator leds manufacturers and their company rankings.
Table of Contents
Circuit Board Indicator LEDs are small components that use light to indicate the operational status of an electronic circuit. They convey information such as device operation or error conditions through light colors and flashing patterns, allowing users to intuitively grasp the status of complex electronic devices at a glance.
A Circuit Board Indicator LED consists of a light-emitting diode (LED), a semiconductor device that emits light when electricity flows through it, and is typically soldered directly onto a printed circuit board (PCB). Various colors, such as red and green, are commercially available, and these color differences help clearly distinguish different states. For example, green might indicate normal operation or power on, while red signals an error or warning. LED shapes also vary widely, including round and chip types, allowing designers to select the optimal product based on device design and available PCB space.
Circuit board indicator LEDs are widely used in servers, network equipment, and other information and communication devices. In servers and storage devices operating in data centers, LED flashes indicate hard disk access or network communication status, allowing visual monitoring to confirm that equipment is processing data normally. Multiple LEDs arranged in a bar-graph format are also used to display battery levels or signal strength in stages.
Home appliances, such as televisions and computers, use circuit board LEDs as power indicators. For instance, a red light may indicate standby mode, while green or blue lights show that the device is powered on. Wireless routers often incorporate multiple flashing LEDs to indicate the status of individual functions, such as internet connectivity or wireless communication.
Circuit board indicator LEDs are also essential in industrial equipment. Control panels that manage production lines and various sensors use green LEDs to indicate normal operation and red LEDs to signal abnormalities. Monitoring these lights allows operators to quickly check the status of widely dispersed equipment, even from a distance.
*Including some distributors, etc.
Sort by Features
Sort by Area
Kingbright Company LLC is a manufacturer of LED products that provide solutions for enhanced connectivity and visualization, headquartered in Taipei, Taiwan. They offer product lines in both visible and invisible spectrums, which are used in a wide range of industries for motion control and automation applications. Some of their products include High-Temperature SMD LEDs, Super Low-Profile RA Bi-Color, RGB in CBI, IR Dome LENs SMD LEDs, and APGF0606 Series. Kingbright has sales offices around the world, including the US, Europe, and Asia. Kingbright Company LLC is certified with ISO 9001:2015 standards.
Founded in 1976, Visual Communications Company, LLC is an American manufacturer specializing in Human-Machine Interface (HMI) components. Headquartered in Carlsbad, California, VCC develops a wide range of customizable products for industries including aviation, transportation, industrial equipment, and automation technology. Implementing SAP Business ByDesign in 2012, VCC is a fast-growing private company recognized by Inc. 500 and San Diego Business Journal. It has also won two Elektra Awards for Product of the Year.
Luckylight is a professional LED component manufacturer in China, renowned for its expertise in research, business, and marketing within the LED industry. With a focus on continuous innovation, we design and manufacture a wide range of LED optoelectronic components for lighting applications and display modules. Our product portfolio includes high-power LEDs, through-hole LEDs, SMD LEDs, 7-segment LED displays, backlights, lighting modules, and various sensor components. For over 30 years, Luckylight has been dedicated to the values of integrity, excellence, and innovation. We are committed to providing comprehensive LED solutions to global customers, delivering professional, high-performance, high-quality, and environmentally friendly products.
Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
1 | 33.3% |
|
China
|
1 | 33.3% |
|
Hong Kong
|
1 | 33.3% |
