News and Information from Nelson Miller
Are Capacitive Touchscreens Mechanical?
Capacitive touchscreens are undoutedbly popular. You can find them in smartphones, tablets, control systems, appliances and countless other electronic devices with an embedded touchscreen interface. If you're thinking about buying a capacitive touchscreen, though, you...
5 Facts About OLEDs You Probably Didn’t Know
Organic light-emitting diode (OLED) has become a popular display technology. Most modern-day displays, in fact, now use either OLED or light-crystal display (LCD) technology. Also known as organic electroluminescent diode, OLED involves the use of an...
Frequently Asked Questions About Capacitive Switches
Switches are commonly used to control devices. A switch, of course, is an electrical component that can complete or break a circuit. While all switches are essentially controllable circuits, they are available in different types. In addition to mechanical switches,...
What’s the Best Backlighting for LCDs?
You can't choose a liquid-crystal display (LCD) without considering the backlighting. All LCDs require backlighting. The liquid pixels within them aren't electroluminescent, so they can't illuminate themselves. Instead, the liquid pixels require external illumination....
The Mechanics of SAW Touchscreens
Touchscreens have evolved over the years. In the past, nearly all touchscreens used one of two different technologies to detect touch commands: resistive or capacitive. While neither of these technologies has become obsolete, there are now other technologies...
What Is a Flexible Printed Circuit (FPC)? Get the Facts
Circuit boards are the building blocks of nearly all electronic devices. From computers and TVs to touchscreens, thermostats and digital watches, they are found in most electronic devices. As their name suggests, circuit boards are "boards" that feature one or more...
What Is Keyboard Ghosting and How Do You Prevent It?
Have you ever pressed a key on a keyboard, only to discover that the keyboard didn't register it? You aren't alone. Known as ghosting, it's a common phenomenon from which keyboards suffer. What is keyboard ghosting exactly, and how do you prevent it? Overview of...
The Parts of a Projected Capacitive Touchscreen
Projected capacitive has become one of the world's leading touchscreen technologies. It's a variant of capacitive touchscreen technology. Like all capacitive touchscreens, projected capacitive touchscreens measure an electrostatic field to detect touch commands. When...
LED vs WLED Backlighting: What’s the Difference?
There are many different types of backlighting. Liquid-crystal displays (LCDs), of course, require backlighting to illuminate their respective pixels. Without backlighting, LCDs can't produce visible images. When researching backlighting technologies for LCDs, you may...
What Is Local Area Dimming and How Does It Work?
When shopping for a liquid-crystal display (LCD), you may come across the term "local area dimming." It's a common feature in many LCDs. Computer monitors, televisions and other LCD devices often come with local dimming. What is local area dimming exactly, and how...
A Crash Course on Capacitive Sensing and How It Works
Many touchscreens rely on capacitive sensing to detect touch commands. Even if you're unfamiliar with the technology, you've probably used one of these touchscreens before. Known as capacitive touchscreens, they've become the world's most popular type of touchscreens....
5 Benefits of Membrane Switch Keyboards
Membrane switch keyboards have become a popular alternative to traditional scissor-switch keyboards. They are characterized by the use of a membrane overlay. The membrane overlay is typically made of polyester. It features conductive traces that correspond with the...
What Are ‘Pills’ on Silicone Rubber Keypads?
Silicone rubber keypads have become one of the most popular types of switching solutions in the world. They are characterized by the use of silicone rubber webbing. Each button has webbing around it. This webbing is made of silicone rubber, which allows the respective...
Why Resistive Touchscreens Feature Two Separate Layers
Resistive is one of the world's leading touchscreen technologies. Like all touchsreen technologies, it supports the use of touch-based commands. You can control resistive touchscreens by tapping the interface with a finger or stylus. Resistive touchscreens will...
The Pros and Cons of Scissor-Switch Keyboards
Have you heard of scissor-switch keyboards? Not to be confused with mechanical-switch keyboards, they feature an interlocking design. Each key has two pieces that connect to each other like scissor blades. Pressing a key will engage these two pieces while completing a...
How Blue Phase Differs From Other LCD Technologies
Have you heard of blue phase? It's one of several liquid-crystal display (LCD) technologies. Originating in 2007, blue phase uses liquid crystals like all other LCD technologies. The liquid, organic crystals form the pixels. Blue phase, however, differs from other LCD...
When to Choose Projected Capacitive Over Surface Capacitive
Capacitive touchscreens are undoubtedly popular. Research shows that roughly nine in 10 touchscreens manufactured and shipped globally use capacitive technology. Capacitive touchscreens are able to detect touch commands by measuring capacitance. When turned on,...
What Type of Overlay Do Capacitive Switches Use?
Capacitive switches have become a popular alternative to mechanical switches. As their name suggests, they leverage capacitance. Capacitive switches measure changes in capacitance, and they use this information to open or close a circuit. Pressing a capacitive switch...
Frequently Asked Questions About SAW Touchscreens
There are other types of touchscreens besides capacitive and resistive. An alternative technology, for instance, is surface acoustic wave (SAW). SAW touchscreens support touch commands just like their capacitive and resistive counterparts. They are unique, however,...
How Liquid Crystal Displays (LCDs) Are Wired
Liquid crystal displays (LCDs) require wiring. All LCDs feature a pixel layer consisting of a liquid organic material. Depending on the resolution, it may have 6 million or more individual pixels. LCDs leverage these pixels to produce images. They must be wired,...
Zombie Finger: An Introduction to This Touchscreen Phenomenon
When you press your finger against a smartphone or tablet, you expect it to respond with the appropriate action. Mobile devices support touch commands. Rather than using a keyboard and mouse, you can control them with your finger. There are times, however, when...
The Complete Guide to Fiber Optic Backlighting
Backlighting is a common feature in many devices. Keypads and switches, for instance, often feature backlighting. It's able to illuminate the interface buttons on keypads and switches so that they are easier to see. There are different types of backlighting, though,...
5 Misconceptions About Multi-Touch Technology
Multi-touch technology is a common feature in many touchscreens. Whether you're shopping for a tablet, smartphone, human machine inteface (HMI) or any other touchscreen device, it may offer multi-touch. Multi-touch, of course, refers to input involving two or more...
Are OLEDs More Energy-Efficient than LCDs?
Organic light-emitting diode (OLED) and liquid-crystal display (LCD) have become two of the most popular display technologies on the market. They are both able to produce high-definition (HD) images. OLEDs use self-illuminating pixels with electroluminescent...
Image Burn-In vs Image Persistence: What’s the Difference?
Displays don't last forever. Whether you're shopping for a TV, monitor or any other type of display, it will typically last for about 10 to 20 years. As it approaches the end of its usable life, it may succumb to technical problems like image burn-in or image...
Silicone Rubber Keypads: 5 Terms You Need to Know
When shopping for silicone rubber keypads, you may come across some otherwise unfamiliar terms. Silicone rubber keypads are switching solutions. You can use them to control one or more circuits. Silicone rubber keypads, though, are distinguished from other types of...
The Beginner’s Guide to Electroluminescent (EL) Backlighting
Backlighting is an essential part of many devices. From keypads and switches to human machine interfaces (HMIs) and touchscreens, backlighting, many devices feature backlighting. It's responsible for illuminating the device with which it's used. While all forms of...
5 Myths About Projected Capacitive Touchscreens
Projected capacitive is one of the world's leading touchscreen technologies. It's a variant of capacitive touchscreen technology. Like all capacitive touchscreens, projected capacitive touchscreens identify touch commands by measuring a uniform electrostatic field....
What Is Dynamic Contrast and How Does It Work?
You can't choose a display without considering its contrast ratio. Contrast ratio, of course, represents the difference between a display's light colors and dark colors. A high contrast ratio means the display produces a wider range of colors, specifically light and...
What Is a High-Dynamic Range (HDR) Display?
High-dynamic range (HDR) displays are on the rise. Whether you're shopping for a new television, computer monitor or any other electronic display, you may come across HDR. Not to be confused with high-definition (HD), they are able to produce bold colors. Even if...
Single-Layer vs Double-Layer Flexible Printed Circuits (FPCs)
Not all circuits are made on a rigid substrate. Some of them feature a flexible substrate. Known as flexible printed circuits (FPCs), they've become increasingly popular in recent years. You can find FPCs in smartphones, tablets, medical devices and countless other...
5 Reasons to Choose Dome Arrays
Have you heard of dome arrays? They've become an increasingly popular switching solution. Dome arrays consist of a metal dome on a semi-elastic film that's applied to a circuit -- typically a printed circuit board (PCB). Like all switching solutions, they are used to...
Piezo vs Mechanical Switches: What’s the Difference?
Switches are the building blocks of nearly all electronic devices. Consisting of conductive paths, they are designed to control a circuit. Switches can open or close a circuit. An open circuit, of course, means that electricity can't flow all the way through it. There...
How to Choose Touchscreen Gloves
Do you own a capacitive touchscreen? Capacitive touchscreens are undoubtedly popular. When compared to resistive touchscreens, they are more responsive, longer-lasting and produce higher-quality images. Unfortunately, they don't support the use of regular gloves....
Why LCDs Have Two Polarized Layers
Liquid-crystal displays (LCDs) contain many different layers. They feature a pixel layer, for instance, that contains the liquid pixels. They also feature a backlighting layer that's responsible for illuminating the liquid pixels. LCDs, however, also feature two...
Pros and Cons of Vertical Alignment (VA) LCDs
Have you heard of vertical alignment (VA)? It's become one of the most popular types of liquid-crystal display (LCD) technologies on the market. You can find TVs, computer monitors, tablets and other display devices that feature a VA LCD. If you're thinking about...
What Is a Hall Effect Keyboard?
Have you heard of hall effect keyboard? If so, you might be wondering how they differ from other types of keyboards. All keyboards consist of switches. Each key is essentially a switch. Pressing a key will close the underlying circuit. Releasing a key will then open...
The Rise of Piezo Switches: What You Should Know
When researching the different types of switches, you may come across piezo. Not all switches rely on moving parts. In addition to mechanical switches, there are piezo switches. Piezo switches are essentially touch switches that feature a piezoelectric panel. The...
5 Things to Consider When Choosing a Capacitive Switch
Capacitive switches have become a popular alternative to mechanical switches. They are characterized by the use of sensors to measure a voltage. The voltage is constant by default. When you touch a button, though, your finger will absorb some of the voltage. The...
Is a Resistive Touchscreen Right for You?
There's no denying the fact that touchscreens are convenient. They don't require external peripherals like a keyboard and a mouse. Rather, you can control them by performing touch commands. All touchscreens support touch commands. They feature an integrated display,...
Finish Options for Plastic Keypads
You can't choose a plastic keypad without considering the finish. Plastic keypads are available in a variety of finishes. The finish, of course, is a layer of material that's applied over the top of a keypad. Both silicone rubber keypads and plastic keypads are...
Panel vs Membrane Overlay: What’s the Difference?
Switches typically require a top layer. Known as an overlay, it often contains conductive contacts on the underside. Pressing a button on a switch will force these conductive contacts to touch a lower set of conductive contacts, thus completing the circuit. While you...
Are Membrane Switches Durable?
Durability is important when choosing switches for commercial applications. While consumer applications often involve indoor use, commercial applications often involve outdoor use or high-humidity indoor use. Regardless, switches will be exposed to more wear and tear...
What Causes Screen Flickering With LCDs?
Liquid-crystal display (LCD) has surpassed cathode-ray tube (CRT) and plasma to become the world's most popular display technology. More display devices use LCD technology than all other display technologies. While popular, though, some LCDs may suffer from screen...
5 Things You Need to Know About Infrared (IR) Touchscreens
Touchscreens are often powered by different technologies. Some of them are powered by capacitive technology, whereas others are powered by resistive technology. While not as common as capacitive and resistive, there's also infrared (IR) touchscreen technology. IR...
When to Choose Electroluminescent (EL) Backlighting
Membrane switches, mechanical switches, human machine interfaces (HMIs) and other devices often require backlighting. Backlighting will illuminate the device from behind so that its keys or buttons are easier to see. While all backlighting is designed to illuminate...
The Beginner’s Guide to 5-Wire Resistive Touchscreens
Different touchscreens are powered by different technologies. Some of them are powered by capacitive technology, for instance. Capacitive is the world's most popular touchscreen technology. It leverages the human body's conductive properties to detect touch commands....
Why SAW Touchscreens Feature a Glass Top Layer
Surface acoustic wave (SAW) touchscreens have become a popular alternative to resistive and capacitive touchscreens. They receive their namesake from their use of acoustics. SAW touchscreens produce sound waves on the display interface, which they monitor to detect...
Mechanical vs Capacitive Switches: What’s the Difference?
When shopping for switches, you may come across mechanical and capacitive. Switches, of course, are found in countless electronic devices. Consisting of the conductive pathways, they are used to control a circuit. While some switches are mechanical, however, others...
5 Energy-Saving Tips for LCDs
Liquid-crystal displays (LCDs) are known for their energy-efficient operation. All display devices consume energy during use. LCDs, however, consume less energy than many other types of display devices. There are also ways to further reduce the energy usage of an LCD....
What Is a Multilayer Flexible Printed Circuit (FPC)?
Circuits are the building blocks for nearly all electronic devices. A circuit, of course, is a controlled electrical path. It consists of a loop that begins, ends and repeats at a power source. A closed circuit means this loop is complete. An open circuit, on the...
How Are Ultra-Thin Keypads Made?
Keypads are available in different sizes. Some of them are thick and consume a lot of space. Other keypads, conversely, feature a thin and low-profile design. Known as ultra-thin keypads, they are commonly used in human machine interfaces (HMIs), ATMs, control panels...
An Introduction to Native Resolution in Display Devices
You can't choose the perfect display device without considering its resolution. As you may know, it affects the level of detail. High-resolution display devices produce clearer, more detailed images than their low-resolution counterparts. When choosing a display...
The Beginner’s Guide to Mutual Capacitive Touchscreens
Capacitive touchscreens are all around us. You can find them in smartphones, tablets, smart refrigerators, point-of-sale (POS) systems, human machine interfaces (HMIs), smartwatches and more. While there are other types of touchscreens available, none are more popular...
Island-Style vs Membrane Keyboard: What’s the Difference?
If you're planning to buy a new keyboard in the near future, you might be wondering whether to choose an island-style or membrane keyboard. All keyboards consist of rows of buttons. Each button is essentially a switch that controls an underlying circuit. Keyboards,...
Pros and Cons of TFT Liquid-Crystal Displays (LCDs)
Not all liquid-crystal displays (LCD) use the same technology to produce images. By definition, LCDs are simply display devices that feature liquid pixels. Some of them, however, use different technologies, such as thin-film transistor (TFT). TFT is a common type of...
Electroluminescent (EL) vs Light-Emitting Diode (LED) Backlighting
Backlighting is a common component of many touchscreens, switches, keypads, human machine interfaces (HMIs) and other devices. As the name suggests, it's a lighting solution that's installed or embedded in the back of a given device. While there are types of...
4 Reasons to Choose a SAW Touchscreen
Different touchscreens use different technologies to detect touch commands. Some of them use capacitive technology, whereas others use resistive technology. While capacitive and resistive are the most common touchscreen technologies, though, another option is surface...
The Rise of Membrane Switches: What You Should Know
Membrane switches have become increasingly popular in recent years. Like all switches, they are circuit-controlling interfaces. Switches are devices that offer an interface, such as a keypad, that you can use to open and close the circuits. Membrane switches, however,...
What Types of Displays Are Affected By Magnets?
If you own a display device, you might be wondering whether magnets will affect its performance. Magnets are all around us. They are found in speakers, refrigerators, computers, cabinets and countless other products. While magnets won't affect some types of display...
What Are Light-Emitting Diode (LED) Light Guides
Have you heard of light-emitting diode (LED) light guides? They are commonly used as backlighting solutions for keypads, human machine interfaces (HMIs), switches and other devices. While LEDs alone can be used as backlighting solutions, though, the addition of light...
The Benefits of Cover Glass in Touchscreens
The cover glass is an important part of many touchscreens. It's the uppermost layer that "covers" the underlying layer. As the name suggests, the cover glass is made of glass. All touchscreens have a top layer. While some of them have a plastic top layer, though,...
3 Common Types of Panels for Membrane Switches
Membrane switches have become increasingly popular in recent years. Like all switches, they are designed to control one or more circuits. Membrane switches are distinguished from other types of switches, however, by their use of a flexible substrate. Mechanical...
The Durable Properties of 5-Wire Resistive Touchscreens
Touchscreens don't always last forever. When used for an extended period, some of them may sustain scratches or other forms of damage that interfere with their operations. Fortunately, 5-wire resistive touchscreens are recognized for their superior durability. If...
The Pros and Cons of Edge-Lit LED Backlighting
Light-emitting diodes (LEDs) are often used as backlighting solutions for display devices. All liquid-crystal displays (LCDs), for instance, require a backlighting solution. LEDs don't have self-illuminating pixels. Backlighting, however, will illuminate their pixels...
What Is a Vacuum Fluorescent Display (VFD)?
When most people think of display technologies, they envision liquid-crystal display (LCD) and organic light-emitting diode (OLED). After all, countless display devices feature these display technologies. There are other display technologies, though, one of which is...
An Introduction to Membrane Switch Keyboards
Have you heard of membrane switch keyboards? They've become a popular alternative to dome-switch keyboards. Membrane switch keyboards still consist of the same buttons as their dome-switch counterparts, and they are used for the same purpose of controlling desktop or...
The Benefits of Resistive Touchscreens for Commercial Applications
If you're looking to buy a new touchscreen for your business, you may want to choose a resistive touchscreen. Commercial applications often require different touchscreen technology than consumer applications. For consumer applications, capacitive technology is...
Capacitive vs Piezo Touch Switches: What’s the Difference?
Not all switches use a mechanical method of operation. In addition to mechanical switches, there are touch switches. While they are both designed to control a circuit, only mechanical switches have moving parts. Touch switches are circuit-controlling devices that...
How Do Keypads Work? An Introduction to Keypads
Keypads are synonymous with input peripherals. They are typically used in conjunction with machines, equipment or other electronic devices. Like other input peripherals, they allow you to control the devices with which they are used. How do keypads work exactly?...
5 Things to Consider When Choosing an LCD
Liquid-crystal display (LCD) has become the world's most popular display technology -- and for good reason. It's energy efficient, long-lasting, supports high-definition (HD) resolutions and can be customized in a variety of sizes. Not all LCDs are the same, however....
Breaking Down the Parts of a SAW Touchscreen
Surface acoustic wave (SAW) touchscreens are on the rise. They live up to their namesake by using acoustic waves to detect touch commands. Acoustic waves are essentially sound waves. When powered up, SAW touchscreens will produce acoustic waves over the top layer....
What Type of Touchscreen Technology Do Mobile Devices Use?
Mobile devices have become increasingly popular. Statistics show that four-fifths of the global population owns a smartphone. In addition to a smartphone, many people own a tablet. Whether it's a smartphone or tablet, though, all mobile devices feature a touchscreen....
3 Common Types of Organic Light-Emitting Diodes (OLEDs)
When researching display technologies, you may come across organic light-emitting diode (OLED). Not to be confused with LED-backlit liquid crystal display (LCD), OLED is a classification of display technologies that feature self-illuminating pixels. You can find...
How to Choose the Right Resistive Touchscreen
When choosing a resistive touchscreen, there are several things you'll need to consider. Resistive touchscreens are characterized by their use of multiple layers -- the layers are made of an electrically resistive material -- to detect touch commands. They are...
An Introduction to Super-Vertical Alignment (SVA) Displays
Different types of display devices are powered by different technologies. Whether you're planning to buy a computer monitor, a TV, a touchscreen or a human machine interface (HMI), you'll need to consider the display technology. Most display devices, of course,...
Piezo vs Capacitive Switches: What’s the Difference?
Switches are found in nearly all electronic devices. While some of them are mechanical, though, others are touch-based. Two of the most common types of touch-based switches include piezo and capacitive. They don't feature moving parts like their mechanical...
Breaking Down the Parts of a Resistive Touchscreen
Resistive is a common form of touchscreen technology. It's used in everything from tablet computers and smartphones to human machine interfaces (HMIs), smart appliances and more. Resistive, in fact, is the second-most common touchscreen technology, surpassed only by...
5 Facts About Ultraviolet (UV) Keypads
Have you heard of ultraviolet (UV) keypads? Like all keypads, they consist of controllable circuits with one or more keys. Pressing a key will open or close the circuit -- typically by forcing two conductive traces to touch each other. Some keypads, however, are...
The Shock-Resistant Benefits of Silicone Rubber Keypads
Not all keypads are made of hard plastic. Keypads, of course, are switching solutions. They feature one or more keys that are used to control a circuit. While some keypads are, in fact, made of hard plastic, others are made of silicone rubber. Also known as...
5 Reasons to Choose a Capacitive Switch
Most switches can be classified as either mechanical or touch-based depending on their operation. Mechanical switches have moving parts. When you press a key on a mechanical switch, some of its parts will move to open or close the circuit. Touch-based circuits, on the...
SAW Touchscreens: What They Are and How They Work
Different types of touchscreens use different technologies to detect touch commands. Some of them use capacitive technology, for instance. Capacitive technology revolves around the use of an electrostatic field that, when exposed to a conductive object like a bare...
Flexible Printed Circuit (FPC) Backlighting Options
Backlighting isn't exclusive to rigid circuits. It's available for flexible printed circuits (FPCs) as well. If you're planning to buy an FPC, you may want to choose backlighting for it. FPCs, of course, are typically used in applications such as membrane switches and...
An Introduction to the Different Types of Membrane Switch Panels
Membrane switches have become a popular alternative to mechanical switches. All types of switches are designed to control a circuit. While mechanical switches feature moving parts, though, membrane switches do not. Rather, membrane switches feature a panel that covers...
Capacitive Touchscreens: Which Type Should You Choose?
Think all capacitive touchscreens are the same? Think again. Capacitive has become the world’s leading touchscreen technology. It’s used in more smartphones, tablets and human machine interfaces (HMIs) than all other touchscreen technologies. While all capacitive...
The Beginner’s Guide to In-Plane Switching (IPS) Displays
Have you heard of in-plane switching (IPS) displays? Display devices are found everywhere. They consist of TVs, computer monitors, smartphone screens, human machine interfaces (HMIs) and other electronics that display images. While there are many different types of...
What Are Projected Capacitive Touchscreens Made Of?
Projected capacitive is one of the world's leading touchscreen technologies. It's a form of capacitive technology that's designed to measure capacitance in order to identify touch commands. Capacitance is an electrostatic field. Projected capacitive is simply an...
5 Common Myths About Capacitive Switches
Touchscreens aren't the only devices that use capacitive technology. Many switches use this same type of touch-based technology. Known as capacitive switches, they open and close a circuit by measuring a uniform electrostatic field. If a capacitive switch detects a...
What Is a Piezo Switch?
Switches are found in nearly all electronic devices. As you may know, they are used to control one or more circuits, which is the foundation on which electronic devices operate. While all switches control a circuit, they are available in different types, including...
Resistive vs SAW Touchscreens: What’s the Difference?
Touchscreens are used in countless consumer and commercial applications. They are devices that, as the name suggests, support touch-based commands. You can find touchscreens in smartphones, tablets, smart appliances, human machine interfaces (HMIs) and more. While...
Light Guide Foils: What They Are and How They Work
Keypads and membrane switches are often designed with backlighting. It's an essential component for illuminating the keys on the top layer. With backlighting, light will shine through the top layer while illuminating its respective keys. Rather than a traditional...
The ‘Etching’ Process of Projected Capacitive Touchscreens
Projecting capacitive is one of the world's leading touchscreen technologies. Like its surface capacitive counterpart, it leverages a uniform electrostatic field to detect touch commands. All capacitive touchscreens produce a uniform electrostatic field, which they...
5 Common Types of Flexible Printed Circuits (FPCs)
Not all electronic devices feature a rigid circuit. In recent decades, flexible printed circuits (FPCs) have become more common. They still consist of conductive pathways that provide the electrical connections for a device, but FPCs are characterized by the use of a...
How CCFL Backlighting Works in LCDs
Backlighting is a necessary component of all liquid-crystal displays (LCDs). The pixels within LCDs aren't capable of illuminating themselves. While there are some LCDs that do feature self-illuminating pixels, LCDs aren't one of them. Instead, they require a...
An Introduction to Silicone Rubber Keypads and How They Work
Have you heard of silicone rubber keypads? Also known as elastomeric keypads, they've become a popular alternative to traditional plastic keypads. You can find silicone rubber keypads in ATMs, medical machines, human machine interfaces (HMIs), point-of-sale (POS)...
Glass vs Plastic Touchscreens: Which Is Best?
Glass and plastic are two of the most common materials used in the construction of touchscreens. Whether you're shopping for a tablet computer, a smartphone, a human machine interface (HMI) or any other touchscreen device, it will likely feature one of these...
5 Benefits of EL Lighting for Switches
Backlighting isn't restricted to TVs, touchscreens and other display devices. You can find it in switches as well. Both membrane and mechanical switches, for instance, often feature backlighting. They are designed with a backlighting layer that, during use,...
What Are Capacitive Switches Made Of?
Capacitive switches have become increasingly popular. Like all switches, they offer an interface for controlling one or more circuits. Capacitive switches are simply touch switches that, like capacitive touchscreens, use capacitance to determine when a circuit should...
Oleophobic Coatings: Why They Are Essential for Touchscreens
Unbeknownst to most users, touchscreens are typically designed with an invisible layer. Known as an oleophobic coating, it's found on the outermost layer of the display device. Touchscreens typically have a glass outer layer. On top of this layer is an oleophobic...
The Benefits of Full-Array Liquid-Crystal Displays (LCDs)
Liquid-crystal displays (LCDs) can be classified as either full-array or edge-lit depending on their backlighting. All LCDs have backlighting. The pixels within LCDs aren't self-illuminating like those within plasma displays. As a result, LCDs require backlighting....