segmented lcd display supplier
Custom Segment Liquid Crystal Displays are seen in products that measure the PH level of swimming pools, monitors used to measure specific gases in a mine, or in thermometers used to see if a child is running a fever. They are one of the oldest display technologies, but still one of the most popular.
Segment LCDs, also called static displays or glass-only displays, are constructed of two pieces of ITO (Indium tin oxide) glass with a twisted nematic fluid sandwiched in between. A static display is a segment display with one pin for every one segment.
These displays are still one of the most popular technologies in use and the majority of them are custom. Many people think the process of designing a custom segment liquid crystal display is complicated and too complex to be understood except for a few experienced people. But after designing custom LCDs for over 14 years, it can be said that just about anyone can select the best options for their product.
In other words, you don’t have to be an engineer, or have a PHD from MIT to design a custom LCD for your application. So instead of offering a list of technical terms and equations, these are the different options available.
Although Segment displays are an older technology, it is still one of the most popular. After all, they cannot display all the colors of a TFT or OLED like what can be seen on a cell phone and tablet.
The tooling fee for a custom display is the lowest of all the technologies and allows the customer to receive a LCD that is manufactured to the exact dimensions requested, including custom icons and segments.
Focus LCDs offers a one-time NRE (Non-recurring engineering) or tooling fee. This includes all design, technical support, and samples. A PDF showing an overview of our tooling process can be found by clicking here: Custom LCD flowchart
Segment displays require less power than other display technology such as TFT, OLED, and UWVD. This makes these LCDs ideal for applications that are battery powered or solar powered. They require the lowest power to drive, an estimated 2uA per centimeter squared. Glass only displays (no backlight and no controller) require an estimated 10% of the power that is required for a LED backlight. In other words, a static display without a backlight will draw around 1mA; the same display with a LED backlight will demand from 10mA up to 25mA. Most displays can be driven at 3.3V or 5V since microprocessors can operate at both voltages. 3.3V is becoming more popular since two double ‘AA’ batteries can produce between 3.0V and 3.3V.
A segment is any line, dot or symbol that can be turned on and off independently. The photo below is of a segment LCD that contains numbers, a small clock symbol, the word ‘Jul’, and the letters ‘PM.’
There are four numbers in the above LCD (0 8 4 7) all are seven segments. In other words the ‘0’ has seven segments, the ‘8’ has seven segments and so on. Each number has seven independent segments. Each segment can be turned on and off independently to create other numbers and some letters such as E, F C and others. This is an example of a ‘seven’ segment. But there are some letters that a seven segment cannot display such as the letter ‘M’ or ‘V’. In this case a fourteen segment configuration can be used.
An icon is a small symbol or set of words that is only one segment. In other words, when the segment is ‘on,’ the full word or symbol turns on. When it is “off,” the word or symbol turns off. In the photo above: the clocksymbol is one segment, the word ‘JUL’ is one segment, the letters FOCUSLCDS.COM are one segment and the letters ‘PM’ are one segment.
It is possible to burn a segment into the glass so that it is always “on”. In this case, the ‘FOCUSLCDS.COM’ has been burned into the glass and can always be seen by the customer even when the power is “off”. Some customers will have their company name burned into the glass.
Hence the display is called a segment display because each segment can be turned “on” and “off” individually. You choose the number of seven or fourteen segments and which icons you want on your custom display.
Segment displays earn the name ‘glass only display’ because the majority of them are glass with small metal leads attached to both sides of the display. However, it is possible to add a PCB (Printed Circuit Board) or a controller driver chip (IC). The construction of the display is similar to that of a sandwich. You take two pieces of glass, glue one piece on top of the other, than inject a fluid between the two pieces of glass. In the drawing below you see a side view of a segment display. The glass on top is smaller than the glass on the bottom. This is to allow room for the pins.
Segment LCDs, like all LCD display technologies, operate best between specific temperature ranges. You choose the temperature ranges that it will operate in. There are two standard configurations: normal temperature and wide temperature. The wider the temperature range, the more expensive the display.
The standard operating temperature range for a segment LCD is 0C to 50C. It is possible to build the display with a different fluid that will allow it to operate from -30C to 80C (F). With the addition of a heater, the display can operate down to -50C.
When the display becomes too cold, the fluid between the two layers of glass starts to freeze; when the display does freeze, the segments that were “on” when it froze will stay on. The display will not change until the temperature increases. When the display becomes too hot, a black spot will develop in the center of the glass. Basically the fluid is boiling. When the temperate comes down, the display will operate normally.
VATN (BTN) – Vertically Aligned Twisted Nematic is only available in negative mode (light colored letters on a dark/black background). VATN displays produce very bright segments and can be easily read.
Alibaba.com offers 6150 7 segment lcd display products. About 60% % of these are lcd modules, 14%% are segment displays, and 1%% are lcd touch screen.
A wide variety of 7 segment lcd display options are available to you, such as original manufacturer, odm and retailer.You can also choose from tn, tft and ips 7 segment lcd display,
Segmented LCDs and graphic displays are a popular choice among products such as thermostats, kitchen appliances, medical devices, industrial meters, and more. A segmented LCD is an ideal solution for products that require a customizable cost-effective, low-power display option. Displaytech offers custom 7 segment displays in static or multiplex drive.
Segmented LCDs are monochrome liquid crystal displays where the elements on the panel are divided into segments which can either be visible (on) or hidden (off).
A 7-segment LCD is a cost-effective, low-power display option to use within your product design. At Displaytech, we are here to help you choose the best LCD solution for your product.
For product design engineers and manufacturers, a custom display and touch solution is the best approach to meet their unique application needs. Turning to us to be your monochrome LCD manufacturer means you’ll gain the experience and expertise of our in-house engineering team. Our talented engineers can develop customized solutions using a wide range of LCD technologies:Custom TN LCD displays
As we work with you to design a custom monochrome display, we’ll provide you with data-based recommendations and dedicated support. The know-how we bring to our clients has resulted in a proven track record of success, even with the most demanding applications.
Custom Icon Segment displays are truly customized to what your product needs to say. Whether it is a calculator or a vital monitoring system, a custom icon segment display will show exactly what you want it to.
With well-defined number segments and icons and color options like our signature Ultra-Black, a custom icon segment display is easy to read and a great way to display information clearly and consicely
Custom Icon Segment displays are truly customized to what your product needs to say. Whether it is a calculator or a vital monitoring system, a custom icon segment display will show exactly what you want it to.
With well-defined number segments and icons and color options like our signature Ultra-Black, a custom icon segment display is easy to read and a great way to display information clearly and consicely