tft lcd pcb connection fpc brands

Elastomeric connectors, also known as ZEBRA strips, are a common connection type for LCDs with surface mount connections. A ZEBRA strip connector is comprised of a malleable insulation strip with alternating conduction lines and can be used as a substitute for a hardwire connection. These connectors get their name from their alternating conduction lines that appear as stripes, similar to a Zebra.

ZEBRA strips are positioned between a display’s connection ports and its controller. They then require a bezel to ensure a proper connection with the display. Once the bezel has been applied, the ZEBRA strips compress against an LCD’s surface mount connection ports. The resulting pressure from the bezel allows for a solid connection between the conductive strips and the display.

This connection type is a good option for testing and prototyping displays as there is no need to permanently connect pins to the display. ZEBRA strips are also a good option for thin, compact LCD and PCB designs. For example, if limited space is available within the enclosure, a ZEBRA strip can be used as an alternative to metal pins or ZIF connectors. ZEBRA connectors can also often be a cheaper alternative to other connection types.

Flexible printed circuit (FPC) and flexible flat circuit (FFC) cables (hereinafter both interchangeably referred to as “FPC” or “FPC Cable”) are widely used connectors that provide access to the internal circuitry embedded in the display. Such connectors are standard in laptops and mobile phone displays.

FPC cables reduce the amount of area required by pins to interface with a display and can be integrated into PCB with minimal space and complexity by routing the signals through this cable.

FPC cables are directly routed to the embedded liquid crystal driver and the internal circuits required to drive the display. To access the contacts on an FPC, a ZIF connection port can be used to hold the cable in place and prevent damage to circuitry. The end of an FPC cable is placed into a ZIF connection port and locked into place by a clasp or plastic holder.

The flexibility of an FPC cable is ideal for compact devices. The cable is made of a flat, bendable material that insulates the conductive wire connected to the LCD. The conductive leads to the display are heat sealed between durable insulative strips.

The spacing between each metal contact on the ribbon cable is called the pin pitch. The pin pitch for a display’s FPC cable can vary and is specified by each display. A common pin pitch for a display is 0.5 mm, but can range from 0.3 mm to 1.0 mm.

Throughholesarea standard connection type for many displays that offer a connection through small holes on the PCB. This connection type is most common for LCDs that have an external PCB controller circuit mounted to the display, such as most character and segment LCDs. Typically, the PCB will include the required liquid crystal driver, a voltage converting circuit, and backlight control.

Through holes have conductive metal holes on PCB that can be connected to using solder or a bezel. A through hole connection gives many options for connecting and interfacing the display. Connecting the display via through holes is a good option for prototyping because the standard pitch between holes and wide range of options for connecting.

Through holes are not a good connection type for compact enclosures. They have a standard spacing that requires a hardwire solder connection or a bezel to hold the interface pins to the holes. However, this standard spacing is advantageous for hardware to plug into breadboard or peripheral devices.

Metal pins are a connection type for LCDs that have metal pins already mounted and connected to the display. Metal pins can be connected to the internal display controller or to the COM and Segment lines of an LCD. Typically, this connection type is used for character and segment LCDs.

Metal pins are a reliable, sturdy connection type that can be mounted into similarly spaced devices. They are accessed by plugging the display into a socket or by soldering the display into conductive holes on a PCB. Similar to the through hole connection type, metal pins are spaced to be compatible with breadboards for prototyping.

Metal pins are good for applications that have standard pin mappings so that the display can be plugged into the controlling device. This connection type is less versatile than the previous LCD connection types as the pins are hardwired into place and cannot be moved unless unsoldered. The standard distance between pins is 2.54 mm.

Heat seal connections for LCDs are a reliable connection type utilizing a flexible cable connector that is heated and sealed to a displays’ interface ports. This connection uses a special heat seal paper that is then adhered to the display using a conductive glue and sealed by applying heat.

Heat seal connections are intended for hinged applications where the display is mounted at a different angle than the port and can be found in calculators and military grade devices.

Similar to FPCs, a heat seal cable is flexible and can be used for finely pitched pins. Therefore, they are another great option for compact display connections. However, heat seal cables have the added advantage of superior durability.

While FPC cables will degrade or become damaged with continuous bending, a heat seal connector will maintain the performance with continuous bending and will not become damaged.

Heat seal connections are similar in cost to the other connection types but are less expensive than the comparable FPC connection type. The heat seal connection is not changeable once adhered to the display. Once the cable is glued and sealed to the display it cannot be removed, replaced, or reused.

Buyers and others who are developing systems that incorporate FocusLCDs products (collectively, “Designers”) understand and agree that Designers remain responsible for using their independent analysis, evaluation and judgment in designing their applications and that Designers have full and exclusive responsibility to assure the safety of Designers" applications and compliance of their applications (and of all FocusLCDs products used in or for Designers’ applications) with all applicable regulations, laws and other applicable requirements.

Designer agrees that prior to using or distributing any applications that include FocusLCDs products, Designer will thoroughly test such applications and the functionality of such FocusLCDs products as used in such applications.

When we say “display” we are speaking generally about all LCD, TFT, OLED, and ePaper displays. Sometimes displays are included in a module that adds features and these modules are still called “displays” so that can certainly be confusing.

There are three main ways our displays can be connected (excluding our line of USB LCDs, which include many features not offered by a plain old display).

Most displays that we carry use a ZIF tail. This tail mates with a ZIF connector so it can easily be connected to a PCB or breakout board. Simply insert the tail into the connector and close the connector. Displays with a ZIF tail can easily be swapped out, simplifying trouble shooting.

Many COB LCDs come with a header connection. This allows a header to be soldered in and connected to or wires can be directly soldered through the through holes.

Makers and hobbyists are often also familiar with displays that come attached to a breakout board. A display mounted to a breakout board simplifies connections by reducing the tail to a smaller number of pins.

At Crystalfontz, we have a wide offering of breakout boards and development boards. Some of these boards are designed to be useable in a final design (such as the board on this 1.3″ TFT). While others are meant to be used during development of a project and then replaced by a custom PCB or other solution (like our generic Breakout Board).

We recommend only using solder down tails in products produced using a hot bar soldering machine. The fine pitch soldering required to a hand a solder down tail to a PCB makes solder bridges a very real possibility. However, these tails are great for high volume products.

Unless you are manufacturing your own displays, you most likely do not need to buy an LCD controller. (And we don’t sell them, but we do have many Controller datasheets available).

An LCD controller controls the voltages that go to individual pixels (or subpixels) in order to display characters and images. An LCD (or TFT/ePaper/OLED) Controller is embedded in the display during manufacture.

For chip on board displays, the board is an integral part of the display and the LCD controller is attached to the board. Segment controllers and other parts of the display are also visible on the board.

Displays need to be connected to a microcontroller (etc.) that will send the LCD controller instructions. Basic displays do not have memory to be able to store data, so a microcontroller is used to send the data to the display when it needs to be displayed. We often use the Seeeduinobecause it can be switched to a 3.3v logic level and it uses the easy and well supported Arduinoframework.

We can’t get too into detail here because there is simply too much. OLEDs, LCDs, TFTs, and ePapers all display images differently and are made of different materials.

KL-TFT028B-PCB is 240x320 dots 2.8" color tft lcd module display with ILI9341 controller and 4-wire resistive touch panel,superior display quality,super wide viewing angle and easily controlled by MCU such as 8051, PIC, AVR, ARDUINO, and ARM .

It can be used in any embedded systems,industrial device,security and hand-held equipment which requires display in high quality and colorful image.It supports 8080 8-bit,9-bit,16-bit,18-bit parallel,3-wire,4-wire serial spi interface. FPC with zif connector is easily to assemble or remove.

The LCD Panel Industry is always in change, many displays were out of production due to the materials shortage, we are willing to help our customers to find alternative suppliers to maintain the stability of their projects. We have established a good partnership with some Brand OLED Manufacturers, and we hope to be your long-term TFT LCD Display/OLED Screen Partner.

Hundreds, Thousands, Small batches are no problem. Not only TFT&OLED, Mono PMOLED, OLED, STN, but FSTN Displays are also welcome, we will try our best to help you.

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Our new line of 10.1” TFT displays with IPS technology are now available! These 10.1” IPS displays offer three interface options to choose from including RGB, LVDS, and HDMI interface, each with two touchscreen options as capacitive or without a touchscreen.

The new line of 3.5” TFT displays with IPS technology is now available! Three touchscreen options are available: capacitive, resistive, or without a touchscreen.

This 50-pin FPC SMT top-contact connector fits perfectly with our 2.8" TFT display with resistive touch screen. It is fine pitch so it is not so easy to solder! This is for expert SMT solderers.