tft lcd module connector pinout brands

A 2.4” TFT LCD module consists of a bright backlight (4 white LEDs) and a colourful 240X320 pixels display. It also features individual RGB pixel control giving a much better resolution than the black and white displays. A resistive touch screen comes pre-installed with the module as a bonus and hence you can easily detect your finger presses anywhere on the screen.

The TFT comes with an auto-reset circuit which gets active on every breakout. However, a user can reset the module using this pin also, in case setup is not resetting clean.

The TFT comes with an auto-reset circuit which gets active on every breakout. However, a user can reset the module using this pin also, in case setup is not resetting clean.

Resistive Touch Pins – Y+, X+, Y-, and X- are the 4 resistive touch pins which require analog pins to read and determine touch pins. Their overlay is fixed at the top of the module which makes them electrically separate from the TFT. They can be used is 8-bit as well as SPI mode.

The 2.4” TFT LCD module supports many modes. However, two of them are very popular among users – “SPI mode” and “8-bit mode”. The display contains pins on both sides required for a mode and a user can switch easily between them by simply rewiring the display. It should be noted that only one mode can be used at a time.

A 2.4” TFT module has a very flexible usage. It is compatible with all your DIY projects where you want to add a bright, colourful, and touchscreen enabled display.

This article about TFT display interfaces was written by Julia Nielsen. Julia Nielsen is a jack-of-all-trades writer, having written for newspapers, magazines, websites, and blogs for the last 15 years. When she’s not dabbling in the written word, she’s spending time with her beautiful granddaughter. She loves to hear from readers, especially when they offer chocolate.

When color TFT (Thin-Film Transistors) first came onto the stage, they created a buzz in the tech world that hasn’t stop buzzing since. TFT utilizes a type of display that controls each pixel with a transistor, allowing it to individually address each location.

As TFT yields improved with mass production, manufacturing, as well as healthy competition, TFT displays have soared in production performance and dived in price. Because of this, TFTs are considered the de facto standard of displays that boast of full color, brightly backlit (high NIT counts), high video speeds, better viewing angle, specifically for mobile devices and other small devices needing clear displays, such as phones, watches, security systems, and the like.

OLED (organic light-emitting diode) are increasing in popularity, but are still second to TFTs. Much of this is due to the long lead time and shorter half-life of the OLED displays. Although we offer OLED technology, we recommend TFT for the majority of the new design requests we receive.

There are several types of TFT display interfaces which have been designed in the last number of years for all variations of screen size, including LVDS, (Low-Voltage Differential Signaling) parallel, SPI (Serial Peripheral Interface) and I2C or I²C (aka I squared C) display.

Low-voltage differential signaling was first designed in the early 1990’s and has seen its popularity mainly in LCD-TVs, industrial cameras, notebook and tablets, and communication systems. LVDS is a technical standard that specifies electrical characteristics of a differential, serial communications protocol, which allows the operation of low power, but very high speed using inexpensive twisted-pair copper cables.

Note: Most TFT displays will operate down to -30C without the need of a heater. OLEDs will operate down to -40C without a heater, but OLEDs that are larger than 3.5” are much more expensive and have a longer lead time than TFTs.

Newer PC’s have eliminated parallel interfaces in exchange for fire wire, USB2 and USB3. Parallel interfaces are still the most common for several LCD technologies such as character and monochrome graphics.

Parallel interface is nothing new, going back to the beginning of the 1970’s in its development and implementation. The first printer to use the interface was the Centronics 101 model printer, which became the standard at that time. But because a number of cables were required, Dataproducts and other developers had to create up to 50-pin connectors.

Fast forward to 1981 and IBM introduced their computers and printers with a 25-pin connector on the PC end and a 36-pin connector on the Centronics printer, thus the parallel interface had evolved to using both systems. In 1987, IBM introduced a bidirectional parallel interface. Since then, the parallel interface has evolved, with other companies developing their own, with even more parallel ports, including scanners.

As far as these two TFT display interfaces, we find that SPI is more popular than I2C when designing a custom LCD. We get hit with questions such as:Why is SPI more popular than I2C?

TFTs and OLEDs are standard, off-the-shelf displays that come with the interface already chosen for you. In many of the TFTS that Focus Display Solutions offers, the built-in controller allows the user to select from multiple display interfaces. Including RGB (Red, Green, Blue).

As a general rule, the larger the display the better it is to choose a LVDS interface since it transfers data so quickly. LVDS is more expensive than SPI, I2C, RGB and parallel. If you are not sure which display to use, try our online Quick LCD selector tool. The displays in this selector tool are in-stock and can ship the same day.

Need a LCD for a new project? Not sure which technology to choose? Contact a real human at Focus Displays now to begin your design process by calling us at 480-503-4295. Or, you can fill out the contact form and we"ll email or call you immediately.

The Toradex module provides LCD interface(18/24-bit) which can be used to connect most of the RGB LCDs available in the market. On Apalis/Colibri Evaluation boards or Iris/Ixora/Viola carrier boards, a Unified Display Interface is provided to connect the RGB LCD to the EDT.

We have found the following 40 pin interface which many LCD manufacturers support (pin-outs mentioned below in the table), so we thought of doing an example display adapter board to make it easy for our customers.

NOTE: Generic Display Adapter Board design is just an example, not fully optimized for production. Toradex do not manufacture these boards, but we have given all design data.Also change the over-voltage and current resistors on the display adapter board according to the backlight power requirements of the LCD to connect.

NOTE: Please note that this version of the Generic Display Adapter is only compatible with displays supporting 40 pin standard interface pinout, in which resistivetouch screen signals are also available on the same connector.

Touch section is not compatible to adapter board LCD side 40 Pin connector(X7) due to touch signals not coming to 40 Pin flex cable, but via another four wire flex cable. We have for the same reason given another connector(X10) on adapter board which routes touch signals.

The 1.8inch LCD uses the PH2.0 8PIN interface, which can be connected to the Raspberry Pi according to the above table: (Please connect according to the pin definition table. The color of the wiring in the picture is for reference only, and the actual color shall prevail.)

ST7735S is a 132*162 pixel LCD, and this product is a 128*160 pixel LCD, so some processing has been done on the display: the display starts from the second pixel in the horizontal direction, and the first pixel in the vertical direction. Start to display, so as to ensure that the position corresponding to the RAM in the LCD is consistent with the actual position when displayed.

The LCD supports 12-bit, 16-bit and 18-bit input color formats per pixel, namely RGB444, RGB565, RGB666 three color formats, this routine uses RGB565 color format, which is also a commonly used RGB format

2. The module_init() function is automatically called in the INIT () initializer on the LCD, but the module_exit() function needs to be called by itself

Python has an image library PIL official library link, it do not need to write code from the logical layer like C, can directly call to the image library for image processing. The following will take 1.54inch LCD as an example, we provide a brief description for the demo.

The demo is developed based on the HAL library. Download the demo, find the STM32 program file directory, and open the LCD_demo.uvprojx in the STM32\STM32F103RBT6\MDK-ARM directory to check the program.

image.cpp(.h): is the image data, which can convert any BMP image into a 16-bit true color image array through Img2Lcd (downloadable in the development data).

First, let us start with dividing internal and external interfaces in LCD modules. Internal interface of display means it used inside the device. Those are usually the embedded interfaces that are not visible, and we do not have access to them as the users of the device. External interfaces, on the other hand, are connected to the device using a cable. Once we have defined internal and external interfaces, both of these categories come as universal or image transfer interfaces.

It can be fast but is not fast enough for live video. The baud rate can be 1 MBd, but it can also be 10 MBd or even 50 MBd on the SPI or QSPI. QSPI is a Quad SPI, a kind of modification of SPI that is faster. But still this interface is very universal, we can use it to connect memory or some input and outputs internally in our device. In the display universe the SPI is used for simple displays, for small size displays, where we can transfer the image relatively fast, because the resolution is low. The maximum size for SPI display interface would be 3.5 inch, 320 by 240 pixel TFT displays. If we have higher resolution, image transfer will be too slow to use SPI even with a high-speed SPI.

The next interface, a very old one nowadays, is RS232. This is also a serial, slow interface, which can be used internally in the device or externally. On the picture above we can see the external connectors, but it is still being used internally because it has a variation – UART.

These Riverdi products are very advanced Intelligent Displays, made with Bridgetek controllers. The controllers use SPI and QSPI for communication. That means your software, your system, your microcontroller can be simple. You can use SPI interface to drive them, and you can still have high resolution image, even as high as 1280 by 800 pixels in 10.1-inch LCD displays. So, please remember that if you want to use a slow universal interface and have a high-resolution image, you need to use an Intelligent Display.

The most common internal image transfer interface in industrial LCD displays nowadays is LVDS – Low Voltage Differential Signal. A crucial feature of this interface is that it is differential. It means that the signal is immune to interference and we can use a twisted pair of wires to transfer the data. We can send data fast and it will not be corrupt by any noise, interference. This kind of data corruption is quite common in other interfaces.Key Takeaway: In LVDS display interface the differential signal allows you to send the signal at a very high speed and keep it safe from noise.

12 inch screen size is the total maximum for a LCD display with RGB interface, but the resolution will be lower, like 800 by 600. For this display size it is very low resolution. This is the reason why the 7-inch is size above which the LCD displays are being switched from RGB to LVDS interface. Among Riverdi products (if you go to the Riverdi website and to the IPS display tab), there are displays without the controller, and the small displays like 3.5-inch, 4.3-inch and 5-inch are equipped with RGB interface. But when you go to the 7-inch LCD displays tab on Riverdi website, you will find RGB, LVDS and MIPI displays. But when you go to the 10-inch or bigger displays, you will only find the LVDS displays because our 10-inch LCD displays are high resolution 1280 by 800, and it is impossible to build it with the RGB interface.Key Takeaway: RGB is low speed and not immune to noise. Use it for the smaller size displays or with lower resolution.

MIPI – Mobile Industry Processor Interface – is an internally embedded image transfer interface, getting popular these days. This kind of interface is used in mobile applications, tablets or mobile phones, but it is entering as an option in industrial applications. In Riverdi we offer 7-inch MIPI displays, but please be careful with other MIPI displays on the market. Many come from mobile phones or tablet market. Also, the TFT glass availability may not be stable as the mobile market changes really fast, every six months or every year. When you buy a 7-inch Riverdi MIPI interface display you are safe, because it is an industrial display.

The last internal image transfer interface is Embedded DisplayPort (eDP). We call it the new LVDS, because many new industrial displays are equipped with the eDP. If you go through industrial manufacturers of TFT LCD displays, you will notice increasing number of models available with the eDP. eDP is also a native interface in new Intel or AMD based processors.Key Takeaway: With the embedded DisplayPort as a native display interface you can cut down costs, because you do not need anything extra to connect a display to the processor.

Now, with the processors on the market, we need displays with embedded DisplayPort. Many laptops or monitors already use embedded DisplayPort as an internal interface instead of LVDS. LVDS still is the most popular industrial LCD display interface. All the internal image transfer interfaces like MIPI, Vx1 and eDP are variations of LVDS, where the protocols and the signals are a little bit different. For example, for eDP we can have lower noise and reduced power consumption. All of them have advantages over regular LVDS, but they are all LVDS type.

USB-C transmits up to 100 watt of power, because you can increase voltage and current. In a regular USB it is usually 5 volt and 0.5 or 1.0 amp, so only a couple watts. In USB-C you increase the voltage up to 20 volt and with the 5 amp current, so in total it’s even 100 watt of power.  This interface is made not only for data, but for real power transfer. Through USB-C you can charge your phone and your laptop. If you buy a new laptop right now, you may even not get a regular power connector, but only an USB-C. The USB-C is a very smart interface. If you connect the devices, they can negotiate with each other which one has more power. For example, if we connect a charger to a laptop, the charger has more power and will charge the laptop, but if you connect the laptop with the same interface to your mobile phone, then they will discuss the power levels, and of course the laptop will be charging the phone. You can already find monitors on the market that have USB-C instead of HDMI. Those monitors can be powered from your computer and need only one USB cable, both for image transfer and power.  For sure the future belongs to USB-C implementations.Key Takeaway: USB-C is a really smart, universal and fast interface for displays. It comes with power transmission option.

Let’s move on to image transfer interfaces. The most common one is HDMI – High-Definition Multimedia Interface. M stands for Multimedia, because it transfers image with sound. If you connect your computer to your TV set with HDMI, you will need one cable for both the video and the audio. There are variations of HDMI connectors:standard HDMI,

The connector is little bit different in each, but the pinout and everything else stays the same.Key Takeaway: HDMI is an extremely popular and easy to use interface. It can send both multimedia A/V data.

I have a TFT Touch Screen Display from Tontec that I"m using for a project. According to the product description the display only uses 8 pins. However, the connector cable takes up 26 pins worth of space and I would like to use the other pins as well.

I was going to manually connect the necessary cables, however I haven"t been able to figure out which pins to use. I was hoping this pinout would match, but it didn"t work.

In this Display 101 article we discuss thedigital parallelRGB LCD display interface and how the row and column driving signals are generated from the digital parallel RGB interface.

An LCD display consists of an array of liquid crystal segments. The crystal itself doesn’t emit light. With no electrical field, crystals organize in a random pattern. When an electric field is applied, the crystals align to the electrical field. Various strength of electric fields works like a “gate” to pass different intensity of backlight through the crystals. If the crystals are aligned perpendicular to the backlight, then the backlight can’t pass through the crystals. [1]

From the electronic structure point of view, an LCD panel consists of a grid of electrical signals. The pixels are addressed by a matrix where every interaction belongs to a pixel. Each pixel is connected perpendicularly to the row and column through a transistor. When the row and column are selected by an IC controller, the responding pixel at the interaction of the row and the column is enabled or disabled.[2]

How to generate a specific color for a pixel? Each pixel is composed of 3 segments that individually pass light through a red, green, and blue filter, to make an RGB display color pixel. For a 320*240 RGB TFT display, there are 960 (320*3) columns and 240 rows.

Most LCD displays have a digital parallel RGB interface. It works between the graphic controller as a signal source and the input of the RGB display module.

The image data is transmitted digitally as “0 ”or “1 “ by TTL voltage levels. For the RGB interface, each of the signals has a corresponding line. Below are the signal connections of the LCD RGB display interface of 24 bits per pixel.

※Price Increase NotificationThe TFT glass cell makers such as Tianma,Hanstar,BOE,Innolux has reduced or stopped the production of small and medium-sized tft glass cell from August-2020 due to the low profit and focus on the size of LCD TV,Tablet PC and Smart Phone .It results the glass cell price in the market is extremely high,and the same situation happens in IC industry.We deeply regret that rapidly rising costs for glass cell and controller IC necessitate our raising the price of tft display.We have made every attempt to avoid the increase, we could accept no profit from the beginning,but the price is going up frequently ,we"re now losing a lot of money. We have no choice if we want to survive. There is no certain answer for when the price would go back to the normal.We guess it will take at least 6 months until these glass cell and semiconductor manufacturing companies recover the production schedule. (Mar-03-2021)

Impact: ER-TFT043-7 is the same with ER-TFT043A1-7 in mechanical dimension and electrical spec in our testing.As old customer,we recommend you test samples before mass order.

ER-TFT043A1-7 is 4.3 inch IPS TFT LCD 800x480 dots display, with driver IC ST7262E43 and optional capacitive touch panel or resistive touch panel,superior display quality,full view angle and easily controlled by MCU such as PIC, AVR, ARDUINO,ARM and Raspberry portable or handheld device.PI.

It can be used in any embedded systems,car,mp4,gps,industrial device,security and hand-held equipment which requires display in high quality and colorful image.It supports rgb interface. FPC with zif connector is easily to assemble or remove.Of course, we wouldn"t just leave you with a datasheet and a "good luck!".Here is the link for 4.3"TFT Touch Shield with Libraries, Examples.Schematic Diagram for Arduino Due,Mega 2560,Uno and 8051 Microcontroller Development Board&Kit.

Established in 1998, Winstar Display Co., Ltd. is a reliable LCD Display Module Manufacturer and LCD Panel Supplier. Winstar has development of high-quality display module products. We operate worldwide, configure, service products, and also provide logistics support to deliver products and services competitively. We provide LCM Modules including monochrome TN/STN/FSTN LCM, COG LCD, TFT LCM / TFT panels, FSC-LCD, graphic LCM, character LCD displays, OLED display modules (PMOLED), custom LCD displays, OLED and LCD panel.

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.

The FRD7040TP-T is a diagonally measured 7" color TFT display module with 800(RGB)X480 resolution and 24bit RGB digital interface. Each pixel is divided into Red, Green and Blue sub-pixels and dots which are arranged in vertical stripes.

LCD color is determined with 262,000 colors signal for each pixel plus 256 gray scale with dithering to realize 16M colors. The FRD7040TP-T has been designed to apply the interface method that enables low power, high speed, and high contrast. The FRD7040TP-T is intended to support applications where thin thickness, wide viewing angle and low power are critical factors and graphic displays are important.