TFT LCD Screen
TFT LCD Screen refers to a ‘Thin-Film-Transistor’ liquid-crystal display. TFT display technology allows for the construction of high-resolution LCD display screens with excellent contrast performance.
- Product Introduction
Innovate Optronics(GZ) Co., Ltd
We specialize in sales of all Innolux lcd panels and modules,we have sufficient inventory and favorable prices. We can also customize products according to customer's requirements.Customized touch screen,high brightness backlight,various interfaces,housing etc.We has focused on LCD panel industry for more than 20 years,we can provide customers with perfect and professional LCD solutions.Innolux is one of the most professional LCD panel manufacturers in the world,belongs to Foxconn Group.With its innovative and differentiated technologies, Innolux provides advanced display integration solutions, including 8K4K ultra-high resolution, AM miniLED, AM microLED, LTPS and touch solutions.
Why Choose Us
Accept ODM/OEM service
Products can be customized according to customer requirements, including touch screens, high-brightness backlights, various interfaces, shells, etc.
Rich Experience
We have been focusing on the LCD industry for more than 20 years and can provide customers with complete and professional LCD solutions.
One-stop Solution
Provide advanced display integration solutions, including 8K4K ultra-high resolution, AM miniLED, AM microLED, LTPS and touch solutions.
Competitive Price
We specialize in selling Innolux's full range of LCD screens and modules, with sufficient inventory and favorable prices.
Product Introduction:
INNOLUX 4.3 inch 480X3(RGB)X272 with touch panel TFT LCD shield AT043TN24 V.7.
Innolux is a professional LCD screen manufacturer under Foxconn Group.
Our company is a special dealer of Innolux,professional sales of all Innolux lcd screens and modules.
Product Introduction:
1.3.5 inch screen 320*240 with QVGA Resolution RGB interface LCD touch display.
2.100% Original Innolux 3.5 inch tft lcd display LQ035NC111.
3.We are a special dealer of Innolux,professional sales of all Innolux lcd screens and modules.We have a large stock and the best price.
Product Introduction:
1.INNOLUX EJ080NA-05B 8inch LCD panel module
2. TFT LCD display Resolution 800 X 3(RGB) X 600
3. Original and 100% Innolux LCD modules
4. Innolux is a professional LCD screen manufacturer under Foxconn Group. We are a special dealer of Innolux,professional sales of all Innolux lcd screens and modules.
Product Introduction:
1.RGB 800*480 WLED 7.0inch TFT lcd panel 50pin.
2.100% Original Innolux display At070tn92.
3.We are a special dealer of Innolux,professional sales of all Innolux lcd screens and modules.We have a large stock and the best price.
Product Introduction:
1.100% Original Chimei Innolux lcd.
2. Innolux TFT LCD screen AT070TN83 V.1 40pin TTL 6bit 7 inch.
3.Resolution 800 X 3(RGB) X 480
4.Innolux is a professional LCD screen manufacturer under Foxconn Group.
5.We are a special dealer of Innolux,professional sales of all Innolux lcd screens and modules.We have a large stock and the best price.
Product Introduction:
1.Original Innolux 7.0 inch LCD screen module 800X3(RGB)X480 Brightness 350 TTL 40 Pins Connector interface Laptop LCD screen for Industrial.
2.Innolux is a professional LCD screen manufacturer under Foxconn Group.
3.Our company is a special dealer of Innolux,professional sales of all Innolux lcd screens and modules.
Product Introduction:
1.Original INNOLUX 5.6inch LCD display screen panel module
2.50pin tft lcd display AT056TN52 V.3
3.Innolux is a professional LCD screen manufacturer under Foxconn Group
4.Our company is a special dealer of Innolux,professional sales of all Innolux lcd screens and modules.
Product Introduction：
1.Original Innolux 5 inch tft display ZJ050NA-08C.
2. 5" 640*480 LVDS lcd 5 inch tft lcd with AV/VGA input
3. Innolux is a professional LCD screen manufacturer under Foxconn Group.
4. Our company is a special dealer of Innolux,professional sales of all Innolux lcd screens and modules.
Product Introduction：
1.Original Innolux 4.3 inch tft lcd screen AT043TN25 V.2 with 480x272 and RGB 40 pin display.
2.Innolux is a professional TFT-LCD manufacturer under Foxconn Group.
3.Our company is a special dealer of Innolux,professional sales of all Innolux lcd panel and modules.
TFT LCD Screen refers to a 'Thin-Film-Transistor' liquid-crystal display. TFT display technology allows for the construction of high-resolution LCD display screens with excellent contrast performance. TFT displayed are favoured by camera manufacturers because they allow a cameras LCD display to show high resolution, color accurate reproductions of captured images. This allows photographers to make accurate judgements of their work on the fly, without having to upload images to a device with a higher quality display. TFT displays aren't just limited to cameras, they are also used in computer monitors, mobile phones, and home televisions.
Benefits of TFT LCD Screen
Clear screen quality and high resolution
TFT LCD Modules can achieve high-definition picture quality, rich color and delicate degree is also getting higher and higher. As a collection of acousto-optic electricity, in addition to rotating play pictures, TFT LCD Modules Screen can also receive a variety of signal transmission, real-time TV broadcast and dynamic video.
Wide coverage
TFT LCD Modules Screen has unique advantage at crowded places so that it takes up a relatively wide, stable, repeated contacted audience, which benefits for promoting brand, product information.
Safe and energy saving
TFT LCD Modules Screen is energy-saving. Brightness adaptive adjustment technology can further reduce energy consumption and light pollution, which is environmentally friendly.
What Parameters Do TFT LCD Screen Have?
Resolution and pixel density
Resolution is one of the basic parameters of displays - it determines the number of pixels the matrix has. The number of pixels (or lines) horizontally and vertically is given. Higher resolution allows more detail to be placed on the displayed image. Resolution is also related to pixel densitywhich is most often specified in pixels per inch (ppi). High density allows for a sharper and clearer image, especially when we observe the display from a short distance.
Dimensions and shape
TFT LCD Screen come in many sizes and shapes. Most often they are defined by specifying the diagonal length of the display area (in inches) and the aspect ratio of the long edge to the shorter one (e.g. 16: 9). However, the aspect ratio is often overlooked as the same information can be read from the resolution or dimensions of the screen. The dimensions of the frame and the touch panel (if any) are also important when selecting the display - they are usually given in millimeters. It is also worth using the diagrams and technical drawings included in the catalog card.
Brightness
The maximum brightness of the display is given in cd / m², commonly known as a rivet. Brightness has a significant influence on the readability of the display, especially in bright surroundings - for example in direct sunlight. As a benchmark, a typical computer display achieves a brightness of approx. 250cd / m². Our company's offer includes high-brightness displays, ensuring a clear image in all lighting conditions - for example, LCD TFT 7.0 ″, RGB 800x480 pixels display with a maximum brightness of 850cd / m².
Viewing angles and orientation
Some types of LCD displays have limited viewing angles - the image seen from certain angles loses contrast or becomes difficult to read. For this reason, the range of angles over which the image should be viewed is defined. These angles are defined in relation to the display axis. Moreover, in order to increase the functionality of the display, the range of viewing angles is often slightly tilted from the axis. This deviation is given as hourly orientation. For example, 12:00 o'clock means that the observed image should be slightly above the position of the display terminals, 6:00 o'clock - from the bottom.
Color range
A parameter that defines the color range of a given display. It is defined by specifying what percentage of a given color space (e.g. sRGB , Adobe RGB) is able to display a given matrix. The wider the range of colors, the more vivid and attractive the image is for the viewer. It is also of great importance in the case of professional displays used for graphics or video processing, where faithful image reproduction is important.
Application of TFT LCD Screen
Automotive Displays
TFT screens can be found in car instrument clusters, infotainment systems, and rear-seat entertainment systems, providing clear and dynamic visuals for navigation, entertainment, and vehicle information.
Industrial Equipment
TFT displays are used in industrial control panels, medical devices, testing equipment, and other machinery, offering reliable performance in various working environments.
Gaming Consoles
TFT displays are utilized in handheld gaming consoles and gaming devices, delivering vibrant graphics and smooth motion for an immersive gaming experience.
Avionics and Military Applications
TFT displays are employed in aircraft cockpits, control panels, and military equipment due to their ability to withstand rugged conditions and provide clear visual information.
Digital Signage
TFT display screens are used for advertising and information display in public spaces, transportation hubs, and retail environments due to their high brightness and visibility.
Components of TFT LCD Screen
The TFT LCD screen's power supply component
Part of the power supply: The switching power supply and the DC/DC converter make up the liquid crystal display's power supply circuit. Among them, the switching power supply is an AC/DC converter, its function is to convert the AC 220V or 110V (European standard) into a 12V DC power supply (some models are 14V, 18V, 24V, or 28V), supply DC/DC Converter and high-voltage board circuit; DC/DC DC converter is used to convert the DC voltage (such as 12V) generated by the switching power supply into 5V, 3.3V, 2.5V and other voltages, which are supplied to the driver board and the liquid crystal panel.
The TFT LCD screen's driver board
The main board, which is the primary circuit of the liquid crystal display, is also known as the driver board of the TFT LCD screen. The input interface circuit, A/D converter circuit, clock generator, Sealer circuit, microcontroller circuit, and output interface circuit make up the majority of its components.
The TFT LCD screen's keypad portion
Key board component: The key control board is where the key circuit and, in most cases, the indication lights are situated. The key circuit's purpose is to turn the circuit on and off. The key electronic switch is turned on when the switch is pressed, and it is turned off when the hand is released. The MCU on the driver board receives the switch signal output by the key switch. The control signal is output to control the pertinent circuit to finish the appropriate operation and action after being acknowledged by the MCU.
A TFT LCD screen component called the high-voltage board
High-voltage board component: The high-voltage board, which is frequently referred to as an inverter circuit or an inverter, is also sometimes referred to as a high-voltage strip since it is typically long and in the shape of a strip. Its job is to transform the power supply's low-voltage DC output into the high-frequency, high-voltage AC needed by the liquid crystal panel, which powers the LCD panel's backlight. This voltage must be above 600 volts. There are primarily two installation types for the high-voltage board of the TFT LCD screen: The switching power supply circuit is put alongside it on a separate circuit board and uses an internal switching power supply.
Resolution
The resolution of the panel determines the clarity and sharpness of the displayed images. For applications that require detailed visuals, opt for a panel with higher resolution.
Size
The size of the panel is another crucial factor to consider. Depending on the space available and viewing distance, choose a size that ensures optimal visibility for your audience.
Brightness and Contrast Ratio
Brightness and contrast ratio play a significant role, especially in outdoor environments where visibility can be challenging. Look for panels with high brightness levels and contrast ratios to ensure excellent readability in all lighting conditions.
Durability and Reliability
Depending on the intended use, durability and reliability are paramount. If the panel will be exposed to harsh environmental conditions or frequent use, opt for a ruggedized and dependable option that can withstand the rigors of your application.
Touch Functionality
If touchscreen capability is required for your project, ensure that the TFT LCD panel supports this feature. Capacitive or resistive touchscreens offer different levels of sensitivity and responsiveness, so choose according to your specific needs.
The Main Features of TFT LCD Screen
Good use characteristics
Low-voltage application, low driving voltage, solidified use safety and reliability improvement; flat, light and thin, saving a lot of raw materials and use space; low power consumption, its power consumption is about crt display one tenth, reflective tft-lcd is only about 1% of crt, which saves a lot of energy; tft-lcd products also have specifications, sizes, series, variety, convenient and flexible use, maintenance, update , easy upgrade, long service life and many other features. The display range covers the application range of all displays ranging from 1 inch to 40 inches and the large plane of projection.
Good environmental protection characteristics
No radiation, no flicker, no damage to the user's health. In particular, the emergence of tft-lcd electronic books and periodicals will bring human beings into the era of paperless office and paperless printing, triggering a revolution in the way humans learn, spread, and document civilization.
Wide application range
Can be used normally within the temperature range from -20℃ to +50℃, and the low-temperature working temperature of the tft-lcd after temperature strengthening treatment can reach minus 80℃. It can be used as a mobile terminal display, desktop terminal display, and can also be used as a large-screen projection tv. It is a full-size video display terminal with excellent performance.
Integrate and update
Tft-lcd is easy to integrate and update, it is the perfect combination of large-scale semiconductor integrated circuit technology and light source technology, and there is great potential for continued development. There are currently amorphous, polycrystalline, and monocrystalline silicon tft-lcds, and in the future there will be tfts of other materials, both glass substrates and plastic substrates..
Process of TFT LCD Screen
The structure of the LCD display is like a sandwich, with the liquid crystal sandwiched between two glass substrates. The two glass substrates are TFT Array glass and color filters. There are countless pixels arranged on the TFT Array glass, and the color filters are an important source of the color of the picture. The liquid crystal is mixed between the TFT Array and the color filters. When the voltage is on the TFT (transistor), the liquid crystal turns, and the light passes through the liquid crystal to produce a pixel on the panel, and this light source is provided by the backlight module. At this time, the color filter gives each pixel a specific color. The final image displayed by combining each pixel of different colors is the image on the front of the panel.
TFT-LCD factories have evolved from the previous 1st generation factories to today's 7.5th generation factories. The difference between the factories of each generation lies in the size of the glass substrate. The larger the glass substrate, the larger the panels can be cut. For example, a 7.5-generation glass substrate has a size of 195cm x 225cm and can be cut into eight 42-inch panels or six 46-inch panels.
The TFT-LCD manufacturing process can be divided into three major stages: Array in the front stage, Cell in the middle stage, and module assembly in the rear stage.
The front-end Array process is similar to the semiconductor process, but the difference is that the thin film transistor is made on glass instead of silicon wafer.
The Cell in the middle section uses the TFT Array glass from the previous section as a substrate, which is combined with a colored filter glass substrate. Liquid crystal is dropped between the two glass substrates and then laminated together, and then a large piece of glass is cut into a panel.
The assembly process of the back-end module is the assembly and production of glass after the Cell process and other components such as circuits, frames, backlight panels, etc.
How to Maintain TFT LCD Screen
Cleaning Your TFT LCD Display
Regularly cleaning your TFT LCD display is crucial to keep it free from dust, fingerprints, and smudges that can affect the image quality. To clean your display effectively, start by turning off the device and disconnecting it from the power source. Use a soft, lint-free cloth or microfiber cloth to gently wipe the screen in a circular motion. Avoid using harsh chemicals or abrasive materials that could damage the screen.
Avoid Direct Sunlight
Exposure to direct sunlight for prolonged periods can cause damage to your TFT LCD display. The intense heat and UV rays can lead to discoloration, image burn-in, or even permanent damage. To protect your display, position it away from windows or use curtains or blinds to block direct sunlight.
Adjusting Brightness and Contrast
Adjusting the brightness and contrast levels of your TFT LCD display is not only essential for optimal viewing experience but also helps to extend its lifespan. Use the display settings to find the right balance of brightness and contrast that suits your needs. Avoid setting the brightness level too high, as it can accelerate the aging process of the display.
Power Management
Proper power management is crucial for maintaining your TFT LCD display. Avoid leaving your display on for extended periods when not in use. Set your computer or device to automatically enter sleep mode or turn off the display after a certain period of inactivity. This not only conserves energy but also helps to extend the lifespan of your display.
Avoid Screen Burn-in
Screen burn-in is a common issue that can occur with TFT LCD displays, especially if static images or logos are displayed for long periods. To prevent screen burn-in, avoid displaying static images at high brightness levels for prolonged periods. Additionally, use screensavers or power management features that activate after a certain period of inactivity.
Use a Screen Protector
Investing in a high-quality screen protector can provide an extra layer of protection for your TFT LCD display. Screen protectors are designed to shield the screen from scratches, dust, and fingerprints. Make sure to choose a screen protector specifically designed for TFT LCD displays to ensure optimal clarity and touch sensitivity.
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