The display quality of the TFT display is high
Because every point of the TFT display screen keeps the color and brightness after receiving the signal, and emits constant light, unlike the cathode ray tube display (CRT) that needs to constantly refresh the bright spot. Therefore, the LCD panel TFT has high image quality and will never flicker, minimizing eye fatigue.
The power consumption of the TFT display is small
The traditional display screen is composed of many circuits. When these circuits drive the cathode-ray picture tube to work, they need to consume a lot of power, and as the volume increases, the power consumed by the internal circuit will definitely increase. In contrast, the power consumption of the TFT liquid crystal display screen is mainly consumed on its internal electrodes and driver IC, so the power consumption is much smaller than that of traditional displays.
The picture effect of the TFT display is good
Compared with traditional display screens, the LCD panel TFT uses a purely flat glass plate from the beginning, and the display effect is flat and right-angled, giving people a refreshing feeling. Moreover, LCD monitors are easier to achieve high resolution on small screens. For example, a 17-inch LCD monitor can achieve a resolution of 1280×1024, while a 18-inch CRT color display usually uses a resolution of 1280×1024 or more which is not completely satisfactory.
TN (Twisted Nematic) Type
One of the most established and affordable types of LCD display technology is the TN type TFT LCD display. Although TN TFT LCD screens offer quick reaction times, its principal benefits are poor color reproduction and constrained viewing angles. Depending on the viewing angle, colors will change. To make matters worse, it has a gray scale inversion issue with the viewing angle. The primary genetic problems required a considerable deal of work from scientists and engineers to address. Although modern TN displays can appear noticeably better than previous TN displays from decades ago, TN TFT LCD screens still generally have worse viewing angles and color compared to other TFT LCD technologies.
IPS (In-plane switching) Type
Hitachi Ltd. created the IPS TFT LCD display in 1996 to enhance TN panels’ low viewing angles and subpar color fidelity. Its moniker is a result of the in-cell twist/switch distinction it has from TN LCD panels. Instead of moving perpendicular to the panel plane, the liquid crystal molecules travel parallel to it. With this modification, the matrix’s light dispersion is reduced, improving the broad viewing angles and color reproduction that are distinctive to IPS. Although IPS TFT displays are more expensive to produce and have lower panel transmission rates than TN type TFT displays, these drawbacks do not prohibit them from being employed in high-end display applications that need excellent color, contrast, viewing angles, and clear pictures.
MVA (Multi-Domain Vertical Alignment) Type
Multi-domain Vertical Alignment (MVA) technique was created by Fujitsu.With its uniform alignment of the liquid crystal molecules, mono-domain VA technology is frequently utilized for monochrome LCD displays to produce a clean black backdrop and improved contrast. It also causes the brightness to change with the viewing angle.This issue is resolved by MVA by giving the liquid crystal molecules on a single pixel more than one orientation. This is accomplished by segmenting each pixel into two or four domains, which are then used to pretilt the liquid crystal molecules in different directions utilizing protrusions on the glass surfaces. This may be done to make the brightness of the LCD panel look consistent from a variety of viewing angles.
AFFS (Advanced Fringe Field Switching) Type
This LCD technology was developed by the Korean company Boe-Hydis and is based on IPS. Advanced fringe field switching, also known as fringe field switching (FFS) before 2003, is a technology that is comparable to IPS and offers greater performance, a wide color range, and high luminance. By expanding the white gamut, which also improves white/grey reproduction, color shift and deviation brought on by light leakage are rectified. Hydis Technologies Co., Ltd. (formerly Hyundai Electronics, LCD Task Force), a Korean company, creates AFFS.
Retail Revolution
Imagine a virtual shopping experience where you can explore products, read detailed descriptions, and make purchases simply by tapping on a screen. TFT touch screen modules enable retailers to revolutionize their customers' shopping journeys, creating engaging and interactive displays that bridge the gap between physical and digital worlds.
Automotive Advancements
TFT LCD touch screens have become a staple in modern vehicles, transforming traditional dashboards into futuristic control centers. With a simple touch, drivers can effortlessly navigate through navigation systems, adjust climate settings, and access a plethora of entertainment options, all without taking their eyes off the road.
Smart Home Innovation
In the era of smart homes, TFT LCD touch screens serve as command centers, enabling homeowners to control lighting, security systems, and even kitchen appliances with a touch of their fingertips. From adjusting the ambiance to brewing a perfect cup of coffee, these touch screen modules bring convenience and interconnectedness to our living spaces.
TFT Matrix
At the heart of every TFT display lies the TFT matrix, also known as the active matrix. This intricate arrangement of tiny transistors acts as the control center, enabling precise control over each pixel on the screen. These transistors are responsible for regulating the amount of current flowing through each pixel, determining its brightness and color. The TFT matrix is what sets TFT displays apart from their passive matrix counterparts, allowing for faster response times and improved image quality.
Color Filters
Ever wondered how TFT displays achieve such vibrant colors? Enter color filters! Color filters play a pivotal role in enhancing the visual experience by allowing each pixel to display a specific color. They are composed of tiny red, green, and blue (RGB) sub-pixels, which combine to produce a wide spectrum of hues and shades. These filters are meticulously aligned with the TFT matrix to ensure accurate color representation and a lifelike visual feast.
Backlighting
To illuminate the TFT display and make its magic visible, we need backlighting. The backlight is a critical component that provides the necessary illumination for the screen. Typically, TFT displays employ either Cold Cathode Fluorescent Lamps (CCFLs) or Light Emitting Diodes (LEDs) as their light source. LED backlighting has gained popularity due to its energy efficiency and superior color reproduction. It allows for better contrast, deeper blacks, and sharper images, thereby enhancing the overall viewing experience.
Polarizing Filters
Polarizing filters are the unsung heroes of TFT displays. These thin films help control the light entering and exiting the display, reducing glare and enhancing visibility. By selectively filtering light waves, polarizing filters improve contrast and minimize reflections, making the display more readable even under bright lighting conditions. They work in tandem with the TFT matrix, color filters, and backlighting to create a visually stunning and comfortable viewing environment.
Glass Substrate
Last but not least, the glass substrate serves as the foundation for the entire TFT display. It provides structural integrity, protecting the delicate layers above and below it. The glass substrate is engineered to be optically transparent to ensure unobstructed passage of light. Furthermore, it is precisely manufactured to maintain uniformity across the entire surface, enabling consistent image quality from edge to edge.
TFT LCD Displays' Key Features
Stunning color
This display type is known for its exceptional clarity, contrast, and color brightness.
Longer half-life
TFT displays have a longer half-life than LEDs and are available in a wider number of configurations, all of which might affect the device's half-life depending on usage and other circumstances.
Touch screen options
TFC displays can have a resistive or capacitive touch panel. Because resistive is less expensive, it is frequently used in numerous applications. A capacitive touch screen, on the other hand, is a fantastic choice because it works with most recent smartphones and mobile devices.
No monitor ghosting
This is not an issue with TFT displays since the display maps out the number of pixels in the source image relative to the resolution pixels on display, resulting in greater image quality and clarity. Monitor ghosting occurs when a moving image or object is followed across the screen by a hazy image (and resembling a ghost).
Exceptional versatility
TFT displays are available in a variety of interface configurations, making them compatible with a wide range of devices and allowing for a wide range of technological capabilities.
Size
It is the start point for every project. There are two dimensions to consider: outside dimension (width, height, thickness) and AA (active area or pixel area). Orient Display’s standard product line ranges from 1.0” to 32”. Our OLED size can go down to 0.66” which fit for wearable devices.
Resolution
Resolution will decide the clearance. Nobody likes to see a display showing pixel clearly. That is the reason for better resolution, going from QVGA, VGA to HD, FHD, 4K, 8K. But higher resolution means higher cost, power consumption, memory size, data transfer speed etc. Orient Display offers low resolution of 128×128 to HD, FHD, we are working on providing 4K for our customers. For full list of resolution available, please see Introduction: LCD Resolution
Aspect Ratio or Orientation
Orientation of either landscape or portrait has to be taken into consideration. Beside Aspect Ratio is also very important. You might be satisfied with 4:3 in the past, now, you might be willing to trying wider screen like 16:9 or even 21:9.
Brightness
TFT screen brightness selection is very important. You don’t want to be frustrated by LCD image washout under bright light or you drain the battery too fast by selecting a super brightness LCD but will be used indoor only. There are general guidance listed in the table below.
Orient Display offers standard brightness, medium brightness , high brightness, and high end sunlight readable IPS TFT LCD display products for our customers to choose from.
Viewing Angle
If the budget is tight, TN type TFT LCD can be chosen but there is viewing angle selection of either 6 o’clock or 12 o’clock. Gray scale inversion needs to be taken of carefully. If a high-end product is designed, you can pay premium to select IPS TFT LCD which doesn’t have the viewing angle issue.
Contrast Ratio
It is similar to viewing angle selection, TN type TFT LCD has lower contrast but lower cost, while IPS TFT LCD has much high contrast but normally with higher cost. Orient Display provides both selections.
1. First, we must confirm with the customer where special design is needed according to the drawings sent by the customer.
2. Then we designed the display screen scheme for the whole machine according to the customer's requirements. After continuous communication between us, we sent the drawing of the TFT display screen assembly to the customer for confirmation.
3. After the customer sees our drawings and is confirmed to be correct, they will formally enter the project approval stage to conduct sample research and development. After the customer receives the TFT display screen sample, they will debug with the whole machine, and enter the next small batch stage after one pass.
Avoid vibration
The LCD screen of the LCD is very fragile, to avoid strong shock and vibration. Do not apply pressure to the LCD screen of the LCD or bump or squeeze the LCD display back cover.
Avoid using the screen for a long time
Long-term work is not a good thing for LCD, if you are not in use, you must turn off the monitor power. For the same reason, use wallpapers and screensavers with caution when using LCDs. The screens of most wallpapers and screensavers are colorful, and the contrast of light and dark changes is strong. Prolonged use will distort the LCD color, thus affecting the life of the LCD display. Therefore, it is best to use a monochrome screen and cancel the screen saver when using the LCD.
Prevent electromagnetic interference
Whether it is a CRT or TFT LCD display, keep away from objects with strong magnetic fields. The surrounding strong magnetic field will cause additional voltage inside the display, which affects the stability of the display voltage. Being in a strong magnetic field for a long time will also distort the color, which will affect the display effect and life span of the LCD.
Be careful of humidity
Do not allow any moisture to enter the LCD. If the indoor humidity is too high, condensation may occur inside the LCD, resulting in leakage and short circuit of the LCD, and serious damage to the display. For some southern areas with high humidity, you can place the LCD in a warmer and dry place, or you can periodically bake the back of the LCD screen with a low-power desk lamp to allow the moisture in it to evaporate.
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. Its product lines also covers various display applications, such as TV panels, desktop monitors an.
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