tft lcd pixel size manufacturer
The main lines of LCD modules are size in 0.96-inch, 2-inch, 2.3-inch, 2.4-inch, 3-inch, 3.5-inch, 4.3-inch, 5-inch, 7-inch, 8-inch, 10.1-inch, 13.3-inch, 15.6-inch, and ancillary products.
Raystar is a global leading LCD panel supplier and specialized in producing TFT LCD Panel, including Color TFT, Monochrome TFT Display and bar type TFT Display. Raystar Color TFT displays are available in various resolutions and offers a wide product range of small to medium-sized TFT-LCD modules from 0.96” to 12.3". The interface options are in MCU / RGB / SPI / UART / 8080 / LVDS. TFT Panel with control board or TFT LCD Panel with micro controller are also available.
US Micro Products manufactures a wide selection of TFT LCD (Active Matrix LCDs) displays to accommodate the needs of OEMs across many different industries, including medical, industrial, gaming, military and many more.
An array of available interfaces, brightness levels, and temperature ranges ensure that our TFT LCDs work well with your design and in the environment of your choice
The provided display driver example code is designed to work with Microchip, however it is generic enough to work with other micro-controllers. The code includes display reset sequence, initialization and example PutPixel() function.
Please see the DT028CTFT for reference designs. The schematics between the A and the C are the same with the exception that the A does not have the IPS interface.
Pixel, also called Picture Element, A pixel is the smallest unit of a digital image or graphic that can be displayed and represented on a digital display device. A pixel is the basic logical unit in digital graphics. Pixels are combined to form a complete image, video, text, or any visible thing on a computer display
LCD display doesn’t operate the same way as CRT displays , which fires electrons at a glass screen, a LCD display has individual pixels arranged in a rectangular grid. Each pixel has RGB(Red, Green, Blue) sub-pixel that can be turned on or off. When all of a pixel’s sub-pixels are turned off, it appears black. When all the sub-pixels are turned on 100%, it appears white. By adjusting the individual levels of red, green, and blue light, millions of color combinations are possible
The pixels of the LCD screen were made by circuitry and electrodes of the backplane. Each sub-pixel contains a TFT (Thin Film Transistor) element. These structures are formed by depositing various materials (metals and silicon) on to the glass substrate that will become one part of the complete display “stack,” and then making them through photolithography. For more information about TFT LCDs, please refer to “
The etched pixels by photolith process are the Native Resolution. Actually, all the flat panel displays, LCD, OLED, Plasma etc.) have native resolution which are different from CRT monitors
HD TV has 1280×720 = 921,600 pixels; Full HD has 1920x 1080=2,073,600 pixels; 8K TV has 7,680×4,320=33,177,600 pixels. he “K” in 8K stands for Kilo (1000), meaning a TV that has achieved a horizonal resolution of about 8,000 pixels.
Although we can define a LCD display with resolution, a Full HD resolution on screen size of a 15” monitor or a 27” monitor will show different. The screen “fineness” is very important for some application, like medical, or even our cell phone. If the display “fineness” is not enough, the display will look “pixelized” which is unable to show details.
PPI stands for number of pixels per inch. It is kind of pixel density. PPI describes the resolution of a digital image, not a print. PPI is used to resize images in preparation for printing
But you see other lower resolution available, that is because video cards are doing the trick. A video card can display a lower LCD screen resolution than the LCD’s built-in native resolution. The video cards can combine the pixels and turn a higher resolution into lower resolution, or just use part of the full screen. But video cards can’t do the magic to exceed the native resolution.
TFT displays are full color LCDs providing bright, vivid colors with the ability to show quick animations, complex graphics, and custom fonts with different touchscreen options. Available in industry standard sizes and resolutions. These displays come as standard, premium MVA, sunlight readable, or IPS display types with a variety of interface options including HDMI, SPI and LVDS. Our line of TFT modules include a custom PCB that support HDMI interface, audio support or HMI solutions with on-board FTDI Embedded Video Engine (EVE2).
Distributor of component LCDs for equipment which provide high-contrast ratio, color saturation, luminance and performance enhancements such as advanced wide viewing (AWV) for true color fidelity, super-high brightness (SHB) and wide temperature range. Focus on industrial, instrumentation, hand-helds, medical and other low-to-medium volume markets. High-bright LED backlights for outdoor use. LVDS interfaces decrease EMI. Factory installed touch screen solutions. 3.5" to 12.1" QVGA, HVGA, VGA, WVGA, SVGA, XGA, WXGA. Also distributes other related products including LED drivers, lamps, indicators, LED assemblies, segment displays, LED mounts, LEDs, and light pipes. Distributor of electronic components, hardware and fasteners and provides design/value engineering support, fulfillment strategies, procurement services and transactional models to meet specific needs and priorities.
Looking for a specific TFT resolution? We offer LCD TFTs varying in resolution from 128x160 pixels to 800x480 pixels. Many of our TFT LCDs also have carrier boards to make integrating them into your product as simple as possible. All of our TFT LCDs offer full color RGB. If you"re not finding the correct TFT LCD for your product or project, please contact our support team to see if they can help you find an appropriate TFT display module for you.
Table of Contents Company and Production Products and Services Company Statement Milestones Company Overview Market Share Manufacturing Lines Quality Verification Processes Key Product Lines Product and Service We Offer Industries We Serve Product Features Feature Products: - Round LCD modules - Square LCD modules - Stretched Bar LCD modules - Industrial Quality modules - High Brightness modules - Touch Screen LCD modules Service: Custom and Standard Standard Product Lists Project Share/ Application
Set up automatic production lines: Backlight, COG, FOG, LCM and Touch Screen Established a Hong Kong company for overseas markets LCD technology became mainstream of display market in China, we entered the business. ISO9001/ISO14001 quality system certificated; Entered the industries of beauty equipment and vehicle instrument. Production lines expansion to increase the capacity and meet the business growth
Product and Service We Offer 2 Major Display Types: TN and IPS Custom Solution in Products and Services Full Size Range: 0.96-30 inch Multiple Interface Options Solution for Unique Shape and Feature Optional Touch Screen
Unique Shape Features High Brightness: 2000 cd/m2 Product Features High Resolution: 1920x1080 pixels Touch Screen LCD with Resistive Touch Screen LCD with Capacitive Touch Screen
Diagonal (inch) Resolution (pixel) Display Type Size: 1.09″/ 1.28″/ 1.3″/ 1.6″/ 2.1″/ 5″ High resolution, smooth outline Designed for consumer products, such as wearables, home appliances
Small square outline makes the most of the available space, Popular choice: wearables; portable gadget; smart home controller Resolution (pixel) Display Type Resolution (pixel) Transflective/ Sunlight-readable Display Type IPS/Full View 3.95 inch, TTS395HSG-01 Resolution (pixel) Display Type IPS/Full View
Stretched Bar LCD Modules Size: 6.86”/ 7.84” Aspect ratio ≈ 1:3 Stretched outline displays more information Application: home appliances, car nevigation panels Resolution (pixel) Resolution (pixel) Display Type IPS/Full View Display Type IPS/Full View
Industrial Quality Displays Robust structure: anti-vibration and impact resistance; Fulfill the outdoor operation: sunlight-readable and wide temperature tolerance. Model Diagonal (inch) Resolution (pixel) Operation Temperature Display Type Industrial Quality Wide Temperature High Brightness
High Brightness Displays The modules can display clear content in the sun/highlight ambiance Model Diagonal (inch) Resolution (pixel) Display Type Custom your display: Choose display size and resolution Tell us terminal"s application enviroment (indoor/outdoor) We will review and p
Touch Screen Displays Capacitive and Resistive options Custom cover screen: design and finish Model Diagonal (inch) Resolution (pixel) Touch Screen Display Type
60% of projects Custom products - in-house engineering team support from product development to production - safety inventory of 1,000- 5,000pcs, support NO MOQ - custom options: LCM, interface, touch screen, cover glass, controller boards - cover small to medium size: 0.96 - 16 inch - custom service: flexible to integrate resources in the mature electronic supply chain in China to find solutions and support projects
Project Share MEDICAL INDUSTRIAL FACILITY 4.3 inch TN TFT + capacitive touch screen + enhanced cover glass surface treament and thickness 9 inch IPS TFT + resistive touch screen + high brightness + enhance the lifecycle 5.0 inch IPS TFT + capacitive touch screen + high brightness + wide temperature + anti-vibration SMART LIFE 2.1 inch IPS TFT + capacitive touch screen + custom cover glass with allin-black finish
Bibuke is a global leading Manufacturer of TFT LCD display based in Taiwan and China. Bibuke offers a wide product range of small to medium sizes TFT display modules in sizes ranging such as 2.4" TFT LCD, 2.8" TFT LCD, 3.2" TFT LCD, 3.5" TFT Display, 4.3 inch TFT LCD, 5 TFT LCD, 5.6 TFT LCD, 5.7 inch Display, 7 " TFT LCD, 8" TFT, 9" TFT, 10.1" TFT LCD, 10.2" TFT LCD, 12.1" TFT LCD , 12.3" TFT LCD (diagonal size of the active area) and so on . There are more than 200 TFT standard models listed on this website; furthermore, almost each item is acceptable to derivate from the standard items to meet the customers" requirement.
Bibuke TFT displays are qualified under industrial standard including standard TFT-LCD modules, IPS TFT, High brightness TFT LCD (sunlight readable display), TFT panels with controller boards, Bar Type TFT, Wide Temperature TFT LCD, Bibuke Clever System TFT and Touch screen display. These displays include landscape or portrait modes. Bibuke has Mono TFT displays and full color TFTs in line, these displays are available in various resolutions as well as touch screen optional in resistive and projected capacitive (PCAP touch screen) technology. Many of our TFT display modules have more than one interface available including MCU, RGB, TTL, LVDS, MIPI DSI and HDMI. Bibuke TFT modules are perfect for a number of applications including industrial control, coffee machine, medical equipment, POS system, automation, GPS navigator, white goods, energy control, telecoms, medical equipment and etc.
Winstar is a global leading Manufacturer of TFT LCD display based in Taiwan and China. Winstar offers a wide product range of small to medium sizes TFT display modules in sizes ranging such as 2.4" TFT LCD, 2.8" TFT LCD, 3.2" TFT LCD, 3.5" TFT Display, 4.3 inch TFT LCD, 5 TFT LCD, 5.6 TFT LCD, 5.7 inch Display, 7 " TFT LCD, 8" TFT, 9" TFT, 10.1" TFT LCD, 10.2" TFT LCD, 12.1" TFT LCD , 12.3" TFT LCD (diagonal size of the active area) and so on . There are more than 250 TFT standard models listed on this website; furthermore, almost each item is acceptable to derivate from the standard items to meet the customers" requirement.
Winstar TFT displays are qualified under industrial standard including standard TFT-LCD modules, IPS TFT, High brightness TFT LCD (sunlight readable display), TFT panels with controller boards, Bar Type TFT, Wide Temperature TFT LCD, Winstar Clever System TFT and Touch screen display. These displays include landscape or portrait modes. Winstar has Mono TFT displays and full color TFTs in line, these displays are available in various resolutions as well as touch screen optional in resistive and projected capacitive (PCAP touch screen) technology. Many of our TFT display modules have more than one interface available including MCU, RGB, TTL, LVDS and MIPI DSI. Winstar TFT modules are perfect for a number of applications including industrial control, coffee machine, medical equipment, POS system, automation, GPS navigator, white goods, energy control, telecoms, medical equipment and etc.
Winstar standard TFT-LCD display modules are available in various sizes from 1.77" to 10.4" TFT LCD, such as 2.4" TFT display, 2.8", 3.5" TFT display, 4.3" TFT display, 5 inch display, 7" LCD display. These TFT LCD modules are including options of TFT panel, TFT LCM with controller board, industry standard mono TFT LCM, TFT color display, and wide operating temperatures of -20°C to +70°C or -30°C to +80°C.
Winstar TFT displays are available in various graphic display resolutions including QVGA (320 x 240), WQVGA (480x272), VGA (640x480), WVGA (800x480), 640x320, 1024x600, XGA (1024x768) and WXGA(1280x800). Many of Winstar TFT display modules have more than one interface available including MCU, RGB, TTL and LVDS as well as two touch panels optional in resistive and capacitive technology.
The list below is our standard offering. However, Winstar Displays has many more customized solution and special sizes available as options. Please contact us online for more information.
RELEC’s standard TFT Displays are available in a wide range of sizes, from small 1.77” up to 31.5”. These cover all industry-standard resolutions, sizes, and interfaces. Standard units are available with brightness levels exceeding 1500 cd/m² and can be supplied with or without resistive or PCAP touch panels.
Focus Displays offers a wide range of standard full color TFT displays. 64 million unique colors, high brightness, sharp contrast, -30C operating temperature, and fast response time are all good descriptions of a TFT display. This is why TFT technology is one of the most popular choices for a new product.
Thin Film Transistor (TFT) display technology can be seen in products such as laptop computers, cell phones, tablets, digital cameras, and many other products that require color. TFT’s are active matrix displays which offers exceptional viewing experiences especially when compared to other passive matrix technologies. The clarity on TFT displays is outstanding; and they possess a longer half-life than some types of OLEDs and range in sizes from less than an inch to over 15 inches.
CCFL’s are still available, but are becoming a legacy (obsolete) component. TFT displays equipped with a CCFL require higher MOQs (Minimum Order Quantities) than displays with LED backlights.
The majority of TFT displays contain a touch panel, or touch screen. The touch panel is a touch-sensitive transparent overlay mounted on the front of the display glass. Allowing for interaction between the user and the LCD display.
Some touch panels require an independent driver IC; which can be included in the TFT display module or placed on the customer’s Printed Circuit Board (PCB). Touch screens make use of coordinate systems to locate where the user touched the screen.
Resistive touch panels are the lowest cost option and are standard equipment on many TFT modules. They are more common on smaller TFT displays, but can still be incorporated on larger modules.
Contrast ratio, or static contrast ratio, is one way to measure the sharpness of the TFT LCD display. This ratio is the difference between the darkest black and the brightest white the display is able to produce. The higher the number on the left, the sharper the image. A typical contrast ratio for TFT may be 300:1. This number ratio means that the white is 300 times brighter than the black.
TFT LCD displays are measured in inches; this is the measurement of the diagonal distance across the glass. Common TFT sizes include: 1.77”, 2.4”, 2.8”, 3”, 4.3”, 5”, 5.7”, 5.8”, 7”, 10.2”, 12.1 and 15”.
As a general rule, the larger the size of the glass the higher the cost of the display, but there are exceptions to this rule. A larger display may be less expensive than a smaller display if the manufacture produces higher quantities of the larger displays. When selecting your color display, be sure to ask what the cost is for one size smaller and one size larger. It may be worth modifying your design requirements.
TFT resolution is the number of dots or pixels the display contains. It is measured by the number of dots along the horizontal (X axis) and the dots along the vertical (Y axis).
Certain combinations of width and height are standardized and typically given a name and a letter representation that is descriptive of its dimensions. Popular names given to the TFT LCD displays resolution include:
Transmissive displays must have the backlight on at all times to read the display, but are not the best option in direct sunlight unless the backlight is 750 Nits or higher. A majority of TFT displays are Transmissive, but they will require more power to operate with a brighter backlight.
Drivers update and refresh the pixels (Picture Elements) of a display. Each driver is assigned a set number of pixels. If there are more pixels than a single driver can handle, then an additional drivers are added.
A primary job of the driver is to refresh each pixel. In passive TFT displays, the pixel is refreshed and then allowed to slowly fade (aka decay) until refreshed again. The higher the refresh frequency, the sharper the displays contrast.
The controller does just what its name suggest. It controls the drivers. There is only one controller per display no matter how many drivers. A complex graphic display with several thousand pixels will contain one controller and several drivers.
The TFT display (minus touch screen/backlight) alone will contain one controller/driver combination. These are built into the display so the design engineer does not need to locate the correct hardware.
Response Time is the measurement of time it takes for a pixel/segment to change from black (OFF state) to white (ON state) and then back to black again. In other words, how fast the picture can be changed. A slow response time can result in the blurring of the picture in games, movies and even cad type programs.
If you do not see a Thin Film Transistor (TFT) Display module that meets your specifications, or you need a replacement TFT, we can build a custom TFT displays to meet your requirements. Custom TFTs require a one-time tooling fee and may require higher MOQs.
Ready to order samples for your TFT design? Contact one of our US-based technical support people today concerning your design requirements. Note: We can provide smaller quantities for samples and prototyping.
Fineness of a display is expressed by pixel density (ppi = pixels per inch). On a high pixel density (= high definition) display, the pixels constituting the display are not recognizable. Therefore, images look clear and characters look smooth.
TFTs (= thin film transistors) used in a TFT LCD are made of silicon as semiconductor material. It is, however, very difficult to fabricate crystaline silicon onto glass, and only amorphous silicon (a-Si) could be fabricated in the past. Since electron’s mobility in a-Si is low to drive TFT fast, there are limitations to pixel density of displays.
In contrast, a low temperature poly-silicon (LTPS) TFT LCD, prepared by forming polycrystalline silicon on a glass substrate at relatively low temperatures, achieves high carrier mobility in TFT. Therefore, LTPS TFT LCD realizes a high resolution and high density display that cannot be achieved with a-Si by integrating part of the display drive circuitry on the glass substrate. JDI has developed LTPS displays, and has introduced one of the world’s highest density display prototypes.
A thin-film-transistor liquid-crystal display (TFT LCD) is a variant of a liquid-crystal display that uses thin-film-transistor technologyactive matrix LCD, in contrast to passive matrix LCDs or simple, direct-driven (i.e. with segments directly connected to electronics outside the LCD) LCDs with a few segments.
In February 1957, John Wallmark of RCA filed a patent for a thin film MOSFET. Paul K. Weimer, also of RCA implemented Wallmark"s ideas and developed the thin-film transistor (TFT) in 1962, a type of MOSFET distinct from the standard bulk MOSFET. It was made with thin films of cadmium selenide and cadmium sulfide. The idea of a TFT-based liquid-crystal display (LCD) was conceived by Bernard Lechner of RCA Laboratories in 1968. In 1971, Lechner, F. J. Marlowe, E. O. Nester and J. Tults demonstrated a 2-by-18 matrix display driven by a hybrid circuit using the dynamic scattering mode of LCDs.T. Peter Brody, J. A. Asars and G. D. Dixon at Westinghouse Research Laboratories developed a CdSe (cadmium selenide) TFT, which they used to demonstrate the first CdSe thin-film-transistor liquid-crystal display (TFT LCD).active-matrix liquid-crystal display (AM LCD) using CdSe TFTs in 1974, and then Brody coined the term "active matrix" in 1975.high-resolution and high-quality electronic visual display devices use TFT-based active matrix displays.
The liquid crystal displays used in calculators and other devices with similarly simple displays have direct-driven image elements, and therefore a voltage can be easily applied across just one segment of these types of displays without interfering with the other segments. This would be impractical for a large display, because it would have a large number of (color) picture elements (pixels), and thus it would require millions of connections, both top and bottom for each one of the three colors (red, green and blue) of every pixel. To avoid this issue, the pixels are addressed in rows and columns, reducing the connection count from millions down to thousands. The column and row wires attach to transistor switches, one for each pixel. The one-way current passing characteristic of the transistor prevents the charge that is being applied to each pixel from being drained between refreshes to a display"s image. Each pixel is a small capacitor with a layer of insulating liquid crystal sandwiched between transparent conductive ITO layers.
The circuit layout process of a TFT-LCD is very similar to that of semiconductor products. However, rather than fabricating the transistors from silicon, that is formed into a crystalline silicon wafer, they are made from a thin film of amorphous silicon that is deposited on a glass panel. The silicon layer for TFT-LCDs is typically deposited using the PECVD process.
Polycrystalline silicon is sometimes used in displays requiring higher TFT performance. Examples include small high-resolution displays such as those found in projectors or viewfinders. Amorphous silicon-based TFTs are by far the most common, due to their lower production cost, whereas polycrystalline silicon TFTs are more costly and much more difficult to produce.
The twisted nematic display is one of the oldest and frequently cheapest kind of LCD display technologies available. TN displays benefit from fast pixel response times and less smearing than other LCD display technology, but suffer from poor color reproduction and limited viewing angles, especially in the vertical direction. Colors will shift, potentially to the point of completely inverting, when viewed at an angle that is not perpendicular to the display. Modern, high end consumer products have developed methods to overcome the technology"s shortcomings, such as RTC (Response Time Compensation / Overdrive) technologies. Modern TN displays can look significantly better than older TN displays from decades earlier, but overall TN has inferior viewing angles and poor color in comparison to other technology.
Most TN panels can represent colors using only six bits per RGB channel, or 18 bit in total, and are unable to display the 16.7 million color shades (24-bit truecolor) that are available using 24-bit color. Instead, these panels display interpolated 24-bit color using a dithering method that combines adjacent pixels to simulate the desired shade. They can also use a form of temporal dithering called Frame Rate Control (FRC), which cycles between different shades with each new frame to simulate an intermediate shade. Such 18 bit panels with dithering are sometimes advertised as having "16.2 million colors". These color simulation methods are noticeable to many people and highly bothersome to some.gamut (often referred to as a percentage of the NTSC 1953 color gamut) are also due to backlighting technology. It is not uncommon for older displays to range from 10% to 26% of the NTSC color gamut, whereas other kind of displays, utilizing more complicated CCFL or LED phosphor formulations or RGB LED backlights, may extend past 100% of the NTSC color gamut, a difference quite perceivable by the human eye.
The transmittance of a pixel of an LCD panel typically does not change linearly with the applied voltage,sRGB standard for computer monitors requires a specific nonlinear dependence of the amount of emitted light as a function of the RGB value.
IPS has since been superseded by S-IPS (Super-IPS, Hitachi Ltd. in 1998), which has all the benefits of IPS technology with the addition of improved pixel refresh timing.
It achieved pixel response which was fast for its time, wide viewing angles, and high contrast at the cost of brightness and color reproduction.Response Time Compensation) technologies.
Less expensive PVA panels often use dithering and FRC, whereas super-PVA (S-PVA) panels all use at least 8 bits per color component and do not use color simulation methods.BRAVIA LCD TVs offer 10-bit and xvYCC color support, for example, the Bravia X4500 series. S-PVA also offers fast response times using modern RTC technologies.
When the field is on, the liquid crystal molecules start to tilt towards the center of the sub-pixels because of the electric field; as a result, a continuous pinwheel alignment (CPA) is formed; the azimuthal angle rotates 360 degrees continuously resulting in an excellent viewing angle. The ASV mode is also called CPA mode.
TFT dual-transistor pixel or cell technology is a reflective-display technology for use in very-low-power-consumption applications such as electronic shelf labels (ESL), digital watches, or metering. DTP involves adding a secondary transistor gate in the single TFT cell to maintain the display of a pixel during a period of 1s without loss of image or without degrading the TFT transistors over time. By slowing the refresh rate of the standard frequency from 60 Hz to 1 Hz, DTP claims to increase the power efficiency by multiple orders of magnitude.
Due to the very high cost of building TFT factories, there are few major OEM panel vendors for large display panels. The glass panel suppliers are as follows:
External consumer display devices like a TFT LCD feature one or more analog VGA, DVI, HDMI, or DisplayPort interface, with many featuring a selection of these interfaces. Inside external display devices there is a controller board that will convert the video signal using color mapping and image scaling usually employing the discrete cosine transform (DCT) in order to convert any video source like CVBS, VGA, DVI, HDMI, etc. into digital RGB at the native resolution of the display panel. In a laptop the graphics chip will directly produce a signal suitable for connection to the built-in TFT display. A control mechanism for the backlight is usually included on the same controller board.
The low level interface of STN, DSTN, or TFT display panels use either single ended TTL 5 V signal for older displays or TTL 3.3 V for slightly newer displays that transmits the pixel clock, horizontal sync, vertical sync, digital red, digital green, digital blue in parallel. Some models (for example the AT070TN92) also feature input/display enable, horizontal scan direction and vertical scan direction signals.
New and large (>15") TFT displays often use LVDS signaling that transmits the same contents as the parallel interface (Hsync, Vsync, RGB) but will put control and RGB bits into a number of serial transmission lines synchronized to a clock whose rate is equal to the pixel rate. LVDS transmits seven bits per clock per data line, with six bits being data and one bit used to signal if the other six bits need to be inverted in order to maintain DC balance. Low-cost TFT displays often have three data lines and therefore only directly support 18 bits per pixel. Upscale displays have four or five data lines to support 24 bits per pixel (truecolor) or 30 bits per pixel respectively. Panel manufacturers are slowly replacing LVDS with Internal DisplayPort and Embedded DisplayPort, which allow sixfold reduction of the number of differential pairs.
The bare display panel will only accept a digital video signal at the resolution determined by the panel pixel matrix designed at manufacture. Some screen panels will ignore the LSB bits of the color information to present a consistent interface (8 bit -> 6 bit/color x3).
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