vex lcd display brands

We love the LCD screen. Really. It is one of our favorite tools. Here’s a more technical run-down of the uses that the girls mention in their STEM Educational Video that they entered this week in the REC Foundation’s 2017 Online Challenge.

First, you need to buy yourself an LCD screen, and a Serial Y Cable. NOTE: the cable does not come with the screen, even though it seems like it should. You must buy it separately. You can use up to 2 LCD screens on your robot at one time, though honestly I’ve never seen anyone use 2.

Plug the 4-prong end of the Y-cable into either UART1 or UART2 on the Cortex (remember which one you use; convenient to always use UART1, unless you have a specific reason not to). This plug is over on one corner of the Cortex, near where motor encoders get plugged in. You’ll plug the other wires into the LCD screen. We have a little mnemonic to remember which wires go into which plug: whiTe goes into TX (over-emphasize the “T” when you say “white”), and yell-ER goes into RX (pronouncing “yellow” with a southern drawl). If they are plugged in backward, it will not work.

Make sure your kids install the LCD on the robot (a) where it’s easily accessible to read the screen and press the buttons, and (b) also protected from being struck by game elements or other robots.

(Much of this programming information is in easyC, because that’s what we used at the time of this writing. The exact function names used in RobotC can be found on the RobotC help page, under Command Library – VEX Cortex / ROBOTC / LCD Display.

As a first test to make sure your screen is working, include in your program (autonomous, joystick, or competition) a line of code that just displays a message, and does nothing else. You’ll need to initialize the LCD screen at the start of the program, and somewhere before you have the message display, it’s helpful to make the back-light turn on.

In EasyC, you need to use one LCD display block for each line of the LCD screen that you want to use. Drag over a block and enter the text for your Line 1 message, and leave all of the other stuff blank (the stuff related to variables, etc.); do the same for Line 2 if you’re using it. NOTE: If you put a message on Line 2, and later in your program display a different message, but only use Line 1 at that time, the Line 2 text will remain on the screen unless you specifically drag over a block and tell Line 2 to display a blank line.

If your robot is tethered to your computer, you can use the print-to-screen function to display sensor (or variable) values, but that covers about 1% of the situations where you want to know what a sensor value is. Most of the time, you’re in a joystick/competition program, or your robot is moving around the field, and you cannot be tethered to the computer, or it’s just not realistic.

Enter the LCD screen! You can put somewhere in your Main() loop a get command to get the latest sensor value and then an LCD command to display it on the screen. If it’s a variable you’re after, just make sure that the LCD display command is somewhere after the variable is being calculated.

Beware! Each line of the LCD screen can only hold 16 characters. If you give it text that’s 14 characters, plus a 3-digit sensor value, the LCD will show you the first 2 digits of your sensor value, and will just cut off/not display the 3rd digit. So you may think that you’re getting sensor data just fine, but at some point it will look like the numbers wrap around and restart their numbering at 0 again. It will look like it has wrapped around to, say, “11”, when the sensor value is really 110.

Beware some more (RobotC users)! When displaying sensor values on the screen—especially in a while loop—be sure to clear the existing text before displaying the sensor’s value. We were trying to calibrate our gyro sensor recently, and when we turned the robot around 360º, the value in RobotC is supposed to reset to 0, but on our robot, once we passed 3599 (the gyro reports values in tenths-of-a-degree, so 360º = 3600), it would jump to 1599, and then if we kept turning it, the values got ridiculously huge—3299, 9099, etc. Whaaaaa??? After half of a meeting devoted to this problem, we realized that once we passed 0, it was in fact displaying the new degree values, starting in the left-most position on top of what was already there, so what we were reading as 1599 was really a sensor value of 15, written on top of the previous value of 3599. So we added a line of code inside the while loop to clear the first line of the LCD display and then write the sensor value. (This appears to be only a RobotC problem; easyC is fine with the blocks of code shown above, without an extra block for clearing the line.)

One other use where we find the LCD to be valuable is debugging our programs. There are many times when a program is not working, and you just can’t figure out what is actually executing in the code. You’ve got some code that seems like it should be doing the right thing, but nothing is happening.

You could put different messages in different sections of your code, but be aware that a joystick program is looping through rapidly, and if you have Message1 display when x happens, and then Message2 display when y happens, Message1 may display for a tiny fraction of a second, and then be over-written by Message2. It’s good to stick with at most 2 non-exclusive messages, each of which occupies one line of the LCD screen (so that they can both display at the same time if necessary).

Our FAVORITE use of the LCD is as a little menu-selector to choose an autonomous program during a competition. If you’ve got an autonomous program that involves moving left or right, you’ve undoubtedly got 2 of them, depending on what square your robot starts in. In one scenario it’ll need to move left, but if it starts in the other colored starting square for that alliance team, it’ll need to move right.

Without the LCD screen, your team needs to find their alliance partner, decide who’s going to start where (and communicate clearly what they mean by “start on the left square,” for example), and then go back to the pits and load the correct program onto the robot. Let me tell you how many times I have seen this result in the wrong program on the robot—20% of the time, maybe? Your team could lose a match without those autonomous points, and it’s incredibly frustrating for the kids to have their perfect code work backward when the clock starts. So why not remove 99% of human error and have a little menu selector on the robot itself! That way your team never has to load a program on the robot all day long at a competition. We even include our programming skills challenge code as one of the menu items, so we rarely have to open up the computer at a tournament.

You can download EasyC code (or pseudo-code) on our downloads page that will get you started creating your own menu (full credit goes Ephemeral_Being from the VEX forum for writing this code). Important notes, as the girls mention in their video:

Edit 7/2/18: Here’s a very clear and helpful YouTube tutorial on programming your own auton menu selector in easyC. There are many RobotC examples of this type of code on the VEX Forum; a simple search will find some for you. You can also read my detailed post that walks you through how Ephemeral Being’s code works.

Flat-panel displays are thin panels of glass or plastic used for electronically displaying text, images, or video. Liquid crystal displays (LCD), OLED (organic light emitting diode) and microLED displays are not quite the same; since LCD uses a liquid crystal that reacts to an electric current blocking light or allowing it to pass through the panel, whereas OLED/microLED displays consist of electroluminescent organic/inorganic materials that generate light when a current is passed through the material. LCD, OLED and microLED displays are driven using LTPS, IGZO, LTPO, and A-Si TFT transistor technologies as their backplane using ITO to supply current to the transistors and in turn to the liquid crystal or electroluminescent material. Segment and passive OLED and LCD displays do not use a backplane but use indium tin oxide (ITO), a transparent conductive material, to pass current to the electroluminescent material or liquid crystal. In LCDs, there is an even layer of liquid crystal throughout the panel whereas an OLED display has the electroluminescent material only where it is meant to light up. OLEDs, LCDs and microLEDs can be made flexible and transparent, but LCDs require a backlight because they cannot emit light on their own like OLEDs and microLEDs.

Liquid-crystal display (or LCD) is a thin, flat panel used for electronically displaying information such as text, images, and moving pictures. They are usually made of glass but they can also be made out of plastic. Some manufacturers make transparent LCD panels and special sequential color segment LCDs that have higher than usual refresh rates and an RGB backlight. The backlight is synchronized with the display so that the colors will show up as needed. The list of LCD manufacturers:

Organic light emitting diode (or OLED displays) is a thin, flat panel made of glass or plastic used for electronically displaying information such as text, images, and moving pictures. OLED panels can also take the shape of a light panel, where red, green and blue light emitting materials are stacked to create a white light panel. OLED displays can also be made transparent and/or flexible and these transparent panels are available on the market and are widely used in smartphones with under-display optical fingerprint sensors. LCD and OLED displays are available in different shapes, the most prominent of which is a circular display, which is used in smartwatches. The list of OLED display manufacturers:

MicroLED displays is an emerging flat-panel display technology consisting of arrays of microscopic LEDs forming the individual pixel elements. Like OLED, microLED offers infinite contrast ratio, but unlike OLED, microLED is immune to screen burn-in, and consumes less power while having higher light output, as it uses LEDs instead of organic electroluminescent materials, The list of MicroLED display manufacturers:

Sony produces and sells commercial MicroLED displays called CLEDIS (Crystal-LED Integrated Displays, also called Canvas-LED) in small quantities.video walls.

LCDs are made in a glass substrate. For OLED, the substrate can also be plastic. The size of the substrates are specified in generations, with each generation using a larger substrate. For example, a 4th generation substrate is larger in size than a 3rd generation substrate. A larger substrate allows for more panels to be cut from a single substrate, or for larger panels to be made, akin to increasing wafer sizes in the semiconductor industry.

"Samsung Display has halted local Gen-8 LCD lines: sources". THE ELEC, Korea Electronics Industry Media. August 16, 2019. Archived from the original on April 3, 2020. Retrieved December 18, 2019.

"TCL to Build World"s Largest Gen 11 LCD Panel Factory". www.businesswire.com. May 19, 2016. Archived from the original on April 2, 2018. Retrieved April 1, 2018.

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"Business Place Information – Global Operation | SAMSUNG DISPLAY". www.samsungdisplay.com. Archived from the original on 2018-03-26. Retrieved 2018-04-01.

"Samsung Display Considering Halting Some LCD Production Lines". 비즈니스코리아 - BusinessKorea. August 16, 2019. Archived from the original on April 5, 2020. Retrieved December 19, 2019.

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The VEX ARM® Cortex®-based Microcontroller coordinates the flow of all information and power on the robot. It has built in bi-directional communication for wireless driving, debugging and downloading using the VEXnet wireless link. The Microcontroller is the brain of every VEX robot.

VEXnet devices contain internal processors and run on special software called Firmware (or Master Code). Firmware is updated periodically to provide additional functionality or fix bugs. To fully unlock the potential of VEX Robotics VEXnet devices, it"s important to ensure that all applicable drivers are installed and firmware is updated.

Established in 2007, Raystar has built its reputation by offering advanced products in PMOLED display and modules as well as in FSTN / STN LCD Display Module, COG LCD, TFT LCD Display.

Every valued customer of Raystar plays a key role in our current success. We promise to keep growing as your most trustworthy partner for display solutions in the decades ahead.

STONE Technologies is a proud manufacturer of superior quality TFT LCD modules and LCD screens. The company also provides intelligent HMI solutions that perfectly fit in with its excellent hardware offerings.

STONE TFT LCD modules come with a microcontroller unit that has a 1GHz Cortex-A8 CPU. Such a module can easily be transformed into an HMI screen. Simple hexadecimal instructions can be used to control the module through the UART port. Furthermore, you can seamlessly develop STONE TFT LCD color user interface modules and add touch control, features to them.

You can also use a peripheral MCU to serially connect STONE’s HMI display via TTL. This way, your HMI display can supply event notifications and the peripheral MCU can then execute them. Moreover, this TTL-connected HMI display can further be linked to microcontrollers such as:

Becoming a reputable TFT LCD manufacturer is no piece of cake. It requires a company to pay attention to detail, have excellent manufacturing processes, the right TFT display technology, and have a consumer mindset.

Now, we list down 10 of the best famous LCD manufacturers globally. We’ll also explore why they became among the top 10 LCD display Manufacturers in the world.

Interface Devises Business includes Display and Senor, Sensor, and Application Solutions. As a leading company in the global semiconductor display industry, BOE has made the Chinese display industry develop from scratch to maturity and prosperity. Now, more than one-quarter of the global display panels are made by BOE, with its UHD, flexible display, microdisplay, and other solutions broadly applied to well-known worldwide brands.

LG Display is a leading manufacturer of thin-film transistor liquid crystal displays (TFT-LCD) panels, OLED, and flexible displays.LG Display began developing TFT-LCD in 1987 and currently offers Display panels in a variety of sizes and specifications using different cutting-edge technologies (IPS, OLED, and flexible technology).

LG Display now operates back-end assembly plants in South Korea, China, and Vietnam. In addition, LG Display operates a sales subsidiary with a global network to effectively serve overseas markets.

With innovative and differentiated technologies, QINNOOptoelectronics provides advanced display integration solutions, including 4K2K ultra-high resolution, 3D naked eye, IGZO, LTPS, AMOLED, OLED, and touch solutions. Qinnooptoelectronics sets specifications and leads the market. A wide range of product line is across all kinds of TFT LCD panel modules, touch modules, for example, TV panel, desktop and laptop computer monitor with panels, small and medium scale “panels, medical, automotive, etc., the supply of cutting-edge information and consumer electronics customers around the world, for the world TFT – LCD (thin-film transistor liquid crystal display) leading manufacturers.

AU Optronics Co., LTD., formerly AU Optronics Corporation, was founded in August 1996. It changed its name to AU Optronics after its merger with UNIOPtronics in 2001. Through two mergers, AU has been able to have a full range of generations of production lines for panels of all sizes.Au Optronics is a TFT-LCD design, manufacturing, and r&d company. Since 2008, au Optronics has entered the green energy industry, providing customers with high-efficiency solar energy solutions.

Sharp has been called the “father of LCD panels”.Since its founding in 1912, Sharp developed the world’s first calculator and LIQUID crystal display, represented by the living pencil, which was invented as the company name. At the same time, Sharp is actively expanding into new areas to improve people’s living standards and social progress. Made a contribution.

BYD IT products and businesses mainly include rechargeable batteries, plastic mechanism parts, metal parts, hardware electronic products, cell phone keys, microelectronics products, LCD modules, optoelectronics products, flexible circuit boards, chargers, connectors, uninterruptible power supplies, DC power supplies, solar products, cell phone decoration, cell phone ODM, cell phone testing, cell phone assembly business, notebook computer ODM, testing and manufacturing and assembly business, etc.

From the introduction of Japan’s original washing machines, refrigerators, and other household appliances, to the world’s first laptop, the first 16MB flash memory, the world’s smallest 0.85-inch HDDs; Create advanced HDDVD technology; Toshiba created many “world firsts” in the research and manufacture of new SED displays and contributed to changing people’s lives through constant technological innovation.

Tianma microelectronics co., LTD., founded in 1983, the company focus on smartphones, tablets, represented by high order laptop display market of consumer goods and automotive, medical, POS, HMI, etc., represented by professional display market, and actively layout smart home, intelligent wear, AR/VR, unmanned aerial vehicles (UAVs) and other emerging markets, to provide customers with the best product experience.IN terms of technology, the company has independently mastered leading technologies such as LTPS-TFT, AMOLED, flexible display, Oxide-TFT, 3D display, transparent display, and in-cell/on-cell integrated touch control. TFT-LCD key Materials and Technologies National Engineering Laboratory, national enterprise Technology Center, post-doctoral mobile workstation, and undertake national Development and Reform Commission, The Ministry of Science and Technology, the Ministry of Industry and Information Technology, and other major national thematic projects. The company’s long-term accumulation and continuous investment in advanced technology lay the foundation for innovation and development in the field of application.

Planar® CarbonLight™ VX Series is comprised of carbon fiber-framed indoor LED video wall and floor displays with exceptional on-camera visual properties and deployment versatility, available in 1.9 and 2.6mm pixel pitch (wall) and 2.6mm (floor).

From cinema content to motion-based digital art, Planar® Luxe MicroLED Displays offer a way to enrich distinctive spaces. HDR support and superior dynamic range create vibrant, high-resolution canvases for creative expression and entertainment. Leading-edge MicroLED technology, design adaptability and the slimmest profiles ensure they seamlessly integrate with architectural elements and complement interior décor.

From cinema content to motion-based digital art, Planar® Luxe Displays offer a way to enrich distinctive spaces. These professional-grade displays provide vibrant, high-resolution canvases for creative expression and entertainment. Leading-edge technology, design adaptability and the slimmest profiles ensure they seamlessly integrate with architectural elements and complement interior decor.

From cinema content to motion-based digital art, Planar® Luxe MicroLED Displays offer a way to enrich distinctive spaces. HDR support and superior dynamic range create vibrant, high-resolution canvases for creative expression and entertainment. Leading-edge MicroLED technology, design adaptability and the slimmest profiles ensure they seamlessly integrate with architectural elements and complement interior décor.

Planar® CarbonLight™ VX Series is comprised of carbon fiber-framed indoor LED video wall and floor displays with exceptional on-camera visual properties and deployment versatility, available in 1.9 and 2.6mm pixel pitch (wall) and 2.6mm (floor).

Carbon fiber-framed indoor LED video wall and floor displays with exceptional on-camera visual properties and deployment versatility for various installations including virtual production and extended reality.

a line of extreme and ultra-narrow bezel LCD displays that provides a video wall solution for demanding requirements of 24x7 mission-critical applications and high ambient light environments

Since 1983, Planar display solutions have benefitted countless organizations in every application. Planar displays are usually front and center, dutifully delivering the visual experiences and critical information customers need, with proven technology that is built to withstand the rigors of constant use.

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Lamps LEDs and Lasers In addition to LCD and DLP technology, you should consider whether the light source in the projector is a ​lamp, LED, or laser. All three options have their advantages and disadvantages: Video

projectors that use lamps need to be changed after about 3,000 to 4,000 hours of viewing. However, some projectors deliver upwards of 5,000 hours of viewing.Video projectors that use LEDs or lasers as a light source have a much longer life—often as much as 20,000 hours or more. Compare the light source life of video projectors LED/LCD or OLED TVs, which can last over 60,000 hours, albeit with smaller screen sizes. What You Need to Know About Laser Video Projectors Courtesy of Amazon

Light Output and Brightness Without sufficient light, a projector cannot display a bright image. If the light output is too low, an image will look muddy and soft, even in a dark room. The best way to determine if a projector outputs enough light to produce bright images, check the ANSI Lumens rating. It will tell you how much light a projector can put out. Projectors with 1,000 ANSI Lumens have sufficient brightness for home theater use. Room size, screen size/distance, and ambient room light connections will also affect the need for more or fewer lumens. Although video projectors" light output capabilities have improved, they still work best in a darkened room. LCD and DLP projectors output light differently. LCD projectors output the same amount of white and color light, whereas DLP projectors output more white light than color light. The Difference Between ANSI Lumens and Lumens

Pixel Density and Display Resolution Pixel Density (aka display resolution) is essential. LCD and DLP projectors both have a fixed number of pixels. If most of your viewing is HDTV, get a real pixel count as high as possible (preferably 1920x1080).

A natural pixel count of 1024x768 is sufficient for DVD. However, 720p HDTV signals require a 1280x720 pixel count for the display, while a 1080i HDTV input signal needs a pixel count of 1920x1080.

If you have a Blu-ray Disc player, consider a projector with 1920x1080 real pixel resolution and the ability to display the 1080p format. If you want to jump into 4K territory, aside from the higher price tag, not all 4K projectors project true 4K resolution. You must understand how 4K video projectors work and how they are labeled so that you can make the right choice for a home theater setup. The 8 Best 4K and 1080p Projectors of 2022 To get the most out of 4K projector, you need to provide 4K content from an Ultra HD Blu-ray playeror 4K streaming sources (such as Netflix or Vudu).

Don" t Forget the Screen Screens come in various fabrics, sizes, and prices. The best type of screen depends on the projector, the viewing angle, the amount of ambient light in the room, and the distance from the projector to the screen. If you have a small space, consider a Short Throw projector, which can display large images from a shorter distance. There are many great projector screens on the market; what"s best for you depends on your specific needs. The 9 Best Projector Screens of 2022

Types of Video Projectors Two types of video projectors are available: DLP (Digital Light Processing) and LCD (Liquid Crystal Display). DLP projectors employ a light source in combination with a color wheel and chip that contains microscopic tilting mirrors. The light passes through the color wheel, reflects off the mirrors, and is projected onto a screen.LCD projectors utilize a light source that passes light through 3 LCD Chips (assigned to primary colors red, green, and blue) to create and project images. Variants of LCD technology include LCOS (Liquid Crystal on Silicon), JVC"s D-ILA (Digital Imaging Light Amplification), and Sony"s SXRD (Silicon Crystal Reflective Display). With LCOS/D-ILA and SXRD projectors, the light source reflects off the 3 LCD chips instead of passing through them.

Subscribe Tell us why! Other Not enough details Hard to understand Submit More from Lifewire Nits, Lumens, and Brightness on TVs and Projectors The 9 Best Projectors, Tested by Lifewire Video Projection Screens: What You Need to Know The 7 Best Cheap Projectors of 2022 Video Projector vs. TV: Which is Best for You? The 9 Best Mini Projectors of 2022 Neo QLED vs. OLED: What"s the Difference? What Is a Short Throw Video Projector? LCD TV vs LED TV: What You Need To Know Super Bowl TV and Home Theater Setup Tips OLED vs. LED: Which TV Display is Better? How to Buy a TV in 2022 The 8 Best 4K and 1080p Projectors of 2022 The Difference Between ANSI Lumens and Lumens The 6 Best Outdoor Projectors of 2022 BenQ HT2150ST Review: Category Leading Gaming Projector Newsletter Sign Up Newsletter Sign Up Newsletter Sign Up Newsletter Sign Up Newsletter Sign Up By clicking “Accept All Cookies”, you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts. Cookies Settings Accept All Cookies.

The 7 Best Dell 4K Monitors MUO The 7 Best Dell 4K Monitors Dell is a well-known computing brand that boasts familiarity. But, if you"re looking to upgrade to a 4K setup, these monitors are a worthy investment. no credit: pixabay Summary List Dell has made quite a name for itself over the years, a titan of computer products. Now their sights are set on 4K. The landscape of 4K monitors is growing, just as it did when 1080p was the latest and greatest resolution. Seeing as Dell is no slouch when it comes to designing monitors, the company has 4K monitors for just about any occasion. It doesn"t matter what your reasons are for wanting a 4K monitor; Dell has you covered. Here are the best Dell 4K monitors you can pick up right now. Premium pick 8.80 It wouldn"t be fair to describe the Dell UltraSharp U2723QE as a "mixed usage" 4K monitor, though it is. Instead, a more apt description would be that the UltraSharp U2723QE excels in just about every situation, whether it"s work-related or entertainment. Starting with the IPS Black panel, the 27-inch display gains the benefits of having wide viewing angles and a deep contrast ratio (2000:1). You could sit at a sharp angle or share the screen with someone next to you and always see a clear and colorful image. The color gamut is so encompassing that the Dell UltraSharp U2723QE handles photo editing beautifully before and after calibration. Part of its success is the addition of DisplayHDR 400. This gives the Dell UltraSharp U2723QE access to a high percentage

of the DCI-P3 color space in a more natural way rather than overcompensated with color saturation. Need a less conventional setup? The Dell UltraSharp U2723QE handles that, too. It supports tilt, height adjustment, swivel, VESA-mounting, and complete plane switching. With access to both HDMI and DisplayPort in the back, you can easily daisy-chain monitors together and switch one to portrait mode in a short minute. Equally important is just how easy it is to turn the Dell UltraSharp U2723QE into the perfect hub. There are five USB ports, LAN (for a laptop), and three USB-C ports. Read More Key Features IPS Black technology DisplayHDR400 93% of the DCI-P3 color space Specifications Brand: Dell Resolution: 3840x2160 Refresh Rate: 87Hz Screen Size: 27-inch Ports: DisplayPort, HDMI, USB-A, USB-C, LAN, 3.5mm Display Technology: IPS Black Aspect Ratio: 16:9 Pros Rich color saturation and accuracy Great contrast ratio for an IPS panel Crazy number of ports Cons Lacks built-in speakers Buy This Product Dell UltraSharp U2723QE Editors choice 8.80 The Dell S3221QS is your one-stop option for productivity and relaxation, thanks to its color performance, features, and curved VA display. It"s just as ready for multitasking as it is showcasing the beautiful colors in movies and fast-action video games. For productivity, the large 32-inch display is more than enough to display multiple programs at once while simultaneously keeping text legible, sharp, and clean. The curvature of the Dell S3221QS is partly responsible,

for giving you a viewing experience that is both immersive and helps keep everything within eyesight. To wrap the entire package nicely, the colors for the Dell S3221QS are vibrant and deep. Its 4K resolution certainly helps, but what really solidifies its performance is the color accuracy and contrast. It makes colors pop against blacker tones rather than shades of gray, which is eye candy for both movies and video games. When the workday is over, the Dell S3221QS doubles as a decent gaming monitor. It runs at 60Hz, and has a good response time and low input lag, but more important is the support for FreeSync and G-Sync. With a variable refresh rate, frames are less likely to tear. Read More Key Features Curved design Supports G-Sync and FreeSync Flicker-free screen Specifications Brand: Dell Resolution: 3840x2160 Refresh Rate: 60Hz Screen Size: 32-inch Ports: 2x HDMI, 1x DisplayPort, 1x 3.5mm audio jack, 3x USB 3.0 Display Technology: LED Aspect Ratio: 16:9 Pros Curvature of the monitor adds an immersive factor Large screen size is good for multitasking Performs well enough for casual gaming Cons Poor viewing angles Buy This Product Dell S3221QS Best value 8.80 For a bit of everything, the Dell S2722QC ticks all the essential boxes while also providing a clear and crisp 4K resolution. If all you need is a large 4K monitor sitting at your desk with good specifications, then this is the way to go. Firstly, the Dell S2722QC comes built with the most essential features. It has built-in speakers with decent

sound, which is nice to have if space is a concern and bypasses the need to pick up external speakers. It also comes equipped with two HDMI ports, USB-C, and two USB 3.2 ports. That leaves plenty of options for adding multiple monitors and charging devices. For most activities, the Dell S2722QC does well enough. The colors aren"t punchy enough for photo editing, not to mention mediocre color contrast. However, sitting down to enjoy a flick or play a game, covers plenty to make it an enjoyable experience. You likely won"t notice the difference. If you do game on the Dell S2722QC, it supports both G-Sync and FreeSync, so screen tearing won"t be as prevalent. Read More Key Features Support for G-Sync and FreeSync Built-in speakers USB-C port charges devices Specifications Brand: Dell Resolution: 3840x2160 Refresh Rate: 60Hz Screen Size: 27-inch Ports: 1x USB Type-C, 1x USB 3.2 Gen 1, 2x HDMI 2.0, 1x Audio line-out port Display Technology: LED Aspect Ratio: 16:9 Pros Fills a niche for work and entertainment Smooth frame transitioning Decent sound quality Cons Subpar color contrast Buy This Product Dell S2722QC 8.80 The Dell P2721Q is the ideal candidate for home offices, due to its design and features. If you work from home and plan on using more than one monitor, the Dell P2721Q is a great choice. For starters, the monitor was designed with incredibly small bezels. This makes it so that two monitors sitting next to one another will seamlessly blend together, which also makes good use of the HDMI port and

DisplayPort located in the back. The Dell P2721Q also supports alternative setups. It tilts, swivels, pivots, and allows for complete plane switching (horizontal to vertical.) Having a display sitting vertically can be very helpful for coders, writing, and reading. Equally important is that the Dell P2721Q is VESA-compatible, providing an opening for VESA-support monitor arms. For those who have their work tied to a laptop, the Dell P2721Q also comes equipped with a USB-C port that delivers 65W of power. That"s more than enough to charge most laptops. Read More Key Features Supports plane switching (landscape to portrait) VESA-certified Flicker-free screen Specifications Brand: Dell Resolution: 3840x2160 Refresh Rate: 60Hz Screen Size: 27-inch Ports: USB Type-A, USB Type-C, HDMI, DisplayPort, 3.5mm Display Technology: LED Aspect Ratio: 16:9 Pros Easy to string together multiple monitors Very thin bezels Good choice for coding Cons USB-C is limited to 65W Buy This Product Dell P2721Q 7.40 Go big or go home, right? The Dell UltraSharp U4320Q seemingly follows this way of life due to its large display and equally impressive pixel density. If you want a gigantic 4K monitor for multitasking or daisy-chaining, this is the one for you. The Dell UltraSharp U4320Q has a massive display measuring 42.5 inches in size, which is enough space to multitask four separate programs. However, to avoid stretching pixels past their limit, the monitor maintains a 103ppi pixel density. In practice, the image quality retains a

sharp and clear picture even when software is expanded to fill the entirety of the screen. If you have deep enough pockets, the Dell UltraSharp U4320Q also supports daisy-chaining. In the back are two HDMI ports, DisplayPorts, USB-A ports, and a single USB-C port which is powerful enough to charge even a MacBook Pro. Read More Key Features USB-C port has power delivery Wide viewing angles with IPS panel Adjustable height, tilt, and swivel Specifications Brand: Dell Resolution: 3840x2160 Refresh Rate: 60Hz Screen Size: 42.5-inch Ports: USB Type-A, USB Type-C, HDMI, DisplayPort, 3.5mm Display Technology: LCD Aspect Ratio: 16:9 Pros Good alternative to a multi-screen setup Gigantic screen size Pixel density is fantastic Cons Requires a lot of space Buy This Product Dell UltraSharp U4320Q 9.20 The Dell UltraSharp U2720Q is essentially the everyman"s 4K Dell monitor. Considering its features and performance, it doesn"t lean towards one purpose or another. Instead, this 4K Dell monitor is perfect for general use. That isn"t to say the Dell UltraSharp U2720Q falters in one area and excels in another-quite the contrary. The way it handles the sRGB color space is nigh on par with many of Dell"s monitors built for color editing and professional work. The IPS panel is partly responsible for that, in addition to wide viewing angles. Other than its maximum resolution of 4K, the Dell UltraSharp U2720Q shines the most with its design. The 27-inch display can tilt, swivel, pivot, supports VESA mounts, and allows for

plane switching (from horizontal to vertical.) Best of all are the ports at your disposal, which include: HDMI, Thunderbolt 3, USB-C, and DisplayPort. Read More Key Features Supports HDR10 VESA-certified Ports include Thunderbolt 3 Specifications Brand: Dell Resolution: 3840x2160 Refresh Rate: 60hz Screen Size: 27-inch Ports: 1x HDMI 2.0, 1x DisplayPort 1.4, 2x USB-C, 3x USB-A 3.0, 1x Audio Out Display Technology: IPS Aspect Ratio: 16:9 Pros Great for professional editing Wide viewing angles Can switch from landscape to portrait Cons Lacks a variable refresh rate Buy This Product Dell UltraSharp U2720Q 8.60 The Dell UltraSharp U2718Q strikes a nice balance between being primarily for work, but with a few key features that open the door for casual gaming. If your day is spent editing and tinkering with colors, this 4K monitor could be your next best friend. The Dell UltraSharp U2718Q"s ability to handle sRGB color space is absolutely essential in a professional setting. In fact, its factory-calibrated settings are incredibly precise and vibrant right out of the box, allowing you to jump right into work immediately. On top of color accuracy, the IPS panel has 10-bit color support, providing the backbone to the monitor"s vibrant colors. The viewing angles on the Dell UltraSharp U2718Q are ultra-wide. Given that it"s an IPS panel, the monitor has 178-degree viewing angles. In other words: you don"t have to view the monitor straight on to see anything. Quality stays intact if you prefer to turn your monitor

or sit at different angles. When you"ve finished your work for the day, the Dell UltraSharp U2718Q also doubles as a decent gaming monitor. This is thanks to its low input lag, 60Hz refresh rate, and response time. It isn"t built for professional gaming but definitely fills in the key features to ensure a smooth and problem-free casual gaming session. Read More Key Features 10-bit color support VESA-certified 178-degree viewing angles Specifications Brand: Dell Resolution: 3840x2160 Refresh Rate: 60Hz Screen Size: 27-inch Ports: USB 3.0, HDMI, DisplayPort, 3.5mm Display Technology: IPS Aspect Ratio: 16:9 Pros Accurate color-calibration right out of the gate Fantastic choice for photo editing Good for casual gaming Cons Lacks a flicker-free screen Buy This Product Dell UltraSharp U2718Q FAQ Q Is a 4K Resolution Worth It It depends entirely on what your needs are. Provided that you have the hardware to handle all the additional pixels, there"s certainly a benefit to having a clearer and sharper image. Combined with HDR and accurate color space, entertainment really pops with clarity, as do illustrations and photo editing. Q What is the Ideal Screen Size for a 4K Resolution For a 4K resolution, you can comfortably choose a screen size anywhere between 27 and 32 inches. The fear of objects and text being too small is mostly a thing of the past; the majority of software allows users to customize the size of the font or UI. With that said, a more important factor is the pixel density. The more pixels