IT Times reporter ■ Lin Fei
More than 3 years ago, Luo Yonghao, who was still working in the digital field, released the hammer "TNT" system, allowing ordinary enthusiasts to understand the niche digital category of portable displays. 3 years later, Lao Luo left the digital field, live streaming with goods to quickly pay off the debt, TNT system has stopped updating, portable display is still a niche, but the application scenarios have been gradually enriched.
Usage scenarios
In what cases do you need a portable display, the office computer is a MacBook, you need to check the information while changing keynote, at this time the portable display is very suitable; bring a Switch, party with friends to play games, portable monitor "big" The screen is much better than the Switch's 6.2-inch effect; during online lessons, listen to the teacher's explanation on the computer, take notes on the portable monitor; do not want to carry a heavy notebook on business, portable monitor plus Bluetooth keyboard is much lighter than the notebook, connected to the smart phone is a simple office environment; take a fixed scene of video, mobile phone or camera screen is too small, can not see the details clearly, portable monitor can be used as a monitor. All of the above is when portable displays come into play.
How to choose a portable display?
How to choose a portable display, in addition to looking at the parameters, and the points that need to be paid attention to when buying ordinary monitors are still somewhat different.
parameter
Since the portable display is called a display, there is no difference between the screen parameters and the ordinary display, similar to brightness, contrast, color gamut, color accuracy, resolution, refresh rate, brightness, display ratio, etc. need to be considered.
At present, portable monitors range in size from 11 inches to 22 inches, with 13.3 inches and 15.6 inches being the most mainstream. Screen ratios are commonly 4:3, 16:9, 21:9, etc., and 16:9 is the most common. If the requirements are not too personalized, it is recommended to filter from the mainstream size products when purchasing.
Connection mode and expansion interface
In addition to the screen parameters, the connection method and expansion interface is the most portable display doorway part, a lack of attention will buy back products that do not meet their own needs, but also need to buy additional adapter equipment, it will be very unpleasant to use.
HDMI or mini HDMI is a standard input interface for portable displays to connect output devices such as computers, mobile phones or game consoles. The same standard Type-C interface should be carefully distinguished, if it is a full-featured Type-C interface, then use a USB-C line to connect the computer with a portable display, while displaying the picture, the computer can also power the display, and even the built-in battery display can also reverse the phone to charge. Non-full-featured Type-C interfaces can often only be used as charging interfaces, or use their OTG functions to connect peripherals, and cannot output screens. Therefore, when looking at some product data sheets, you will find that although two Type-C interfaces are provided, one of the interfaces is specifically marked for power supply only. It's best to pick a portable display with multiple full-featured Type-C interfaces when purchasing.
Battery with charging
Whether the built-in battery is an important factor to consider when purchasing a portable display. Built-in battery, you can go out with less charging cable and charging head, but the corresponding will be heavier than the same size products, the price is also higher. Without a battery, it is necessary to use a charging cable to connect the power supply or input device to use, and the interface type requirements are more critical.
Adjustable angle
The fixing method and angle have a great impact on the portable display experience, and now the product has several mainstream designs: similar to the flat panel protective cover, which can be used as a stand, the adjustable angle is limited, and can be flipped as a screen protector; similar to the Surface's back bracket, the angle is not adjustable; the bracket is at the bottom, which can be adjusted in the range of 0-180 °, and the flexibility is the best.
Touch screen/pressure sensitivity
Portable displays that support touch functionality can be more than 40% more expensive than similar touchless products. Whether to spend this money or not, carefully consider your own needs and make a choice. In addition, more high-end products will also support pressure-sensitive writing function, which can be used to take notes or draw directly on the screen with a pressure-sensitive pen.
loudspeaker
Portable display speakers, 3.5mm headphone jacks, etc. are basically standard, but the sound quality effect is still very different, try to choose brand products, more guaranteed.
Whether there is a built-in system
There are also new portable displays on the market that come with their own operating system, which can be used independently as large Android devices, but the actual experience has yet to be verified. In addition, this year's new Lenovo small new Pad Pro tablet can also be used as a portable display.
Product Recommendation
Sculptor MF156LN
The MF156LN does not have a built-in battery. IPS material screen size is 15.6 inches, the ratio is 16:9, but the color gamut is only NTSC 45%, the brightness is 250cd/m2, compared with high-end products, the display effect is slightly worse, and it is acceptable to see the price of less than 1,000 yuan. The most valuable thing is that the MF156LN two Type-C ports are full-featured interfaces, charging transmission can be carried out at the same time, menu adjustment using the wheel button mode, while for FPS and RTS two games, there are quick adjustment settings.
The whole machine does not include a power supply weight of about 790g, built-in dual speakers, in addition to the mini HDMI interface and 3.5mm headphone jack.
CFORCE 015C PRO
The 015C PRO also has no built-in battery, and it features a 4K 15.6-inch screen with a color gamut of 100% AdobeRGB and a brightness of 600 nits. This screen is definitely a high-end product in portable displays, which is very suitable for designers, photography enthusiasts, video creators, and there are more and more 4K games on game consoles such as PS 5 and Xbox One, and it is also suitable to use it to play. The price is less than 2000 yuan, and the price is full.
Unfortunately, the 015C PRO only provides a Type-C interface on the left side of the fuselage, connecting more peripherals requires the purchase of another Type-C extension HUB, CFORCE has official accessories, or buys a third-party product with a slightly lower price. In addition, the use experience of the official protective holster bracket is more general.
Lenovo M14t
M14t adopts a narrow border on three sides, and the 698g thin and light body is easy to carry. From the parameter point of view, the 14-inch IPS screen, 1920×1080 resolution, 300 nits brightness is not outstanding, but the point is that it supports 10 touch, 4096 levels of pressure, using the stylus can be directly on the screen to take notes, painting, writing feel similar to paper. But because of the limitations of Apple's system itself, when connecting iPhone, iPad and MacBook, the touch function of the M14t is invalid.
The dual Type-C full-featured interface can directly expand a number of peripherals, one-piece folding bracket, support minus 5 degrees to 90 ° adjustment, and there are 100mm wall hanging holes on the back, which can be easily expanded for multi-screen expansion. The M14t has no built-in battery, headphone holes and speakers, and from this design point of view, the M14t is a pure business office product.
ASUS ROG XG16AHPE
ROG XG16AHPE This portable monitor ranked first in the latest selection of similar products in a foreign computer media. ROG blessing also means its esports pedigree. 15.6 inch IPS material screen with a refresh rate of 144Hz. The display supports Adaptive-Sync technology, and is also compatible with NVIDIA's G-Sync, which provides an excellent gaming experience when variable refresh rate is enabled. Built-in 7800mAh large capacity battery, a charge can play for more than 3 hours. The folding bracket on the back can be placed horizontally and vertically. Equipped with dual speakers and ESS amplifiers, the acoustics are outstanding.