FAQ

LEDs and LCDs both display images, but how are they different?

The difference can be attributed to the backlights.
In contrast to the traditional LCD panel, which uses fluorescent backlights for its backlighting, an LED display uses light-emitting diodes (LEDs) instead.
The image quality of LED displays is typically superior, despite the fact that their illumination options differ.

What can I do about the cracked touch screen on pos terminal?

If you really want to fix the touch screen on pos touch monitor that is broken, you will first need to determine which component of your computer display is damaged.
You only need to replace the display screen from the e-commerce platform since the LCD screen is broken but all of the other electronic parts and components are still in working order.
However, if your computer has sustained significant damage, you will need to either buy a new one or take it to a repair shop to get it fixed.

How long do LED monitors last?

As with other devices, LED displays have a shelf life. LEDs have a theoretical life of 100000 hours and can work for more than 11 years if utilized 24/7/365, although actual and theoretical data are inadequate. LED display life is 6 to 8 years on the market and more than 10 years for outdoor LED displays, according to statistics. Our display will have unforeseen consequences if we pay attention to specifics throughout use.

How can I repair a touch screen pc which is cracked?

You need to determine which element of your monitor has been damaged if you want to fit a new touch screen.
Other electronic circuits and components are unaffected by the cracked LCD screen; all that is essential is to select a new display screen from an online marketplace.
However, if your machine is significantly damaged, you would better bring back a new monitor or deliver it to repair shop.

Which packaging strategies can be used for small pitches pos system LED display ?

1. Table decals (SMD)
One procedure of SMD packaging seems to be to weld a single or a gathering of LED chips to a metal bracket with a plastic “cup” outer frame (the outer pins of the bracket are connected with the LED chips of the P and N categories, respectively), fill the effectively removing frame with liquid epoxy resin or organic silicone, place in the oven it at a high temperature, and then cut and detach it into a single surface paste packaging device.

2. IMD, a surface integrated packaging method (four in one)
A further advancement based on the foundation of SMD package technology is the “four-in-one” package. SMD mount technology is very well amassed by LED display businesses. Four-in-one packages have four pixels in their structure similar to one pixel in SMD packages. The surface paste method is still performed even though the four-in-one LED display making use of the fully integrated packaging technology IMD (four-in-one).

3. COB packing for containers on board
In a COB package, the electrical line is connected by lead bonding while conductive or nonconductive glue has just been supplied to the connective substrate. COB packaging exploits integrated packaging techniques. SMT is utilized to fulfill the packaging process since there isn’t a single LED module. It can successfully solve the SMD packaging display screen due to the continuous decrease of point spacing, overcoming the limitations of changing technology difficulty, yield decreases, and cost increase. Tiny spacing is easier to design employing COB.

What is the main difference between 4K and 8K LED displays when ued in pos termianl ?

1) Resolution: 8K has a resolution of 7680 * 4320 pixels, which is almost 33.2 million pixels, and that is four times of 4K. And 4K has a pixel density of 3840 * 2160 pixels, about 8.3 million pixels.

The finer, clearer, and more realistic to real-world colors an image is, the more pixels it comprises.

2) Color Expression: The BT.2020 ultra-high vision light emitting standard, has a dynamic range of 10 bits and can showcase 1.07 billion colors, which is being used in 8K,dramatically enhancing the color spectrum.
Only 35.9 % of the total ultra hd blu-ray standardized color model is covered mostly by 8-bit, 16.77 million colors, standard Blu-ray and BT.709, which have an 8-bit color depth. The uhd Blu-ray definition is not conformed to several of the current 4K editions.

3) Refresh Rate: Although 8K video could have a clock speed of 120Hz, 4K video commonly has a refresh rate of 60Hz or less.
The smoother and more realistic the image may be since the refreshment rate is faster and crisper, the greater the refresh frequency will be.

However, frequency response and comparative fuzziness, which can create eye fatigue, affect the risk of sightedness, so the more regularly the vision is renewed, the better it may be.

 

How dose we understand an SVA WLED display whether we could apply it into pos customer dislay ?

SVA screen, which could be a type of passive screen,seems to be an advanced version of VA monitor.Other than IPS soft panels, also referred to as VA displays, are wide perspective displays. It is divided into MVA and PVA, with Chimei and AUO acting as the top suppliers of MVA, and Samsung and SONY teaming together to manufacture PVA.SVA screen should be replaced with S-PVA.

The normal pregnancy of WLED means for White Light Emitting Diode. In terms of technology, WLED lighting isn’t particularly superior to CCFL backlight. A screen backlight conversion with LED will lead in energy efficiency (about 20% less than CCFL), a longer longevity, and enhanced energy absorption.
The benefits of WLED backlighting displays comprise lower operating voltage, long life, compact design, low weight, excellent color-level of performance, higher uniform brightness, superior environmental protection, or impact resistance.
Low luminance and contrast rate are among some of the shortcomings of WLED backlight screens (RGB LED).

What is a TFT-LCD display applied into pos monitor ?

In the TFT-LCD liquid crystal display screen,a layer of liquid crystal is sandwiched between two glass substrates, with the bottom glass substrate becoming implanted with transistors and the top glass substrate being locked together by a color filter.

The polarizer determines the nature of the pixels when the electromagnetic current moves via transistor,deflecting the liquid crystal molecules and affecting the polarization of the light.

Each pixel has red, green, and blue colors owing to a connectivity between the top glass and the colour filter. The visual image on the pos monitor display screen is constructed of red, green, and blue colors, which are generated by these pixels.

How do I repair LCD monitors of pos display ?

A common electrical technological device currently in essentially everywhere is liquid crystal screens.

As a result, multiple tiny defects will exhibit themselves while being in use, forcing our consideration of how to retain the operation of liquid crystal displays of pos machine.

For instance,Take White Display Error.

1. The availability of a white screen shows the operation of the backlight board. Above anything else, ensure the motherboard is able to run normally.

2. Observe the status of the signaling trail coming from the mainboard to the screen (you could replace the cable or screen).

3. Confirm the voltage at each functional departments of the mainboard, as well as the voltage that powers the display screen.

4. Analyse the line fields and clock signals to use an oscilloscope (from input to output).
5. The motherboard is not working correctly if the indication is silent or turned off.

6. Confirm the voltage at each working point on the baseboard, paying more attention to the voltages at the CPU, EPROM, and reset points (all may be about 4.8V or comparable). A circuit breaker in the copper layer of the PCB board is probable if one exists in the power supply, but the short circuit point needs to be carefully located.

7. Ensure that the CPU pins are fully installed to the mainboard.

8. Check if the motherboard’s chips and Cpus are functioning, then examine to see if the crystal begins to vibrate to use an oscilloscope.

9. If essential, replace or restart the CPU.

What are some good portable touch screen monitor?

There is a requirement for all of you to seek for a touch screen monitor that meets your needs, but you do not specify the size of monitor you want or the environment where one you will use it.

Several characteristics of touch screen monitors vary depending on their size in inches, such as a 15 inch display,15.6 inch touchscreen display,or 9.7 inch.

And unique circumstances, such as indoor or outdoor, even auto, desktop, industrial, and healthcare, determine exactly what sort of monitors will be used.

What is the future of retail stores?

Someday retail businesses might still have physical locations, but they may be automated, mannedless, and self-service.

We will be in charge of the consumption process, such as self-select, self-check, and select-package,so we can use the pos machine to make payments or we may use kiosks to purchase items by ourselves.

Without being interrupted by other retail staff, the total customer experience can be pleasant and easygoing.

Can a POS print a previous receipt?

Yeah,it’s assured for pos machine to print the previous receipts.

The pos system can search your receipt date in SSD if you provide related information,but there needs to be noticed if you want to find the receipt in last year or more previous period ,and it might not seek out your receipt data due to auto storage time or cloud storage according to various stores’ storage requirements.

Do I need a point of sale system in my computer repair store?

Absolutely you need pos sysem in pc retail store.

Point of sale system will be easy to run your repair business and manage inventoy of components,even orders,which expedites your daily operation in retail store.

Do LCD IPS / LED panels suffer from any sort of wear and tear like OLED?

In general,actual working life of led mostly is 20,000~50,000 hrs in application.
Therefore,the backlight of ips lcd will take wastage while working,which might effect the quality of image.

Where are all the 8K monitors whether they can be used in pos system terminal?

High resolution like 4k screen mostly is used in a laptop with a high profile of 17.3 inch or other inchs,which has huge needs.And 720p,1080p can satisfy other basic demands.

But 8k monitors are not chosen by market due to its actual needs and application.And 8k monitors are usually produced in large-size screen that need produciton workers take more technology and energy to be manufactured.

There is a highly probability that lcd glass will be broken due to its assembled difficulty. Actually,we ever tried to seperate one 4k screen and one 8k screen to understand their structure,but we failed and it’s so easy to be broken.

We wasted the screens.

Therefore,8k monitors is more uncommon than other monitors according to actual needs and cost.

Ask us. We are here to help!

North and South America & Asia Pacific

Della Dai

Regional Marketing Manager