Hey brother! Have you been fascinated by those magical glass windows in shopping malls recently? I was thinking of adding a whole transparent screen to my store to enhance the look, but I searched online - What a guy! Quotations range from 2,000 to 20,000 per square meter, which can make people confused. Don't panic, today we will clear the water and teach you three tricks to buy a screen without stepping on the trap!

1. Three things you must read before buying

Buying a transparent screen is not a chore. Memorizing these three parameters can save you half a month’s food money:

1. ​​permeability​ ​: Direct pass if less than 75%, otherwise it will look like frosted glass during the day
2. ​​Pixel pitch​ ​: P6-P8 is the most cost-effective for display windows, and P3.9 is needed for exhibition halls to be delicate enough.
3. ​​peak brightness​ ​: 800-1500nit is enough indoors, but there is no 4000nit outdoors waiting to be beaten by the sun.

There’s a little trivia you may not know——​ ​Screen thickness directly affects light transmittance​ ​! The 8mm thick screen has a light transmittance 15% higher than that of 12mm. When installed in a jewelry counter, the light penetration effect can create three more layers of halo.

2. Online and offline purchasing chaos

Let’s break down the purchasing channels and take a look at them:

Last month, an old man who runs a milk tea shop bought a transparent screen that was said to be "military quality" at a bargain price. When he installed it, he found that the pixels were bigger than the pearls in the pearl milk tea. Now he is arguing with customer service!

3. Five tricky operations during inspection

Teach you a few secrets of machine inspection that have been lost in the world:

1. ​​paper towel perspective​ ​: Put three layers of tissue paper on the back of the screen. The paper towel print should be visible on the front.
2. ​​cell phone photography​ ​: Turn on the professional mode and adjust the shutter speed to 1/1000. If no scanning lines appear on the screen, it will be considered qualified.
3. ​​Temperature difference test​ ​: Two hours after turning on the phone, it is better to press the frame with the back of your hand for no more than 5 seconds.
4. ​​Content actual test​ ​: Play high-speed motion pictures, if the drag exceeds 3 frames, please return it immediately.
5. ​​Power off memory​ ​: Unplug the power and then power it on again. The setting parameters cannot be lost.

Remember that girl who opened a trendy brand store? When she inspected the goods, she asked the master to play the Victoria's Secret catwalk video in a loop. She found that the model deformed when it walked to the edge, so she forced the manufacturer to exchange three batches of goods before acceptance.

4. Soul torture session

​​Q: What should small merchants do if they can’t afford a full screen? ​ ​
A: Nowadays, some manufacturers are engaged in modular leasing. If you pay 800 per month, you can install 2 square meters in the window. The rent will be deducted according to the number of clothes sold. This method is much smarter than buying directly!

​​Q: How to prevent after-sales rip-offs? ​ ​
A: Remember this formula——​ ​Warranty period = basic 1 year + half a year for every additional 500 yuan/㎡ spent​ ​. For manufacturers that dare to promise a three-year warranty, 80% of them are betting that they will close the store if they don’t last two years!

​​Q: Can second-hand screens be picked up? ​ ​
A: Let me teach you a jargon - "Buy the screen at 50% off and get it repaired at 30% off." Second-hand dealers say that the inventory in 2019 may actually be antiques from 2016, and the lifespan of LED lamp beads has long passed half.

Let me tell you, there are so many transparent screens on the market now that eight out of ten are playing with information gaps. remember! ​ ​A good screen is never about how loud the advertisement is, but whether the red wine advertisement on the screen can entice passersby to take out their mobile phones to take pictures after the mall closes at ten o'clock in the evening.​ ​. Next time I see the sales manager, ask him directly if he dares to sign a military order stating that "brightness attenuation shall not exceed 15%". I'm sure I can weed out a bunch of charlatans!

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