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When technology begins to fail to adapt to consumer demand, that is, it is about to be eliminated, and the new technology is constantly changing, thus truly promoting the development of the industry. Just like 386 can be described as a brilliant symbol of the era of single-chip! But now there are very few known people, and they are replaced by dual-core, quad-core and even eight-core.
368 Its demise stems from a word: card
The user perception of "Carton" determines the fate of 386 becoming a historical dust! Now in the field of LED display driver, LED display common constant current driver, "Caton" phenomenon also makes it entered the ranks of outdated, has a high refresh double latch driver chip out of homeopathy. 
In general, we compare the double-latch to two cups. The single-latch is like a cup. When we have to drink water, there is only one cup. We need the first cup of hot water to cool down before we can continue to enter. The second cup then continues to drink. And if there are two cups, it is different. When we drink the first cup of boiling water, the second cup of boiling water is already cold. When we drink the second cup, we can start drinking. The cycle alternates. Invisible improves our efficiency, in other words, we can improve our refresh rate.
We can look at the effects of ordinary constant current drive and dual latch drive: 
It is reported that in the current LED display industry, the powerful giant color has been increasing the overall "core" replacement for indoor full-color products - equipped with dual-latch high-performance driver chips, such as powerful giant color Q series indoor color HD LED display Screen: Q2, Q2.5, Q3, Q4, Q5, Q6 and other series of products, has completed the replacement of dual-core driver IC (double latch) upgrade, bid farewell to the ordinary constant current drive IC "card" era!
Today, our various led display large enterprises to develop small spacing led display, LED display into the HD era and make unremitting efforts, but only to work hard to achieve high-definition display screen body from the hardware side is not enough, part of the software is equipped with Not on, it is quite a bad wine with a crystal cup, but it is a waste of resources. Only the matching of software and hardware can really make the LED display enter the high-definition era, and the driver chip double-latch is LED. The logo of the display HD era!
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Dual-latch driver chip era LED display and Carton farewell
There was a group of humorous comics called “The bloody case caused by the mobile phone jamâ€. According to the author, this group of humorous comics comes from a mobile phone software called “Mobile Acceleratorâ€, and this group of humorous comics. "The mobile phone is stuck with the bloody case" is the "G point" that completely hits the mobile phone user. "Mobile phone card" has become a big headache for consumers at present, and the "slow one step" dilemma makes consumers have troubles. Mobile phones are like this, Imagine if the LED display is also stuck, what kind of experience? But the facts tell us, led screen will display card, and visible, such as our common constant current driver IC with time, low screen refresh rough, seriously affecting the user experience. Double latches, as the name implies, are two latches. Our common chips such as ICN2026 and MBI5020 have only one latch; the double latch has doubled the refresh rate because one latch is full while transmitting. A latch is already being stored (one in the signal transmission, the other is stored in the signal), and thus the infinite loop; while the normal chip is a single latch, the signal is stored after the signal is full and can be stored next time. This will be relatively slow. As can be seen from the above figure, the ordinary constant current drive has insufficient clearness due to insufficient refresh rate, and the double-latch of the double-latch drive refreshes its display color. With the dual-latch driver chip widely used in LED display products, the refresh rate of the LED display will be greatly improved, the playback effect will be like the flow of water, and the ghost function will be more effectively eliminated, which will make the display effect of the LED display double. Clear and delicate.