What does OLED TV mean? I believe many people have heard of OLED TVs, but the specifics of OLED TVs may not be understood. Today Xiao Bian came to tell everyone what is OLED TV, and detailed analysis of the advantages and disadvantages of OLED TV, I hope to help everyone buy TV.
What is OLED TV
OLED full name "organic light emitting diode", is a display screen technology, OLED self-emitting characteristics, the use of ultra-thin organic material coating and glass substrate makes the body thin like a piece of paper; extreme viewing angle of the picture is clearly visible, excellent viewing angle Zero-delay response speed, there is no possibility of ghosting phenomenon; through the soft base material manufacturing, curved display can be achieved.
OLED TV advantages and disadvantages
First, the advantages of OLED
1, the thickness can be less than 1 mm, only 1/3 of the LCD screen, and the weight is also lighter;
2, solid state agencies, no liquid substances, so better seismic performance, not afraid of falling;
3, there is almost no problem with the viewing angle, even if viewed under a large viewing angle, the picture is still not distorted;
4, the response time is one thousandth of the LCD, the display motion picture will absolutely not have the phenomenon of smear;
5, low temperature characteristics, can still be displayed at minus 40 degrees, while the LCD can not do it;
6, the manufacturing process is simple, the cost is lower;
7, luminous efficiency is higher, energy consumption is lower than LCD;
8, can be made on different materials of the substrate, can be made flexible display flexible.
Second, the shortcomings of OLED
1, life is usually only 5,000 hours, lower than the LCD at least 10,000 hours of life;
2. Mass production of large-size screens cannot be achieved, so it is currently only applicable to portable digital products;
3. There is a problem of insufficient color purity and it is not easy to show bright and rich colors.
There are essential differences between "OLED TV" and "LED TV":
LED TV, in fact, is still the LCD screen, but the backlight is changed from the original CCFL fluorescent to white LED lighting, it is also called WLED (white light diode).
OLED TVs no longer need LCD panels. RGB color signals are directly displayed by OLED diodes. There is almost no problem with the viewing angle of liquid crystals.
Comparison between "OLED TV" and "PDP Plasma TV":
There is a huge gap between PDP plasma TVs and OLED TVs. Plasma technology is used in high-end product lines of various brands. However, due to high prices, there are few plasma TV products on the market and they have not been popularized. Coupled with the rapid development and market penetration of LCD LCD screens, plasma TVs are considered to be better than LCDs, but their clumsy product size and prices that are several times higher than LCDs actually exist in name only.
Although the PDP is higher in contrast, color, and response time than LCD products, the picture can be comparable to OLED, but OLED display products are still significantly ahead of PDP technology in providing display density, viewing angle, and unit energy consumption brightness. The product, especially in the ideal thickness of the product is less than one-tenth of the PDP, it is even more light and thin.
In terms of manufacturing cost, OLEDs and PDPs are almost equal in terms of large-size displays. However, in the production line construction, the cost of OLEDs is significantly higher than that of PDPs, which may be several times or even 10 times that of PDP product lines. This is a major bottleneck in the mass production of OLED products.
Although the preparation of OLED products is more costly, PDP products still do not have the advantage of being dominant in the market. Because LCD products, which are also much larger than PDP investments, have gained market advantages for PDP's main large-size display devices. This advantage will be inherited by OLED technology that can inherit LCD production lines. Or, it can be said that the success of LCD today has helped OLED to complete its first investment. The transformation and upgrading of LCD to OLED is inevitable. LCD's victory over PDP will be inherited by OLED in the near future.
Introduced the advantages of OLED TV features, which OLED TV worth buying it? Skyworth 55S9300, Konka OLED55X90P, LG 55EA8800-CC, KKTV X55 and other OLED TVs are all very good choices! Friends who want to buy OLED TVs can choose their own products according to their own needs.
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Bitcoin mining machines are one way to obtain bitcoins. Bitcoin is an online virtual currency created by open-source peer-to-peer software. Instead of being issued by a specific currency institution, and produced by the massive computation of a specific algorithm, the Bitcoin economy uses a distributed database of nodes throughout the P2P network to identify and record all transactions. The decentralized nature and algorithm of P2P can ensure that it is impossible to artificially manipulate the value of bitcoin by producing a large number of coins.
Any computer can become a mining machine, but the returns will be low, and it may not mine a single bitcoin in a decade. Many companies have developed specialized Bitcoin mining machines with special mining chips that are tens or hundreds of times faster than normal computers.
Currency system by the user (the user through the key control wallet), trade (trade will be broadcast to the whole currency network) and miners (generated by competition calculation agreed on each node of the chain block, block chain is a distributed public authority books, contains the currency network of all the transactions happened)
Bitcoin miners manage the Bitcoin network by solving the problem of proof-of-work mechanisms with a certain amount of work -- confirming transactions and preventing double payments. Because hashing is irreversible, finding the number of random adjustments required to match is difficult, requiring a trial-and-error process that can predict the total number of times. This is where the proof-of-work mechanism comes into play. When a node finds a solution that matches the requirement, it can broadcast its result to the whole network. Other nodes can then receive the newly solved data block and check whether it matches the rule. If the other nodes calculate the hash value and find that the requirement (the operation goal required by Bitcoin) is satisfied, then the data block is valid and the other nodes accept the data block.
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