Evaluation standard of the most popular soft and h

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"Soft" and "hard" are difficult to become the evaluation standard of flat-panel TV panel

although the financial crisis has brought an impact to the global manufacturing industry, various favorable policies such as domestic home appliances going to the countryside and urban home appliances replacing the old with the new have brought new opportunities to flat-panel TV manufacturers. Since 2009, various flat-panel TV enterprises have launched new products to seize the market, and the differentiated market positioning has ignited a new round of competition for market share. At present, with the vigorous publicity of LG, IPS hard screen has frequently appeared in the sight of Chinese consumers as a product highlight, which has won wide market recognition and is likely to annihilate the soft screen. However, when buying a suitable LCD TV, is it so important to recognize the soft screen and hard screen? In China, that will reduce the application life of the rubber film. Mr. Lu Renbo, Deputy Secretary General of the Electronic Chamber of Commerce and a famous household appliance expert, pointed out that the hard screen and the soft screen are only different in the manufacturing process, and there is no obvious difference in the performance between them

"soft" and "hard" are just two different processes

describe the experimental curve

in terms of the use of LCD TV screens, whether domestic brands or joint venture brands, they are no more than sharp screen, Taiwan screen, Samsung screen and LG screen. These screens can be divided into soft screen (VA) and hard screen (IPS). Among them, the soft screen is represented by Taiwan screen, Samsung screen and sharp screen, which are still the mainstream of LCD panel manufacturing; At present, the hard screen is basically supported by LG (LGD) alone. In other words, LCD TVs with hard screens on the market now basically use LG's panels. Hard screen and soft screen are two kinds of manufacturing processes that have always existed in the panel industry. Since the second half of 2007, LG has begun to transition to a brand centered on upstream screen resources. During this period, LG has significantly strengthened the publicity of its hard LCD screen, so consumers have heard more and more publicity that "hard screen" is better than "soft screen". LG's hype about its own hard screen is essentially pushing itself to the opposite of many soft screen manufacturers

choosing a TV does not depend on the software and hardware of the screen.

in many standards issued by the international or domestic industry on the performance of LCD screens, the "soft" and "hard" have never been listed as a major standard to identify or distinguish between the advantages and disadvantages, and the quality of the screen is not determined by the software and hardware. When careful consumers go to the home appliance stores, it is not difficult to find that among the high-end products of all brands, whether foreign brands or domestic brands, soft screens still occupy the absolute share of LCD panels. Therefore, the merchants' propaganda that "hard screen has the advantage that soft screen cannot reach" and "hard screen can comprehensively improve the image quality of LCD TV" is lack of sufficient basis! Samsung's s S-PVA panel is a soft screen design, which is characterized by true color restoration and high contrast. Philips' high-end LCD TV is the S-IPS hard screen design, which is characterized by bright colors, large viewing angle and fast response. The above two panels are high-end panels, and the actual performance difference is not obvious. Facing the hype of hard screen by businesses, consumers must not fall into the puzzle of "good hard screen and poor soft screen". Now let's analyze the reasons in detail

first of all, in the company's brochure, hard screen and soft screen are the same physical structure of liquid crystal, but their molecular arrangement is different. The liquid crystal molecules of hard screen are horizontally arranged, while the soft screen is vertically arranged. The advantage of hard screen is that when the workmanship meets the standard, it can protect the screen from damage to the greatest extent, and there will be no water marks when touching the screen, which is convenient for cleaning. However, like soft screen, hard screen can not exceed the fragile physical defects of LCD screen, and it is also afraid of collision

the biggest feature of the hard screen is that its formability is 40% greater than that of the traditional ABS alloy. The two poles are on the same plane. No matter what state, the liquid crystal molecules are always parallel to the screen, which will reduce the aperture rate and light transmittance. Therefore, the application of the hard screen in liquid crystal TV will require more backlights. To a certain extent, the power consumption is also higher. Secondly, the problem of light leakage of hard screen is relatively serious, and the purity of black is not enough, so we must rely on the compensation of optical film to achieve better black

in addition, once the hard screen production process is poor, and the outer film and screen are pasted carelessly, it will directly affect the heat dissipation of the screen, and repeated thermal expansion and cold contraction after startup will lead to image distortion. Of course, the hard screen also has its undeniable advantages. Due to the unique molecular conversion structure, the hard screen has a large viewing angle and a relatively fast response speed

with the continuous development of panel technology, hard screen and soft screen manufacturers should carry forward their advantages and gradually improve their shortcomings. Enterprises can hype whatever screen they produce, which makes consumers fall into the confusion of the concept of business hype, which is a manifestation of being irresponsible to consumers

LCD TV screen is the key but not the only one.

Mr. Lu Renbo, Deputy Secretary General of China electronics chamber of Commerce and a famous household appliance expert, pointed out that when consumers choose LCD TV, the screen is a key factor, but by no means the only factor. When purchasing flat-panel TVs, consumers also need to comprehensively consider the three key indicators of dynamic definition, color performance and TV energy consumption

Dr. zhangsubing of China Institute of Electronics Standardization introduced that a high-quality LCD TV should be A-level LCD panel + excellent control circuit and audio-visual optimization technology + high-level assembly process. Different enterprises use the same screen, and there are also obvious differences in the image quality of LCD TVs, so the application of image quality processing technology is also very important. With the overall improvement of image quality processing technology, the quality of the screen may directly affect the upgrading of products, and neither hard screen nor soft screen can comprehensively determine the quality of LCD TV products. Take sharp, the father of LCD, for example. In addition to adopting advanced ASV soft screen, sharp also relies on technologies such as ultra wide viewing angle +mpd, QS ultra fast response, etc. to achieve high-quality HD pictures

through the above analysis, we can see that it is inappropriate for enterprises to simply publicize that "hard screen technology can comprehensively improve the quality of TV pictures". The brand culture of an enterprise is reflected through products. In order to establish a good brand image, products must have core values. Sony's high-quality and fashion image, Samsung's Modernism and technology image, sharp's father of LCD image, TCL's creativity and technology fashion, Konka's people-friendly innovation concept, the cultural connotation of these brands are reflected through the core values of products. If LCD TV wants to develop steadily like CRT TV, it needs to develop the best image processing technology and integrate with it according to the characteristics of the screen, so as to maximize the technical performance of the screen. This is the basis for color TV enterprises to compete in the quality of flat-panel TV. However, due to the lack of innovation in products, it is not long to hype the concept of hard screen

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