We Then give a few general concerns answered their questions , let us hold high the light , rational choice the right to enjoy health and happiness 3D TV life!
1. What is 2D, 3D TV?
2. What is a 2D turn 3D TV?
3. 2D 3D television on the eyes turn what harm?
4. What is true 3D TV?
5. How to choose healthy 3D TV?
Not listed do not know, a lot of problems really , huh, huh , it seems to explain this knowledge is not universal , in the future than we know about what will regret their impulse to spend "huge deposit " to buy back the health risks but , well , did not talk much that in class it!
What is 2D, 3DTV?
TV is an ordinary two-dimensional 2D TV, it displays the image is flat. 2D TV image content is only the level of X axis and the vertical Y axis, so the lack of three-dimensional feeling , like we've seen most immersive film and TV, we feel very plain and not so true , because the plane Because of it !
3D TV simply means that three-dimensional image TV. It is observed by human eyes, a slightly different angle of the object , it can identify objects near and far , resulting in three-dimensional vision of this principle, the left and right eyes see images of separation, so that users do not need the help of three-dimensional stereoscopic glasses to experience the feeling of the naked eye , But it also compatible with 2D images.
What is 2DSwitch to 3DTV?
Due to the current 3D movies , 3D TV is about to start high-speed development , some TV manufacturers in order to temporarily satisfy the interests and needs of the content scramble to turn the introduction of 2D 3D TV 3D TV grab this big cake.
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2D transfer is to the principle of 3D TV vision back , medium shot the same, future closer , but simply the superposition of the image . And this directly to the 2D image ghosting for the 3D " shoddy "TV , the image we have been called " pseudo- 3D " TV.
In fact, after the converted 3D images is not ideal , but as the health hazards of 3D technology.
Many " white "After that experience, after , after conversion of 3D images are fuzzy TV effect , three-dimensional sense is not strong. For example, little 3D animation programs such as three-dimensional , and conversion no different from children in front of the screen ; and sports programming via 3D conversion, driving the fans were shouting " depressed . " After watching the World Cup in South Africa 2D 3D TV switch , after a friend said , "the most 3D effects than the stadium scoreboard , "and this made "pseudo 3D " TV awkward smile , but not cover it Shyness , is simply " not a like a dog to draw a tiger . "
A friend transferred to verify the 2D results to 3D TV in the end , he personally went to the appliance store to experience the one, the Samsung 3D TV experience a moment before the eyes turn 2D 3D effects , the results to his disappointment , he said: the so-called transition There is no three-dimensional 3D , only to enlarge the original image , and closer . This time, 3D glasses, the equivalent of an ordinary magnifying glass function. Do not be transferred hope 2D 3D Huyou , or your own personal experience to say it!
" pseudo- 3D"TV on the eyes, what harm?
Because of this 3D technology is to switch the screen around two , were received through the left eye and right eye , 3D images of the information is about twice the 2D screen , increasing the load on the human eye . 2D 3D TV as simply transfer the image of the overlay , resulting in poor quality 3D imaging , depth of field is not enough , the picture fuzzy , easy to increase the audience's eye fatigue , so that the long-term fatigue will occur dry eyes , tearing , swollen , Pain, and even blurred vision , photophobia , dizziness, headaches and other symptoms , resulting in decreased visual acuity, refractive error , dry eye problems , and even affect the eyes, rhodopsin , visual pigment , ciliary muscle and other physiological functions, cause serious eye diseases, In addition , when the eyes are often tired a long time , people will be headache, nausea , dizziness , sweating, muscle tension in the neck , shoulder pain, yellowish complexion , dizziness , neck and shoulder pain, weakness and other symptoms sleepy and often There listlessness, sleepiness , memory loss , insomnia and other psychological symptoms. It was not so visible light damage , therefore, Hu called on here you must love your eyes on your health is responsible , after all, only one pair of eyes , can not wait to take care of problems again , then repent Hello!
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In particular that :Families with children should pay attention ! Children 's eyes are still in development stage , watching this fuzzy picture of visual impairment in children even more.
What is true 3DTV?
A good 3D TV, image quality and refresh rate in the display must have a good performance . For this reason, most manufacturers will LED as the standard 3D TV , one of the most perfect than FULL LED backlight technology, which take into account the direct type -in LED LED and the advantages of the side , so slim appearance and excellent quality are Perfect unity. LG 's 3D TV on the application of a FULL LED backlight technology , has been the industry as " the best 3D image quality television . "
Meanwhile, the refresh rate is also an important factor in selection 3D TV . In the 2D era , 200Hz refresh rate has been effectively eliminate the phenomenon of tailing and blur , and into the 3D era, most manufacturers use shutter 3D glasses, the principle is seen alternately left and right eye image, and then in the brain The two images together, to achieve 3D effects. This means that the refresh rate should be based on the 2D double , if the left and right eye respectively, to achieve the effect of 200Hz refresh rate , then the TV will need to 400Hz refresh rate.
In addition, the larger the size of television , 3D effects will certainly be better. On the one hand , large-screen picture to show more detail ; the other hand, consumers in the viewing 3D images , you can not view the impact of excess , to better integrate into which we are very familiar with the previous 3D blockbuster " Avatar " The reason why the highly acclaimed because of the director in the shooting, is also considering a full range of viewing comfort , and that makes the audience something more to say after reading .
How to choose healthy 3DTV?
Purchase 3D television , it must be taken into account for watching 3D effects, comfort and watch the TV price.
Because China has no formal national standards for 3D TV . However, experts still made a good 3D TV should have four basic conditions.
First of all, to have excellent dynamic performance capabilities. Secondly, with rich vivid color reproduction capabilities. LED current mainstream than the previous CCFL LCD TV television, the dynamic reduction of capacity and color reproduction is very high , and of course a new era of LED-FULL LED 's effect will be greater .
Third, the left and right visual sensation of brightness , color, clarity and other indicators should be consistent with good degrees. In general , 3D TV refresh rate the higher the resolution and other indicators will be higher. The current mainstream 200Hz , 400Hz high-end 3D TV will select configuration.
To explain the problem to read today , perhaps you will say , I want to pursue fashion, not demanding more effective health care , then get a switch to 3D, 2D TV first " playing ", etc. With a later replacement , then I That it is still losing is a good choice. But if you are a cautious , rational consumers of health , then you will still rational choice 3D television.
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