论文部分内容阅读
8000多元买台背投大彩电已是‘普通”,眼下一大批低于万元的背投彩电“集体跳水”甚是引人注目。但是,专家指出,商家只强调了背投彩电降价,却模糊了背投彩电种类上的不同,此类降价的含金量就值得人推敲。 说到背投彩电的同名不同质,就得追根溯源到背投彩电的技术进步。现在市场上低于万元的背投电视全部采用的是阴极射线管（CRT）技术,和普通电视一样,其实还是显像管电视。不同的是,采用了光折射原理才突破了显像管电视只能做到34英寸的极限。应用这种技术的背投彩电3年前就已经在中国市场上出现了。 而一年前,液晶背投彩电开
8000 yuan to buy Taiwan rear projection large color TV is already “ordinary”, now a large number of less than million of the rear projection TV “collective diving” is very noticeable.However, experts point out that businesses only emphasized the rear projection color TV price reduction, but Blurred the different types of rear-projection color TV, the price of such gold is worth considering .Consider the same name as the rear projection color TV, you have traced back to the technical progress of the rear projection color TV .Now the market on the yuan Retrofit TV uses all the cathode ray tube (CRT) technology, and ordinary TV, in fact, or CRT TV. The difference is that the use of the principle of light refraction broke through the CRT TV can only do the 34-inch limit. The technology of rear projection TV 3 years ago has appeared in the Chinese market. A year ago, the LCD rear projection TV