The new iPad was just 'Plan B' for Apple
本帖最后由 dirk442 于 2012-5-9 14:20 编辑尽管苹果第三代iPad采用Retina显示屏，分辨率为2048x1536，支持4G LTE技术，但其设计还是打了折扣。新款iPad较老版产品厚度厚、重量重，有悖于乔布斯设计思想。
部分分析师表示，第三代iPad今年初就被确定为苹果的B计划。A计划是一款重量没有增加的iPad。尽管新款iPad高度和宽度未变，但厚度增加至0.37英寸，重量增至1.44磅。
专业显示系统公司DisplayMate Technologies创始人、CEO兼总裁雷蒙德·索内拉(Raymond Soneira)对新款iPad内幕相当了解。
他说：“A计划使用来自夏普的IGZO技术，IGZO(indium gallium zinc oxide)为铟镓锌氧化物缩写，是一种薄膜晶体管技术，因其电子迁移率较高，可有效减少晶体管和线路元器件体积。”
简言之，晶体管和线路元器件体积减小提高了透光率，减少所需背光灯数量，从而降低显示屏厚度。但夏普并未适时为其IGZO显示技术做好准备。因此，苹果必须采用更传统的非晶硅技术。
索内拉在谈到第三代iPad时说：“毋庸置疑，新款iPad采用了B计划，将非晶硅像素推高到前所未有的水平，但透光率并不好，因此其LED灯数量高达两倍，电池体积也需要增加70%。”
DisplaySearch分析师理查德·希姆(Richard Shim)同意这一观点。希姆说：“IGZO技术能够提高显示屏亮度、减少LED灯数量，电池体积较非晶硅更小。”
苹果非常时尚，能够将不可能或几乎不可能的事情变为可能。根据新款iPad使用体验，B计划也是一个不错的备选方案。
The new iPad was 'Plan B' for Apple
By Shawn Knight
On May 7, 2012, 7:30 AM EST
A new report suggests that the new iPad is actually Cupertino’s “Plan B” as the original idea was to launch a tablet that was thinner and lighter than the iPad 2. Apple wanted to use a new display technology from Sharp but the Japanese multinational wasn’t able to have the tech ready in time.
CNET notes that Apple initially planned to use IGZO (indium gallium zinc oxide) semiconducting material to create the new iPad screens. DisplayMate Technologies CEO Raymond Soneira told the publication that IGZO features a lot higher electron mobility which would allow them to make the transistors and the circuit elements a lot smaller.
DisplaySearch analyst Richard Shim is confident that the new iPad that Apple released wasn’t part of the original plan. He notes that they pushed the amorphous silicon to a higher pixel per inch than anyone else has but since the light throughput wasn’t very good, they needed double the number of LEDs. This made the 70 percent larger battery mandatory to keep the same battery rating claims as the iPad 2 which ultimately led to the thicker and heavier tablet.
Apple hasn’t had any trouble convincing people to buy their third generation iPad as evident by the 11.8 million tablets the company shipped last quarter. But as many (me included) pointed out when the device was first announced, the increased thickness and weight went against Apple’s mantra as it was heftier than the model it replaced.
Sharp has since started producing panels based on IGZO technology which we could possibly see in the next generation iPad or other tech gadgets.
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