Apple still relying on Samsung for key parts used on its iOS devices45
While Samsung accounted for 62% of the 9.7 inch tablet screens shipped to Apple from January through March, LG Display dropped into second place during that time period. Samsung's country mate was responsible for 61% of the 9.7 inch, 2048 x 1536 resolution displays shipped to Apple in the fourth quarter. But by the end of the first quarter, LG was responsible for just 38% of those screens received by the iPad manufacturer.
TSMC is supposed to be providing Cupertino with the A8 chip, it is believed that Samsung will also send some A8 production Apple's way. The last we heard, Sammy was having problems with the 20nm process needed to produce the chip, but was still being counted on to provide the silicon to Apple.
There have been rumors for years that Apple would replace Samsung completely with TSMC, for production of its Ax chip. But each year, Samsung would find itself called upon by Apple, to provide the processor. The same thing would be rumored each year for displays, with talk that Sharp and LG would be able to handle all of the business. Instead, Samsung managed to get called back each year by Apple, to provide panels.
You would think that this relationship could be the basis of a patent deal to be worked out between the two companies. But don't hold your breath. When massive egos and huge amounts of money are in the way, common sense is the first casualty.
source: ZDNet.kr (translated) via CNET