TFT-LCD panel maker Chimei Innolux (CMI) is making efforts to hike yield rates for its production of IPS (in-plane switching) panels to a level required for use in the iPad, and hopes to obtain certification from Apple and then begin shipments in May 2011, according to industry sources. In response, CMI declined to comment.

Apple has selected CMI as a supplier of IPS panels used in the iPad next to LG Display and Samsung Electronics, the sources said.