Philips globally, the scale advantages of the Japanese proved insurmountable and Philips withdrew the V2000 system and joined the VHS Coalition. Philips had developed a LaserDisc early on for selling movies, but delayed its commercial launch for fear of cannibalizing its video recorder sales. Later Philips joined with MCA to launch the first commercial LaserDisc standard and players. In 1982, Philips teamed with Sony to launch the Compact Disc; this format evolved into the CD-R, CD-RW, DVD and later Blu-ray, which Philips launched with Sony in 1997 and 2006 respectively. In 1984, the Dutch Philips Group bought out nearly a one-third
CD-R the cost of typical recorders was down to $10,000–12,000, and in September 1995, Hewlett-Packard introduced its model 4020i manufactured by Philips, which, at $995, was the first recorder to cost less than $1000. The dye materials developed by Taiyo Yuden made it possible for CD-R discs to be compatible with Audio CD and CD-ROM discs. Initially, in the United States, there was a market separation between "music" CD-Rs and "data" CD-Rs, the former being several times more expensive than the latter due to industry copyright arrangements with the RIAA. Physically, there is no difference between the discs save for the