iSuppli have been publishing forecasts of the OLED market since 2000, providing industry reports, special studies (OLED IP, OLED manufacturing equipment), and custom consulting.
The display analysis portion of iSuppli was a consulting company called Stanford Resources, founded in 1977. iSuppli cover all aspects of the display industry - LCD, PDP, OLED, projection, TV, display materials, etc.
The other main branch of iSupply covers semiconductor market research. iSuppli also have a teardown service.
iSuppli web page
