OLED vs GHC Comparison

Universal Display Corp researches, develops, and manufactures organic light-emitting diode, or OLED, technologies for use in displays for mobile phones, tablets, televisions, wearables, personal computers, automotive interiors, and the solid-state lighting market. OLED technologies are an alternative to light-emitting diode, or LED, technologies, in the solid-state lighting market, and liquid crystal displays in the flat-panel-display market. The Company has one reportable business segment being OLED technologies and materials. The large majority of the firm's revenue is generated in South Korea, with the rest coming from Japan, China, the United States, and other countries across the world.

Graham Holdings Company is a diversified holding company with operations spanning educational services, television broadcasting, healthcare, manufacturing, automotive dealerships, and other businesses. The Company's education activities are conducted through Kaplan, whose services include academic preparation programs for international students, English-language programs, exam preparation, and career and academic advisement. These services are provided to students, schools, and colleges, both domestically and outside the United States. It operates through seven reportable segments: Kaplan International, Kaplan Higher Education, Kaplan Supplemental Education, Television Broadcasting, CSI, Manufacturing and Automotive, with key revenue coming from the Education and Automotive segments.