COHERENT LIGHT GENERATING APPARATUS, COHERENT LIGHT GENERATING METHOD AND DISPLAY APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a method, apparatus, display etc. capable of properly generating wide-angle coherent light.SOLUTION: A coherent light generation apparatus comprises: a backlight unit to generate parallel light; and a coherent light generator to focus the parallel light onto a focal point and to generate coherent light so that a hologram is formed using interference of light propagated to the focal point.