Patent ID: 11860523
Assignee: SEIKO EPSON CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 6:
7. The wavelength conversion apparatus according to claim 1, further comprising
a light-incident-side optical array layer that causes the excitation light to be incident on a surface of the wavelength conversion layer that is a surface opposite from a surface facing the optical array layer,
wherein the light-incident-side optical array layer is formed of a plurality of cells each having a third surface on which the excitation light is incident and a fourth surface via which the incident excitation light exits and has a reflection surface that extends from the third surface to the fourth surface, is located at an interface between adjacent cells, and reflects the light, and
the excitation light enters the wavelength conversion layer via the light-incident-side optical array layer, and the light converted in terms of wavelength enters the optical array layer.