Optoelectronic element

Abstract

Abstract PURPOSE:To eliminate the need for laborious individual assembling adjustment work and make mass production of titled elements inexpensively by sticking and forming an optoelectrically active film on the end face of a distributed index lens, providing an electrode thereon and forming the lens and function elements into one piece. CONSTITUTION:This element is formed by sticking and forming a transparent conductive film 5 of indium oxide or the like over the entire surface on one end face 4A of a distributed index lens 4 taking length L suitably and superposedly forming active thin films 6 consisting of P type and N type silicon films 6A, 6B of a small area cylindrical shape centering at the axial line 4C of the lens thereon. Further an electrode film 7 is provided thereon and lead wires 8, 8 are connected to the film 5 and an electrode film 7. With such element, the luminous flux 9 making diffusion incidence to one end face 4B of the lens 4 is condensed at the other end face 4A, and is made incident to the films 6, from which it is taken out as an electric signal. It is also possible to use the element of the similar constitution as an electroluminescence device.

Inventors

• 👤 Toshinori Takagi
• 👤 Koichi Nishizawa
• 👤 Shinya Katayama

Bibliographic Details