An optical filter and a method of manufacturing the optical filter.
An optical filter, a display apparatus using the optical filter, and a method for manufacturing the optical filter.
An optical filter screen (100) for a visual monitor includes an optical filter supported by a support frame.
An optical filter and a lighting device using the same wherein the suppression of the melatonin secretion by the reception of light in the nighttime is prevented and the color of light is maintained desirable are provided.
The optical filter is a multibandpass filter, such as a scanning Fabry-Perot filter.
The optic signal is then directed incident to the optic filter and an electrical field is applied to the intermediate layer of the optic filter.
The optical lowpass filter also comprises a color correction filter and an antireflection filter.
A variable optical filter is disclosed including a bandpass filter and a blocking filter.
The optical filter (65) is a band-pass filter having a center frequency of 660 nanometers.
Also disclosed is a filter for display panels using such an optical filter.
At least one of the first optical fiber, the second optical fiber, the first optical filter and the second optical filter is subjected to a process of forming a metal film.