FILTER FOR ELECTRONIC DISPLAY

摘要

PROBLEM TO BE SOLVED: To provide a filter for an electronic display which is installed in front of an electronic display, so as to remove unnecessary external light and enhance the contrast of the electronic display.

SOLUTION: The filter 10 for the electronic display installed in front of the electronic display 11 has the minimum value K of transmittance in the wavelength range of from 530 to 610nm, and is set so that luminous transmittance Y1 using the light emission spectrum of the electronic display 11 being an installation object is ≥15% and <25% and is higher than luminous transmittance Y2 using the light emission spectrum (JIS Z8719-1996) of a general type fluorescent lamp F6.

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