Display device e.g. LCD mounted in motor vehicle, has filter disc which is provided with dark sounded starting material, and color of dye is determined corresponding to complementary color of light

摘要

The device (2) has a filter disc (12) which is arranged on a display panel (10). A light source illuminates the housing (4). An aperture of the housing is covered by the filter disc. The filter disc is provided with a dark sounded starting material. The color of the dye is determined corresponding to the complementary color of light, such that display panel is lightened with the light emitted by the light source unit.