Patent ID: 9465364
Filing Date: 2016-10-11
CPC Classification: F21V,G02B,G04B

Claim Text:
1. A device for illuminating at least one display indicator of a horological or scientific apparatus, the indicator being incorporated in a case in the device underneath an aperture also in the device, the device comprising: at least one phosphorescent light source inside the case; means of collecting external light energy from an ambient medium of the case towards the phosphorescent light source; at least one light component formed either by the phosphorescent light source or by a light relay connected to the phosphorescent light source by a means of transmitting light energy retransmitted by the phosphorescent light source, to illuminate the indicator, either on the opposite side to the aperture relative to the indicator, or at a periphery of the aperture; a cover insertable between the light component and the indicator between an obscuring position, where the cover obstructs passage of light between the light component and the indicator, and a lighting position, where the cover does not obstruct the passage of light; and a control means configured to move the cover; and wherein the cover is made of opaque material with an aesthetic function in a day mode, and enhancing contrast in reading of the indicator.