Substrate provided with a stack having thermal properties and an absorbent layer

A substrate coated on one face with a stack of thin layers forming a functional coating which is adapted to act on solar radiation and/or infrared radiation, said functional coating comprising two metallic functional layers, each arranged between two dielectric coatings, so as to comprise a sequence of layers, first dielectric layer Di1/first metallic functional layer F1/second dielectric layer Di2/second metallic functional layer F2/third dielectric layer Di3, starting from the substrate, each dielectric coating comprising at least one layer of dielectric material, wherein:

• the second dielectric coating Di2 located between the first and second metallic functional layers F1,F2 comprises at least one absorbent layer which absorbs solar radiation in the visible part of the spectrum,
• the first and second metallic functional layers F1, F2 have a ratio of thickness of the second metallic functional layer F2 to the first metallic functional layer F1 of between 0.5 and 1.5;
• the first and third dielectric coatings Di1, Di3 have a ratio of optical thickness of the third dielectric coating Di3 to the first dielectric coating Di1 of between 0.5 and 1.5.