Electro-optical switching element and display device
AssigneeMerck Patent GmbH
InventorsMasayoshi SUZUKI, Tadashi KISHIMOTO
Life of this patent
Estimating the term…
Abstract
The present invention relates to an electro-optical switching element comprising at least one light source, and a light converting layer, and to a use of the electro-optical switching element in an optical device. The invention further relates to an optical device comprising the electro-optical switching element.
Claims15
An electro optical switching element (100), comprising at least one light source (110), and a light converting layer (120), wherein the light converting layer (120) comprises a light converting material (130) that can convert light of the wavelength of the light source (110) into longer light wavelength, and a coloring agent (140) that can absorb a visible light, wherein the coloring agent (140) is selected from the group consisting of dye, pigment and a combination of any of these, wherein the electro optical switching element (100) comprises a plural of light scattering particles (150).
An optical device (210), including the electro optical switching element (100) comprising at least one light source (110), and a light converting layer (120), wherein the light converting layer (120) comprises a light converting material (130) that can convert light wavelength of the light from the light source (110) into longer light wavelength, and a coloring agent (140) that can absorb a visible light, wherein the coloring agent (140) is selected from the group consisting of dye, pigment and a combination of any of these, wherein the electro optical switching element (100) comprises a plural of light scattering particles (150).
Dependencies are inferred from the claim text.