A bottom-emission type organic light emitting diode, comprising: a substrate, wherein the substrate is a transparent body through which visible light passes; an anodic conductive layer formed from a transparent conductor, wherein the anodic conductive layer is laminated on the substrate; an organic electroluminescence layer that includes a light emitting layer comprising an organic light emitting material, wherein the organic electroluminescence layer is laminated on the anodic conductive layer; a cathodic conductive layer having a thickness of 50 nm to 3000 nm, said cathodic conductive layer comprising 70% by mass or more of Ag, wherein the cathodic conductive layer is laminated on the organic electroluminescence layer; and a lattice structure, in which a plurality of concave portions are periodically and two-dimensionally arranged, wherein the concave portions are provided to the cathodic conductive layer at an interface between the cathodic conductive layer and the organic electroluminescence layer, wherein the lattice structure is a triangular lattice structure; wherein the organic light emitting diode is configured to emit light at an extraction wavelength λ (nm), and the extraction wavelength λ (nm) and a distance p (nm) between centers of adjacent concave portions in the lattice structure are within a polygonal-shaped region defined by straight lines sequentially connecting the following coordinates A, B, C, D, E, F, G, H, I, J, and A in a graph illustrating a relationship between the light extraction wavelength and the distance, wherein A (λ= 450, p= 258 + W(1/2)), B (λ= 500, p= 319 + W(1/2)), C (λ= 600, p= 406 + W(1/2)), D (λ= 700, p= 484 + W(1/2)), E (λ= 800, p= 561 + W(1/2)), F (λ= 800, p= 493 - W(1/2)), G (λ= 700, p= 425 - W(1/2)), H (λ= 600, p= 353 - W(1/2)), I (λ= 500, p= 262 - W(1/2)), and J (λ= 450, p= 110 - W(1/2)), in which W(1/2) represents a half width at half maximum of a light emitting peak in a spectrum of the light emitting material that constitutes the light emitting layer; a depth of the concave portions is 12 nm to 180 nm; and wherein the relationship between the extraction wavelength and distance between adjacent centers of the concave portions in the lattice structure and the depth of corresponding concave portions combine to enhance luminous efficiency. a substrate, wherein the substrate is a transparent body through which visible light passes; an anodic conductive layer formed from a transparent conductor, wherein the anodic conductive layer is laminated on the substrate; an organic electroluminescence layer that includes a light emitting layer comprising an organic light emitting material, wherein the organic electroluminescence layer is laminated on the anodic conductive layer; a cathodic conductive layer having a thickness of 50 nm to 3000 nm, said cathodic conductive layer comprising 70% by mass or more of Ag, wherein the cathodic conductive layer is laminated on the organic electroluminescence layer; and a lattice structure, in which a plurality of concave portions are periodically and two-dimensionally arranged, wherein the concave portions are provided to the cathodic conductive layer at an interface between the cathodic conductive layer and the organic electroluminescence layer, wherein the lattice structure is a triangular lattice structure; wherein the organic light emitting diode is configured to emit light at an extraction wavelength λ (nm), and the extraction wavelength λ (nm) and a distance p (nm) between centers of adjacent concave portions in the lattice structure are within a polygonal-shaped region defined by straight lines sequentially connecting the following coordinates A, B, C, D, E, F, G, H, I, J, and A in a graph illustrating a relationship between the light extraction wavelength and the distance, wherein A (λ= 450, p= 258 + W(1/2)), B (λ= 500, p= 319 + W(1/2)), C (λ= 600, p= 406 + W(1/2)), D (λ= 700, p= 484 + W(1/2)), E (λ= 800, p= 561 + W(1/2)), F (λ= 800, p= 493 - W(1/2)), G (λ= 700, p= 425 - W(1/2)), H (λ= 600, p= 353 - W(1/2)), I (λ= 500, p= 262 - W(1/2)), and J (λ= 450, p= 110 - W(1/2)), in which W(1/2) represents a half width at half maximum of a light emitting peak in a spectrum of the light emitting material that constitutes the light emitting layer; a depth of the concave portions is 12 nm to 180 nm; and wherein the relationship between the extraction wavelength and distance between adjacent centers of the concave portions in the lattice structure and the depth of corresponding concave portions combine to enhance luminous efficiency.