A solar cell module defined with an effective area and a dead area, the solar cell module comprising: a plurality of solar cells serially connected with ribbons; and a front substrate disposed at one surface of the plurality of solar cells, the front substrate comprising a light refraction pattern formed to correspond to the dead area, a rear substrate disposed at the other surface of the plurality of solar cells, wherein the front substrate comprises: a transparent substrate portion including a glass; a light refraction pattern formation film formed over the transparent substrate portion with the light refraction pattern, wherein the light refraction pattern comprises grooves or protrusions formed at the light refraction pattern formation film; a protective film (114, 110c) formed over the light refraction pattern formation film for covering the light refraction pattern, wherein a thickness of the transparent substrate portion is greater than a thickness of the protective film (114, 110c) and a thickness of the light refraction pattern formation film, wherein the light refraction pattern formation film includes a thermoplastic polymer material, wherein the light refraction pattern formation film is cured, and the light refraction pattern formation film and protective film are coupled to the transparent portion to form an integrated structure, and wherein the light refraction pattern refracts light incident on the dead area toward the effective area. a plurality of solar cells serially connected with ribbons; and a front substrate disposed at one surface of the plurality of solar cells, the front substrate comprising a light refraction pattern formed to correspond to the dead area, a rear substrate disposed at the other surface of the plurality of solar cells, wherein the front substrate comprises: a transparent substrate portion including a glass; a light refraction pattern formation film formed over the transparent substrate portion with the light refraction pattern, wherein the light refraction pattern comprises grooves or protrusions formed at the light refraction pattern formation film; a protective film (114, 110c) formed over the light refraction pattern formation film for covering the light refraction pattern, wherein a thickness of the transparent substrate portion is greater than a thickness of the protective film (114, 110c) and a thickness of the light refraction pattern formation film, wherein the light refraction pattern formation film includes a thermoplastic polymer material, wherein the light refraction pattern formation film is cured, and the light refraction pattern formation film and protective film are coupled to the transparent portion to form an integrated structure, and wherein the light refraction pattern refracts light incident on the dead area toward the effective area. a transparent substrate portion including a glass; a light refraction pattern formation film formed over the transparent substrate portion with the light refraction pattern, wherein the light refraction pattern comprises grooves or protrusions formed at the light refraction pattern formation film; a protective film (114, 110c) formed over the light refraction pattern formation film for covering the light refraction pattern, wherein a thickness of the transparent substrate portion is greater than a thickness of the protective film (114, 110c) and a thickness of the light refraction pattern formation film, wherein the light refraction pattern formation film includes a thermoplastic polymer material, wherein the light refraction pattern formation film is cured, and the light refraction pattern formation film and protective film are coupled to the transparent portion to form an integrated structure, and wherein the light refraction pattern refracts light incident on the dead area toward the effective area.