A panel module comprising: a display panel comprising a first substrate and second substrate disposed in front of the first substrate; a chip-on-film, COF, comprising: a front portion connected to an end portion of the first substrate (Ila), which is not overlapped by the second substrate, and a side portion bent from the front portion of the COF and extending rearward with respect to the display panel along a side edge of the display panel; a cover comprising: a front portion in front of the COF, coplanar with a front surface of the display panel and extending past the front portion of the COF to cover and hide the front portion of the COF, and a side portion bent from the front portion of the cover and extending rearward with respect to the display panel along the side portion of the COF; and an adhesive attaching the cover to the display panel, wherein the front portion and the side portion of the cover comprise a first inner surface and a second inner surface, respectively, the front portion of the COF comprises an edge facing an edge of the second substrate and a third inner surface facing the first inner surface, the side portion of the COF comprises a fourth inner surface facing the second inner surface, a part of the adhesive is disposed between the edge of the second substrate, the edge of the COF and the first inner surface, and another part of the adhesive is disposed between the first inner surface and the third inner surface, and between the second inner surface and the fourth inner surface, characterized in that the cover is formed of a metal material. a display panel comprising a first substrate and second substrate disposed in front of the first substrate; a chip-on-film, COF, comprising: a front portion connected to an end portion of the first substrate (Ila), which is not overlapped by the second substrate, and a side portion bent from the front portion of the COF and extending rearward with respect to the display panel along a side edge of the display panel; a front portion connected to an end portion of the first substrate (Ila), which is not overlapped by the second substrate, and a side portion bent from the front portion of the COF and extending rearward with respect to the display panel along a side edge of the display panel; a cover comprising: a front portion in front of the COF, coplanar with a front surface of the display panel and extending past the front portion of the COF to cover and hide the front portion of the COF, and a side portion bent from the front portion of the cover and extending rearward with respect to the display panel along the side portion of the COF; and a front portion in front of the COF, coplanar with a front surface of the display panel and extending past the front portion of the COF to cover and hide the front portion of the COF, and a side portion bent from the front portion of the cover and extending rearward with respect to the display panel along the side portion of the COF; and an adhesive attaching the cover to the display panel, wherein the front portion and the side portion of the cover comprise a first inner surface and a second inner surface, respectively, the front portion of the COF comprises an edge facing an edge of the second substrate and a third inner surface facing the first inner surface, the side portion of the COF comprises a fourth inner surface facing the second inner surface, a part of the adhesive is disposed between the edge of the second substrate, the edge of the COF and the first inner surface, and another part of the adhesive is disposed between the first inner surface and the third inner surface, and between the second inner surface and the fourth inner surface, characterized in that the cover is formed of a metal material.