A method of reducing a border of an electronic device, the method comprising: providing a display unit (200, 300, 400, 600, 700) of the electronic device, the display unit (200, 300, 400, 600, 700) having a display active area (204, 606, 706, 806A) disposed between an encapsulation layer and a substrate (206, 608, 708, 808A) such that the encapsulation layer encloses the display active area (204, 606, 706, 806A) between a surface of the encapsulation layer and a surface of the substrate (206, 608, 708, 8o8A); cutting a section of the display unit (200, 300, 400, 600, 700) at one edge of the display unit (200, 300, 400, 600, 700) such that a portion of the encapsulation layer and a portion of the substrate (206, 608, 708, 808A) are removed from the display unit (200, 300, 400, 600, 700) while no display active area (204, 606, 706, 806A) is removed; and sealing the cut section of the display unit (200, 300, 400, 600, 700), characterized in that the sealing comprises: placing a transparent cover (402, 602, 702, 802A) over the display unit (200, 300, 400, 600, 700) such that the encapsulation layer is disposed between the transparent cover (402, 602, 702, 802A) and the display active area (204, 606, 706, 806A), and applying a sealant (712A, 712B) to cover an opening (208, 610) between the transparent cover (402, 602, 702, 802A) and the substrate (206, 608, 708, 808A) along the edge of the cut section of the display unit (200, 300, 400, 600, 700). providing a display unit (200, 300, 400, 600, 700) of the electronic device, the display unit (200, 300, 400, 600, 700) having a display active area (204, 606, 706, 806A) disposed between an encapsulation layer and a substrate (206, 608, 708, 808A) such that the encapsulation layer encloses the display active area (204, 606, 706, 806A) between a surface of the encapsulation layer and a surface of the substrate (206, 608, 708, 8o8A); cutting a section of the display unit (200, 300, 400, 600, 700) at one edge of the display unit (200, 300, 400, 600, 700) such that a portion of the encapsulation layer and a portion of the substrate (206, 608, 708, 808A) are removed from the display unit (200, 300, 400, 600, 700) while no display active area (204, 606, 706, 806A) is removed; and sealing the cut section of the display unit (200, 300, 400, 600, 700), characterized in that the sealing comprises: placing a transparent cover (402, 602, 702, 802A) over the display unit (200, 300, 400, 600, 700) such that the encapsulation layer is disposed between the transparent cover (402, 602, 702, 802A) and the display active area (204, 606, 706, 806A), and applying a sealant (712A, 712B) to cover an opening (208, 610) between the transparent cover (402, 602, 702, 802A) and the substrate (206, 608, 708, 808A) along the edge of the cut section of the display unit (200, 300, 400, 600, 700). placing a transparent cover (402, 602, 702, 802A) over the display unit (200, 300, 400, 600, 700) such that the encapsulation layer is disposed between the transparent cover (402, 602, 702, 802A) and the display active area (204, 606, 706, 806A), and applying a sealant (712A, 712B) to cover an opening (208, 610) between the transparent cover (402, 602, 702, 802A) and the substrate (206, 608, 708, 808A) along the edge of the cut section of the display unit (200, 300, 400, 600, 700).