Display device with signal lines being wired in display area and method for manufacturing the same

A method for manufacturing a display device, the display device comprises a driving circuit board with a plurality of first connection electrodes being provided at a side of the driving circuit board, and a display module on a side of the driving circuit board, the display module comprises a flexible substrate, a plurality of signal lines on a side, away from the driving circuit board, of the flexible substrate and a plurality of bottom electrodes on a side, facing the driving circuit board, of the flexible substrate, the flexible substrate is provided with a plurality of first via holes in a display area of the display module, the signal lines are electrically connected with the bottom electrodes through the first via holes, and the bottom electrodes are electrically connected with the first connection electrodes, the method comprises:

• providing a mother board;
• forming a strippable layer on the mother board;
• forming a plurality of mutually independent display modules on the strippable layer, wherein each display module comprises a flexible substrate, a plurality of signal lines on the flexible substrate, and a plurality of bottom electrodes on a side of the flexible substrate away from the signal lines, the flexible substrate is provided with a plurality of first via holes in a display area of each display module, and the signal lines are electrically connected with the bottom electrodes through the first via holes;
• cutting the mother board to obtain the display modules separated;
• separating the display modules from the strippable layer;
• providing a driving circuit board, wherein a plurality of first connection electrodes are provided on a side of the driving circuit board;
• and
• arranging at least one display module at a side of the driving circuit board so that the bottom electrodes are electrically connected with the first connection electrodes.

A display device, comprising:

• a driving circuit board, a plurality of first connection electrodes being provided at a side of the driving circuit board;
• a display module on a side of the driving circuit board, the display module comprising a flexible substrate, a plurality of signal lines on a side, away from the driving circuit board, of the flexible substrate and a plurality of bottom electrodes on a side, facing the driving circuit board, of the flexible substrate, wherein the flexible substrate is provided with a plurality of first via holes in a display area of the display module, the signal lines are electrically connected with the bottom electrodes through the first via holes, and the bottom electrodes are electrically connected with the first connection electrodes,
• wherein the signal lines comprise a plurality of scan signal lines, a plurality of data signal lines, and a plurality of high-level signal lines;
• the display module comprises a pixel circuit on a side of the flexible substrate away from the driving circuit board;
• the pixel circuit comprises a first metal layer and a second metal layer, the second metal layer is disposed on a side, away from the flexible substrate, of the first metal layer;
• the first metal layer comprises the scan signal lines and the high-level signal lines, and the second metal layer comprises the data signal lines,
• wherein the pixel circuit comprises a capacitor, the first metal layer further comprises a first electrode of the capacitor, and the second metal layer further comprises a second electrode of the capacitor.