Display panel and preparation method thereof

A preparation method of a display panel, comprising:

• providing a first display substrate;
• wherein the first display substrate comprises:
• a first glass substrate, comprising a first surface and a second surface that are opposite to each other;
• wherein the first glass substrate comprises a plurality of first conductive vias extending from the first surface to the second surface;
• the plurality of first conductive vias comprise a plurality of first anode-electrode conductive vias and a plurality of first cathode-electrode conductive vias;
• and
• a plurality of first light-emitting units, arranged on the first surface of the first glass substrate;
• wherein each of the plurality of first light-emitting units comprises a first anode electrode, a first organic light-emitting layer, and a first cathode electrode that are stacked in sequence in a direction away from the first glass substrate;
• the first anode electrode is electrically connected to a matched one of the plurality of first anode-electrode conductive vias;
• the first cathode electrode is electrically connected to one of the plurality of first cathode-electrode conductive vias;
• providing a second display substrate;
• wherein the second display substrate comprises:
• a second glass substrate, comprising a third surface and a fourth surface that are opposite to each other;
• wherein the second glass substrate comprises a plurality of second conductive vias extending from the third surface to the fourth surface;
• the plurality of second conductive vias comprise a plurality of second anode-electrode conductive vias and a plurality of second cathode-electrode conductive vias;
• and
• a plurality of second light-emitting units, arranged on the third surface of the second glass substrate;
• wherein each of the plurality of second light-emitting units comprises a second anode electrode, a second organic light-emitting layer, and a second cathode electrode that are stacked in sequence in a direction away from the second glass substrate;
• the second anode electrode is electrically connected to a matched one of the plurality of second anode-electrode conductive vias;
• the second cathode electrode is electrically connected to one of the plurality of second cathode-electrode conductive vias;
• providing a silicon-based driving substrate;
• wherein the silicon-based driving substrate comprises a fifth surface and a sixth surface that are opposite to each other;
• the silicon-based driving substrate comprises a plurality of third conductive vias extending from the fifth surface to the sixth surface;
• each of the plurality of third conductive vias is electrically connected to a driving circuit of the silicon-based driving substrate;
• the plurality of third conductive vias comprise a plurality of third anode-electrode conductive vias and a plurality of third cathode-electrode conductive vias;
• and
• bonding the fifth surface of the silicon-based driving substrate to the second surface of the first glass substrate, and bonding the sixth surface of the silicon-based driving substrate to the fourth surface of the second glass substrate;
• wherein an end of each third anode-electrode conductive via of the plurality of third anode-electrode conductive vias is electrically connected to a matched first anode-electrode conductive via of the plurality of first anode-electrode conductive vias, another end of the each third anode-electrode conductive via is electrically connected to a matched second anode-electrode conductive via of the plurality of second anode-electrode conductive vias;
• an end of each third cathode-electrode conductive via of the plurality of third cathode-electrode conductive vias is electrically connected to a matched first cathode-electrode conductive via of the plurality of first cathode-electrode conductive vias, another end of the each third cathode-electrode conductive via is electrically connected to a matched second cathode-electrode conductive via of the plurality of second cathode-electrode conductive vias.