Double-sided display panel

A display panel, comprising:

• a flexible substrate;
• a driving circuit layer disposed on the flexible substrate, wherein the driving circuit layer comprises a first transistor and a second transistor;
• a first light-emitting unit disposed on a side of the driving circuit layer away from the flexible substrate, wherein the first light-emitting unit is connected to a first source electrode or a first drain electrode of the first transistor, and the first light-emitting unit emits light from a side away from the flexible substrate;
• and
• a second light-emitting unit disposed on the side of the flexible substrate away from the driving circuit layer, wherein the second light-emitting unit is connected to a second source electrode or a second drain electrode of the second transistor through a connection hole penetrating through the flexible substrate, and the second light-emitting unit emits light from a side away from the flexible substrate;
• wherein, along a direction of the flexible substrate toward the first light-emitting units, the driving circuit layer comprises an active layer, a gate insulating layer, a first metal layer, an interlayer insulating layer, and a second metal layer;
• and
• wherein the active layer comprises a first active layer and a second active layer arranged spaced apart from each other, the first metal layer comprises a first gate electrode and a second gate electrode spaced apart from each other, the first gate electrode is disposed corresponding to the first active layer, the second gate electrode is disposed corresponding to the second active layer, and the second metal layer comprises the first source electrode, the first drain electrode, the second source electrode, and the second drain electrode, the first source electrode and the first drain electrode are respectively connected to the first active layer, and the second source electrode and the second drain electrode are respectively connected to the second active layer;
• wherein the interlayer insulating layer has a plurality of contact holes and the connection hole, each of the contact holes penetrates through the interlayer insulating layer and extends to the a side of the active layer away from the flexible substrate, each of the contact holes exposes a surface of the active layer on a side away from the flexible substrate, and the connection hole penetrates through the interlayer insulating layer and extends to the a side of the flexible substrate away from the driving circuit layer;
• and
• wherein the first source electrode and the first drain electrode are respectively connected to the first active layer through corresponding ones of the contact holes, the second source electrode and the second drain electrode are respectively connected to the second active layer through corresponding ones of the contact holes, and the second source electrode or the second drain electrode is connected to each of the second light-emitting units through the connection hole.

A display panel, comprising:

• a flexible substrate;
• a driving circuit layer disposed on the flexible substrate, wherein the driving circuit layer comprises a first transistor and a second transistor;
• a first light-emitting unit disposed on a side of the driving circuit layer away from the flexible substrate, wherein the first light-emitting unit is connected to a first source electrode or a first drain electrode of the first transistor, and the first light-emitting unit emits light from a side away from the flexible substrate;
• and
• a second light-emitting unit disposed on the side of the flexible substrate away from the driving circuit layer, wherein the second light-emitting unit is connected to a second source electrode or a second drain electrode of the second transistor through a connection hole penetrating through the flexible substrate, and the second light-emitting unit emits light from a side away from the flexible substrate;
• wherein the display panel comprises a plurality of the first light-emitting units and a plurality of the second light-emitting units, and the driving circuit layer comprises a plurality of the first transistors and a plurality of the second transistors, each of the first transistors is connected to at least one of the first light-emitting units, and each of the second transistors is connected to at least one of the second light-emitting units;
• wherein the plurality of the first light-emitting units are arranged in an array, the plurality of the second light-emitting units are arranged in an array, and at least one of the first light-emitting units are disposed between every adjacent two of the second light-emitting units.