Display panel apparatus and method of fabricating display panel apparatus

A display panel apparatus comprising:

• a substrate;
• a planarizing film formed on the substrate;
• a pixel formed on the planarizing film and including:
• a lower electrode;
• an organic layer;
• and an upper electrode;
• an auxiliary electrode electrically insulated from the lower electrode and electrically connected to the upper electrode;
• a display section including a plurality of the pixels;
• an electrode plate electrically connected to the auxiliary electrode and arranged to cover the planarizing film outside the display section;
• and
• a power supply section electrically connected to the electrode plate,
• wherein the electrode plate has a hole exposing a part of a surface of the planarizing film,
• the power supply section has a shape of triangle having a vertex pointed toward the display section,
• among a plurality of the holes, a predetermined hole provided between a side of the triangle and the display section has a rectangular opening with a longer side parallel with a side of the display section near the predetermined hole, and
• the predetermined hole is open along flow of current between the power supply section and a part connecting the auxiliary electrode and the electrode plate.

A display panel apparatus comprising:

• a substrate;
• a planarizing film formed on the substrate;
• a pixel formed on the planarizing film and including:
• a lower electrode;
• an organic layer;
• and an upper electrode;
• an auxiliary electrode electrically insulated from the lower electrode and electrically connected to the upper electrode;
• a display section including a plurality of the pixels;
• an electrode plate electrically connected to the auxiliary electrode and arranged to cover the planarizing film outside the display section;
• and
• a power supply section electrically connected to the electrode plate,
• wherein the electrode plate has a hole exposing a part of a surface of the planarizing film,
• the power supply section has a shape of trapezoid having an upper base facing the display section,
• among a plurality of the holes, a predetermined hole provided between the upper base of the trapezoid and the display section has a rectangular opening with a shorter side parallel with a side of the display section near the predetermined hole, and
• the predetermined hole is open along flow of current between the power supply section and a part connecting the auxiliary electrode and the electrode plate.

A display panel apparatus comprising:

• a substrate;
• a planarizing film formed on the substrate;
• a pixel formed on the planarizing film and including:
• a lower electrode;
• an organic layer;
• and an upper electrode;
• an auxiliary electrode electrically insulated from the lower electrode and electrically connected to the upper electrode;
• a display section including a plurality of the pixels;
• an electrode plate electrically connected to the auxiliary electrode and arranged to cover the planarizing film outside the display section;
• and
• a power supply section electrically connected to the electrode plate,
• wherein the electrode plate has a hole exposing a part of a surface of the planarizing film,
• the power supply section has a shape of trapezoid having an upper base facing the display section,
• among a plurality of the holes, a predetermined hole provided between a leg of the trapezoid and the display section has a rectangular opening with a longer side parallel with a side of the display section near the predetermined hole, and
• the predetermined hole is open along flow of current between the power supply section and a part connecting the auxiliary electrode and the electrode plate.

A method of fabricating a display panel apparatus comprising:

• a first process of forming a TFT layer including a driver element which causes an organic EL layer containing an organic luminescent material to emit light;
• a second process of forming a planarizing film which planarizes an upper surface of the TFT layer;
• a third process of forming a lower electrode in a display section of a display panel above the planarizing film, an electrode plate in a region around the display section of the display panel above the planarizing film, and an auxiliary electrode outside of a region in which the lower electrode is formed in the display section of the display panel above the planarizing film, the auxiliary electrode being electrically insulated from the lower electrode and electrically connected to the electrode plate;
• a fourth process of forming, above the lower electrode, banks for partitioning pixels;
• a fifth process of forming the organic EL layer in regions partitioned by the banks;
• and
• a sixth process of forming, above the organic EL layer, an upper electrode for causing the organic layer to emit light by a current supply to and from the lower electrode, the upper electrode being electrically connected to the auxiliary electrode,
• wherein the electrode plate has a hole exposing a part of a surface of the planarizing film,
• in at least one of the third process and the fourth process, the planarizing film is outgassed through the holes of the electrode plate,
• the electrode plate has a power supply section which receives current through the electrode plate, and
• the hole is a rectangular opening with a longer side parallel with a side of the display section near the hole, and
• the hole is open along flow of current between the power supply section and a part connecting the auxiliary electrode and the electrode plate.