A display device including: a substrate including a main area and a sub-area at a side of the main area; a thin-film transistor on the substrate and positioned in the main area; a first insulating layer on a gate electrode of the thin-film transistor; a light-emitting element on the first insulating layer, positioned in the main area, and electrically connected to the thin-film transistor; a plurality of pads on the first insulating layer and positioned in the sub-area; and a light-blocking layer overlapping the plurality of pads and located between the substrate and the first insulating layer.

A chip on film assembly, a display panel, and a display module are disclosed. The chip on film assembly includes a substrate, an input terminal disposed on a first end of the substrate, a plurality of output terminals disposed on a second end of the substrate, wherein the second end is opposite to the first end, and a plurality of driving chips disposed on a surface of the substrate. The driving chips are electrically connected to the input terminal and are electrically connected to the output terminals by one to one, so space utilization of chip on films (COFs) can be improved, and a problem of insufficient COF bonding spaces for high-resolution products can be solved.

A chip on film assembly, a display panel, and a display module are disclosed. The chip on film assembly includes a substrate, an input terminal disposed on a first end of the substrate, a plurality of output terminals disposed on a second end of the substrate, wherein the second end is opposite to the first end, and a plurality of driving chips disposed on a surface of the substrate. The driving chips are electrically connected to the input terminal and are electrically connected to the output terminals by one to one, so space utilization of chip on films (COFs) can be improved, and a problem of insufficient COF bonding spaces for high-resolution products can be solved.

A display device in accordance with an embodiment may include: a base layer including a first surface and a second surface that is opposite to the first surface; a first insulating layer disposed on the second surface; a planarization layer disposed between the second surface and the first insulating layer; a rear line disposed on the first insulating layer; and a rear pad electrode disposed on the rear line. The planarization layer may include organic material.

A light emitting display apparatus includes a display portion including a plurality of pixel driving lines disposed over a substrate and a plurality of pixels selectively connected to the plurality of pixel driving lines, a light emitting device layer disposed at the display portion, a dam portion including at least one dam having a metal line, a plurality of switching circuit portions disposed to overlap the at least one dam and selectively connected to the plurality of pixel driving lines, and a front pad portion including a plurality of front pads electrically coupled to the plurality of pixel driving lines and the metal line of the at least one dam, each of the plurality of switching circuit portions includes first and second switching circuits each including a gate electrode electrically coupled to the metal line of the at least one dam.

An electroluminescence display can include a substrate including a first pixel at a first row and a first column, a second pixel at the first row and a second column, a third pixel at a second row and the first column, and a fourth pixel at the second row and the second column, a first vertical trench between the first pixel and the second pixel, a second vertical trench between the third pixel and the fourth pixel, a first horizontal trench between the first pixel and the third pixel, a second horizontal trench between the second pixel and the fourth pixel, and a protrusion pillar at an intersection portion of the substrate where the first vertical trench, the second vertical trench, the first horizontal trench, and the second horizontal trench converge.

A display module (10) includes: a display panel (12) and a circuit board (14) coupled to the display panel (12). The display panel (12) includes a driving chip (122) and a display unit (124); and the circuit board (14) includes a first filter element (142), wherein the first filter element (142) is coupled to the driving chip (122) and the display unit (124), and a direct current signal output by the driving chip (122) is filtered by the first filter element (142) and then transmitted to the display unit (124). The present disclosure also provides a display apparatus (1100).

A display module (10) includes: a display panel (12) and a circuit board (14) coupled to the display panel (12). The display panel (12) includes a driving chip (122) and a display unit (124); and the circuit board (14) includes a first filter element (142), wherein the first filter element (142) is coupled to the driving chip (122) and the display unit (124), and a direct current signal output by the driving chip (122) is filtered by the first filter element (142) and then transmitted to the display unit (124). The present disclosure also provides a display apparatus (1100).

A display apparatus includes: a substrate; a first display element having a first emission area configured to emit light of a first color; first and second data lines between the substrate and the first display element, extending in a first direction, and overlapping at least a portion of the first emission area; and first and second auxiliary electrodes between the substrate and the first display element, overlapping at least a portion of the first emission area, and configured to receive a driving voltage, wherein a lengthwise direction of the first and second auxiliary electrodes is the first direction, and wherein the first and second data lines are between the first and second auxiliary electrodes spaced apart from each other in a second direction.

An display panel, including: a flexible display substrate; a circuit board on a back side of the flexible display substrate, wherein the circuit board is bonded and connected to the flexible display substrate, and is provided with a circuit device on a back side of the circuit board far away from the flexible display substrate; an auxiliary bending protection structure on the back side of the flexible display substrate, wherein the auxiliary bending protection structure is fixedly connected to the back side of the flexible display substrate, and the circuit device is in a region where the auxiliary bending protection structure is located.