A wiring board includes a substrate that has transparency, a primer layer provided on the substrate, and a mesh wiring layer that is disposed on the primer layer and that includes a plurality of first-direction wiring lines and a plurality of second-direction wiring lines that interconnect the plurality of first-direction wiring lines. The primer layer includes a polymer material. At intersections of the first-direction wiring lines and the second-direction wiring lines, at least one corner portion of four corner portions formed between the first-direction wiring lines and the second-direction wiring lines is rounded in plan view.

A wiring board includes a substrate that has transparency, a primer layer provided on the substrate, and a mesh wiring layer that is disposed on the primer layer and that includes a plurality of first-direction wiring lines and a plurality of second-direction wiring lines that interconnect the plurality of first-direction wiring lines. The primer layer includes a polymer material. At intersections of the first-direction wiring lines and the second-direction wiring lines, at least one corner portion of four corner portions formed between the first-direction wiring lines and the second-direction wiring lines is rounded in plan view.

A display panel includes a pixel region and a non-pixel region adjacent to the pixel region, and a light-emitting element layer disposed on a base layer. The light-emitting element layer includes a first electrode disposed on the base layer, a pixel defining film disposed on the base layer and having pixel openings corresponding to the pixel region, a heating line disposed on the pixel defining film, an organic layer including a light-emitting layer and disposed on the first electrode, and a second electrode disposed on the organic layer. The heating line is disposed in the non-pixel region and surrounds the pixel region in a plan view, thereby improving reliability and processability.

A display panel includes a pixel region and a non-pixel region adjacent to the pixel region, and a light-emitting element layer disposed on a base layer. The light-emitting element layer includes a first electrode disposed on the base layer, a pixel defining film disposed on the base layer and having pixel openings corresponding to the pixel region, a heating line disposed on the pixel defining film, an organic layer including a light-emitting layer and disposed on the first electrode, and a second electrode disposed on the organic layer. The heating line is disposed in the non-pixel region and surrounds the pixel region in a plan view, thereby improving reliability and processability.

Disclosed is a chip-on-film package capable of preventing damage to a surface thereof. The chip-on-film package includes a flexible base film, a first metal wiring layer formed on a first surface of the base film, a first surface insulating layer formed on the first metal wiring layer, a semiconductor chip connected to the first metal wiring layer through an opening formed in the first surface insulating layer, and a spacer formed on the first surface insulating layer within a target area, which is an area within which the first surface insulating layer and a structure of a display panel contact each other. At least one groove is formed in the first surface insulating layer within the target area, and the spacer includes a first spacer filled in the groove.

Disclosed is a display apparatus having a minimum bezel area and a multi-screen display apparatus comprising the same, wherein the display apparatus may include a first substrate having an active area, a non-active area surrounding the active area, and a bending portion bent in a curved shape, a display portion disposed on the active area of the first substrate, a protection layer for covering the display portion, and a second substrate disposed on the protection layer and configured to have a smaller size than the active area.

A display module includes a display panel, a support layer and a pyroelectric induction device layer. The support layer is disposed on a non-display side of the display panel. The pyroelectric induction device layer includes a first electrode layer, a pyroelectric induction layer and a second electrode layer that are sequentially disposed in a thickness direction of the support layer, and at least a portion of the pyroelectric induction device layer is embedded in the support layer.

A display module includes a display panel, a support layer and a pyroelectric induction device layer. The support layer is disposed on a non-display side of the display panel. The pyroelectric induction device layer includes a first electrode layer, a pyroelectric induction layer and a second electrode layer that are sequentially disposed in a thickness direction of the support layer, and at least a portion of the pyroelectric induction device layer is embedded in the support layer.

Provided is a semiconductor device for video transmission display including a display unit including a plurality of light emitting elements constituting a plurality of unit display pixels, an image sensor unit disposed on the display unit so that the plurality of unit image sensor pixels corresponding to the same color and the plurality of unit display pixels overlap each other at least partially in a vertical direction, and a plurality of connection paths each including at least one through electrode and electrically connecting the plurality of unit image sensor pixels corresponding to the same color to the plurality of unit display pixels.

Provided is a semiconductor device for video transmission display including a display unit including a plurality of light emitting elements constituting a plurality of unit display pixels, an image sensor unit disposed on the display unit so that the plurality of unit image sensor pixels corresponding to the same color and the plurality of unit display pixels overlap each other at least partially in a vertical direction, and a plurality of connection paths each including at least one through electrode and electrically connecting the plurality of unit image sensor pixels corresponding to the same color to the plurality of unit display pixels.