Abstract: A chip on film package according to one embodiment of the present disclosure includes: a base film; a wiring unit located on the base film; a semiconductor chip mounted on the wiring unit; a first heat dissipation unit configured to come into contact with the semiconductor chip; a second heat dissipation unit configured to come into contact with the first heat dissipation unit, and comprise a metal; and an adhesive unit configured to attach the base film on which the wiring unit is located and the semiconductor chip is mounted to the second heat dissipation unit with the first heat dissipation unit therebetween.

Abstract: The present invention provides a circuit driving element including a driving chip having a long axis and a short axis, the long axis being vertical to a bending axis and a crack prevention layer having a wider area than an area of the driving chip and covering a whole top surface of the driving chip, wherein the circuit driving element is provided in a non-display area of a display panel and is bent with respect to the bending axis, and a display apparatus including the circuit driving element.

Abstract: Disclosed herein is a chip on film package including a base film, output wiring disposed on the base film and extending along a first direction, an insulation layer overlapping at least a portion of the output wiring, an output pad portion defined as a region in which the output wiring is exposed without the insulation layer, a semiconductor chip mounted on the base film and electrically connected to the output wiring, and a protective layer disposed between the semiconductor chip and the output pad portion with respect to the first direction.

Abstract: A chip on film package according to one embodiment of the present disclosure includes: a base film; a wiring unit located on the base film; a semiconductor chip mounted on the wiring unit; a first heat dissipation unit configured to come into contact with the semiconductor chip; a second heat dissipation unit configured to come into contact with the first heat dissipation unit, and comprise a metal; and an adhesive unit configured to attach the base film on which the wiring unit is located and the semiconductor chip is mounted to the second heat dissipation unit with the first heat dissipation unit therebetween.

Abstract: The present invention provides a circuit driving element including a driving chip having a long axis and a short axis, the long axis being vertical to a bending axis and a crack prevention layer having a wider area than an area of the driving chip and covering a whole top surface of the driving chip, wherein the circuit driving element is provided in a non-display area of a display panel and is bent with respect to the bending axis, and a display apparatus including the circuit driving element.

Abstract: The present disclosure discloses a moistureproofing chip on film (COF) package for protecting the conductive pattern of the COF package against moisture. The moistureproofing COF package includes a base film having a conductive pattern formed on one surface thereof and having a solder resist formed on the conductive pattern and a moistureproofing tape attached to the top of the solder resist and configured to block moisture from being delivered to the conductive pattern through the solder resist.

Abstract: The present disclosure discloses a moistureproofing chip on film (COF) package for protecting the conductive pattern of the COF package against moisture. The moistureproofing COF package includes a base film having a conductive pattern formed on one surface thereof and having a solder resist formed on the conductive pattern, and a moistureproofing coating layer formed on the solder resist by coating and configured to block moisture from being delivered to the conductive pattern through the solder resist.