Abstract: An electronic device includes: a display panel and a data driver configured to output a plurality of data voltages to the display panel. The display panel includes a plurality of pixels and a plurality of data lines electrically connected to the plurality of pixels. The display panel is selectively driven in a first mode or a second mode, the plurality of data lines are configured to receive the plurality of data voltages, respectively, from the data driver in the first mode, the display panel or the data driver includes a switch part electrically connected to the plurality of data lines, and the plurality of data lines are configured to receive a predetermined voltage through the switch part in the second mode.

Abstract: Described are systems and methods for predicting an overlay of a patterned wafer. Methods can include receiving a machine data set comprising parameters at a plurality of positions of a wafer, generating an integrated data set by aggregating the parameters and mapping the aggregated parameters to an equispatial grid, generating, using a trained machine learning (ML) model, a predicted overlay for the patterned wafer based at least in part on processing the integrated data set.

Abstract: A display device includes a pixel array including a plurality of pixels connected to a plurality of data lines; a timing controller which generates a reference voltage; and a data driver including a first sense amplifier which outputs a first measurement reference voltage corresponding to a first data line among the plurality of data lines, a second sense amplifier that outputs a second measurement reference voltage that is lower than the first measurement reference voltage in response to a second data line disposed next to the first data line, and a defect detection circuit which is connected to the second sense amplifier and generates a shutdown signal based on a comparison result between the input voltage received from the second sense amplifier and the reference voltage.

Abstract: An electronic device includes: a display panel and a data driver configured to output a plurality of data voltages to the display panel. The display panel includes a plurality of pixels and a plurality of data lines electrically connected to the plurality of pixels. The display panel is selectively driven in a first mode or a second mode, the plurality of data lines are configured to receive the plurality of data voltages, respectively, from the data driver in the first mode, the display panel or the data driver includes a switch part electrically connected to the plurality of data lines, and the plurality of data lines are configured to receive a predetermined voltage through the switch part in the second mode.

Abstract: A display device includes: a substrate including a display area in which a plurality of pixels are located and a non-display area in contact with the display area; an outer wiring in the non-display area on the substrate; a 1-1 substrate pad in the non-display area on the substrate and connected to the outer wiring; a first chip-on film attached to one side of the substrate and including a 1-1 output pad connected to the 1-1 substrate pad and a 1-1 input pad connected to the 1-1 output pad through a 1-1 line; and a circuit board attached to one side of the first chip-on film and including a 1-1 circuit board pad connected to the 1-1 input pad and a 1-1 test pad connected to the 1-1 circuit board pad through a 1-1 test line.

Abstract: A display apparatus includes a display panel, a printed circuit board, a first film electrically connected to the display panel and the printed circuit board, and a second film electrically connected to the display panel and the printed circuit board. The display panel includes panel pads of a first row electrically connected to the first film, panel pads of a second row electrically connected to the second film, and panel connecting lines electrically connecting the panel pads of the first row to the panel pads of the second row.

Abstract: A display apparatus includes a display panel, a printed circuit board, a first film electrically connected to the display panel and the printed circuit board, and a second film electrically connected to the display panel and the printed circuit board. The display panel includes panel pads of a first row electrically connected to the first film, panel pads of a second row electrically connected to the second film, and panel connecting lines electrically connecting the panel pads of the first row to the panel pads of the second row.

Abstract: A display device includes a display panel including an edge extending along a first direction, a main circuit board adjacent to the edge of the display panel, and a connection circuit board which connects the main circuit board to the display panel at the edge thereof. The connection circuit board includes a plurality of board side pads which are arranged along the first direction and at which the connection circuit board is connected to the main circuit board. Each of the plurality of board side pads includes a first pad, and a second pad adjacent to the first pad along the first direction. The second pad includes a plurality of signal pads which are arranged along a second direction which crosses the first direction and are each aligned with the first pad along the first direction.

Abstract: A display device includes: a display panel in which pixels are arranged; a first circuit board configured to provide a first driving signal to the display panel; and a second circuit board connecting the display panel and the first circuit board and having a first region in which a driving chip providing a second driving signal to the display panel is arranged and a second region surrounding the first region, the first region and the second region being defined in the second circuit board, wherein: the second circuit board comprises a first line electrically connected to the driving chip and a second line electrically insulated from the driving chip; the second line comprises a common line in the first region; and the width of the common line decreases as the common line becomes farther away from the first circuit board on a plane.

Abstract: A chip on film package includes a base substrate including a driving chip area including a first side and a second side facing the first side, first areas covering ends of the first side of the driving chip area and including first bent portions, and a second area covering the second side of the driving chip area, a driving chip disposed on a first surface of the base substrate in the driving chip area, output lines electrically connected to the driving chip and disposed on the first surface of the base substrate in the first areas and the second area, and an adhesive member disposed on the base substrate and overlapping an entirety of the first areas and an entirety of the driving chip area in a plan view.

Abstract: A display device includes a display panel including an edge extending along a first direction, a main circuit board adjacent to the edge of the display panel, and a connection circuit board which connects the main circuit board to the display panel at the edge thereof. The connection circuit board includes a plurality of board side pads which are arranged along the first direction and at which the connection circuit board is connected to the main circuit board. Each of the plurality of board side pads includes a first pad, and a second pad adjacent to the first pad along the first direction. The second pad includes a plurality of signal pads which are arranged along a second direction which crosses the first direction and are each aligned with the first pad along the first direction.

Abstract: A display device includes a display panel including an edge extending along a first direction, a main circuit board adjacent to the edge of the display panel, and a connection circuit board which connects the main circuit board to the display panel at the edge thereof. The connection circuit board includes a plurality of board side pads which are arranged along the first direction and at which the connection circuit board is connected to the main circuit board. Each of the plurality of board side pads includes a first pad, and a second pad adjacent to the first pad along the first direction. The second pad includes a plurality of signal pads which are arranged along a second direction which crosses the first direction and are each aligned with the first pad along the first direction.

Abstract: A display device includes a display panel, a main circuit board including a plurality of board pads arranged along a first direction, a connection circuit board electrically connected to the display panel and the main circuit board, and a driving chip disposed on the connection circuit board. The connection circuit board includes a plurality of board connection pads respectively connected to a plurality of board pads, a plurality of lines connecting the driving chip to the plurality of board connection pads to each other, and a test pattern disposed spaced part from the driving chip, where a first line and a second line among the lines are electrically connected to the test pattern, and a same voltage is applied to the first line and the second line.

Abstract: A display device includes a display panel including a pixel part to display an image, and a pad part connected to the pixel part; a first flexible circuit film coupled to the pad part and including a first alignment mark; and a second flexible circuit film coupled to the pad part, overlapping the first flexible circuit film, and including a second alignment mark aligned with the first alignment mark. The first and second alignment marks are located in an area where the first flexible circuit film overlaps the second flexible circuit film.

Abstract: A display device includes a display panel including an edge extending along a first direction, a main circuit board adjacent to the edge of the display panel, and a connection circuit board which connects the main circuit board to the display panel at the edge thereof. The connection circuit board includes a plurality of board side pads which are arranged along the first direction and at which the connection circuit board is connected to the main circuit board. Each of the plurality of board side pads includes a first pad, and a second pad adjacent to the first pad along the first direction. The second pad includes a plurality of signal pads which are arranged along a second direction which crosses the first direction and are each aligned with the first pad along the first direction.

Abstract: A display device includes: a display panel including first pads arranged along a first direction, and second pads spaced apart from the first pads; a first connection circuit board electrically connected to the first pads; and a second connection circuit board electrically connected to the second pads. The first connection circuit board includes: first output pads electrically connected to the first pads; and at least two first protrusion parts spaced along the first direction and protruding in a second direction crossing the first direction. The second connection circuit board includes: second output pads electrically connected to the second pads; and at least one second protrusion part protruding in the second direction, and located between the first protrusion parts when viewed on a plane that is parallel to a surface of the display panel.

Abstract: Provided is a display device including a display panel including a plurality of first pads, and a plurality of second pads spaced apart from the first pads, a first circuit board including first circuit pads respectively bonded to the first pads, a first driving chip electrically connected to the first circuit pads, and a first heat radiation member, and a second circuit board including second circuit pads respectively bonded to the second pads, and a second driving chip electrically connected to the second circuit pads, wherein the first heat radiation member overlaps the first driving chip and the second driving chip.

Abstract: A display device includes a display panel including an edge extending along a first direction, a main circuit board adjacent to the edge of the display panel, and a connection circuit board which connects the main circuit board to the display panel at the edge thereof. The connection circuit board includes a plurality of board side pads which are arranged along the first direction and at which the connection circuit board is connected to the main circuit board. Each of the plurality of board side pads includes a first pad, and a second pad adjacent to the first pad along the first direction. The second pad includes a plurality of signal pads which are arranged along a second direction which crosses the first direction and are each aligned with the first pad along the first direction.

Abstract: A display device includes: a display panel in which pixels are arranged; a first circuit board configured to provide a first driving signal to the display panel; and a second circuit board connecting the display panel and the first circuit board and having a first region in which a driving chip providing a second driving signal to the display panel is arranged and a second region surrounding the first region, the first region and the second region being defined in the second circuit board, wherein: the second circuit board comprises a first line electrically connected to the driving chip and a second line electrically insulated from the driving chip; the second line comprises a common line in the first region; and the width of the common line decreases as the common line becomes farther away from the first circuit board on a plane.

Abstract: A display device includes a display panel including first and second signal pads respectively disposed at one side and the other side of a center axis extending in a first direction and first and second fixing pads spaced apart from each other with the first and second signal pads interposed therebetween, and a flexible film including connection pads overlapping the signal pads and first and second alignment pads groups spaced apart from each other with the connection pads interposed therebetween. The first alignment pad group includes n first alignment pads arranged in the first direction, the second alignment pad group includes n second alignment pads corresponding to the first alignment pads, and a distance between corresponding first and second alignment pads decreases as a distance thereof from a display area decreases.