A display device includes a substrate including a display area and a non-display area disposed around the display area; a fan-out unit disposed in the non-display area and including a first pad unit and a first fan-out line electrically connected to the first pad unit; a first signal line disposed on a different layer from the first fan-out line and including a first area overlapping the first fan-out line; a first switching element disposed on the display area and electrically connected to the first signal line and a first pixel electrode; and a color filter overlapping the first area.

According to an exemplary embodiment, a display device includes: a plurality of gate lines; a plurality of data lines; and a plurality of pixels connected to the gate lines and the data lines, wherein each of the pixels includes: a transistor configured to include a gate electrode, a first electrode, a second electrode, and a channel semiconductor; a pixel electrode connected to the second electrode and including a plurality of fine branch portions and a connector connected to the second electrode; and a target pattern overlapping a fine slit dispose between adjacent fine branch portions. At least one of the adjacent fine branch portions is directly connected to the connector.

The liquid crystal display device includes: a control circuit (5) configured to perform input correction for a plurality of pixels (i1 to i12, j1 to j12, and k1 to k12) in each one of blocks (Bi1, Bj1, and Bk1) of a display unit (2), the input correction performed separately for each local area; a first source driver (4a) electrically connected to an end of each one of data signal lines (S1 to S24) that correspond to the pixels; and a second source driver (4b) electrically connected to another end of each data signal line (S1 to S24), wherein the first and second source drivers (4a and 4b) drive the data signal lines (S1 to S24) based on the input correction.

An array board 11b includes a display section AA, a source line 20 connected to the display section AA, a test circuit 40 connected to the source line 20 and configured to test the display section AA, a panel-side image input terminal that is disposed such that the test circuit 40 is between the terminal and the display section AA and to which a signal to be supplied to the source line 20 is input, a terminal connection line 51 connecting the source line 20 to the pane-side image input terminal 35A and the terminal connection line 51 including the terminal connection line 51 at least a part of which overlaps the test circuit 40 and a flattening film (insulation film) 28 at least disposed between an overlapping portion of the test circuit 40 and the terminal connection line 51.

A thin film transistor liquid crystal display (TFT-LCD) array substrate is provided, including a base substrate; a first transparent conductive film formed on the base substrate; for each pixel unit of the array substrate the first transparent conductive film comprises at least a first part and a second part that do not contact with each other, and the first part is located under an area of the data line, without contacting the gate line and the common electrode line. When a data line in the array substrate has an open failure, this part of the transparent conductive film can be welded together with the data line using laser welding so as to repair the data line.

An electronic device includes a conductive structure, a first insulation layer and a second insulation layer. The first insulation layer is disposed on the conductive structure. The second insulation layer is disposed on the first insulation layer. The first insulation layer includes a first hole, and the first hole overlaps a part of the conductive structure. The second insulation layer includes a second hole, and the first hole and the second hole at least partially overlap. A width of the second hole is less than a width of the first hole.

An example display apparatus includes: a display panel having a display region and a non-display region located at peripheries of the display region; a signal line provided in the display panel to transmit an image signal; a spare wiring routed to an outside of the display panel and the non-display region of the display panel, and connected to the signal line; a plurality of connection terminals; and an amplifier which have an input side connected to a first connection terminal and an output side connected to the spare wiring, and the display apparatus is configured to input a signal from the signal line to the amplifier through the first connection terminal. On the output side of the amplifier, a part of the spare wiring is connected to a second connection terminal, and is routed to the non-display region from the outside of the display panel. The part of the spare wiring is further connected a third connection terminal, and is routed to the outside of the display panel.

A display panel and a detection method thereof are provided. Wireless signals are transmitted to a gate-line wireless sensing electrode connected to gate lines and a data-line wireless sensing electrode connected to data lines that are preset at a dummy zone of the display panel (1, 1′), respectively, through wireless signal transmitting electrodes (6) connected to a transmitter, so as to generate a gate-line detection signal and a data-line detections signal, thereby realizing detection of the display panel. The gate-line wireless sensing electrode and the data-line wireless sensing electrode are formed at the dummy zone on the array substrate (1, 1′) in the technological process of producing the gate lines and the data lines of the array substrate of the display panel, respectively. Therefore, poorness of a display can be detected without cutting of a display panel (1, 1′), poorness is detected early, and repair is made timely. Thus, the issue that a defective product flows to a subsequent process and a waste of cost results from it is avoided.

An object is to provide a display device that performs accurate display. A circuit is formed using a transistor that includes an oxide semiconductor and has a low off-state current. A precharge circuit or an inspection circuit is formed in addition to a pixel circuit. The off-state current is low because the oxide semiconductor is used. Thus, it is not likely that a signal or voltage is leaked in the precharge circuit or the inspection circuit to cause defective display. As a result, a display device that performs accurate display can be provided.

A display device according to the present invention is provided with: a display panel that has a display area and a non-display area; a plurality of signal lines that are provided on the display panel; a spare wire (40) that extends to the non-display area and the outside of the display panel and that should be connected to the signal lines; a plurality of connection terminals that are provided on the display panel; and amplifiers (7) that are connected, at input sides thereof, to first connection terminals (21), that should be connected, at output sides thereof, to the spare wire (40), and that are located outside the display panel. The display device is characterized in that: the spare wire (40) has divided first spare-wire sections (411 and 421) and a second spare-wire section; and the display device is provided with a connection section (4) that is connected to ends of the first spare-wire sections (411 and 421) and that should be connected to other signal lines; first connecting lines (61) that are connected to the output sides of the amplifiers (7), that extend from the outside of the display panel to the non-display area, and that are connected to second connection terminals (22); and second connecting lines (62) that should connect fourth connection terminals (24) to the second connection terminals (22) or third connection terminals (23).