A display apparatus may include a display panel and a plurality of flexible printed circuit boards connected to the display panel. The display panel may include first regions arranged in a first direction and may include a plurality of first alignment marks, which are respectively provided on the first regions and are arranged in the first direction. Each of the flexible printed circuit boards may include a plurality of second alignment marks arranged in the first direction and overlapped with the first alignment marks, an insulating layer spaced apart from the second alignment marks in a second direction crossing the first direction, and a plurality of supplementary alignment marks spaced apart from the second alignment marks by a first distance in the second direction, the supplementary alignment marks being openings defined in the insulating layer.

A display device includes a display area including gate lines; a plurality of gate drivers disposed in a non-display area that is adjacent to the display area and connected to the gate lines; and a driving power transmitting line disposed in the non-display area and providing a driving power to the gate drivers. The driving power transmitting line includes a first driving power transmitting line and a second driving power transmitting line overlapping each other with an insulating layer disposed therebetween, the first driving power transmitting line and the second driving power transmitting line are connected with each other through a plurality of contact holes formed in the insulating layer, and the contact holes are disposed in a plurality of regions respectively overlapping the gate drivers in a direction parallel to an extending direction of the gate lines.

A curved display module and a curved display device. The curved display module can be bent along a long-side direction, and comprises a display panel (1), a backlight module (2), a front frame (3), a back plate (4), an XPCB (6), and an FPC (5); the FPC (5) is provided at a first long-side edge of the display panel (1) and is configured to connect the binding region of the first long-side edge of the display panel (1) to the XPCB (6); the first long-side edge of the back plate (4) is in the shape of staircase, and comprises a back surface (41), a slope surface (42), and a step surface (43) that are sequentially connected from the direction distant from the first long-side edge to the direction close to the first long-side edge.

The disclosure is related to a flexible printed circuit board. The flexible printed circuit board comprises a connecting area and a plurality of gold fingers disposed inside the connecting area, wherein the distances of the gold fingers are different. The disclosure is further related to a liquid crystal display. By the above manner, the disclosure is able to change the distances between the adjacent gold fingers to increase the number of the gold fingers without changing the size of the flexible printed circuit board so as to solve the impedance matching problem of the gold fingers of the flexible printed circuit board, and in the meanwhile to increase the assembling yield rate of the flexible printed circuit board.

A driving chip and a display panel are provided. The display panel includes the driving chip, and a plurality of first bonding pads and a plurality of second bonding pads disposed at two opposite sides out of the driving chip. The driving chip includes a group of first input leads and a group of second input leads. There is an interval between the group of first input leads and the group of second input leads. The group of first input leads is disposed near the first bonding pads, and the group of second input leads is disposed near the second bonding pads.

A display device includes: a display panel including panel terminals; and a wiring substrate including first substrate terminals coupled to the panel terminals. The panel terminals include panel terminals arranged in a first region and panel terminals arranged in second regions sandwiching the first region. The first substrate terminals include first substrate terminals arranged in a third region and first substrate terminals arranged in fourth regions sandwiching the third region. A gap between panel terminals is substantially constant in the first and second regions. A first width of the panel terminals in the first region is different from a second width of the panel terminals in the second regions. A width of the first substrate terminals is substantially constant in the third and fourth regions. A first gap between first substrate terminals in the third region is different from a second gap between first substrate terminals in the fourth regions.

A rollable display device includes a rollable structure including a plurality of unit structures, the rollable structure being configured to be rolled and unrolled based on the unit structures, and a display panel structure attached to the rollable structure, wherein respective widths of the unit structures increase in a first direction from a first side of the rollable structure to an opposite second side of the rollable structure.

An array substrate and a display device are disclosed. The array substrate includes a display region and a non-display region, and further includes a base substrate, multiple extension wires, a bonding member, and a flexible circuit board. The extension wires are arranged on a front side of the base substrate and in the non-display region. The bonding member includes a plurality of bonding pins, which are disposed in the non-display region. The flexible circuit board is arranged on a back side of the base substrate. Multiple first through holes are defined in the flexible circuit board. A first conductive layer is disposed in each first through hole. One end of each extension wire adjacent to the respective first through hole is electrically connected to one end of the flexible circuit board through the first conductive layer. The other end of the flexible circuit board is connected to the bonding pins.

A display panel and a fabricating method thereof are provided. The display panel is provided with a bending region and a non-bending region. The display panel has a flexible substrate, a first line layer, an insulating layer, and a second line layer, which are layer-stacked. The first line layer has first lines. The insulating layer corresponding to each of the first lines is provided with at least two through holes penetrating the insulating layer. The through holes are defined at two ends of the bending region adjacent to the non-bending region. The second line layer has second lines. The second lines are aligned with the first lines in a one-to-one manner. The second lines extend and penetrate the through holes to electrically connect to the first lines. The fabricating method has steps: providing a flexible substrate, fabricating a first line layer, an insulating layer, a second line layer.

A printed circuit board and a display device are provided. A second wiring layer of the PCB includes a trace group, a system ground and an output pin group that includes power supply pins and a reference ground pin. One end of the power trace of the trace group is connected to one power supply pin, and another end of the power trace extends toward the system ground line. The insulating layer has a via hole corresponding to an overlapping portion of the power trace and the positive power supply signal line. The reference ground trace is disposed between the two power traces. The reference ground trace is between the reference ground pin and the system ground line. Voltage on the reference ground pin is stable to provide a stable power supply voltage. The ripple of the power supply voltage is reduced. The electromagnetic interference resistance is strong.