8results about How to "Reduce border width" patented technology

This application discloses a display panel and a display device. The display panel includes: a light-emitting element; a pixel circuit and a driving circuit, wherein the driving circuit provides control signals to the pixel circuit, and the pixel circuit is electrically connected to the light-emitting element; the display panel includes a first region and a second region, the pixel circuit includes a first pixel circuit located in the first region and a second pixel circuit located in the second region, the length of the first pixel circuit in a first direction is less than the length of the second pixel circuit in the first direction; the driving circuit includes a first driving circuit, the first driving circuit including a plurality of first shift registers cascaded along a second direction, the first direction and the second direction intersect; wherein, in the second direction, the first shift registers at least partially overlap with the light-emitting element. The technical solution of this application can reduce the bezel width of the display panel in the first direction, or even enable the display panel to achieve a bezel-less design in the first direction.

The application discloses a driving circuit and a display panel. The driving circuit comprises a plurality of driving cables, a driving unit and a delay circuit. The driving unit comprises an output signal end for outputting a driving signal. The delay circuit comprises a first input end, a first output end and a second output end. The output signal end is connected with the first input end. The first output end is used for outputting a first clock signal. The second output end is used for outputting a second clock signal later than the first clock signal. In two adjacent driving cables, one driving cable is connected with the first output end, and the other driving cable is connected with the second output end. The driving circuit provided by the application adds the delay circuit between the driving unit and the driving cable, so that the driving unit can control two rows of pixels through the delay circuit, thereby reducing the number of the driving units and the line area of the driving units in the display panel, and the frame width of the display panel is reduced.

Electroluminescent display devices and methods of manufacturing electroluminescent display devices. An electroluminescent display device includes a display panel having a display area and a non-display area. A planarization layer is positioned over the non-display area. A bank layer is positioned on the planarization layer. An organic layer and a cathode are positioned on the bank layer. A trench pattern extends through the cathode and the organic layer. An adhesive layer and an encapsulation substrate are positioned over the cathode. The adhesive layer covers the trench pattern. The adhesive layer can be effective to slow the rate of moisture penetration to the side surface of the non-display area, allowing for improved reliability and reduced bezel width.

The invention discloses a display panel and a display device. The display panel includes: a light emitting element; a pixel circuit and a driving circuit, the driving circuit provides a control signal for the pixel circuit, and the pixel circuit is electrically connected with the light-emitting element; the display panel comprises a first area and a second area, the pixel circuit comprises a first pixel circuit located in the first area and a second pixel circuit located in the second area, and the length of the first pixel circuit in the first direction is smaller than that of the second pixel circuit in the first direction; the driving circuit comprises a first driving circuit, the first driving circuit comprises a plurality of first shift registers cascaded along a second direction, and the first direction and the second direction intersect; wherein in the second direction, the first shift register and the light-emitting element are at least partially overlapped. According to the technical scheme, the frame width of the display panel in the first direction can be reduced, and even the frameless design of the display panel in the first direction can be achieved.

The application provides a display panel and a gate drive circuit thereof. By setting the first drive unit and the second drive unit to share a clock control signal, the same gate drive module can output a second display drive signal and a fourth display drive signal with a phase difference, realizing the alternation of a display picture and a black insertion picture, and reducing the space occupancy of the gate drive circuit on the display panel. By respectively receiving a first control signal and a second control signal which are complementary, the first drive unit and the second drive unit can make the effective level of the second display drive signal and the fourth display drive signal in different time periods, thereby realizing seamless switching between normal picture display and black insertion display and improving dynamic display quality. The effective level of the current target level transmission signal in a frame period does not have a blanking period, and the effective level between the clock control signals does not have a blanking period, which can make the transmission of the second display drive signal and the fourth display drive signal continuous.

The application discloses a liquid crystal display device and a display driving method thereof. The liquid crystal display device comprises a liquid crystal display panel, a plurality of arrayed pixel structures arranged in the display area, a plurality of memory modules corresponding to the pixel structures, a control circuit arranged in the non-display area, and the like. In the display driving process of the current frame, the control circuit obtains the identification information of the pixel structure in the previous frame from the memory module, performs overdrive compensation on the initial data signal of the pixel structure in the current frame based on the identification information and the initial data signal, and controls the pixel structure to display images based on the data signal after the overdrive compensation. The identification information can represent the data signal of the pixel structure after the overdrive compensation in the related frame. The overdrive display control can be realized, and the width of the frame area can be reduced.

A display panel and a display device, the display panel includes a circuit substrate, a plurality of light emitting elements, a side edge circuit and a thin film flip chip packaging structure. The circuit substrate includes a circuit structure on a first surface. The side edge circuit includes a first bonding portion, a first extending portion, a second extending portion and a second bonding portion. The first bonding portion is disposed on the first surface of the circuit substrate and bonded to the circuit structure. The first extending portion is disposed on a side surface of the circuit substrate. The second extending portion is disposed on a second surface of the circuit substrate and overlaps a peripheral region. The second bonding portion is disposed on the second surface of the circuit substrate and its orthographic projection overlaps a display region. The first bonding portion, the first extending portion, the second extending portion and the second bonding portion are connected in sequence and have the same resistivity. The thin film flip chip packaging structure is bonded to the second bonding portion.

The invention provides a display device and a driving method thereof. The display device comprises a display panel, a time schedule controller and a source electrode driving chip, the display panel comprises a display area and a non-display area, the display area is divided into a second sub-display area, a first sub-display area, a fourth sub-display area and a third sub-display area in the row direction, the non-display area is provided with first to fourth gate driving circuits, and the first to fourth gate driving circuits are connected with the first to third gate driving circuits. The four gate drive circuits respectively drive the four sub-display areas. Each gate driving circuit comprises N levels of gate driving units, each gate driving unit comprises a first control signal input end and a second control signal input end, and the gate driving units are controlled to output gate driving signals of different levels in driving periods of different frames of pictures. And dividing the sub-display area into at least two areas with different refresh rates along the column direction. Partition driving of the display panel in the row direction and the column direction is achieved, and power consumption of the display panel is reduced.