46results about How to "Increase pixel density" patented technology

The invention relates to a display panel and a display device. The display panel comprises a pixel layer and a shading layer. The pixel layer comprises a plurality of pixel units, each pixel unit comprises a plurality of sub-pixels of different colors, and each sub-pixel comprises a peep-proof sub-pixel and a sharing sub-pixel. The light shielding layer is located on the light emitting side of the pixel layer and comprises light shielding units, the light shielding units are at least located on the two opposite sides of the peep-proof sub-pixel, and the distances between the light shielding units located between the peep-proof sub-pixel and the sharing sub-pixel and the peep-proof sub-pixel and the sharing sub-pixel are the first distance and the second distance respectively, the second distance is greater than the first distance. The pixel density can be effectively improved, and then the display effect is improved.

The invention provides a display panel and a display device. The display panel comprises an array substrate; the first electrode layer comprises a plurality of first anodes; the isolation structure is provided with a plurality of pixel openings exposing the first anodes; every two adjacent pixel openings are formed, a first light-emitting layer, a cathode electrode, a second light-emitting layer and a second anode are arranged in one pixel opening in a stacked mode, and a first light-emitting layer, a cathode electrode, a third light-emitting layer and a second anode are arranged in the other pixel opening in a stacked mode. The second light-emitting layer and the third light-emitting layer are arranged on the same layer. A cathode connecting layer and an anode connecting layer are further arranged in the isolation structure, and the first electrode layer further comprises an auxiliary anode; the cathode connecting layer and the cathode electrode are in the same layer and are electrically connected; the anode connecting layers are on the same layer as the second anodes and are electrically connected with the corresponding second anodes; the cathode connecting layer is provided with a hollow part, and the anode connecting layer is electrically connected with the corresponding auxiliary anode through a conductive part penetrating through the hollow part. The service life of the display panel can be prolonged.

The invention provides a display module and electronic equipment, the display module comprises a first display screen and a second display screen, the directions from light emitting sides to backlight sides of the first display screen and the second display screen are the same, and the second display screen is located on the backlight side of the first display screen; the first display screen comprises a light-transmitting part and a first display part, and the projection of the second display screen in the thickness direction of the display module covers the light-transmitting part; the pixel density of the first display screen is smaller than that of the second display screen. The display module is formed by splicing the first display screen and the second display screen, so that the total area of the display module is large, and the requirement of a large field angle can be met. In addition, the area of the second display screen can be set to be small, so that the material cost of the second display screen can be reduced, the product yield is improved, and the cost of the display module and the electronic equipment is reduced. Therefore, according to the display module and the electronic equipment provided by the invention, the cost of the display module and the electronic equipment is relatively low.

The invention discloses a display module, a driving method thereof and a display device, the display module comprises a driving chip, a plurality of first signal lines and a plurality of sub-pixels, the first signal lines are electrically connected with the driving chip, and the plurality of first signal lines are mutually insulated; the sub-pixel comprises a pixel circuit and a light-emitting element, the pixel circuit comprises a first switch unit, the first end of the first switch unit is electrically connected with the first end of the light-emitting element, and the second end of the first switch unit is electrically connected with the first signal line; the working process of at least part of the pixel circuits comprises a display driving stage and a detection stage; in a display driving stage, the driving chip is used for resetting the first end of the light-emitting element through the first signal line and the first switch unit; in the detection stage, the driving chip is used for detecting a voltage signal of the first end of the light-emitting element through the first signal line and the first switch unit. According to the technical scheme, the temperature of the light-emitting element can be accurately detected, the structure is simple, and the cost is low.

The embodiment of the invention provides a display device and a control method, a plurality of pixel driving circuits are arranged on a display panel of the display device, a fourth transistor in each pixel driving circuit is removed, and the capability of providing a second power supply signal for a first capacitor is replaced by a conduction loop composed of a seventh transistor and a third transistor. The first capacitor can still be reset by using the second power supply signal in the pixel driving circuit, and when the first capacitor provides driving data after threshold voltage compensation for the first transistor, only the leakage current of the third transistor affects data stored in the first capacitor, so that the leakage path is reduced, and the reliability of the pixel driving circuit is improved. The influence of the leakage current on the data stored in the first capacitor is reduced, and the stability of the driving current in the driving signal generated by the first transistor based on the data stored in the first capacitor is improved.

The invention provides a pixel arrangement structure, a virtual pixel arrangement structure, a display panel and a control method. The pixel arrangement structure comprises a first pixel array and a second pixel array, each of the first pixel array and the second pixel array is formed by sequentially and circularly arranging a plurality of pixel groups, and each pixel group is formed by arranging sub-pixels containing three primary colors. The pixel groups of the first pixel array and the pixel groups of the second pixel array have the same arrangement mode of sub-pixels; the sub-pixels of the first pixel array and at least one same-color sub-pixel of the second pixel array are arranged adjacently. According to the pixel arrangement structure, through the first pixel array and the second pixel array in which the sub-pixels are alternately arranged, light-emitting imaging display of each pixel point in the two paths of images is realized in a physical separation mode, so that the imaging effect of image signals such as 2D videos or pictures can be improved; and meanwhile, left-eye and right-eye image imaging control of image signals such as 3D videos or pictures can be realized.

The invention discloses a light-emitting structure, a display panel and a preparation method of the display panel. The light-emitting structure comprises at least two light-emitting units which are vertically stacked, and the light-emitting colors of the at least two light-emitting units are different; the light-emitting unit comprises a light-emitting part and an electrode leading-out part on one side of the light-emitting part, the electrode leading-out part is provided with a first electrode and a second electrode, and the first electrode and the second electrode are arranged on the two opposite sides of the electrode leading-out part in the vertical stacking direction of the light-emitting unit; and the orthographic projection of the electrode lead-out part of any light-emitting unit and the orthographic projection of other light-emitting units in the vertical stacking direction of the light-emitting units are not overlapped. According to the technical scheme of the embodiment of the invention, the pixel aperture opening ratio of the light-emitting structure can be improved, and the photoetching process difficulty in the preparation process is reduced.

The utility model provides a multi-pixel optical module and a vehicle-mounted signal lamp, and relates to the technical field of vehicle-mounted signal lamps. The multi-pixel optical module comprises a substrate, at least two light source assemblies are arranged on the substrate at intervals, a light emitting component is arranged on the side, away from the substrate, of each light source assembly, the surface, away from the light source assemblies, of each light emitting component is a light emitting face, and the light emitting components are used for guiding out light beams emitted by the light source assemblies from the light emitting faces; the first light isolation part is arranged around the side faces of the at least two light emitting parts. According to the multi-pixel optical module, the required structure can be manufactured on the substrate step by step by adopting a dispensing process, so that the space of the multi-pixel optical module can be reduced, and the assembly process can be simplified. On the premise of ensuring uniform pixel luminescence, the minimum thickness can be 3mm, the minimum pixel center distance can be 2mm-4mm, the pixel density is high, the display resolution can be improved, the static appearance effect is good, and the cost is relatively low.

Embodiments of the present application provide a display panel and a display device; the display panel is configured to electrically connect a first electrode of a detection transistor and a first electrode of a switching transistor to a same data line, electrically connect a second electrode of the detection transistor and a first electrode of a driving transistor to a second node, multiplex the data line as a detection signal line, thereby reducing signal lines in the display panel, reducing a frame of the display panel, and increasing a pixel density of the display panel; and the pixel compensation circuit further includes a voltage stabilizing module electrically connected between the first node and a second electrode of the driving transistor, and configured to connect the first node and a high potential power line when the display panel is configured as a threshold voltage detection stage, so that the voltage stabilizing module can stabilize a voltage of the first node, and the detection result of the threshold voltage is more accurate.

The invention relates to an array substrate and a preparation method thereof, a display panel and a display device.The array substrate comprises a substrate and an array layer, the array layer comprises a composite transistor, and the composite transistor comprises a first function part, a second function part and a control end; the first function part is arranged on the substrate, and the second function part is arranged on the side, away from the substrate, of the first function part; wherein the first function part comprises a first electrode part, a first active layer and a first insulating layer located between the first active layer and the control end, and the second function part comprises a second electrode part, a second active layer and a second insulating layer located between the second active layer and the control end. The first electrode portion is connected with the first active layer and the second electrode portion is connected with the second active layer, and one of the first insulating layer and the second insulating layer includes a storage layer configured to store a charge. According to the scheme, the layout area occupied by the transistor with the storage function can be reduced, the display pixel density is improved, and the influence on the display performance is reduced.

The present invention belongs to the technical field of LED display chips, and discloses a Micro LED display chip and a preparation method thereof. The present invention processes an MQW layer of an epitaxial wafer by ultrafast pulse laser, so that an EBL layer and a P-GaN layer that can be free of ICP etching are prepared by subsequent deposition processing, so that the preparation method of constructing a vertically distributed LED display chip is greatly simplified. At the same time, a larger current density can be achieved through a cathode shallow groove network and a deep through-hole design, and optical crosstalk can be effectively prevented.

The embodiment of the invention provides a display panel and a display device, the display panel comprises an array substrate, and the array substrate comprises a substrate; the array substrate comprises a first type of transistor and a second type of transistor, the first type of transistor comprises a first active layer, the second type of transistor comprises a second active layer, and the second active layer is located on the side, away from the substrate, of the first active layer; wherein the first active layer and the second active layer are both oxide semiconductor active layers. By adopting the technical method provided by the embodiment of the invention, the positions of the first active layer and the second active layer are adjusted, so that the position relationship between the first type of transistors and the second type of transistors in the array substrate is adjusted, and the total occupied space of the transistors in the array substrate can be reduced; the display panel with higher pixel density can be realized by saving space, so that the overall display effect of the display panel is improved.

The utility model discloses a micro display device with a metal fence, and relates to the technical field of semiconductors. The micro-display device comprises a driving wafer, wherein the driving wafer comprises an anode contact; the display module is integrated with the driving wafer through a bonding metal layer, the display module comprises a pixel unit corresponding to the anode contact and a metal fence surrounding the pixel unit, and the metal fence is of a fence type structure generated in the process of etching the bonding metal layer through ion beams; wherein the metal fence forms a cylindrical optical resonant cavity for the pixel unit, and the optical resonant cavity is used for reflecting light waves emitted by the pixel unit back and forth in the optical resonant cavity so as to provide optical positive feedback. According to the structure disclosed by the invention, the elimination process of a metal fence is canceled, and the technological process is greatly simplified.

The invention discloses the field of Micro-LED display, and particularly relates to an inverted three-color Micro-LED and a preparation method thereof.The inverted three-color Micro-LED comprises a first epitaxial wafer, and a first table top is etched on the first epitaxial wafer; a second epitaxial wafer is arranged on the first epitaxial wafer, a second table top is formed on the second epitaxial wafer through etching, and a first through hole extending in the axial direction of the second table top is further formed in the second epitaxial wafer; a first epitaxial wafer is arranged on the first epitaxial wafer, a second epitaxial wafer is arranged on the second epitaxial wafer, a third epitaxial wafer is arranged on the second epitaxial wafer, a third table top is etched on the third epitaxial wafer, a second through hole extending in the axial direction of the third table top is further formed in the third epitaxial wafer, and a third through hole is formed in the side, away from the third table top, of the second through hole. And only 1 / 3 or 1 / 4 space of a traditional mode is occupied, so that the size and the thickness of the display equipment are greatly reduced, and the space utilization rate is improved.

The application provides a preparation method of a mixed photoresist and a metal electrode, and relates to the technical field of light emission. The raw material of the mixed photoresist comprises a negative photoresist and a light-absorbing photoresist, and the volume ratio of the two is (2.5-3.5):1. The preparation method of the metal electrode comprises the following steps: using the negative photoresist to perform first coating on a surface with a set structure, so as to obtain a first photoresist layer; continuing to use the mixed photoresist to perform second coating, so as to obtain a second photoresist layer; exposing the double-layer photoresist layer, so as to obtain a double-layer photoresist layer with a set pattern; arranging a metal layer on the second photoresist layer with the set pattern; and stripping the double-layer photoresist layer under the metal layer, so as to obtain the metal electrode.

This application discloses an array substrate, a display panel, and a display device. The pixel circuit includes a driving module, a light-emitting control module, a threshold compensation module, and a reset module: the driving module has a first terminal electrically connected to a first signal line, which provides a first power supply voltage and a data voltage in a time-division multiplexing manner; the light-emitting control module has a first terminal electrically connected to a second terminal of the driving module, a second terminal connected to a first electrode of a light-emitting element, a control terminal electrically connected to a light-emitting control signal line, and a second electrode of the light-emitting element electrically connected to a second signal line; the reset module has a first terminal electrically connected to a reset signal line, a second terminal electrically connected to a second terminal of the light-emitting control module, and a first control terminal electrically connected to a first scan line; the threshold compensation module has a first terminal electrically connected to a second terminal of the light-emitting control module, a second terminal electrically connected to the control terminal of the driving module, and a first control terminal electrically connected to a second scan line. Embodiments of this application can improve the performance of display products.

The invention provides a display substrate, a manufacturing method thereof and a display device, and belongs to the technical field of display. The display substrate includes: a substrate; the source electrode is located on the substrate and extends in the first direction; the semiconductor layer is positioned on one side of the source far away from the substrate; the gate insulating layer is positioned on one side of the semiconductor layer away from the substrate; the grid electrode is located on the side, away from the substrate, of the grid insulating layer and extends in the second direction, and the first direction intersects with the second direction; wherein the semiconductor layer comprises a conductive first part and a non-conductive second part, the first part serves as a drain electrode, the orthographic projection of the second part on the substrate is overlapped with the orthographic projection of the source electrode on the substrate, and the orthographic projection of the second part on the substrate is located in the orthographic projection of the grid electrode on the substrate; the orthographic projection of the first part on the substrate is not overlapped with the orthographic projection of the gate on the substrate. The pixel density of the display substrate can be improved.

The invention discloses a Micro-LED (Light Emitting Diode) block, a preparation method thereof and a display device, the Micro-LED block comprises a substrate and a plurality of Micro-LED units arranged on the substrate at intervals, the plurality of Micro-LED units distributed at intervals have thickness difference, and the thickness difference between different Micro-LED units is 5-200 nm. According to the invention, the transfer efficiency and luminous efficiency of the Micro-LED can be improved.

The present disclosure discloses a display panel; the display panel includes a plurality of light-emitting repeating units, each of the light-emitting repeating units comprises: a plurality of first sub-pixels disposed close to a center point of a dummy rectangle; a plurality of second sub-pixels disposed close to vertices of the dummy rectangle; and a plurality of third sub-pixels disposed between the first sub-pixels and the second sub-pixels which are adjacent to each other, wherein a first light-emitting layer of the first sub-pixels overlaps with at least two of first electrodes of the first sub-pixels.

The present application provides a special-shaped display panel and a display device, which relate to the field of display technology; the special-shaped display panel includes a special-shaped display area and a conventional display area, and the special-shaped display area at least partially surrounds the conventional display area; the special-shaped display area includes a special-shaped edge and a plurality of pixel units, and the pixel units include a first pixel unit and a second pixel unit, the first pixel unit is located in the special-shaped display area, and the second pixel unit is located in the conventional display area; the orthographic projection area of ​​the first pixel unit on the light-emitting surface of the special-shaped display panel is S1, and the orthographic projection area of ​​the second pixel unit on the light-emitting surface of the special-shaped display panel is S2, S1≤S2; along the first direction and / or the second direction, the spacing between the center points of at least partially adjacent two first pixel units is R1, and along the first direction and / or the second direction, the spacing between the center points of two adjacent second pixel units is R2, R1<R2; wherein the first direction and the second direction intersect.

The invention provides a display panel, a preparation method thereof and a display device. The display panel comprises a first buffer layer, a first device layer and a second device layer, wherein the first device layer and the second device layer are arranged in the vertical direction of the first buffer layer; the first device layer comprises at least one first transistor structure, a first signal line layer and a connecting column, the first transistor structure comprises a first electrode layer and a second electrode layer, the first signal line layer, the second electrode layer and the connecting column are arranged on the same layer, and the first signal line layer is connected with the connecting column; the second device layer comprises at least one second transistor structure and a third signal line layer, the second transistor structure at least comprises a third electrode layer, the third electrode layer and the third signal line layer are arranged on the same layer, and the first device layer is provided with a through first via hole corresponding to the vertical direction of the connecting column. The third signal line layer is connected with the connecting columns through the first via holes. A transistor structure and a signal line of a circuit are arranged in a laminated mode, the wiring flexibility is improved, and meanwhile the manufacturing process is simplified.

The invention discloses a pixel circuit and a driving method thereof, an array substrate and a display panel. The pixel circuit comprises a driving module, wherein the first end of the driving module is connected with a first power line; wherein in each driving period, the voltages of the first power supply signal on the first power line are different in at least two driving stages; the threshold value compensation module is connected between the second end of the driving module and the control end of the driving module, and the threshold value compensation module is used for performing resetting and threshold value compensation on the driving module in a time-sharing manner; the first power supply signal comprises a second reset voltage and a first power supply voltage; the first power line is used for transmitting the second reset voltage and the first power voltage to the first end of the driving module in a time-sharing manner. According to the technical scheme, the use performance of the display panel is improved.

The invention provides a display panel and a display device. The display panel comprises a substrate, a first metal layer and a second metal layer which are sequentially laminated. The first metal layer comprises a first wire and a second wire, the second metal layer comprises a third wire and a fourth wire, the orthographic projection of the first wire on the substrate is at least partially overlapped with the orthographic projection of the third wire on the substrate, and the orthographic projection of the second wire on the substrate is at least partially overlapped with the orthographic projection of the fourth wire on the substrate; the two adjacent driving units in the same column are electrically connected with the wires in the different metal layers, so that the RC loads of the two adjacent columns of driving units are the same while the pixel density of the display panel is improved, and the problem of uneven display of the display panel is solved.

The invention provides an array substrate, a display panel and a display device. The array substrate comprises a substrate; the plurality of sub-pixel groups are arranged on the substrate along a first direction, each sub-pixel group comprises a plurality of sub-pixels arranged along a second direction, each sub-pixel comprises a pixel driving circuit, and each pixel driving circuit comprises a driving module and a power supply signal line; the first direction intersects with the second direction; the driving module is connected between the power supply signal line and the light-emitting device and is used for controlling the light-emitting device to emit light according to a control signal of a self control end in a light-emitting stage; the power signal lines extend in the second direction, and in the first direction, every two adjacent sub-pixel groups share one power signal line. According to the array substrate provided by the invention, the two adjacent sub-pixel groups share one power supply signal line, so that the pixel size can be effectively reduced, the design space is saved, the pixel density is improved, and the display performance is improved.

The invention relates to a quantum dot color film, a display panel and a manufacturing method of the quantum dot color film, and the quantum dot color film comprises a light guide film layer which comprises a first light emitting part and a second light emitting part; the second light emitting part comprises a light guide part obliquely connected with the first light emitting part and a light transmission sub-part connected with the light guide part, the light transmission sub-part is flush with the first light emitting part, and a gap is formed between the light transmission sub-part and the first light emitting part; the quantum dot layer is formed on the surfaces of the light transmission sub-part and the first light emitting part; the barrier layer covers the surface of the quantum dot layer; and the black matrix is formed in the gap, and the black matrix covers the periphery of the quantum dot layer.

The invention belongs to the technical field of display, and particularly relates to a display panel and a display module. The display panel comprises a substrate and a plurality of pixel units arranged on the substrate, each pixel unit comprises a light-emitting unit, a control electrode and a plurality of color resistance layers made of electrochromic materials, each color resistance layer has a transparent state and a color state, the light-emitting units are used for projecting light to the color resistance layers, and the control electrodes are used for controlling the light-emitting units to emit light to the color resistance layers. The control electrodes apply electric fields to the two ends of the color resistance layers so as to control the color resistance layers to be in a transparent state or a colored state, at least two color resistance layers are stacked in the preset direction, and the preset direction is perpendicular to the substrate. The color resistance layers can be stacked in the preset direction, so that the occupied area of the multiple color resistance layers is reduced, more pixel units can be arranged on a certain area, and then the pixel density of the display module is improved.

The utility model relates to the technical field of integrated circuit boards, in particular to an integrated circuit board structure of a COB packaging micro pixel multiplexing technology, which comprises a substrate, a packaging mechanism is arranged on the upper surface of the substrate, a heat dissipation mechanism is arranged in the substrate, connecting plates are fixed on the left side and the right side of the substrate, mounting holes are formed in the upper surfaces of the connecting plates, and the mounting holes are communicated with the packaging mechanism. A mounting sleeve is sleeved with the mounting hole, the packaging mechanism comprises a circuit assembly and a sealing assembly, and the circuit assembly comprises a mounting groove formed in the upper surface of the substrate. According to the integrated circuit board structure of the COB packaging micro pixel multiplexing technology, the circuit board body is matched with the micro pixels, the chip packaging size can be further reduced, the pixel density of a display device can be further improved, the integrated circuit board structure is applied to the display field, and a finer and high-definition display effect can be achieved; and the requirements of products with light and thin sizes and high integration level, such as mobile equipment such as smart phones and tablet personal computers, can also be met.

The embodiment of the present invention discloses an LED driving circuit, comprising: a signal receiving module, the signal receiving module is used to receive a row driving signal, a first column driving signal and a second column driving signal; a signal holding module, the signal holding module is used to hold the first column driving signal according to the row driving signal; an adjustment module, the adjustment module is connected to an LED chip, the adjustment module is used to receive an adjustment signal, and drive the LED chip to emit light according to the first column driving signal, the second column driving signal and the adjustment signal. The LED driving circuit provided by the embodiment of the present invention can simultaneously realize the driving of a Micro-LED display screen with high pixel density and large area, and can also realize low power consumption and high efficiency driving, so that the Micro-LED display module has better brightness uniformity and contrast.

The present invention discloses an LED display panel and a manufacturing method thereof, and an LED display screen, wherein the LED display panel includes a substrate, a chipset of the substrate includes a first chip, a second chip, and a third chip arranged in sequence along a first direction, the first chip is connected to the substrate, at least the second chip and the third chip are arranged obliquely, the second chip and the first chip partially overlap, one end of the second chip is connected to a side of the first chip away from the substrate, the other end of the second chip is connected to the substrate, the third chip partially overlaps the second chip, one end of the third chip is connected to a side of the second chip away from the first chip, and the other end of the third chip is connected to the substrate. The first chip, the second chip, and the third chip are partially overlapped, so that the pixel density of the LED display panel can be improved, and the second chip and the third chip are arranged obliquely, so that the LED display panel can emit light obliquely, and the LED display panel can be applied to an LED display screen arranged at a high place.

The invention discloses an LED micro-display module and a manufacturing method thereof. A glass substrate, a first SOG glass layer, a blue light chip embedding layer, a second SOG glass layer, a green light chip embedding layer, a third SOG glass layer and a red light chip embedding layer of the LED micro-display module are sequentially arranged from bottom to top; the blue light chip array, the green light chip array and the red light chip array are embedded in the blue light chip embedding layer, the green light chip embedding layer and the red light chip embedding layer respectively, the blue light chip array, the green light chip array and the red light chip array are all composed of N rows and M columns of corresponding chips, and the three kinds of chips are overlapped in the vertical direction; n electrodes of the three chips respectively extend to the upper surface of the LED micro display module through corresponding N electrode metal columns; the P electrodes of the three chips are all connected to the P electrode metal column and extend to the upper surface of the LED micro display module through the P electrode metal column. According to the invention, each pixel point is directly manufactured through a chip process, a huge transfer process is avoided, and the pixel density can be improved through a mode of stacking red, green and blue chips.