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130results about How to "Increase opening ratio" patented technology

Display panel, manufacturing method thereof and display device

PendingCN119654009ARealize dynamic anti-peepingreduce viewing angleDisplay deviceMechanical engineering
The invention relates to a display panel, a manufacturing method thereof and a display device. The display panel comprises a substrate, peep-proof pixel units, display pixel units and a first shading structure. Each peep-proof pixel unit comprises a peep-proof sub-pixel arranged on one side of the substrate; the peep-proof pixel units are configured to be displayed in a first state; the display pixel unit comprises display sub-pixels arranged on one side of the substrate; the orthographic projection of the display sub-pixel on the substrate is arranged around at least part of the outer contour of the orthographic projection of the corresponding peep-proof sub-pixel on the substrate; the display pixel unit is configured to display in a second state; the first shading structure is arranged on one side of the substrate, and the orthographic projection of the first shading structure on the substrate is located between the orthographic projection of the display sub-pixel on the substrate and the orthographic projection of the peep-proof sub-pixel on the substrate; the orthographic projection of the first shading structure on the substrate is arranged around at least part of the outer contour of the orthographic projection of the peep-proof sub-pixel on the substrate; therefore, the dynamic peep-proof effect of the display panel can be realized, and the display effect and the peep-proof effect of the display panel are improved.
Owner:YUNGU GUAN TECH CO LTD +1

Display panel, display driving method and display device

The invention belongs to the technical field of display driving, and particularly relates to a display panel, a display driving method and a display device.The display panel comprises N rows of scanning lines, M columns of data lines and 2N rows * 2M columns of pixel circuits; each pixel circuit comprises a pixel unit and a control unit, and when the nth row of scanning line outputs a first scanning signal, a data signal on the mth row of data line controls any one of the control units in the (2m-1) th row and the (2n-1) th row and the control units in the (2m) th row and the (2n-1) th row to be switched on or switched on alternately in a time-sharing manner; when the nth scanning line outputs a second scanning signal, the data signal on the mth data line controls any one of the (2m-1) th and 2nth control units and the 2m and 2nth control units to be switched on or switched on alternately in a time-sharing manner; according to the display panel, the number of the scanning lines and the number of the data lines are reduced by at least half under the display condition of the same resolution, the power consumption and the cost of the panel are reduced, and the refresh rate and the aperture opening rate are improved.
Owner:HKC CORP LTD

Display panel and display device

The embodiment of the invention provides a display panel and a display device, relates to the technical field of display, and is used for cutting off or prolonging a transmission path of transverse leakage current between two adjacent sub-pixels and ensuring the connection reliability of second electrodes of the sub-pixels. In the display panel, at least one of a non-notch part of a first partition part, a non-notch part of a second partition part and a supporting part is arranged between a first sub-pixel and a second sub-pixel which are adjacent to each other; moreover, at least one of the first sub-pixel and the second sub-pixel comprises a first protruding part and a main body part, the edge, away from the main body part, of the first protruding part comprises an arc segment, and the arc segment protrudes towards the side, away from the main body part, of the first protruding part.
Owner:WUHAN TIANMA MICRO ELECTRONICS CO LTD

Display panel, display driving method and display device

The invention belongs to the technical field of display driving, and particularly relates to a display panel, a display driving method and a display device.The display panel comprises N rows of scanning lines, M columns of data lines and N rows * 2M columns of pixel circuits; each pixel circuit comprises a pixel unit and a control unit, the first control end of the control unit in the nth row is connected with the scanning line in the nth row, and the second control end of the control unit in the (2m-1) th column, the input end of the control unit in the (2m-1) th column, the second control end of the control unit in the (2m) th column and the input end of the control unit in the (2m) th column are all connected with the data line in the (m) th column; when the nth row of scanning line is opened, a data signal on the mth row of data line controls any one of the nth row of (2m-1) th row of control units and the nth row of (2m-1) th row of control units to be switched on or switched on alternately in a time-sharing manner; according to the display panel, the number of the data lines is reduced by half under the display condition of the same resolution, the power consumption and cost of the panel are reduced, and the refresh rate and the aperture opening rate are improved.
Owner:HKC CORP LTD

Pixel driving circuit for field sequential display

The invention discloses a pixel driving circuit for field sequential display. The pixel driving circuit comprises a reset pre-storage unit and a driving unit, the reset pre-storage unit comprises a first transistor, a third transistor and a pre-storage capacitor; the grid electrode of the first transistor is coupled to a row grid signal line, the first source and drain electrode of the first transistor is coupled to a data signal line, and the second source and drain electrode of the first transistor is coupled to the driving unit and the first source and drain electrode of the third transistor; a second source drain electrode of the third transistor is coupled to one end of a pre-storage capacitor, and the other end of the pre-storage capacitor is coupled to a common signal line; a gate of the third transistor is coupled to a reset signal line. The driving circuit has the advantages that the requirement for the voltage range of data signal line changes is greatly lowered, and therefore the power consumption of a driving chip and a control row gate signal line output unit is lowered.
Owner:CHENGDU JIUTIAN HUAXIN TECH CO LTD

Field sequential display pixel circuit

The invention discloses a field sequential display pixel circuit. The field sequential display pixel circuit comprises a plurality of pixel units which are distributed in multiple rows and multiple columns; a plurality of scanning signal lines extending along the horizontal direction and a plurality of data signal lines extending along the vertical direction; and the plurality of cascaded GOA units are arranged in the peripheral circuit, and each stage of GOA unit is connected with the plurality of scanning signal lines so as to input scanning signals to each scanning line. The beneficial effects of the invention are that the control switch and the multi-channel data line are turned on through the multi-stage scanning line signal for writing, and the refresh rate is improved.
Owner:CHENGDU JIUTIAN HUAXIN TECH CO LTD

Array substrate and display device

The present application provides an array substrate and a display device. The array substrate includes: a base substrate; a plurality of gate lines, which are arranged on the base substrate and arranged along a first direction; a plurality of signal lines, which are arranged on the base substrate and arranged along a second direction, and the second direction is perpendicular to the first direction; the gate lines and the signal lines are insulated, overlapped and surrounded to form a plurality of sub-pixel units; a transistor, which is arranged in the sub-pixel unit, and the orthographic projection of the transistor on the base substrate partially overlaps with the orthographic projection of at least one of the gate lines and the signal lines on the base substrate; and a pixel electrode layer, which is arranged in the sub-pixel unit and connected to the transistor. The array substrate and the display device described in the present application can improve the pixel aperture ratio, improve the poor afterimage display, and do not require an additional Mask process.
Owner:BOE TECHNOLOGY GROUP CO LTD +1

Electrophoretic display device and driving method

The invention discloses an electrophoretic display device, and relates to the field of electrophoretic display, the electrophoretic display device comprises an electrophoretic display unit, a refraction layer and an ultraviolet light source layer, an ultraviolet light source device area is arranged in a corner area opposite to the electrophoretic display unit, and an ultraviolet light emitting diode is arranged in the ultraviolet light source device area of the ultraviolet light source layer; wherein fluorescent electrophoresis particles of the electrophoresis display unit are excited to perform fluorescence color development under ultraviolet irradiation; the anode, the UV light-emitting layer and the cathode of the UV light-emitting diode are arranged in an inclined stacking mode, and UV light rays firstly pass through the transparent electrode and then pass through the refraction layer to be subjected to light density to light density refraction, deflected to the electrophoresis display unit, subjected to photoluminescence and emitted out through the display window area. In addition, the invention further discloses an electrophoretic display driving method. The UV diode light source is arranged on the side of the electrophoretic display light emitting side to provide an ultraviolet light source for the electrophoretic particles of the electrophoretic display layer and excite fluorescence, and the brightness of the electrophoretic display layer and the uniformity of light emitting are effectively improved.
Owner:FUZHOU UNIV

Display panel and display device

The invention discloses a display panel, a manufacturing method thereof and a display device, and belongs to the technical field of display. The display panel comprises a driving backboard, a first electrode, a filling layer, a pixel definition layer, an organic light-emitting layer and a second electrode layer. Wherein the pixel definition layer is provided with a plurality of pixel holes, and the side walls of the pixel holes are provided with concave structures. As the flatness of the side, away from the driving back plate, of the filling layer is relatively high, the concave structures are distributed on the side, away from the driving back plate, of the filling layer, it is guaranteed that the distribution positions of the concave structures are basically consistent, and it is guaranteed that the partition effects of the concave structures on the organic light-emitting layer are basically consistent. In this way, at least part of the orthographic projection of the concave structure on the driving backboard does not coincide with the orthographic projection of the first electrode on the driving backboard. Thus, the area, covered by the concave structure, in the first electrode is small, the connection area of the first electrode and the organic light-emitting layer is increased, the aperture ratio of the display panel is effectively improved, and the display effect of the display panel is good.
Owner:BOE TECHNOLOGY GROUP CO LTD +2

Spliced ​​liquid crystal lens, electronic device and method for driving the spliced ​​liquid crystal lens

The present invention belongs to the field of optical imaging technology, and provides a spliced ​​liquid crystal lens, an electronic device, and a method for driving a spliced ​​liquid crystal lens. The spliced ​​liquid crystal lens comprises: at least two rectangular light-through hole liquid crystal lens units and a driving circuit, each of the rectangular light-through hole liquid crystal lens units is arranged in an array and spliced ​​into a large-caliber liquid crystal lens, the rectangular light-through hole liquid crystal lens unit comprises: a first electrode, a second electrode, a third electrode, and a fourth electrode, and a rectangular light-through hole in the light-through direction surrounded by the first electrode, the second electrode, the third electrode, and the fourth electrode, and the driving circuit outputs a driving voltage to the first electrode, the second electrode, the third electrode, and the fourth electrode of each rectangular light-through hole liquid crystal lens unit to adjust the optical axes of each rectangular light-through hole liquid crystal lens unit to a mutually overlapping position. The spliced ​​liquid crystal lens of the present invention has the advantages of large caliber, thin thickness, and fast response speed.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Light-emitting chip and preparation method thereof, display panel and display device

The invention discloses a light-emitting chip and a preparation method thereof, a display panel and a display device.The light-emitting chip comprises at least two light-emitting units, a first electrode and a second electrode, the number of the light-emitting units is at least two, and the light-emitting units are arranged in a stacked mode in the first direction; each light-emitting unit comprises a first semiconductor layer, a light-emitting functional layer and a second semiconductor layer which are sequentially stacked in the first direction; the first electrodes are arranged in one-to-one correspondence with the light-emitting units and are connected with the first semiconductor layers of the light-emitting units; the second electrode is circumferentially arranged around at least part of the light-emitting unit, and the second electrode is connected with the second semiconductor layer of the light-emitting unit; wherein the second electrodes are arranged in a stacked mode in the first direction, and the adjacent second electrodes in the first direction are connected in a bonding mode. The light-emitting chip provided by the invention can improve the aperture opening ratio so as to improve the display quality.
Owner:CHENGDU VISTAR OPTEOLECTRONICS CO LTD

Organic light emitting display device and method for manufacturing organic light emitting display device

ActiveCN114830368Breduce in quantityMargin to prevent overlapDisplay deviceHole transport layer
Disclosed is an organic light emitting display device including a plurality of light emitting areas emitting light of different colors. The organic light emitting display device includes first to third pattern electrodes connected to driving elements, respectively; an organic light emitting structure disposed on the first to third pattern electrodes; a common electrode disposed on the organic light emitting structure; and a resonance control pattern disposed between the first pattern electrode and the organic light emitting structure, overlapping the first light emitting area, and including a conductive oxide. The organic light emitting structure includes a hole transport layer, an electron transport layer, and a light emitting layer disposed between the hole transport layer and the electron transport layer. The light emitting layer includes a common light emitting layer continuously extending within the organic light emitting structure, and a light emitting pattern overlapping the third pattern electrode.
Owner:SAMSUNG DISPLAY CO LTD

Display panel, display device and preparation method of display panel

The invention discloses a display panel, a display device and a preparation method of the display panel. The display panel comprises a substrate, an isolation structure and a pixel definition layer. The isolation structure is arranged on the substrate and encloses a plurality of isolation openings. At least part of a boundary line formed by intersection of the second side face and the second top face of the pixel limiting layer is located on the extending face of the first side face of the second layer, and / or at least part of the boundary line is located on the side, facing the first layer, of the extending face of the first side face, on one hand, the second layer can partially block an etching material in the follow-up manufacturing process, and the etching efficiency is improved. The etching damage to the pixel limiting part is reduced, so that the etching protection of the pixel limiting part is realized; and on the other hand, the width of the pixel limiting part between the adjacent pixel openings is reduced, the area of the pixel openings is increased, and the aperture ratio of the display panel is increased, so that the display effect and the use performance of the display panel are improved.
Owner:BLACK COW FOOD +1

Array substrate, manufacturing method and display panel

The present application belongs to the technical field of display panels, and provides an array substrate, a manufacturing method and a display panel, wherein the array substrate comprises a substrate, a common electrode line, a first insulating layer, a first metal layer, a second insulating layer, a second metal layer, a third insulating layer, a common electrode layer, a fourth insulating layer and a pixel electrode layer which are stacked in sequence; the first metal layer is formed with a scanning line, and at least part of the common electrode line is stacked with at least part of the scanning line; the common electrode layer is formed with a common electrode and a first connecting portion connected to the common electrode, and the first connecting portion is electrically connected to the common electrode line. The array substrate provided by the embodiment of the present application has a large aperture ratio and a flat surface.
Owner:HKC CORP LTD

Liquid crystal display panel

The utility model provides a kind of liquid crystal display panel, comprising: multiple parallel scanning lines, multiple common electrode lines and multiple parallel data lines, two adjacent horizontal common electrode lines and two adjacent data lines define a subpixel, each subpixel includes first thin film transistor, second thin film transistor and third thin film transistor, multiple subpixels include different first subpixel and second subpixel of constituting mode, the third thin film transistor of first subpixel is connected with longitudinal common electrode line, the third thin film transistor of second subpixel is connected with longitudinal common electrode line and horizontal common electrode line, or the third thin film transistor of second subpixel is connected with longitudinal common electrode line, and the main area storage capacitor of second subpixel is connected with horizontal common electrode and is connected with longitudinal common electrode line by connecting structure, first subpixel and second subpixel are arranged in matrix mode, and the number of first subpixel is greater than the number of second subpixel on each row and each column.
Owner:SDP GLOBAL (CHINA) CO LTD

Display panel and display device

PendingCN119451438AIncrease opening ratioReduce stray light interferenceDisplay deviceStray light
The invention relates to a display panel and a display device, the display panel comprises a substrate and a plurality of repetitive units, the repetitive units are arranged on the substrate, each repetitive unit comprises a first sub-pixel, a second sub-pixel, a third sub-pixel and a photosensitive unit, in any repetitive unit, the first sub-pixel and the photosensitive unit are located in the same row, and the third sub-pixel and the photosensitive unit are located in the same row. The second sub-pixel and the third sub-pixel are located in the other adjacent row, and at least part of the photosensitive unit is adjacent to the third sub-pixel; the photosensitive unit is configured to be capable of receiving light emitted by the third sub-pixel and reflected by an object above the display panel. According to the display panel provided by the invention, the aperture ratio is improved, so that the photosensitive unit can conveniently receive light rays emitted by the third pixel and reflected by an object above the display panel, stray light interference on the photosensitive unit is reduced, and the use performance of the photosensitive unit is improved.
Owner:HEFEI VISIONOX TECH CO LTD +1

Display panel

The utility model discloses a display panel, a display area of the display panel comprises a plurality of pixel units arranged in an array, and each pixel unit comprises a device area and a pixel area; the display panel comprises a substrate, a thin film transistor located in a device area and a pixel electrode located in a pixel area. The thin film transistor comprises a first electrode, an interlayer dielectric layer, a second electrode and an active layer which are sequentially located on a substrate. The interlayer dielectric layer covers the substrate and the first electrode; a first via hole for exposing the first electrode is formed in the interlayer dielectric layer; the second electrode is located on the interlayer dielectric layer; the active layer covers the first electrode exposed in the first via hole, the hole wall of the first via hole and the second electrode; the interlayer dielectric layer extends from the device area to the pixel area, and the pixel electrode is located on the side, away from the substrate, of the interlayer dielectric layer and connected with the second electrode; the pixel electrode and the second electrode or the active layer are arranged on the same layer. The manufacturing cost of the display panel can be effectively reduced while the high aperture ratio and the high charging rate of the display panel are achieved.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD

Display device

A display device includes: a substrate having a plurality of pixels, the plurality of pixels including a light emitting area; a plurality of transistors in each of the plurality of pixels on the substrate; an overcoat layer on the plurality of transistors; a plurality of first electrodes on the overcoat layer in the plurality of pixels, the plurality of first electrodes connected to each of the plurality of transistors; a bank between the plurality of pixels on the overcoat layer; a light emitting portion on the plurality of first electrodes and the bank; and a second electrode disposed on the light emitting portion, in which the overcoat layer includes recesses between the light emitting regions of the plurality of pixels.
Owner:LG DISPLAY CO LTD

Pixel opening arrangement structure, high-precision metal mask plate and display device

The invention provides a pixel opening arrangement structure, a high-precision metal mask plate and a display device, and belongs to the technical field of display. The pixel opening arrangement structure comprises a plurality of pixel opening repeating units which are arranged along a first direction, each pixel opening repeating unit comprises a first sub-pixel opening, a second sub-pixel opening, a third sub-pixel opening and a fourth sub-pixel opening, the first sub-pixel opening and the fourth sub-pixel opening are the same in shape and are symmetrically arranged relative to a first straight line, and the first sub-pixel opening and the fourth sub-pixel opening form a surrounding structure; the second sub-pixel opening and the third sub-pixel opening are located in the surrounding structure, the second sub-pixel opening and the third sub-pixel opening are the same in shape and are symmetrically arranged relative to a second straight line, and the first straight line is perpendicular to the second straight line or coincides with the second straight line. The aperture opening ratio of the display device can be improved, and the brightness, the resolution ratio and the service life of an OLED display product can be improved.
Owner:FUZHOU BOE OPTOELECTRONICS TECH CO LTD +1

Display panel and display device

The embodiment of the present invention provides a display panel, a display device, a spacer and a method for manufacturing a display panel. The display panel has a display area, and a plurality of pixel areas are arranged in the display area; the display panel includes a color filter substrate, an array substrate and a main spacer assembly. The array substrate and the color filter substrate are arranged opposite to each other. The main spacer assembly includes a first main spacer and a second main spacer, and the main spacer assembly is at least located in the display area. The first main spacer is arranged on the side of the color filter substrate facing the array substrate, and the second main spacer is arranged on the side of the array substrate facing the color filter substrate; the first main spacer has a first bite structure, and the second main spacer has a second bite structure, and the first bite structure and the second bite structure cooperate so that the relative sliding amount of the first main spacer and the second main spacer is within a preset sliding range.
Owner:BOE TECHNOLOGY GROUP CO LTD +1

Display device

The invention discloses a display device. The invention provides a display device capable of reducing power consumption. The aperture ratio of the display device is improved. The display device includes a pixel having a first sub-pixel and a second sub-pixel. The first sub-pixel comprises a first coloring layer and a first transistor, and the second sub-pixel comprises a second coloring layer and a second transistor. A channel-forming portion of the semiconductor layer included in the first transistor and the second transistor is disposed so as to overlap at least the first colored layer. The first colored layer absorbs light having a wavelength shorter than that absorbed by the second colored layer, and visible light passes through the semiconductor layer, the electrode, the wiring, and the like constituting the transistor.
Owner:SEMICON ENERGY LAB CO LTD

Small-opening panel type heading machine cutter head and heading machine comprising same

The invention provides a small-opening panel type heading machine cutter head and a heading machine comprising the same, and belongs to the technical field of tunnel engineering construction. Comprising a panel, a cutter and an adjustable sealing plate assembly, a plurality of slag discharging holes are formed in the panel, and the aperture size of each slag discharging hole is smaller than the particle size through which a slurry discharging pump can pass; the cross section of each slag discharge hole is square, and the vertical section of each slag discharge hole is of a conical horn-shaped structure with a small front part and a large rear part; a cutter is installed on the side end face, close to the tunneling direction, of the panel. The adjustable sealing plate assembly is arranged at the end, away from the cutter, of the panel. By arranging the opening-adjustable sealing plate assembly, when the small-opening panel type heading machine cutterhead carries out heading in stratums with poor stability such as sandy soil, an outer opening is sealed through a sealing plate, and the opening ratio of the cutterhead is reduced so as to improve the balancing capacity of the cutterhead to a tunnel face; when the cutterhead is tunneled in clay and other stratums with good stability, the sealing plate is adjusted to increase the aperture ratio of the cutterhead, the cutterhead is prevented from being pasted, and the deslagging efficiency of the cutterhead is improved.
Owner:CHINA RAILWAY CONSTR HEAVY IND

Strong microcavity anode structure of silicon-based organic light-emitting diode and preparation method

PendingCN119562745AImprove evaporation yieldincrease light intensityLight-emitting diodeMaterials science
The embodiment of the invention provides a strong microcavity anode structure of a silicon-based organic light emitting diode and a preparation method. The preparation method comprises the following steps of: plating a first transparent insulating oxide layer on a CMOS (Complementary Metal-Oxide-Semiconductor Transistor) substrate; processing the first transparent insulating oxide layer to obtain sub-pixel grooves respectively corresponding to the RGB sub-pixels; an anode metal layer is deposited in the sub-pixel groove to serve as a metal anode; depositing a second transparent insulating oxide layer on the metal anode; etching the second transparent insulating oxide layer to the same horizontal height as the metal anode; depositing a layer of transparent metal oxide conductive film on the etched second transparent insulating oxide layer, and forming an anode metal pattern of RGB (Red, Green, Blue) sub-pixels; depositing a PDL layer on the CMOS substrate on which the anode metal pattern of the RGB sub-pixels is formed; and etching the PDL layer to form a pixel opening, an undercut structure and a pixel light-emitting protection structure corresponding to each sub-pixel in the RGB sub-pixels.
Owner:LAKESIDE LIGHTNING SEMICONDUCTOR (JIANGSU) CO

OLED display panel capable of reducing crosstalk

The invention relates to the technical field of semiconductor display, and discloses an OLED display panel capable of reducing crosstalk. The anodes are arranged on the back plate at intervals; the pixel definition layers are arranged between the adjacent anodes; the second light-emitting layer is located on the anode and the pixel definition layer, and the second light-emitting layer comprises a double-color light-emitting material corresponding to a second type of sub-pixels; the charge generation layer is located on the second light-emitting layer and comprises a first region and a second region which are disconnected from each other, the first region is located above the first type of sub-pixels, and the second region is located above the second type of sub-pixels; the first light-emitting layer is located on the charge generation layer, and the first light-emitting layer comprises a monochromatic light-emitting material corresponding to the first type of sub-pixels; and a cathode layer on the first light emitting layer. The crosstalk problem between the sub-pixels is effectively reduced, the process difficulty is reduced, and the yield is improved.
Owner:LAKESIDE LIGHTNING SEMICONDUCTOR (JIANGSU) CO

A projector based on color wheel time-sharing display and MONO LCD screen

The present invention provides a projector based on color wheel time-sharing display and MONO LCD screen, including a shell assembly, wherein a main body assembly is installed inside the shell assembly; the main body assembly includes a white light source, a condenser lens, a color separation wheel, a shaping lens, a polarizing lens, a monochrome LCD screen, a projection lens, a mounting tube, a through hole and a limit seat; the white light source is installed on the inner rear wall of the mounting tube. The present invention uses white light color separation, and there is only one light source as a whole, instead of R / G / B separate light paths, thereby simplifying the optical system, and by using a white light source and using a color separation wheel for color separation, only part of the polarized light will be projected onto the monochrome LCD screen in a unit time, and the main heat source is at the white light source, not on the monochrome LCD screen, thereby avoiding the LCD heat dissipation bottleneck problem, and compared with the method of adding a large number of heat dissipation mechanisms on the outside in the prior art, it not only solves the problem of LCD screen heat dissipation, but also does not cause the overall volume of the projector to increase.
Owner:SHENZHEN XINZHILIAN SOFTWARE CO LTD

Display panel and manufacturing method thereof

The invention relates to a display panel and a manufacturing method thereof. The display panel comprises a substrate, a first photoresist layer and a first light-emitting function part, a plurality of first electrodes arranged at intervals and a plurality of first pixel openings used for at least partially exposing the corresponding first electrodes respectively are arranged on the substrate, the first photoresist layer is arranged on the substrate, and the first light-emitting function part is arranged on the first photoresist layer. The first photoresist layer is provided with first evaporation openings communicated with the first pixel openings, and the first light-emitting function parts are arranged in the first evaporation openings and the first pixel openings and cover the corresponding first electrodes. The first evaporation openings are communicated with the first pixel openings to expose at least part of the first electrodes, so that the first light-emitting function parts are formed on the first electrodes through the first evaporation openings, sub-pixels of corresponding colors can be correspondingly formed, a metal mask plate does not need to be used, and the manufacturing cost is reduced. The problems that the aperture opening ratio of the manufactured display panel is limited and a large-size display panel is difficult to manufacture when the display panel is manufactured by using a metal mask plate are solved.
Owner:YUNGU GUAN TECH CO LTD +1

A random readable active pixel circuit and driving method thereof

The present invention discloses an active pixel circuit that can be randomly read and a driving method thereof, the active pixel circuit comprising: a photodiode, a first transistor, a second transistor, a first power supply and a second power supply; the first power supply is connected to the drain of the second transistor and is connected to the drain of the first transistor through the diode, the drain of the first transistor is connected to the gate of the first transistor and the top gate of the second transistor, the source of the first transistor is grounded, the bottom gate of the second transistor is connected to the second power supply, and the source of the second transistor is a signal output terminal. The present invention makes the output current of the randomly readable active pixel sensor circuit have a power function relationship with the photocurrent of the diode, and achieves a quasi-linear relationship between the output signal of the circuit and the light intensity, so that the sensitivity and dynamic response range of the sensor can be optimized at the same time.
Owner:SHENZHEN CHIPWEY INNOVATION TECH CO LTD

Display panel and manufacturing method thereof, and electronic device

The present invention proposes a display panel and a manufacturing method thereof, and an electronic device, wherein the display panel includes an array substrate; a color resist layer on the array substrate; a light-emitting device layer on the color resist layer; and a reflective layer between the color resist layer and the array substrate, wherein the reflective layer is used to reflect the light emitted by the light-emitting device layer. The present invention provides a reflective layer between the color resist layer and the array substrate, so that the display panel forms a top-emitting white light display, eliminates the position restriction of the opening area in the pixel, improves the opening ratio of the display panel, and increases the area of ​​the light-emitting area; in addition, part of the white light directly enters the human eye, thereby improving the light-emitting efficiency of the display panel and reducing the power consumption of the electronic device.
Owner:WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD

Pixel driving circuit with Vth self-compensation

The invention discloses a pixel driving circuit with Vth self-compensation, which comprises a first transistor, a second transistor, a third transistor and a fourth transistor, and is characterized in that a first source drain electrode of the first transistor is coupled to a data signal line, a second source drain electrode of the first transistor is coupled to a pre-storage node, and a grid electrode of the first transistor is coupled to a control signal line; a first source-drain electrode of the third transistor is coupled to the pre-storage node, a second source-drain electrode is coupled to the pixel node, and a grid electrode is coupled to a transfer signal line; a first source-drain electrode of the second transistor is coupled to the reference signal line, a second source-drain electrode is coupled to the pixel node, and a grid electrode is coupled to the self-compensation node; a first source-drain electrode of the fourth transistor is coupled to the data signal line, a second source-drain electrode is coupled to the self-compensation node, and a grid electrode is coupled to the reset signal line; one end of the self-compensation capacitor is coupled to the pre-storage node, and the other end of the self-compensation capacitor is coupled to the self-compensation node; one end of the pre-storage capacitor is coupled to the coupling signal line, and the other end of the pre-storage capacitor is coupled to the pre-storage node.
Owner:CHENGDU JIUTIAN HUAXIN TECH CO LTD

Array substrate and display panel

The invention provides an array substrate and a display panel. The array substrate comprises a substrate; the N + 1 data line groups are located on the substrate, and N is an integer greater than or equal to 1; the plurality of pixels are arranged in the row direction and the column direction, and one data line group is located in one column of pixels; each data line group comprises a first data line and a second data line, pixels located in odd-numbered rows and odd-numbered columns are connected with the first data line, and pixels located in odd-numbered rows and even-numbered columns are connected with the second data line; the pixels in the even-numbered rows and odd-numbered columns are connected with the second data lines, and the pixels in the even-numbered rows and even-numbered columns are connected with the first data lines; the first data line and the second data line are opposite in polarity; each pixel comprises a first pixel electrode, each first pixel electrode comprises a first longitudinal trunk and a second longitudinal trunk which extend in the column direction, the first longitudinal trunks and the second longitudinal trunks are arranged in a staggered mode, the adjacent first pixel electrodes are arranged in a mirroring mode in the row direction, and the adjacent first pixel electrodes are arranged in a mirroring mode in the column direction.
Owner:TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO LTD