CN112837628A - Display device and electronic apparatus - Google Patents
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- CN112837628A CN112837628A CN202110081354.3A CN202110081354A CN112837628A CN 112837628 A CN112837628 A CN 112837628A CN 202110081354 A CN202110081354 A CN 202110081354A CN 112837628 A CN112837628 A CN 112837628A
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The application discloses display device and electronic equipment relates to and shows technical field to solve display device's the less technical problem of screen ratio. The display device comprises a display substrate, an insulating layer and a display element which are sequentially stacked, wherein the insulating layer is arranged between the display substrate and the display element; the display device further includes a target module disposed in the insulating layer, wherein the target module includes at least one of a driving control module, a power supply module, and a multiplexing module. The application is used for displaying with a higher screen ratio.
Description
Technical Field
The application belongs to the technical field of display, and particularly relates to a display device and electronic equipment.
Background
The terminal device has a larger screen occupation ratio and can bring better visual experience to users, and therefore, how to realize the larger screen occupation ratio is a current research trend.
However, in the conventional display technology, a display device generally includes a display area portion where various light emitting elements are generally disposed and a non-display area portion (also referred to as a bezel) where various circuit blocks for supplying signals to the light emitting elements are generally disposed.
Since the various circuit modules disposed in the non-display area occupy more space of the display device, the screen occupation ratio of the display device is small.
Disclosure of Invention
The application aims to provide a display device and electronic equipment, and solves the technical problem that the screen of the display device is small in occupied ratio.
In order to solve the technical problem, the present application is implemented as follows:
in a first aspect, an embodiment of the present application provides a display device, where the display device includes a display substrate, an insulating layer, and a display element, which are sequentially stacked, where the insulating layer is disposed between the display substrate and the display element;
the display device further includes a target module disposed in the insulating layer, wherein the target module includes at least one of a driving control module, a power supply module, and a multiplexing module.
In a second aspect, an embodiment of the present application provides an electronic device, including:
a housing; and
the display device is any one of the display devices provided by the embodiments of the application.
In an embodiment of the present application, a display device includes a display substrate, an insulating layer, and a display element, which are sequentially stacked, the insulating layer being disposed between the display substrate and the display element; the display device further includes a target module disposed in the insulating layer, wherein the target module includes at least one of a driving control module, a power supply module, and a multiplexing module. By disposing the target module in the insulating layer between the display substrate and the display element, the number of modules disposed side by side with the display element is reduced, and thus the area occupation ratio of the non-display region can be reduced, thereby improving the screen occupation ratio of the display device.
Drawings
FIG. 1 is a schematic diagram of a display device according to an embodiment of the present application;
FIG. 2 is a schematic diagram of another display device according to an embodiment of the present application;
FIG. 3 is a schematic diagram of another display device according to an embodiment of the present application;
FIG. 4 is a left side view of the display device of FIG. 3;
FIG. 5 is a right side view of the display device of FIG. 3;
FIG. 6 is a top exploded view of the display device of FIG. 3;
FIG. 7 is a schematic diagram of another display device according to an embodiment of the present application;
FIG. 8 is a schematic diagram of yet another display device according to an embodiment of the present application;
FIG. 9 is a top exploded view of the display device of FIG. 8;
fig. 10 is a schematic diagram of yet another display device according to an embodiment of the present application.
Reference numerals:
10-a display device; 101-a substrate; 102-an insulating layer; 103-a display element; 1031 — first display region part; 1032 — second display area section; 1033-pixel cell; 104-target module; 1041 — scanning line driving control module; 10411 — first scanning line driver; 10412 — second scanning line driver; 1042 — emission line drive control module; 10421 — a first radiation driver; 10422 — a second transmission line driver; 1043-a multiplexing module; 1044 — an initialization module; 1045 — a first power supply; 1046 — a second power supply; 1047 — a memory module; 105-a via hole; 1051-a scan line via; 10511 — first scan line via; 10512 — a second scan line via; 1052-transmission line via hole; 10521-first transmission line via; 10522-second transmission line via; 1053 — first memory via; 1054-second memory via.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The features of the terms first and second in the description and in the claims of the present application may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality" means two or more unless otherwise specified. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Various circuit lines are distributed in the display area, for example, the circuit lines comprise a plurality of scanning lines, a plurality of emission control lines and a plurality of data lines; the non-display area is provided with a scan line driver, an emission line driver, a data line driver, a power supply module, and the like. The scanning line driver outputs scanning signals and applies the scanning signals to the plurality of scanning lines; the emission line driver outputs emission control signals and applies the emission control signals to the plurality of emission control lines; the data line driver outputs data signals and applies the data signals to the plurality of data lines; the display area comprises a plurality of pixel units, and the power supply module comprises a first power supply ELVDD and a second power supply ELVSS; a first power supply ELVDD and a second power supply ELVSS that supply power to the pixel units through first and second power supply lines, respectively, the first and second power supply ELVDD and ELVSS being generally distributed in the display region; meanwhile, each pixel unit in the display area receives the scan signal, the emission control signal, and the data signal, thereby displaying an image. In addition, the scan line driver, the emission line driver, the data line driver and the power supply module may be further connected to a display driver chip disposed on a Flexible Printed Circuit (FPC), the display driver chip controls power supply and transmission of various signals, and the display driver chip is further connected to a main Circuit board of the electronic device through a connector disposed on the FPC.
The embodiment of the application provides a display device 10, as shown in fig. 1, the display device 10 includes a display substrate 101, an insulating layer 102, and a display element 103 having a display area, which are sequentially stacked, wherein the insulating layer 102 is disposed between the display substrate 101 and the display element 103; the display device 10 further includes a target module 104, the target module 104 being disposed in the insulating layer 102, wherein the target module 104 includes at least one of a driving control module, a power supply module, and a multiplexing module.
Wherein the display region of the display element 103 includes a plurality of pixel units, the pixel units may include organic light emitting diodes, inorganic light emitting diodes, or quantum dot light emitting diodes, and the display element 103 may display an image according to light emitted from the plurality of pixel units in the display region.
The insulating layer 102 is provided between the display element 103 and the substrate 101, and since the wiring in the display element 103 is complicated, the insulating layer 102 is provided between the display element 103 and the substrate 101, and the target module 104 is provided in the insulating layer 102, so that the target module 104 provided on the substrate 101 can be prevented from contacting other lines in the display element 103. For example, the emission line driving control module functions to control the emission lines in the display region of the display element 103, and if the insulating layer is not provided, the emission line driving control module contacts the data lines in the display region, which may cause various signal transmission disorders in the display region, affect the display effect of the display region, and may even cause the display region to be incapable of displaying images. Therefore, by providing the insulating layer 102 between the display element 103 and the substrate 101 and providing the target module 104 in the insulating layer 102, the circuit lines in the display element can be connected to the corresponding control modules, and the above situation is avoided. The insulating layer 102 may be made of insulating materials such as polyimide, silicon dioxide, and silicon nitride, and the thickness may be set according to actual requirements, for example, may be in a range from 0.1um to 99 um.
The substrate 101 may be used to carry the target module 104 and may be made of polyimide, glass, or the like; when the display device includes a flexible screen and can be folded, the substrate 101 may also be made of a flexible material to meet the requirement that the display device can be folded, and similarly, the insulating layer 102 may also be made of a flexible material at this time.
The connection between the target module 104 and the display element 103 may be a connection between the target module 104 and a wiring in the display element 103 to perform display control of the display element 103. The connection mode may be that the target module 104 is connected to the display element 103 from the side of the display element 103 by a lead, or a via hole is provided in the insulating layer 102 at a position corresponding to the display region of the display element 103, and the target module 104 is connected to the display element 103 through the via hole. The target module 104 comprises at least one of a drive control module, a power module, and a multiplexing module; the driving control module may include a scan line driving control module and/or an emission line driving control module, which are respectively used for controlling the scan lines and the emission lines distributed in the display element 103. The power supply module may include a first power supply module and/or a second power supply module, the first power supply module and the second power supply module are respectively connected to a first power line and a second power line distributed in the display element 103, and the first power supply module and the second power supply module may supply power to the display element 103 through the first power line and the second power line. The multiplexer Module (MUX) is used to control the data lines distributed in the display element 103.
The display device that this application embodiment provided through with the target module setting in the insulating layer between display substrate and display element, reduced the quantity of the module that sets up side by side with display element, and then can reduce the area percentage of non-display area to display device's screen percentage has been improved.
In order to simplify the process and further reduce the non-display area, in one embodiment, the insulating layer 102 has a via 105, and the target module 104 is connected to the display element 103 through the via 105 as shown in fig. 2.
Wherein the via hole 105 can be formed by punching a hole in the insulating layer 102 by a laser punching device. The target module 104 is connected to the display element 103 through the via 105, a connection line led out by the target module 104 passes through the via 105 to be connected to the display element 103, or a conductive material is coated on an inner wall of the via or filled in the via, the via 105 serves as a wire, and the target module 104 is directly connected to the display element 103 through the via 105. The inner wall of the via hole 105 is coated with a conductive material or filled with a conductive material, and the via hole 105 serves as a connecting line for connecting the target module 104 and the display element 103, so that the connecting line between the target module 104 and the display element 103 can be shortened, the manufacturing process of the display device can be simplified, and the manufacturing difficulty can be reduced. The conductive material may include metals such as molybdenum (Mo), aluminum (Al), titanium (Ti), silver (Ag), magnesium (Mg), or other conductive substances. The size and shape of the via hole 105 can also be set according to actual needs, for example, the via hole 105 can be a circle with a diameter ranging from 0.1um to 100 um.
According to the display device and the display method, the through hole is formed in the insulating layer, the target module is directly connected with the display element through the through hole, the situation that the lead of the target module is connected with the display element from the side of the display element is avoided, and therefore the situation that the lead can occupy a certain non-display area is avoided. That is, the target module is directly connected to the display element through the via hole, so that the wiring length for the target module can be reduced, and the screen occupation ratio of the non-display area can be further reduced compared to the above-described non-display area wiring method.
On the other hand, in order to avoid affecting the display effect of the display region, the position of the via hole 105 in the insulating layer is preferably disposed between two adjacent pixel units. The target module 104 is connected to the display element 103 through the via 105, or the target module 104 is connected to circuit lines distributed in the display area of the display element 103 through the via 105, so as to electrically connect the circuit lines to their corresponding control modules. In addition, the number of vias 105 provided in the insulating layer 102 may be the same as or different from the number of modules included in the target module 104; for example, the target module 104 includes a scan line driving control module and an emission line driving control module, a plurality of scan lines and a plurality of emission lines are distributed in the display region of the display element 103, two via holes may be provided in the insulating layer 102, the scan line driving control module is connected to the scan lines through one of the via holes, and the emission line driving control module is connected to the emission lines through the other via hole. When a plurality of target modules exist, each target module can control a circuit line through the corresponding via hole, the mixed use of the via holes is avoided, and the condition that the difficulty of the preparation process of the display device is high due to the complex wiring caused by the mixed use of the via holes can be avoided; meanwhile, each target module can be connected with the display element by utilizing the via hole of the target module, so that the connecting line between the target module and the display element is shorter, the better control effect is achieved, and the display effect of the display element can be improved. Alternatively, the number of vias may be greater than the number of target modules. For example, the target module 104 includes a scan line driving control module and an emission line driving control module, a plurality of scan lines and a plurality of emission lines are distributed in the display region of the display element 103, four via holes may be provided in the insulating layer 102, the scan line driving control module is connected to the scan lines through two via holes, and the emission line driving control module is connected to the emission lines through another two via holes.
The position of the via hole 105 may or may not correspond to the position of the target module 104, that is, the target module 104 may be disposed right below the via hole 105, the via hole 105 is filled with a conductive material, and the target module 104 may be directly connected to the display element 103 through the via hole 105; or the target module 104 is not disposed under the via hole 105 and has a certain offset with the via hole, and at this time, the target module 104 may be connected to the via hole 105 by another electrical connection line, and then connected to the display element 103 through the via hole 105. In order to simplify the wiring in the display device, the via 105 is optionally disposed at a position corresponding to the target module 104, so that the length of a connection line between the target module and the display element can be shortened, and other connection lines are not needed, thereby simplifying the wiring in the display device and simplifying the manufacturing process of the display device. However, when there are a plurality of types or numbers of target modules 104 disposed on the substrate 101, it may not be possible to dispose all target modules 104 at positions corresponding to the vias 105, and at this time, the target modules 104 and the vias 105 may be connected by other electrical connection lines. That is, the connection mode of the target module 104 and the display element 103 through the via hole 105 may be adjusted according to the actual layout of the display device, and may be directly connected through the via hole 105 or may be connected through another electrical connection line.
In one embodiment, the target module 104 includes a driving control module, as shown in fig. 3, 4, 5 and 6 (where fig. 4 is a left side view of fig. 3, fig. 5 is a right side view of fig. 3, and fig. 6 is an exploded top view of fig. 3, it should be noted that fig. 6 hides the insulating layer 102 and displays holes on the circuit lines of the display element 103 and the target module of the substrate 101, so as to show the corresponding relationship between the target module, the vias and the circuit lines, and does not represent that the display device 10 does not include the insulating layer 102), and the driving control module includes a scan line driving control module 1041 and a transmission line driving control module 1042; the via 105 comprises a scan line via 1051 and a transmission line via 1052; the scanning line driving control module 1041 is disposed between two opposite side surfaces of the display element 103, and each scanning line S of the scanning line driving control module 1041 extends to the two opposite side surfaces of the display element 103 through the scanning line via 1051; the transmission line driving control module 1042 is disposed between the opposite side surfaces of the display element 103, and each transmission line E of the transmission line driving control module 1042 extends toward the opposite side surfaces of the display element 103 via the transmission line via 1052.
This application embodiment can reduce the decay of the signal that scanning line drive control module and emission line control module sent through setting up scanning line drive control module and emission line control module between two opposite flanks of display element to the realization is to the better control effect of scanning line and emission line, and then promotes display element's display effect.
Each scanning line S of the scanning line driving control module 1041 extends to two opposite side surfaces of the display element 103 through the scanning line via 1051, a plurality of scanning lines S led out from the scanning line driving control module 1041 respectively extend to two opposite side surfaces of the display element 103 through the plurality of scanning line vias 1051, or a conductive material is filled in the scanning line vias 1051, and the scanning line driving control module 1041 is directly connected to the plurality of scanning lines S extending to the two opposite side surfaces of the display element 103 through the plurality of scanning line vias 1051. Each of the emission lines E of the emission line driving control module 1042 extends to two opposite side surfaces of the display element 103 through the emission line via 1052, a plurality of emission lines E led out from the emission line driving control module 1042 respectively extend to the two opposite side surfaces of the display element 103 through the plurality of emission line vias 1052, or a conductive material is filled in the emission line vias 1052, and the emission line driving control module 1042 is directly connected to the plurality of emission lines E extending to the two opposite side surfaces of the display element 103 through the plurality of emission line vias 1052. Conductive materials are filled in the scan line via 1051 and the emission line via 1052, so that the scan line via 1051 is directly used as a connection line between the scan line driving control module 1041 and the scan line S, and the emission line via 1052 is directly used as a connection line between the emission line driving control module 1042 and the emission line E, which can simplify the manufacturing process of the display device and reduce the manufacturing difficulty.
The scan lines S and the emission lines E may be n and distributed in the display element 103, that is, there are n scan lines and n emission lines, and the n scan lines and the n emission lines may also be alternately distributed in the display element 103, as shown in fig. 6.
In addition, in order to facilitate the arrangement of the scan line driving control module 1041 and the emission line driving control module 1042 on the substrate 101, the scan line via 1051 corresponding to each scan line S is disposed along a straight line, that is, a plurality of scan line vias 1051 are disposed on a straight line, and the emission line via 1052 corresponding to each emission line E is disposed along a straight line, that is, a plurality of emission line vias 1052 are disposed on a straight line. For example, n scan lines S are distributed in the display element 103 in a row, n scan line vias 1051 corresponding to the n scan lines S are distributed along a same straight line perpendicular to the row direction, and the scan line driving control module 1041 is correspondingly disposed below a straight line where the n scan line vias 1051 are located, as shown in fig. 6. Alternatively, the n scan lines S are distributed in the display element 103 in a column, the n scan line via holes 1051 corresponding to the n scan lines S are distributed along a same straight line perpendicular to the column direction, and the scan line driving control module 1041 is correspondingly disposed below the straight line where the n scan line via holes 1051 are located.
To reduce the proportion of the non-display area to a greater extent, in one embodiment, the target module 104 further includes a power module, a multiplexing module 1043 and an initialization module 1044, as shown in fig. 7, the power module includes a first power supply 1045 and a second power supply 1046, and the via 105 includes a data line via, an initialization power line via, a first power line via and a second power line via; the multiplexing module 1043 is disposed between two opposite side surfaces of the display element 103, and each data line D of the multiplexing module 1043 extends to the two opposite side surfaces of the display element through the data line via hole; the initialization module 1044 is disposed on the displayBetween two opposite sides of the display element 103, the initialization power line V of the initialization module 1044 extends to two opposite sides of the display element 103 via the initialization power line via hole; the first power module 1045 is disposed between two opposite sides of the display element 103, and the first power line U of the first power module 10451Extends to two opposite sides of the display element 103 via the first power line via; the second power module 1046 is disposed between two opposite sides of the display element 103, and the second power line U of the second power module 10462Extends to the two opposite sides of the display element 103 via the second power line via hole.
Wherein the data lines D may have m and are distributed in the display element 103, the n scan lines S and the n emission lines E may be alternately and laterally distributed in the display element 103, the m data lines D may be longitudinally distributed in the display element, the initialization power supply lines V may be laterally distributed in the display element 103, and the first power supply lines U1May be longitudinally distributed in the display element 103, and the second power supply line U2May be laterally distributed in the display element 103 as shown in fig. 7, it should be noted that there is no electrical connection between the crossing lines in the display element 103 in fig. 7.
According to the embodiment of the application, more target modules are moved to the substrate 101, the occupation ratio of a non-display area is reduced to a great extent, and then the screen occupation ratio is greatly improved.
In the conventional display technology, since various object modules are arranged side by side with the display area, each object module can only be arranged at the side of the display area, for example, the left and right sides or the upper and lower sides, depending on the layout of the display area. However, due to the pursuit of people for extreme visual experience, the current display area is larger and larger, the number of pixel units is larger and larger, and then the circuit lines for supplying power and various signals to the pixel units are also longer and longer, which often results in insufficient control driving force of the target module on the circuit lines, and further influences the display. For example, the emission line driver is disposed in the non-display area portion on the left side of the display area, the emission lines are distributed in rows in the display area, and the display area is larger and the emission lines are longer, so that the driving force of the emission line driver to the emission lines near the right edge of the display area is insufficient, and if the signals generated by the emission line driver are not applied to the emission lines near the right edge, the display effect of the display area near the right edge may be affected. In the embodiment of the present application, various target modules can be moved to the substrate below the display element without being affected by the layout of the display area, and at this time, in order to solve the above problems, the modules can be disposed at positions corresponding to the middle of the substrate and the display element, the vias are also disposed at positions corresponding to the middle of the insulating layer and the display element, the target module at the middle position is connected to circuit lines in the display element through the vias at the middle position, which is equivalent to the target module routing to the left and right sides of the display element through the vias, so that the problem of insufficient driving force for controlling the corresponding circuit lines by the target module can be effectively avoided.
For example, when the circuit lines are n transmission lines distributed in the display area, the target module is a transmission line driver, through holes are respectively arranged at positions of the insulating layer corresponding to the n transmission lines E, the n through holes corresponding to the n transmission lines E are located at positions corresponding to the central axis of the display area, the n transmission lines E are respectively connected with the transmission line driver arranged on the substrate through the corresponding n through holes, and the positions of the transmission line drivers also correspond to the central axis of the display area.
Similarly, when the circuit lines are n scan lines S, m data lines D, a first power line U1, a second power line U12Or when initializing the power line V, the corresponding modules and vias may be set according to the above-mentioned transmission line driver and the setting manner of the corresponding vias. When the circuit lines include circuit lines with different attributes, for example, including n emission control lines E, n scan lines S, m data lines D, a first power line U1, a second power line U2 and an initialization power line V, it is difficult to set each corresponding module at a position corresponding to the central axis of the display area on the substrate and each via at a position corresponding to the central axis of the display area on the insulating layer, and then n emission control lines E, n scan lines S, m data lines can be setThe modules corresponding to the line D, the first power line U1, the second power line U2 and the initialization power line V are sequentially arranged at positions close to the central axis of the display area, and n emission control lines E, n scanning lines S, m data lines D, first power lines U1 and second power lines U12And the via holes corresponding to the initialization power line V are sequentially arranged at positions close to the central axis of the display area, so that the driving force requirements of various circuit lines can be met simultaneously.
Alternatively, to solve the problem that the display area is large, the circuit lines are long, which results in insufficient driving force of the target module, and thus affects the display, in one embodiment, the display area includes adjacent first and second display area portions 1031 and 1032; the scan line driver control module 1041 includes a first scan line driver 10411 and a second scan line driver 10412, and the emission line driver control module 1042 includes a first emission line driver 10421 and a second emission line driver 10422; the scan line via 1051 includes a first scan line via 10511 and a second scan line via 10512, and the transmission line via 1052 includes a first transmission line via 10521 and a second transmission line via 10522, as shown in fig. 8 and 9 (fig. 9 is a top exploded view of fig. 8); wherein the first scan line driver 10411 is disposed between two opposite side surfaces of the first display area part 1031, and each scan line of the first scan line driver 10411 extends to the two opposite side surfaces of the first display area part 1031 through the first scan line via 10511; the second scan line driver 10412 is disposed between two opposite sides of the second display area part 1032, and each scan line S of the second scan line driver controller 10412 extends to two opposite sides of the second display area part 1032 through the second scan line via 10512; wherein the first emission line driver 10421 is disposed between two opposite side surfaces of the first display area part 1031, and each emission line E of the first emission line driver 10421 extends to the two opposite side surfaces of the first display area part 1031 through the first emission line via 10521; the second emission line drivers 10422 are disposed between two opposite side surfaces of the second display region part 1032, and each emission line E of the second emission line drivers 10422 extends toward the two opposite side surfaces of the second display region part 1032 through the second emission line driver via 10522.
By the scheme provided by the embodiment of the application, the wiring length of the circuit lines can be shortened, and the circuit lines in different display areas can be controlled by a plurality of target modules in different areas. For example, the scan lines S distributed in the first display area part 1031 are controlled by the first scan line driver 10411, and the scan lines S distributed in the second display area part 1032 are controlled by the second scan line driver 10412. Therefore, the problem that the driving force is insufficient due to the fact that the display area is large and the circuit lines are long can be effectively solved.
In one embodiment, the first scan line driver 10411 and the second scan line driver 10412 are symmetrically disposed, and the first emission line driver 10421 and the second emission line driver 10422 are symmetrically disposed.
According to the embodiment of the application, the first scanning line driver and the second scanning line driver are symmetrically arranged, so that signals output by the first scanning line driver and the second scanning line driver can be better synchronized, and the display effect of the display area part controlled by the first scanning line driver and the second scanning line driver is more balanced. Similarly, the first emission line driver and the second emission line driver are symmetrically arranged, so that signals output by the first emission line driver and the second emission line driver can be better synchronized, and the display effect of the display area controlled by the first emission line driver and the second emission line driver is more balanced.
Similarly, a plurality of multiplexing modules 1043, a plurality of initialization modules 1044, a plurality of first power supplies 1045 and a plurality of second power supplies 1046 may also be arranged in the above manner, which is not described herein again.
Note that the adjacent first display area 1031 and second display area 1032 may be two display area portions adjacent to each other in the left-right direction, or two display area portions adjacent to each other in the up-down direction, and fig. 9 shows a case where the left and right display area portions are adjacent to each other in the left-right direction and the left and right display area portions are separately controlled. In addition, the display area may be divided into not only two display area portions but also three display area portions or more, and three or more drivers may be correspondingly provided at corresponding positions of the respective display area portions to control the circuit lines distributed in the respective display areas, respectively.
On the other hand, in the conventional display technology, since various target modules and display areas are arranged side by side, the positions where the target modules can be arranged are limited due to the influence of the layout of the display areas, and in order to improve the screen occupation ratio, fewer target modules are arranged in a non-display area as much as possible. Generally, the circuit lines with the same attribute only correspond to one target module, so that when the display area is large, the number of the circuit lines with the same attribute is large, one target module needs to control a plurality of circuit lines, the driving force can be controlled insufficiently, and the display effect is poor.
And this application embodiment can move various target module to the base plate of display area below, no longer receives the influence of display area overall arrangement, in order to solve above-mentioned a target module and need control a plurality of circuit lines and lead to the problem that the display effect is not good, in this application embodiment, can set up a plurality of modules for the same kind of circuit line in the display area on the base plate, every control module control some circuit lines in the same kind of circuit line.
For example, the circuit lines with the same attribute include a plurality of lines, and there are two corresponding modules, which are the first module and the second module, respectively, so that the first module controls half of the plurality of circuit lines, and the second module controls the other half of the plurality of circuit lines. Wherein, half in the many circuit lines of first module control, half in the many circuit lines of second module control can be, 1/2 partial circuit lines before first module is according to the distribution sequence control of many circuit lines, 1/2 partial circuit lines behind the second module control according to the distribution sequence control of many circuit lines. The first module and the second module can circularly and alternately control the circuit lines.
Alternatively, in one embodiment, the scan line driving control module includes a first scan line driver and a second scan line driver; the emission line driving control module comprises a first emission line driver and a second emission line driver; wherein one scanning line controlled by the second scanning line driver is arranged between any two adjacent scanning lines controlled by the first scanning line driver; and one emission line controlled by the second emission line driver is arranged between any two adjacent emission lines controlled by the first emission line driver.
Specifically, the first scanning line driver is connected with the first scanning line through the via hole to control the first scanning line, the second scanning line driver is connected with the second scanning line through the via hole to control the second scanning line, and the first scanning line driver is connected with the third scanning line through the via hole to control the third scanning line.. so as to cyclically alternate; the first emission line driver is connected with the first emission line through the through hole to control the first emission line, the second emission line driver is connected with the second emission line through the through hole to control the second emission line, and the first emission line driver is connected with the third emission line through the through hole to control the third emission line.
The embodiment of the application sets up the scanning line of a second scanning line driver control between two arbitrary adjacent scanning lines of first scanning line driver control to and set up the emission line of a second emission line driver control between two arbitrary adjacent emission lines of first emission line driver control, not only can control all scanning lines through two scanning line drivers, and control all emission lines through two emission line drivers, strengthen the scanning line driver to the control effect of scanning line and strengthen the control effect of emission line driver to the emission line, and then promote display effect. Meanwhile, the first scanning line driver and the second scanning line driver are enabled to alternately control the scanning lines, and the first emission line driver and the second emission line driver are enabled to alternately control the emission lines, compared with the first scanning line driver and the second scanning line driver which respectively control the upper half part and the lower half part of the scanning lines, and the first emission line driver and the second emission line driver which respectively control the upper half part and the lower half part of the emission lines, the display effect of the whole display area can be more balanced, and the situation that the display effect of the upper half part and the display effect of the lower half part of the display area are different can not occur.
In practical application, the circuit lines with the same attribute may include a plurality of circuit lines, three corresponding modules are respectively the first module, the second module and the third module, the first module controls one third of the plurality of circuit lines, the second module controls one third of the plurality of circuit lines, and the third module controls one third of the plurality of circuit lines. The first module controls one third of the plurality of circuit lines, the second module controls one third of the plurality of circuit lines, and the third module controls one third of the plurality of circuit lines, wherein the first module controls the front 1/3 part of circuit lines according to the distribution sequence of the plurality of circuit lines, the second module controls the middle 1/3 part of circuit lines according to the distribution sequence of the plurality of circuit lines, and the third module controls the rear 1/3 part of circuit lines according to the distribution sequence of the plurality of circuit lines; the first module, the second module, and the third module may cyclically alternately control the plurality of circuit lines in a manner similar to the above-described embodiment.
Of course, the number of the scan line drivers or the emission line drivers may be not only two but three or more, and each of the scan line drivers or the emission line drivers controls a part of the circuit lines in the distribution order of the plurality of scan lines or the plurality of emission lines; or each scan line driver or each emission line driver cyclically controls a part of the circuit lines alternately.
It should be noted that the above method is also applicable to the multiplexing module control data line, the power module control first and second power lines, and the initialization module control initialization power line. In addition, in practical applications, the layouts of the various circuit lines, modules and corresponding vias in the above embodiments may also be rotated at the same time, for example, by 90 °, to meet different layout requirements.
In addition, as the display area of the display element is increased, the power consumption is increased, and in order to achieve the purpose of saving power of the display device, a memory may be integrated into a pixel unit of a screen panel by using a pixel latch technology structure, luminance information of each pixel unit of a screen may be directly written into the memory, and the power consumption of the display device is greatly reduced by reducing a refresh frequency and the like. However, due to the space limitation of the display area at present, it is difficult to integrate the memory into the pixel unit, and if the memory is forcibly integrated into the pixel unit, the display effect may be affected. Based on the idea of moving the target module onto the substrate below the display area provided by the embodiment of the present application, the memory can be disposed on the substrate.
Therefore, in one embodiment, the target module 104 further includes a memory module 1047 connected to the pixel unit 1033 through the first memory via 1053, as shown in fig. 10, the memory module 1047 is used for storing the brightness information of the pixel unit 1033 corresponding to the memory module 1047.
The memory module 1047 is connected to the pixel unit 1033 in the display area through the first memory via 1053, so that the purpose of power saving can be achieved, and the space of the display area is not occupied, and the display of the display area is not affected.
At this time, each memory module may be disposed at a position corresponding to each pixel unit in the display area, and the target module corresponding to each circuit line may be disposed at a position corresponding to each pixel unit in the display area, so that each target module and each memory module may be distributed on the same layer on the substrate, thereby realizing reasonable layout and further reducing the thickness of the display device.
In practical applications, in order to facilitate the memory module 1047 to store the luminance information, a second memory via 1054 may be additionally disposed, and the memory module 1047 is connected to the data line D connected to the pixel unit 1033 through the second memory via 1054. That is, two vias may be provided for each memory module, one via for connecting to a pixel cell and the other via for connecting to a data line. Since the memory module 1047 may be disposed on the substrate 101 together with the power module, the power module may be directly connected to the memory module 1047 on the substrate to supply power to the memory module 1047 for simplification of the process.
In addition, the embodiment of the application also provides electronic equipment, and the electronic equipment comprises a shell and any one of the display devices provided by the embodiment of the application. The display device reduces the number of modules arranged side by side with the display element to reduce the area ratio of the non-display area by arranging the target module in the insulating layer between the display substrate and the display element, thereby improving the screen ratio of the electronic equipment.
In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A display device is characterized by comprising a display substrate, an insulating layer and a display element which are sequentially stacked, wherein the insulating layer is arranged between the display substrate and the display element;
the display device further includes a target module disposed in the insulating layer, wherein the target module includes at least one of a driving control module, a power supply module, and a multiplexing module.
2. The display device according to claim 1, wherein the insulating layer has a via hole, and the target module is connected to the display element through the via hole.
3. The display device according to claim 2, wherein the display region of the display element includes at least two pixel units, and the via hole is provided between adjacent two pixel units.
4. The display device according to claim 2, wherein the insulating layer has the same number of vias as the number of modules included in the target modules, a position of one via corresponding to a position of one of the target modules, and the vias are filled with a conductive material.
5. The display device according to any one of claims 2 to 4, wherein the target module includes a driving control module including a scanning line driving control module and an emission line driving control module; the via holes comprise a scanning line via hole and a transmitting line via hole;
the scanning line driving control module is arranged between two opposite side surfaces of the display element, and each scanning line of the scanning line driving control module extends to the two opposite side surfaces of the display element through the scanning line via hole;
the emission line driving control module is arranged between two opposite side surfaces of the display element, and each emission line of the emission line driving control module extends to the two opposite side surfaces of the display element through the emission line through hole.
6. The display device according to claim 5, wherein the scanning line drive control module includes a first scanning line driver and a second scanning line driver; the emission line driving control module comprises a first emission line driver and a second emission line driver;
wherein one scanning line controlled by the second scanning line driver is arranged between any two adjacent scanning lines controlled by the first scanning line driver;
and one emission line controlled by the second emission line driver is arranged between any two adjacent emission lines controlled by the first emission line driver.
7. A display device as claimed in claim 5, characterised in that the display area of the display element comprises adjacent first and second display area portions;
the scanning line driving control module comprises a first scanning line driver and a second scanning line driver, and the emission line driving control module comprises a first emission line driver and a second emission line driver; the scanning line via hole comprises a first scanning line via hole and a second scanning line via hole, and the transmitting line via hole comprises a first transmitting line via hole and a second transmitting line via hole;
wherein the first scan line driver is disposed between two opposite side surfaces of the first display region part, and each scan line of the first scan line driver extends to the two opposite side surfaces of the first display region part via the first scan line via hole;
the second scan line driver is disposed between two opposite side surfaces of the second display area part, and each scan line of the second scan line driver extends to the two opposite side surfaces of the second display area part via the second scan line via hole;
wherein the first emission line driver is disposed between opposite side surfaces of the first display area part, and each emission line of the first emission line driver extends toward the opposite side surfaces of the first display area part via the first emission line via hole;
the second emission line driver is disposed between two opposite side surfaces of the second display area part, and each of the emission lines of the second emission line driver extends toward the two opposite side surfaces of the second display area part via the second emission line via hole.
8. The display device according to claim 7, wherein the first scan line driver and the second scan line driver are symmetrically disposed, and wherein the first emission line driver and the second emission line driver are symmetrically disposed.
9. The display device according to claim 3, wherein the target module further comprises a memory module connected to the pixel unit through the via, and the memory module is configured to store luminance information of the pixel unit corresponding to the memory module.
10. An electronic device, comprising:
a housing; and
a display device according to any one of claims 1 to 9.
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| CN202110081354.3A CN112837628A (en) | 2021-01-21 | 2021-01-21 | Display device and electronic apparatus |
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