CN111323953B - Display panel and display device - Google Patents

Display panel and display device Download PDF

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Publication number
CN111323953B
CN111323953B CN202010241097.0A CN202010241097A CN111323953B CN 111323953 B CN111323953 B CN 111323953B CN 202010241097 A CN202010241097 A CN 202010241097A CN 111323953 B CN111323953 B CN 111323953B
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Prior art keywords
display panel
light
emitting surface
induction
orthographic projection
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CN111323953A (en
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庄知龙
朱绎桦
黄建才
陈国照
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Xiamen Tianma Microelectronics Co Ltd
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Xiamen Tianma Microelectronics Co Ltd
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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/13338—Input devices, e.g. touch panels
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133512—Light shielding layers, e.g. black matrix
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136286—Wiring, e.g. gate line, drain line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/24—Inductive coupling
    • H04B5/26—Inductive coupling using coils
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • G02F1/134318—Electrodes characterised by their geometrical arrangement having a patterned common electrode

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The invention discloses a display panel and a display device, belonging to the technical field of display, wherein the display panel comprises a plurality of scanning lines, a plurality of data lines and a plurality of sub-pixels, and the scanning lines and the data lines are crossed and insulated to limit the area where the sub-pixels are located; the display panel also comprises a plurality of induction antennas, each induction antenna comprises a plurality of induction coils, and the orthographic projection of each induction coil to the light-emitting surface of the display panel covers the orthographic projection of the scanning line to the light-emitting surface of the display panel in the direction vertical to the light-emitting surface of the display panel; and/or the orthographic projection of the induction coil to the light-emitting surface of the display panel covers the orthographic projection of the data line to the light-emitting surface of the display panel. The display device comprises the display panel. The invention can avoid the influence of the arrangement of the induction coil on the aperture opening ratio of the display panel, can also reduce the influence of the magnetic flux induction of the scanning line and/or the data line on the induction coil to generate shielding attenuation, is favorable for enhancing the magnetic flux of the induction coil, and further increases the communication distance of the induction antenna.

Description

Display panel and display device
Technical Field
The present invention relates to the field of display technologies, and in particular, to a display panel and a display device.
Background
Near Field Communication (NFC) is a Near Field Communication technology, which allows contactless point-to-point data transmission (within ten centimeters) between electronic devices. The technology evolved from contactless Radio Frequency Identification (RFID) and is downward compatible with RFID, and is mainly used for providing M2M (Machine to Machine) communication in handheld devices such as mobile phones. Because the near field communication has natural security, the NFC technology is considered to have a great application prospect in the fields of mobile payment and the like. At present, NFC antennas on intelligent POS machines/intelligent mobile phones are all in plug-in design, payment and other NFC function application cards such as bus cards and access control cards are completed through near field communication with financial cards. NFC communication adopts a near field communication technology with a frequency band of 13.56MHz, the communication range is less than or equal to 10cm, and bidirectional data exchange can be realized within the range. If the NFC antenna is externally hung right above the smart POS device and is an NFC sensing area, the financial card exchanges data with the POS device through the NFC sensing area, and the same applies to the mobile phone.
NFC antenna among the prior art can integrated design inside display panel, but because most rete structures in the panel all are the conductor, can produce certain shielding decay's influence to the coil of NFC antenna, reduce NFC's communication distance can't cause inductive communication's effect even.
Therefore, it is an urgent technical problem to provide a display panel and a display device that can not only integrate a coil having an NFC near field communication induction function in a panel, but also reduce the influence of a panel structure on shielding attenuation caused by magnetic flux induction of the coil, thereby improving an NFC signal amount.
Disclosure of Invention
In view of this, the present invention provides a display panel and a display device, so as to solve the problem in the prior art that since most film structures in the panel are conductors, a certain shielding attenuation is generated on a coil of an NFC antenna, so that the communication distance of NFC is easily reduced, and even an inductive communication effect cannot be caused.
The invention discloses a display panel, comprising: the pixel structure comprises a plurality of scanning lines extending along a first direction, a plurality of data lines extending along a second direction, and a plurality of sub-pixels, wherein the scanning lines and the data lines are crossed and insulated to define a region where the sub-pixels are located; the display panel also comprises a plurality of induction antennas, each induction antenna comprises a plurality of induction coils, and the orthographic projection of each induction coil to the light-emitting surface of the display panel covers the orthographic projection of the scanning line to the light-emitting surface of the display panel in the direction vertical to the light-emitting surface of the display panel; and/or the orthographic projection of the induction coil to the light-emitting surface of the display panel covers the orthographic projection of the data line to the light-emitting surface of the display panel.
Based on the same inventive concept, the invention also discloses a display device, which comprises the display panel.
Compared with the prior art, the display panel and the display device provided by the invention at least realize the following beneficial effects:
the induction coil is arranged in the direction vertical to the light-emitting surface of the display panel, the orthographic projection of the induction coil to the light-emitting surface of the display panel covers the orthographic projection of the scanning line to the light-emitting surface of the display panel, or the orthographic projection of the induction coil to the light-emitting surface of the display panel covers the orthographic projection of the data line to the light-emitting surface of the display panel, or the orthographic projection of the induction coil to the light-emitting surface of the display panel covers both the orthographic projection of the scanning line to the light-emitting surface of the display panel and the orthographic projection of the data line to the light-emitting surface of the display panel, namely, at least part of the induction coil is positioned in the display area and is mutually overlapped with the data line or the scanning line part, so that the influence of the arrangement of the induction coil on the aperture ratio of the display panel can be avoided. And the orthographic projection of the induction coil to the light-emitting surface of the display panel covers the orthographic projection of the scanning line to the light-emitting surface of the display panel, and/or the orthographic projection of the induction coil to the light-emitting surface of the display panel covers the orthographic projection of the data line to the light-emitting surface of the display panel, and the shielding of the scanning line and/or the data line to the induction coil can be reduced, so that the influence of shielding attenuation generated by the magnetic flux induction of the scanning line and/or the data line to the induction coil is reduced, the magnetic flux of the induction coil is favorably enhanced, and the communication distance of the induction antenna is increased. Since the width of the induction coil is only increased to cover the scanning lines and/or the data lines, the design of the invention has very little influence on the display function and has high feasibility.
Of course, it is not necessary for any product in which the present invention is practiced to specifically achieve all of the above-described technical effects simultaneously.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic plan view of a display panel according to an embodiment of the present invention;
FIG. 2 is a schematic sectional view taken along line A-A' of FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along line B-B' of FIG. 1;
FIG. 4 is a schematic diagram illustrating the establishment of the energizing magnetic field of the induction coil according to the present embodiment;
FIG. 5 is a schematic diagram of a planar structure of another display panel according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a planar structure of another display panel according to an embodiment of the present invention;
FIG. 7 is a schematic cross-sectional view taken along line C-C' of FIG. 6;
FIG. 8 is a schematic diagram of a planar structure of another display panel according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of a planar structure of another display panel according to an embodiment of the present invention;
FIG. 10 is a schematic diagram of the current induced by the magnetic field after the induction coil of FIG. 9 is energized;
fig. 11 is a schematic plan view of another display panel according to an embodiment of the present invention;
FIG. 12 is a schematic diagram of the current induced by the magnetic field after the induction coil of FIG. 11 is energized;
fig. 13 is a schematic plan view of another display panel according to an embodiment of the present invention;
FIG. 14 is a schematic diagram of the current induced by the magnetic field after the induction coil of FIG. 13 is energized;
fig. 15 is a schematic plan view of another display panel according to an embodiment of the present invention;
FIG. 16 is a schematic diagram of the current induced by the magnetic field after the induction coil of FIG. 15 is energized;
FIG. 17 is a schematic partial cross-sectional view of the display panel of FIG. 1;
FIG. 18 is another schematic partial cross-sectional view of the display panel of FIG. 1;
FIG. 19 is another schematic partial cross-sectional view of the display panel of FIG. 1;
fig. 20 is a schematic structural diagram of a display device according to an embodiment of the present invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Referring to fig. 1 to fig. 3, fig. 1 is a schematic plan view of a display panel according to an embodiment of the present invention (for clarity, an overlapping relationship between an induction coil 201 and a scan line G/a data line S is illustrated, in fig. 1 of the present embodiment, transparency filling is performed on the scan line G and the data line S), fig. 2 is a schematic sectional view along a direction a-a 'in fig. 1, fig. 3 is a schematic sectional view along a direction B-B' in fig. 1, and a display panel 000 according to the present embodiment includes: the display panel comprises a plurality of scanning lines G extending along a first direction X, a plurality of data lines S extending along a second direction Y, and a plurality of sub-pixels 10, wherein the scanning lines G and the data lines S are crossed and insulated to define the area where the sub-pixels 10 are located; the display panel also comprises a plurality of induction antennas 20, each induction antenna 20 comprises a plurality of induction coils 201, and in the direction Z perpendicular to the light emergent surface of the display panel 000, the orthographic projection of the induction coils 201 to the light emergent surface of the display panel 000 covers the orthographic projection of the scanning lines G to the light emergent surface of the display panel 000; and/or the orthographic projection of the induction coil 201 to the light-emitting surface of the display panel 000 covers the orthographic projection of the data line S to the light-emitting surface of the display panel 000, that is, the width of the induction coil 201 in the direction parallel to the light-emitting surface of the display panel 000 is larger than the width of the scanning line G, and/or the width of the induction coil 201 in the direction parallel to the light-emitting surface of the display panel 000 is larger than the width of the data line S.
Specifically, the display panel 000 of the present embodiment integrates a plurality of induction antennas 20, each induction antenna 20 includes a plurality of induction coils 201 wound by a wire, that is, each induction antenna 20 of the present embodiment includes a plurality of induction coils 201 having an NFC near field communication induction function, it should be noted that fig. 1 of the present embodiment only illustrates two induction antennas 20 in the display panel 000 as an example for description, and in a specific implementation, the number of induction antennas 20 integrated in the display panel 000 may be multiple. As shown in fig. 4, fig. 4 is a schematic diagram illustrating the establishment of the energizing magnetic field of the induction coil 201 of this embodiment, the short-distance wireless communication is implemented by using the electromagnetic induction principle to induce the signal transmitting terminal M and the signal receiving terminal N, which has great effect in the aspects of card swiping and data transmission, generally, the number of windings of the induction coil 201 of each induction antenna 20 is four, and the area is 900-1600 mm 2 I.e. near field communication functionality can be achieved. According to the right-handed screw rule, after the induction coil 201 is energized with the current I, a corresponding annular magnetic field is established in the surrounding space, and the magnetic field direction K is shown in fig. 4. Since the display panel 000 generally includes the scanning lines G, the data lines S, the transparent conductive layer, and the like made of conductive materials, the film layers of most of the conductive structures in the display panel 000 may have a certain shielding attenuation effect on the induction coil 201, and it is likely that the NFC communication distance is reduced or even the induction communication function cannot be caused.
In this embodiment, the front projection of the induction coil 201 to the light-emitting surface of the display panel 000 covers the front projection of the scan line G to the light-emitting surface of the display panel 000, or the front projection of the induction coil 201 to the light-emitting surface of the display panel 000 covers the front projection of the data line S to the light-emitting surface of the display panel 000, or the front projection of the induction coil 201 to the light-emitting surface of the display panel 000 covers both the front projection of the scan line G to the light-emitting surface of the display panel 000 and the front projection of the data line S to the light-emitting surface of the display panel 000, because the induction coil 201 is at least partially located in the display area AA, the front projection of the induction coil 201 to the light-emitting surface of the display panel 000 and the front projection of the scan line G to the light-emitting surface of the display panel 000 at least partially overlap, and/or the front projection of the induction coil 201 to the light-emitting surface of the display panel 000 and the front projection of the data line S to the light-emitting surface of the display panel 000 at least partially overlap, the influence of the arrangement of the induction coil 201 on the aperture ratio of the display panel can be avoided. And the orthographic projection of the induction coil 201 to the light-emitting surface of the display panel 000 covers the orthographic projection of the scanning line G to the light-emitting surface of the display panel 000, and/or the orthographic projection of the induction coil 201 to the light-emitting surface of the display panel 000 covers the orthographic projection of the data line S to the light-emitting surface of the display panel 000 (as shown in fig. 2, it is also shown in fig. 2 that unfilled insulating layers are arranged between the film layer where the scanning line G is located, the film layer where the data line S is located and the film layer where the induction coil 201 is located), and the shielding of the scanning line G and/or the data line S on the induction coil 201 can be reduced, so as to reduce the influence of the magnetic flux induction of the scanning line G and/or the data line S on the induction coil 201 to generate shielding attenuation, which is beneficial to enhance the magnetic flux of the induction coil 201, thereby increasing the communication distance of the induction antenna 20. Moreover, since the width of the induction coil 201 is increased to cover the scan lines G and/or the data lines S, the design of the present embodiment has very little influence on the display function, and the feasibility is high.
It should be noted that fig. 1-3 of the present embodiment only schematically illustrate the winding manner of each induction coil 201 in the induction antenna 20, but not limited thereto, in the specific implementation, the winding manner of other coils may be selected, and only needs to satisfy that in the direction E perpendicular to the light exit surface of the display panel 000, the orthographic projection of the induction coil 201 to the light exit surface of the display panel 000 covers the orthographic projection of the scanning line G to the light exit surface of the display panel 000, and/or the orthographic projection of the induction coil 201 to the light exit surface of the display panel 000 covers the orthographic projection of the data line S to the light exit surface of the display panel 000. Fig. 1 to fig. 3 of the present embodiment only schematically show a plane structure and a cross-sectional structure of a display panel, and in specific implementation, the structure of the display panel is not limited thereto, and may also include other structures capable of implementing a display function, which can be specifically understood with reference to the structure of the display panel in the related art, and the present embodiment is not described herein again. It should be further noted that fig. 2 and fig. 3 of the present embodiment illustrate the positional relationship between the film layer where the sensing antenna 20 is located and the film layers where the scanning line G and the data line S are located, but not limited thereto, the film layer where the sensing antenna 20 is located may also be located between other film layers of the display panel 000, and only the requirement that the orthographic projection of the sensing coil 201 to the light exit surface of the display panel 000 covers the orthographic projection of the scanning line G to the light exit surface of the display panel 000 and/or the orthographic projection of the sensing coil 201 to the light exit surface of the display panel 000 covers the orthographic projection of the data line S to the light exit surface of the display panel 000 in the direction E perpendicular to the light exit surface of the display panel 000 is satisfied. For example, a metal film layer may be additionally added on one side of the array substrate to serve as the sensing antenna 20, and a transparent conductive layer may also be used on one side of the color film substrate to serve as the sensing antenna 20, which is not limited in this embodiment.
It can be understood that the display panel 000 of the embodiment may include a display area AA and a non-display area NA disposed around the display area AA, as shown in fig. 5, fig. 5 is a schematic plan view of another display panel according to the embodiment of the present invention, and the sensing antenna 20 may be partially located in the display area AA, and the rest is located in the non-display area NA, so as to reduce the area of the display area AA occupied by the sensing antenna 20, which is beneficial to improving the display effect.
In some optional embodiments, please refer to fig. 6 and 7, fig. 6 is a schematic plane structure diagram of another display panel provided in the embodiment of the present invention (for clarity, an overlapping relationship between the induction coil 201 and the common electrode layer 30 is illustrated, transparency filling is performed on the common electrode layer 30 in fig. 6 of the present embodiment), fig. 7 is a schematic cross-sectional structure diagram along the direction C-C' in fig. 6, in the present embodiment, the display panel 000 further includes the common electrode layer 30, and the common electrode layer 30 is provided with a plurality of slits 301.
The present embodiment further explains that the common electrode layers 30 of the display panels 000 generally include a common electrode layer 30 for providing a common voltage when the display panels 000 display, and the common electrode layers 30 of the display panels 000 generally are laid on the whole surface of the film layer structure of the display panels 000, and since the common electrode layers 30 are made of a transparent conductive material such as Indium tin oxide (ITO, abbreviation of Indium tin oxides, which is used as nano Indium tin metal oxide and has good conductivity and transparency), the common electrode layers 30 arranged on the whole surface cover the induction coil 201 of the induction antenna 20, and are also prone to have shielding attenuation effect on magnetic flux induction of the induction coil 201. Therefore, in the present embodiment, the plurality of slits 301 are formed in the common electrode layer 30, which facilitates transmission of the magnetic field lines J (as shown in fig. 7), increases the magnetic flux of the induction coil 201, and reduces the influence of the common electrode layer 30 on the induction coil 201 due to shielding attenuation.
It should be noted that fig. 7 of this embodiment only schematically illustrates the position relationship between the common electrode layer 30 and the film layers where the scanning line G is located and the data line S is located, that is, the common electrode layer may be disposed on one side of the array substrate as well as the scanning line G and the data line S, or may be disposed on one side of the color filter substrate, and only a plurality of slits 301 need to be disposed on the entire common electrode layer 30 to facilitate transmission of magnetic field lines, increase magnetic flux of the induction coil 201, and reduce the influence of shielding attenuation generated by the common electrode layer 30 on the induction coil 201, which is not specifically limited in this embodiment.
It should be further noted that, in this embodiment, the shape and the position of the notch 301 formed in the common electrode layer 30 are not specifically limited, and may be a long-strip-shaped notch as shown in fig. 6, or may be a notch with another shape, and the position of the notch 301 may be not overlapped with the induction coil 201 in the direction perpendicular to the light exit surface of the display panel 000 as shown in fig. 6, or may be partially overlapped or completely overlapped, and this embodiment is not specifically limited, and only needs to satisfy that the common electrode layer 30 is provided with a plurality of notches 301.
In some optional embodiments, please refer to fig. 6 and fig. 7, in this embodiment, the common electrode layer 30 includes at least one first area 30A and a second area 30B disposed around the first area 30A, a forward projection of the first area 30A to the light-emitting surface of the display panel 000 and a forward projection of the sensing antenna 20 to the light-emitting surface of the display panel 000 are overlapped, and the plurality of slits 301 are located in the first area 30A and the second area 30B.
The present embodiment further explains that in the direction perpendicular to the light emitting surface of the display panel 000, the common electrode layer 30 has a first region 30A overlapped with the sensing antenna 20, the common electrode layer 30 also has a second region 30B disposed around the first region 30A, and a plurality of slits 301 formed in the common electrode layer 30 include a slit located in the first region 30A and a slit located in the second region 30B, so that the range of the slits 301 formed in the common electrode layer 30 is wide enough, magnetic induction lines generated in the interior and the periphery of the sensing antenna 20 can pass through as much as possible, magnetic flux is further increased, the influence of shielding is reduced, and a better sensing communication function is achieved.
In the present embodiment, the distance between adjacent slits 301 on the common electrode layer 30 is not particularly limited, and may be set at equal intervals or unequal intervals, and may be set according to the winding manner and the winding distance of the induction coil 201.
In some optional embodiments, please refer to fig. 8, fig. 8 is a schematic plane structure diagram of another display panel according to an embodiment of the present invention (for clarity, an overlapping relationship between the induction coil 201 and the common electrode layer 30 is illustrated, the common electrode layer 30 is filled with transparency in fig. 8 of the present embodiment), in the present embodiment, the common electrode layer 30 includes at least one third area 30C, a forward projection of the third area 30C to the light-emitting surface of the display panel 000 and a forward projection of the induction antenna 20 to the light-emitting surface of the display panel 000 are overlapped with each other, and the plurality of slits 301 are located in the third area 30C.
The present embodiment further explains that in the direction perpendicular to the light emitting surface of the display panel 000, the common electrode layer 30 has a third region 30C overlapped with the sensing antenna 20, and the plurality of slits 301 formed in the common electrode layer 30 are all located in the third region 30C, that is, the slits 301 are not formed in the region of the common electrode layer 30 other than the sensing antenna 20, so that the magnetic induction lines generated inside and around the sensing antenna 20 can pass through the slits 301, and at the same time, the situation that the display function of the display panel 000 is possibly affected due to the excessive number of the slits 301 can be avoided.
In some optional embodiments, please refer to fig. 9, fig. 9 is a schematic plan view of another display panel according to an embodiment of the present invention (for clearly illustrating an overlapping relationship between the induction coil 201 and the common electrode layer 30, the common electrode layer 30 is filled with transparency in fig. 9 of the present embodiment), in the present embodiment, the common electrode layer 30 is reused as the touch electrode layer 40, the touch electrode layer 40 includes a plurality of touch electrode blocks 401 arranged in an array, and slits 301 are formed between adjacent touch electrode blocks 401.
The present embodiment further explains that the display panel 000 may further include a touch electrode layer 40 for implementing a touch function of the display panel, and the common electrode layer 30 is reused as the touch electrode layer 40, because the touch electrode layer 40 includes a plurality of touch electrode blocks 401 arranged in an array, a gap may exist between any adjacent touch electrode blocks 401, and the gap may be a notch 301 formed on the common electrode layer 30 in this embodiment. The display panel 000 of the embodiment implements a touch function through the touch electrode blocks 401 arranged in the plurality of arrays of the touch electrode layer 40, and can pass through the slits 301 formed between any adjacent touch electrode blocks 401 in the touch electrode blocks 401 arranged in the arrays, without additionally forming the slits 301 on the common electrode layer 30, which is beneficial to simplifying a manufacturing process, so that magnetic induction lines generated by the induction antenna 20 can pass through, thereby increasing magnetic flux while implementing the touch function, reducing the influence of shielding, and implementing a better induction communication function.
It should be noted that, in the present embodiment, how the touch function is implemented by the touch electrode blocks 401 arranged in the plurality of arrays in the display panel is not particularly limited, and the description of the touch function in the related art may be specifically referred to for understanding.
In some optional embodiments, please refer to fig. 9 and 10, fig. 10 is a schematic diagram of a current I0 induced by the magnetic field after the induction coil 201 of fig. 9 is powered on, in this embodiment, the induction antenna 20 includes a middle area 20A and a coil body area 20B disposed around the middle area 20A, and a forward projection of the induction coil 201 to the light-emitting surface of the display panel 000 is located in a forward projection range of the coil body area 20B to the light-emitting surface of the display panel 000;
at least part of the slits 301 overlap the middle area 20A in a direction perpendicular to the light-emitting surface of the display panel.
The present embodiment further explains that the display panel 000 may further include a touch electrode layer 40 for implementing a touch function of the display panel, and the common electrode layer 30 is reused as the touch electrode layer 40, because the touch electrode layer 40 includes a plurality of touch electrode blocks 401 arranged in an array, a gap may exist between any adjacent touch electrode blocks 401, and the gap may be a notch 301 formed on the common electrode layer 30 in this embodiment. The display panel 000 of the embodiment implements a touch function through the touch electrode blocks 401 arranged in the plurality of arrays of the touch electrode layer 40, and can pass through the slits 301 formed between any adjacent touch electrode blocks 401 in the touch electrode blocks 401 arranged in the arrays, without additionally forming the slits 301 on the common electrode layer 30, which is beneficial to simplifying a manufacturing process, so that magnetic induction lines generated by the induction antenna 20 can pass through, thereby increasing magnetic flux while implementing the touch function, reducing the influence of shielding, and implementing a better induction communication function. In addition, in the present embodiment, each induction antenna 20 is divided into a middle area 20A and a coil body area 20B disposed around the middle area 20A, a forward projection of the induction coil 201 to the light-emitting surface of the display panel 000 is located in a forward projection range of the coil body area 20B to the light-emitting surface of the display panel 000, the coil body area 20B is an area where the plurality of induction coils 201 are located, and the middle area 20A is an area where the plurality of induction coils 201 are wound to form a middle non-induction coil 201. In the embodiment, the notch 301 is disposed in a direction perpendicular to the light emitting surface of the display panel, and at least a portion of the notch 301 overlaps the middle area 20A, that is, an area of the middle area without the induction coil 201 formed by winding the plurality of induction coils 201 overlaps at least a portion of the notch 301, so that the current I0 induced by the magnetic field of the induction antenna 20 is cut off by the notch 301 (as shown in fig. 10), which is beneficial to reducing power loss.
In some optional embodiments, please refer to fig. 11-16, fig. 11 is a schematic plane structure diagram of another display panel provided in an embodiment of the present invention, fig. 12 is a schematic plane structure diagram of a current I0 induced by a magnetic field after the induction coil 201 in fig. 11 is energized, fig. 13 is a schematic plane structure diagram of another display panel provided in an embodiment of the present invention, fig. 14 is a schematic plane structure diagram of a current I0 induced by a magnetic field after the induction coil 201 in fig. 13 is energized, fig. 15 is a schematic plane structure diagram of another display panel provided in an embodiment of the present invention, fig. 16 is a schematic plane structure diagram of a current I0 induced by a magnetic field after the induction coil 201 in fig. 15 is energized, the induction coils 201 in fig. 11, fig. 13, and fig. 15 are all of a square structure, then a middle area 20A of a middle non-induction coil 201 formed after a plurality of induction coils 201 are wound is also of a regular pattern, a boundary of adjacent touch electrode blocks 401 is located in a middle area 20A of the induction antenna 20, as shown in fig. 11, a plurality of touch electrode blocks 401 are arranged in an array, and an intersection point of the slits 301 formed by four adjacent touch electrode blocks 401 in the upper and lower rows is located at the right center of the middle area 20A; as another example in fig. 13, the notch 301 formed between two adjacent touch electrode blocks 401 passes through the center of the middle area 20A; as shown in fig. 15, the touch electrode blocks 401 are diamond-shaped, the plurality of touch electrode blocks 401 are arranged in an array, and the intersection point of the slits 301 formed by four adjacent touch electrode blocks 401 is located at the center of the middle area 20A, in the above structure, because the magnetic induction intensity of the center of the induction antenna 20 (when the induction coils 201 are all in a square structure, and the middle area 20A of the middle non-induction coil 201 formed after the plurality of induction coils 201 are wound is also in a regular pattern, the center of the induction antenna 20 is the center of the middle area 20A) is strongest, the slit 301 is disposed at the center of the induction antenna 20, the effect of blocking the induction current is the best, and the power loss can be further reduced.
In some optional embodiments, please refer to fig. 1, 17, 18, and 19 in combination, where fig. 17 is a schematic partial cross-sectional view of the display panel in fig. 1, fig. 18 is a schematic partial cross-sectional view of the display panel in fig. 1, and fig. 19 is a schematic partial cross-sectional view of the display panel in fig. 1, in this embodiment, the display panel 000 includes an array substrate 50 and a color filter substrate 60 that are disposed opposite to each other, and the sensing antenna 20 is integrated in the array substrate 50, or the sensing antenna 20 is integrated in the color filter substrate 60, or the sensing antenna 20 is integrated on a side of the color filter substrate 60 away from the array substrate 50.
The embodiment further explains that the display panel 000 may include an array substrate 50 and a color filter substrate 60 which are oppositely disposed, a liquid crystal layer 80 may be disposed between the array substrate 50 and the color filter substrate 60, and may further include a pixel electrode 70 made of a transparent conductive material, and the film layer where the sensing antenna 20 is located may be integrally disposed in the array substrate 50, similar to an in-cell integration manner, at this time, if the common electrode layer 30 is also located on one side of the array substrate 50, in a direction Z perpendicular to a light-emitting surface of the display panel 000, the common electrode layer 30 is located on one side of the film layer where the sensing antenna 20 is located, which is far away from the film layer M1 where the scanning line G is located or the film layer M2 where the data line S is located (as shown in fig. 17), and at this time, the manufacturing material of the sensing antenna 20 may be a metal conductive material.
The film layer where the sensing antenna 20 is located may also be integrally disposed in the color filter substrate 60, at this time, the color filter substrate 60 may include a black matrix 601 and a plurality of color resistors 602 defined by the black matrix 601, in a direction Z perpendicular to the light exit surface of the display panel 000, the film layer where the sensing antenna 20 is located on one side of the film layer where the black matrix 601 is located, which is close to the array substrate 50 (as shown in fig. 18), and at this time, the manufacturing material of the sensing antenna 20 may be a transparent conductive material, so as to improve the aperture ratio of the display panel.
The film layer where the sensing antenna 20 is located may also be integrally disposed on a side of the color film substrate 60 away from the array substrate 50, that is, the film layer where the sensing antenna 20 is located above the color film substrate 60 (as shown in fig. 19), similar to an on-cell integration manner.
This embodiment explains the position of the film layer in the display panel 000 that the inductive antenna 20 can be disposed, so that the magnetic flux of the inductive coil 201 can be enhanced without affecting the display function, thereby increasing the communication distance of the inductive antenna 20 and realizing a better inductive communication function.
It should be noted that fig. 17-19 of this embodiment schematically illustrate the film structure of the display panel 000 only for explaining the positions of the films where the sensing antenna 20 can be disposed, but are not limited to the structures in the drawings, and may also include other structures capable of implementing the display function of the display panel, and specifically, the structure of the display panel in the related art may be referred to for understanding.
In some alternative embodiments, please refer to fig. 20, where fig. 20 is a schematic structural diagram of a display device according to an embodiment of the present invention, and the display device 111 according to this embodiment includes the display panel 000 according to the above embodiment of the present invention. The embodiment of fig. 20 is only an example of a mobile phone, and the display device 111 is described, it is understood that the display device 111 provided in the embodiment of the present invention may be another display device 111 having a display function, such as a computer, a television, a vehicle-mounted display device, and an intelligent POS device, and the present invention is not limited thereto. The display device 111 provided in the embodiment of the present invention has the beneficial effects of the display panel 000 provided in the embodiment of the present invention, and specific reference may be made to the specific description of the display panel 000 in each embodiment described above, and this embodiment is not described herein again.
As can be seen from the above embodiments, the display panel and the display device provided by the present invention at least achieve the following beneficial effects:
the induction coil is arranged in the direction vertical to the light-emitting surface of the display panel, the orthographic projection of the induction coil to the light-emitting surface of the display panel covers the orthographic projection of the scanning line to the light-emitting surface of the display panel, or the orthographic projection of the induction coil to the light-emitting surface of the display panel covers the orthographic projection of the data line to the light-emitting surface of the display panel, or the orthographic projection of the induction coil to the light-emitting surface of the display panel covers both the orthographic projection of the scanning line to the light-emitting surface of the display panel and the orthographic projection of the data line to the light-emitting surface of the display panel, namely, at least part of the induction coil is positioned in the display area and is mutually overlapped with the data line or the scanning line part, so that the influence of the arrangement of the induction coil on the aperture ratio of the display panel can be avoided. And the orthographic projection of the induction coil to the light-emitting surface of the display panel covers the orthographic projection of the scanning line to the light-emitting surface of the display panel, and/or the orthographic projection of the induction coil to the light-emitting surface of the display panel covers the orthographic projection of the data line to the light-emitting surface of the display panel, and the shielding of the scanning line and/or the data line to the induction coil can be reduced, so that the influence of shielding attenuation generated by the magnetic flux induction of the scanning line and/or the data line to the induction coil is reduced, the magnetic flux of the induction coil is favorably enhanced, and the communication distance of the induction antenna is increased. Since the width of the induction coil is only increased to cover the scanning lines and/or the data lines, the design of the invention has very little influence on the display function and has high feasibility.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims (6)

1. A display panel, comprising: the pixel structure comprises a plurality of scanning lines extending along a first direction, a plurality of data lines extending along a second direction, and a plurality of sub-pixels, wherein the scanning lines and the data lines are crossed and insulated to define a region where the sub-pixels are located;
the display panel further comprises a plurality of induction antennas, each induction antenna comprises a plurality of induction coils, and the orthographic projection of each induction coil to the light-emitting surface of the display panel covers the orthographic projection of the scanning line to the light-emitting surface of the display panel in the direction perpendicular to the light-emitting surface of the display panel;
and/or the orthographic projection of the induction coil to the light-emitting surface of the display panel covers the orthographic projection of the data line to the light-emitting surface of the display panel;
the solar cell further comprises a common electrode layer, wherein the common electrode layer is provided with a plurality of notches;
the common electrode layer comprises at least one first area and a second area arranged around the first area, the orthographic projection of the first area to the light-emitting surface of the display panel and the orthographic projection of the induction antenna to the light-emitting surface of the display panel are mutually overlapped, and the plurality of notches are positioned in the first area and the second area;
or, the common electrode layer includes at least one third region, the orthographic projection of the third region to the light-emitting surface of the display panel and the orthographic projection of the induction antenna to the light-emitting surface of the display panel are overlapped, and the plurality of notches are located in the third region;
or, the common electrode layer is reused as a touch electrode layer, the touch electrode layer comprises a plurality of touch electrode blocks arranged in an array, and the notch is formed between the adjacent touch electrode blocks.
2. The display panel according to claim 1, wherein when the common electrode layer is reused as a touch electrode layer, the induction antenna comprises a middle area and a coil body area surrounding the middle area, and an orthographic projection of the induction coil to the light-emitting surface of the display panel is located within an orthographic projection range of the coil body area to the light-emitting surface of the display panel;
at least part of the notch overlaps the middle area in the direction perpendicular to the light emergent surface of the display panel.
3. The display panel of claim 1, wherein the display panel comprises an array substrate and a color film substrate which are arranged oppositely, and the sensing antenna is integrated in the array substrate, or the sensing antenna is integrated in the color film substrate, or the sensing antenna is integrated on one side of the color film substrate, which is far away from the array substrate.
4. The display panel of claim 3, wherein when the sensing antenna is integrated in the array substrate, the common electrode layer is located in the array substrate, and in a direction perpendicular to a light emitting surface of the display panel, the common electrode layer is located on a side of the film layer where the sensing antenna is located away from the film layer where the scanning line or the data line is located.
5. The display panel of claim 3, wherein when the sensing antenna is integrated in the color filter substrate, the color filter substrate includes a black matrix and a plurality of color resistors defined by the black matrix;
in the direction perpendicular to the light emitting surface of the display panel, the film layer where the induction antenna is located on one side, close to the array substrate, of the film layer where the black matrix is located.
6. A display device characterized by comprising the display panel according to any one of claims 1 to 5.
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