CN108983506B - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN108983506B CN108983506B CN201810804601.6A CN201810804601A CN108983506B CN 108983506 B CN108983506 B CN 108983506B CN 201810804601 A CN201810804601 A CN 201810804601A CN 108983506 B CN108983506 B CN 108983506B
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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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
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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
-
- 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
- G02F1/133528—Polarisers
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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
- G02F1/136—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
-
- 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
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
Abstract
The invention discloses a display panel and a display device, which belong to the technical field of display and comprise: the liquid crystal display panel comprises a first substrate, a second substrate, a liquid crystal layer and an annular sealing part, wherein the liquid crystal layer and the annular sealing part are clamped between the first substrate and the second substrate; the first substrate comprises a first substrate, a plurality of scanning lines, a plurality of data lines and a plurality of thin film transistors, and the second substrate comprises a second substrate, a color film and a black matrix; the display panel comprises a transparent area, and the transparent area is positioned in the area where the annular sealing part is positioned; the transparent area comprises a part of first substrate, a part of second substrate and a part of liquid crystal layer, and the transparent area is not provided with scanning lines, data lines, thin film transistors, color films and black matrixes. Compared with the prior art, the manufacturing cost is reduced, and the process difficulty is reduced.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a display panel and a display device.
Background
With the development of the prior art, in addition to the demand of consumers for display quality, the demand of consumers for narrow frames of display devices is also increasing.
Referring to fig. 1, fig. 1 is a schematic plan view of a display panel provided in the prior art. In the manufacturing process of the display panel provided by the prior art, the display panel needs to be cut by laser to form the hollow portion 002, and the hollow portion 002 is used for storing electronic elements such as the camera 04. Accordingly, the display area 001 is shaped.
Because the heat affected zone of the laser is large, the hollowed-out portion 002 cannot be directly manufactured through laser cutting, waste materials in the area where the hollowed-out portion 002 is located are stripped after the laser cutting is needed, then the edge of the hollowed-out portion 002 is ground to the width of a target frame, the manufacturing process is complex, the manufacturing cost of the display panel is improved, and the manufacturing efficiency of the display panel is reduced.
In addition, the shape of the sealant 004 in the display panel needs to adapt to the shape of the hollow portion 002, and the shape of the sealant 004 at the position of the hollow portion 002 is complex, so that the difficulty of the process for manufacturing the display panel is further increased, the manufacturing cost of the display panel is further increased, and the manufacturing efficiency of the display panel is reduced.
Disclosure of Invention
In view of the foregoing, the present invention provides a display panel and a display device.
The present invention provides a display panel, comprising: the liquid crystal display panel comprises a first substrate, a second substrate, a liquid crystal layer and an annular sealing part, wherein the liquid crystal layer and the annular sealing part are clamped between the first substrate and the second substrate; the first substrate comprises a first substrate, a plurality of scanning lines, a plurality of data lines and a plurality of thin film transistors, and the second substrate comprises a second substrate, a color film and a black matrix; the display panel comprises a transparent area, and the transparent area is positioned in the area where the annular sealing part is positioned; the transparent area comprises a part of first substrate, a part of second substrate and a part of liquid crystal layer, and the transparent area is not provided with scanning lines, data lines, thin film transistors, color films and black matrixes.
The invention also provides a display device which comprises the display panel and an electronic element.
Compared with the prior art, the display panel and the display device provided by the invention at least realize the following beneficial effects:
when the display panel provided by the invention is applied to a display device of a terminal, optical elements such as a camera can be arranged at the position corresponding to the transparent area. The display panel is not required to be cut and ground, so that the manufacturing cost of the display panel is reduced, and the manufacturing efficiency of the display panel is improved.
The shape of annular sealing portion is more regular, for the shape of fillet rectangle, and for prior art, the preparation simple process of annular sealing portion has further reduced display panel's cost of manufacture, has improved display panel's preparation efficiency.
The transparent area comprises a part of the first substrate and a part of the second substrate, and a part of the liquid crystal layer is reserved, and the liquid crystal layer is filled between the first substrate and the second substrate, so that the refraction and reflection effects of light when the light passes through the first substrate and the second substrate are weakened, and the light transmittance is further improved.
Of course, it is not necessary for any product in which the present invention is practiced to 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 provided in the prior art;
fig. 2 is a schematic plan view of a display panel according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view taken along line BB' of FIG. 2;
FIG. 4 is a partial schematic view of the first substrate in the area A of FIG. 2;
FIG. 5 is a partial structural view of the second substrate in the area A of FIG. 2;
FIG. 6 is a schematic cross-sectional view of another display panel according to an embodiment of the present invention;
fig. 7 is an enlarged schematic view of the thin film transistor of fig. 6;
FIG. 8 is a schematic cross-sectional view illustrating another display panel according to an embodiment of the present invention;
fig. 9 is a schematic plan view illustrating a display panel according to another embodiment of the present invention;
fig. 10 is a schematic plan view 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. 2, fig. 3, fig. 4 and fig. 5, fig. 2 is a schematic plan view of a display panel according to an embodiment of the present invention, and fig. 3 is a schematic cross-sectional view along line BB' of fig. 2; FIG. 4 is a partial schematic view of the first substrate in the area A of FIG. 2; fig. 5 is a partial structural diagram of the second substrate in the area a in fig. 2.
The present embodiment provides a display panel including: the liquid crystal display panel comprises a first substrate 10, a second substrate 20, a liquid crystal layer 30 and an annular sealing part 40, wherein the liquid crystal layer 30 and the annular sealing part 40 are clamped between the first substrate 10 and the second substrate 20, the first substrate 10, the second substrate 20 and the annular sealing part 40 form an accommodating space, and the liquid crystal layer 30 is located in the accommodating space;
the first substrate 10 includes a first substrate 11, a plurality of scan lines 12, a plurality of data lines 13, and a plurality of thin film transistors 14, and the second substrate 20 includes a second substrate 21, a color film 22, and a black matrix 23;
the display panel includes a transparent region 50, the transparent region 50 being located inside an area where the annular sealing portion 40 is located; the transparent region 50 includes a portion of the first substrate 11, a portion of the second substrate 21, and a portion of the liquid crystal layer 30, and the transparent region 50 is not provided with the scan line 12, the data line 13, the thin film transistor 14, the color film 22, and the black matrix 23.
In this embodiment, the first substrate 10 includes a first substrate 11, and the first substrate 11 may be rigid, for example, made of glass, or flexible, for example, made of resin, which is not particularly limited in this embodiment. A plurality of scan lines 12, a plurality of data lines 13, and a plurality of thin film transistors 14 are disposed on the first substrate 11. Alternatively, the extending direction of the scan line 12 and the extending direction of the data line 13 are perpendicular to each other. Optionally, the first substrate 10 further includes a plurality of pixel electrodes 15. The gate electrode of the thin film transistor 14 is electrically connected to the scanning line 12, the source electrode is electrically connected to the data line 13, and the drain electrode is electrically connected to the pixel electrode 15.
The second substrate includes a second substrate 21, and the second substrate 21 may be rigid, for example, made of glass, or flexible, for example, made of resin, which is not particularly limited in this embodiment. The color film 22 and the black matrix 23 are both provided on the second substrate 21. Optionally, the whole black matrix 23 is set to be mesh-shaped, the color film 22 is located in the mesh-shaped through hole region, the color film 22 may be set to be block-shaped, each color film 22 is distributed in the mesh-shaped through hole region, or may be set to be strip-shaped, and each color film 22 covers a plurality of mesh-shaped through hole regions. The black matrix 23 can shield light leakage between pixels and improve contrast, thereby avoiding color mixing. The black matrix 23 is typically made of a black opaque material.
The annular sealing part 40 is used for attaching the first substrate 10 and the second substrate 20, and the liquid crystal layer 30 is sealed in the accommodating space formed by the annular sealing part 40, the first substrate 10 and the second substrate 20. Optionally, the material of the annular sealing portion 40 may be optical adhesive, which has the advantages of being colorless and transparent, having a light transmittance of more than 90%, having good adhesive strength, and the like, and can be cured at room temperature or at intermediate temperature, and has the characteristics of small curing shrinkage, and the like. Optionally, the material of the annular sealing portion 40 includes glass cement, and the components of the glass cement include sodium silicate, acetic acid, and organic silicone.
The display panel provided by the embodiment is provided with the transparent area 50, and the transparent area 50 has high light transmittance and is transparent to human eyes visually. Therefore, the display panel provided by the present embodiment can be applied to a specific display device, and can dispose optical elements such as a camera at a position corresponding to the transparent region 50, and the transparent region 50 has high light transmittance and can satisfy the operating conditions of the optical elements such as the camera.
Specifically, the transparent region 50 is located inside the region where the annular sealing portion 40 is located, and since the liquid crystal layer 30 is sealed in the accommodating space formed by the annular sealing portion 40, the first substrate 10 and the second substrate 20, there is a portion of the liquid crystal layer 30 located in the transparent region 50. In order to provide transparent region 50 with a high light transmission. The transparent region includes a portion of the first substrate 11, a portion of the second substrate 21, and a portion of the liquid crystal layer 30, and optionally, a material with high light transmittance, such as glass, transparent resin, or the like, is used for the material of the first substrate 11 and the second substrate 21. In addition, in order to further improve the light transmittance of the transparent region 50, the scan line 12, the data line 13, the thin film transistor 14, the color film 22 and the black matrix 23 are not disposed in the transparent region 50, because the scan line 12, the data line 13 and the thin film transistor 14 usually include opaque metal materials, the color film 22 has a light filtering effect, and the black matrix 23 has a light shielding effect, which all affect the light transmittance. In addition, it will be appreciated by those skilled in the art that opaque components should be avoided in the transparent region 50.
In this embodiment, the display panel is provided with a transparent region with high light transmittance, and when the display panel provided by this embodiment is applied to a display device of a terminal, an optical element such as a camera may be disposed at a position corresponding to the transparent region. The display panel provided by the embodiment at least has the following beneficial effects:
1. compared with the prior art, the cutting and grinding of the display panel are not needed, the manufacturing cost of the display panel is reduced, and the manufacturing efficiency of the display panel is improved.
2. In the display panel that this embodiment provided, the shape of annular sealing portion is more regular, for the shape of fillet rectangle, and for prior art, the preparation simple process of annular sealing portion has further reduced display panel's cost of manufacture, has improved display panel's preparation efficiency.
3. In the display panel provided by this embodiment, the transparent region includes a portion of the first substrate and a portion of the second substrate, and a portion of the liquid crystal layer remains, and the liquid crystal layer is filled between the first substrate and the second substrate, so as to reduce the refraction and reflection effects of light when the light passes through the first substrate and the second substrate, and further improve the light transmittance.
In some alternative embodiments, referring to fig. 2, the first substrate 10 includes at least one insulating layer 60, for example, an insulating layer 60A, an insulating layer 60B, and an insulating layer 60C. The first substrate 10 is usually provided with an insulating layer 60, and the insulating layer 60 may be made of an inorganic material or an organic material. Optionally, the insulating layer 60 should be made of a transparent material with a high light transmittance, so as to reduce the influence of the insulating layer 60 on the light transmittance of the transparent region 50, and further improve the light transmittance of the transparent region 50.
Alternatively, referring to fig. 6 and 7, fig. 7 is an enlarged schematic structural diagram of the thin film transistor in fig. 6. In this embodiment, the first substrate 10 includes at least one insulating layer 60, and no insulating layer 60 is disposed in the transparent region 50. For example, the insulating layer 60 may be an insulating layer 60A, an insulating layer 60B, and an insulating layer 60C. The insulating layer 60 reduces light transmittance, and thus, the insulating layer 60 is not disposed in the transparent region 50. In the process of manufacturing the display panel, the insulating layer 60 of the transparent region 50 may be removed using a patterning process, thereby further improving the light transmittance in the transparent region 50.
In some alternative embodiments, with continued reference to fig. 6 and fig. 7, in the present embodiment, the thin film transistor 14 includes a semiconductor portion 140, a gate 141, a source electrode 142, and a drain electrode 143, and the source electrode 142 and the drain electrode 143 are located in the same film layer; a gate insulating layer 60A is provided between the gate electrode 141 and the semiconductor portion 140, and a planarization layer 60C is provided on a surface of the drain electrode 143 on a side away from the first substrate 11; the at least one insulating layer 60 includes a gate insulating layer 60A and a planarization layer 60C. Optionally, an interlayer insulating layer 60B is disposed between the gate electrode 141 and the drain electrode 143. The at least one insulating layer 60 further includes an interlayer insulating layer 60B. In this embodiment, the gate insulating layer 60A and the interlayer insulating layer 60B are not disposed in the transparent region 50, and optionally, the interlayer insulating layer 60B is not disposed in the transparent region 50, so as to further improve the light transmittance in the transparent region 50.
In some optional embodiments, please refer to fig. 8, fig. 8 is a schematic cross-sectional structure diagram of another display panel provided in the embodiments of the present invention. The display panel comprises an upper polarizer 71 and a lower polarizer 72, wherein the upper polarizer 71 is located on one side of the second substrate 20 departing from the first substrate 10, and the lower polarizer 72 is located on one side of the first substrate 10 departing from the second substrate 20; the upper polarizer 71 and the lower polarizer 72 are not disposed in the transparent area 50.
The display panel provided in this embodiment is a liquid crystal display panel, and includes two polarizers, namely an upper polarizer 71 and a lower polarizer 72.
The polarizer may control the polarization direction of a particular beam. When natural light passes through the polarizer, light with the vibration direction perpendicular to the transmission axis of the polarizer is absorbed, and only polarized light with the vibration direction parallel to the transmission axis of the polarizer is left in the transmitted light. In the lcd panel, the lower polarizer 72 is used to convert the light beam generated by the backlight into polarized light, and the upper polarizer 71 is used to analyze the polarized light after being electrically modulated by the liquid crystal to generate contrast, thereby generating a display image. The imaging of the liquid crystal display panel must depend on polarized light, and the liquid crystal display panel cannot display images without any polarizer.
Since the polarizer has the function of absorbing specific light, the upper polarizer 71 and the lower polarizer 72 are not disposed in the transparent area 50, thereby further increasing the light transmittance in the transparent area 50.
It should be noted that, in the display panel provided by each embodiment of the present invention, there may be various specific arrangements of the shapes and the positions of the transparent regions, and the present invention is described herein below with reference to specific arrangements of the transparent regions.
Please refer to fig. 2 for a specific arrangement of the transparent region; the display panel includes a display area AA and a first non-display area NA disposed around the display area AA, and the annular sealing part 40 is located in the first non-display area NA. Optionally, an edge AA1 of display area AA is recessed toward the interior of the display area to form a recessed area 80, and transparent area 50 is located in recessed area 80. In this embodiment, the outline of the display area AA is irregular, and the transparent area is located adjacent to a section of the edge AA1 of the display area AA.
Referring to fig. 9, fig. 9 is a schematic plan view of another display panel according to an embodiment of the present invention, in which a display area AA is disposed around a transparent area 50. Optionally, the transparent region 50 is a triangle, a circle, a quadrangle, or a polygon with more than five sides. In the present embodiment, only the transparent region 50 is illustrated as a circle. Those skilled in the art can understand that the specific shape of the transparent region may be set according to the design requirement of the display panel in practical application, and the shapes of the transparent regions may be various, which is not described herein again.
Referring to fig. 10, fig. 10 is a schematic plan view of a display device provided in an embodiment of the present invention, and a display device 1000 provided in the embodiment includes a display panel 100 provided in the present invention and an electronic component 90; the electronic element 90 is located in the transparent region 50 in a direction perpendicular to the display panel 100. The embodiment of fig. 10 is only an example of a mobile phone, and the display device 1000 is described, but it should be understood that the display device provided in the embodiment of the present invention may be other display devices with a display function, such as a computer, a television, and a vehicle-mounted display device, and the present invention is not limited thereto. The display device provided in the embodiment of the present invention has the beneficial effects of the display panel provided in the embodiment of the present invention, and specific reference may be made to the specific description of the display panel in each of the above embodiments, which is not repeated herein.
Optionally, with continued reference to fig. 10, the electronic component 90 includes a front-facing camera 91 and/or an optical sensor 92. Wherein the optical sensor 92 may convert the optical signal into an electrical signal.
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:
when the display panel provided by the invention is applied to a display device of a terminal, optical elements such as a camera can be arranged at the position corresponding to the transparent area. The display panel is not required to be cut and ground, so that the manufacturing cost of the display panel is reduced, and the manufacturing efficiency of the display panel is improved.
The shape of annular sealing portion is more regular, for the shape of fillet rectangle, and for prior art, the preparation simple process of annular sealing portion has further reduced display panel's cost of manufacture, has improved display panel's preparation efficiency.
The transparent area comprises a part of the first substrate and a part of the second substrate, and a part of the liquid crystal layer is reserved, and the liquid crystal layer is filled between the first substrate and the second substrate, so that the refraction and reflection effects of light when the light passes through the first substrate and the second substrate are weakened, and the light transmittance is further improved.
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 (9)
1. A display panel, comprising:
the liquid crystal display panel comprises a first substrate, a second substrate, a liquid crystal layer and an annular sealing part, wherein the liquid crystal layer and the annular sealing part are clamped between the first substrate and the second substrate, the first substrate, the second substrate and the annular sealing part form an accommodating space, and the liquid crystal layer is positioned in the accommodating space;
the first substrate comprises a first substrate, a plurality of scanning lines, a plurality of data lines and a plurality of thin film transistors, and the second substrate comprises a second substrate, a color film and a black matrix;
the display panel comprises a transparent area, and the transparent area is positioned in the area where the annular sealing part is positioned;
the transparent area comprises a part of the first substrate, a part of the second substrate and a part of the liquid crystal layer, and the scanning line, the data line, the thin film transistor, the color film and the black matrix are not arranged in the transparent area;
the first substrate comprises at least one insulating layer, and any insulating layer is not arranged in the transparent area;
the material of the annular sealing part is optical cement, and the optical cement is colorless and transparent, and the light transmittance is greater than 90%.
2. The display panel according to claim 1,
the thin film transistor comprises a semiconductor part, a grid electrode, a source electrode and a drain electrode, wherein the source electrode and the drain electrode are positioned on the same film layer;
a grid insulating layer is arranged between the grid and the semiconductor part, and a planarization layer is arranged on the surface of one side of the drain electrode, which is far away from the first substrate; the at least one insulating layer includes the gate insulating layer and the planarization layer.
3. The display panel according to claim 1,
the display panel comprises an upper polarizer and a lower polarizer, the upper polarizer is positioned on one side of the second substrate, which is far away from the first substrate, and the lower polarizer is positioned on one side of the first substrate, which is far away from the second substrate;
the upper polarizer and the lower polarizer are not arranged in the transparent area.
4. The display panel according to claim 1,
the display panel comprises a display area and a first non-display area, the first non-display area is arranged around the display area, and the annular sealing portion is located in the first non-display area.
5. The display panel according to claim 4,
one section of edge of the display area is recessed towards the inside of the display area to form a recessed area, and the transparent area is located in the recessed area.
6. The display panel according to claim 4,
the display area is disposed around the transparent area.
7. The display panel according to claim 1,
the transparent area is a triangle, a circle, a quadrangle or a polygon with more than five sides.
8. A display device characterized by comprising the display panel according to any one of claims 1 to 7, and an electronic component;
the electronic element is located in the transparent region in a direction perpendicular to the display panel.
9. The display device according to claim 8,
the electronic component includes a front camera and/or an optical sensor.
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| CN201810804601.6A CN108983506B (en) | 2018-07-20 | 2018-07-20 | Display panel and display device |
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| CN201810804601.6A CN108983506B (en) | 2018-07-20 | 2018-07-20 | Display panel and display device |
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|---|---|---|---|---|
| CN109541833A (en) * | 2018-12-13 | 2019-03-29 | 华为技术有限公司 | Display component, display device and its driving method |
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