CN109143648B - Display panel and display device - Google Patents
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- CN109143648B CN109143648B CN201811139578.XA CN201811139578A CN109143648B CN 109143648 B CN109143648 B CN 109143648B CN 201811139578 A CN201811139578 A CN 201811139578A CN 109143648 B CN109143648 B CN 109143648B
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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
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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
- G02F1/1335—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
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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
- G02F1/1335—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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
- G02F1/13394—Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars
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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
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
Abstract
The invention discloses a display panel and a display device, which relate to the technical field of display and comprise: the display device comprises a hollow-out part, a first non-display area, a display area and a second non-display area; the display panel further includes: the liquid crystal display panel comprises a color film substrate, an array substrate and a liquid crystal, wherein the color film substrate and the array substrate are arranged oppositely, the array substrate comprises a first substrate and a driving circuit layer positioned on one side of the first substrate, which is close to the color film substrate, and the color film substrate comprises a second substrate, and a black matrix and a color resistance layer positioned on one side of the second substrate, which is close to the array substrate; the orthographic projection of the driving circuit layer and the color resistance layer on the plane of the first substrate is not overlapped with the hollow part, and the hollow part comprises at least one first support column positioned between the first substrate and the second substrate; the upper polaroid comprises a first through hole which penetrates through the upper polaroid along the thickness direction of the upper polaroid and corresponds to the hollow part; the lower polarizer comprises a second through hole which penetrates through the lower polarizer along the thickness direction of the lower polarizer and corresponds to the hollow part. Therefore, the light transmission function can be realized at the corresponding position of the hollow part.
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
At present, spaces are often reserved for electronic photosensitive devices such as commonly used front cameras, infrared sensing devices and fingerprint identification devices for display equipment such as mobile phones and tablet computers. For example, when the electronic photosensitive device is a front camera, it is usually disposed at a top position of the front surface of the display device, and when the electronic photosensitive device is a fingerprint identification device, it is usually disposed at a bottom position of the front surface of the display device, so that a non-display area is formed at a corresponding position, thereby reducing the screen occupation ratio of the device.
In the prior art, in order to increase the screen ratio, a high light-transmitting area is formed in the display area of the display panel to accommodate the above-mentioned electronic photosensitive device, wherein the high light-transmitting area is usually designed to form a through hole in the display area of the display panel, and this design requires cutting with extremely high precision and extremely high process cutting capability in the display area during the manufacturing process to form a through hole with a fixed shape.
Since the design of forming the through holes in the display area of the display panel requires extremely high precision and extremely high process cutting capability, the yield of the display panel is greatly reduced.
Disclosure of Invention
In view of this, the present invention provides a display panel and a display device, which can achieve the light transmittance of the hollow portion without drilling the first substrate and the second substrate at the positions corresponding to the hollow portion, thereby facilitating the simplification of the production process and the improvement of the production yield.
In a first aspect, the present application provides a display panel comprising: the display device comprises a hollow-out part, a first non-display area, a display area and a second non-display area, wherein the first non-display area surrounds the hollow-out part, the display area surrounds the first non-display area, and the second non-display area surrounds the display area; the display panel further includes:
the liquid crystal display panel comprises a color film substrate, an array substrate and a liquid crystal, wherein the color film substrate and the array substrate are arranged oppositely, the liquid crystal is positioned between the color film substrate and the array substrate, the array substrate comprises a first substrate and a driving circuit layer positioned on one side, close to the color film substrate, of the first substrate, and the color film substrate comprises a second substrate, and a black matrix and a color resistance layer positioned on one side, close to the array substrate, of the second substrate; the orthographic projection of the driving circuit layer and the color resistance layer on the plane of the first substrate does not overlap with the hollow part, and the hollow part comprises at least one first supporting column positioned between the first substrate and the second substrate;
the upper polaroid is positioned on one side of the color film substrate, which is far away from the array substrate, and comprises a first through hole which penetrates through the upper polaroid along the thickness direction of the upper polaroid and corresponds to the hollow part;
and the lower polarizer is positioned on one side of the array substrate, which is far away from the color film substrate, and comprises a second through hole which penetrates through the lower polarizer along the thickness direction of the lower polarizer and corresponds to the hollow part.
In a second aspect, the present application provides a display device, including a display panel, where the display panel is the display panel provided in the present application.
Compared with the prior art, the display panel and the display device provided by the invention at least realize the following beneficial effects:
in the display panel and the display device provided by the embodiment of the application, the hollow part is arranged on the display panel and is positioned in the range limited by the edge of the display area, and the design is favorable for improving the screen occupation ratio of the display panel and the display device. In the display panel and the display device that this application embodiment provided, be provided with the first through-hole that corresponds with above-mentioned fretwork portion on last polaroid, be provided with the second through-hole that corresponds with above-mentioned fretwork portion on the polaroid down, in addition, corresponding position in fretwork portion has set up first support column, position that corresponds at fretwork portion does not set up drive circuit layer and color resistance layer, consequently, being provided with of first through-hole and second through-hole does benefit to the luminousness that promotes fretwork portion, and simultaneously, the position that corresponds at fretwork portion does not set up drive circuit layer and color resistance layer and is favorable to further promoting the luminousness of fretwork portion. Particularly, the first substrate and the second substrate are not subjected to hole digging design at the corresponding positions of the hollow parts, but the first supporting columns are arranged between the first substrate and the second substrate, so that the process difficulty in the manufacturing process of the display panel is reduced in a mode of not digging holes in the first substrate and the second substrate, and therefore, the light transmittance of the hollow parts is ensured, and meanwhile, the production yield of the display panel is 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 top view of a display panel according to an embodiment of the present disclosure;
fig. 2 is a cross-sectional view of a display panel according to an embodiment of the present application;
fig. 3 is a layout diagram of a hollow portion and a peripheral area of a display panel according to an embodiment of the present disclosure;
fig. 4 is another cross-sectional view of a display panel provided in an embodiment of the present application;
fig. 5 is another layout diagram of a hollow portion and a peripheral area of a display panel according to an embodiment of the present disclosure;
fig. 6 is a cross-sectional view of another display panel provided in an embodiment of the present application;
fig. 7 is a cross-sectional view of another display panel provided in an embodiment of the present application;
fig. 8 is a cross-sectional view of another display panel provided in an embodiment of the present application;
fig. 9 is a diagram illustrating a relative position relationship between an upper polarizer, a lower polarizer and a camera in a display panel according to an embodiment of the present disclosure;
fig. 10 is a diagram illustrating another relative position relationship between an upper polarizer and a lower polarizer of a display panel according to an embodiment of the present disclosure;
FIG. 11 is a top view of a first via and a second via provided in accordance with an embodiment of the present application;
fig. 12 is a schematic structural diagram of a display device according to an embodiment of the present disclosure.
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.
In the prior art, in order to increase the screen ratio, a high-transmittance region may be formed in a display region of a display panel to accommodate an electronic photosensitive device such as a camera, an infrared sensing device, a fingerprint recognition device, etc., wherein the high-transmittance region is usually designed to form a through hole in the display region of the display panel, and the design requires cutting with extremely high precision and extremely high process cutting capability in the display region during the manufacturing process to form the through hole with a fixed shape.
Since the design of forming the through holes in the display area of the display panel requires extremely high precision and extremely high process cutting capability, the yield of the display panel is greatly reduced.
In view of this, the present invention provides a display panel and a display device, which can achieve the light transmittance of the hollow portion without drilling the first substrate and the second substrate at the positions corresponding to the hollow portion, thereby facilitating the simplification of the production process and the improvement of the production yield.
The following detailed description is made with reference to the accompanying drawings and specific examples.
Fig. 1 is a top view of a display panel provided in an embodiment of the present application, and fig. 2 is a cross-sectional view of the display panel provided in the embodiment of the present application, referring to fig. 1 and fig. 2, a display panel 100 provided in the embodiment of the present application includes: the display device comprises a hollow-out part 80, a first non-display area 11, a display area 13 and a second non-display area 12, wherein the first non-display area 11 surrounds the hollow-out part 80, the display area 13 surrounds the first non-display area 11, and the second non-display area 12 surrounds the display area 13; the display panel 100 further includes:
the liquid crystal display panel comprises a color film substrate 20, an array substrate 10 and a liquid crystal layer, wherein the color film substrate 20 and the array substrate 10 are arranged oppositely, the liquid crystal layer is positioned between the color film substrate 20 and the array substrate 10, the array substrate 10 comprises a first substrate 18 and a driving circuit layer 66 positioned on one side, close to the color film substrate 20, of the first substrate 18, and the color film substrate 20 comprises a second substrate 21, and a black matrix 22 and a color resistance layer 23 positioned on one side, close to the array substrate 10, of the second substrate 21; the orthographic projection of the driving circuit layer 66 and the color resistance layer 23 on the plane of the first substrate 18 does not overlap with the hollow part 80, and the hollow part 80 comprises at least one first support column 61 positioned between the first substrate 18 and the second substrate 21;
the upper polarizer 50 is positioned on one side of the color film substrate 20, which is far away from the array substrate 10, and the upper polarizer 50 comprises a first through hole 51 which penetrates through the upper polarizer 50 along the thickness direction of the upper polarizer 50 and corresponds to the hollow part 80;
the lower polarizer 40 is located on a side of the array substrate 10 away from the color filter substrate 20, and the lower polarizer 40 includes a second through hole 42 penetrating through the lower polarizer 40 along a thickness direction of the lower polarizer 40 and corresponding to the hollow portion 80.
It should be noted that fig. 1 only shows a schematic position of the hollow portion 80 on the display panel 100, in some other embodiments of the present application, the hollow portion 80 may also be located in other areas on the display panel 100, which is not specifically limited in this application. While the hollow portion 80 in fig. 1 is shown as a circle, in some other embodiments of the present application, the hollow portion 80 may also be shown as other shapes, such as an oval, a square, etc., which is not specifically limited herein; the dimensions of the hollowed-out portion 80 in fig. 1 and 2 are only schematically illustrated, and do not represent actual dimensions. In addition, fig. 2 only shows a relative position relationship diagram of the upper polarizer 50, the color filter substrate 20, the array substrate 10 and the lower polarizer 40, and does not represent an actual film structure.
Specifically, referring to fig. 1 and fig. 2, in the display panel 100 provided in the embodiment of the present disclosure, the hollow portion 80 is introduced in the range defined by the edge of the display area 13, and the hollow portion 80 does not occupy the frame area of the display panel 100, that is, does not occupy the space of the second non-display area 12, so that the screen occupation ratio of the display panel 100 is improved. This fretwork portion 80 is used for placing electron photosensitive devices such as camera, infrared sensing device, fingerprint identification device. Referring to fig. 2, a display panel 100 provided in the embodiment of the present disclosure includes an array substrate 10 and a color filter substrate 20 that are disposed opposite to each other, where the array substrate 10 includes a first substrate 18 and a driving circuit layer 66 located on the first substrate 18, and the color filter substrate 20 includes a second substrate 21, and a black matrix 22 and a color filter layer 23 located on the second substrate 21, and particularly, a first through hole 51 penetrating through an upper polarizer 50, the second substrate 21, the first substrate 18, a first support pillar 61 located between the first substrate 18 and the second substrate 21, and a second through hole 42 penetrating through a lower polarizer 40 are disposed at a position corresponding to a first hollow portion 80, and the first through hole 51 and the second through hole 42 are disposed at a position corresponding to the first hollow portion 80, and meanwhile, the driving circuit layer 66 and the color filter layer 23 are not disposed at a position corresponding to the hollow portion 80, which is favorable for improving a light transmission performance of the hollow portion 80. Moreover, in the display panel 100 provided in the embodiment of the present application, a hole-digging design is not performed on the first substrate 18 and the second substrate 21 at the positions corresponding to the hollow portions 80, which is beneficial to simplifying the production process when the hollow portions 80 are formed on the display panel 100, and the problem of reduction in production yield due to the requirement of high precision and high process cutting capability in the design of forming through holes in the prior art is solved, so that the light transmittance of the hollow portions 80 is improved, and the production yield of the display panel 100 is also beneficial to being improved.
Optionally, fig. 3 is a layout diagram of the hollow portion 80 and the peripheral area of the display panel 100 according to the embodiment of the present disclosure, which can embody the structure of the driving circuit layer 66, and referring to fig. 3, the driving circuit layer 66 according to the embodiment of the present disclosure includes a gate line 71, a data line 72, and a plurality of first thin film transistors 73 electrically connected to the gate line 71 and the data line 72. It should be noted that fig. 3 only schematically shows the relative position relationship between the thin film transistor and the hollow portion 80, and does not represent the actual number and size of the hollow portion 80 and the thin film transistor.
Specifically, referring to fig. 3, since the driving circuit layer 66 is not disposed at the position of the hollow portion 80, when the gate line 71 and the data line 72 reach the peripheral area of the hollow portion 80, the wire is wound around the hollow portion 80, which is beneficial to improving the light transmittance of the hollow portion 80. The gate lines 71 and the data lines 72 intersect to define a plurality of sub-pixel units, the plurality of sub-pixel units form a plurality of pixel unit rows, during the display process, a gate driving signal is input to the pixel unit row through the gate lines 71, each first thin film transistor 73 in the corresponding pixel unit row is turned on, and then a display data signal is input to the pixel unit row through the data lines 72 corresponding to the pixel unit row, so that the display panel 100 can realize the display function.
Optionally, referring to fig. 2, the display panel 100 provided in the embodiment of the present disclosure further includes a plurality of second supporting columns 63 located in the display area 13, and the hollow portion 80 includes a plurality of first supporting columns 61;
the first support columns 61 have the same shape and size as at least some of the second support columns 63, and the distance between two adjacent first support columns 61 is the same as the distance between at least some of the adjacent second support columns 63.
Specifically, please refer to fig. 2, a plurality of second supporting pillars 63 are disposed in the display region 13 of the display panel 100 and located between the color filter substrate 20 and the array substrate 10, and the second supporting pillars 63 can support the color filter substrate 20 and the array substrate 10, so as to prevent the color filter substrate 20 from being deformed by extrusion relative to the array substrate 10 when an external force is applied to the color filter substrate 20, which affects normal deflection of liquid crystal, thereby being beneficial to preventing the display panel 100 from displaying an abnormal phenomenon. In the embodiment of the present application, the position corresponding to the second hollow portion 80 is set to have the same size as the first support column 61, the shape of the first support column 61 is the same, and the arrangement mode of the first support column 61 is the same as the arrangement mode supported by the second support column, so that the first support column 61 and the second support column 63 can be manufactured in the same manufacturing process, the process of separately manufacturing the first support column 61 in the corresponding position of the hollow portion 80 is omitted, thereby being beneficial to saving the production process of the display panel 100, and further being beneficial to improving the production efficiency of the display panel 100.
Optionally, with continued reference to fig. 2 and fig. 3, in the display panel 100 provided in the embodiment of the present application, one side of the first support column 61 close to the first substrate 18 further includes a support block 64 disposed in one-to-one correspondence with the first support column 61, and a surface of the first support column 61 close to the support block 64 contacts with the support block 64;
the supporting block 64 includes a second thin film transistor 74 insulated from the gate line 71 and the data line 72, and the second thin film transistor 74 and the first thin film transistor 73 are formed in the same process.
Specifically, referring to fig. 2, in the display area 13, the second supporting pillars 63 are located between the side of the driving circuit layer 66 away from the first substrate 18 and the color filter substrate 20, and are in contact with the side of the driving circuit layer 66 away from the first substrate 18, and the side of the driving circuit layer 66 away from the first substrate 18 provides a supporting platform for the second supporting pillars 63. When the first support column 61 and the second support column 63 are completely the same in size and arrangement, a support platform, i.e., a support block 64 shown in fig. 2, is also correspondingly disposed near the first support column 61. The supporting block 64 in this embodiment includes the second thin film transistor 74, referring to fig. 3, and the second thin film transistor 74 is not electrically connected to the gate line 71 and the data line 72, and is formed in the same process as the first thin film transistor 73, so that the second thin film transistor 74 is formed while the first thin film transistor 73 is formed, that is, the supporting block 64 corresponding to the first supporting pillar 61 is formed, and therefore, a process of separately manufacturing the supporting block 64 for the first supporting pillar 61 is omitted, which is beneficial to saving the production process of the display panel 100, and is further beneficial to improving the production efficiency of the display panel 100. It should be noted that the second thin film transistor 74 of the supporting block 64 configured in the embodiment shown in fig. 2 and 3 is equivalent to a floating thin film transistor and is not electrically connected to the gate line 71 and the data line 72. The manufacturing of the first supporting column 61 in the hollow portion 80 is completed while the second supporting column 63 is manufactured, and the manufacturing of the supporting block 64 in the hollow portion 80 is completed while the driving circuit layer 66 is manufactured, so that the production process of the display panel 100 is simplified to a great extent, and the improvement of the production efficiency of the display panel 100 is facilitated.
Optionally, referring to fig. 2, in the display panel 100 provided in the embodiment of the present disclosure, the black matrix 22 further includes a first black matrix 24 located in the hollow portion 80; the first black matrixes 24 are arranged corresponding to the supporting blocks 64 one by one, and the orthographic projection of the first black matrixes 24 on the plane of the first substrate 18 covers the orthographic projection of the supporting blocks 64 on the plane of the substrate.
Specifically, with reference to fig. 2, in this embodiment, when the second thin film transistor 74 is used as the supporting block 64 corresponding to the first supporting pillar 61, since the second thin film transistor 74 includes metal film layers, and the existence of the metal film layers makes the hollow portion 80 possibly generate a reflective phenomenon, when the first black matrix 24 is disposed on the color film substrate 20 at a position corresponding to the second thin film transistor 74, the first black matrix 24 can block light reflected by the second thin film transistor 74, so as to avoid affecting the optical performance of the electronic photosensitive device disposed in the hollow portion 80.
It should be noted that, in the display panel 100 provided in the embodiment of the present application, the first supporting columns 61 and the second supporting columns 63 are made of a material with high light transmittance, so as to facilitate improvement of the light transmittance of the whole display panel 100. In the cross-sectional views provided in the embodiments of the present application, the cross-sections of the first supporting column 61 and the second supporting column 63 are in an inverted trapezoid structure, and in some other embodiments of the present application, the cross-sections of the first supporting column 61 and the second supporting column 63 may also be in other structures, which is not specifically limited in this application.
Optionally, fig. 4 is another cross-sectional view of the display panel 100 provided in this embodiment of the application, in which a forward projection of the black matrix 22 on the plane of the first substrate 18 does not overlap with the hollow portion 80. It should be noted that the same points of this embodiment as those of the above embodiment are not described herein again.
Specifically, referring to fig. 4, in the embodiment, the black matrix 22 is not disposed at the position corresponding to the hollow portion 80, and since the existence of the black matrix 22 may affect the light transmittance of the hollow portion 80, the light transmittance of the hollow portion 80 is improved by the manner that the black matrix 22 is not disposed at the position corresponding to the hollow portion 80 in the embodiment shown in fig. 4.
Optionally, with continued reference to fig. 4, the hollow portion 80 provided in the embodiment of the present application includes a first supporting column 61, and the first supporting column 61 is fixed on the second substrate 21 at a side close to the first substrate 18; the edge of the orthographic projection of the first support column 61 on the plane of the first substrate 18 is overlapped with the edge of the orthographic projection of the hollow part 80 on the plane of the first substrate 18.
Specifically, referring to fig. 4, in this embodiment, only one first support column 61 with a larger area is disposed at a position corresponding to the hollow portion 80, and particularly, an edge of an orthographic projection of the first support column 61 on the plane of the first substrate 18 coincides with an edge of the hollow portion 80, so that the light transmittance at the position corresponding to the hollow portion 80 is improved, and at the same time, a region corresponding to the hollow portion 80 on the display panel 100 can be supported by only one first support column 61.
Optionally, with continued reference to fig. 4, in this embodiment, the surface of the first support post 61 facing the first substrate 18 is in direct contact with the first substrate 18. That is, the supporting blocks 64 corresponding to the first supporting columns 61 are not formed on the first substrate 18 on the side toward the second substrate 21, instead, the height of the first supporting column 61 is increased, and referring to fig. 5, fig. 5 is another layout diagram of the hollow portion 80 and the peripheral area in the display panel 100 according to the embodiment of the present application, in this embodiment, the area corresponding to the hollow portion 80 is not provided with the floating tft, so that the first support post 61 is directly contacted with the surface of the first substrate 18 facing the second substrate 21, and the first support post 61 is supported by the first substrate 18, which is equivalent to omitting the process of forming the support block 64 on the surface of the first substrate 18 facing the second substrate 21, therefore, it is also beneficial to simplify the manufacturing process of the display panel 100, improve the manufacturing efficiency of the display panel 100, and at the same time, the light transmittance of the hollow portion 80 can be improved by not disposing the floating tft in the area corresponding to the hollow portion 80.
Alternatively, fig. 6 is another cross-sectional view of the display panel 100 provided in the embodiment of the present application, fig. 7 is another cross-sectional view of the display panel 100 provided in the embodiment of the present application, please refer to fig. 6 and fig. 7, the hollow portion 80 further includes a supporting pad 77 fixed on a side of the first substrate 18 close to the second substrate 21, and a surface of the first supporting pillar 61 facing the first substrate 18 is in direct contact with a surface of the supporting pad 77 facing the second substrate 21.
Alternatively, referring to fig. 6, the support pad 77 includes a block-shaped support pad 77, or, referring to fig. 7, the support pad 77 includes a plurality of sub-support pads 76.
Specifically, in the embodiment shown in fig. 6 and 7, the support pad 77 corresponding to the first support post 61 is introduced on the surface of the first substrate 18 facing the second substrate 21, and the surface of the first support post 61 facing the first substrate 18 is in direct contact with the surface of the support pad 77 facing the second substrate 21, so that the support pad 77 supports the first support post 61. It should be noted that, in the embodiment shown in fig. 6 and 7, the height of the first supporting column 61 at the position corresponding to the hollow portion 80 may be set to be the same as the height of the second supporting column 63 disposed at other positions on the display panel 100, and meanwhile, the height of the supporting pad 77 may be set to be the same as the height of the driving circuit layer 66 on the display panel 100, so that the first supporting column 61 may be produced according to the height specification of the second supporting column 63, and the supporting pad 77 may be produced according to the height specification of the driving circuit layer 66, which is also beneficial to simplifying the production process of the display panel 100 and improving the production efficiency of the display panel 100. It should be noted that in other embodiments of the present application, the first support post 61 and the support pad 77 in fig. 6 and 7 may also adopt other height specifications, which is not specifically limited in the present application. In addition, first support column 61 and supporting pad 77 all adopt the material constitution that the light transmissivity is good to be favorable to promoting the luminousness that fretwork portion 80 corresponds the position.
Optionally, fig. 8 is another cross-sectional view of the display panel 100 provided in the embodiment of the present application, please refer to fig. 8, in which a first supporting column 61 with a larger area is disposed at a position corresponding to the hollow portion 80, and the first supporting column 61 corresponds to the plurality of sub-supporting pads 76. When the support pad 77 includes a plurality of sub-support pads 76, the sub-support pads 76 include third thin film transistors 75 insulated from the gate lines 71 and the data lines 72, and referring to fig. 3, the third thin film transistors 75 and the first thin film transistors 73 are formed in the same process.
Specifically, referring to fig. 3 and 8, the sub-supporting pad 76 includes a third thin film transistor 75, and the third thin film transistor 75 is not electrically connected to the gate line 71 and the data line 72, and is formed in the same process as the first thin film transistor 73, so that the third thin film transistor 75 is formed while the first thin film transistor 73 is formed, that is, the sub-supporting pad 76 corresponding to the first supporting pillar 61 is formed, and therefore, a process of separately forming the sub-supporting pad 76 for the first supporting pillar 61 is omitted, which is beneficial to saving the production process of the display panel 100, and is further beneficial to improving the production efficiency of the display panel 100. It should be noted that the third thin film transistor 75 of the sub-support pad 76 configured in the embodiment shown in fig. 3 and 8 is equivalent to a floating thin film transistor and is not electrically connected to the gate line 71 and the data line 72.
It should be noted that, when the sub-support pad 76 in the embodiment shown in fig. 8 includes the third thin film transistor 75, a second black matrix 25 corresponding to the third thin film transistor 75 may be further disposed on the side of the second substrate 21 of the color filter substrate 20 facing the first substrate 18. Because the third thin film transistor 75 includes metal film layers, the existence of these metal film layers makes the hollow portion 80 possibly generate a reflective phenomenon, and in the present application, when the second black matrix 25 is disposed at a position on the color film substrate 20 corresponding to the third thin film transistor 75, the second black matrix 25 can block light reflected by the third thin film transistor 75, thereby avoiding affecting optical performance of the electronic photosensitive device disposed in the hollow portion 80.
Alternatively, in the display panel 100 provided in this embodiment of the application, the areas of the first through hole 51 located on the upper polarizer 50 and the second through hole 42 located on the lower polarizer 40 may be designed to be substantially the same, please refer to fig. 9, where fig. 9 is a relative position relationship diagram of the upper polarizer 50, the lower polarizer 40 and the camera in the display panel 100 provided in this embodiment of the application, and when the areas of the first through hole 51 and the second through hole 42 are set to be substantially the same, the camera may have a certain visual field angle afterwards, thereby implementing the shooting function.
Optionally, fig. 10 is a diagram illustrating another relative position relationship among the upper polarizer 50, the lower polarizer 40, and the camera in the display panel 100 according to the embodiment of the present disclosure, and fig. 11 is a top view of the first through hole 51 and the second through hole 42 provided in the embodiment of the present disclosure, please refer to fig. 8, fig. 10, and fig. 11, where an area of the first through hole 51 in the upper polarizer 50 is larger than an area of the second through hole 42 in the lower polarizer 40, and an edge of the first through hole 51 is located outside an edge of the second through hole 42. In general, the camera is disposed on a side of the lower polarizer 40 away from the upper polarizer 50, and when the area of the first through hole 51 is set to be larger than that of the lower polarizer 40, the camera can obtain a larger visual field angle, and thus can photograph more scenes.
Optionally, referring to fig. 11, in the display panel 100 provided in the embodiment of the present application, the first through hole 51 and the second through hole 42 are concentrically disposed, and a distance between an edge of the first through hole 51 and an inner edge of the second through hole 42 is D1, where D1 is greater than or equal to 0.15 mm. When the distance between the first through hole 51 and the second through hole 42 is set to be D1 greater than or equal to 0.15mm, the frame width of the first non-display area 11 is not increased, and the camera can obtain a larger visual field angle.
Optionally, in the display panel provided in the embodiment of the present application, a light transmittance of the hollow portion of the display panel is greater than or equal to 80%. So can make the electron photosensitive device who sets up and fretwork portion corresponding position department can acquire more light, therefore be favorable to promoting electron photosensitive device's photosensitive property.
Based on the same inventive concept, the present application further provides a display device 200, and fig. 12 is a schematic structural diagram of the display device 200 provided in the embodiment of the present application, and referring to fig. 12, the display device 200 includes a display panel 100, which is the display panel 100 provided in the embodiment of the present application. For an embodiment of the display device 200, reference may be made to the above-mentioned embodiment of the display panel 100, and repeated descriptions are omitted. The display device 200 provided by the present application may be: any product or component with practical functions such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator and the like.
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 advantages:
in the display panel and the display device provided by the embodiment of the application, the hollow part is arranged on the display panel and is positioned in the range limited by the edge of the display area, and the design is favorable for improving the screen occupation ratio of the display panel and the display device. In the display panel and the display device that this application embodiment provided, be provided with the first through-hole that corresponds with above-mentioned fretwork portion on last polaroid, be provided with the second through-hole that corresponds with above-mentioned fretwork portion on the polaroid down, in addition, corresponding position in fretwork portion has set up first support column, position that corresponds at fretwork portion does not set up drive circuit layer and color resistance layer, consequently, being provided with of first through-hole and second through-hole does benefit to the luminousness that promotes fretwork portion, and simultaneously, the position that corresponds at fretwork portion does not set up drive circuit layer and color resistance layer and is favorable to further promoting the luminousness of fretwork portion. Particularly, the first substrate and the second substrate are not subjected to hole digging design at the corresponding positions of the hollow parts, but the first supporting columns are arranged between the first substrate and the second substrate, so that the process difficulty in the manufacturing process of the display panel is reduced in a mode of not digging holes in the first substrate and the second substrate, and therefore, the light transmittance of the hollow parts is ensured, and meanwhile, the production yield of the display panel is 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 (14)
1. A display panel, comprising: the display device comprises a hollow-out part, a first non-display area, a display area and a second non-display area, wherein the first non-display area surrounds the hollow-out part, the display area surrounds the first non-display area, and the second non-display area surrounds the display area; the display panel further includes:
the liquid crystal display panel comprises a color film substrate, an array substrate and a liquid crystal, wherein the color film substrate and the array substrate are arranged oppositely, the liquid crystal is positioned between the color film substrate and the array substrate, the array substrate comprises a first substrate and a driving circuit layer positioned on one side, close to the color film substrate, of the first substrate, and the color film substrate comprises a second substrate, and a black matrix and a color resistance layer positioned on one side, close to the array substrate, of the second substrate; the orthographic projection of the driving circuit layer and the color resistance layer on the plane of the first substrate does not overlap with the hollow part, and the hollow part comprises at least one first supporting column positioned between the first substrate and the second substrate;
the upper polaroid is positioned on one side of the color film substrate, which is far away from the array substrate, and comprises a first through hole which penetrates through the upper polaroid along the thickness direction of the upper polaroid and corresponds to the hollow part;
the lower polarizer is positioned on one side of the array substrate, which is far away from the color film substrate, and comprises a second through hole which penetrates through the lower polarizer along the thickness direction of the lower polarizer and corresponds to the hollow part;
a plurality of second support columns located in the display area, the hollow portion including a plurality of the first support columns; the shape and the size of the first supporting column are the same as those of at least part of the second supporting columns, and the distance between two adjacent first supporting columns is the same as that between at least part of two adjacent second supporting columns.
2. The display panel according to claim 1, wherein the driving circuit layer comprises a gate line, a data line, and a plurality of first thin film transistors electrically connected to the gate line and the data line.
3. The display panel according to claim 2, wherein a side of the first support column adjacent to the first substrate further comprises support blocks disposed in one-to-one correspondence with the first support column, and a surface of the first support column adjacent to the support blocks is in contact with the support blocks;
the supporting block includes a second thin film transistor insulated from the gate line and the data line, and the second thin film transistor and the first thin film transistor are formed in the same process.
4. The display panel according to claim 3, wherein the black matrix further comprises a first black matrix at the hollowed-out portion; the first black matrixes are arranged in one-to-one correspondence with the supporting blocks, and the orthographic projection of the first black matrixes on the plane where the first substrate is located covers the orthographic projection of the supporting blocks on the plane where the substrate is located.
5. The display panel according to claim 2, wherein an orthographic projection of the black matrix on the plane of the first substrate does not overlap with the hollow portion.
6. The display panel according to claim 5, wherein the hollow portion comprises the first support pillar, and the first support pillar is fixed on the second substrate on a side close to the first substrate; the edge of the orthographic projection of the first support column on the plane of the first substrate is overlapped with the edge of the orthographic projection of the hollow part on the plane of the first substrate.
7. The display panel according to claim 6, wherein a surface of the first support column facing the first substrate is in direct contact with the first substrate.
8. The display panel according to claim 6, wherein the hollow portion further comprises a support pad fixed to a side of the first substrate close to the second substrate, and a surface of the first support pillar facing the first substrate is in direct contact with a surface of the support pad facing the second substrate.
9. The display panel of claim 8, wherein the support pad comprises one bulk support pad, or wherein the support pad comprises a plurality of sub-support pads.
10. The display panel of claim 9, wherein when the support pad comprises a plurality of sub-support pads, the sub-support pads comprise a third thin film transistor insulated from the gate and data lines, and the third thin film transistor and the first thin film transistor are formed in a same process.
11. The display panel according to claim 1, wherein an area of the first through hole is larger than an area of the second through hole, and an edge of the first through hole is located outside an edge of the second through hole.
12. The display panel of claim 11, wherein the first through hole and the second through hole are concentrically arranged and a distance between an edge of the first through hole and an inner edge of the second through hole is D1, wherein D1 is greater than or equal to 0.15 mm.
13. The display panel according to claim 1, wherein a light transmittance of the hollow portion of the display panel is equal to or greater than 80%.
14. A display device comprising the display panel according to any one of claims 1 to 13.
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| CN201811139578.XA CN109143648B (en) | 2018-09-28 | 2018-09-28 | Display panel and display device |
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| CN109143648B true CN109143648B (en) | 2021-10-08 |
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| CN109994047B (en) * | 2019-04-08 | 2021-10-12 | 京东方科技集团股份有限公司 | Full-screen display panel, manufacturing method thereof and full-screen display device |
| CN109946885A (en) * | 2019-04-17 | 2019-06-28 | 武汉华星光电技术有限公司 | Liquid crystal display panel and electronic equipment |
| CN110133902A (en) * | 2019-04-29 | 2019-08-16 | 武汉华星光电技术有限公司 | Display device |
| CN110133788B (en) * | 2019-06-24 | 2022-02-08 | 厦门天马微电子有限公司 | Polaroid, display panel and display device |
| CN110596977A (en) * | 2019-08-29 | 2019-12-20 | 南京中电熊猫平板显示科技有限公司 | Liquid crystal display panel and manufacturing method thereof |
| CN110794622B (en) * | 2019-10-08 | 2021-11-02 | 维沃移动通信有限公司 | Display module and electronic equipment |
| CN112684639A (en) * | 2019-10-18 | 2021-04-20 | 北京小米移动软件有限公司 | Display panel, manufacturing method thereof and electronic equipment |
| CN110989232B (en) * | 2019-11-29 | 2022-10-11 | 维沃移动通信有限公司 | Display module, electronic equipment and preparation method of display module |
| CN110942041B (en) | 2019-11-29 | 2023-11-28 | 京东方科技集团股份有限公司 | Display substrate, manufacturing method thereof and display device |
| CN111224014B (en) * | 2019-11-29 | 2022-07-15 | 维沃移动通信有限公司 | Display module and electronic equipment |
| CN110908201A (en) * | 2019-11-29 | 2020-03-24 | 武汉华星光电技术有限公司 | Liquid crystal display panel |
| CN111025781A (en) * | 2019-12-12 | 2020-04-17 | 武汉华星光电技术有限公司 | Liquid crystal display panel |
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| CN110989249A (en) * | 2019-12-20 | 2020-04-10 | 维沃移动通信有限公司 | Display module and electronic equipment |
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