CN114690468A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN114690468A CN114690468A CN202210381260.2A CN202210381260A CN114690468A CN 114690468 A CN114690468 A CN 114690468A CN 202210381260 A CN202210381260 A CN 202210381260A CN 114690468 A CN114690468 A CN 114690468A
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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
- G02F1/133345—Insulating layers
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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
- G02F1/133357—Planarisation layers
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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
- G02F1/133514—Colour filters
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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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
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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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- 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
- G02F1/136222—Colour filters incorporated in the active matrix substrate
Abstract
The invention discloses a display panel and a display device. The display device comprises a first substrate, a first display function layer, a first boss structure and a first alignment layer; the first display function layer is arranged on the first substrate and comprises a first light-transmitting opening; the first boss structure is arranged in the first light-transmitting open hole; the first alignment layer is arranged on one side, far away from the first substrate, of the first display function layer, and the orthographic projection of the first alignment layer on the first substrate is not overlapped with the orthographic projection of the first boss structure on the first substrate; the first boss structure protrudes out of the surface of one side, far away from the first substrate, of the first alignment layer, and the light transmittance of the first boss structure is larger than that of the first alignment layer. The invention can improve the light transmittance of the first light-transmitting open pore.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a display panel and a display device having the same.
Background
With the continuous progress of science and technology, visual information is more and more important in people's life, and therefore, display devices bearing visual information, such as televisions, computers, mobile phones, wearable devices and the like, also take more and more important position in people's life. With the continuous development of display technology, people also put forward higher quality demands on display devices, for example, display equipment with higher screen occupation ratio and the like, and display screens with high screen occupation ratios such as a bang screen, a water drop screen, a hole digging screen and the like are generated by transportation for improving the screen occupation ratio of the display equipment. And the ratio of the hollowed screens to the screen and the screen display effect are optimal.
At present, the mode that the screen of digging the hole adopted includes "blind hole" and "through-hole" to correspond "blind hole" and "through-hole" with the camera and set up below the screen. Among them, "through-holes" are relatively simple from a technical point of view, but the visual integrity of "through-holes" is much less good. Because the influence of the screen on the camera does not need to be considered, the holes drilled on the screen by the through holes are larger than the camera and larger than the hole diameter of the blind holes. And then compare "through-hole", "blind hole" are higher in visual integrativity.
But "blind vias" are more difficult to fabricate. Because the camera is arranged below the screen, in the liquid crystal display panel, the blind hole is usually covered with the alignment layer, and the alignment layer is made of polyimide, so that the overall color of the alignment layer is yellow, and the light transmittance is not high, thereby affecting the imaging quality of the camera.
Disclosure of Invention
The embodiment of the invention provides a display panel and a display device, which can improve the light transmittance of the display panel at a first light-transmitting opening.
An embodiment of the present invention provides a display panel, including:
a first substrate;
the first display function layer is arranged on the first substrate and comprises a first light-transmitting opening;
the first boss structure is arranged in the first light-transmitting open hole;
the first alignment layer is arranged on one side, far away from the first substrate, of the first display function layer, and the orthographic projection of the first alignment layer on the first substrate is not overlapped with the orthographic projection of the first boss structure on the first substrate;
the first boss structure protrudes from the surface of one side, away from the first substrate, of the first alignment layer, and the light transmittance of the first boss structure is larger than that of the first alignment layer.
In an embodiment of the invention, the first display function layer includes a thin film transistor layer disposed on the first substrate, and the first light-transmitting opening penetrates at least a part of the thin film transistor layer.
In an embodiment of the disclosure, the display panel further includes an organic insulating layer disposed on a side of the thin-film transistor layer away from the first substrate, the organic insulating layer covers the thin-film transistor layer and extends into the first light-transmitting opening, and the organic insulating layer further includes the first boss structure disposed in the first light-transmitting opening.
In an embodiment of the invention, the first display function layer includes a color filter layer disposed on the first substrate, and the first light-transmitting opening penetrates at least a part of the color filter layer.
In an embodiment of the invention, the display panel further includes a planarization layer disposed on a side of the color filter layer away from the first substrate, the planarization layer covers the color filter layer and extends into the first light-transmitting opening, and the planarization layer further includes the first bump structure disposed in the first light-transmitting opening.
In an embodiment of the invention, the display panel further includes a spacer layer disposed on a side of the color filter layer away from the first substrate, and the spacer layer includes a spacer pillar disposed outside the first light-transmitting opening and the first bump structure disposed in the first light-transmitting opening.
In one embodiment of the present invention, the display panel further includes:
a second substrate disposed opposite to the first substrate;
the second display function layer is arranged on one side, close to the first substrate, of the second substrate and comprises a second light-transmitting opening, and the second light-transmitting opening is arranged corresponding to the first light-transmitting opening;
the second boss structure is arranged in the second light-transmitting open hole;
the second alignment layer is arranged on one side, close to the first substrate, of the second display function layer, and the orthographic projection of the second alignment layer on the second substrate is not overlapped with the orthographic projection of the second boss structure on the second substrate;
the second boss structure protrudes from the surface of the second alignment layer on the side far away from the second substrate, and the light transmittance of the second boss structure is greater than that of the second alignment layer.
In an embodiment of the present invention, a sum of a distance from a surface of the first bump structure on a side away from the first substrate to the first substrate and a distance from a surface of the second bump structure on a side away from the second substrate to the second substrate is less than or equal to a distance between the first substrate and the second substrate.
In an embodiment of the invention, the first display function layer is one of a thin film transistor layer and a color filter layer, and the second display function layer is the other of the thin film transistor layer and the color filter layer.
According to the above object of the present invention, a display device is provided, which includes the display panel and a camera assembly, wherein the camera assembly is disposed on one side of the display panel corresponding to the first light-transmitting opening.
The invention has the beneficial effects that: according to the invention, the first boss structure protruding out of the surface of the first display function layer is arranged in the first light-transmitting opening, and in the preparation process of the first alignment layer, the alignment plate (Asahikasei Photosensitive Resin, APR) is extruded outside the light-transmitting opening through the transfer printing wheel, so that alignment liquid in the pits of the alignment plate flows onto the first display function layer, and when the alignment plate moves to the light-transmitting opening, the alignment plate is extruded by the first boss structure, and under the bidirectional extrusion of the alignment plate and the transfer printing wheel, the alignment liquid in the pits is extruded and overflows to the positions outside the first boss structure. Furthermore, in the display panel provided by the invention, the first alignment layer and the first boss structure are staggered, so that the first alignment layer is prevented from covering the first light-transmitting opening, and the light transmittance of the first boss structure is greater than that of the first alignment layer, so that the light transmittance of the first light-transmitting opening is improved, and the imaging quality of the camera component arranged corresponding to the first light-transmitting opening can be improved.
Drawings
The technical scheme and other beneficial effects of the invention are obvious from the detailed description of the specific embodiments of the invention in combination with the attached drawings.
FIG. 1 is a schematic diagram of a first substrate and a plurality of layers according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a conventional display panel;
fig. 3 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
FIG. 4 is a schematic view of another structure of the first substrate and the above film layers according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
FIG. 6 is a schematic view of another structure of the first substrate and the layers thereon according to the embodiment of the invention;
fig. 7 is a schematic structural diagram of a display panel according to an embodiment of the invention;
fig. 8 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
fig. 10 is a schematic top view of the first light-transmitting opening or the second light-transmitting opening according to the embodiment of the invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.
Referring to fig. 1, the display panel includes a first substrate 11, a first display function layer 12, a first protrusion structure 131, and a first alignment layer 15.
The first display function layer 12 is disposed on the first substrate 11 and includes a first light-transmitting opening 101; the first boss structure 131 is disposed in the first light-transmitting opening 101; the first alignment layer 15 is disposed on a side of the first display functional layer 12 away from the first substrate 11, and an orthographic projection of the first alignment layer 15 on the first substrate 11 does not overlap with an orthographic projection of the first boss structure 131 on the first substrate 11.
Further, the first boss structure 131 protrudes from the surface of the first alignment layer 15 on the side away from the first substrate 11, and the light transmittance of the first boss structure 131 is greater than that of the first alignment layer 15.
In an implementation and application process, referring to fig. 2, in a display panel of a camera under a screen in the related art, the display panel includes an array substrate 1 and a color film substrate 5 that are oppositely disposed, a thin film transistor array layer 2, an insulating layer 3, a first alignment film 4, a color film layer 6, a flat protective layer 7, a second alignment film 8, and a liquid crystal layer 9 disposed between the array substrate 1 and the color film substrate 5, which are disposed on the array substrate 1; in order to improve the imaging effect of the camera under the screen, a blind hole a and a blind hole B are usually formed in the display panel, but since the first alignment film 4 and the second alignment film 8 cover the blind hole a and the blind hole B, and the first alignment film 4 and the second alignment film 8 are made of polyimide materials, the transmittance of the polyimide materials to light with a wavelength of 380nm to 450nm is low, and the whole material is yellow, the imaging effect of the camera under the screen is affected. In the embodiment of the present invention, the first boss structure 131 is disposed in the first light-transmitting opening 101 of the first substrate 11, so that in the coating process of the first alignment layer 15, a film formed by the material of the first alignment layer 15 at the first boss structure 131 can be avoided, and the light transmittance of the first boss structure 131 is greater than the light transmittance of the first alignment layer 15, so as to improve the light transmittance of the first light-transmitting opening 101, and further improve the imaging effect of the camera assembly when the camera assembly is disposed under the display panel corresponding to the first light-transmitting opening 101.
Specifically, the following describes the structure of the display panel provided by the embodiment of the present invention in detail with reference to the embodiment.
Referring to fig. 1 and fig. 3, in an embodiment of the present invention, the display panel includes a first substrate 11 and a second substrate 21 disposed opposite to each other; the display panel further comprises a first display function layer 12 arranged on one side of the first substrate 11 close to the second substrate 21, an organic insulating layer 13 arranged on one side of the first display function layer 12 close to the second substrate 21, an inorganic insulating layer 14 arranged on one side of the organic insulating layer 13 close to the second substrate 21, and a first alignment layer 15 arranged on one side of the inorganic insulating layer 14 close to the second substrate 21; the display panel further comprises a second display function layer 22 arranged on one side of the second substrate 21 close to the first substrate 11, a flat layer 23 arranged on one side of the second display function layer 22 close to the first substrate 11, and a second alignment layer 24 arranged on one side of the flat layer 23 close to the first substrate 11; the display panel further comprises a liquid crystal layer 18 disposed between the first alignment layer 15 and the second alignment layer 24.
It should be noted that, in the embodiment of the present invention, the first display functional layer 12 includes a thin film transistor layer, and the organic insulating layer 13 covers the thin film transistor layer, wherein the display panel further includes an electrode layer disposed on one side of the organic insulating layer 13 close to the second substrate 21, and the inorganic insulating layer covers the electrode layer. Specifically, the electrode layer includes a common electrode disposed on a side of the organic insulating layer 13 adjacent to the second substrate 21, the inorganic insulating layer 14 includes a first inorganic layer covering the common electrode, the electrode layer further includes a pixel electrode disposed on a side of the first inorganic layer adjacent to the second substrate 21, and the inorganic insulating layer 14 further includes a second inorganic layer covering the pixel electrode, and then the first alignment layer 15 may be disposed on a side of the second inorganic layer adjacent to the second substrate 21.
In the embodiment of the present invention, the first display functional layer 12 includes the first light-transmitting opening 101, wherein the first light-transmitting opening 101 at least penetrates through a portion of the first display functional layer 12, that is, at least a portion of the thin film transistor layer, in the embodiment of the present invention, the first light-transmitting opening 101 is formed by removing the entire thickness of the first display functional layer 12, and the common electrode and the pixel electrode are disposed to avoid the first light-transmitting opening 101. The organic insulating layer 13 covers the first display functional layer 12 and extends into the first light-transmitting opening 101 to form a first boss structure 131 disposed in the first light-transmitting opening 101, and the first boss structure 131 at least protrudes from a surface of the first display functional layer 12 on a side away from the first substrate 11.
The orthographic projection of the inorganic insulating layer 14 on the first substrate 11 and the orthographic projection of the first bump structure 131 on the first substrate 11 are not overlapped, and can be prepared by controlling a mask pattern in the process.
Specifically, referring to fig. 1, in the process of preparing the first alignment layer 15, the alignment plate 17 is located outside the transfer wheel 16, and one side of the alignment plate 17 away from the transfer wheel 16 includes a plurality of concave points, each concave point stores alignment liquid, and when the alignment plate 17 abuts against one side of the first substrate 11 having the first boss structure 131, the transfer wheel 16 drives the alignment plate 17 to rotate and presses the alignment plate 17, and the alignment liquid in each concave point is extruded onto the inorganic insulating layer 14 to form a film, but when the alignment plate 17 moves to the first boss structure, because the first boss structure 131 and the transfer wheel 16 simultaneously press both sides of the alignment plate 17, the alignment liquid overflowing from the concave point is pressed to a position outside the first boss structure 131, the finally formed first alignment layer 15 is staggered from the first protrusion structure 131, and the first protrusion structure 131 protrudes from the surface of the first alignment layer 15 away from the first substrate 11.
In the embodiment of the present invention, the material of the organic insulating layer 13 includes a photosensitive polymer photoresist, such as an epoxy resin material, and the light transmittance of the organic insulating layer 13 is greater than the light transmittance of the first alignment layer 15, that is, the light transmittance of the first boss structure 131 is greater than the light transmittance of the first alignment layer 15, specifically, the light transmittance of the organic insulating layer for light with a wavelength of 380nm to 780nm is greater than 99%, and further, the embodiment of the present invention can effectively improve the light transmittance of the first light-transmitting opening 101.
Optionally, a distance from a surface of the first boss structure 131 on a side away from the first substrate 11 to the first substrate 11 is smaller than or equal to a distance between the first substrate 11 and the second substrate 21.
Further, in the embodiment of the present invention, the second display function layer 22 includes a color filter layer, specifically, the color filter layer includes a black matrix and a plurality of color blocks, the black matrix includes a plurality of openings, the color blocks are correspondingly disposed in the openings, the planarization layer 23 covers the color filter layer, and the second alignment layer 24 is formed on one side of the planarization layer 23 close to the first substrate 11.
The second display functional layer 22 includes a second light-transmitting opening 201, and the second light-transmitting opening 201 can pass through at least a part of the second display functional layer 22, and in the embodiment of the present invention, the second light-transmitting opening 201 passes through all the second display functional layer 22 as an example. The first light-transmitting opening 101 and the second light-transmitting opening 201 are disposed in an aligned manner, and the planarization layer 23 and the second alignment layer 24 both cover the inner walls of the second display function layer 22 and the second light-transmitting opening 201.
In summary, in the embodiment of the present invention, the organic insulating layer 13 is adopted to set the first boss structure 131 in the first light-transmitting opening 101 penetrating through the thin-film transistor layer, so that the first alignment layer 15 is prevented from covering the first light-transmitting opening 101, and the light transmittance of the first boss structure 131 is greater than the light transmittance of the first alignment layer 15, so as to improve the light transmittance of the first light-transmitting opening 101, and further improve the imaging quality of the camera component set corresponding to the first light-transmitting opening 101.
In another embodiment of the present invention, please refer to fig. 4 and fig. 5, in this embodiment, the display panel includes a first substrate 31 and a second substrate 41 that are disposed opposite to each other, a first display function layer 32 disposed on a side of the first substrate 31 close to the second substrate 41, a flat layer 33 disposed on a side of the first display function layer 32 close to the second substrate 41, and a first alignment layer 34 disposed on a side of the flat layer 33 close to the second substrate 41. The display panel further includes a second display function layer 42 disposed on a side of the second substrate 41 close to the first substrate 31, an organic insulating layer 43 disposed on a side of the second display function layer 42 close to the first substrate 31, an inorganic insulating layer 44 disposed on a side of the organic insulating layer 43 close to the first substrate 31, and a second alignment layer 45 disposed on a side of the inorganic insulating layer 44 close to the first substrate 31; the display panel further includes a liquid crystal layer 46 disposed between the first alignment layer 34 and the second alignment layer 45.
In this embodiment, the first display function layer 32 is a color filter layer, the first display function layer 32 includes a first light-transmitting opening 301 penetrating through the first display function layer 32, the planarization layer 33 covers the first display function layer 32 and extends into the first light-transmitting opening 301 to form a first boss structure 331 located in the first light-transmitting opening 301, and the first boss structure 331 at least protrudes from a surface of the first display function layer 32 on a side away from the first substrate 11.
The orthographic projection of the first alignment layer 34 on the first substrate 11 and the orthographic projection of the first boss structure 331 on the first substrate 11 are not overlapped, and the first boss structure 331 protrudes from the surface of the first alignment layer 34 far away from the first substrate 11.
In the embodiment, the material of the planarization layer 33 includes a photosensitive polymer photoresist, such as an epoxy resin material, and the light transmittance of the planarization layer 33 is greater than the light transmittance of the first alignment layer 34, that is, the light transmittance of the first boss structure 331 is greater than the light transmittance of the first alignment layer 34, specifically, the light transmittance of the planarization layer 33 for light with a wavelength of 380nm to 780nm is greater than 99%, and further, the light transmittance of the first light-transmitting opening 301 can be effectively improved according to the embodiment of the invention.
Optionally, a distance from a surface of the first boss structure 331 on a side away from the first substrate 31 to the first substrate 31 is smaller than or equal to a distance between the first substrate 31 and the second substrate 41.
The second display functional layer 42 may be a thin film transistor layer, the second display functional layer 42 includes second light-transmitting openings 401 penetrating through all of the second display functional layer 42, and the organic insulating layer 43 covers the second display functional layer 42 and extends into the second light-transmitting openings 401 to cover inner walls of the second light-transmitting openings 401; further, the inorganic insulating layer 44 covers the organic insulating layer 43 and the second light-transmitting opening 401, and the second alignment layer 45 covers the inorganic insulating layer 44 and the second light-transmitting opening 401.
In view of the above, in the embodiment of the invention, the first protrusion structure 331 is formed in the first light-transmitting opening 301 penetrating through the color filter layer by using the flat layer 33, so that the first alignment layer 34 is prevented from covering the first light-transmitting opening 301, and the light transmittance of the first protrusion structure 331 is greater than the light transmittance of the first alignment layer 34, so as to improve the light transmittance of the first light-transmitting opening 301, and further improve the imaging quality of the camera module disposed corresponding to the first light-transmitting opening 301.
In another embodiment of the present invention, please refer to fig. 6 and fig. 7, in this embodiment, the display panel includes a first substrate 51 and a second substrate 61 that are disposed opposite to each other, a first display function layer 52 disposed on a side of the first substrate 51 close to the second substrate 61, a flat layer 53 disposed on a side of the first display function layer 52 close to the second substrate 61, a spacer layer disposed on a side of the flat layer 53 close to the second substrate 61, and a first alignment layer 55 disposed on a side of the spacer layer close to the second substrate 61. The display panel further comprises a second display function layer 62 arranged on one side of the second substrate 61 close to the first substrate 51, an organic insulating layer 63 arranged on one side of the second display function layer 62 close to the first substrate 51, an inorganic insulating layer 64 arranged on one side of the organic insulating layer 63 close to the first substrate 51, and a second alignment layer 65 arranged on one side of the inorganic insulating layer 64 close to the first substrate 51; the display panel further includes a liquid crystal layer 66 disposed between the first alignment layer 55 and the second alignment layer 65.
In this embodiment, the first display functional layer 52 is a color filter layer, the first display functional layer 52 includes a first light-transmitting opening 501 penetrating through the first display functional layer 52, the planarization layer 53 covers the first display functional layer 52, the spacer layer includes a spacer pillar 542 disposed outside the first light-transmitting opening 501 and a first bump structure 541 disposed in the first light-transmitting opening 501, and an orthographic projection of the planarization layer 53 on the first substrate 51 is not overlapped with an orthographic projection of the first bump structure 541 on the first substrate 51.
Further, the first alignment layer 55 is formed on a side of the spacer layer away from the first substrate 51, and an orthographic projection of the first alignment layer 55 on the first substrate 51 is not overlapped with an orthographic projection of the first bump structure 541 on the first substrate 51, wherein the first bump structure 541 protrudes out of a surface of the first alignment layer 55 on the side away from the first substrate 51.
It should be noted that, in this embodiment, a distance from a surface of the first bump structure 541, which is away from the first substrate 51, to the first substrate 51 is greater than a distance from a surface of the spacer pillar 542, which is away from the first substrate 51, to the first substrate 51, and further, in a process of forming the first alignment layer 55, an extrusion force of the first bump structure 541 and the transfer roller to the alignment plate is greater, so that the alignment liquid can be squeezed away, and the spacer pillar 542 is smaller, so that the alignment liquid can still form a film at the spacer pillar 542.
In this embodiment, the material of the spacer layer includes a high molecular photosensitive photoresist, such as an epoxy resin material, and the light transmittance of the spacer layer is greater than the light transmittance of the first alignment layer 55, that is, the light transmittance of the first bump structure 541 is greater than the light transmittance of the first alignment layer 55, specifically, the light transmittance of the spacer layer for light with a wavelength of 380nm to 780nm is greater than 99%, and further, the light transmittance of the first light-transmitting opening 501 can be effectively improved according to the embodiment of the present invention.
Optionally, a distance from a surface of the first bump structure 541, which is away from the first substrate 51, to the first substrate 51 is less than or equal to a distance between the first substrate 51 and the second substrate 61.
The second display functional layer 62 may be a thin film transistor layer, the second display functional layer 62 includes a second light transmissive opening 601 penetrating all of the second display functional layer 42, and the organic insulating layer 63 covers the second display functional layer 62 and extends into the second light transmissive opening 601 to cover an inner wall of the second light transmissive opening 601; further, the inorganic insulating layer 64 covers the organic insulating layer 63 and the second light-transmitting opening 601, and the second alignment layer 65 covers the inorganic insulating layer 64 and the second light-transmitting opening 601.
In view of the above, in the embodiment of the invention, the spacer layer is adopted to form the first boss structure 331 in the first light-transmitting opening 301 penetrating through the color filter layer, so that the first alignment layer 34 is prevented from covering the first light-transmitting opening 301, and the light transmittance of the first boss structure 331 is greater than the light transmittance of the first alignment layer 34, so as to improve the light transmittance of the first light-transmitting opening 301, and further improve the imaging quality of the camera module disposed corresponding to the first light-transmitting opening 301.
In another embodiment of the present invention, referring to fig. 8, in the present embodiment, the display panel includes a first substrate 71 and a second substrate 81 disposed opposite to each other; the display panel further includes a first display function layer 72 disposed on a side of the first substrate 71 close to the second substrate 81, an organic insulating layer 73 disposed on a side of the first display function layer 12 close to the second substrate 81, an inorganic insulating layer 74 disposed on a side of the organic insulating layer 73 close to the second substrate 81, and a first alignment layer 75 disposed on a side of the inorganic insulating layer 74 close to the second substrate 81; the display panel further comprises a second display function layer 82 arranged on one side of the second substrate 81 close to the first substrate 71, a flat layer 83 arranged on one side of the second display function layer 82 close to the first substrate 71, and a second alignment layer 84 arranged on one side of the flat layer 83 close to the first substrate 71; the display panel further includes a liquid crystal layer 76 disposed between the first alignment layer 75 and the second alignment layer 84.
In this embodiment, the first display functional layer 72 is a thin film transistor layer, the first display functional layer 72 includes a first light-transmitting opening 701 penetrating through the first display functional layer 72, the organic insulating layer 73 covers the first display functional layer 72 and extends into the first light-transmitting opening 701 to form a first boss structure 731 located in the first light-transmitting opening 701, and the first boss structure 731 at least protrudes from a surface of the first display functional layer 72 on a side away from the first substrate 11.
The orthographic projection of the first alignment layer 75 on the first substrate 71 and the orthographic projection of the first bump structure 731 on the first substrate 71 are not overlapped, and the first bump structure 731 protrudes from the surface of the first alignment layer 75 on the side away from the first substrate 71.
The second display function layer 82 is a color filter layer, the second display function layer 82 includes a second light-transmitting opening 801 penetrating through the second display function layer 82, the planarization layer 83 covers the second display function layer 82 and extends into the second light-transmitting opening 801 to form a second boss structure 831 located in the second light-transmitting opening 801, and the second boss structure 831 protrudes at least from a surface of the second display function layer 82 on a side away from the second substrate 81.
The orthographic projection of the second alignment layer 84 on the second substrate 81 and the orthographic projection of the second boss structure 831 on the second substrate 81 are not overlapped, and the second boss structure 831 protrudes from the surface of the second alignment layer 84 on the side away from the second substrate 81.
In the embodiment, the material of the planarization layer 33 includes a high molecular photosensitive photoresist, such as an epoxy resin material, and the light transmittance of the organic insulating layer 73 is greater than the light transmittance of the first alignment layer 75, the light transmittance of the planarization layer 83 is greater than the light transmittance of the second alignment layer 84, that is, the light transmittance of the first boss structure 731 is greater than the light transmittance of the first alignment layer 75, the light transmittance of the second boss structure 831 is greater than the light transmittance of the second alignment layer 84, specifically, the light transmittances of the organic insulating layer 73 and the planarization layer 83 for light with a wavelength of 380nm to 780nm are greater than 99%, so that the light transmittances of the first light-transmitting opening 701 and the second light-transmitting opening 801 can be effectively increased in the embodiment of the present invention.
Optionally, the sum of the distance from the surface of the first bump structure 731 away from the first substrate 71 to the first substrate 71 and the distance from the surface of the second bump structure 831 away from the second substrate 81 to the second substrate 81 is less than or equal to the distance between the first substrate 71 and the second substrate 81.
Further, in the embodiment of the present invention, if the height of the protrusion of the first bump structure 731 with respect to the first alignment layer 75 is set to H1, the height of the protrusion of the second bump structure 831 with respect to the second alignment layer 84 is set to H2, and the cell thickness of the liquid crystal layer 76 is set to H3, the sum of H1 and H2 is smaller than H3.
Optionally, the sum of H1 and H2 is greater than or equal to 2 microns and less than or equal to 4 microns; preferably, both H1 and H2 are greater than 1 micron.
In this embodiment, an orthographic projection of the first bump structure 731 on the first substrate 71 coincides with an orthographic projection of the first light-transmitting opening 701 on the first substrate 71, an orthographic projection of the second bump structure 831 on the second substrate 81 coincides with an orthographic projection of the second light-transmitting opening 801 on the second substrate 81, that is, a distance from the first bump structure 731 to a boundary of the first light-transmitting opening 701 and a distance from the second bump structure 831 to a boundary of the second light-transmitting opening 801 are both equal to 0, and the first light-transmitting opening 701 and the second light-transmitting opening 801 are aligned.
In summary, in the embodiment of the invention, the organic insulating layer 73 is used to form the first boss structure 731 in the first light-transmitting opening 701 passing through the thin film transistor layer, and the flat layer 33 is used to form the second boss structure 831 in the second light-transmitting opening 801 passing through the color filter layer, so that the first alignment layer 75 is prevented from covering the first light-transmitting opening 701 and the second alignment layer 84 is prevented from covering the second light-transmitting opening 801, the light transmittance of the first boss structure 731 is greater than that of the first alignment layer 75, and the light transmittance of the second boss structure 831 is greater than that of the second alignment layer 84, so as to improve the light transmittances of the first light-transmitting opening 701 and the second light-transmitting opening 801, and further improve the imaging quality of the camera module disposed corresponding to the first light-transmitting opening 701 and the second light-transmitting opening 801.
In another embodiment of the present invention, referring to fig. 9 and fig. 10, the present embodiment is different from the previous embodiment in that an orthographic projection of the first bump structure 731 on the first substrate 71 is located within a coverage range of an orthographic projection of the first light-transmitting opening 701 on the first substrate 71, and an orthographic projection of the second bump structure 831 on the second substrate 81 is located within a coverage range of an orthographic projection of the second light-transmitting opening 801 on the second substrate 81.
Optionally, a distance L1 from the first bump structure 731 to the boundary of the first light transmission hole 701 and a distance L2 from the second bump structure 831 to the boundary of the second light transmission hole 801 are both greater than 0 and less than or equal to 5 micrometers.
Further, in the embodiment of the present invention, the sum of the height H1 of the first bump structure 731 protruding with respect to the first alignment layer 75 and the height H2 of the second bump structure 831 protruding with respect to the second alignment layer 84 is equal to the cell thickness H3 of the liquid crystal layer 76.
In summary, in the embodiment of the invention, the organic insulating layer 73 is used to form the first boss structure 731 in the first light-transmitting opening 701 passing through the thin film transistor layer, and the flat layer 33 is used to form the second boss structure 831 in the second light-transmitting opening 801 passing through the color filter layer, so that the first alignment layer 75 is prevented from covering the first light-transmitting opening 701 and the second alignment layer 84 is prevented from covering the second light-transmitting opening 801, the light transmittance of the first boss structure 731 is greater than that of the first alignment layer 75, and the light transmittance of the second boss structure 831 is greater than that of the second alignment layer 84, so as to improve the light transmittances of the first light-transmitting opening 701 and the second light-transmitting opening 801, and further improve the imaging quality of the camera module disposed corresponding to the first light-transmitting opening 701 and the second light-transmitting opening 801.
In addition, an embodiment of the present invention further provides a display device, where the display device includes the display panel and the camera assembly described in the above embodiment, and the camera assembly is disposed on one side of the display panel corresponding to the first light-transmitting opening.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The display panel and the display device provided by the embodiment of the present invention are described in detail above, and the principle and the embodiment of the present invention are explained in the present document by applying specific examples, and the description of the above embodiments is only used to help understanding the technical scheme and the core idea of the present invention; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A display panel, comprising:
a first substrate;
the first display function layer is arranged on the first substrate and comprises a first light-transmitting opening;
the first boss structure is arranged in the first light-transmitting open hole;
the first alignment layer is arranged on one side, far away from the first substrate, of the first display function layer, and the orthographic projection of the first alignment layer on the first substrate is not overlapped with the orthographic projection of the first boss structure on the first substrate;
the first boss structure protrudes out of the surface of one side, far away from the first substrate, of the first alignment layer, and the light transmittance of the first boss structure is larger than that of the first alignment layer.
2. The display panel of claim 1, wherein the first display functional layer comprises a thin-film transistor layer disposed on the first substrate, and wherein the first light-transmissive opening passes through at least a portion of the thin-film transistor layer.
3. The display panel of claim 2, wherein the display panel further comprises an organic insulating layer disposed on a side of the thin-film transistor layer away from the first substrate, the organic insulating layer covering the thin-film transistor layer and extending into the first light-transmissive opening, the organic insulating layer further comprising the first boss structure disposed in the first light-transmissive opening.
4. The display panel according to claim 1, wherein the first display function layer comprises a color filter layer provided on the first substrate, and wherein the first light-transmitting opening penetrates at least a part of the color filter layer.
5. The display panel of claim 4, wherein the display panel further comprises a planarization layer disposed on a side of the color filter layer away from the first substrate, the planarization layer covers the color filter layer and extends into the first light-transmissive opening, and the planarization layer further comprises the first bump structure disposed in the first light-transmissive opening.
6. The display panel according to claim 4, wherein the display panel further comprises a spacer layer disposed on a side of the color filter layer away from the first substrate, and the spacer layer comprises spacer pillars disposed outside the first light-transmitting openings and the first bump structures disposed in the first light-transmitting openings.
7. The display panel according to claim 1, characterized in that the display panel further comprises:
a second substrate disposed opposite to the first substrate;
the second display function layer is arranged on one side, close to the first substrate, of the second substrate and comprises a second light-transmitting opening, and the second light-transmitting opening is arranged corresponding to the first light-transmitting opening;
the second boss structure is arranged in the second light-transmitting opening;
the second alignment layer is arranged on one side, close to the first substrate, of the second display function layer, and the orthographic projection of the second alignment layer on the second substrate is not overlapped with the orthographic projection of the second boss structure on the second substrate;
the second boss structure protrudes from the surface of the second alignment layer on the side far away from the second substrate, and the light transmittance of the second boss structure is greater than that of the second alignment layer.
8. The display panel according to claim 7, wherein the sum of the distance from the surface of the first projection structure on the side away from the first substrate to the first substrate and the distance from the surface of the second projection structure on the side away from the second substrate to the second substrate is less than or equal to the distance between the first substrate and the second substrate.
9. The display panel of claim 7, wherein the first display functional layer is one of a thin-film-transistor layer and a color filter layer, and the second display functional layer is the other of the thin-film-transistor layer and the color filter layer.
10. A display device, comprising the display panel according to any one of claims 1 to 9, and a camera assembly, wherein the camera assembly is disposed on one side of the display panel corresponding to the first light-transmitting opening.
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| CN202210381260.2A CN114690468A (en) | 2022-04-12 | 2022-04-12 | Display panel and display device |
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| CN202210381260.2A CN114690468A (en) | 2022-04-12 | 2022-04-12 | Display panel and display device |
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| CN109669291A (en) * | 2018-12-11 | 2019-04-23 | 厦门天马微电子有限公司 | Display panel and display device |
| CN111142281A (en) * | 2018-11-05 | 2020-05-12 | 华为终端有限公司 | Display panel and preparation method thereof, mobile terminal and preparation method thereof |
| CN111983840A (en) * | 2020-08-20 | 2020-11-24 | 武汉华星光电技术有限公司 | Display device and manufacturing method thereof |
| US20210202622A1 (en) * | 2019-12-30 | 2021-07-01 | Lg Display Co., Ltd. | Display apparatus |
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| CN109001933A (en) * | 2018-08-10 | 2018-12-14 | 厦门天马微电子有限公司 | A kind of display panel, its production method and display device |
| CN109283722A (en) * | 2018-09-30 | 2019-01-29 | 厦门天马微电子有限公司 | A kind of display panel and preparation method thereof, display device |
| CN111142281A (en) * | 2018-11-05 | 2020-05-12 | 华为终端有限公司 | Display panel and preparation method thereof, mobile terminal and preparation method thereof |
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