CN111983840A - Display device and manufacturing method thereof - Google Patents
Display device and manufacturing method thereof Download PDFInfo
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- CN111983840A CN111983840A CN202010844176.0A CN202010844176A CN111983840A CN 111983840 A CN111983840 A CN 111983840A CN 202010844176 A CN202010844176 A CN 202010844176A CN 111983840 A CN111983840 A CN 111983840A
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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
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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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
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- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a display device and a manufacturing method thereof, the display device comprises a display panel, a backlight module and an optical element, the display panel comprises a liquid crystal layer, an array substrate and a color film substrate which are oppositely arranged, the backlight module is arranged at one side of the array substrate far away from the color film substrate, the backlight module is provided with a through hole along the thickness direction of the display panel at the position corresponding to a light transmission area, the optical element is arranged at one side of the backlight module far away from the display panel and corresponds to the through hole and the light transmission area, a light transmission layer is filled in the through hole of the backlight module, one side of the light transmission layer close to the array substrate is attached to the position of the array substrate at the position corresponding to the light transmission area, so that the concave surface formed by the inward concave surface of the array substrate is filled by the light transmission layer, the interference phenomenon of light rays at the position of the light transmission area corresponding, thereby improving the performance and quality of the optical element.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display device and a manufacturing method of the display device.
Background
With the continuous optimization of display technology, display devices gradually develop to full-screen display technology to pursue the maximization of a display area, and therefore the in-hole camera technology is gradually in regional mainstream.
The technology of the camera in the hole is that the camera is placed below a light transmission area of a blind hole of a display panel, a spacer is arranged at the edge of the light transmission area to support an array substrate and a color film substrate, and the light transmission area of the display panel is only provided with a liquid crystal layer as a filling layer. Because the liquid crystal of the liquid crystal layer is in a flowing state, the glass substrate of the array substrate positioned in the light transmission area can be sunken towards the direction of the liquid crystal layer under the action of the external atmospheric pressure and deforms to form a concave surface, so that the distance between the array substrate in the light transmission area and the color film substrate is reduced, an interference phenomenon can be generated by a structure which is formed in the light transmission area and is similar to a Newton ring, the light focusing of the external light irradiating to the light transmission area is influenced, then the camera below the light transmission area is interfered, and the resolving power of the camera is reduced.
In summary, in the conventional display device adopting the in-hole camera technology, the glass substrate of the array substrate in the light transmission region is recessed towards the liquid crystal layer under the action of atmospheric pressure to form a concave surface, which affects the light focusing of the light transmission region, thereby causing the problem of the decrease of the resolution of the camera below the light transmission region. Therefore, it is desirable to provide a split-type back plate and a display device to improve the defect.
Disclosure of Invention
The embodiment of the disclosure provides a display device and a manufacturing method of the display device, and is used for solving the problem that the resolution of a camera below a light transmission region is reduced due to the fact that a glass substrate of an array substrate of the light transmission region of the existing display device adopting an in-hole camera technology is sunken towards a liquid crystal layer under the action of atmospheric pressure to form a concave surface, and light focusing of the light transmission region is influenced.
An embodiment of the present disclosure provides a display device, including:
the display panel comprises a light-transmitting area and a display area arranged around the light-transmitting area, and further comprises an array substrate, a color film substrate and a liquid crystal layer arranged between the array substrate and the color film substrate, wherein the array substrate and the color film substrate are oppositely arranged;
the backlight module is arranged on one side of the array substrate, which is far away from the color film substrate, and through holes along the thickness direction of the display panel are formed in the positions, corresponding to the light transmission areas, of the backlight module;
the optical element is arranged on one side of the backlight module, which is far away from the display panel, and corresponds to the through hole and the light-transmitting area; and
and the light-transmitting layer is filled in the through hole, and one side of the light-transmitting layer close to the array substrate is attached to the array substrate at a position corresponding to the light-transmitting area.
According to an embodiment of the present disclosure, the backlight module includes a light guide plate and an optical film disposed on a side of the light guide plate close to the array substrate, and the through hole penetrates through the light guide plate and the optical film.
According to an embodiment of the disclosure, a surface of the light transmissive layer away from the substrate is flush with a surface of the light guide plate away from the substrate.
According to an embodiment of the present disclosure, the array substrate includes a first substrate and a thin film transistor array layer disposed on a side of the first substrate close to the liquid crystal layer, and the array substrate is provided with a first blind hole along a thickness direction of the display panel at a position corresponding to the light-transmitting region.
According to an embodiment of the disclosure, the color filter substrate includes a second substrate and a color filter layer disposed on one side of the second substrate close to the liquid crystal layer, and a second blind hole along a thickness direction of the display panel is disposed at a position of the color filter substrate corresponding to the light-transmitting area.
According to an embodiment of the present disclosure, a plurality of spacers arranged in an array manner in the display region are disposed between the array substrate and the color film substrate.
According to an embodiment of the present disclosure, the optical element includes at least one of a camera, an optical fingerprint sensor, a proximity light sensor, a structured light sensor, an infrared laser emitter, an ambient light sensor.
The embodiment of the disclosure further provides a manufacturing method of a display device, including:
providing a display panel and a backlight module, wherein the display panel comprises a light-transmitting area and a display area arranged around the light-transmitting area, the display panel also comprises an array substrate, a color film substrate and a liquid crystal layer arranged between the array substrate and the color film substrate which are oppositely arranged, and the backlight module is provided with a through hole along the thickness direction of the display panel at a position corresponding to the light-transmitting area;
attaching the backlight module to one side, away from the color film substrate, of the array substrate of the display panel; and
filling transparent materials in the through holes, curing and shaping at room temperature to form a light transmission layer, and attaching one side of the light transmission layer close to the array substrate to the position of the array substrate corresponding to the light transmission area.
According to an embodiment of the present disclosure, the backlight module includes a light guide plate and an optical film disposed on a side of the light guide plate close to the array substrate, and the through hole penetrates through the light guide plate and the optical film.
According to an embodiment of the disclosure, a surface of the light transmissive layer away from the substrate is flush with a surface of the light guide plate away from the substrate.
The beneficial effects of the disclosed embodiment are as follows: according to the embodiment of the disclosure, the light transmission layer is filled in the through hole of the backlight module, and one side of the light transmission layer, which is close to the array substrate, is attached to the position of the array substrate, which corresponds to the light transmission region, so that the light transmission layer fills the concave surface formed by inward recess of the array substrate, the formation of a Newton ring structure is avoided, light is prevented from generating an interference phenomenon at the position of the light transmission region corresponding to the array substrate, the influence of the concave surface formed by inward recess of the array substrate on the optical element is reduced, and the performance and the quality of the optical element are improved.
Drawings
In order to illustrate the embodiments or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some of the disclosed embodiments, and that other drawings can be obtained by those skilled in the art without inventive effort.
Fig. 1 is a schematic structural diagram of a display device according to an embodiment of the disclosure;
fig. 2 is a schematic flow chart illustrating a manufacturing method of a display device according to an embodiment of the disclosure.
Detailed Description
The following description of the various embodiments refers to the accompanying drawings, which illustrate specific embodiments in which the disclosure may be practiced. Directional phrases used in this disclosure, such as [ upper ], [ lower ], [ front ], [ back ], [ left ], [ right ], [ inner ], [ outer ], [ side ], etc., refer only to the directions of the attached drawings. Accordingly, the directional terms used are used for the purpose of illustration and understanding of the present disclosure, and are not used to limit the present disclosure. In the drawings, elements having similar structures are denoted by the same reference numerals.
The present disclosure is further described with reference to the following drawings and detailed description.
The embodiment of the present disclosure provides a display device, which is described in detail below with reference to fig. 1. As shown in fig. 1, fig. 1 is a schematic structural diagram of a display device according to an embodiment of the disclosure, where the display device includes a display panel, a backlight module 14, and an optical element 13, the display panel includes an array substrate 11 and a color filter substrate 12 that are oppositely disposed, and a liquid crystal layer 13 disposed between the array substrate 11 and the color filter substrate 12, the backlight module 14 is disposed on a side of the array substrate 11 away from the color filter substrate 12, and the optical element 15 is disposed on a side of the backlight module 14 away from the display panel. The display panel further comprises a light-transmitting area A2 for providing an external light transmission path for the optical element 15 and a display area A1 surrounding the light-transmitting area A2, the backlight module 14 is provided with a through hole V1 in the thickness direction of the display panel at a position corresponding to the light-transmitting area A2, and the optical element 15 corresponds to the through hole V1 and the light-transmitting area A2.
In the embodiment of the present disclosure, the light-transmitting layer 16 is filled in the through hole V1, and a side surface of the light-transmitting layer 16 close to the array substrate 11 is attached to the array substrate 11 at a position corresponding to the light-transmitting region a1, so that a concave surface formed by the concave deformation of the portion of the array substrate 11 located in the light-transmitting region a2 towards the liquid crystal layer under the action of the external atmospheric pressure can be filled by the light-transmitting layer 16, thereby reducing or even eliminating the influence of the concave surface formed by the concave portion of the array substrate on the light focusing, and improving the performance and quality of the optical element.
Specifically, as shown in fig. 2, the array substrate 11 includes a first substrate 110, a thin film transistor array layer 111 disposed on one side of the first substrate 110 close to the liquid crystal layer 13, and passivation layers, pixel electrode layers, and alignment layers (not shown in the figure) stacked on the thin film transistor array layer 111, the array substrate 11 is provided with a first blind hole along the thickness direction of the display panel at a position corresponding to the light-transmitting area a2, and the first blind hole can penetrate through the alignment layers, the pixel electrode layers, the passivation layers, and the thin film transistor array layer 111 and expose the first substrate 110 at the bottom. In other embodiments, the first blind via V2 may penetrate only a part of the thin film transistor array layer 111, but not completely penetrate, and the same technical effect as the above embodiments can be obtained, which is not limited herein. The first substrate 110 is further provided with a lower polarizer 112 on a side thereof away from the tft array layer 111, and the through hole V1 also penetrates through the lower polarizer 112 at a position corresponding to the light transmissive area a 2.
Furthermore, in the embodiment of the disclosure, the material of the light-transmitting layer 16 is transparent adhesive, and the refractive index of the light-transmitting layer 16 is the same as the refractive index of the first substrate 110, so that after the light-transmitting layer 16 is formed by filling, the light-transmitting layer 16 and the first substrate 110 can be integrated, a concave surface generated by sinking deformation of the first substrate 110 can be eliminated, the original transmittance of the light in the light-transmitting area a2 at the array substrate 11 and the backlight module 14 can be maintained, and therefore, the influence of the concave surface formed by the recess of the array substrate on light focusing can be reduced or even eliminated, and the performance and quality of the optical element can be improved. Certainly, in some embodiments, the material of the transparent layer 16 may also be other transparent materials, the refractive index of the first substrate 110 is usually about 1.5, and the refractive index of the transparent layer 16 only needs to be between 1.3 and 1.7, so as to meet the actual use requirement. The material of the light-transmitting layer 16 may be selected according to the actual use, and the refractive index thereof only needs to be close to the refractive index of the first substrate 110, which is not limited herein.
As shown in fig. 2, the color filter substrate 12 includes a second substrate 120 and a color filter layer 121 disposed on one side of the second substrate 120 close to the liquid crystal layer 13, the color filter substrate 12 is also provided with a second blind hole along the thickness direction of the display panel at a position corresponding to the light-transmitting area a2, and the second blind hole penetrates through the color filter layer 121 and exposes the second substrate 120 at the bottom thereof. The second substrate 120 is further provided with an upper polarizer 122 on a side thereof away from the color filter layer 121, and the upper polarizer 122 is provided with a through hole penetrating through the upper polarizer at a position corresponding to the light-transmitting area a 2.
In the embodiment of the present disclosure, the backlight module 14 includes a light guide plate 140 and an optical film 141 disposed on one side of the light guide plate 140 close to the array substrate 11, and the optical film 141 may be an optical film commonly used in the prior art, which is not described herein again. The through hole V1 penetrates the light guide plate 140 and the optical film 141.
Furthermore, the light-transmitting layer 16 is disposed in the through hole V1, and the surface of the light-transmitting layer 16 on the side away from the array substrate 11 is flush with the surface of the light guide plate 140 on the side away from the array substrate 11, that is, the light-transmitting layer 16 completely fills the through hole V1, so that the concave surface formed by the concave deformation of the portion of the array substrate 11 in the light-transmitting area a2 in the direction of the liquid crystal layer under the action of the external atmospheric pressure is filled, the influence of the concave surface formed by the concave portion of the array substrate on light focusing is reduced or even eliminated, the overall sealing performance of the backlight module 14 and the array substrate 11 is improved, and dust, particles and the like are prevented from entering the through hole V1 to affect the performance.
In the embodiment of the present disclosure, the optical element 15 is a camera, and the concave surface is filled by the light-transmitting layer 16, so that the influence of the recessed concave surface on the light focusing of the camera can be reduced or even eliminated, thereby improving the resolving power of the under-screen camera adopting the hole digging design. Of course, in other embodiments, the optical element may also be any one or a combination of two or more sensors of a camera, an optical fingerprint sensor, a proximity light sensor, a structured light sensor, an infrared laser emitter, and an ambient light sensor, which can also improve the performance and quality of the optical element, and the type of the sensor in the optical element may be selected according to actual requirements, which is not limited herein.
In the embodiment of the disclosure, as shown in fig. 1, a cover plate 18 is disposed on a side of the color filter substrate 12 away from the array substrate 11, the cover plate 18 is bonded to the second substrate 122 of the color filter substrate 12 through an optical adhesive layer 17, and a concave surface formed by the second substrate 122 sinking towards the liquid crystal layer direction may be filled with the optical adhesive layer 17 coated on the surface of the second substrate 122, so as to reduce or even eliminate an influence of the concave surface formed by the inward sinking of the light transmission region a2 on one side of the color filter substrate 12 on light focusing, thereby improving performance and quality of the optical element 15.
In the embodiment of the disclosure, as shown in fig. 1, a plurality of spacers 19 arranged in an array in the display area a1 are disposed between the array substrate 11 and the color filter substrate 12, the spacers 19 are used for supporting and maintaining a distance between the array substrate 11 and the color filter substrate 12, and maintaining a thickness of the liquid crystal layer 13, and the light transmittance of the light-transmitting area a2 is improved because the spacers 19 are not disposed in the light-transmitting area a 2.
The beneficial effects of the disclosed embodiment are as follows: according to the display device provided by the embodiment of the disclosure, the light transmission layer is filled in the through hole of the backlight module, and one side of the light transmission layer, which is close to the array substrate, is attached to the position of the array substrate, which corresponds to the light transmission region, so that the light transmission layer fills the concave surface formed by inward recess of the array substrate, the formation of a Newton ring structure is avoided, light is prevented from generating an interference phenomenon at the position of the light transmission region corresponding to the array substrate, the influence of the concave surface formed by inward recess of the array substrate on the optical element is reduced, and the performance and the quality of the optical element are.
The embodiment of the disclosure further provides a method for manufacturing a display device, which is described in detail below with reference to fig. 1 and 2. As shown in fig. 1 and fig. 2, fig. 2 is a schematic flow chart of a manufacturing method of a display device according to an embodiment of the disclosure, where the manufacturing method includes:
step S1: providing a display panel and a backlight module 14, wherein the display panel comprises a light-transmitting area A2 and a display area A1 arranged around a light-transmitting area A2, the display panel further comprises an array substrate 11, a color film substrate 12 and a liquid crystal layer 13 arranged between the array substrate 11 and the color film substrate 12, and the backlight module 14 is provided with a through hole V1 in the thickness direction of the display panel at a position corresponding to the light-transmitting area A2;
step S2: attaching a backlight module 14 to one side of the array substrate 11 of the display panel, which is far away from the color film substrate 12; and
step S3: and filling a transparent material in the through hole V1, curing and shaping at room temperature to form a light-transmitting layer 16, wherein one side of the light-transmitting layer 16 close to the array substrate 11 is attached to the array substrate 11 at a position corresponding to the light-transmitting area a 2.
In an embodiment of the present disclosure, the manufacturing method further includes: the optical element 15 is fixed on the side of the backlight module 14 away from the array substrate 11, and corresponds to the through hole V1 and the light-transmitting area a 2.
In step S3 of the embodiment of the present disclosure, the through hole V1 is filled with the light transmissive layer 16, and a side surface of the light transmissive layer 16 close to the array substrate is attached to the array substrate 11 at a position corresponding to the light transmissive region a1, so that a concave surface formed by the concave surface of the portion of the array substrate 11 located in the light transmissive region a2 and deformed toward the liquid crystal layer under the action of the external atmospheric pressure can be filled with the light transmissive layer 16, thereby reducing or even eliminating the influence of the concave surface formed by the concave surface of the array substrate on light focusing, and improving the performance and quality of the optical element.
Specifically, the array substrate 11 includes a first substrate 110, a thin film transistor array layer 111 disposed on one side of the first substrate 110 close to the liquid crystal layer 13, and passivation protection layers, a pixel electrode layer, and an alignment layer (not shown in the figure) stacked on the thin film transistor array layer 111, the array substrate 11 is provided with a first blind hole along the thickness direction of the display panel at a position corresponding to the light-transmitting area a2, and the first blind hole can penetrate through the alignment layer, the pixel electrode layer, the passivation protection layer, and the thin film transistor array layer 111 and expose the first substrate 110 at the bottom. In other embodiments, the first blind via V2 may penetrate only a part of the thin film transistor array layer 111, but not completely penetrate, and the same technical effect as the above embodiments can be obtained, which is not limited herein. The first substrate 110 is further provided with a lower polarizer 112 on a side thereof away from the tft array layer 111, and the through hole V1 also penetrates through the lower polarizer 112 at a position corresponding to the light transmissive area a 2.
The color filter substrate 12 includes a second substrate 120 and a color filter layer 121 disposed on one side of the second substrate 120 close to the liquid crystal layer 13, the color filter substrate 12 is also provided with a second blind hole along the thickness direction of the display panel at a position corresponding to the light-transmitting area a2, and the second blind hole penetrates through the color filter layer 121 and exposes the second substrate 120 located at the bottom thereof. The second substrate 120 is further provided with an upper polarizer 122 on a side thereof away from the color filter layer 121, and the upper polarizer 122 is provided with a through hole penetrating through the upper polarizer at a position corresponding to the light-transmitting area a 2.
Further, in step S3, the transparent material is transparent adhesive, and the refractive index of the transparent material is the same as the refractive index of the first substrate 110, so that after the light transmission layer 16 is formed by filling, the light transmission layer 16 and the first substrate 110 can be integrated, the concave surface generated by the sinking deformation of the first substrate 110 can be eliminated, the original transmittance of the light in the light transmission area a2 at the array substrate 11 and the backlight module 14 can be maintained, the influence of the concave surface formed by the array substrate sinking on the light focusing can be reduced or even eliminated, and the performance and quality of the optical element can be improved. Certainly, in some embodiments, the material of the transparent layer 16 may also be other transparent materials, the refractive index of the first substrate 110 is usually about 1.5, and the refractive index of the transparent material only needs to be between 1.3 and 1.7, so as to meet the actual use requirement. The material of the transparent material may be selected according to actual use conditions, and the refractive index of the material also only needs to be close to the refractive index of the first substrate 110, which is not limited herein.
In the embodiment of the present disclosure, the backlight module 14 includes a light guide plate 140 and an optical film 141 disposed on one side of the light guide plate 140 close to the array substrate 11, and the optical film 141 may be an optical film commonly used in the prior art, which is not described herein again. The through hole V1 penetrates the light guide plate 140 and the optical film 141.
Further, in step S3, the light-transmitting layer 16 is disposed in the through hole V1, and the surface of the light-transmitting layer 16 on the side away from the array substrate 11 is flush with the surface of the light guide plate 140 on the side away from the array substrate 11, that is, the light-transmitting layer 16 completely fills the through hole V1, so as to fill a concave surface formed by the concave deformation of the portion of the array substrate 11 in the light-transmitting area a2 toward the liquid crystal layer under the action of the external atmospheric pressure, thereby reducing or even eliminating the influence of the concave surface formed by the concave shape of the array substrate on the light focusing, improving the overall sealing performance of the backlight module 14 and the array substrate 11, and preventing dust, particles and the like from entering the through hole V1 to affect the performance and quality of the.
The beneficial effects of the disclosed embodiment are as follows: according to the manufacturing method of the display device, the transparent material is filled in the through hole of the backlight module and is solidified to form the light transmission layer, one side, close to the array substrate, of the light transmission layer is attached to the position, corresponding to the light transmission area, of the array substrate, the light transmission layer fills the concave surface formed by inward recess of the array substrate, the formation of a Newton ring structure is avoided, the phenomenon that light rays generate interference at the position, corresponding to the light transmission area, of the array substrate is prevented, the influence of the concave surface formed by inward recess of the array substrate on the optical element is reduced, and therefore the performance and the quality of the optical element are improved.
In summary, although the present disclosure has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present disclosure, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, so that the scope of the present disclosure is defined by the appended claims.
Claims (10)
1. A display device, comprising:
the display panel comprises a light-transmitting area and a display area arranged around the light-transmitting area, and further comprises an array substrate, a color film substrate and a liquid crystal layer arranged between the array substrate and the color film substrate, wherein the array substrate and the color film substrate are oppositely arranged;
the backlight module is arranged on one side of the array substrate, which is far away from the color film substrate, and through holes along the thickness direction of the display panel are formed in the positions, corresponding to the light transmission areas, of the backlight module;
the optical element is arranged on one side of the backlight module, which is far away from the display panel, and corresponds to the through hole and the light-transmitting area; and
and the light-transmitting layer is filled in the through hole, and one side of the light-transmitting layer close to the array substrate is attached to the array substrate at a position corresponding to the light-transmitting area.
2. The display device according to claim 1, wherein the backlight module comprises a light guide plate and an optical film disposed on a side of the light guide plate adjacent to the array substrate, and the through hole penetrates the light guide plate and the optical film.
3. The display device according to claim 2, wherein a surface of the light-transmitting layer on a side away from the array substrate is flush with a surface of the light guide plate on a side away from the array substrate.
4. The display device according to claim 1, wherein the array substrate comprises a first substrate and a thin film transistor array layer disposed on a side of the first substrate close to the liquid crystal layer, and the array substrate is provided with a first blind hole along a thickness direction of the display panel at a position corresponding to the light transmission region.
5. The display device according to claim 4, wherein the color filter substrate comprises a second substrate and a color filter layer disposed on a side of the second substrate close to the liquid crystal layer, and the color filter substrate is provided with a second blind hole along a thickness direction of the display panel at a position corresponding to the light-transmitting area.
6. The display device according to claim 1, wherein a plurality of spacers are arranged in an array manner in the display region between the array substrate and the color filter substrate.
7. The display device of claim 1, wherein the optical element comprises at least one of a camera, an optical fingerprint sensor, a proximity light sensor, a structured light sensor, an infrared laser emitter, an ambient light sensor.
8. A method for manufacturing a display device, comprising:
providing a display panel and a backlight module, wherein the display panel comprises a light-transmitting area and a display area arranged around the light-transmitting area, the display panel also comprises an array substrate, a color film substrate and a liquid crystal layer arranged between the array substrate and the color film substrate which are oppositely arranged, and the backlight module is provided with a through hole along the thickness direction of the display panel at a position corresponding to the light-transmitting area;
attaching the backlight module to one side, away from the color film substrate, of the array substrate of the display panel; and
filling transparent materials in the through holes, curing and shaping at room temperature to form a light transmission layer, and attaching one side of the light transmission layer close to the array substrate to the position of the array substrate corresponding to the light transmission area.
9. The method according to claim 8, wherein the backlight module comprises a light guide plate and an optical film disposed on a side of the light guide plate adjacent to the array substrate, and the through hole penetrates the light guide plate and the optical film.
10. The method for manufacturing the display device according to claim 9, wherein a surface of the light-transmitting layer on a side away from the substrate is flush with a surface of the light guide plate on a side away from the substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010844176.0A CN111983840A (en) | 2020-08-20 | 2020-08-20 | Display device and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010844176.0A CN111983840A (en) | 2020-08-20 | 2020-08-20 | Display device and manufacturing method thereof |
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| CN114690468A (en) * | 2022-04-12 | 2022-07-01 | 广州华星光电半导体显示技术有限公司 | Display panel and display device |
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