CN113485044A - Display device - Google Patents

Display device Download PDF

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Publication number
CN113485044A
CN113485044A CN202110848616.4A CN202110848616A CN113485044A CN 113485044 A CN113485044 A CN 113485044A CN 202110848616 A CN202110848616 A CN 202110848616A CN 113485044 A CN113485044 A CN 113485044A
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CN
China
Prior art keywords
light
display device
layer
hole
display panel
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Granted
Application number
CN202110848616.4A
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Chinese (zh)
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CN113485044B (en
Inventor
张鹏
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Wuhan China Star Optoelectronics Technology Co Ltd
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Wuhan China Star Optoelectronics Technology Co Ltd
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Priority to CN202110848616.4A priority Critical patent/CN113485044B/en
Publication of CN113485044A publication Critical patent/CN113485044A/en
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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
    • 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
    • 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
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • 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 embodiment of the application provides a display device, inside through-hole structure that sets up at display device's display module assembly, simultaneously, still set up light enhancement layer structure between display panel and backlight unit, and set up the leaded light post structure in the inside of this through-hole structure, when light reaches this light enhancement layer, light in the through-hole corresponding region can propagate to the leaded light post along the light enhancement layer, thereby the light inlet amount in the effectual improvement through-hole, and simultaneously, because the leaded light post lateral wall is provided with the light shield layer, thereby the effectual effluvium that has prevented light, and then the effectual display effect and the photographic effect that improve display panel, the comprehensive properties of comprehensive screen equipment has been improved.

Description

Display device
Technical Field
The present invention relates to the field of display panel and display device manufacturing technology, and in particular to a display device.
Background
With the continuous improvement of the display panel manufacturing technology, people have higher and higher requirements on the performance and quality of the display panel and the display device.
In recent years, the full-screen display technology has been paid more and more attention, and the full-screen display panel has a larger display area, a narrower frame and a better display effect and is widely applied. In the prior art, in order to realize full-screen display of a display panel to the greatest extent, but also to require other functions such as camera shooting of the display panel, the aperture of a hole is often made as small as possible when the hole is dug on a screen. Or directly set up this hole in display panel's module, owing to set up in display panel's module, consequently, look at in the display vision, display panel more approaches to full screen. However, in the current manufacturing technology, the camera hole is disposed in the display module of the display panel, the camera hole is only used as a receiving and transmitting channel for the ambient light of the camera device below the display module, and no light source is provided inside the camera hole to provide brightness for the camera hole, and light leakage occurs in the film layers on both sides of the camera hole and enters the camera device. Therefore, when the display panel performs image pickup, the image quality may be whitened, and the display effect of the display panel may be reduced to some extent.
In summary, in the existing full-screen display panel, the light leakage is easily generated in the light-transmitting holes arranged inside the display module, and then the problem that the picture quality of the shot picture is whitish when the picture is shot by the display panel is caused.
Disclosure of Invention
The embodiment of the invention provides a display device, which aims to solve the problems that in an existing full-screen display panel, light is easy to leak through a light hole arranged in a display module, and further the photographing effect and the display effect of the display panel are poor.
In order to solve the above technical problem, the technical method provided by the embodiment of the present invention is as follows:
in a first aspect of embodiments of the present invention, there is provided a display device, including:
a display panel;
the backlight module is arranged on the backlight side of the display panel, and a through hole is formed in the backlight module; and the number of the first and second groups,
the light enhancement layer is arranged between the backlight module and the display panel;
the display device further comprises a light guide column, the light guide column is arranged in the through hole, and one end face of the light guide column faces the display panel and the side wall of the light guide column is light-tight.
According to an embodiment of the present invention, a light shielding layer is disposed on a sidewall of the light guiding pillar, and the light shielding layer surrounds the sidewall.
According to an embodiment of the present invention, the light-shielding layer is at least one metal plating layer.
According to an embodiment of the present invention, the display device further includes a transition layer disposed between the backlight module and the light enhancement layer and surrounding the through hole.
According to an embodiment of the present invention, a light blocking member is disposed on an end surface of the transition layer facing the side of the through hole region.
According to an embodiment of the present invention, one end of the light blocking member of the display device is in contact with the light enhancement layer, and the other end of the light blocking member extends to the backlight module.
According to an embodiment of the present invention, the end surface of the light guide pillar is attached to the light enhancement layer through a transparent adhesive layer.
According to an embodiment of the invention, the light transmittance of the transparent adhesive layer is greater than or equal to 92%, and the thickness of the transparent adhesive layer is less than or equal to 0.015 um.
According to an embodiment of the present invention, the display panel includes an array substrate, a color filter substrate, and a liquid crystal layer disposed between the array substrate and the color filter substrate, wherein the array substrate is disposed on the light enhancement layer.
According to an embodiment of the present invention, the thickness of the light enhancement layer is less than or equal to 0.05 mm.
In summary, the embodiments of the present invention have the following beneficial effects:
the embodiment of the invention provides a display device, when the full-screen display device is prepared and formed, a light hole structure is arranged in a display module of the display device, a light enhancement layer structure is also arranged between a display panel and the display module, and a light guide column structure is arranged in the light hole structure.
Drawings
The technical solution and other advantages of the present invention will become more apparent from the detailed description of the embodiments of the present invention with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a prior art full-screen display device;
fig. 2 is a schematic diagram of a film structure of a full-screen display device according to an embodiment of the present disclosure;
fig. 3 is a schematic view of a film structure of another display device according to an embodiment of the present disclosure.
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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
With the increasing requirements of people on the use performance and the display quality of the display panel, the use field of the full-face screen is also continuously expanded. However, in the full-screen display device prepared in the prior art, no light source is often provided in the light-transmitting holes, so that the display effect and the photographing effect of the full-screen are reduced, and the improvement of the comprehensive performance of the full-screen display panel is not facilitated.
As shown in fig. 1, fig. 1 is a schematic structural diagram of a full-screen display device provided in the prior art. The full-screen display device includes: backlight unit 100 and display panel 101, wherein, display panel 101 sets up on module 100, in order to realize the comprehensive screen display of display panel 101, still is provided with light trap 104 in module 100 inside, through the corresponding camera module 105 that sets up in the below of light trap 104 to realize display device's the function of shooing. In the prior art, the first shielding layer 103 and the second shielding layer 102 are arranged to prevent light on the module side from leaking into the light hole 104 to affect the display and shooting effects. However, in the above structure, no light source is provided inside the light transmission hole 104, which is disadvantageous to the photographing performance of the display device.
The embodiment of the application provides a comprehensive screen display panel to among the current full-face screen display device of effectual solution, no light source provides luminance in the light trap, and display device shoots and the unsatisfactory scheduling problem of display effect.
As shown in fig. 2, fig. 2 is a schematic view of a film structure of a full-screen display device according to an embodiment of the present disclosure. The display device includes a backlight module 20 and a display panel 21. Specifically, the display panel 21 is disposed on the backlight module 20, that is, the backlight module 20 is disposed on a backlight side of the display panel 21. When the display device performs light emission display, the display panel 21 displays a display screen.
Further, the display panel 21 in the embodiment of the present application further includes an array substrate 206 and a color filter substrate 207. The color filter substrate 207 is disposed on the array substrate 206. The array substrate 206 in this embodiment may be a thin film transistor array substrate, and a liquid crystal layer or other film layers are further disposed between the array substrate 206 and the color film substrate 207, and the specific structure may be set according to an existing film layer structure, which is not described in detail herein.
Further, when the backlight module 20 in the embodiment of the present application is disposed, the through hole 23 is further disposed in the backlight module 20. The through hole 23 penetrates all layers in the backlight module 20, so that the through hole 23 can be a light-transmitting hole through which light can pass from the bottom of the backlight module 20 and propagate to the outside of the display panel 21. The through hole 23 in the embodiment of the present application may also be a camera hole, and the camera device 210 is disposed below the camera hole to realize image pickup. Specifically, when the display device performs a photographing function, light passes through the through hole 23 and reaches the inside of the image pickup device 210, and the image pickup device 210 receives the light signal and photographs external things.
Specifically, the through holes 23 in the embodiment of the present application may be disposed at corresponding positions in the display area of the display panel, or the through holes 23 may be directly disposed at corresponding positions in the frame or the non-display area of the display panel. When the through hole 23 is disposed within the display area of the display panel, the through hole 23 may be disposed near an edge of the display panel to reduce an influence on a picture within the display area.
Preferably, the backlight module 20 in the embodiment of the present application further includes a substrate 200, a reflective film layer 201, a light guide plate 202, a diffusion sheet 203, and a brightness enhancement film 204. Specifically, the reflective film layer 201 is disposed on the substrate 200, the light guide plate 202 is disposed on the reflective film layer 201, the diffusion sheet 203 is disposed on the light guide plate 202, and the brightness enhancement sheet 204 is disposed on the diffusion sheet 203. The through hole 23 penetrates through the above films and forms a light hole structure in the backlight module 20.
In order to increase the light entering amount of the through hole 23 in the backlight module 20, a light enhancement layer 205 is further disposed in the display device in the embodiment of the present application. The light enhancement layer 205 is disposed on the backlight module 20, that is, in the embodiment of the present application, the light enhancement layer 205 is disposed between the backlight module 20 and the film layer of the display panel 21. Specifically, the light enhancement layer 205 may be disposed on the brightness enhancement film 204 of the backlight module 20. When the light enhancement layer 205 is disposed, the light enhancement layer 205 at least completely covers the film layer in the region corresponding to the through hole 23, preferably, the length or width of the light enhancement layer 205 is the same as the length or width of the backlight module 20, so as to effectively ensure that the light in the backlight module 20 enters the light enhancement layer 205, thereby effectively improving the photographing effect and the display effect of the display device.
In the embodiment of the present application, when the light enhancement layer 205 is disposed, the material of the light enhancement layer 205 may be selected from a high light-transmitting material, specifically, the high light-transmitting material may be a transparent glass, a transparent resin material, a polyimide transparent material, a PMMA transparent material, and the like with high light transmittance. In the embodiment of the present application, the light enhancement layer 205 is illustrated by taking a transparent glass material as an example.
Meanwhile, in order to further reduce the film thickness of the display device, in the embodiment of the present application, when the light enhancement layer 205 is disposed, the film thickness of the light enhancement layer 205 is less than or equal to 0.05 mm. The preferred thickness of the light enhancement layer 205 is set to 0.05 mm.
Further, when the material of the light enhancement layer 205 is selected to be a polyimide material, the thickness of the polyimide film layer is set to be less than or equal to 10um, so that the light and thin design of the display device is realized.
In the embodiment of the present application, since the light enhancement layer 205 is disposed on the backlight module 20, and the light enhancement layer 205 covers the through hole 23, when light passes through the backlight module 20, the light sequentially passes through the light enhancement layer 205 and then enters the display panel 21, when the light enhancement layer 205 receives the light in the backlight module 20, the light propagates in the light enhancement layer 205, wherein the light propagates not only in the vertical direction, but also in the horizontal direction of the light enhancement layer 205, and when the light propagates in the horizontal direction to the region corresponding to the through hole 23, the light in the region passes through the light enhancement layer 205 and reaches the through hole 23, thereby effectively increasing the amount of light transmitted through the through hole in the display device, and effectively improving the display effect and the photographing performance of the display device.
Further, the display device in the embodiment of the present application further includes a light guide pillar 209. The light guide posts 209 are disposed in the backlight module 20, and the light guide posts 209 are disposed in the through holes 23, when the light guide posts 209 are disposed, the height of the light guide posts 209 can be the same as the depth of the through holes 23, so that the lower end surfaces of the light guide posts 209 are flush with the bottom of the backlight module 20.
Specifically, the end surface of the upper portion of the light guide pillar 209 is disposed toward one side of the display panel 21, and the upper end surface of the light guide pillar 209 is attached to one surface of the light enhancement layer 205. When the light guide pillar 209 is attached, the upper end surface of the light guide pillar 209 may be directly contacted with the light enhancement layer 205, or the light enhancement layer 205 and the light guide pillar 209 may be bonded by an adhesive to fix the light guide pillar 209.
In the embodiment of the present application, when setting up the light guide column 209, the diameter of light guide column 209 is less than the aperture of through-hole 23, through reserving clearance 211 between the lateral wall at light guide column 209 and through-hole 23 to effectually prevent that light guide column 209 from contacting with other retes of lateral wall and causing the interference, and effectual reliability and the comprehensive properties that have improved display device.
Further, when the light guide pillar 209 is disposed, a light shielding layer 208 is further disposed on the peripheral sidewall of the light guide pillar 209. Specifically, the light shielding layer 208 can wrap the sidewall of the light guide pillar 209, wherein the light shielding layer 208 is an opaque material, and specifically, the opaque material can be a metal plating material.
Preferably, the plating is silver plating or aluminum plating. Meanwhile, in order to ensure the shading effect of the shading layer 208, when the cladding material is arranged, at least one cladding layer or multiple cladding layers can be sprayed, the shading effect of the shading layer 208 is effectively improved through the structure of forming the cladding layers for many times, and the light in the light guide column 209 is prevented from being transmitted to the backlight module from the side wall of the light guide column 209, so that the display effect of the display device is reduced.
Further, when the light shielding layer 208 is disposed, when the light shielding layer 208 is a silver or aluminum plating layer, a gray or gun gray material may be continuously sprayed on the silver or aluminum plating layer, and when the light shielding layer 208 is disposed, the thickness of the light shielding layer 208 is preferably less than 0.05 um. The gray or gun gray plating layer is continuously arranged on the original plating layer, so that the shading effect of the shading layer 208 is further improved.
Fig. 3 is a schematic view of a film structure of another display device according to an embodiment of the present disclosure, as shown in fig. 3. The display device includes a backlight module 20 and a display panel 21 disposed on the backlight module 20. Specifically, the backlight module 20 is further provided with a through hole 23, and the through hole 23 penetrates through all the film layers in the backlight module 20. Therefore, the through hole 23 can be a light-transmitting hole through which light passes from the lower side of the backlight module 20 and propagates to the outside of the display panel 21.
Meanwhile, the backlight module 20 further includes a substrate 200, a reflective film 201, a light guide plate 202, a diffusion sheet 203, and a brightness enhancement film 204. Specifically, the reflective film layer 201 is disposed on the substrate 200, the light guide plate 202 is disposed on the reflective film layer 201, the diffusion sheet 203 is disposed on the light guide plate 202, and the brightness enhancement sheet 204 is disposed on the diffusion sheet 203. The through hole 23 penetrates through the above films and forms a light hole structure in the backlight module 20.
In order to increase the light entering amount of the through hole 23 in the backlight module 20, the display device in the embodiment of the present application is further provided with a light enhancement layer 205 and a transition layer 302. Wherein the transition layer 302 is disposed in the backlight module 20. Specifically, the transition layer 302 is disposed on the brightness enhancement film 204 of the backlight module 20, and the light enhancement layer 205 is disposed on the transition layer 302, so that the transition layer 302 is disposed around the through hole 23.
The light enhancement layer 205 is disposed on the backlight module 20, that is, in the embodiment of the present application, the light enhancement layer 205 is disposed between the backlight module 20 and the film layer of the display panel 21. Specifically, the light enhancement layer 205 may be disposed on the brightness enhancement film 204 of the backlight module 20. When the light enhancement layer 205 is disposed, the light enhancement layer 205 at least completely covers the film layer in the region corresponding to the through hole 23.
The size of the transition layer 302 in the embodiment of the present application may be the same as that of the backlight module 20, so as to ensure the consistency of the film layers. The material of the transition layer 302 may be a transparent glass layer, and the thickness of the film layer of the transition layer 302 is less than 0.08 mm.
Through set up transition layer 302 in backlight unit 20, light can directly reach in transition layer 302 to in rethread transition layer 302 spreads light enhancement layer 205, because the scattering effect of transition layer 302, can effectually improve the light that reaches light enhancement layer 205 in backlight unit 20, and finally make the light that corresponds in the through-hole 23 region obtain the reinforcing, thereby guarantee to enter into the light in the through-hole 23, and finally improved display device's photographic effect and display quality.
Further, when the transition layer 302 is provided, a light blocking member 303 is further provided on an end surface of the transition layer 302 facing the center of the through hole 23. The light blocking member 303 can be directly attached to the side wall of the transition layer 302, and the light inside the transition layer 302 is prevented from leaking from the side wall through the arranged light blocking member 303, so that the influence on the camera module in the through hole 23 is avoided.
Preferably, when the light blocking member 303 is provided, the material of the light blocking member 303 may be the same as the light guide post 209, that is, the material of the light blocking member 303 is provided as a metal opaque plating layer, such as a silver plating layer or an aluminum plating layer. And the height of the light blocking member 303 does not exceed the film thickness of the corresponding transition layer 302. In the embodiment of the present application, when the light blocking member 303 is provided, the light blocking member 303 may also be a member having another shape or structure, and the purpose and function of the light blocking member are to block light at the side wall of the transition layer 302 to prevent the light at the region from entering the through hole 23.
Thus, when the light blocking member 303 is disposed, one end of the light blocking member 303 may directly contact the light enhancement layer 205, and the other end of the light blocking member 303 extends to the backlight module, preferably, the other end of the light blocking member 303 may be flush with the lower end surface of the transition layer 302, and the lower end of the disposed light blocking member 303 is prevented from exceeding the transition layer 302. Thereby effectively preventing the problem of interference between the stop optical member 303 and other film layers. In the present embodiment, when the transition layer 302 is disposed, the material of the transition layer 302 may also be the same as the material of the light enhancement layer 205, thereby further increasing the amount of light entering into the through hole 23.
In the embodiment of the present application, a transparent adhesive layer 301 is further disposed in the display device. Specifically, the transparent adhesive layer 301 is disposed between the light guide column 209 and the light enhancement layer 205, and the upper end surface of the light guide column 209 is bonded to the light enhancement layer 205 through the transparent adhesive layer 301, so as to fix the light guide column 209, thereby ensuring the reliability of the display device.
Specifically, in order to reduce the influence of the transparent adhesive layer 301 on light, the transparent adhesive layer 301 in the embodiment of the present application may be configured as a PSA adhesive material, and the smaller the thickness of the transparent adhesive layer 301 is, the better, specifically, the thickness of the transparent adhesive layer 301 is set to be less than or equal to 0.015 um. On one hand, the transparent adhesive layer 301 can effectively fix the light guide pillar 209, and on the other hand, the transparent adhesive layer 301 does not increase the overall thickness of the backlight module to a certain extent, thereby realizing a light and thin display device.
Preferably, the light transmittance of the transparent adhesive layer 301 in the embodiment of the present application is greater than or equal to 92%, and specifically, the light transmittance of the transparent adhesive layer 301 is 92%, so as to ensure the amount of light entering the through holes 23, and improve the hour effect and the photographing effect of the display device.
In the embodiment of the present invention, when the backlight module 20 and the films in the display panel 21 are disposed, the thicknesses of the films are as small as possible, which is beneficial to the design of the light and thin display device and panel. The specific thickness of each film layer can be determined according to the specification or model of the actual product, and details are not repeated here.
Specifically, the thickness of the film layer of the light enhancement layer 205 in the embodiment of the present application is less than or equal to 0.05mm, and the distance between the top of the through hole 23 and the array substrate of the display panel is not more than 22um, so that the distance between the display panel 21 and the through hole 23 is shortened, the light entering condition of the through hole 23 is effectively improved, the problems that a shot picture is easily whitened when the display device performs picture display or takes a picture are solved, and finally, the display effect or the picture taking quality of the display device is effectively improved.
The display device provided by the embodiment of the present invention is described in detail above, and the principle and the implementation 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 device, comprising:
a display panel;
the backlight module is arranged on the backlight side of the display panel, and a through hole is formed in the backlight module; and the number of the first and second groups,
the light enhancement layer is arranged between the backlight module and the display panel;
the display device further comprises a light guide column, the light guide column is arranged in the through hole, and one end face of the light guide column faces the display panel and the side wall of the light guide column is light-tight.
2. The display device according to claim 1, wherein a side wall of the light guide pillar is provided with a light shielding layer, and the light shielding layer is provided around the side wall.
3. The display device according to claim 2, wherein the light shielding layer is at least one metal plating layer.
4. The display device according to claim 1, further comprising a transition layer disposed between the backlight module and the light enhancement layer and surrounding the through hole.
5. The display device according to claim 4, wherein a light blocking member is provided on an end surface of the transition layer on the side toward the via region.
6. The display device according to claim 5, wherein one end of the light blocking member of the display device is in contact with the light enhancement layer, and the other end of the light blocking member extends to the backlight module.
7. The display device according to claim 1, wherein the end surface of the light guide pillar is attached to the light enhancement layer by a transparent adhesive layer.
8. The display device according to claim 4, wherein the light transmittance of the transparent adhesive layer is greater than or equal to 92%, and the thickness of the transparent adhesive layer is less than or equal to 0.015 um.
9. The display device according to claim 1, wherein the display panel comprises an array substrate, a color filter substrate, and a liquid crystal layer disposed between the array substrate and the color filter substrate, wherein the array substrate is disposed on the light enhancement layer.
10. The display device according to claim 1, wherein the thickness of the light enhancement layer is 0.05mm or less.
CN202110848616.4A 2021-07-27 2021-07-27 Display device Active CN113485044B (en)

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Application Number Priority Date Filing Date Title
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CN113485044B CN113485044B (en) 2022-07-29

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114038320A (en) * 2021-11-19 2022-02-11 武汉华星光电半导体显示技术有限公司 Display panel and display device

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