CN108089386A - cover board, display module and mobile terminal - Google Patents
cover board, display module and mobile terminal Download PDFInfo
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- CN108089386A CN108089386A CN201711488908.1A CN201711488908A CN108089386A CN 108089386 A CN108089386 A CN 108089386A CN 201711488908 A CN201711488908 A CN 201711488908A CN 108089386 A CN108089386 A CN 108089386A
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- display screen
- ink layer
- layer
- cover board
- electroluminescent ink
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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
- G02F1/15—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 an electrochromic effect
- G02F1/153—Constructional details
-
- 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
- G02F1/15—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 an electrochromic effect
- G02F1/153—Constructional details
- G02F1/157—Structural association of cells with optical devices, e.g. reflectors or illuminating devices
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
This application involves a kind of cover board, display module and mobile terminal, cover board is set for covering to display screen.Cover board includes substrate and electroluminescent ink layer.Substrate is transparent, and substrate has the first surface towards display screen and the second surface backwards to display screen.Electroluminescent ink layer is arranged on first surface, the inward flange of electroluminescent ink layer defines the viewfinder area of substrate, and whole non-display areas of display screen are blocked in the orthographic projection of electroluminescent ink layer on a display screen, electroluminescent ink layer can shine when being powered.Above-mentioned cover board, when display screen is lighted, non-display area is blocked by electroluminescent ink layer, and the black surround in viewfinder area just becomes display effect that is invisible, thus can beautifying display screen.Electroluminescent ink layer can shine when being powered, and electroluminescent ink layer can also send the light of different colours, therefore can play preferable decorative effect to the appearance of mobile terminal.
Description
Technical field
This application involves the technical field of mobile terminal, more particularly to a kind of cover board, display module and mobile terminal.
Background technology
The display screen of mobile terminal (mobile phone, tablet etc.) generally comprises viewing area and non-display area.When display screen is lighted,
The non-display area in black can be observed through cover board, causing display screen, black surround is to the appearance of mobile terminal there are black surround phenomenon
Generate adverse effect.
The content of the invention
The embodiment of the present application provides a kind of cover board, display module and mobile terminal, to solve the black surround of display screen to movement
The problem of terminal appearance has a negative impact.
A kind of cover board is set for covering to display screen, and the cover board includes：
Substrate is transparent；The substrate has towards the first surface of the display screen and backwards to the display screen
Second surface；And
Electroluminescent ink layer is arranged on the first surface, and the inward flange of the electroluminescent ink layer defines
The viewfinder area of the substrate, and the complete of the display screen is blocked in the orthographic projection of the electroluminescent ink layer on the display screen
Portion's non-display area；The electroluminescent ink layer can shine when being powered.
In one of the embodiments, the electroluminescent ink layer include the first individual layer and the second individual layer, described first
Individual layer is arranged on the first surface, and the inward flange of first individual layer defines the viewfinder area, and first individual layer
All non-display areas are blocked in orthographic projection on the display screen；Second individual layer is arranged at the court of first individual layer
To the one side of the display screen；First individual layer can send the light of the first color when being powered, and second individual layer is logical
The light of the second color can be sent when electric.
In one of the embodiments, the orthographic projection position of the inward flange of the electroluminescent ink layer on the display screen
In in the viewing area of the display screen, and the orthographic projection on the display screen of the inward flange of the electroluminescent ink layer and institute
That states the edge of viewing area is smaller than 0.15 millimeter.
In one of the embodiments, the cover board further includes reflecting layer, and the reflecting layer is arranged at the viewfinder area
Periphery, and the reflecting layer is connected with the electroluminescent ink layer, and the reflecting layer is for preventing from being gone out by the display screen
The light penetrated penetrates the electroluminescent ink layer.
In one of the embodiments, the orthographic projection of the inward flange in the reflecting layer on the display screen and the display
The coincident of the viewing area of screen.
In one of the embodiments, the reflecting layer is silver reflecting layer, and the reflecting layer has reflecting surface, described anti-
Face is penetrated as plane, the reflecting surface is towards the viewing area of the display screen, and the angle of the reflecting surface and the display screen is
Acute angle.
In one of the embodiments, the cover board further includes shading piece, and the shading piece is arranged at the electroluminescent
The one side of the direction display screen of ink layer, and the shading piece is located at the periphery of the viewfinder area；The shading piece is used for
Light that the electroluminescent ink layer is sent is prevented to be incident to the viewing area of the display screen.
In one of the embodiments, the orthographic projection of the inward flange of the shading piece on the display screen with it is described electroluminescent
The orthographic projection of the inward flange of light-emitting oil layer of ink on the display screen overlaps.
A kind of display module, including display screen and above-described cover board, the cover plate lid is arranged on the display screen.
A kind of mobile terminal, including rear shell and above-described display module, the display screen is at least partially housed in institute
It states in rear shell, and the cover board is fixedly connected with the rear shell.
In one of the embodiments, the rear shell includes body and boss, and the body and the boss are integrally formed,
The cover board is connected on the body；The body has supporting surface, between the end of the boss and the supporting surface
Maximum range is less than the maximum range between the second surface and the supporting surface.
Above-mentioned cover board, display module and mobile terminal, the first surface of the substrate of cover board are equipped with electroluminescent ink layer,
Whole non-display areas of display screen are blocked in the orthographic projection of electroluminescent ink layer on a display screen, non-aobvious when display screen is lighted
Show that area is blocked by electroluminescent ink layer, the black surround in viewfinder area just becomes invisible, thus can beautify the aobvious of display screen
Show effect.Electroluminescent ink layer can be connected with the microprocessor communication of mobile terminal, can also with set inside mobile terminal
The independent control module communication connection put, electroluminescent ink layer can shine when being powered, and electroluminescent ink layer is also
The light of different colours can be sent, therefore the energization of electroluminescent ink layer can be controlled by microprocessor or control module and is broken
Electricity, and then preferable decorative effect is played to the appearance of mobile terminal.
Description of the drawings
It in order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the stereogram of mobile terminal in an embodiment；
Fig. 2 is the front view of mobile terminal shown in Fig. 1；
Fig. 3 be mobile terminal shown in Fig. 2 an embodiment in along the sectional view at A-A；
Fig. 4 be mobile terminal shown in Fig. 3 an embodiment in display module sectional view；
Fig. 5 be mobile terminal shown in Fig. 3 another embodiment in display module sectional view；
Fig. 6 be mobile terminal shown in Fig. 2 another embodiment in along the sectional view at A-A；
Fig. 7 is the sectional view of the display module of mobile terminal shown in Fig. 6；
Fig. 8 be mobile terminal shown in Fig. 2 another embodiment in along the sectional view at A-A；
Fig. 9 be mobile terminal shown in Fig. 8 an embodiment in display module sectional view；
Figure 10 be mobile terminal shown in Fig. 8 another embodiment in display module sectional view；
Figure 11 be mobile terminal shown in Fig. 8 another embodiment in display module sectional view；
Figure 12 be mobile terminal shown in Fig. 3 another embodiment in display module sectional view；
Figure 13 be mobile terminal shown in Fig. 3 another embodiment in display module sectional view.
Specific embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In attached drawing
Give the preferred embodiment of the present invention.But the present invention can realize in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose for providing these embodiments is to make the understanding to the disclosure more saturating
It is thorough comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The normally understood meaning of technical staff is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more phases
The arbitrary and all combination of the Listed Items of pass.
Include, but are not limited to be configured to via wired as " mobile terminal " as used herein (or being referred to as " terminal ")
Connection (such as connects via Public Switched Telephone Network (PSTN), digital subscriber line (DSL), digital cable, direct cable
Connect and/or another data connection/network) and/or via (for example, for cellular network, WLAN (WLAN), such as
The digital TV networks of DVB-H networks, satellite network, AM-FM broadcasting transmitter and/or another communication terminal) wirelessly connect
The device of mouth reception/transmission signal of communication.It is configured to be referred to as by the mobile terminal of radio interface communication " wireless to move
Dynamic terminal ", " wireless terminal " and/or " communication terminal ".The example of mobile terminal includes, but are not limited to satellite or honeycomb electricity
Words；It can be whole with combination cellular radio telephone and the PCS Personal Communications System (PCS) of data processing, fax and its communication ability
End；Can include radio telephone, pager, the Internet/intranet access, Web browser, memo pad, calendar and/or entirely
The PDA of ball alignment system (GPS) receiver；And it conventional laptop and/or palmtop receiver or is received including radio telephone
Send out other electronic devices of device.
With reference to figure 1 and Fig. 2, in one embodiment, mobile terminal 10 is mobile phone, and mobile terminal 10 includes display module 100
With rear shell 200, display module 100 is fixedly connected with rear shell 200.With reference to Fig. 3 and Fig. 4, in one embodiment, display module
100 include cover board 110 and display screen 120, and cover board 110 is covered on display screen 120, after display screen 120 is at least partially housed in
In shell 200, and cover board 110 is fixedly connected with rear shell 200.In one embodiment, display screen 120 includes viewing area 121 and non-aobvious
Show area 123 (BM areas, Black Matrix), viewing area 121 can be used for showing information, and can provide interactive interface to the user.
In one embodiment, display screen 120 is shielded using LCD (Liquid Crystal Display, liquid crystal display) for showing information,
LCD screen can be TFT (Thin Film Transistor, thin film transistor (TFT)) screens or IPS (In-Plane Switching,
Plane conversion) screen or SLCD (Splice Liquid Crystal Display, splicing special liquid crystal are shown) screen.At it
In his embodiment, mobile terminal 10 or tablet etc..
In one embodiment, cover board 110 includes substrate 111 and electroluminescent ink layer 113.Substrate 111 is transparent, base
The generally rectangular shaped bulk of shape of plate 111, the material of substrate 111 can be glass or sapphire, and substrate 111 has preferable saturating
Optical property.In one embodiment, substrate 111 has the first surface 1111 towards display screen 120 and the backwards to display screen 120
Two surfaces 1113, electroluminescent ink layer 113 are arranged on first surface 1111.Inward flange circle of electroluminescent ink layer 113
The viewfinder area 300 of substrate 111 is made, and display screen 120 is blocked in the orthographic projection of electroluminescent ink layer 113 on the display screen 120
Whole non-display areas 123, electroluminescent ink layer 113 be powered when can shine.In one embodiment, electroluminescent ink
Layer 113 include adhesive and electro-luminescent particles, electro-luminescent particles have electric current by when can shine, can add in adhesive
Enter other ingredients, so that the transparency of electroluminescent ink layer 113 reduces, preferably blocked so as to be played to non-display area 123
Effect.In one embodiment, by the viewfinder area 300 that electroluminescent ink layer 113 defines and the viewing area 121 of display screen 120
Adaptation.It is understood that viewfinder area 300 refers to the orthographic projection of viewfinder area 300 on the display screen 120 with being adapted to for viewing area 121
It is overlapped with viewing area 121.It is understood that the minor deviations caused by fabrication error are it will be also be appreciated that belong to institute in the application
The situation for the coincidence said.For example, for example, when the orthographic projection on the display screen 120 of the edge of viewfinder area 300 and viewing area 121
When the distance at edge and the ratio of the width of viewing area 121 are less than 1%, you can think viewfinder area 300 on the display screen 120 just
Projection is overlapped with viewing area 121.
With reference to figure 3 and Fig. 4, in one embodiment, the inward flange of electroluminescent ink layer 113 is on the display screen 120 just
Projection is in the viewing area 121 of display screen 120, and the positive throwing of the inward flange of electroluminescent ink layer 113 on the display screen 120
Shadow is smaller than 0.15 millimeter with the edge of viewing area 121.I.e. printed electroluminescent ink layer 113 when, can cause form
The area in area 300 is less than the area of the viewing area 121 of display screen 120, the inward flange of electroluminescent ink layer 113 and viewing area
The distance at 121 edge can be less than 0.15 millimeter.By above-mentioned setting, the peace because of cover board 110 and display screen 120 can be prevented
Wrongly installed position causes the non-display area 123 of display screen 120 to expose from viewfinder area 300, so as to effectively hide display screen 120
Non-display area 123, to beautify the display effect of mobile terminal.It is understood that the pixel being blocked for viewing area 121
Software control method may be employed so that this partial pixel does not shine, to prevent the display to display screen 120 from generating unfavorable shadow in point
It rings.Further, in one embodiment, the orthographic projection on the display screen 120 of the inward flange of electroluminescent ink layer 113 and display screen
The viewfinder area 300 of the coincident of 120 viewing area 121, i.e. cover board 110 can be aligned with the viewing area 121 of display screen 120.
Due to the inward flange orthographic projection on the display screen 120 of electroluminescent ink layer 113 and the coincident of viewing area 121, when aobvious
When display screen 120 is lighted, all pixels of viewing area 121 can be used in showing.
Above-mentioned cover board 110, the first surface 1111 of the substrate 111 of cover board 110 are equipped with electroluminescent ink layer 113, electricity
Whole non-display areas 123 of display screen 120 are blocked in the orthographic projection of photoluminescence ink layer 113 on the display screen 120, work as display screen
120 when lighting, and non-display area 123 is blocked by electroluminescent ink layer 113, and the black surround in viewfinder area 300 just becomes invisible,
The display effect of display screen 120 can thus be beautified.Electroluminescent ink layer 113 can lead to the microprocessor of mobile terminal 10
Letter connection, the independent control module communication connection that can also be set with 10 inside of mobile terminal, electroluminescent ink layer 113 exist
It can shine during energization, and electroluminescent ink layer 113 can also send the light of different colours, therefore microprocessor or control can be passed through
The energization and power-off of molding block control electroluminescent ink layer 113, and then preferable decoration is played to the appearance of mobile terminal 10
Effect.
In one embodiment, rear shell 200 is metal material such as aluminium alloy.With reference to figure 3, in one embodiment, rear shell 200
Including body 210 and boss 220, body 210 and boss 220 are integrally formed, cover board 110 be arranged on body 210 on and with body 210
It is fixedly connected, boss 220 is located at the edge of substrate 111, and boss 220 forms half pack arrangement, boss 220 to the edge of substrate 111
Good protection can be played to the edge of substrate 111.Further, in one embodiment, body 210 has supporting surface 211, supports
Face 211 is held as plane, supporting surface 211 is equipped with point glue-line 400, and cover board 110 is fixedly connected by glue-line 400 with body 210.
Being fixedly connected for cover board 110 and rear shell 200 is not only improved using mode for dispensing glue, and can prevent the width of the frame of rear shell 200
It is excessive, be conducive to obtain the effect of narrow frame, and then be conducive to beautify the appearance of mobile terminal 10.In one embodiment, boss
Maximum range between 220 end and supporting surface 211 is less than the maximum range between second surface 1113 and supporting surface 211.
Specifically, with reference to figure 3, the maximum range between the second surface 1113 of substrate 111 and supporting surface 211 is H, the end of boss 220
Maximum range between end and supporting surface 211 is h, then H>h.Using the above structure, the boss 220 of rear shell 200 can be to cover board
110 substrate 111 and electroluminescent ink layer 113 plays good protection, and mobile terminal 10 can obtain preferable appearance.
In other embodiments, rear shell 200 or ceramics, glass or plastic or other material.
With reference to figure 5, in one embodiment, electroluminescent ink layer 113 includes the first individual layer 1131 and the second individual layer 1133,
First individual layer 1131 is arranged on first surface 1111, and the inward flange of the first individual layer 1131 defines viewfinder area 300, and first is single
Whole non-display areas 123 are blocked in 1131 orthographic projection on the display screen 120 of layer.Second individual layer 1133 is arranged at the first individual layer 1131
The one side towards display screen 120, the first individual layer 1131 can send the light of the first color when being powered, and the second individual layer 1133 exists
It is capable of the light of the second color during energization.Specifically, in one embodiment, by electroluminescent ink layer 113 by the way of printing
On printing to the first surface 1111 of substrate 111.In printing process, the first individual layer 1131 is first printed, republishes the second individual layer
1133.In one embodiment, the transparency of the first individual layer 1131 is higher than the transparency of the second individual layer 1133, the second individual layer 1133
Transparency is relatively low, thus can preferably block non-display area 123.Above-mentioned setting can realize non-display area 123 hide and
It can be so that the first individual layer of light-transmissive 1131 that the second individual layer 1133 is sent be viewed by a user, to promote the dress of mobile terminal 10
Adorn effect.
In one embodiment, the width of the first individual layer 1131 is more than the width of the second individual layer 1133, that is, prints the second individual layer
When 1133, the inward flange of the second individual layer 1133 is made to be deviated to the direction at the center away from viewfinder area 300.Further, implement one
In example, the inward flange of the orthographic projection of the inward flange of the first individual layer 1131 on the display screen 120 and the second individual layer 1133 is in display screen
Orthographic projection on 120 is smaller than 0.15 millimeter.The above-mentioned processing being provided with beneficial to the second individual layer 1133, and can prevent from printing
The inward flange of the second individual layer 1133 exceeds the inward flange of the first individual layer 1131 in the process, to avoid the second individual layer 1133 to display screen
120 appearance has a negative impact.It is understood that the quantity of the first individual layer 1131 can be multilayer, the second individual layer 1133
Quantity or multilayer.
In one embodiment, the first individual layer 1131 can send the light of the first color when being powered, and the second individual layer 1133 exists
The light of the second color can be sent during energization.Specifically, in one embodiment, the first color is light green color, and the second color is shallow
Blueness.First individual layer 1131 and the second individual layer 1133 can be separately energized, so that electroluminescent ink layer 113 only sends a kind of face
The light of color.In other embodiments, the first individual layer 1131 and the second individual layer 1133 can also be powered simultaneously, so that electroluminescent
Ink layer 113 sends the light of blend color.Further, in other embodiments, may be set to be can for the first individual layer 1131
To send the light of multiple color.It in one embodiment, can be by controlling electroluminescent ink layer 113 on first surface 1111
Distribution enable 113 display pattern of electroluminescent ink layer, further to promote the decorative effect of display screen 120.
In one embodiment, substrate 111 is flat glass, and flat glass processing cost is low, and planar substrate 111 has
Beneficial to the processing of electroluminescent ink layer 113.With reference to figure 6 and Fig. 7, in another embodiment, substrate 111 can be curved surface glass
Glass, such as 2.5D glass or 3D glass.Electroluminescent ink layer is set by the one side towards display screen 120 in bend glass
113, the black surround of 120 surrounding of display screen can either be effectively blocked, and mobile terminal 10 can be made to obtain preferable appearance.
With reference to figure 8 and Fig. 9, in one embodiment, cover board 110 can also include reflecting layer 115, and reflecting layer 115 is arranged at
The periphery of viewfinder area 300, and reflecting layer 115 is connected with electroluminescent ink layer 113, reflecting layer 115 is used to prevent by display screen
The light of 120 outgoing penetrates electroluminescent ink layer 113.In one embodiment, reflecting layer 115 is silver reflecting layer.Specifically,
In one embodiment, reflecting layer 115 includes multilayer silver atoms layer, and reflecting layer 115 has higher reflectivity, by viewing area 121
On reflecting layer 115 mirror-reflection occurs for the light being emitted on reflecting layer 115, this some light is to viewing area 121 or form
Area 300 is reflected, and will not penetrate electroluminescent ink layer 113, thus can be to avoid electroluminescent ink layer 113 close to aobvious
Show that the inward flange in area 121 generates bright border phenomenon.The light that reflecting layer 115 is also possible to prevent the transmitting of electroluminescent ink layer 113 shines
The viewing area 121 of display screen 120 is incident upon, the display of display screen 120 is produced to avoid the light that electroluminescent ink layer 113 is emitted
Raw detrimental effect.It is understood that the thickness in reflecting layer 115 can be made very thin, for example, when reflecting layer 115 is silver
During reflecting layer 115, the thickness in reflecting layer 115 is visually almost sightless.It is understood that reflecting layer 115 also may be used
With using the material of other high reflectances.It is understood that reflecting layer 115 is not essential, for example, can make electroluminescent
The region of the close viewfinder area 300 of ink layer 113 does not shine, and makes the transparency of this subregion relatively low, it is possible to prevent electricity
The light that photoluminescence ink layer 113 is emitted is incident to viewing area 121, prevented also from the light that viewing area 121 is emitted through electroluminescent
Light-emitting oil layer of ink 113.
In one embodiment, the orthographic projection of the inward flange in reflecting layer 115 on the display screen 120 is located within viewing area 121,
Reflecting layer 115 can be with the pixel of shield portions viewing area 121, and the pixel that this part is blocked may not necessarily be used to show.
Above-mentioned setting can ensure reflecting effect of the reflecting layer 115 to the edge of viewing area 121, prevent because of the installation error of cover board 110
Cause 123 exposed generation black surround of non-display area.In another embodiment, the inward flange in reflecting layer 115 is being on the display screen 120 just
Projection and the coincident of viewing area 121, thus can ensure that the viewing area 121 of display screen 120 is fully utilized.
With reference to figure 10, in one embodiment, reflecting layer 115 can be stepped, i.e., reflecting layer 115 from viewing area 121 to
Non-display area 123 extends and stepped.Reflecting layer 115 have reflecting surface 116, reflecting surface 116 can be plane, reflecting surface
116 can be perpendicular or parallel with display screen 120.In the embodiment shown in fig. 10, reflecting surface 116 include the first reflecting surface 1161,
Second reflecting surface 1163 and the 3rd reflecting surface 1165, the first reflecting surface 1161 and the 3rd reflecting surface 1165 hang down with display screen 120
Directly, the second reflecting surface 1163 is parallel with display screen 120.The light being emitted to by viewing area 121 on reflecting layer 115 is reflected first
Mirror-reflection is generated on face 1161, the second reflecting surface 1163 and the 3rd reflecting surface 1165, light will not penetrate electroluminescent ink
Layer 113, thus can prevent the inward flange of electroluminescent ink layer 113 from generating bright border phenomenon.It is understood that the first reflection
Face 1161, the second reflecting surface 1163 it is vertical with display screen 120 it is not necessary to, the second reflecting surface 1163 and display screen 120
Parallel nor is it necessary that.
Further, with reference to figure 11, in one embodiment, the reflecting surface 116 in reflecting layer 115 is plane, and 116 court of reflecting surface
It is obliquely installed to viewing area 121, reflecting surface 116 and the angle of display screen 120 are acute angle.Above-mentioned reflecting surface 116 is simple in structure, easily
In processing.The effect in reflecting layer 115 is, can prevent the light that display screen 120 is emitted from penetrating electroluminescent ink layer
113, thus bright border phenomenon can be generated to avoid the inward flange of the close viewing area 121 of electroluminescent ink layer 113, it is basic herein
On, the reflecting surface 116 in reflecting layer 115 can make various deformation, and details are not described herein again.
With reference to figure 12 and Figure 13, in one embodiment, cover board 110 can also include shading piece 117, and shading piece 117 is set
In the one side towards display screen 120 of electroluminescent ink layer 113, shading piece 117 is located at the periphery of viewfinder area 300.Shading piece
117 for preventing light that electroluminescent ink layer 113 is sent to be incident to the viewing area 121 of display screen 120.Specifically, one
In embodiment, 117 material of shading piece is plastic cement, and 117 light rate of shading piece is relatively low, can prevent light from penetrating.With reference to figure 12, one
In embodiment, the orthographic projection of the inward flange of shading piece 117 on the display screen 120 is located at electroluminescent ink layer 113 in display screen
In orthographic projection on 120.Further, with reference to figure 13, in one embodiment, the inward flange of shading piece 117 is on the display screen 120
The orthographic projection of the inward flange of orthographic projection and electroluminescent ink layer 113 on the display screen 120 overlaps.In other embodiments,
The material of shading piece 117 can be rubber or metal etc..When electroluminescent 113 electrified light emitting of ink layer, shading piece 117 can be with
Light that electroluminescent ink layer 113 is sent is prevented to be incident to the viewing area 121 of display screen 120, to avoid electroluminescent ink
The light of 113 outgoing of layer has adverse effect on the display of display screen 120.In one embodiment, shading piece 117 towards base
Adhesive-layer (not shown) can be set on the surface of plate 111, and electroluminescent ink layer 113 is solid by adhesive-layer and shading piece 117
Fixed connection.It is understood that shading piece 117 is not essential, for example, can make the close non-of electroluminescent ink layer 113
The transparency of the part of viewing area 123 is relatively low, it is possible to the light that electroluminescent ink layer 113 is emitted be prevented to be incident to viewing area
121, electroluminescent ink layer 113 can also play preferable occlusion effect to non-display area 123.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that come for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (11)
1. a kind of cover board is set for covering to display screen, which is characterized in that the cover board includes：
Substrate is transparent；The substrate has the first surface towards the display screen and second backwards to the display screen
Surface；And
Electroluminescent ink layer is arranged on the first surface, and the inward flange of the electroluminescent ink layer defines described
The viewfinder area of substrate, and the orthographic projection of the electroluminescent ink layer on the display screen block the display screen whole it is non-
Viewing area；The electroluminescent ink layer can shine when being powered.
2. cover board according to claim 1, which is characterized in that the electroluminescent ink layer includes the first individual layer and second
Individual layer, first individual layer are arranged on the first surface, and the inward flange of first individual layer defines the viewfinder area, and
All non-display areas are blocked in the orthographic projection of first individual layer on the display screen；Second individual layer is arranged at described
The one side of the direction display screen of first individual layer；First individual layer can send the light of the first color when being powered, described
Second individual layer can send the light of the second color when being powered.
3. cover board according to claim 1, which is characterized in that the inward flange of the electroluminescent ink layer is in the display
Orthographic projection on screen is located in the viewing area of the display screen, and the inward flange of the electroluminescent ink layer is in the display screen
On the edge of orthographic projection and the viewing area be smaller than 0.15 millimeter.
4. cover board according to claim 1, which is characterized in that further include reflecting layer, the reflecting layer is arranged at described regard
The periphery in window area, and the reflecting layer is connected with the electroluminescent ink layer, the reflecting layer is used to prevent by the display
The light of screen outgoing penetrates the electroluminescent ink layer.
5. cover board according to claim 4, which is characterized in that the inward flange in the reflecting layer is on the display screen just
Projection and the coincident of the viewing area of the display screen.
6. cover board according to claim 4, which is characterized in that the reflecting layer is silver reflecting layer, the reflecting layer tool
Have a reflecting surface, the reflecting surface is plane, the reflecting surface towards the viewing area of the display screen, and the reflecting surface with it is described
The angle of display screen is acute angle.
7. cover board according to claim 1, which is characterized in that further include shading piece, the shading piece is arranged at the electricity
The one side of the direction display screen of photoluminescence ink layer, and the shading piece is located at the periphery of the viewfinder area；The shading
Part is used for the viewing area that light that the electroluminescent ink layer is sent is prevented to be incident to the display screen.
8. cover board according to claim 7, which is characterized in that the inward flange of the shading piece is on the display screen just
The orthographic projection with the inward flange of the electroluminescent ink layer on the display screen is projected to overlap.
9. a kind of display module, which is characterized in that including display screen and claim 1~8 any one of them cover board, the lid
Plate is covered on the display screen.
10. a kind of mobile terminal, which is characterized in that including the display module described in rear shell and claim 9, the display screen is extremely
Small part is contained in the rear shell, and the cover board is fixedly connected with the rear shell.
11. mobile terminal according to claim 10, which is characterized in that the rear shell include body and boss, described
Body and the boss are integrally formed, and the cover board is connected on the body；The body has supporting surface, the end of the boss
Maximum range between end and the supporting surface is less than the maximum range between the second surface and the supporting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711488908.1A CN108089386B (en) | 2017-12-29 | 2017-12-29 | Cover plate, display module and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711488908.1A CN108089386B (en) | 2017-12-29 | 2017-12-29 | Cover plate, display module and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
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| CN108089386A true CN108089386A (en) | 2018-05-29 |
| CN108089386B CN108089386B (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711488908.1A Active CN108089386B (en) | 2017-12-29 | 2017-12-29 | Cover plate, display module and mobile terminal |
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| Country | Link |
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| CN (1) | CN108089386B (en) |
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| CN110989240A (en) * | 2019-12-26 | 2020-04-10 | 上海天马微电子有限公司 | Display module, electronic equipment and preparation method of display module |
| CN111540731A (en) * | 2020-05-08 | 2020-08-14 | 智行天下(北京)咨询有限公司 | Luminous display screen with light source transition area |
| CN111816081A (en) * | 2020-08-05 | 2020-10-23 | Oppo广东移动通信有限公司 | Preparation method of display screen assembly, display screen assembly and electronic equipment |
| CN114979319A (en) * | 2021-02-24 | 2022-08-30 | Oppo广东移动通信有限公司 | Electronic equipment and shell assembly thereof |
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| CN108089386B (en) | 2021-02-02 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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