CN208459989U - A kind of touch-control display module - Google Patents
A kind of touch-control display module Download PDFInfo
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- CN208459989U CN208459989U CN201821247152.1U CN201821247152U CN208459989U CN 208459989 U CN208459989 U CN 208459989U CN 201821247152 U CN201821247152 U CN 201821247152U CN 208459989 U CN208459989 U CN 208459989U
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Abstract
The utility model discloses a kind of touch-control display modules to be provided with the first optical adhesive layer including display screen, the touch screen stacked gradually between the touch screen and display screen；The touch screen and display screen are bonded entirely；The touch screen is resistive touch screen；The one 1/4 λ wave plate and line polarisation piece, the line polarisation piece and the one 1/4 λ wave plate placement at 45 ° are sequentially laminated with above the touch screen；The 2nd 1/4 λ wave plate is equipped between the touch screen and display screen, the 2nd 1/4 λ wave plate is located above the first optical adhesive layer.A kind of touch-control display module provided by the utility model, can not only substantially reduce the reflectivity of entire display module product, but also will not reduce the brightness that display screen comes out.On the basis of ensure that display module performance, the visual experience of user is improved, enhances the competitiveness of product.
Description
Technical field
The utility model relates generally to the display field of intellectual product, relates more specifically to a kind of touch-control display module.
Background technique
Touch screen used in display module is generally capacitive touch screen (CTP) and resistive touch screen (RTP).Electricity
Appearance formula touch screen (CTP) commonly used then mobile phone, plate etc..But resistive touch screen (RTP), since its is cheap,
And the advantages that interference not vulnerable to external magnetic field, still it is widely used in the industries such as printer.Traditional resistive touch screen
It (RTP) is substantially double-layer structure, and two layers of centre is air buffer.Air layer leads to very big light loss, makes product
Reflectivity is larger, when ambient is stronger, influences the visual effect of people.
As shown in Figure 1, traditional display module, including display screen 70, the touch screen stacked gradually, in touch screen and display
The first optical adhesive layer 120 is provided between screen 70.Touch screen and display screen 70 are bonded entirely.Touch screen include upper substrate 40, with it is upper
The lower substrate 50 that substrate 40 is oppositely arranged, there is interlayer 100 between upper substrate 40 and lower substrate 50.
Utility model content
In order to solve problem above, the utility model provides a kind of touch-control display module, including the display stacked gradually
Screen, touch screen, are provided with the first optical adhesive layer between the touch screen and display screen；The touch screen and display screen paste entirely
It closes；The touch screen is resistive touch screen；The one 1/4 λ wave plate and line polarisation piece are sequentially laminated with above the touch screen,
The line polarisation piece and the one 1/4 λ wave plate placement at 45 °；The 2nd 1/4 λ wave plate is equipped between the touch screen and display screen.
Specifically, the 2nd 1/4 λ wave plate is located above the first optical adhesive layer.
Become linearly polarized light after line polarisation piece from external incident light.Linearly polarized light is first incident to pass through the one 1/4 λ
Wave plate, after display screen reflects, the one 1/4 λ wave plate is passed through in reflection again；From reflection is incident on twice by the one 1/4 λ wave
After piece, project the one 1/4 λ wave plate polarization direction and former incident 90 degree each other of direction of polarized light.Therefore, the line after reflection
Polarised light is blocked, therefore reflectivity reduces completely when by line polarisation piece.Pass through the one 1/4 λ wave plate of setting and line
Polaroid substantially reduces the reflectivity of entire display module product.
The line polarisation issued from display screen internal light source becomes rotatory polarization after first passing through the 2nd 1/4 λ wave plate, passes through later
After resistive touch screen or rotatory polarization, then up by becoming line polarisation after the one 1/4 λ wave plate, finally by line polarisation piece
When, light energy losses are less.
Improvement project as described above, can not only substantially reduce the reflectivity of entire display module product, but also will not reduce
The brightness that display screen comes out.
Further, the display screen includes the upper polaroid positioned at display screen top；The 2nd 1/4 λ wave plate with it is upper
Polaroid placement at 45 °；The one 1/4 λ wave plate and the 2nd 1/4 λ wave plate placement in 90 °.
Further, the 2nd 1/4 λ wave plate is located above the first optical adhesive layer.
Further, anti-dazzle (AG) layer and antireflection (AR) layer are sequentially laminated on the touch screen.Anti-dazzle (AG)
Layer and antireflection (AR) layer reduce the reflectivity at the first interface, further reduced the reflectivity of display module product.
Further, anti-fingerprint (AF) layer is also laminated on the touch screen.For preventing from generating fingerprint on the touchscreen.
Further, the resistive touch screen include upper substrate, the upper conductive layer that is set on upper substrate；On described
The lower substrate that substrate is oppositely arranged is set to lower conductiving layer on lower substrate and opposite with the upper conductive layer.
Further, the upper substrate is any one in film and glass, and the lower substrate is glass.
Further, the touch screen further include the top electrode for being formed in the upper conductive layer edge, be formed in it is described under
The lower electrode at conductive layer edge.
Further, the second optical adhesive layer is equipped between the one 1/4 λ wave plate and line polarisation piece.
The utility model has the advantages that
The utility model provides a kind of touch-control display module, can both substantially reduce the reflection of entire display module product
Rate, and the brightness that display screen comes out will not be reduced.On the basis of ensure that display module performance, the vision of user is improved
Experience, enhances the competitiveness of product.
Detailed description of the invention
Fig. 1 is traditional display module cross-sectional view.
Fig. 2 is the display module cross-sectional view of the utility model embodiment.
Appended drawing reference:
The more a film layers of 10-, 20- line polarisation piece, the one 1/4 λ wave plate of 30-, 40- upper substrate, 50- lower substrate, 60- the 2nd 1/
4 λ wave plates, 70- display screen, 80- third optical adhesive layer, the second optical adhesive layer of 90-, 100- interlayer, the 5th optical adhesive layer of 110-,
The first optical adhesive layer of 120-, the 4th optical adhesive layer of 130-, 140- glue frame.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Fig. 2, the utility model specific embodiment provides a kind of touch-control display module, it is aobvious including what is stacked gradually
Display screen 70, touch screen are provided with the first optical adhesive layer 120 between touch screen and display screen 70.Touch screen and display screen 70 are complete
Fitting.Touch screen is resistive touch screen.Side is sequentially laminated with the one 1/4 λ wave plate 30 and line polarisation piece 20 on the touchscreen,
The 2nd 1/4 λ wave plate 60 is additionally provided between touch screen and display screen 70.Specifically, display screen 70 is LCD display.
Become linearly polarized light after line polarisation piece 20 from external incident light.Line polarisation piece and the one 1/4 λ wave plate 30
Placement at 45 °.Linearly polarized light is first incident to pass through the one 1/4 λ wave plate 30, and the one 1/4 λ wave is again passed by after display screen reflects
Piece 30；From reflection is incident on twice after the one 1/4 λ wave plate 30, project the direction of polarized light of the one 1/4 λ wave plate 30 with
90 degree each other of direction of polarized light of former incidence.Therefore, the linearly polarized light after reflection is blocked completely when by line polarisation piece 20
, this is determined by optical property, therefore reflectivity reduces.
As described above, substantially reducing entire display module product by the one 1/4 λ wave plate 30 of setting and line polarisation piece 20
Reflectivity.
And the line polarisation that 70 internal illumination component of display screen is issued is by after resistive touch screen or line polarisation, up
By becoming rotatory polarization after the first quarter wave plate 30, then by the way that the light energy of a part after line polarisation piece 20, can be lost, therefore drop
The brightness that low display screen 70 comes out.As improvement project, side is equipped with the 2nd 1/4 λ wave plate 60, the 2nd 1/4 λ under a touch screen
For wave plate 60 between touch screen and display screen 70, the 2nd 1/4 λ wave plate 60 is also located at 120 top of the first optical adhesive layer.
The purpose of the 2nd 1/4 λ wave plate 60 of face paste is in order not to reduce the light that display screen comes out under a touch screen: from aobvious
The line polarisation that display screen internal light source issues becomes rotatory polarization after first passing through the 2nd 1/4 λ wave plate 60, passes through resistive touch later
After screen or rotatory polarization, then up by becoming line polarisation after the one 1/4 λ wave plate 30, when finally by line polarisation piece 20, luminous energy
Amount loss is less.
By above-mentioned improved plan, the reflectivity of entire display module product can have not only been substantially reduced, but also will not have been reduced
The brightness that display screen comes out.On the basis of ensure that display module performance, the visual experience of user is improved, enhances production
The competitiveness of product.
Display screen includes that the upper polaroid positioned at 70 top of display screen, display layer, down polaroid and backlight module are (equal in figure
It is not shown), display layer is between upper polaroid and down polaroid.Polaroid has a fixed polarizing axis, only allows to shake
Dynamic direction passes through with the consistent light in polarization direction, and absorbs the direction of vibration light vertical with polarizing axis, for that will not have polar biased
The natural light of property is converted into polarised light, makes to pass through with electric field at the light of vertical direction, liquid crystal display panel can normally be shown
Show image.
2nd 1/4 λ wave plate 60 and upper polaroid placement at 45 °；One 1/4 λ wave plate 30 and the 2nd 1/4 λ wave plate 60 are in 90 °
It places；The line polarisation issued from display screen internal light source, up passes sequentially through the 2nd 1/4 λ wave plate 60, the one 1/4 λ wave plate
30, by becoming line polarisation after the one 1/4 λ wave plate 30, when finally by line polarisation piece 20, because above resistive touch screen
20 angle of line polarisation piece is consistent with display screen upper polaroid angle, so can all pass through.
The upper conductive layer that resistive touch screen includes upper substrate 40, is set on upper substrate 40；It is opposite with upper substrate 40 to set
The lower substrate 50 set is set to lower conductiving layer on lower substrate 50 and opposite with the upper conductive layer.It is distinguished from material, electricity
There are two types of types for resistive touch screen: film adds the structure (G-G) of glass plus the structure (F-G) and glass of glass.Therefore on
Substrate 40 is any one in film and glass, and lower substrate 50 is glass.Touch screen further includes being formed in the upper conductive layer
The top electrode (ito film) at edge, the lower electrode (ito film) for being formed in the lower conductiving layer edge.Upper substrate 40 and lower substrate 50
Between have an interlayer 100, interlayer 100 is usually air buffer.Air buffer is by the glue frame between upper substrate 40 and lower substrate 50
140 are formed.Glue frame is used for the stickup between upper substrate 40 and lower substrate 50 simultaneously.When touch screen surface is by enough pressure
When, contact can be generated between upper substrate 40 and lower substrate 50.
Traditional display module, as shown in Figure 1, reflection is mainly derived from following three interfaces, because at these three interfaces
The refractive index at place is larger.First interface 01a is the upper table that extraneous light initially enters the face of touch screen, i.e. upper substrate 40
Face；Second contact surface 01b is the junction interface of touch screen upper substrate 40 Yu interlayer 100；Third interface 01c is interlayer 100 and touching
Touch the junction interface of screen lower substrate 50.
Reflection by the above improvement project of the utility model embodiment, at second contact surface 01b and third interface 01c
Rate is all lowered by.In order to improve the reflectivity at the first interface 01a, multiple film layers 10 are provided on touch screen.Specifically, more
A film layer 10 is anti-dazzle (AG) layer stacked gradually on line polarisation piece 20 and antireflection (AR) layer (not shown).Anti-dazzle
(AG) layer can be anti-dazzle (AG) film, and it is convex outer to make that dimple is formed e.g. on online 20 surface of polaroid of silica
Portion's light scatters and reduces direct reflection, to reduce reflected light.Antireflection (AR) layer can be antireflection (AR) film, resist
Reflection (AR) film alternately coats material with a high refractive index and the material with low-refraction on the surface, can be direct
Reduce the reflection visible light of the various wavelength bands with 350nm to 750nm.Further, it gives birth on the touchscreen in order to prevent
Anti-fingerprint (AF) layer is also laminated at fingerprint, on touch screen.Specifically, anti-fingerprint (AF) layer is formed on antireflection (AR) layer.
Anti-fingerprint (AF) layer can be formed by hybrid inorganic-organic materials such as polysilsesquioxane.
The second optical adhesive layer 90 is equipped between one 1/4 λ wave plate 30 and line polarisation piece 20.Line polarisation piece 20 and anti-dazzle
(AG) third optical adhesive layer 80 is equipped between layer.The 4th optical adhesive layer 130 is equipped between one 1/4 λ wave plate 30 and upper substrate 40.
The material of optical cement is OCA optical cement or OCR optical cement.
The utility model has the advantages that
By above-mentioned improved plan, the reflectivity of entire display module product can have not only been substantially reduced, but also will not have been reduced
The brightness that display screen comes out.On the basis of ensure that display module performance, the visual experience of user is improved, enhances production
The competitiveness of product.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
All these improvement or transformation all should belong within the protection scope of the appended claims for the utility model.
Claims (9)
1. a kind of touch-control display module is set between the touch screen and display screen including display screen, the touch screen stacked gradually
It is equipped with the first optical adhesive layer；It is characterized in that, the touch screen and display screen are bonded entirely；The touch screen is resistive touch
Screen；The one 1/4 λ wave plate and line polarisation piece, the line polarisation piece and the one 1/4 λ wave are sequentially laminated with above the touch screen
Piece placement at 45 °；The 2nd 1/4 λ wave plate is equipped with below the touch screen, the 2nd 1/4 λ wave plate is located at touch screen and display
Between screen.
2. display module according to claim 1, which is characterized in that the display screen includes positioned at the upper of display screen top
Polaroid；The 2nd 1/4 λ wave plate and upper polaroid placement at 45 °；The one 1/4 λ wave plate and the 2nd 1/4 λ wave plate at
90 ° of placements；The line polarisation piece and the one 1/4 λ wave plate placement at 45 °.
3. display module according to claim 1, which is characterized in that the 2nd 1/4 λ wave plate is located at the first optical adhesive layer
Top.
4. display module according to claim 1, which is characterized in that be sequentially laminated with anti-dazzle (AG) on the touch screen
Layer and antireflection (AR) layer.
5. display module according to claim 4, which is characterized in that be also laminated with anti-fingerprint (AF) on the touch screen
Layer.
6. display module according to claim 1, which is characterized in that the resistive touch screen includes upper substrate, setting
In the upper conductive layer on upper substrate；The lower substrate being oppositely arranged with the upper substrate, be set on lower substrate and with it is described on
The opposite lower conductiving layer of conductive layer.
7. display module according to claim 6, which is characterized in that the upper substrate is any one in film and glass
Kind, the lower substrate is glass.
8. display module according to claim 6, which is characterized in that the touch screen further includes being formed in the upper conduction
The top electrode at layer edge, the lower electrode for being formed in the lower conductiving layer edge.
9. display module according to claim 1, which is characterized in that set between the one 1/4 λ wave plate and line polarisation piece
There is the second optical adhesive layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821247152.1U CN208459989U (en) | 2018-08-03 | 2018-08-03 | A kind of touch-control display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821247152.1U CN208459989U (en) | 2018-08-03 | 2018-08-03 | A kind of touch-control display module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208459989U true CN208459989U (en) | 2019-02-01 |
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ID=65180243
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821247152.1U Active CN208459989U (en) | 2018-08-03 | 2018-08-03 | A kind of touch-control display module |
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| Country | Link |
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| CN (1) | CN208459989U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111624779A (en) * | 2020-05-19 | 2020-09-04 | Oppo广东移动通信有限公司 | Display screen cover plate assembly, integrated color display screen and electronic equipment |
-
2018
- 2018-08-03 CN CN201821247152.1U patent/CN208459989U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111624779A (en) * | 2020-05-19 | 2020-09-04 | Oppo广东移动通信有限公司 | Display screen cover plate assembly, integrated color display screen and electronic equipment |
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