CN107678598B - Touch display screen structure, manufacturing method thereof and terminal - Google Patents
Touch display screen structure, manufacturing method thereof and terminal Download PDFInfo
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- CN107678598B CN107678598B CN201710968487.6A CN201710968487A CN107678598B CN 107678598 B CN107678598 B CN 107678598B CN 201710968487 A CN201710968487 A CN 201710968487A CN 107678598 B CN107678598 B CN 107678598B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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Abstract
The invention discloses a touch display screen structure, a manufacturing method thereof and a terminal comprising the touch display screen structure, wherein the touch display screen structure comprises a display screen and a touch screen, cover plate glass of the touch screen comprises a display area and an ink area, an optical film layer and an ink layer are sequentially arranged in the ink area on the back surface of the cover plate glass from inside to outside, the optical film layer is plated on the back surface of the cover plate glass through a non-conductive coating target material, and the display screen is adhered to the display area on the back surface of the cover plate glass through optical cement. According to the touch display screen structure provided by the invention, the optical film layer is arranged in the ink area on the back surface of the cover plate glass, and the difference of the display colors between the display area and the ink area of the touch display screen is adjusted by utilizing the optical film layer, so that the display colors of the display area and the ink area are consistent or basically consistent when the touch display screen is in a black screen state, and the appearance expressive force of a mobile phone is effectively improved.
Description
Technical Field
The invention relates to the field of touch display screens, in particular to a touch display screen structure, a manufacturing method thereof and a terminal with the touch display screen.
Background
The mobile phone has become an indispensable electronic communication tool in life, and the existing mobile phones have various shapes so as to meet the requirements of people on various mobile phone appearance shapes. At present, when the existing mobile phone is in a screen-off state, the display colors of a display area and an ink area are not consistent, and color deviation exists, so that the expressive force of the appearance of the mobile phone is poor; the color of the display area of the mobile phone is the color displayed by the light projected from the back surfaces of the touch screen and the display screen, and the display screen and the touch screen are both provided with a plurality of layers of plated films, so that the display colors of the display area and the ink area have color deviation due to the film interference. Therefore, it is necessary to provide a technical solution for improving the appearance expressive force of the mobile phone, so as to better satisfy the requirement of people on the appearance of the mobile phone.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a touch display screen structure, and by using the touch display screen structure, the display colors of a display area and an ink area of a terminal such as a mobile phone with the touch display screen structure are basically not different when the terminal is in a black screen state, so that the appearance expressive force of the terminal such as the mobile phone can be effectively improved.
The invention is realized by the following technical scheme: a touch display screen structure comprises a display screen and a touch screen, wherein cover plate glass of the touch screen comprises a display area and an ink area, an optical film layer and an ink layer are sequentially arranged in the ink area on the back surface of the cover plate glass from inside to outside, the optical film layer is plated on the back surface of the cover plate glass through a non-conductive coating target material, and the display screen is attached to the display area on the back surface of the cover plate glass through optical cement. The optical film layer is used for adjusting the difference of the display colors between the display area and the ink area, so that when the touch display screen is in a black screen state, the display colors of the display area and the ink area are consistent or basically consistent, and the appearance expressive force of the mobile phone is effectively improved.
Preferably, the non-conductive coating target is one or more of magnesium fluoride, titanium dioxide or aluminum oxide.
Preferably, the touch screen is an In-Cell touch screen, an On-Cell touch screen, a GFF touch screen or an OGS touch screen.
Another object of the present invention is to provide a method for manufacturing the touch display screen structure, wherein the method comprises the steps of: s1, closely attaching the display screen to the display area on the back of the cover plate glass of the touch screen; s2, respectively measuring the reflection curves of visible light in the display area and the ink area of the cover plate glass, wherein the reflection curves are the relation curves of the reflectivity and the wavelength of the visible light; s3, designing an optical film layer according to the difference between the measured reflection curve of the display area and the reflection curve of the ink area, so that after the optical film layer is coated on the ink area on the back surface of the cover glass, the reflection curve of visible light in the display area of the cover glass is consistent or basically consistent with the reflection curve of the ink area; s4, plating the optical film layer on the ink area on the back surface of the cover plate glass by using a non-conductive coating target; s5, printing an ink layer on the ink area on the back of the cover plate glass plated with the optical film layer for shielding; and S6, adhering a display screen to the display area on the back surface of the cover plate glass through optical cement.
Further, the step S6 includes, if there is an optical film layer in the display area on the back of the cover glass, removing the optical film layer in the display area, and attaching the display screen to the display area of the cover glass; the step S5 further includes performing a deplating process on the back surface of the cover glass.
Further, the method further comprises: s7, measuring the reflection curves of the visible light in the display area and the ink area of the cover plate glass again, and finishing the manufacturing method if the reflection curve of the display area is consistent or basically consistent with the reflection curve of the ink area; otherwise, returning to step S3, debugging the optical film layer until the reflection curve of the display area is consistent or substantially consistent with the reflection curve of the ink area.
Preferably, the non-conductive coating target is one or more of magnesium fluoride, titanium dioxide or aluminum oxide; the touch screen is an In-Cell touch screen, an On-Cell touch screen, a GFF touch screen or an OGS touch screen.
Another object of the present invention is to provide a terminal, which includes a touch display screen structure, the touch display screen structure includes a display screen and a touch screen, a cover glass of the touch screen includes a display area and an ink area, an optical film layer and an ink layer are sequentially disposed in the ink area on the back surface of the cover glass from inside to outside, the optical film layer is plated on the back surface of the cover glass through a non-conductive coating target, and the display screen is attached to the display area on the back surface of the cover glass through an optical adhesive.
According to the touch display screen structure and the terminal provided by the invention, the optical film layer is arranged in the ink area on the back surface of the cover plate glass, and the difference of the display colors between the display area and the ink area of the touch display screen is adjusted by utilizing the optical film layer, so that the display colors of the display area and the ink area are consistent or basically consistent when the touch display screen is in a black screen state, and the appearance expressive force of a mobile phone is effectively improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a touch display screen structure in embodiment 1 of the present invention;
FIG. 2 is a schematic flow chart of the method in example 2 of the present invention;
FIG. 3 is a schematic view showing the construction of another embodiment of the method according to embodiment 2 of the present invention;
FIG. 4 is a graph showing the relationship of A1 in FIG. 3 when the reflection curve is tested;
FIG. 5 is a graph showing the relationship of A5 in FIG. 3 when the reflection curve is tested;
fig. 6 is a block diagram of a terminal according to an embodiment of the present invention.
Wherein the reference numbers are as follows: the display screen comprises 1-cover plate glass, 2-display screen, 3-optical film layer, 4-ink layer and 5-optical glue.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present 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.
Example 1
As shown in fig. 1, a touch display screen structure 100 includes a display screen 2 and a touch screen with a touch function, a cover glass 1 of the touch screen includes a display area and an ink area, an optical film layer 3 and an ink layer 4 are sequentially disposed in the ink area on the back of the cover glass from inside to outside, the optical film layer is plated on the back of the cover glass 1 through a non-conductive coating target, and the display screen 2 is attached to the display area on the back of the cover glass 1 through an optical adhesive 5. The optical film layer 3 is configured to adjust a difference between display colors of the display area and the ink area, so that when the touch display screen is in a black screen state, the display colors of the display area and the ink area are consistent or substantially consistent, and thus, an appearance expressive force of a terminal 200 (as shown in fig. 6, such as a mobile phone, which is described in the present invention with the mobile phone as a specific embodiment) applying the touch display screen structure provided in this embodiment can be effectively improved. The touch screen can be an In-Cell touch screen, an On-Cell touch screen, a GFF touch screen, an OGS touch screen or other structural types according to specific requirements. In the invention, the back surface of the cover plate glass refers to the surface which faces away from the front surface of the touch display screen.
In the embodiment of the invention, the optical film layer is coated on the back surface of the cover plate glass by using the non-conductive coating target material, so that the optical film layer is ensured not to influence the touch performance of the touch screen and the antenna performance of the mobile phone. In this embodiment, the coating target is preferably one or more of magnesium fluoride, titanium dioxide, or aluminum oxide, or is a target of other non-conductive metal oxides, so that the touch performance of the touch screen and the performance of the antenna of the mobile phone are not affected, and the film has good light transmittance.
The optical film layer can be of a single-layer or multi-layer structure and is specifically arranged according to actual needs, the optical film layer can be designed by utilizing a thin film interference principle according to the difference between the reflection curve of the display area and the reflection curve of the ink area, so that the effect of enabling the reflection curve of the display area to be consistent or basically consistent with the reflection curve of the ink area is achieved, the purpose of enabling the display colors of the display area and the ink area to be consistent or basically consistent when the touch display screen is in a black screen state is achieved, and the appearance expressive force of the mobile phone is effectively improved. The design process or principle of the optical film layer will be described in more detail in example 2.
Example 2
A method for manufacturing the touch display screen structure 100 according to embodiment 1, as shown in fig. 2, the method includes:
s1, closely attaching the display screen to the display area on the back of the cover plate glass of the touch screen;
s2, respectively measuring the reflection curves of visible light in the display area and the ink area of the cover plate glass, wherein the reflection curves are the relation curves of the reflectivity and the wavelength of the visible light;
s3, designing an optical film layer according to the difference between the measured reflection curve of the display area and the reflection curve of the ink area, so that after the optical film layer is coated on the ink area on the back surface of the cover glass, the reflection curve of visible light in the display area of the cover glass is consistent or basically consistent with the reflection curve of the ink area;
s4, plating the optical film layer on the ink area on the back surface of the cover plate glass by using a non-conductive coating target;
s5, printing an ink layer on the ink area of the back surface of the cover plate glass plated with the optical film layer for shielding, wherein in the step, the back surface of the cover plate glass can be deplated according to actual needs;
s6, adhering a display screen to the display area on the back of the cover plate glass through optical cement;
s7, measuring the reflection curves of the visible light in the display area and the ink area of the cover plate glass again, and finishing the manufacturing method if the reflection curve of the display area is consistent or basically consistent with the reflection curve of the ink area; otherwise, returning to step S3, debugging the optical film layer until the reflection curve of the display area is consistent or substantially consistent with the reflection curve of the ink area.
In step S4, the non-conductive coating target is preferably one or more of magnesium fluoride, titanium dioxide, or aluminum oxide, or other non-conductive metal oxide coating targets, so as to ensure that the optical film layer does not affect the touch performance of the touch screen and the antenna performance of the mobile phone, and has good light transmittance.
In the step S6, before the display screen is attached to the display area of the cover glass, if there is an optical film layer in the display area on the back of the cover glass, the optical film layer in the display area is removed first, and then the display screen is attached to the display area on the back of the cover glass through an optical adhesive, so as to reduce appearance defects caused by coating, reduce a defective rate of products, and simultaneously prevent a color displayed in the display area and a color displayed in the ink area from changing at the same time, thereby increasing difficulty in debugging and designing the optical film layer.
As shown in fig. 3, fig. 3 can be regarded as a schematic structural flow corresponding to fig. 2, where a1 in fig. 3 corresponds to S1 and S2 in fig. 2, a2 in fig. 3 corresponds to S4 in fig. 2, A3 in fig. 3 corresponds to S5 in fig. 2, and a4/a5 in fig. 3 corresponds to S6/S7 in fig. 2. Of course, the corresponding divisions of the steps A1-A5 of FIG. 3 and the steps S1-S7 of FIG. 2 are only a rough division for better explaining the process of the method in the present embodiment.
In this embodiment, one of the relationship diagrams of the test of the reflection curves of the visible light of the display region and the ink region of the cover glass in the step S2, i.e., a1 in fig. 3, is shown in fig. 4, in which the solid line is the reflection curve of the display region and the dotted line is the reflection curve of the ink region. As can be seen from fig. 4, when the reflection curve obtained by the visible light in the ink area is tested, the reflection curve is a substantially straight line, and when the reflection curve obtained by the visible light in the display area is tested, the reflection curve is a curve, because a thin film exists in the display screen, the thin film interference occurs when the visible light transmits through the display screen, and when the reflection curve of the visible light in the ink area is tested, although the thin film interference also exists in the touch screen, the visible light does not need to transmit through the display screen, so that the difference between the reflection curve of the display area and the reflection curve of the ink area is large; at this time, the hue difference value Δ Ε of the colors displayed by the display area and the ink area is large, resulting in non-coincidence of the display colors of the display area and the ink area.
After the reflection curves of visible light in the display area and the ink area of the cover glass shown in fig. 4 are measured, the optical film layer is designed and adjusted according to the thin film interference principle, and the intensity of light with a certain wavelength can be weakened or enhanced by adjusting the thickness of the film, so that the reflection curve of the display area is consistent or substantially consistent with the reflection curve of the ink area. The optical film layer may be one or more layers, which may be arranged according to actual needs, and for the thin film interference principle, it is prior art and will not be described in detail herein.
After the optical film layer is designed and adjusted and plated on the ink area on the back surface of the cover plate glass through the non-conductive coating target, and after corresponding ink layer printing and deplating treatment are performed, the display screen is attached to the display area on the back surface of the cover plate glass through optical cement (optical cement with high light transmittance and good adhesion can be selected), as shown in a5 in fig. 3. At this time, the relationship between the reflection curves of the visible light of the display area and the ink area of the cover glass respectively measured by a5 in fig. 3 is schematically shown in fig. 5, and the solid line is the reflection curve of the display area and the dotted line is the reflection curve of the ink area, as in fig. 4. As can be seen from fig. 5, by arranging the designed optical film layer on the ink area on the back surface of the cover glass, the reflection curve of the display area is substantially consistent with the reflection curve of the ink area. In practical tests, when the hue difference Δ Ε of the colors displayed by the display area and the ink area is less than 1, the color difference between the display area and the ink area can hardly be distinguished by human eyes, so in the optical film design debugging, the reflection curve of the display area is not required to be completely consistent with the reflection curve of the ink area, and as long as the two are basically consistent, the hue difference Δ Ε of the colors displayed by the display area and the ink area is less than 1.
The touch display screen structure 100 manufactured by the method provided by the embodiment is applied to the terminal 200 such as a mobile phone, so that when the mobile phone is in a black screen state, the display colors of the display area and the ink area are basically the same, thereby effectively improving the appearance expressive force of the mobile phone and better meeting the requirements of people on the appearance of the mobile phone.
Fig. 6 is a block diagram of the terminal 200. The terminal 200 includes the aforementioned touch display screen structure 100. The terminal 200 may be the aforementioned mobile phone, and may also be a terminal device such as a tablet computer and a music player.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (12)
1. A touch display screen structure comprises a display screen (2) and a touch screen, and is characterized in that: the cover plate glass (1) of the touch screen comprises a display area and an ink area, wherein an optical film layer (3) and an ink layer (4) are sequentially arranged in the ink area on the back surface of the cover plate glass from inside to outside, the optical film layer is plated on the back surface of the cover plate glass through a non-conductive coating target material, the optical film layer is used for adjusting the difference of display colors between the display area and the ink area, and the display screen is attached to the display area on the back surface of the cover plate glass through optical glue (5); the optical film layer is designed according to the difference between the measured reflection curve of the display area and the measured reflection curve of the ink area, and after the optical film layer is coated on the ink area on the back surface of the cover glass, the reflection curve of visible light in the display area of the cover glass is consistent or basically consistent with the reflection curve of the ink area.
2. The touch display screen structure of claim 1, wherein: the non-conductive coating target is one or more of magnesium fluoride, titanium dioxide or aluminum oxide.
3. The touch display screen structure according to any one of claims 1 to 2, wherein: the touch screen is an In-Cell touch screen, an On-Cell touch screen, a GFF touch screen or an OGS touch screen.
4. The touch display screen structure of claim 1, wherein: the optical film layer is of one or more layers.
5. A method of manufacturing the touch display screen structure of claim 1, the method steps comprising: s1, closely attaching the display screen to the display area on the back of the cover plate glass of the touch screen; s2, respectively measuring the reflection curves of visible light in the display area and the ink area of the cover plate glass, wherein the reflection curves are the relation curves of the reflectivity and the wavelength of the visible light; s3, designing an optical film layer according to the difference between the measured reflection curve of the display area and the reflection curve of the ink area, so that after the optical film layer is coated on the ink area on the back surface of the cover glass, the reflection curve of visible light in the display area of the cover glass is consistent or basically consistent with the reflection curve of the ink area; s4, plating the optical film layer on the ink area on the back surface of the cover plate glass by using a non-conductive coating target; s5, printing an ink layer on the ink area on the back of the cover plate glass plated with the optical film layer for shielding; and S6, adhering a display screen to the display area on the back surface of the cover plate glass through optical cement.
6. The method of claim 5, wherein: step S6 further includes, if there is an optical film layer in the display area on the back of the cover glass, removing the optical film layer in the display area, and then attaching the display screen to the display area of the cover glass.
7. The method of claim 6, wherein: the step S5 further includes performing a deplating process on the back surface of the cover glass.
8. The method according to any one of claims 5 to 7, further comprising: s7, measuring the reflection curves of the visible light in the display area and the ink area of the cover plate glass again, and finishing the manufacturing method if the reflection curve of the display area is consistent or basically consistent with the reflection curve of the ink area; otherwise, returning to step S3, debugging the optical film layer until the reflection curve of the display area is consistent or substantially consistent with the reflection curve of the ink area.
9. The method of claim 5, wherein: the non-conductive coating target is one or more of magnesium fluoride, titanium dioxide or aluminum oxide.
10. The method of claim 5, wherein: the method is characterized in that: the touch screen is an In-Cell touch screen, an On-Cell touch screen, a GFF touch screen or an OGS touch screen.
11. The method of claim 5, wherein: the optical film layer is of one or more layers of structures.
12. A terminal, characterized by: the terminal comprises a touch display screen structure according to any one of claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710968487.6A CN107678598B (en) | 2014-12-02 | 2014-12-02 | Touch display screen structure, manufacturing method thereof and terminal |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410723581.1A CN104461134B (en) | 2014-12-02 | 2014-12-02 | A kind of touching display screen structure and its manufacture method |
| CN201710968487.6A CN107678598B (en) | 2014-12-02 | 2014-12-02 | Touch display screen structure, manufacturing method thereof and terminal |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410723581.1A Division CN104461134B (en) | 2014-12-02 | 2014-12-02 | A kind of touching display screen structure and its manufacture method |
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| CN107678598A CN107678598A (en) | 2018-02-09 |
| CN107678598B true CN107678598B (en) | 2020-07-03 |
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| CN201710968487.6A Active CN107678598B (en) | 2014-12-02 | 2014-12-02 | Touch display screen structure, manufacturing method thereof and terminal |
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| CN106541534A (en) * | 2015-09-21 | 2017-03-29 | 广东格林精密部件股份有限公司 | Injection moulding process in a kind of touch screen glass molds |
| CN105306641A (en) * | 2015-11-11 | 2016-02-03 | 广东欧珀移动通信有限公司 | Three-dimensional protective film, manufacturing method of three-dimensional protective film, and mobile terminal |
| CN106113481B (en) * | 2016-06-15 | 2018-09-04 | 维沃移动通信有限公司 | A kind of PET film attaching method and mobile terminal |
| CN206178781U (en) * | 2016-08-12 | 2017-05-17 | 广东欧珀移动通信有限公司 | Luminous suggestion structure and terminal equipment |
| CN108235631A (en) * | 2016-12-14 | 2018-06-29 | 南昌欧菲光学技术有限公司 | Electronic device and its glass cover-plate |
| CN106941132B (en) * | 2017-02-27 | 2018-08-17 | 广东小天才科技有限公司 | OLED display screen and its manufacturing method |
| CN108932912A (en) * | 2017-05-26 | 2018-12-04 | 松下电气机器（北京）有限公司 | Display device and shield door |
| CN107066051B (en) * | 2017-05-27 | 2020-12-04 | 捷开通讯(深圳)有限公司 | Mobile electronic equipment and display screen thereof |
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| CN110764638B (en) * | 2018-07-27 | 2021-03-16 | 京东方科技集团股份有限公司 | Touch substrate and touch device |
| CN112581880B (en) * | 2018-08-07 | 2022-08-16 | Oppo广东移动通信有限公司 | Screen, electronic device, and method for manufacturing screen |
| KR20200107014A (en) * | 2019-03-05 | 2020-09-16 | 삼성디스플레이 주식회사 | Display device |
| TWI725689B (en) * | 2019-12-27 | 2021-04-21 | 瑞材股份有限公司 | Touchscreen having conductive gel-based optical adhesive layer |
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| CN110534022A (en) * | 2019-08-28 | 2019-12-03 | 上海中航光电子有限公司 | A kind of display device and production method |
| CN112445275A (en) * | 2019-08-30 | 2021-03-05 | Oppo广东移动通信有限公司 | Electronic equipment, display screen assembly, display screen cover plate and attaching method |
| CN110738925B (en) * | 2019-10-11 | 2021-08-13 | Oppo广东移动通信有限公司 | Display screen module and electronic device with same |
| CN110865741B (en) * | 2019-11-29 | 2023-10-24 | 上海天马微电子有限公司 | Touch display module and display device |
| CN111505883B (en) * | 2020-04-09 | 2023-08-08 | 青岛海信移动通信技术有限公司 | Mobile terminal |
| CN112437176A (en) * | 2020-11-13 | 2021-03-02 | 惠州市德赛西威汽车电子股份有限公司 | Structure and method for optimizing touch screen integral black |
| CN113703076A (en) * | 2021-08-26 | 2021-11-26 | 华玻视讯(珠海)科技有限公司 | Manufacturing method of integrated black display |
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| CN101661117A (en) * | 2008-08-28 | 2010-03-03 | 比亚迪股份有限公司 | Display screen and manufacturing method thereof and electronic product |
| CN201348700Y (en) * | 2009-02-11 | 2009-11-18 | 荧茂光学股份有限公司 | Decorative panel with light adjustment function |
| CN103365453A (en) * | 2012-04-06 | 2013-10-23 | 宸鸿科技(厦门)有限公司 | Touch panel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104461134A (en) | 2015-03-25 |
| CN104461134B (en) | 2017-11-14 |
| CN107678598A (en) | 2018-02-09 |
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