CN111144204A - Processing technology of anti-dazzle blue-light-proof composite screen protection screen suitable for unlocking fingerprints under screen - Google Patents
Processing technology of anti-dazzle blue-light-proof composite screen protection screen suitable for unlocking fingerprints under screen Download PDFInfo
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- CN111144204A CN111144204A CN201911143322.0A CN201911143322A CN111144204A CN 111144204 A CN111144204 A CN 111144204A CN 201911143322 A CN201911143322 A CN 201911143322A CN 111144204 A CN111144204 A CN 111144204A
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- screen
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- unlocking
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1318—Sensors therefor using electro-optical elements or layers, e.g. electroluminescent sensing
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
Abstract
The invention belongs to the field of portable information terminal screen light hazard prevention and control, and particularly relates to a processing technology of an anti-dazzle blue-light-proof composite screen protection screen suitable for unlocking fingerprints under the screen, which comprises the following steps: performing chemical etching AG treatment on one side of the glass substrate; carrying out blue light prevention treatment on the other side of the glass substrate through vacuum evaporation electroplating; positioning a fingerprint unlocking area on the side surface of the glass substrate, and performing mesh-shaped hollow-out treatment on the fingerprint unlocking area; and finally, carrying out aging treatment on the electroplated blue-light-proof coating. The product produced by the process can ensure the normal use of the fingerprint unlocking function under the screen, and also has the permanent anti-glare function and the blue light filtering function of the screen protection screen.
Description
Technical Field
The invention belongs to the field of portable information terminal screen light hazard prevention and control, and particularly relates to a processing technology of an anti-dazzle blue-light-proof composite screen protection screen suitable for unlocking fingerprints under a screen.
Background
With the rapid development of communication technology, the use frequency of electronic products such as smart phones, tablets, electronic paper books, computers and the like in the information era is basically not far from the hands, and therefore, the phenomenon that the eyes are damaged by screen light is more common. Medical research has proved that the trend of eye diseases such as cataract and maculopathy to be younger and more common is directly related to the time of modern people contacting portable electronic products such as mobile phones. The utility model provides a novel screen protection screen product that possesses permanent anti-dazzle light and filter blue light function, this novel screen protection screen product adopts most advanced tombarthite absorbing material for the reference stealthy aircraft principle, utilizes vacuum composite bed to plate the technology, reduces this wave band blue light injury through the light energy of active absorption 450nm wavelength to combine modes such as direct projection glare softening technique, realized effectively protecting eyes healthy purpose.
The full screen age comes, and the finger print unlocking function under the screen is more and more applied to mobile communication terminal products such as mobile phones and flat panels. The fingerprint unblock technique adopts optics fingerprint identification technical scheme under the screen at present more, and this optics fingerprint identification module comprises transmitting light source, microprism and light sense receiving terminal, and the light that the light source transmitted shines on the fingerprint surface through the prism, and the light that reflects back is influenced by the fingerprint texture and takes place the variation in intensity to be received by the light sense receiving terminal.
Ordinary transparent screen protection glass is minimum to light loss, therefore the laminating is behind the screen surface, and the finger line unblock function under the screen is not influenced basically, but this product just reduces some screen crushing effect, does not weaken the performance to screen blue light, consequently does not possess the function of eyeshield.
The artificial light source is composed of three primary colors of red, green and blue, the higher the energy of the blue light is, the higher the light brightness is, and the novel screen protection screen product can generate an absorption effect on light energy with the wavelength of 450nm, so that the intensity of the reflected light can be reduced, the light sensation received by the photoelectric sensing receiving end is insufficient, and the sensitivity of finger print unlocking under the screen is directly influenced. Along with the popularization of the comprehensive screen product, the problem directly influences the popularization and application of all novel protection screen products matched with the new electronic product screen.
Disclosure of Invention
The invention aims to solve the technical problem that the anti-dazzle blue-light-proof composite screen protection screen influences the function of unlocking the fingerprint under the screen, and provides a processing technology of the anti-dazzle blue-light-proof composite screen protection screen suitable for unlocking the fingerprint under the screen.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a processing technology of an anti-dazzle blue-light-proof composite screen protection screen suitable for unlocking fingerprints under the screen comprises the following steps:
s1: performing chemical etching AG treatment on one side of the glass substrate;
s2: carrying out blue light prevention treatment on the other side of the glass substrate through vacuum evaporation electroplating; positioning a fingerprint unlocking area on the side surface of the glass substrate, and performing mesh-shaped hollow-out treatment on the fingerprint unlocking area;
s3: and (4) carrying out aging treatment on the electroplated blue-light-proof coating.
Further, in S2, one side of the glass substrate is electroplated to prevent blue light, and then the fingerprint unlocking area blue light-preventing plating layer on the side surface is subjected to mesh-like hollow-out processing.
Further, in S2, the method further includes: and (3) removing the back protection of the AG-treated glass substrate in the S1, cleaning, carrying out vacuum evaporation electroplating, coating photoresist protection on the surface of the glass coating, attaching a photomask with a local net-shaped fingerprint area on a photoresist layer, carrying out photocuring process treatment, then putting the photoresist layer into a deplating solution, deplating and restoring the original transparency of the hollowed part of the fingerprint area after the photocuring process, washing off the residual photoresist film by using a solvent, and cleaning to obtain the blue light absorption coating layer with the net-shaped hollowed part only in the fingerprint area.
Further, the photo-curing process is a yellow light process, the photoresist is yellow light glue, and the photomask is a film.
Further, in S2, the method further includes: and (4) removing the back protection of the AG-treated glass substrate in the S1, cleaning, carrying out vacuum evaporation electroplating, placing the coated surface on a laser engraving machine after the cleaning is finished, carrying out dot-like hollow treatment on the fingerprint area coated layer by using laser, and cleaning to obtain the blue light absorption coated layer with the netted hollow in the fingerprint area.
Further, in the step S2, the fingerprint unlocking area on the surface to be coated is first subjected to mesh-like hollow-out processing, and then one side of the glass substrate is subjected to electroplating blue-light prevention processing.
Further, the method also comprises the following steps: and (4) removing the back protection of the AG-treated glass substrate in the step (S1), cleaning, attaching a dot paste subjected to dot treatment in advance to a fingerprint area on the surface of the glass to be coated, and then carrying out vacuum evaporation plating.
Furthermore, dense micropores are punched in the dot paste by laser in advance.
Furthermore, the vacuum evaporation electroplating process is characterized in that an electroplating film material is placed in an electroplating chamber in advance, the surface activation and each layer of film electroplating sequence are preset, electroplating is started on the other side of the base layer, and the thickness of each film layer in the electroplating process is automatically controlled in a mode of detecting the film thickness by a crystal oscillator plate.
Further, the shape of the reticular structure after the reticular hollow treatment is rectangular, rhombic or circular, the reticular structure is uniformly arranged in a matrix mode, the hollow parts are matrix points or gaps among the matrix arrangement, and the space between the mesh points and the diameter of the hollow points are 0.005-0.01 mm.
The invention has the beneficial effects that:
the local screening treatment of the fingerprint unlocking area specifically comprises the step of partially eliminating a blue light absorption film layer of the screen protection screen at the position of the fingerprint area under the screen to form a net-shaped structure, wherein the elimination position of the film layer is a glass smooth substrate, and the mirror surface effect is strongest, so that the reflected light energy is improved, the effective receiving of a photoelectric sensing device is ensured, and the sensitivity and the accuracy of the fingerprint unlocking function under the screen are recovered.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is an enlarged view of a part of a mesh of embodiment 1 of the present invention after the mesh-like hollowing treatment;
FIG. 2 is a partially enlarged view of the mesh of example 2 of the present invention after the mesh hollowing treatment;
FIG. 3 is a partially enlarged view of the mesh-like hollowed-out portion of example 3 of the present invention.
Detailed Description
Example 1
Cleaning a glass substrate after back protection, carrying out chemical etching AG treatment, then removing the back protection and carrying out secondary cleaning, carrying out vacuum evaporation electroplating, presetting the electroplating sequence and thickness of a film material, controlling the whole vacuum evaporation electroplating operation to be finished by a mode of detecting the film thickness by a crystal oscillator plate, coating yellow glue protection on the surface of the glass coated film, wherein the coating mode can be printing, spraying, roll printing and the like, solidifying and pasting a film subjected to local net-shaped treatment in a fingerprint area, placing the film into a deplating solution after the yellow light process treatment, deplating and restoring the original transparency of the fingerprint area after the yellow light process, then washing the residual yellow glue film by a solvent, and cleaning to obtain a blue light absorption coating film layer only provided with net-shaped hollows in the fingerprint area, as shown in figure 1. And finally, transferring the electroplated glass substrate into an oxygen enrichment box, introducing oxygen for 2L/min for 8 minutes, and aging for 4 hours. The surface light reflectivity of the prepared novel screen protection screen is reduced to 1.2% from 8.3%, the filtration interception rate of harmful blue light reaches 55%, the screen picture is fine and soft, the visual comfort level is greatly improved, the requirement of long-term watching under different scenes is met, the shape of a net structure in a fingerprint unlocking area is circular and is uniformly arranged in a matrix mode, the hollowed-out parts are matrix points, and the space between the dots and the diameter of the hollowed-out points are 0.01 mm.
The solvent and the deplating solution are compound solutions commonly used in the industry, and different photoresist correspond to different solvents and deplating solutions.
Example 2
Cleaning the glass substrate after back protection, carrying out chemical etching AG treatment, then removing the back protection and carrying out secondary cleaning, and attaching a mesh point paste with mesh point treatment in advance to a fingerprint area on the surface of the glass to be coated, wherein the mesh points can be used for punching dense micropores by adopting laser. Then, vacuum evaporation electroplating is carried out, the electroplating sequence and thickness of the film material are preset, the whole vacuum evaporation electroplating operation is controlled to be completed in a mode that a crystal oscillator plate detects the thickness of the film layer, then the fingerprint dot paste is removed, and another hollow form can be obtained after cleaning, as shown in figure 2. And finally, transferring the electroplated glass substrate into an oxygen enrichment box, introducing oxygen for 2L/min for 8 minutes, and aging for 4 hours. The prepared novel screen protection screen surface light reflectivity is reduced to 0.53% from 8.3%, the harmful blue light filtering interception rate reaches 43%, the screen picture is soft and bright, the requirements of clear watching and visual comfort level under bright environment are met, long-time watching is not eye-tired, the shape of the reticular structure of the fingerprint unlocking area is rectangular and is uniformly arranged in a matrix mode, the hollowed-out parts are gaps among matrix arrangement, the space of the dots and the diameter of the hollowed-out points are 0.01mm
Example 3
Cleaning the glass substrate after back protection, carrying out AG treatment by chemical etching, then removing the back protection and carrying out secondary cleaning, carrying out vacuum evaporation electroplating, presetting the electroplating sequence and thickness of the film material and controlling the whole vacuum evaporation electroplating operation to be completed in a mode of detecting the film thickness by a crystal oscillator piece, placing the coated surface on a laser engraving machine after completion, carrying out dot-like hollow treatment on the coated layer in the fingerprint area by laser, and obtaining the blue light absorption coated layer with a net-like hollow in the fingerprint area after cleaning, as shown in figure 3. And finally, transferring the electroplated glass substrate into an oxygen enrichment box, introducing oxygen for 2L/min for 8 minutes, and aging for 4 hours. The surface light reflectivity of the prepared novel screen protection screen is reduced to 0.85% from 8.3%, the filtering interception rate of harmful blue light reaches 61%, the screen picture is fine and soft, the requirement of visual comfort level under an indoor environment is met, the long-term watching is not eye-tired, the shape of a net-shaped structure of a fingerprint unlocking area is circular and is uniformly arranged in a matrix mode, hollowed-out parts are gaps among matrix arrangements, and the space between dots and the diameter of hollowed-out points are 0.01 mm.
The principle of the local screening treatment of the fingerprint unlocking area in the above embodiments 1 to 3 is to partially eliminate the blue light absorbing film layer of the screen protection screen at the position of the fingerprint area under the screen to form a mesh structure, wherein the film layer elimination position is the glass smooth substrate, and the mirror effect is strongest, so that the reflected light energy is improved, the effective reception of the photoelectric sensing device is ensured, and the sensitivity and the accuracy of the fingerprint unlocking function under the screen are recovered.
The specific shape of the mesh structure can be rectangular, rhombic or circular, the mesh structure is uniformly arranged in a matrix mode, the distance and the size diameter of the hollow points are controlled to be less than or equal to 0.01mm, if the mesh structure is large in size, the local mesh is obvious, if the mesh structure is small, the technical difficulty is high, the process yield is reduced, and the optimal size is controlled to be 0.005-0.01 mm. The hollow parts can be matrix points or gaps among matrix arrangements.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are illustrative and not exclusive in all respects. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (10)
1. A processing technology of an anti-dazzle blue-light-proof composite screen protection screen suitable for unlocking fingerprints under the screen is characterized by comprising the following steps:
s1: performing chemical etching AG treatment on one side of the glass substrate;
s2: carrying out blue light prevention treatment on the other side of the glass substrate through vacuum evaporation electroplating; positioning a fingerprint unlocking area on the side surface of the glass substrate, and performing mesh-shaped hollow-out treatment on the fingerprint unlocking area;
s3: and (4) carrying out aging treatment on the electroplated blue-light-proof coating.
2. The processing technology of the anti-glare and blue-light-proof composite screen protection screen suitable for unlocking the fingerprint under the screen as claimed in claim 1, wherein in S2, one side of the glass substrate is firstly subjected to electroplating blue-light-proof treatment, and then the blue-light-proof coating of the fingerprint unlocking area on the side surface is subjected to net-shaped hollow treatment.
3. The process for manufacturing the anti-glare and anti-blue-light composite screen protection screen suitable for unlocking the fingerprint under the screen according to claim 2, wherein the step of S2 further comprises the following steps: and (3) removing the back protection of the AG-treated glass substrate in the S1, cleaning, carrying out vacuum evaporation electroplating, coating photoresist protection on the surface of the glass coating, attaching a photomask with a local net-shaped fingerprint area on a photoresist layer, carrying out photocuring process treatment, then putting the photoresist layer into a deplating solution, deplating and restoring the original transparency of the hollowed part of the fingerprint area after the photocuring process, washing off the residual photoresist film by using a solvent, and cleaning to obtain the blue light absorption coating layer with the net-shaped hollowed part only in the fingerprint area.
4. The process for manufacturing the anti-glare and anti-blue-light composite screen protection screen suitable for unlocking the finger print under the screen according to claim 3, wherein the light curing process is a yellow light process, the photoresist is yellow light glue, and the photomask is a film.
5. The processing technology of the anti-glare and anti-blue-light composite screen protection screen suitable for unlocking the fingerprint under the screen as claimed in claim 2, wherein in the step S2, the following steps are further included: and (4) removing the back protection of the AG-treated glass substrate in the S1, cleaning, carrying out vacuum evaporation electroplating, placing the coated surface on a laser engraving machine after the cleaning is finished, carrying out dot-like hollow treatment on the fingerprint area coated layer by using laser, and cleaning to obtain the blue light absorption coated layer with the netted hollow in the fingerprint area.
6. The processing technology of the anti-glare and blue-light-proof composite screen protection screen suitable for unlocking the fingerprint under the screen as claimed in claim 1, wherein in S2, the fingerprint unlocking area on the surface to be coated is firstly subjected to net-shaped hollow treatment, and then one side of the glass substrate is subjected to electroplating blue-light-proof treatment.
7. The processing technology of the anti-glare and anti-blue-light composite screen protection screen suitable for unlocking the fingerprint under the screen as claimed in claim 6, further comprising the following steps: and (4) removing the back protection of the AG-treated glass substrate in the step (S1), cleaning, attaching a dot paste subjected to dot treatment in advance to a fingerprint area on the surface of the glass to be coated, and then carrying out vacuum evaporation plating.
8. The process for manufacturing the anti-glare and anti-blue-light composite screen protection screen suitable for unlocking the finger print under the screen as claimed in claim 7, wherein the dot paste is pre-perforated with dense micro-holes by laser.
9. The process for manufacturing the anti-glare and anti-blue-light composite screen protection screen suitable for unlocking the fingerprint under the screen according to any one of claims 1 to 8, wherein the vacuum evaporation plating process comprises the steps of placing a plating film material in an electroplating chamber in advance, presetting surface activation and a plating sequence of each layer of film, starting electroplating on the other side of the base layer, and automatically controlling the thickness of each layer of film in the electroplating process in a mode of detecting the film thickness by a crystal oscillator plate.
10. The process for manufacturing the anti-glare and anti-blue-light composite screen protection screen suitable for unlocking the finger print under the screen according to any one of claims 1 to 8, wherein the mesh structure after the mesh hollowing treatment is rectangular, rhombic or circular and is uniformly arranged in a matrix manner, the hollow part is a matrix point or a gap between matrix arrangements, and the distance between the mesh points and the diameter of the hollow point are 0.005-0.01 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911143322.0A CN111144204B (en) | 2019-11-20 | 2019-11-20 | Processing technology of anti-dazzle blue-light-proof composite screen protection screen suitable for unlocking fingerprints under screen |
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| CN201911143322.0A CN111144204B (en) | 2019-11-20 | 2019-11-20 | Processing technology of anti-dazzle blue-light-proof composite screen protection screen suitable for unlocking fingerprints under screen |
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| CN111144204A true CN111144204A (en) | 2020-05-12 |
| CN111144204B CN111144204B (en) | 2023-04-18 |
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| WO2016173154A1 (en) * | 2015-04-30 | 2016-11-03 | 京东方科技集团股份有限公司 | Fingerprint recognition device, display screen and display device |
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2019
- 2019-11-20 CN CN201911143322.0A patent/CN111144204B/en active Active
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| CN104035622A (en) * | 2014-06-25 | 2014-09-10 | 深圳市点燃科技有限公司 | Manufacturing method for touchscreen sensor |
| CN204249481U (en) * | 2014-11-07 | 2015-04-08 | 上海本朴科技发展有限公司 | With the screen protecting film of curved surface frame |
| WO2016173154A1 (en) * | 2015-04-30 | 2016-11-03 | 京东方科技集团股份有限公司 | Fingerprint recognition device, display screen and display device |
| CN109001855A (en) * | 2018-09-14 | 2018-12-14 | 郑州恒昊光学科技有限公司 | A kind of screen protective shield and preparation method thereof based on AG and anti-blue light double effects |
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