CN109270622A - A kind of processing method changing glass light guide plate surface tension and water droplet angle - Google Patents
A kind of processing method changing glass light guide plate surface tension and water droplet angle Download PDFInfo
- Publication number
- CN109270622A CN109270622A CN201811230117.3A CN201811230117A CN109270622A CN 109270622 A CN109270622 A CN 109270622A CN 201811230117 A CN201811230117 A CN 201811230117A CN 109270622 A CN109270622 A CN 109270622A
- Authority
- CN
- China
- Prior art keywords
- light guide
- guide plate
- glass light
- water
- water droplet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0065—Manufacturing aspects; Material aspects
Abstract
The present invention provides a kind of processing methods for changing glass light guide plate surface tension and water droplet angle, the following steps are included: preparing glass light guide plate, ultrasonic unit, the sodium hydrate aqueous solution that mass fraction is 15~20% is filled into the liquid bath of ultrasonic unit, glass light guide plate is placed in liquid bath, the power that ultrasonic unit is arranged is 3~5KW, and the temperature of sodium hydrate aqueous solution is promoted to 60 DEG C by 25 DEG C in 20~30min；Glass light guide plate is transferred in the first sink and is impregnated 5~10 minutes, 50~70 DEG C of water is housed in the first sink；Glass light guide plate is transferred quickly to impregnate 3~5 minutes in the second sink, 20~25 DEG C of water is housed in the second sink；The water on glass light guide plate surface is dried up using air knife, obtains the glass light guide plate that water droplet angle is 30~35 °.Processing method provided by the invention is handled glass light guide plate surface before printing ink, changes surface tension and the water droplet angle of glass light guide plate, improves the net-point quality formed in subsequent handling.
Description
Technical field
The present invention relates to glass light guide plate manufacture fields, and in particular to a kind of change glass light guide plate surface tension and water droplet
The processing method at angle.
Background technique
Glass light guide plate is the important component in backlight module, generally in the back up ink of glass light guide plate and
Site is made, for parallel incident light to be converted to the emergent light perpendicular to glass light guide plate, the quality of site is to liquid crystal
The imaging of display screen has strong influence.
Since glass light guide plate is made by the processes such as ingredient, melted, forming, annealing, since annealing operation is general
Be it is cooling under fan action, the temperature of glass light guide plate surface each position, wind pressure are different when annealing, be easy to cause after cooling
Glass light guide plate surface each position surface tension and water droplet angle are not of uniform size, and surface tension and water droplet angle are to subsequent site system
There are larger impacts for work, and the solidification shape of ink is affected by glass light guide plate surface temperature, humidity, if do not controlled strictly
The surface tension of glass light guide plate processed and water droplet angle, it will seriously affected the guide-lighting quality of glass light guide plate.
Summary of the invention
In view of the above problems, the present invention provides a kind of processing method for changing glass light guide plate surface tension and water droplet angle,
Before printing ink, glass light guide plate surface is handled, changes surface tension and the water droplet angle of glass light guide plate, after raising
The net-point quality formed in continuous process.
To achieve the above object, the present invention solves by the following technical programs:
A kind of processing method changing glass light guide plate surface tension and water droplet angle, comprising the following steps:
S1 prepares glass light guide plate, ultrasonic unit, and it is 15~20% that mass fraction is filled into the liquid bath of ultrasonic unit
Glass light guide plate is placed in liquid bath by sodium hydrate aqueous solution, and the power that ultrasonic unit is arranged is 3~5KW, and 20~
The temperature of sodium hydrate aqueous solution is promoted to 60 DEG C by 25 DEG C in 30min；
Glass light guide plate is transferred in the first sink by S2 to be impregnated 5~10 minutes, and 50~70 DEG C of water is housed in the first sink；
Glass light guide plate is transferred quickly to impregnate 3~5 minutes in the second sink by S3, equipped with 20~25 DEG C in the second sink
Water；
S4 takes out glass light guide plate, dries up the water on glass light guide plate surface using air knife, obtains the glass that water droplet angle is 30~35 °
Glass light guide plate.
Specifically, the changing rule of the temperature T in the step S1 meets following formula: T=at+25,1.15≤a≤
1.75, t be the time, and the unit of t is min.
Specifically, the water in step S2, S3 is deionized water.
Specifically, the wind speed of the air knife setting is 20~40m/s.
Specifically, the temperature of water is 60 DEG C in the step S2, the temperature of water is 20 DEG C in the step S3.
The beneficial effects of the present invention are:
The present invention provides a kind of processing method for changing glass light guide plate surface tension and water droplet angle, first with ultrasonic wave, weak base
Liquid cleans glass light guide plate surface, and by the oil removal on glass light guide plate surface, elimination effect is excellent, then passes through two
The sink of secondary different temperatures is handled, and is acted on by chilling, is changed surface tension and the water droplet angle of glass light guide plate, keeps glass guide-lighting
The surface of plate is more stable, is conducive to subsequent site production.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that glass light guide plate light guiding surface prints the first site formed after ink in the prior art.
Fig. 2 is the glass light guide plate that the present invention is utilized and makes, the second site formed after light guiding surface printing ink
Structural schematic diagram.
Appended drawing reference are as follows: glass light guide plate 1, the first site 2, the second site 3.
Specific embodiment
Below with reference to embodiment and attached drawing, the present invention is described in further detail, but embodiments of the present invention are unlimited
In this.
Embodiment 1
A kind of processing method changing glass light guide plate surface tension and water droplet angle, comprising the following steps:
It is 70 ° of glass light guide plates 1, ultrasonic units that A1, which prepares a water droplet angle, fills quality into the liquid bath of ultrasonic unit
The sodium hydrate aqueous solution that score is 20%, glass light guide plate 1 is placed in liquid bath, and the power that ultrasonic unit is arranged is 4KW,
And the temperature T of sodium hydrate aqueous solution is promoted to 60 DEG C by 25 DEG C in 20min, the changing rule of temperature T meets following
Formula: T=1.75t+25, t are the time, and the unit of t is min；
Glass light guide plate 1 is transferred in the first sink by A2 to be impregnated 10 minutes, and 60 DEG C of deionized water is housed in the first sink；
Glass light guide plate 1 is transferred quickly to impregnate 5 minutes in the second sink by A3, and 20 DEG C of deionization is housed in the second sink
Water；
A4 takes out glass light guide plate 1, is dried up the water on 1 surface of glass light guide plate using air knife, the wind speed of air knife setting is 30m/
S obtains the glass light guide plate that water droplet angle is 30 °.
As shown in Fig. 2, the glass light guide plate 1 that the preparation-obtained water droplet angle of the present embodiment is 30 ° is subjected to site production,
It is specific as follows:
A5 prints light guide ink, the second site of formation using conventional screen printing technique, in the light guiding surface of glass light guide plate 1
3 marshallings, the shape size after light guide ink solidifies is consistent, highly consistent, and light guide effect is preferable.
Comparative example 1
As shown in Figure 1, the prior art glass light guide plate 1 make site specific process the following steps are included:
It is 70 ° of glass light guide plates 1 that B1, which prepares a water droplet angle,；
B2 prints light guide ink, the first site of formation using conventional screen printing technique, in the light guiding surface of glass light guide plate 1
2 arrangements are at random, and the shape size after light guide ink solidifies is different, highly different, and light guide effect is poor.
1 kind of embodiment of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but not
Limitations on the scope of the patent of the present invention therefore can be interpreted as.It should be pointed out that coming 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 protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (5)
1. a kind of processing method for changing glass light guide plate surface tension and water droplet angle, which comprises the following steps:
S1 prepares glass light guide plate, ultrasonic unit, and it is 15~20% that mass fraction is filled into the liquid bath of ultrasonic unit
Glass light guide plate is placed in liquid bath by sodium hydrate aqueous solution, and the power that ultrasonic unit is arranged is 3~5KW, and 20~
The temperature of sodium hydrate aqueous solution is promoted to 60 DEG C by 25 DEG C in 30min；
Glass light guide plate is transferred in the first sink by S2 to be impregnated 5~10 minutes, and 50~70 DEG C of water is housed in the first sink；
Glass light guide plate is transferred quickly to impregnate 3~5 minutes in the second sink by S3, equipped with 20~25 DEG C in the second sink
Water；
S4 takes out glass light guide plate, dries up the water on glass light guide plate surface using air knife, obtains the glass that water droplet angle is 30~35 °
Glass light guide plate.
2. a kind of processing method for changing glass light guide plate surface tension and water droplet angle according to claim 1, feature
It is, the changing rule of the temperature T in the step S1 meets following formula: T=at+25,1.15≤a≤1.75, when t is
Between, the unit of t is min.
3. a kind of processing method for changing glass light guide plate surface tension and water droplet angle according to claim 1, feature
It is, the water in step S2, S3 is deionized water.
4. a kind of processing method for changing glass light guide plate surface tension and water droplet angle according to claim 1, feature
It is, the wind speed of the air knife setting is 20~40m/s.
5. a kind of processing method for changing glass light guide plate surface tension and water droplet angle according to claim 1, feature
It is, the temperature of water is 60 DEG C in the step S2, and the temperature of water is 20 DEG C in the step S3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811230117.3A CN109270622B (en) | 2018-10-22 | 2018-10-22 | Processing method for changing surface tension and water drop angle of glass light guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811230117.3A CN109270622B (en) | 2018-10-22 | 2018-10-22 | Processing method for changing surface tension and water drop angle of glass light guide plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109270622A true CN109270622A (en) | 2019-01-25 |
| CN109270622B CN109270622B (en) | 2020-12-11 |
Family
ID=65193652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811230117.3A Active CN109270622B (en) | 2018-10-22 | 2018-10-22 | Processing method for changing surface tension and water drop angle of glass light guide plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109270622B (en) |
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| Publication number | Publication date |
|---|---|
| CN109270622B (en) | 2020-12-11 |
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