TWI526305B - Laminated glass structure and manufacturing method of antiglare glass - Google Patents

Description

Laminated glass structure and method for manufacturing anti-glare glass

The invention relates to a glass fog plating technology, in particular to a laminated glass structure and a manufacturing method of the anti-glare glass using the laminated glass structure for fog plating to increase the productivity.

Display screens (especially touch screens) for portable electronic devices such as mobile phones, digital cameras, personal digital assistants (PDAs), tablets and notebook computers, to prevent scratches or damage due to excessive finger force It is usually covered with a tempered glass for protection on the screen surface. However, the smooth surface of the tempered glass is prone to fingerprint residue and is also disturbed by the environment and external light. Specifically, glare and reflected light are caused by the light being irradiated on the smooth surface, thereby affecting the visual quality.

In order to avoid glare/reflected light from affecting vision, the technical solution is to apply atomization treatment to the smooth surface of the strengthened glass. For example, the current common methods of atomization are as follows:

1. Attach a PET film to the smooth surface of the tempered glass. This method has the advantages of low cost and high yield of equipment (film laminating machine); however, the current EU regulations gradually ban PET plastic; on the other hand, it must be used in mass production. At the same time, multiple laminating machines are used, thus extending the floor space and manpower problems.

2. Using physical vapor deposition (PVD) technology to coat an anti-glare film on the smooth surface of the tempered glass. This method has good uniformity and adhesion of the anti-glare film. Advantages; however, physical vapor deposition techniques can affect the penetration of tempered glass in addition to the equipment and plaques used.

3. Using a spray coating technique to coat an anti-glare film on the smooth surface of the tempered glass, although this method has the advantage of being inexpensive; however, the anti-glare film formed by the coating method has poor uniformity and is easy. It is easy to have Mura, which means various traces caused by uneven brightness/chromaticity.

4. Use a frosting device (sand blasting machine or frosting machine) to atomize the smooth surface of the tempered glass. This method also has the advantage of cheap equipment; however, the sanding equipment has its own safety problems. In addition, waste disposal problems are also derived. On the other hand, the production capacity of the frosting equipment is too low (<8K/M), and the penetration and atomization uniformity of the atomized glass made by the same are poor.

Therefore, the present inventors have in view of the necessity of improvement in the conventional atomization technology, and have been actively researching and improving the glass atomization method with various years of experience in creative design and professional manufacturing in related fields. Under the careful consideration, the "manufacturing method of the anti-glare glass" of the present invention has finally been developed.

The present invention provides a method for manufacturing a laminated glass structure and an anti-glare glass which is atomized by using the laminated glass structure, and has high penetration and high atomization uniformity. It also has permanent anti-reflective properties.

In order to achieve the above object, the present invention adopts the following technical solution: a laminated glass structure suitable for performing a wet etching process, the laminated glass structure comprising a first glass plate, a second glass plate and a laminated plastic frame. The first glass plate and the second glass plate each have a processing surface and a non-machined surface; the interlayer plastic frame is respectively connected to the non-machined surfaces of the first glass plate and the second glass plate Wherein the interlayer plastic frame and the first glass plate and the second glass plate together form a protective space for preventing the first glass plate and the second glass plate from being non- The machined surface is subject to etching.

The present invention also provides a method for manufacturing an anti-glare glass, comprising the steps of: firstly, providing a laminated glass structure, the laminated glass structure comprising a first glass plate, a laminated plastic frame and a second glass plate, a glass plate and the second glass plate each have a processing surface and a non-machined surface, and the interlayer plastic frame is respectively connected with the non-machined surface of the first glass plate and the second glass plate and is framed together A protective space is formed; an etching process is then performed to etch the processed faces of the first glass plate and the second glass plate to form an atomizing surface.

In summary, the method for manufacturing the anti-glare glass of the present invention can improve the productivity by applying the laminated glass structure to the atomization process of the etching, in addition to increasing the atomization uniformity, compared to the conventional atomization process. More than twice; and the separated interlayer plastic frame can be dissolved by an organic solvent, so that no waste disposal problem is derived.

Other objects and advantages of the present invention will be further understood from the technical features disclosed herein. The above and other objects, features, and advantages of the present invention will be apparent from

10‧‧‧Laminated glass structure

11‧‧‧First glass plate

110‧‧‧ joint area

1101‧‧‧ border

111‧‧‧Processing surface

111a‧‧‧Atomized surface

112‧‧‧Non-machined surface

113‧‧‧ side panel

1131‧‧‧ first board

13‧‧‧Second glass plate

131‧‧‧Processing surface

131a‧‧‧Atomized surface

132‧‧‧Non-machined surface

14‧‧‧Protection space

20‧‧‧etching trough

21‧‧‧etching solution

30‧‧‧cleaning tank

1132‧‧‧ second board

12‧‧‧Mezzanine frame

121‧‧‧ first frame

122‧‧‧ second frame

31‧‧‧Pressure motor

32‧‧‧Sprinkle pipe

D, D1, D2‧‧‧ horizontal distance

S10~S18‧‧‧ Process steps

1 is a flow chart showing the steps of a method for producing an anti-glare glass of the present invention.

Figure 2 is a perspective view of the laminated glass structure of the present invention.

3 is a schematic view showing the process of forming a sandwich plastic frame of the present invention on a first glass plate.

4 is a schematic view of a process for performing an etching step of the present invention.

Figure 5 is a cross-sectional view of the etched laminated glass structure of the present invention.

Figure 6 is a schematic view showing the process of performing a cleaning step of the present invention.

The present disclosure proposes a method for manufacturing an anti-glare glass, mainly by first bonding a plastic frame between two glass plates to form a laminated glass structure, and then applying the clip. The layered glass structure is subjected to Wet etching so that the smooth surfaces of the two glass sheets which are not bonded to the plastic frame are respectively etched to form a uniform matte surface. Therefore, the process cost (such as manpower, equipment, and raw materials) of the conventional glass atomization process can be solved, the glass of the atomized glass produced by the glass is poorly penetrated, the atomization uniformity is poor, and the safety is low. Low technical issues such as low capacity.

Please refer to FIG. 1 , which is a flow chart of steps of a method for manufacturing an anti-glare glass according to a first embodiment of the present invention. The method for manufacturing the anti-glare glass of the embodiment includes the step S10 of providing a laminated glass structure, which is composed of a first glass plate, a laminated plastic frame and a second glass plate; and step S12: performing an etching step Forming an atomizing surface on the first glass plate and the second glass plate respectively; Step S14: performing a cleaning step of rinsing the first glass plate and the second glass plate with deionized water An atomizing surface; Step S16: performing a heat treatment step of separating the first glass plate, the interlayer plastic frame and the second glass plate; Step S18: performing a degumming step, removing the first portion by using an organic solvent A residual glue on a glass plate and the second glass plate.

The specifics of the various steps will be described in detail with reference to the accompanying drawings, and the advantages and functions of the present invention can be easily understood by those skilled in the art, and various modifications may be made without departing from the spirit of the invention. And a modification to apply or apply the method of manufacturing the anti-glare glass.

Referring to FIG. 2, in step S10, the present invention firstly fabricates a laminated glass structure 10 by first preparing a first glass plate 11 (upper glass plate) and a second glass plate 13 of appropriate thickness ( The first glass plate 11 and the second glass plate 13 each have a processing surface 111, 131 and a non-machined surface 112, 132, and the processing surfaces 111, 131 and the non-machined surfaces 112, 132 are It is a smooth surface, wherein the processing surfaces 111, 131 are processed into an atomizing surface in a subsequent step; and then the non-processing of the adhesive is applied to the first glass sheet 11 by using a nano-grade adhesive as a bonding interface. The non-finished surface 132 of the surface 112 or the second glass sheet 13 is formed to form a laminated plastic frame 12 of a suitable thickness, and then the interlayer plastic frame 12 and the first and second glass plates 11, 13 are bonded to each other, thereby forming the Laminated glass structure 10.

It is worth mentioning that, according to the structure of the laminated glass structure 10, the interlayer plastic frame 12 can be combined with the first and second glass plates 11 and 13 to form a protective space 14 to prevent the first glass plate 11 from being The non-machined surface 112 and the non-machined surface 132 of the second glass sheet 13 are disturbed in subsequent steps such that the non-machined surfaces 112, 132 remain the original smooth surface.

In order to obtain the optimal strength of the above-mentioned laminated glass structure 10, the overall process yield can be improved; the non-machined surface 112 of the first glass plate 11 can be pre-defined as a joint region 110, which is used as the interlayer plastic frame 12. The molding position, and the horizontal distance of the boundary 1101 of the joint region 110 to the side panel surface 113 of the first glass sheet 11 is between 1 mm and 5 mm. It can be understood that the joint region 110 is not limited to the non-machined surface 112 of the first glass sheet 11 . In an unillustrated embodiment, the joint region 110 may also be pre-defined on the non-machined surface of the second glass sheet 13 . 132.

Moreover, the optimal thickness ratio of the first glass plate 11, the interlayer plastic frame 12 and the second glass plate 13 is 1.5:1:1.5, and the first glass plate 11 and the second glass plate 13 can be designed according to the design requirements. The thickness to be used is determined, and the invention is not limited thereto.

Referring to FIG. 3, in more detail, the side panel 113 of the first glass panel 11 can be further divided into a first panel surface 1131 and a second panel surface 1132 orthogonal to the first panel surface 1131. The laminated plastic frame 12 has a first frame surface 121 and a second frame surface 122 orthogonal to the first frame surface 121. In a preferred embodiment, the first plate surface 1131 and the first frame surface 121 The horizontal distance D1 is 1 mm, and the horizontal distance D2 of the second plate surface 1132 and the second frame surface 122 is 5 mm.

Referring to FIG. 4 and FIG. 5, in step S12, a plurality of laminated glass structures 10 prepared by using step S10 are sent to the etching bath 20 via a carrying device (not shown), so that the laminated glass structures 10 are immersed in Wet etching is performed in the etching solution 21 to etch the processed surfaces 111, 131 of the first and second glass sheets 11, 13 of each laminated glass structure 10 into uniform atomizing surfaces 111a, 131a (rough surface); The etching solution 21 may be, but not limited to, nitric acid (HNO ₃ ), sulfuric acid (H ₂ SO ₄ ), acetic acid (CH ₃ CO ₂ ), hydrochloric acid (HCl) or hydrofluoric acid (HF). In a preferred embodiment, a plurality of jet tubes (not shown) at the bottom of the etching bath 20 may be used to jet the air to generate eddy currents, thereby causing the etching liquid 21 to flow around to uniformly the first and second glass sheets. The processing faces 111 and 131 of 11, 13 are etched.

It is further worth mentioning that since the degree of uniformity of the atomization surface formed by the etching method is better, the first and second glass plates 11 and 13 can have better anti-glare ( Anti-Glare) and the anti-reflection effect; in addition, since the non-machined surfaces 112, 132 of the first and second glass sheets 11, 13 are located in the protective space 14, they are not corroded by the etching liquid 21.

Referring to FIG. 6, in step S14, the etched laminated glass structures 10 are fed into the cleaning tank 30 via a carrying device (not shown), and deionized water is used by the pressurizing motor 31. The etchant is guided to the water spout pipe 32 to spray the deionized water to remove the etching liquid adhering to the processing surface atomizing surfaces 111a and 131a of the first and second glass plates 11, 13. However, the present invention does not limit the cleaning manner of the etched laminated glass structure 10. In an unillustrated embodiment, the etched laminated glass structure 10 can also be used to clean the residual etching solution by immersion. Drop it.

Then, in step S16, the cleaned laminated glass structures 10 are first heat-treated through a conveyor belt feeding device (not shown) to soften the laminated plastic frame 12 of the laminated glass structure 10, and then use the blade ( The figure is not shown) scraping the interlayer plastic frame 12 to separate the first glass plate 11 and the second glass plate 13 from the laminated plastic frame 12. It is noted that each laminated glass structure 10 can separate two pieces of atomized glass. This will increase production capacity by more than two times.

Finally, in step S18, the separated interlayer rubber frames 12 are dissolved by an organic solvent, and the separated first glass sheets 11 and the non-machined surfaces 112 and 132 of the respective second glass sheets 13 are separated by an organic solvent. The residual glue is wiped off, thus completing the flow of the method for producing the anti-glare glass of the present invention. In this embodiment, the heating device may be a heating furnace, and the organic solvent is selected from alcohol, but the invention Not limited to this.

In summary, the method for manufacturing the anti-glare glass of the present invention can improve the productivity by applying the laminated glass structure to the atomization process of the etching, in addition to increasing the atomization uniformity, compared to the conventional atomization process. More than twice; and the separated interlayer plastic frame can be dissolved by an organic solvent, so that no waste disposal problem is derived.

Further, the manufacturing method of the anti-glare glass of the invention can solve the process cost of the traditional glass atomization process (such as the cost of manpower, equipment and raw materials), and the glass of the atomized glass produced by the glass is worn. Technical problems such as poor transparency and poor atomization uniformity, low safety and low productivity.

The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Therefore, the equivalents of the present invention and the equivalents of the drawings are all included in the present invention. Within the scope of protection, it is given to Chen Ming.

S10~S18‧‧‧ Process steps

Claims (11)

A method for manufacturing an anti-glare glass, comprising the steps of: providing a laminated glass structure, the laminated glass structure comprising a first glass plate, a laminated plastic frame and a second glass plate, the first glass plate and the The second glass plates each have a processing surface and a non-machined surface, and the interlayer plastic frame is respectively connected with the non-machined surfaces of the first glass plate and the second glass plate and collectively surrounds a protection space; An etching process is performed to etch the processed surfaces of the first glass sheet and the second glass sheet to form an atomizing surface. The method for manufacturing an anti-glare glass according to claim 1, wherein after the step of performing an etching process, further comprising a cleaning step of washing the mist of the first glass plate and the second glass plate with deionized water Face. The method for producing an anti-glare glass according to claim 2, wherein after performing the cleaning step, further comprising a heat treatment step of heating the laminated glass structure to soften the interlayer plastic frame. The method for producing an anti-glare glass according to claim 3, wherein after the heat-treating step, further comprising separating the first glass plate and the second glass plate from the interlayer plastic frame by a doctor blade. The method for manufacturing an anti-glare glass according to claim 4, wherein after the first glass plate and the second glass plate are separated from the interlayer plastic frame, a degumming step is further included, and an organic solvent is used. The interlayer plastic frame dissolves and wipes the non-machined surfaces of the first glass plate and the second glass plate. The method for producing an anti-glare glass according to claim 5, wherein the organic solvent is alcohol. The method of manufacturing an anti-glare glass according to claim 1, wherein the non-processed mask of one of the first glass sheet and the second glass sheet has a joint region, the boundary of the joint region and the The horizontal distance of the outer wall surface of one of the first glass plate and the second glass plate is between 1 mm and 5 mm. The interlayer plastic frame is disposed in the joint region. The method for manufacturing an anti-glare glass according to claim 1, wherein the side plate of the first glass plate has a first plate surface and a second plate surface orthogonal to the first plate surface, the interlayer The plastic frame has a first frame surface and a second frame surface orthogonal to the first frame surface, and the horizontal distance between the first plate surface and the first frame surface is 1 mm, and the second plate surface The horizontal distance from the second frame surface is 5 mm. A laminated glass structure suitable for performing a wet etching process, the laminated glass structure comprising: a first glass plate having a processed surface and a non-machined surface; and a second glass plate having a processed surface and a non- a processing surface; and a sandwich plastic frame respectively connected to the non-machined surface of the first glass plate and the second glass plate; wherein the interlayer plastic frame and the first glass plate and the second The glass plates collectively enclose a protective space for preventing the non-machined faces of the first glass plate and the second glass plate from being etched. The laminated glass structure of claim 9, wherein the non-processed mask of one of the first glass sheet and the second glass sheet has a joint region, the boundary of the joint region and the first glass The horizontal distance of the outer wall surface of one of the plate and the second glass plate is between 1 mm and 5 mm, and the interlayer rubber frame is disposed in the joint region. The laminated glass structure of claim 9, wherein the side panel of the first glass panel has a first panel surface and a second panel surface orthogonal to the first panel surface, the interlayer plastic frame having a first frame surface and a second frame surface orthogonal to the first frame surface, wherein a horizontal distance between the first plate surface and the first frame surface is 1 mm, and the second plate surface is The horizontal distance of the second frame is 5 mm.