TW202109153A - Curved type combined module and manufacturing method thereof - Google Patents

Abstract

The invention discloses a curved type combined module and a manufacturing method thereof. Firstly, a first curved transparent substrate is provided, which has an inner region and an outer region, and the outer region surrounds the inner region and a sealant is formed on the outer region. Then, a plurality of spacers is uniformly formed on the inner region and the sealant surrounds the spacers. Each of the spacers has a cross-sectional diameter of 5 to 60 [mu]m, and the size of the spacer has a coefficient of variation of less than or equal to 7%. Finally, a second curved transparent substrate is formed on the spacer and the sealant, so as to complete the curved surface bonding with the first curved transparent substrate, and maintain the gap between the first curved transparent substrate and the second curved transparent substrate, thereby achieving uniformity of the overall surface height.

Description

Curved surface type combined module and manufacturing method thereof

The present invention relates to a combination technology, and more particularly to a curved combination module and a manufacturing method thereof.

Due to the development of the Internet, the adhesion of users to consumer electronics 3C products has increased, and the demand for human eyes or long-term portable use experience has also increased. Therefore, it is required to increase the visual area and narrow the frame to improve the visual appearance of the screen. The breadth, weight reduction, and intuitive gesture touch behavior can reduce the need for use such as hand-held fatigue. Various curved surface designs have emerged accordingly, such as product design such as flat edge arc cornering and three-dimensional curved surfaces. However, the requirements for the bonding accuracy and height of the touch panel are becoming more and more stringent. As shown in the planar assembly module in Figure 1, in the general planar bonding process, the gap height between the two glass substrates 10 and 12 is controlled. The fluid optical glue 14 is used and the fluid optical glue 14 is confined in the space surrounded by the sealant 16, but after the fluid optical glue 14 is cured, the surfaces of the glass substrates 10 and 12 collapse due to insufficient support. In addition, when the plane lamination technology is applied to irregular and curved objects, it will encounter the following shortcomings: First, the problem of alignment accuracy. The two-dimensional plane line pressing method only requires XY two-dimensional accuracy. However, the curve The facing object is three-dimensional accuracy, and the Z-axis alignment accuracy needs to be considered. Secondly, there is the problem of surface flatness. Both surface pressing and linear pressing in two-dimensional planar lamination control the uniform flatness of the surface of the lamination by means of average pressure. However, the curved surface includes complex and irregular curved surfaces such as bumps and convexities. In addition, the impact of alignment accuracy will also affect the uniform flatness of the curved surface and increase the difficulty of detection. Finally, there is the problem of lamination gap control. The two-dimensional plane lamination can be controlled by the amount of optical glue and the height of the squeegee. However, the fluid optical glue will flow down due to gravity during the surface coating process, resulting in the adhesion between the surfaces. The gap width is difficult to control uniformly.

Therefore, the present invention aims at solving the above-mentioned problems and proposes a curved composite module and a manufacturing method thereof to solve the problems caused by the prior art.

The main purpose of the present invention is to provide a curved composite module and a manufacturing method thereof, which form a plurality of spacers between the two-curved transparent substrates to maintain and fix the gap between the two-curved transparent substrates to achieve the overall surface Highly uniform flatness, and effectively control the accuracy of the surface bonding height, and reduce the difficulty of complex surface bonding. At the same time, the cross-sectional diameter of the spacer is used to make the gap between the two-curved transparent substrates 5-60 microns, because the gap can be less than 100 microns, which reduces the amount of optical glue used, thereby reducing material costs.

In order to achieve the above objective, the present invention provides a curved composite module, which includes a first curved transparent substrate, a plurality of spacers, a sealant, and a second curved transparent substrate. The first curved transparent substrate has an inner area and an outer area, and the outer area surrounds the inner area. The spacers are uniformly arranged on the inner region, and the cross-sectional diameter of each spacer is 5-60 micrometers (μm), and the coefficient of variation of the size of all spacers is less than or equal to 7%. The sealant is arranged on the outer area and surrounds all spacers. The second curved transparent substrate is arranged on all the spacers and the sealant to thereby complete the curved surface bonding with the first curved transparent substrate and maintain and fix the gap between the first curved transparent substrate and the second curved transparent substrate.

In an embodiment of the present invention, the curved assembly module further includes an optical glue, which is uniformly arranged on the inner area, the frame glue surrounds the optical glue, and the second curved transparent substrate is arranged on the optical glue to thereby interact with the optical glue. The first curved transparent substrate completes curved surface bonding.

In an embodiment of the present invention, the curved composite module further includes a sensing layer, which is disposed between all the spacers and the inner region, and the sealant surrounds the sensing layer.

In an embodiment of the present invention, the spacers are plastic-based particles, glass-based particles, or silica-based particles.

In an embodiment of the present invention, the plastic particles are acrylic resin particles, the glass particles are quartz particles, and the silica particles are Siloxane polymer particles.

The present invention provides a method for manufacturing a curved composite module. First, a first curved transparent substrate is provided, which has an inner area and an outer area. The outer area surrounds the inner area and forms a sealant on the outer area. Then, a plurality of spacers are uniformly formed on the inner area to surround all spacers with sealant. The cross-sectional diameter of each spacer is 5-60 microns (μm). The coefficient of variation of the size of all spacers ( coefficient of variation) is less than or equal to 7%. A second curved transparent substrate is formed on all the spacers and the sealant, so as to complete the curved surface bonding with the first curved transparent substrate and maintain and fix the gap between the first curved transparent substrate and the second curved transparent substrate.

In an embodiment of the present invention, the sealant is ultraviolet light-sensitive adhesive. In the step of completing the curved surface bonding of the first curved transparent substrate and the second curved transparent substrate by all spacers and the sealant, ultraviolet light is used to irradiate The frame glue is used to harden the frame glue, and the curved surface bonding of the first curved transparent substrate and the second curved transparent substrate is completed by all spacers and the frame glue.

In an embodiment of the present invention, in the step of providing the first curved transparent substrate and forming the sealant on the outer area, the first curved transparent substrate is provided, and a sensing layer is formed on the inner area, and all of them are uniformly formed. The spacer is on the sensing layer and the inner area.

In one embodiment of the present invention, in the step of providing the first curved transparent substrate and forming the sealant on the outer area, the first curved transparent substrate is provided, and a sensing layer is formed on the inner area and the frame is formed. Glue on the outer area to surround the sensing layer with sealant. In the step of uniformly forming all the spacers on the inner area to surround all the spacers with the sealant, uniformly form all the spacers on the sensing layer and the inner area so that the sealant surrounds all the spacers.

In an embodiment of the present invention, the spacers are plastic-based particles, glass-based particles, or silica-based particles.

In order to make your reviewer have a better understanding and understanding of the structural features of the present invention and the achieved effects, the preferred embodiment diagrams and detailed descriptions are provided here. The description is as follows:

The embodiments of the present invention will be further explained by following relevant drawings. As far as possible, in the drawings and the description, the same reference numerals represent the same or similar components. In the drawings, the shape and thickness may be exaggerated based on simplification and convenient labeling. It can be understood that the elements that are not specifically shown in the drawings or described in the specification are in the form known to those skilled in the art. Those skilled in the art can make various changes and modifications based on the content of the present invention.

When an element is called "on", it can generally mean that the element is directly on other elements, or there can be other elements existing in both. Conversely, when an element is called "directly in" another element, it cannot have other elements in between. As used herein, the term "and/or" includes any combination of one or more of the listed related items.

The following description of "one embodiment" or "an embodiment" refers to at least one specific element, structure, or feature related to the embodiment. Therefore, multiple descriptions of "one embodiment" or "an embodiment" appearing in various places below are not directed to the same embodiment. Furthermore, specific components, structures, and features in one or more embodiments can be combined in an appropriate manner.

Please refer to Figure 2 below and introduce the first embodiment of the curved modular module of the present invention, which includes a first curved transparent substrate 18, a plurality of spacers 20, a sealant 22, and an optical glue 23 and a second curved transparent substrate 24, wherein the frame glue 22 and the optical glue 23 are both ultraviolet light sensitive glue, the optical glue 23 can be liquid optical glue (LOCA), the first curved transparent substrate 18 and the second curved transparent substrate 24 It may be a glass substrate, but the present invention is not limited to this. The first curved transparent substrate 18 has an inner area 26 and an outer area 28, and the outer area 28 surrounds the inner area 26. All spacers 20 and optical glue 23 are uniformly arranged on the inner region 26, the cross-sectional diameter of each spacer 20 is 5-60 micrometers (μm), and the coefficient of variation of the size of all spacers 20 is less than or equal to 7%. The sealant 22 is disposed on the outer area 28 and surrounds all the spacers 20 and the optical glue 23. The second curved transparent substrate 24 is provided on all the spacers 20, the sealant 22 and the optical glue 23, so as to complete the curved surface bonding with the first curved transparent substrate 18 and maintain and fix the first curved transparent substrate 18 and the second curved surface. The gap between the transparent substrates 24. The spacers 20 used in the present invention are plastic particles, glass particles, or silica particles. The plastic particles are acrylic resin particles, the glass particles are quartz particles, and the silica particles are silica particles. Siloxane polymer particles. Silicone-based particles are more neat and uniform in shape, and are easy to produce stable gaps. Compared with plastic-based particles, the amount of spreading is 1/3 to 1/5. At the same time, it has the advantage of low-temperature foaming. When applied to liquid crystal panels, It has good compatibility and stability with liquid crystals, and it is not easy to shrink at low temperatures and cause gravitational problems to cause chromatic aberration on the liquid crystal panel.

The spacer 20 may have a bead shape or a fibrous shape. Under the condition that the cross-sectional diameter is 5-60 microns, all the spacers 20 have a uniform size distribution, and the gap between each other is kept constant and uniform. In terms of the chemical properties of the spacer 20, it can remain stable even at a temperature of -40 to 200 degrees Celsius. The spacer 20 is also insoluble in organic solvents. The spacer 20 is not completely transparent, and depends on the constituent materials. Since the recognition rate of the human eye is greater than 100 micrometers, when the cross-sectional diameter of the spacer 20 is controlled to be less than 100 micrometers, the human eye cannot distinguish the space between the first curved transparent substrate 18 and the second curved transparent substrate 24物20的。 20's.

The present invention provides spacers 20 to control the bonding height and maintain the same height of the entire bonding surface. According to the size uniformity of the spacer 20 and the position between the first curved transparent substrate 18 and the second curved transparent substrate 24, the height of the gap between the first curved transparent substrate 18 and the second curved transparent substrate 24 is determined. Since the cross-sectional diameter of the spacer 20 is 5-60 micrometers, the height of the gap between the first curved transparent substrate 18 and the second curved transparent substrate 24 is also 5-60 micrometers, and is maintained constant, and the optical glue 23 is used The amount is reduced, thereby reducing material costs. Because all the spacers 20 are of the same height with a micron level size, they can be applied to the panel industry where optical characteristics are required. Secondly, since the gap between the first curved transparent substrate 18 and the second curved transparent substrate 24 can be maintained and fixed, the uniformity of the overall surface height can be achieved, and the first curved transparent substrate 18 and the second curved transparent substrate 24 can be maintained. The center height of the support, so it can effectively control the accuracy of the curved surface bonding height, reduce the difficulty of complex curved surface bonding, and is suitable for the curved surface bonding process. It can be applied to car panels, mobile phone panels, or virtual reality glasses, etc. .

Please refer to FIGS. 3 to 5 below, and introduce the manufacturing method of the first embodiment of the curved modular module of the present invention. First, as shown in FIG. 3, a first curved transparent substrate 18 is provided, which has an inner area 26 and an outer area 28. The outer area 28 surrounds the inner area 26 and forms a sealant 22 on the outer area 28. Then, as shown in FIG. 4, all the spacers 20 and the optical glue 23 are uniformly formed on the inner region 26 so that the sealant 22 surrounds all the spacers 20 and the optical glue 23. Finally, as shown in Figure 5, a second curved transparent substrate 24 is formed on the optical glue 23, all the spacers 20 and the sealant 22, and the sealant 22 and the optical seal 23 are irradiated with ultraviolet light to harden the sealant 22 and the sealant. The optical glue 23 uses all spacers 20, frame glue 22 and optical glue 23 to complete the curved surface bonding of the second curved transparent substrate 24 and the first curved transparent substrate 18, and maintain and fix the first curved transparent substrate 18 and the second curved surface The gap between the transparent substrates 24.

In the first embodiment, the optical glue 23 may be missing, and the same purpose can be achieved. In this way, in the step in FIG. 4, the step of forming the optical glue 23 on the inner region 26 can be omitted, so that the sealant 22 is used to surround all the spacers 20. In the step of Fig. 5, a second curved transparent substrate 24 is formed on all the spacers 20 and the sealant 22, and the sealant 22 is irradiated with ultraviolet light to harden the sealant 22 so that all the spacers 20 and the frame The glue 22 completes the curved surface bonding of the second curved transparent substrate 24 and the first curved transparent substrate 18, and maintains and fixes the gap between the first curved transparent substrate 18 and the second curved transparent substrate 24.

Please refer to FIG. 6 below and introduce the second embodiment of the curved combination module of the present invention. The difference between the second embodiment and the first embodiment is that the second embodiment further includes a sensing layer 30, which is disposed in All the spacers 20 are located between the inner region 26 of the first curved transparent substrate 18 and between the optical glue 23 and the inner region 26 of the first curved transparent substrate 18, and the sealant 22 surrounds the sensing layer 30. The sensing layer 30 can be composed of a series of transparent electrodes, so that the second embodiment of the curved combined module can be used as a curved touch sensing module, which can achieve the same purpose as the first embodiment.

Please refer to FIGS. 7 to 9 below, and introduce the manufacturing method of the second embodiment of the curved combined module of the present invention. First, as shown in Figure 7, a first curved transparent substrate 18 is provided, which has an inner region 26 and an outer region 28. The outer region 28 surrounds the inner region 26 and forms a sensing layer 30 on the inner region 26 and forms a frame. The glue 22 is on the outer area 28 to surround the sensing layer 30 with the sealant 22. Then, as shown in FIG. 8, all the spacers 20 and the optical glue 23 are uniformly formed on the sensing layer 30 and the inner region 26, so that the sealant 22 surrounds all the spacers 20 and the optical glue 23. Finally, as shown in Figure 9, a second curved transparent substrate 24 is formed on the optical glue 23, all the spacers 20 and the sealant 22, and the sealant 22 and the optical seal 23 are irradiated with ultraviolet light to harden the sealant 22 and the sealant. The optical glue 23 uses all spacers 20, frame glue 22 and optical glue 23 to complete the curved surface bonding of the second curved transparent substrate 24 and the first curved transparent substrate 18, and maintain and fix the first curved transparent substrate 18 and the second curved surface The gap between the transparent substrates 24.

Please refer to Figure 10 below to introduce the third embodiment of the curved combined module of the present invention. The third embodiment differs from the first embodiment in that the third embodiment uses liquid crystal 32 instead of the optical glue of the first embodiment. The rest of the structure is the same as the first embodiment, and will not be repeated here. In the third embodiment, all the spacers 20 and the liquid crystal 32 are uniformly arranged on the inner region 26. The sealant 22 is disposed on the outer area 28 and surrounds all the spacers 20 and the liquid crystal 32. The second curved transparent substrate 24 is provided on all the spacers 20, the sealant 22 and the liquid crystal 32, so as to complete the curved surface bonding with the first curved transparent substrate 18, and maintain and fix the first curved transparent substrate 18 and the second curved transparent substrate. The gap between the substrates 24. The third embodiment of the curved combined module can be used as a curved liquid crystal module, which can achieve the same purpose as the first embodiment.

Hereinafter, please refer to FIGS. 11 to 13 and introduce the manufacturing method of the third embodiment of the curved modular module of the present invention. First, as shown in FIG. 11, a first curved transparent substrate 18 is provided, which has an inner area 26 and an outer area 28. The outer area 28 surrounds the inner area 26 and forms a sealant 22 on the outer area 28. Next, as shown in FIG. 12, all the spacers 20 and the liquid crystal 32 are uniformly formed on the inner region 26, so that the sealant 22 surrounds all the spacers 20 and the liquid crystal 32. Finally, as shown in FIG. 13, a second curved transparent substrate 24 is formed on the liquid crystal 32, all the spacers 20, and the sealant 22, and the sealant 22 is irradiated with ultraviolet light to harden the sealant 22 so as to borrow all the spacers. 20. The sealant 22 and the liquid crystal 32 complete the curved surface bonding of the second curved transparent substrate 24 and the first curved transparent substrate 18, and maintain and fix the gap between the first curved transparent substrate 18 and the second curved transparent substrate 24.

Please refer to Figure 14 below and introduce the fourth embodiment of the curved combination module of the present invention as a liquid crystal touch module, which includes a first curved transparent substrate 34, a first sealant 36, and a The sensing layer 38, an optical glue 40, a plurality of first spacers 42 and a curved liquid crystal module 44. The curved liquid crystal module 44 includes a second curved transparent substrate 46, a second sealant 48, a liquid crystal 50, a plurality of second spacers 52 and a third curved transparent substrate 54. The first frame glue 36, the optical glue 40 and the second frame glue 48 are all ultraviolet light sensitive glues. The optical glue 40 can be liquid optical glue (LOCA). The sensing layer 38 can be composed of a series of transparent electrodes. The second curved surface is transparent. The substrate 46 and the third curved transparent substrate 54 may be glass substrates, but the invention is not limited thereto. The first curved transparent substrate 34 has a first inner area 56 and a first outer area 58, and the first outer area 58 surrounds the first inner area 56. The sensing layer 38 is disposed on the first inner region 56, and the first sealant 36 is disposed on the first outer region 58 and surrounds the sensing layer 38. All the first spacers 42 and the optical glue 40 are evenly arranged on the sensing layer 38 and the first inner region 56, each first spacer 42 has a cross-sectional diameter of 5-60 microns, and the size of all the first spacers 42 The coefficient of variation is less than or equal to 7%. The first sealant 36 is disposed on the first outer area 58 and surrounds all the first spacers 42 and the optical glue 40. The second curved transparent substrate 46 is provided on all the first spacers 42, the first sealant 36 and the optical glue 40, so as to complete the curved surface bonding with the first curved transparent substrate 34 and maintain and fix the first curved transparent substrate 34 The gap with the second curved transparent substrate 46. The second curved transparent substrate 46 has a second inner area 60 and a second outer area 62, and the second outer area 62 surrounds the second inner area 60. The second sealant 48 is disposed on the second outer area 62. All the second spacers 52 and the liquid crystal 50 are uniformly arranged on the second inner region 60, the cross-sectional diameter of each second spacer 52 is 5-60 microns, and the coefficient of variation of the size of all the second spacers 52 is less than or equal to 7 %. The second sealant 48 surrounds all the second spacers 52 and the liquid crystal 50. The third curved transparent substrate 54 is provided on all the second spacers 52, the second sealant 48 and the liquid crystal 50, so as to complete the curved surface bonding with the second curved transparent substrate 46 and maintain and fix the third curved transparent substrate 54 and The gap between the second curved transparent substrates 46. The first spacer 42 and the second spacer 52 used in the present invention are plastic particles, glass particles, or silica particles. The plastic particles are, for example, acrylic resin particles, and the glass particles are, for example, quartz particles. The silica-based fine particles are, for example, silica-based polymer (Siloxane polymer) particles. Silicone-based particles are more neat and uniform in shape, and are easy to produce stable gaps. Compared with plastic-based particles, the amount of spreading is 1/3 to 1/5. At the same time, it has the advantage of low-temperature foaming. When applied to liquid crystal panels, It has good compatibility and stability with liquid crystals, and it is not easy to shrink at low temperatures and cause gravitational problems to cause color aberration on the liquid crystal panel.

The first spacer 42 and the second spacer 52 may be bead-shaped or fibrous-shaped. Under the condition that the cross-sectional diameter is 5-60 microns, all the first spacers 42 and all the second spacers 52 have a uniform size distribution, and keep the gap between each other constant and uniform. The chemical properties of the first spacer 42 and the second spacer 52 can be kept stable even at a temperature of -40 to 200 degrees Celsius. The first spacer 42 and the second spacer 52 are also insoluble in organic solvents. The first spacer 42 and the second spacer 52 are not completely transparent and depend on the constituent materials. Since the recognition rate of the human eye is greater than 100 microns, when the cross-sectional diameter of the first spacer 42 and the second spacer 52 is controlled to be less than 100 microns, the human eye cannot distinguish the dispersed first spacer 42 and the second spacer.物52的。 52's.

The present invention provides the first spacer 42 and the second spacer 52 to control the bonding height and maintain the same height of the entire bonding surface. According to the size uniformity of the first spacer 42 and the second spacer 52 and the position between the first curved transparent substrate 18 and the second curved transparent substrate 24, the first curved transparent substrate 34 and the second curved transparent substrate 46 are determined The height of the gap with the third curved transparent substrate 54. Since the cross-sectional diameter of the first spacer 42 and the second spacer 52 is 5-60 microns, the height of the gap between the first curved transparent substrate 34 and the second curved transparent substrate 46 and the second curved transparent substrate 46 and the second curved transparent substrate 46 The height of the gap between the three-curved transparent substrate 54 is also 5-60 microns, and remains constant. Because all the first spacers 42 or all the second spacers 52 are of the same height in the micron level, they can be used in the panel industry where optical characteristics are required. Secondly, since the gap between the first curved transparent substrate 34 and the second curved transparent substrate 46 and the gap between the second curved transparent substrate 46 and the third curved transparent substrate 54 can be maintained and fixed, the overall surface height can be uniform. Flatness, and maintain the support of the center height of the first curved transparent substrate 34, the second curved transparent substrate 46, and the third curved transparent substrate 54. Therefore, it can effectively control the accuracy of the curved surface bonding height and reduce the complexity of the curved surface bonding. Difficult and suitable for curved surface bonding process.

Please refer to FIGS. 15 to 17 below, and introduce the manufacturing method of the fourth embodiment of the curved modular module of the present invention. First, as shown in FIG. 15, a first curved transparent substrate 34 is provided, which has a first inner region 56 and a first outer region 58. The first outer region 58 surrounds the first inner region 56 and forms a sensing layer 38 on On the first inner area 56, a first sealant 36 is formed on the first outer area 58, so that the first sealant 36 surrounds the sensing layer 38. Then, as shown in FIG. 16, all the first spacers 42 and the optical glue 40 are uniformly formed on the sensing layer 38 and the first inner region 56 so that the first sealant 36 surrounds all the first spacers 42 and the optical glue.胶40. Finally, as shown in FIG. 17, the curved liquid crystal module 44 manufactured as described above is provided, and the curved liquid crystal module 44 is formed on the optical glue 40, all the first spacers 42 and the second curved transparent substrate 24. A frame glue 36, and irradiate the first frame glue 36 and the optical glue 40 with ultraviolet light to harden the first frame glue 36 and the optical glue 40, so as to borrow all the first spacers 42, the first frame glue 36 and the optical glue 40 completes the curved surface bonding of the second curved transparent substrate 46 and the first curved transparent substrate 34, and maintains and fixes the gap between the first curved transparent substrate 34 and the second curved transparent substrate 46.

Please refer to Figure 18, Figure 19, Figure 20 and Figure 21. FIG. 18 takes the first embodiment of the curved composite module as an example, in which the inclination angle between the first curved transparent substrate 18 and the second curved transparent substrate 24 is 0°. The thickness of the first curved transparent substrate 18 and the second curved transparent substrate 24 are both 1 millimeter (mm), the first curved transparent substrate 18 and the second curved transparent substrate 24 are both glass substrates, and the first curved transparent substrate 18 and the second curved transparent substrate 24 are glass substrates. The gap between the two-curved transparent substrates 24 is fixed at 50 microns, and the refractive index of the optical glue 23 is 1.5-1.53. It can be seen from Figure 19 that the light exit angle of the central ray is 0° relative to the Z axis, and the maximum angle difference between the edge ray and the central ray of 0° is 0.43°. It can be seen from FIGS. 20 and 21 that the curve of the two-dimensional coordinate axis is close to linear, indicating that the left and right light paths of the first curved transparent substrate 18 and the second curved transparent substrate 24 are symmetrical.

Please refer to Figure 22, Figure 23, Figure 24 and Figure 25. Figure 22 shows a curved modular module tilted 5-10 degrees. The curved combined module includes two glass substrates 64 and 66 and an optical glue 68 located between them. The angle at which the glass substrates 64 and 66 are inclined from the right to the left is from 5° to 10°. The thickness of the glass substrates 64 and 66 is 1 millimeter (mm), the gap between the glass substrates 64 and 66 is 20-80 microns, and the refractive index of the optical glue 68 is 1.5-1.53. It can be seen from Fig. 23 that the exit angle of the central ray is 7.4° relative to the Z axis, and the maximum angle difference between the 8.78° edge ray and the central ray is 1.38°. It can be seen from Figures 24 and 25 that the curve of the two-dimensional coordinate axis is a parabola, indicating that the inclination angle of the bonding has affected the optical path performance of the glass substrates 64 and 66, and the maximum light angle deflection is 8.78°.

Please refer to Figure 22, Figure 26, Figure 27 and Figure 28. From Figure 26, it can be seen that the exit angle of the central ray is 14.8° relative to the Z axis, and the maximum angle difference between the 17.88° edge ray and the central ray is 3.08°. It can be seen from Figures 27 and 28 that the curve of the two-dimensional coordinate axis is a parabola, indicating that the inclination angle of the bonding has affected the optical path performance of the glass substrates 64 and 66, and the maximum light angle deflection is 17.88°.

In other words, the present invention uses spacers to control the bonding height of the curved surface to achieve a uniform curved surface and obtain the best optical characteristics. When the curved surface bonding height is uniform, the optical characteristics of the center and the edge of the curved surface will not cause serious light. The deflection phenomenon. However, when the curved surface is highly inclined, the optical characteristics of the center and the edge of the curved surface will be deflected and cause visual aberrations.

In summary, the present invention forms a plurality of spacers between the two-curved transparent substrates to maintain and fix the gap between the two-curved transparent substrates, so as to achieve the uniformity of the overall surface height and effectively control the bonding height of the curved surfaces. Accuracy, and reduce the difficulty of fitting complex curved surfaces. At the same time, the cross-sectional diameter of the spacer is used to reduce the amount of optical glue used, thereby reducing material costs.

The above is only a preferred embodiment of the present invention, and is not used to limit the scope of implementation of the present invention. Therefore, all the shapes, structures, characteristics and spirits described in the scope of the patent application of the present invention are equally changed and modified. , Should be included in the scope of patent application of the present invention.

10: Glass substrate 12: Glass substrate 14: Fluid optical glue 16: frame glue 18: The first curved transparent substrate 20: spacer 22: frame glue 23: Optical glue 24: Second curved transparent substrate 26: inner area 28: Outer area 30: Sensing layer 32: LCD 34: First curved transparent substrate 36: The first frame glue 38: Sensing layer 40: Optical glue 42: first spacer 44: Curved LCD module 46: Second curved transparent substrate 48: second frame glue 50: LCD 52: second spacer 54: Third curved transparent substrate 56: The first inner area 58: The first outer area 60: second inner area 62: The second outer area 64: glass substrate 66: glass substrate 68: Optical glue

Figure 1 is a cross-sectional view of the structure of a flat modular module of the prior art. Figure 2 is a structural cross-sectional view of the first embodiment of the curved modular module of the present invention. Figures 3 to 5 are cross-sectional views of the structure of each step of the first embodiment of manufacturing a curved modular module of the present invention. Figure 6 is a cross-sectional view of the second embodiment of the curved modular module of the present invention. Figures 7 to 9 are cross-sectional views of the structure of each step of the second embodiment of manufacturing a curved modular module of the present invention. Fig. 10 is a structural cross-sectional view of the third embodiment of the curved modular module of the present invention. Figures 11 to 13 are cross-sectional views of the structure of each step of the third embodiment of manufacturing a curved modular module of the present invention. Figure 14 is a cross-sectional view of the fourth embodiment of the curved modular module of the present invention. Figures 15 to 17 are cross-sectional views of the structure of each step of the fourth embodiment of manufacturing a curved modular module of the present invention. Figure 18 is a schematic diagram of the light receiving of the curved modular module of the present invention. Figure 19 is the light path diagram corresponding to Figure 18. Figure 20 is a ray fan diagram corresponding to the light in Figure 18 in the meridian direction. Figure 21 is a ray fan diagram corresponding to the light in Figure 18 in the sagittal direction. Figure 22 is a schematic diagram of the light receiving of the curved modular module tilted 5-10 degrees. Figure 23 is a diagram of the optical path of the curved modular module corresponding to a tilt of 5 degrees. Figure 24 is a ray fan diagram of the light in the meridian direction corresponding to the curved composite module inclined at 5 degrees. Figure 25 is a ray fan diagram of the light in the sagittal direction corresponding to the curved composite module inclined at 5 degrees. Figure 26 is the optical path diagram corresponding to the curved surface assembly module with a tilt of 10 degrees. Fig. 27 is a ray fan diagram corresponding to the light in the meridian direction of the curved composite module inclined at 10 degrees. Figure 28 is a ray fan diagram of the light in the sagittal direction corresponding to the curved composite module tilted 10 degrees.

18: The first curved transparent substrate

20: spacer

22: frame glue

23: Optical glue

24: Second curved transparent substrate

26: inner area

28: Outer area

Claims (10)

A curved combined module, including: A first curved transparent substrate having an inner area and an outer area, and the outer area surrounds the inner area; A plurality of spacers are uniformly arranged on the inner region, the cross-sectional diameter of each spacer is 5-60 micrometers (μm), and the coefficient of variation of the size of the spacers is less than or equal to 7%; A frame glue is arranged on the outer area and surrounds the spacers; and A second curved transparent substrate is arranged on the spacers and the sealant to thereby complete the curved surface bonding with the first curved transparent substrate and maintain and fix the first curved transparent substrate and the second curved transparent substrate The gap between. The curved composite module according to claim 1, further comprising an optical glue uniformly arranged on the inner area, the frame glue surrounds the optical glue, and the second curved transparent substrate is arranged on the optical glue, In this way, the curved surface bonding is completed with the first curved transparent substrate. The curved composite module according to claim 1, further comprising a sensing layer, which is arranged between the spacers and the inner region, and the sealant surrounds the sensing layer. The curved composite module according to claim 1, wherein the spacers are plastic-based particles, glass-based particles, or silica-based particles. The curved composite module according to claim 4, wherein the plastic particles are acrylic resin particles, the glass particles are quartz particles, and the silica particles are Siloxane polymer particles. A method for manufacturing a curved combined module includes the following steps: Provide a first curved transparent substrate, which has an inner area and an outer area, the outer area surrounds the inner area and forms a sealant on the outer area; A plurality of spacers are uniformly formed on the inner area to surround the spacers with the sealant. The cross-sectional diameter of each spacer is 5-60 micrometers (μm). The size of the spacers The coefficient of variation is less than or equal to 7%; and A second curved transparent substrate is formed on the spacers and the sealant, so as to complete the curved surface bonding with the first curved transparent substrate, and maintain and fix the first curved transparent substrate and the second curved transparent substrate. The gap between. The method for manufacturing a curved composite module according to claim 6, wherein the sealant is ultraviolet light-sensitive adhesive, and the first curved transparent substrate and the second curved transparent substrate are completed by the spacers and the sealant In the step of bonding the curved surface, the sealant is irradiated with ultraviolet light to harden the sealant, and the spacers and the sealant are used to complete the first curved transparent substrate and the second curved transparent substrate Surface fit. The method for manufacturing a curved composite module according to claim 6, wherein in the step of providing the first curved transparent substrate and forming the sealant on the outer area, the first curved transparent substrate is provided and formed A sensing layer is formed on the inner area, and the sealant is formed on the outer area so that the sealant surrounds the sensing layer, and the spacers are uniformly formed on the inner area to utilize the sealant In the step of surrounding the spacers, the spacers are uniformly formed on the sensing layer and the inner region, so that the sealant surrounds the spacers. The method for manufacturing a curved composite module according to claim 6, wherein in the step of uniformly forming the spacers on the inner region to surround the spacers with the sealant, the spacers are uniformly formed And an optical glue on the inner area to surround the spacers and the optical glue with the sealant to form the second curved transparent substrate on the spacers and the sealant to thereby interact with the first In the step of completing the curved surface bonding with a curved transparent substrate, the second curved transparent substrate is formed on the optical glue, the spacers and the sealant to thereby complete the curved surface bonding with the first curved transparent substrate . The method for manufacturing a curved modular module according to claim 6, wherein the spacers are plastic-based particles, glass-based particles, or silicon-oxygen-based particles.

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