TWI468754B - Photoelectric module - Google Patents

Description

Photoelectric module

The present invention relates to a photoelectric module, and more particularly to an optoelectronic module in which an optical element is disposed on a light path to enhance light coupling efficiency.

In the field of optical communication, the signal transmitting end needs to convert the electrical signal into an optical signal by using a photoelectric module as a signal transmitting component, and the receiving end of the signal needs to receive the optical module as a signal receiving component. The incoming optical signal is converted into a telecommunication signal. Therefore, the photoelectric module is one of the indispensable main components in the field of optical communication.

1 is a schematic cross-sectional view of a conventional photovoltaic module. Referring to FIG. 1 , the conventional photovoltaic module 10 includes an upper substrate 11 , a lower substrate 12 , a photoelectric element 13 , and a light guiding element 14 . The photovoltaic element 13 and the light guiding element 14 are disposed between the upper substrate 11 and the lower substrate 12, wherein the upper substrate 11 has a reflecting surface 11a. The photo-electric element 13 includes a light-emitting element and a light-receiving element. When the photovoltaic element 13 is a light-emitting element, the light signal emitted from the photovoltaic element 13 is transmitted to the light guiding element 14 via the reflecting surface 11a. When the photovoltaic element 13 is a photosensitive element, the optical signal emitted from the light guiding element 14 is transmitted to the photovoltaic element 13 via the reflecting surface 11a. Since the optical signal generates light-loss during transmission, for example, when it is reflected by the reflective surface 11a, the optical coupling efficiency of the photovoltaic module 10 is low. For example, in a 25 Gbps optical system, the light source emitting the signal has a light-emitting aperture of 15 μm, and the receiving area of the receiving signal has a receiving area of 30 μm. According to the simulation, the optical path length (OPL) In the 161 micron photovoltaic module 10, the optical coupling efficiency is only 11.75% (ie, Tx*Rx = 47% * 25% = 11.75%). Therefore, how to improve the optical coupling efficiency of the photovoltaic module has been one of the problems to be solved in the related art field.

The invention provides an optoelectronic module which can improve the optical coupling efficiency to improve the operational performance of the optoelectronic module.

An embodiment of the present invention provides a photovoltaic module including a first substrate, at least one light guiding element, at least one photovoltaic element, and an optical element. The first substrate has a reflective surface. The light guiding element is disposed on the first substrate, wherein the light guiding element has a first end surface, and the light guiding element is configured to transmit an optical signal. The optoelectronic component has a second end face, wherein the second end face of the optoelectronic component is used to emit or receive an optical signal, and the reflective surface is used to reflect the optical signal. The optical component is disposed on the optical path of the optical signal, wherein the optical component is filled in the space defined by the second end surface of the photovoltaic component, the reflective surface, and the first end surface of the light guiding component, and the optical component covers the reflective surface, first The end face and the second end face.

In an embodiment of the present invention, the optoelectronic module further includes a second substrate, the first substrate is bonded to the first substrate, wherein the first substrate has at least one first alignment portion, and the second substrate has at least one second alignment portion. And the first alignment portion is substantially aligned with the second alignment portion.

In an embodiment of the invention, the photoelectric element and the light guiding element are located between the first substrate and the second substrate.

In an embodiment of the invention, the second substrate further includes a recess, and the photoelectric element is disposed on a bottom surface of the recess.

An embodiment of the present invention further provides a photovoltaic module including a first substrate, at least one light guiding component, a carrier portion, at least one photovoltaic component, and an optical component. The first substrate has a reflective surface. The light guiding component is disposed on the first substrate, wherein the light guiding component is configured to transmit an optical signal. The carrying portion is disposed between the first substrate and the light guiding element for limiting the light guiding element. The photoelectric element is used to emit or receive an optical signal, and the reflective surface is used to reflect the optical signal. The optical component is disposed on the optical path of the optical signal, wherein the optical component includes a lens portion and an extension portion. The lens portion is located on the optical path of the optical signal. The extension is coupled to the lens portion, wherein the extension is located between the carrier and the light guiding element.

In an embodiment of the invention, the lens portion covers the reflective surface and a first end surface of the light guiding element.

In an embodiment of the invention, the lens portion has an optical curved surface for collecting optical signals from the photovoltaic element or from the light guiding element.

In an embodiment of the invention, the carrying portion includes at least one groove, and the light guiding element is disposed in the groove.

In an embodiment of the present invention, the optoelectronic module further includes a second substrate, the first substrate is bonded to the first substrate, wherein the first substrate has at least one first alignment portion, and the second substrate has at least one second alignment portion, and The first alignment portion is substantially aligned with the second alignment portion.

In an embodiment of the invention, the photoelectric element and the light guiding element are located between the first substrate and the second substrate.

An embodiment of the present invention further provides a photovoltaic module including a first substrate, a second substrate, at least one light guiding element, at least one photovoltaic element, and an optical element. The first substrate has a reflective surface. The second substrate is bonded to the first substrate. The light guiding component is disposed between the first substrate and the second substrate, wherein the light guiding component is configured to transmit an optical signal. The photoelectric element is used to emit or receive an optical signal, and the reflective surface is used to reflect the optical signal. The optical component is disposed on the optical path of the optical signal, wherein the optical component includes a lens portion and an extension portion. The lens portion is located on the optical path of the optical signal, and the extension portion is coupled to the lens portion, wherein the extension portion is sandwiched by the first substrate and the second substrate.

In an embodiment of the invention, the first substrate has at least one first alignment portion, the second substrate has at least one second alignment portion, and the first alignment portion is substantially aligned with the second alignment portion. And the extension is sandwiched by the first alignment portion and the second alignment portion.

Based on the above, the optical module of the embodiment of the present invention has an optical component disposed on the optical path of the optical signal. Since the refractive index of the optical component is higher than the refractive index of the air, the optical signal passing through the optical component can be concentrated to reduce the transmission. The optical loss caused thereby, therefore, the optical module of the embodiment of the present invention can have high optical coupling efficiency.

The above described features and advantages of the present invention will be more apparent from the following description.

2A is a cross-sectional view of a photovoltaic module in accordance with an embodiment of the present invention. Referring to FIG. 2A , the photovoltaic module 100 of the present embodiment includes a first substrate 110 , at least one light guiding component 120 , at least one photovoltaic component 130 , and an optical component 140 . The first substrate 110 has a reflective surface 112. The light guiding component 120 is disposed on the first substrate 110, wherein the light guiding component 120 has a first end surface 122, and the light guiding component 120 is configured to transmit an optical signal. The optoelectronic component 130 has a second end face 132, wherein the second end face 132 of the optoelectronic component 130 is used to emit or receive an optical signal, and the reflective surface 112 is used to reflect the optical signal. In the present embodiment, the photovoltaic element 130 can be bonded to the first substrate 110. The optical component 140 is disposed on the optical path of the optical signal. The optical component 140 is filled in the space defined by the second end surface 132 of the optoelectronic component 130, the reflective surface 112, and the first end surface 122 of the light guiding component 120, and is optical. The element 140 covers the reflective surface 112, the first end surface 122, and the second end surface 132.

In this embodiment, the optical component 140 can be cured by a thermosetting adhesive, an ultraviolet curing adhesive, a humidity hardening adhesive or a mixed hardening adhesive (AB adhesive), and the refractive index of the optical component 140 is higher than that of the air. The characteristics of the rate converge the optical signals to increase the optical coupling efficiency and are coupled to the photovoltaic elements 130 through the optical elements 140 to increase the stability of the photovoltaic elements 130. Further, the photovoltaic element 130 of the present embodiment may include a photosensitive element and a light emitting element. The illuminating element can be a Vertical Cavity Surface Emitting Laser (VCSEL) (also known as a surface-emitting laser) or other type of illuminating source for emitting an optical signal. The photosensitive element may be a photo-diode for receiving an optical signal from the light guiding element 120. However, the types of the light-emitting element and the photosensitive element of the present invention are not limited thereto.

2B is a schematic view of the first substrate of the photovoltaic module of FIG. 2A. Referring to FIG. 2B, in the embodiment, the number of the light guiding elements 120 may be multiple, the plurality of trenches 114 are disposed on the first substrate 110, and the light guiding component 120 is, for example, an optical fiber, and the light guiding component 120 is disposed. In the trench 114, a glue such as an ultraviolet glue, a moisture hardening adhesive or a thermosetting adhesive may be filled into the gap between the light guiding member 120 and the groove 114 to fix the light guiding member 120 in the groove 114.

2C is a cross-sectional view of a photovoltaic module in accordance with another embodiment of the present invention. Referring to FIG. 2C, the main difference between the photovoltaic module 100' of the present embodiment and the photovoltaic module 100 of FIG. 2A is that the photovoltaic module 100' further includes a second substrate 150 (ie, the lower substrate shown in FIG. 2C). Bonding with the first substrate 110 (ie, the upper substrate shown in FIG. 2C), wherein the first substrate 110 has at least one first alignment portion 116, and the second substrate 150 has at least one second alignment portion 152, and The pair of bit portions 116 are substantially aligned with the second alignment portion 152. The optical module 100 ′ can precisely position the first substrate 110 and the second substrate 150 through the first alignment portion 116 and the second alignment portion 152 to simplify the packaging process of the optical module 100 ′. In this embodiment, the first alignment portion 116 is an alignment protrusion, and the second alignment portion 152 is an alignment indentation. However, the types of the first alignment portion 116 and the second alignment portion 152 are not limited thereto, as long as the two can be matched with each other. The photo-electric component 130 and the light-guiding component 120 are located between the first substrate 110 and the second substrate 150. Specifically, the second substrate 150 further includes a recess 154, and the photo-element 130 is disposed on the bottom surface of the recess 154. In addition, the photovoltaic element 130 of the photovoltaic module 100' of FIG. 2C is bonded to the second substrate 150, and the photovoltaic element 130 of the photovoltaic module 100 of FIG. 2A is bonded to the first substrate 110.

When the optical component 140 of the present embodiment is fabricated, the first substrate 110 and the second substrate 150 may be stacked first, and then the second end surface 132 of the photovoltaic element 130, the reflective surface 112, and the first end surface 122 of the light guiding component 120. The defined space is filled with an appropriate amount of glue so that the optical path of the optical signal is distributed with the glue (ie, the optical element 140). Since the refractive index of the optical element 140 is higher than the refractive index of the air, the optical signal transmitted between the photovoltaic element 140 and the light guiding element 120 can be concentrated, thereby increasing the optical coupling efficiency of the photovoltaic module 100'.

It should be noted that, in the production of the optical component 140 of the present embodiment, the adhesive material may be coated around the photovoltaic component 130, and then the first substrate 110 and the second substrate 150 may be laminated, and then formed after the colloid is cured. Optical element 140.

3A is a cross-sectional view of a photovoltaic module in accordance with another embodiment of the present invention, and FIG. 3B is a schematic view of the first substrate of the photovoltaic module of FIG. 3A. 3A and 3B, the photovoltaic module 200 of the present embodiment includes a first substrate 210, at least one light guiding element 220, a carrying portion 260, at least one photovoltaic element 230, and an optical element 240. The first substrate 210 has a reflective surface 212. The light guiding component 220 is disposed on the first substrate 210, wherein the light guiding component 220 is configured to transmit an optical signal, and the carrying portion 260 (eg, a trench) is disposed between the first substrate 210 and the light guiding component 220. The light guiding element 220 is limited. The photoelectric component 230 is configured to emit or receive an optical signal, and the reflective surface 212 is configured to reflect the optical signal. The optical component 240 is disposed on the optical path of the optical signal. The optical component 240 includes a lens portion 242 and an extending portion 244. The lens portion 242 is located on the optical path of the optical signal, and the extending portion 244 is coupled to the lens portion 242 and extends. The portion 244 is located between the carrier portion 260 and the light guiding element 220.

In the present embodiment, the lens portion 242 covers the reflective surface 212 and a first end surface 222 of the light guiding element 220, but the lens portion 242 is not in contact with the photovoltaic element 230. In the photovoltaic module 200 of the present embodiment, since the lens portion 242 has an optical curved surface (the convex lens in this embodiment), and the refractive index of the optical element 240 is higher than the refractive index of the air, it is transmitted to the photovoltaic element 230 and the light guide. The optical signals between the components 220 can be aggregated. The optical component 240 of the present embodiment can be fabricated by means of mold injection molding, and the material of the optical component 240 is, for example, a thermosetting adhesive, an ultraviolet curing adhesive, a humidity hardening adhesive, a mixed hardening adhesive (AB adhesive) or the like. It should be noted that the lens portion 242 of the optical element 240 has at least one optical surface, and the optical surface may be a convex optical surface, a concave optical surface, a spherical surface, an aspheric surface, or the like.

3C is a cross-sectional view of a photovoltaic module in accordance with another embodiment of the present invention. Referring to FIG. 3C, the difference between the photovoltaic module 200' of the present embodiment and the photovoltaic module 200 of FIG. 3A is that the photovoltaic module 200' further includes a second substrate 250 bonded to the first substrate 210, wherein the first substrate 210 has at least one first alignment portion 216, the second substrate 250 has at least one second alignment portion 252, and the first alignment portion 216 is substantially aligned with the second alignment portion 252. In this embodiment, the first alignment portion 216 is a registration bump, and the second alignment portion 252 is a registration groove, but the types of the first alignment portion 216 and the second alignment portion 252 are not limit. In addition, the photovoltaic element 230 and the light guiding element 220 are located between the first substrate 210 and the second substrate 250.

When the optical component 240 of the embodiment is fabricated, the light guide component 220 may be placed on the first substrate 210, and then a glass cover (transparent mold) having a lens structure may be disposed on the first substrate 210, and then, After the glue is injected between the glass cover and the first substrate 210, the optical element 240 is completed after the glue is cured. In this embodiment, the optical component 240 includes a lens portion 242 and an extension portion 244. The lens portion 242 is located on the optical path of the optical signal, and the extension portion 244 is coupled to the lens portion 242, and the extension portion 244 is located at the light guiding member 220. Between the first substrate 210 and the first substrate 210.

In FIG. 3C, optoelectronic component 230 is a illuminating component (eg, a vertical cavity surface illuminating laser), and optical component 240 has a convex optical surface that faces optoelectronic component 230. 3D is another schematic cross-sectional view of the photovoltaic module of FIG. 3C. In FIG. 3D, photocell 230 is a photosensitive element (eg, a photodiode) and optical element 240 has a concave optical surface that faces optoelectronic component 230.

4A is a cross-sectional view of a photovoltaic module in accordance with another embodiment of the present invention. Referring to FIG. 4A , the photovoltaic module 300 of the present embodiment includes a first substrate 310 , at least one light guiding component 320 , at least one photovoltaic component 330 , an optical component 340 , and a second substrate 350 . The first substrate 310 has a reflective surface 312. The light guiding element 320 is disposed between the first substrate 310 and the second substrate 350, and the light guiding element 320 is configured to transmit an optical signal. The photoelectric component 330 is configured to emit or receive an optical signal, and the reflective surface 312 is configured to reflect the optical signal. The optical component 340 is disposed on the optical path of the optical signal. The optical component 340 includes a lens portion 342 and an extension portion 344. The lens portion 342 is located on the optical path of the optical signal, and the extending portion 344 is connected to the lens portion 342.

The first substrate 310 has at least one first alignment portion 316, and the second substrate 350 has at least one second alignment portion 352. The first alignment portion 316 is substantially aligned with the second alignment portion 352 , and the shape of the extension portion 344 corresponds to the first alignment portion 316 and the second alignment portion 352 such that the extension portion 344 is the first substrate 310 The first alignment portion 316 is sandwiched by the second alignment portion 352 of the second substrate 350. 4B is a schematic view of the first substrate of the photovoltaic module of FIG. 4A. Referring to FIG. 4B, in the embodiment, the number of the light guiding elements 120 may be multiple, the plurality of trenches 314 are disposed on the first substrate 310, and the light guiding elements 320 are, for example, optical fibers, and the light guiding elements 320 are Placed in the groove 314, a glue such as an ultraviolet glue, a humidity hardening glue or a thermosetting glue can be filled into the gap between the light guiding element 320 and the groove 314 to fix the light guiding element 320 to the groove. 314.

In this embodiment, the optical component 340 can be firstly fabricated by plastic injection. The lens portion 342 of the optical component 340 has at least one optical surface, and the optical surface can be a convex optical surface, a concave optical surface, a spherical surface, or an aspheric surface. Etc., the shape of the optical surface is not limited to the above. The fabricated optical component 340 can be accurately placed on the second substrate 350 by using a die attaching machine, and the optical component can be sandwiched by the first substrate 310 and the second substrate 350. Since the optical component 340 of the present embodiment can be mass-produced by means of plastic injection, the cost of the photovoltaic module 300 can be reduced. In addition, in the present embodiment, the optical element 340 is a plate body disposed on the optical path of the photo-electric elements 330 such that the optical signals emitted from the photo-electric elements 330 can be concentrated through the optical element 340. In other embodiments, an optical component may be separately disposed on the optical path of each of the optoelectronic components. The optical signals transmitted by the different optoelectronic components are concentrated through different optical components. Of course, the number and types of optical components are not To this end, as long as the optical signals emitted by the photovoltaic elements can be concentrated by the optical elements.

The photovoltaic element 330 of FIG. 4A is exemplified by a light-emitting element (for example, a vertical cavity surface illuminating laser), since the refractive index of the optical element 340 is higher than the refractive index of the air, and the lens portion 342 of the optical element 340 has a reflective surface 312. The convex optical surface, so that the optical signals transmitted between the photovoltaic element 230 and the light guiding element 220 can be concentrated, thereby improving the optical coupling efficiency of the photovoltaic module 300. The optical surface of the lens portion may be a convex surface on both sides or a lens portion 342 having a light-incident surface as shown in FIG. 4A and a light-emitting surface being convex. The optical surface of the lens portion 342 is not limited thereto, as long as it can be concentrated and transmitted to the photoelectric The optical signal between the component 230 and the light guiding component 220 may improve the optical coupling efficiency. Of course, the optical component 340 can also be as shown in FIG. 4C, and FIG. 4C is another schematic cross-sectional view of the photovoltaic module of FIG. 4A. The photocell 330 of FIG. 4C is exemplified by a photosensitive element (for example, a photodiode). In FIG. 4C, the lens portion 342 of the optical component 340 has a concave optical surface facing the optoelectronic component 330 for transmission to the optoelectronic component 230 and the guide. The optical signals between the optical elements 220 can be concentrated.

Referring to FIG. 4A, the optoelectronic module 300 of the present embodiment is provided with an optical component 340 having a minimum radius of curvature of 300 micrometers, a maximum chamfer angle of 23°, a lens diameter of 250 micrometers, and a reflection index of 1.633. On the path, it has been experimentally found that the optical coupling efficiency of the photovoltaic module 300 can be increased to 47.45%. Compared with the conventional photovoltaic module in which the optical element is not disposed on the optical path (the optical coupling efficiency is 11.75%), the optical coupling efficiency of the photovoltaic module 300 of the present embodiment can be greatly improved.

4D is a cross-sectional view of a photovoltaic module in accordance with another embodiment of the present invention. Referring to FIG. 4D, the difference between the optoelectronic module 300' of the present embodiment and the optoelectronic module 300 of FIG. 4A is that the optical component 340 of the photo-module 300' of FIG. 4D further includes a first substrate 310 and a second substrate. Colloid 346 between 350. The photo-module 300' of FIG. 4D achieves better optical coupling efficiency by concentrating the lens portion 342 of the optical signal and the colloid 346 having a higher refractive index than the air so that the optical signal can be concentrated.

In summary, the optical module of the embodiment of the present invention can be applied to a miniaturized package structure of an optical high-definition multimedia interface (Optical HDMI) or an optical optical transceiver (AOC Transceiver). . By arranging the optical elements in the optical path of the optical signals of the optical module, since the refractive index of the optical elements is higher than the refractive index of the air, the optical signals passing through the optical elements can be concentrated to reduce the ratio of the optical signals failing to reach the reflecting surface. Therefore, the optical module of the present invention has high optical coupling efficiency. In addition, the optical module transmits the first alignment portion and the second alignment portion to precisely position the first substrate and the second substrate, thereby simplifying the packaging process of the optical module.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the invention, and any one of ordinary skill in the art can make some modifications and refinements without departing from the spirit and scope of the invention. The scope of the invention is defined by the scope of the appended claims.

10‧‧‧Knowledge photoelectric modules

11‧‧‧Upper substrate

11a‧‧‧reflecting surface

12‧‧‧ Lower substrate

13‧‧‧Optoelectronic components

14‧‧‧Light guiding elements

100, 100', 200, 200', 300, 300'‧‧‧ photoelectric modules

110, 210, 310‧‧‧ first substrate

112, 212, 312‧‧ ‧ reflective surface

114, 354‧‧‧ trench

116, 216, 316‧ ‧ the first counter

120, 220, 320‧‧‧ Light guiding components

122, 222‧‧‧ first end face

130, 230, 330‧‧‧ photoelectric components

132‧‧‧second end face

140, 240, 340‧‧‧ optical components

150, 250, 350‧‧‧ second substrate

152, 252, 352‧‧‧ second counter

154‧‧‧ recess

260‧‧‧ Carrying Department

242, 342‧‧‧ lens section

244, 344‧‧ ‧ extensions

346‧‧‧colloid

1 is a schematic cross-sectional view of a conventional photovoltaic module.

2A is a cross-sectional view of a photovoltaic module in accordance with an embodiment of the present invention.

2B is a schematic view of the first substrate of the photovoltaic module of FIG. 2A.

2C is a cross-sectional view of a photovoltaic module in accordance with another embodiment of the present invention.

3A is a cross-sectional view of a photovoltaic module in accordance with another embodiment of the present invention.

3B is a schematic view of the first substrate of the photovoltaic module of FIG. 3A.

3C is a cross-sectional view of a photovoltaic module in accordance with another embodiment of the present invention.

3D is another schematic cross-sectional view of the photovoltaic module of FIG. 3C.

4A is a cross-sectional view of a photovoltaic module in accordance with another embodiment of the present invention.

4B is a schematic view of the first substrate of the photovoltaic module of FIG. 4A.

4C is another schematic cross-sectional view of the photovoltaic module of FIG. 4A.

4D is a cross-sectional view of a photovoltaic module in accordance with another embodiment of the present invention.

100'. . . Photoelectric module

110. . . First substrate

112. . . Reflective surface

116. . . First alignment

120. . . Light guiding element

122. . . First end face

130. . . Optoelectronic component

132. . . Second end face

140. . . Optical element

150. . . Second substrate

152. . . Second alignment

154. . . Concave

Claims (11)

An optoelectronic module includes: a first substrate having a reflective surface; at least one light guiding component disposed on the first substrate, wherein the light guiding component has a first end surface, and the light guiding component is configured to transmit An optical component; the at least one optoelectronic component having a second end face, wherein the second end face of the optoelectronic component is configured to emit or receive the optical signal, and the reflective surface is configured to reflect the optical signal; and an optical component is configured In the light path of the optical signal, wherein the optical component is filled in the space defined by the second end surface of the photoelectric component, the reflective surface, and the first end surface of the light guiding component, and the optical component covers The reflective surface, the first end surface, and the second end surface. The photovoltaic module of claim 1, further comprising a second substrate, the first substrate, wherein the first substrate has at least one first alignment portion, and the second substrate has at least a second a aligning portion, and the first aligning portion is substantially aligned with the second aligning portion. The optoelectronic module of claim 2, wherein the optoelectronic component and the light guiding component are located between the first substrate and the second substrate. The photovoltaic module of claim 3, wherein the second substrate further comprises a recess, and the photoelectric element is disposed on a bottom surface of the recess. An optoelectronic module includes: a first substrate having a reflective surface; at least one light guiding component disposed on the first substrate, wherein the light guiding component is configured to transmit an optical signal; a light-bearing component is disposed between the first substrate and the light guiding component for limiting the light guiding component; at least one photovoltaic component is configured to emit or receive the optical signal, and the reflective surface is configured to reflect the optical signal And an optical component disposed on the optical path of the optical signal, wherein the optical component comprises: a lens portion disposed on the optical path of the optical signal, wherein the lens portion covers the reflective surface and the light guiding component a first end face; and an extension portion coupled to the lens portion, wherein the extension portion is located between the carrier portion and the light guiding element. The optoelectronic module of claim 5, wherein the lens portion has an optical curved surface to concentrate the optical signal from the optoelectronic component or from the light guiding component. The photovoltaic module of claim 5, wherein the carrying portion comprises at least one groove, and the light guiding element is disposed in the groove. The photovoltaic module of claim 5, further comprising a second substrate, the first substrate, wherein the first substrate has at least one first alignment portion, and the second substrate has at least a second a aligning portion, and the first aligning portion is substantially aligned with the second aligning portion. The photovoltaic module of claim 8, wherein the photovoltaic element and the light guiding element are located between the first substrate and the second substrate. An optoelectronic module includes: a first substrate having a reflective surface; a second substrate is bonded to the first substrate; at least one light guiding element is disposed between the first substrate and the second substrate, wherein the light guiding element is configured to transmit an optical signal; at least one photoelectric component is used The optical signal is emitted or received, and the reflective surface is configured to reflect the optical signal; and an optical component is disposed on the optical path of the optical signal, wherein the optical component comprises: a lens portion located at the optical signal An extension portion is connected to the lens portion, wherein the extension portion is sandwiched by the first substrate and the second substrate; and a glue is filled between the first substrate and the second substrate, And covering at least the reflective surface and a first end surface of the light guiding element. The photovoltaic module of claim 10, wherein the first substrate has at least one first alignment portion, and the second substrate has at least one second alignment portion, the first alignment portion being substantially The second alignment portion is aligned, and the extension portion is sandwiched by the first alignment portion and the second alignment portion.