TWI817717B - Foldable electronic device - Google Patents

Abstract

A foldable electronic device including a first body having a side surface, a second body, a hinge module connected to the first body and the second body, a first light emitting module disposed in the first body, and a second light emitting module disposed in the second body is provided. The first body and the second body are rotated relatively to be folded or unfolded via the hinge module. The side surface is away from and faces toward the second body when the first body rotates relative to the second body to be a unfolding state. The first light emitting module generates light to project out of the first body through the side surface. The second light emitting module generates light to project out of the second body.

Description

Foldable electronic device

The invention relates to a foldable electronic device.

As technology becomes increasingly sophisticated, electronic products, such as notebook computers, are moving towards the goals of being light, thin, short, and small. Therefore, how to maximize the functionality of electronic products and have beautiful appearance is the most acceptable to the general public. It is also the goal that relevant industry players urgently need to achieve breakthrough development.

Generally speaking, laptops display information through the screen. In order to achieve publicity effects, most laptops will have a logo on an appropriate position on the screen or body for identification, and at the same time, it can also provide instructions to the user. Effect. However, in order for the logo pattern to be clearly displayed, an additional light source must be provided. However, this easily goes against the development trend of light, thin, short, and small electronic products.

Based on the above, how to provide electronic products that have the required identification and indication functions without violating the above development trends is actually a problem that those skilled in the art need to think about and solve.

The present invention provides a foldable electronic device, which has both light-emitting indication and identification functions and a light, thin and short body.

The foldable electronic device of the present invention includes a first body, a second body, a rotating shaft module, a first light-emitting module and a second light-emitting module. The first body has sides. The rotating shaft module connects the first body and the second body, so that the first body and the second body rotate relative to each other and open and close through the rotating shaft module. When the first body rotates relative to the second body and unfolds to the unfolded mode, the side faces are away from and face the second body. The first light-emitting module is disposed in the first body and generates light to project out of the first body from the side. The second light-emitting module is disposed in the second body and generates light to project out of the second body.

The foldable electronic device of the present invention includes a first body, a second body, a rotating shaft module and a first light-emitting module. The first body has sides. The rotating shaft module connects the first body and the second body, so that the first body and the second body rotate relative to each other and open and close through the rotating shaft module. When the first body rotates relative to the second body and unfolds to the unfolded state, the side faces are away from and face the second body. The first light-emitting module is disposed in the first body and generates light to project out of the first body from the side.

Based on the above, the foldable electronic device is provided with a first light-emitting module on its first body, so that when the first body is unfolded on the second body, it can generate light that passes through the side of the first body and is projected to the second body, and This provides an optical pattern projected on the second body, so that the foldable electronic device can provide functions of optical recognition and indication effects without additionally increasing the volume of the body.

Furthermore, the foldable electronic device can also be provided with a second light-emitting module in the second body to generate light and project it out of the second body. At the same time, the second light-emitting module can also have a mutually corresponding and adaptive relationship with the first light-emitting module, so as to further enrich the optical indication and identification effects of the foldable electronic device.

FIG. 1 is a schematic diagram of a foldable electronic device according to an embodiment of the present invention. FIG. 2 is a partial cross-sectional view of the foldable electronic device of FIG. 1 , and only some components that need to be explained are provided with cross-section lines to facilitate overall visual recognition. Figure 3 is a schematic diagram showing the step-by-step disassembly of the first body. At the same time, the rectangular coordinates X-Y-Z are provided to facilitate subsequent component description. Please refer to FIGS. 1 to 3 . In this embodiment, the foldable electronic device 100 , taking a notebook computer as an example, includes a first body 110 , a second body 120 , a hinge module 130 and a first light-emitting module 140 . The first body 110 has a side S1. The rotating shaft module 130 connects the first body 110 and the second body 120 so that the first body 110 and the second body 120 rotate relative to each other and open and close through the rotating shaft module 130 . When the first body 110 rotates relative to the second body 120 and unfolds to the deployment mode, the side S1 is away from and faces the second body 120 . The first light-emitting module 140 is disposed in the first body 110 and generates light to project out of the first body 110 from the side S1.

Here, the rotating shaft module 130 is a dual rotating shaft module, which includes a rotating shaft 131 with an axis X1 and a rotating shaft 132 with an axis X2, so that the first body 110, the rotating shaft module 130 and the second body 120 form a three-section interactive structure. , to achieve the requirements for the body to rotate and open, the axis X1 is parallel to the axis X2, and both are parallel to the Only a simple outline is shown.

The second body 120 of this embodiment has a top surface S2 and a keyboard KB disposed on the top surface S2, and in the unfolded state as shown in FIG. 1 , the side S1 of the first body 110 will be far away from and face the second body 120 The top surface S2 of the second body 120 is such that the light generated by the first light-emitting module 140 is projected to the top surface S2 of the second body 120 .

FIG. 4 is a partial enlarged view of the foldable electronic device of FIG. 1 . Please refer to FIGS. 2 to 4 at the same time. The foldable electronic device 100 of this embodiment also includes a display module 160 disposed in the first body 110 . The first light-emitting module 140 includes a plurality of first light-emitting elements 141 and a first light-guiding element 142. The light-emitting surface 142a of the first light-guiding element 142 forms at least part of the side S1, and in the unfolded state, the light-emitting surface 142a faces The top surface S2 of the second body 120 . Furthermore, the first body 110 includes a front cover 111 and a back cover 112 for accommodating the aforementioned display module 160 and the first light-emitting module 140, in which the first light-emitting element 141, the first light guide element 142 and the display The module 160 is substantially located on the same plane, and the first light-emitting element 141 is located between the display module 160 and the first light guide element 142, and the display surface 161 of the display module 160 and the light exit surface of the first light guide element 142 142a are different from each other and not coplanar.

FIG. 5 shows the relevant components of the foldable electronic device from another perspective. Here, the first body 110 and the second body 120 are unfolded and flattened and viewed from above. Please refer to FIG. 2 and FIG. 5 at the same time. In this embodiment, the foldable electronic device 100 also includes a flexible electrical connector CB and a control module CM. The control module CM is, for example, the motherboard of a notebook computer and its components. The processor, and the flexible electrical connector CB is, for example, a cable or FPC, and the flexible electrical connector CB is electrically connected between the control module CM and the first light-emitting element 141 of the first light-emitting module 140 . Furthermore, please refer to FIGS. 3 to 5 again. In this embodiment, the first body 110 has a first corner E1 and a second corner E2, and the first light-emitting elements 141 are arranged in a row at the first corner E1 and the second corner E2. Between E2, the side S1 of the first body 110 extends from the first corner E1 to the second corner E2, and the side S1 and the light emitting surface 142a are coplanar with each other. Based on the above, the foldable electronic device 100 can drive the first light-emitting elements 141 in various modes by controlling the module CM, so that the first light-emitting module 140 can be placed on the first body 110 when the body is in the unfolded state. Various light changes are generated between the first corner E1 and the second corner E2, and the light can also be projected to the top surface S2 of the second body 120 to form a searchlight-like concentrating effect or form an optical logo pattern. PT(Logo). This allows the foldable electronic device 100 to use the side S1 of the first body 110 as the light emitting surface without causing structural or optical interference with the display surface 161 of the display module 160 , so that the first body can be used more effectively. 110cm of interior space.

In another embodiment not shown, the first light-emitting element 141 of the first light-emitting module 140 can also serve as at least part of the light-emitting elements of the display module 160, so that the component configuration in the first body 110 can be more efficient. It is compact and conforms to the development trend of foldable electronic devices 100 having thin and light bodies.

On the other hand, FIG. 6 shows an electrical relationship diagram of related components of the foldable electronic device. Please refer to FIG. 2 , FIG. 5 and FIG. 6 again. The foldable electronic device 100 of this embodiment further includes a second light emitting module 150 , which is disposed in the second body 120 and generates light to project out of the second body 120 . The second light-emitting module 150 includes a second light-emitting element 151 and a second light-guiding element 152. The second light-emitting element 151 generates light and projects it to the top surface S2 of the second body 120 through the second light-guiding element 152. The aforementioned control module CM is electrically connected to the second light-emitting element 151 of the second light-emitting module 150 through the flexible electrical connector CB, and the first light-emitting element 141 and the second light-emitting element 151 can also be electrically connected through the flexible electrical connector CB. and are electrically connected to each other. The number of the second light-emitting elements 151 and the range of the second light-guiding element 152 are not limited here, and they can be configured as components of the first light-emitting module 140, as shown in FIG. 5 . However, in another not-shown embodiment, the second light-emitting module 150 can also be changed to a part of the range shown in FIG. 5 . In other words, please refer to FIG. 4 and FIG. 5 . The optical logo pattern PT of this embodiment can be caused by projecting and gathering light from the first light-emitting module 140 to the top surface S2 , or can be caused by the second light-emitting module 150 It projects and gathers light to the top surface S2 to meet the various needs of users.

FIG. 7 illustrates the closed state of the foldable electronic device of FIG. 1 . Please refer to Figure 7 and compare Figure 5 and Figure 2. In this embodiment, when the first body 110 is closed on the second body 120 to present the closed state shown in Figure 7, the first body 110 will cover the second body 110. The part of the body 120 also means that the first body 110 covers the part of the light-emitting surface 152a of the second light guide element 152, which is equivalent to the part of the light-emitting surface 152a being blocked by the rotation axis module 130. In other words, when the top surface S2 of the second body 120 is in the closed state, there are still partial surfaces S2a and S2b exposed to the outside, so the control module CM can also drive the second light-emitting element 151 to pass through the second light guide element 152 The corresponding optical path design produces optical patterns or light signals on the exposed local surfaces S2a and S2b.

FIG. 8 illustrates a closed state of a foldable electronic device according to another embodiment of the present invention. Please refer to FIG. 8. As mentioned above, the first light-emitting module 140 and the second light-emitting module 150 can each generate an optical logo pattern PT on the top surface S2. Therefore, when the foldable electronic device 100 is in the closed state, the second body The partial surfaces S2a and S2b of the first light-emitting module 140 can also be used to project light to the partial surfaces S2a and S2b from the part of the light-emitting surface 142a that is not blocked by the rotating shaft module 130.

In another not-shown embodiment, the foldable electronic device can also change the above-mentioned second light-emitting module 150 into a display module, so as to achieve what can be achieved in the above-mentioned Figures 2, 5, 7 and 8. function. Simply put, taking the example shown in FIG. 7 , a pair of display modules are provided on the exposed partial surfaces S2a and S2b, located on opposite sides of the rotating shaft module 130. When the foldable electronic device is in a closed state, It can have the effect of reminding and identifying users.

Various usage modes of the foldable electronic device 100 are illustrated below.

As shown in FIG. 4 , FIG. 5 and FIG. 7 , since the first light-emitting elements 141 are sequentially arranged between the first corner E1 and the second corner E2 , in a usage mode, that is, the first body 110 is relatively During the process of the second body 120 rotating and unfolding, that is, when the user is preparing to open the first body 110, when the angle between the first body 110 and the second body 120 is greater than a specific angle, the control module CM drives the first body 110. The light-emitting elements 141 are sequentially lit from the first corner E1 toward the second corner E2, and at the same time, the first light-emitting elements 141 are also driven to be sequentially lit from the second corner E2 toward the first corner E1. Furthermore, the control module CM can further drive the first light-emitting element 141 to be lit for a period of time and then turn it off. In this way, the foldable electronic device 100 can produce a visual effect similar to a marquee on its side S1.

Based on the aforementioned lighting sequence, the control module CM can further control the first light-emitting element 141 at the center to be lit and not extinguish, and through the light-condensing structure or light-condensing structure at the corresponding center position of the first light guide element 142. The condenser lens allows the light to be projected onto the second body 120 to form the aforementioned optical logo pattern PT.

On the other hand, as mentioned above, the second light-emitting module 150 exists, so in the above process, that is, when the first light-emitting element 141 is driven by the control module CM and is sequentially moved from the left and right sides of the first body 110 to the center. After lighting, the control module CM can also drive the second light-emitting module 150 to present the optical logo pattern PT on the top surface S2.

In addition, please refer to FIG. 6 again. The foldable electronic device 100 of this embodiment also includes a host system HS, such as an operating system or driver installed on a notebook computer, which is electrically connected to the control module CM. In the above-mentioned first step, The process of successively lighting up the light-emitting element 141 and generating the optical logo pattern PT is only used as a corresponding visual message when the user opens the first body 110. That is, the host system HS has not been started at this time, which is equivalent to The user then enters the wake-up mode of the foldable electronic device 100 . The visual effect produced by the first light-emitting element 141 in the wake-up mode is not limited here, and it can be adjusted accordingly according to the user's needs.

Next, as shown in FIGS. 4 and 6 , the host system HS is activated by the user pressing the button BT, which is disposed on the top surface S2 of the second body 120 and separated from the first light-emitting module 140 The rotating shaft modules 130 are opposite to each other, so at the same time or after the above-mentioned optical logo pattern PT is generated, the control module CM will further drive the first light-emitting module 140 to project light and focus on the button BT to remind the user. the effect of Here, in addition to allowing the control module CM to light up at least one first light-emitting element 141 opposite the button BT, the first light-emitting element 141 can also be further allowed to produce a flickering visual effect. What is shown in this paragraph can be regarded as the indication mode provided by the foldable electronic device 100 to the user.

Similar to the above, due to the existence of the second light-emitting module 150, the above-mentioned indication mode can also be changed to allow the control module CM to drive the second light-emitting module 150 to light up the second light-emitting element 151 at the button BT. Let the light shine around the button BT. Similarly, the control module CM can also drive the second light-emitting element 151 to flash to achieve the required indication effect.

In another wake-up mode, only the visual effect of sequentially lighting up (or lighting up and extinguishing) the first light-emitting element 141 can be provided, and the optical logo pattern can only be generated after the user presses the button BT to start the host system HS. PT is on the top surface S2 of the second body 120 .

On the other hand, the foldable electronic device 100 also includes a plurality of electronic modules (here, electronic modules EM1, EM2, and EM3 are taken as examples), which are electrically connected to the host system HS. These electronic modules EM1, EM2, and EM3 are, for example, Processor monitoring circuit, battery, memory, network chip...etc. Accordingly, the host system HS can drive at least one of the first light-emitting module 140 and the second light-emitting module 150 through the control module CM to reflect the status of these electronic modules EM1, EM2, and EM3, that is, these The status of the electronic modules EM1, EM2, and EM3 is informed to the user by light signals or optical patterns.

Similarly, the software installed on the foldable electronic device 100 can also let the user know the relevant information of the software through the above-mentioned driving means.

On the other hand, because this embodiment includes the first light-emitting module 140 provided in the first body 110 and the second light-emitting module 150 provided in the second body 120, the host system HS can also be driven by the control module CM. And the first light-emitting module 140 and the second light-emitting module 150 are matched with each other. For example, while the first light-emitting module 140 is driven to be constantly bright, the second light-emitting module 150 is also driven to flash.

In another embodiment, at least one of the first light-emitting module 140 and the second light-emitting module 150 includes a plurality of light-emitting elements with different wavelengths. In other words, the first light-emitting module 140 and the second light-emitting module 150 can Corresponding information is reflected through light of different colors, in which the first light-emitting element 141 and the second light-emitting element 151 can use light-emitting elements of complementary colors. Based on the above, the physical properties (wavelength, luminous frequency, brightness, etc.) of the light generated by the first light-emitting module 140 and the second light-emitting module 150 can be used as characteristics to adjust or change to provide diverse visual atmospheres and Visual indication effect.

FIG. 9 shows a partial enlarged view of the first light-emitting module of FIG. 5 . Please refer to FIG. 9 . In this embodiment, the first light guide element 142 can also be divided into multiple sections T ₁ , T ₂ , T ₃ ...T _n (n is positive) along the arrangement axis of the first light emitting element 141 integer), each section T ₁ , T ₂ , T ₃ ...T _n corresponds to at least one first light-emitting element 141 , so the control module CM can be activated separately along with the sections T ₁ , T ₂ , T ₃ ...T _n , turn off or flash at least one first light-emitting element 141 corresponding to these sections T ₁ , T ₂ , T ₃ ...T _n . The same approach is also applicable to the second light-emitting module 150 and its second light-emitting element 151 .

To sum up, in the above-mentioned embodiments of the present invention, the foldable electronic device is provided with a first light-emitting module on its first body, so that when the first body is unfolded to the second body, light can be generated to pass through the first body. The side of the body is projected to the second body, and the optical pattern projected on the second body is provided accordingly, so that the foldable electronic device can also provide optical recognition, indication effects, and Features that reflect the current state of foldable electronic devices.

Furthermore, the foldable electronic device can also be provided with a second light-emitting module in the second body to generate light and project it out of the second body. At the same time, the second light-emitting module can also have a mutually corresponding and adaptive relationship with the first light-emitting module, so as to further enrich the optical indication and identification effects of the foldable electronic device.

100: foldable electronic device 110: first body 111: front cover 112: back cover 120: second body 130: rotating shaft module 131, 132: rotating shaft 140: first light emitting module 141: first light emitting element 142: first A light guide element 142a: light emitting surface 150: second light emitting module 151: second light emitting element 152: second light guide element 152a: light emitting surface 160: display module 161: display surface BT: button CB: flexible electrical connection Part CM: Control module E1: First corner E2: Second corner EM1, EM2, EM3: Electronic module HS: Host system KB: Keyboard PT: Optical logo pattern S1: Side S2: Top surface S2a, S2b: Partial Surface T ₁ , T ₂ , T ₃ ...T _n : Sections X1, X2: Axis XYZ: Cartesian coordinates

FIG. 1 is a schematic diagram of a foldable electronic device according to an embodiment of the present invention. FIG. 2 is a partial cross-sectional view of the foldable electronic device of FIG. 1 . Figure 3 is a schematic diagram showing the step-by-step disassembly of the first body. FIG. 4 is a partial enlarged view of the foldable electronic device of FIG. 1 . FIG. 5 shows related components of the foldable electronic device from another perspective. FIG. 6 shows an electrical relationship diagram of related components of the foldable electronic device. FIG. 7 illustrates the closed state of the foldable electronic device of FIG. 1 . FIG. 8 illustrates a closed state of a foldable electronic device according to another embodiment of the present invention. FIG. 9 shows a partial enlarged view of the first light-emitting module of FIG. 5 .

100: Foldable electronic devices

110:First body

120:Second body

130: Rotary axis module

KB: Keyboard

S1: Side

S2: Top surface

X1, X2: axis

X-Y-Z: Cartesian coordinates

Claims (32)

A foldable electronic device includes: a first body with one side; a second body; and a rotating shaft module connecting the first body and the second body so that the first body and the second body can pass through The rotating shaft modules rotate relative to each other and open and close. When the first body rotates relative to the second body and unfolds to an unfolded state, the side is away from and faces the second body; a first light-emitting module is provided and a second light-emitting module disposed in the second body and generating light and projecting out of the second body. The foldable electronic device according to claim 1, wherein the first light-emitting module includes a plurality of first light-emitting elements and a first light-guiding element, and a light-emitting surface of the first light-guiding element forms at least part of the side surface. , and in the unfolded state, the light-emitting surface faces the second body. The foldable electronic device as claimed in claim 2, wherein the first body has a first corner and a second corner, and the first light-emitting elements are arranged along a row between the first corner and the second corner, The side surface extends from the first corner to the second corner, and the side surface and the light emitting surface are coplanar with each other. The foldable electronic device of claim 2 further includes a display module disposed on the first body, and the first light-emitting elements are located between the display module and the first light guide element. The foldable electronic device according to claim 2 further includes a display module disposed on the first body, and a display surface of the display module and the light-emitting surface are not coplanar with each other. The foldable electronic device as claimed in claim 2, wherein when the first body rotates relative to the second body and closes to a closed state, the first body covers part of the second body, and the first body covers part of the second body. A light-emitting element generates light and projects it through a part of the light-emitting surface to another part of the second body that is not covered by the first body. As for the foldable electronic device according to claim 6, in the closed state, the light-emitting surface is partially blocked by the hinge module. The foldable electronic device of claim 1, wherein the second light-emitting module includes at least a second light-emitting element and a second light-guiding element, and the second light-emitting element generates light and projects it to A top surface of the second body. As for the foldable electronic device according to claim 8, when the first body rotates relative to the second body and is closed to a closed state, the first body covers a light emitting surface of the second light guide element. Partially. The foldable electronic device as claimed in claim 1, wherein the second light-emitting module is at least one display module, configured on the second body, and the first body is rotated relative to the second body and closed to a In the closed state, the first body covers part of the second body and exposes the display module. The foldable electronic device of claim 10, wherein the second light-emitting module is a pair of display modules, disposed on the second body and located on opposite sides of the rotating shaft module. The foldable electronic device of claim 1 further includes a flexible electrical connector electrically connected between the first light-emitting module and the second light-emitting module. The foldable electronic device of claim 1 further includes a control module electrically connected to the first light-emitting module and the second light-emitting module. The foldable electronic device according to claim 13, wherein the first body and the second body are also rotated relative to each other and closed to a closed state through the shaft module, and the first light-emitting module includes a plurality of first light-emitting modules. A light-emitting element is arranged along a row between a first corner and a second corner of the first body. During the transition from the closed state to the unfolded state, when the first body is relative to the second When the angle of the body is greater than a specific angle, the control module drives the first light-emitting elements to be lit sequentially from the first corner toward the second corner, and drives the first light-emitting elements from the second corner toward The first corners are lit sequentially. The foldable electronic device of claim 14, wherein the control module also drives the first light-emitting elements to be turned off after being lit for a period of time. As for the foldable electronic device of claim 14, the first light-emitting module further includes a first light guide element located between the first corner and the second corner. When at least one of the third light guide elements is located in the center of the column, When a light-emitting element is lit, it should be at least The light generated by a first light-emitting element is projected to the second body through the center of the first light-guiding element to form a pattern. The foldable electronic device of claim 14, wherein when at least one first light-emitting element located in the center of the column is lit, the second light-emitting module forms a pattern at the center of the second body, the The pattern and the at least one first light-emitting element located in the center of the column are opposite to each other across the rotation axis module. The foldable electronic device of claim 14 further includes a host system electrically connected to the control module. During the process of transitioning from the closed state to the unfolded state, the host system is not started. The foldable electronic device according to claim 13, wherein the first body and the second body are also rotated relative to each other and closed to a closed state through the shaft module, and the first light-emitting module includes a plurality of first light-emitting modules. A light-emitting element is arranged along a row between a first corner and a second corner of the first body. In the unfolded state, the control module drives at least one of the first light-emitting elements to be lit. The foldable electronic device according to claim 19, further comprising a button disposed on the second body, the partially lit at least one first light-emitting element and the button facing each other across the hinge module. The foldable electronic device of claim 20, wherein the control module drives the illuminated at least one first light-emitting element to flash. The foldable electronic device as claimed in claim 13, wherein the first body and the second body are rotated relative to each other and closed to a closed state through the shaft module, and the foldable electronic device further includes a button, disposed on the second body, The second light-emitting module includes a plurality of second light-emitting elements. In the unfolded state, the control module drives at least one second light-emitting element to be lit, and the at least one second light-emitting element that is lit is Generates light and projects it next to the button. The foldable electronic device of claim 22, wherein the control module drives the illuminated at least one second light-emitting element to flash. The foldable electronic device as claimed in claim 20 or 22, wherein the button is electrically connected to a host system of the foldable electronic device, the host system is electrically connected to the control module, and the user presses the button to activate the The host system drives the first light-emitting module to project a pattern on the second body through the control module. The foldable electronic device as claimed in claim 20 or 22, wherein the button is electrically connected to a host system of the foldable electronic device, the host system is electrically connected to the control module, and the user presses the button to activate the The host system drives the second light-emitting module to project a pattern on the second body through the control module. The foldable electronic device of claim 13 further includes a host system and a plurality of electronic modules. The host system is electrically connected to the control module and the electronic modules, wherein the host system passes through the control module. At least one of the first light-emitting module and the second light-emitting module is driven to reflect the status of the electronic modules. The foldable electronic device of claim 13 further includes a host system and a plurality of software installed on the host system. The host system is electrically connected to the control module, and the host system drives the control module through the control module. At least one of the first light-emitting module and the second light-emitting module flashes to reflect the status of the software. The foldable electronic device of claim 26 or 27, wherein at least one of the first light-emitting module and the second light-emitting module includes a plurality of light-emitting elements with different wavelengths and is electrically connected to the control module. The foldable electronic device of claim 28, wherein the light-emitting elements activated by the control module are of complementary colors. The foldable electronic device as claimed in claim 26 or 27, wherein the first light-emitting module includes a plurality of first light-emitting elements and a first light-guiding element, and the first light-guiding element is along the edges of the first light-emitting elements. The arrangement axial area is divided into multiple sections, and each section corresponds to at least one first light-emitting element. The control module is electrically connected to the first light-emitting elements and turns on, off, or flashes the corresponding ones according to the sections. The at least one first light-emitting element of the section. The foldable electronic device as claimed in claim 26 or 27, wherein the second light-emitting module includes a plurality of second light-emitting elements and a second light-guiding element, and the second light-guiding element is along the edges of the second light-emitting elements. The arrangement axial area is divided into multiple sections, each of which corresponds to at least one second light-emitting element. The control module is electrically connected to the second light-emitting elements and turns on, off or flashes the corresponding ones according to the sections. The at least one second light-emitting element of the segment. A foldable electronic device includes: a first body with one side; a second body; and a rotating shaft module connecting the first body and the second body so that the first body and the second body can pass through The rotating shaft modules rotate relative to each other to open and close, and in the first When the body rotates relative to the second body and unfolds to an unfolded state, the side is away from and faces the second body; and a first light-emitting module is disposed in the first body and generates light projected from the side The first body.

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