CN115468150A - Electronic device with light indication function - Google Patents

Abstract

An electronic device with an optical indication function. The electronic device comprises a device shell, a circuit board, a light guide ring and a plurality of light absorbing pieces; the device shell comprises a shell groove and a supporting plate, wherein the supporting plate is formed at the bottom of the shell groove; the circuit board is arranged in the groove of the shell, wherein the circuit board comprises a first circuit board surface and a plurality of first light sources, the first light sources are arranged on the first circuit board surface, and the first light sources provide first light rays; the light guide ring is arranged in the device shell and extends out of the device shell from the shell groove, wherein the light guide ring is provided with a light inlet edge and a light outlet edge, and first light enters the light guide ring from the light inlet edge and is emitted out through the light outlet edge; the light absorbing member is supported by the supporting plate and corresponds to the light incident edge. The electronic device with the light indication function of the invention can prevent the light rays of the reflecting layer from directly entering the light guide ring, thereby eliminating the condition of uneven brightness on the light guide ring, improving the visual impression of a user and avoiding the condition of mixed light.

Description

Electronic device with light indicating function

technical field

The invention relates to an electronic device, in particular to an electronic device with light indicating function.

Background technique

Electronic door locks generally have a light indication function for users to find the electronic door lock in dim light, and can also indicate different states such as locked/unlocked. In the known technology, the light inside the casing of the electronic door lock is guided by a light guide member such as a light guide ring, and then passes out of the casing of the electronic door lock. However, the user often observes uneven brightness on the light guide ring at a specific angle, which affects the user's visual perception.

Therefore, it is necessary to provide an electronic device with light indicating function to solve the above problems.

Contents of the invention

The embodiment of the present invention is to provide an electronic device with a light indication function in order to solve the problems of the known technologies. absorbing elements). The device casing includes a casing groove and a support plate, wherein the support plate is formed at the bottom of the casing groove. The circuit board is arranged in the groove of the housing, wherein the circuit board includes a first circuit board surface and a plurality of first light sources, the first light sources are arranged on the first circuit board surface, and the first light sources A first light is provided. The light guide ring is arranged on the device housing and extends from the housing groove to the outside of the device housing, wherein the light guide ring has a light incident edge and a light exit edge, and the first light enters the device from the light incident edge The light guide ring, and emit through the edge of the light. The light absorbing elements are supported by the support plate and correspond to the light incident edge.

In one embodiment, the light incident edge is at least partially located between the light absorbing elements and the circuit board.

In one embodiment, the device casing includes an outer surface of the casing and an annular rib formed on the outer surface of the casing, and the light-emitting edge abuts against the annular rib.

In one embodiment, the electronic device further includes an interface decorative plate, the interface decorative plate covers the circuit board, and the light emitting edge surrounds the interface decorative plate.

In one embodiment, the light incident edge includes a plurality of recesses and a plurality of protrusions, the recesses and the protrusions are arranged at intervals, the first light sources correspond to the recesses, and the light absorbing members correspond to the recesses .

In one embodiment, each recess has a first recess side and a second recess side, an angle is formed between the first recess side and the second recess side, and the included angle is between 100° degrees to 120 degrees.

In one embodiment, the electronic device further includes a reflective layer, and each first light source is at least partially located between the reflective layer and the circuit board.

In one embodiment, the first light sources are arranged in a ring shape, and the first light sources emit the first light toward a central position of the housing groove.

In one embodiment, the electronic device further includes an interface decorative plate and a button light guide plate, wherein the interface decorative plate covers the circuit board, the interface decorative plate includes a key area, and the circuit board includes a second circuit board Surface and a plurality of second light sources, the second light sources are arranged on the surface of the second circuit board, the surface of the second circuit board is opposite to the surface of the first circuit board, the button light guide plate is arranged between the button area and the circuit board Meanwhile, the second light sources are directed toward the key light guide plate and provide a second light, and the second light enters the key light guide plate, and provides illumination from the key light guide plate to the key area.

In one embodiment, the electronic device further includes a first light-shielding ring, the first light-shielding ring is disposed on the surface of the second circuit board, and the first light-shielding ring separates the key light guide plate and the light guide ring.

In one embodiment, the electronic device further includes at least one third light source, a light guide element, and a light-transmitting decorative strip. The third light source provides a third light, and the third light passes through the light guide element and is emitted through the light-transmitting decorative strip.

In one embodiment, the electronic device further includes a second light shielding ring, wherein the third light source is disposed on the surface of the first circuit board, and the second light shielding ring surrounds the third light source.

In one embodiment, the support plate has a support plate through hole, a first support plate surface and a second support plate surface, the first support plate surface faces the circuit board, the second support plate surface and the first support plate surface The surface of a support plate is opposite, the third light source corresponds to the through hole of the support plate, and the light guide element is arranged on the surface of the second support plate and corresponds to the through hole of the support plate.

In the embodiment of the present invention, since the light-absorbing member corresponds to the light incident edge of the light guide ring, the light from the reflective layer will not directly enter the light guide ring, thereby eliminating the uneven brightness on the light guide ring and improving the user's visibility. visual perception. In addition, the first light and the second light are separated by the first light-shielding ring, so that light mixing can be avoided. The first light and the third light are also separated by the second shading ring and the support plate, which also avoids light mixing.

Description of drawings

FIG. 1 shows a perspective view of an electronic device with a light indication function according to an embodiment of the present invention.

FIG. 2 shows an exploded view of the main structure of the electronic device with light indicating function according to the embodiment of the present invention.

FIG. 3A shows a partial structure of an electronic device according to an embodiment of the present invention.

FIG. 3B shows a cross-sectional view of an electronic device according to an embodiment of the present invention.

FIG. 4 shows a light guide ring according to another embodiment of the present invention.

FIG. 5 shows the detailed structure of the key light guide plate of the embodiment of the present invention.

FIG. 6 shows another cross-sectional view of the electronic device according to the embodiment of the present invention. Description of main component symbols:

E Electronics

1 Device housing

11 Housing groove

12 support plate

121 First support plate surface

122 Second support plate surface

123 Support plate through hole

13 Shell outer surface

131 circular rib

132 Housing Slotted

2 circuit boards

201 First circuit board surface

202 Second circuit board surface

3. 3' light guide ring

31 Light incident edge

311, 311' recess

311a Side of the first recess

311b Side of the second recess

312, 312' convex

32 light edge

41 Absorber

42 reflective layer

51 First light source

52 Second light source

53 third light source

61 interface trim

611 Keypad

62 button light guide plate

63 light guide element

64 translucent trim

71 First Shading Ring

72 Second shade ring

L1 first ray

L2 Second Ray

L3 third ray

θ included angle

detailed description

FIG. 1 shows a perspective view of an electronic device with a light indication function according to an embodiment of the present invention. FIG. 2 shows an exploded view of the main structure of the electronic device with light indicating function according to the embodiment of the present invention. Referring to FIG. 1 and FIG. 2 together, the electronic device E of the embodiment of the present invention includes a device casing 1 , a circuit board 2 , a light guide ring 3 and a plurality of light absorbing elements 41 . The device casing 1 includes a casing groove 11 and a support plate 12 , wherein the support plate 12 is formed at the bottom of the casing groove 11 . Wherein, the electronic device may be a wireless communication device or a wireless remote control device, but not limited thereto.

FIG. 3A shows a partial structure of an electronic device according to an embodiment of the present invention. FIG. 3B shows a cross-sectional view of an electronic device according to an embodiment of the present invention. With reference to FIG. 2 , FIG. 3A and FIG. 3B , the circuit board 2 is disposed in the groove 11 of the housing, wherein the circuit board 2 includes a first circuit board surface 201 and a plurality of first light sources 51 , the first A light source 51 is disposed on the surface 201 of the first circuit board, and the first light sources 51 provide a first light L1. The light guide ring 3 is arranged on the device housing 1 and extends from the housing groove 11 to the outside of the device housing 1, wherein the light guide ring 3 has a light incident edge 31 and a light exit edge 32, the first light L1 enters the light guide ring 3 from the light incident edge 31 and exits through the light exit edge 32 . The light absorbing elements 41 are supported by the support plate 12 and correspond to the light incident edge 31 .

Referring to FIG. 3B , in one embodiment, the light incident edge 31 is at least partially located between the light absorbing elements 41 and the circuit board 2 .

3B, in one embodiment, the device casing 1 includes a casing outer surface 13 and an annular rib 131, the annular rib 131 is formed on the casing outer surface 13, and the light-emitting edge 32 abuts against the annular rib. Rib 131.

Referring to FIG. 3B , in one embodiment, the electronic device further includes an interface decorative plate 61 covering the circuit board 2 , and the light-emitting edge 32 surrounds the interface decorative plate 61 .

Referring to FIG. 2 and FIG. 3A , in one embodiment, the light incident edge 31 includes a plurality of concave parts 311 and a plurality of convex parts 312, the concave parts 311 and the convex parts 312 are arranged at intervals from each other, and the first light sources 51 corresponds to the recesses 311, and the light absorbing members 41 correspond to the recesses 311. Specifically, the first light sources 51 are located inside the recesses 311 , and the light absorbing elements 41 are located below the recesses 311 .

Referring to FIG. 3A , in one embodiment, each recess 311 has a first recess side 311a and a second recess side 311b, and the first recess side 311a and the second recess side 311b form a There is an included angle θ, and the included angle θ is between 100° and 120°.

Referring to FIG. 2 , FIG. 3A , and FIG. 3B , in an embodiment, the electronic device further includes a reflective layer 42 , and each first light source 51 is at least partially located between the reflective layer 42 and the circuit board 2 . In an embodiment, the light-absorbing elements 41 and the light-reflecting layer 42 can be disposed on the support plate 12 . In another embodiment, the light-absorbing elements 41 can be ink coated on the light-reflecting layer 42 , which can also provide light-absorbing effects. The above disclosure does not limit the present invention.

Referring to FIG. 2, FIG. 3A, and FIG. 3B, in one embodiment, the first light sources 51 are arranged in a ring, and the first light sources 51 emit the first light L1 towards a central position of the housing groove 11. (That is, it emits toward a direction away from the light guide ring 3). The first light rays L1 enter the light incident edge 31 in a relatively uniform manner after multiple reflections and scattering between the circuit board 2 and the support plate 12 , and exit through the light exit edge 32 .

FIG. 4 shows a light guide ring according to another embodiment of the present invention. Referring to FIG. 4 , in this embodiment, the concave portion 311 ′ and the convex portion 312 ′ of the light guide ring 3 ′ are arc-shaped.

After painstaking research, the applicant found that the main reason for the uneven brightness (bright spot) on the known light guide ring is that the known reflective layer corresponds to the light incident edge of the light guide ring, and the user observes the light reflected by the light reflective layer at a specific angle. And the light that directly enters the light guide ring, so the brighter bright spots are observed. In the embodiment of the present invention, the light-absorbing member corresponds to the light-incident edge of the light-guiding ring, thereby greatly reducing the light reflected by the light-reflecting layer and directly entering the light-guiding ring, thereby eliminating uneven brightness on the light-guiding ring.

FIG. 5 shows the detailed structure of the key light guide plate of the embodiment of the present invention. Referring to FIG. 2 and FIG. 5 , in an embodiment, the electronic device further includes a button light guide plate 62, wherein the interface trim plate 61 covers the circuit board 2, the interface trim plate 61 includes a button area 611, the The circuit board 2 includes a second circuit board surface 202 and a plurality of second light sources 52, the second light sources 52 are arranged on the second circuit board surface 202, and the second circuit board 202 surface is opposite to the first circuit board surface 201, the key light guide plate 62 is arranged between the key area 611 and the circuit board 2, the second light sources 52 face the key light guide plate 62 and provide a second light L2, and the second light L2 enters the key guide The light plate 62 is used to provide illumination from the key light guide plate 62 to the key area 611 .

Referring to FIG. 5 , in one embodiment, the electronic device further includes a first light-shielding ring 71 , the first light-shielding ring 71 is arranged on the surface 202 of the second circuit board, and the first light-shielding ring 71 separates the button light guide plate 62 And the light guide ring 3.

FIG. 6 shows another cross-sectional view of the electronic device according to the embodiment of the present invention. With reference to FIG. 2 , FIG. 3A and FIG. 6 , in one embodiment, the electronic device E further includes at least one third light source 53 , a light guide element 63 and a light-transmitting decorative strip 64 , and the device housing 1 includes a The casing slot 132, the light-transmitting decorative strip 64 is set in the casing slot 132, the third light source 53 provides a third light L3, the third light L3 passes through the light guide element 63, and passes through the transparent The light trim strip 64 is emitted.

Referring to FIG. 2 , FIG. 3A and FIG. 6 , in one embodiment, the electronic device further includes a second light-shielding ring 72 , wherein the third light source 53 is arranged on the surface 201 of the first circuit board, and the second light-shielding ring 72 A ring 72 surrounds the third light source 53 .

6, in one embodiment, the support plate 12 has a support plate through hole 123, a first support plate surface 121 and a second support plate surface 122, the first support plate surface 121 faces the circuit board 2 , the second support plate surface 122 is opposite to the first support plate surface 121, the third light source 53 corresponds to the support plate through hole 123, and the light guide element 63 is arranged on the second support plate surface 122 and corresponds to the support plate Through hole 123 . In this embodiment, the light guide element 63 is disposed on the surface 122 of the second support plate in a locking manner. The light guide element 63 is partially inserted into the through hole 123 of the support plate.

In the embodiment of the present invention, since the light-absorbing member corresponds to the light incident edge of the light guide ring, the light from the reflective layer will not directly enter the light guide ring, thereby eliminating the uneven brightness on the light guide ring and improving the user's visibility. visual perception. In addition, the first light and the second light are separated by the first light-shielding ring, so that light mixing can be avoided. The first light and the third light are also separated by the second shading ring and the support plate, which also avoids light mixing.

Although the present invention has been disclosed above with specific preferred embodiments, it is not intended to limit the present invention, and any person skilled in the art can still make some changes without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention should be defined by the scope of the appended claims.

Claims (13)

1. An electronic device having an optical indication function, the electronic device comprising:

the device shell comprises a shell groove and a supporting plate, wherein the supporting plate is formed at the bottom of the shell groove;

the circuit board is arranged in the shell groove and comprises a first circuit board surface and a plurality of first light sources, the first light sources are arranged on the first circuit board surface, and the first light sources provide first light;

a light guide ring, which is arranged in the device shell and extends out of the device shell from the shell groove, wherein the light guide ring is provided with a light inlet edge and a light outlet edge, and the first light enters the light guide ring from the light inlet edge and is emitted out through the light outlet edge; and

and the light absorbing pieces are supported by the supporting plate and correspond to the light inlet edge.

2. The electronic device with light indication function according to claim 1, wherein the light incident edge is at least partially located between the light absorbers and the circuit board.

3. The electronic device with light indication function according to claim 1, wherein the device housing includes a housing outer surface and an annular rib formed on the housing outer surface, the light-emitting edge abutting against the annular rib.

4. The electronic device with light indication function as claimed in claim 3, further comprising an interface decoration plate covering the circuit board, the light exit edge surrounding the interface decoration plate.

5. The electronic device with light indication function according to claim 1, wherein the light incident edge comprises a plurality of concave portions and a plurality of convex portions, the concave portions and the convex portions are arranged at intervals, the first light sources correspond to the concave portions, and the light absorbing members correspond to the concave portions.

6. The electronic device with light indication function according to claim 5, wherein each of the concave portions has a first concave portion side and a second concave portion side, and an included angle is formed between the first concave portion side and the second concave portion side, and the included angle is between 100 degrees and 120 degrees.

7. The electronic device with light indication function according to claim 1, further comprising a reflective layer, wherein each of the first light sources is at least partially disposed between the reflective layer and the circuit board.

8. The electronic device with light indication function as claimed in claim 7, wherein the first light sources are arranged in a ring shape, and the first light sources emit the first light toward a central position of the housing groove.

9. The electronic device with light indication function according to claim 1, further comprising an interface decoration board and a key light guide plate, wherein the interface decoration board covers the circuit board, the interface decoration board comprises a key area, the circuit board comprises a second circuit board surface and a plurality of second light sources, the second light sources are disposed on the second circuit board surface, the second circuit board surface is opposite to the first circuit board surface, the key light guide plate is disposed between the key area and the circuit board, the second light sources face the key light guide plate and provide a second light, the second light enters the key light guide plate and provides illumination from the key light guide plate to the key area.

10. The electronic device with light indication function as claimed in claim 9, further comprising a first light-shielding ring disposed on the surface of the second circuit board, the first light-shielding ring separating the key light guide plate and the light guide ring.

11. The electronic device according to claim 1, further comprising at least a third light source, a light guide element and a transparent decoration strip, wherein the housing of the device includes a housing slot, the transparent decoration strip is disposed in the housing slot, the third light source provides a third light, and the third light passes through the light guide element and exits through the transparent decoration strip.

12. The electronic device with light indication function according to claim 11, further comprising a second light-shielding ring, wherein the third light source is disposed on the first circuit board surface, and the second light-shielding ring surrounds the third light source.

13. The electronic device with light indication function of claim 12, wherein the supporting board has a supporting board through hole, a first supporting board surface facing the circuit board, and a second supporting board surface opposite to the first supporting board surface, the third light source corresponds to the supporting board through hole, and the light guide element is disposed on the second supporting board surface and corresponds to the supporting board through hole.

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