CN217736957U

CN217736957U - Lamp effect assembly and electronic equipment

Info

Publication number: CN217736957U
Application number: CN202221969516.3U
Authority: CN
Inventors: 李志�; 金凌琳; 诸飞灵
Original assignee: Shenzhen Dangzhi Technology Co ltd
Current assignee: Shenzhen Dangzhi Technology Co ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-11-04
Anticipated expiration: 2032-07-28

Abstract

The utility model discloses a lamp effect component and electronic equipment, the lamp effect component comprises a substrate, a light guide sheet, a light emitting unit and a light reflecting unit, the light guide sheet and the light emitting unit are respectively and fixedly arranged on the substrate, and the light emitting side of the light emitting unit faces the light guide sheet; the light-emitting unit is arranged in the accommodating groove, the light-reflecting unit is arranged on one side of the base plate close to the light-guiding sheet, the light-guiding sheet is close to one side of the base plate, and/or the base plate is arranged between the light-guiding sheets. The utility model provides a problem of easy bump between luminescence unit and the leaded light piece in the subassembly when the subassembly is imitated to installation lamp.

Description

Lamp effect assembly and electronic equipment

Technical Field

The utility model relates to a light-directing structure technical field especially relates to a subassembly and electronic equipment are imitated to lamp.

Background

Most of the light-effect light guide sheets adopt a direct-guide uniform light mode or a single high-transmittance light guide piece light guide mode, and the side light guide mode is less. The direct-guide uniform light or the high-transmission light guide part is adopted for light guide, so that the influence of gaps between the light guide part and the face shell, the appearance is not attractive, the face shell is not integrated, and the influence of large occupied space on space can be caused; the adoption of side light guide can solve the problems of gap, unattractive appearance and non-unity of the face shell, but the problems that the light-emitting unit is easy to collide with the light guide sheet when being installed and the like.

The above background disclosure is only provided to aid in understanding the concepts and technical solutions of the present invention, and it does not necessarily belong to the prior art of the present patent application, and it should not be used to assess the novelty and inventive step of the present application without explicit evidence that the above content has been disclosed at the filing date of the present patent application.

SUMMERY OF THE UTILITY MODEL

The utility model provides a subassembly and electronic equipment are imitated to lamp to collision risk between luminescence unit and the leaded light piece when reducing the lamp and imitate the unit mount.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

in a first aspect, the utility model discloses a lamp effect assembly, which comprises a substrate, a light guide sheet, a light emitting unit and a light reflecting unit, wherein the light guide sheet and the light emitting unit are respectively and fixedly arranged on the substrate, and the light emitting side of the light emitting unit faces the light guide sheet; the light-emitting unit is arranged in the accommodating groove, the light-reflecting unit is arranged on one side of the base plate close to the light-guiding sheet, the light-guiding sheet is close to one side of the base plate, and/or the base plate is arranged between the light-guiding sheets.

Preferably, the side wall of each accommodating groove is of an inwardly concave arc-shaped structure.

Preferably, the light emitting unit comprises a plurality of LED lamp beads, or comprises a light source and a plurality of optical fibers.

Preferably, when the light-emitting unit comprises a plurality of LED lamp beads, the plurality of LED lamp beads are respectively and fixedly disposed on the substrate at intervals along the circumferential direction; when the light emitting unit comprises a light source and a plurality of optical fibers, the optical fibers are fixedly arranged on the substrate at intervals along the circumferential direction.

Preferably, a plurality of accommodating grooves are formed in the periphery of the light guide sheet, and when the light emitting unit comprises a plurality of LED lamp beads, the positions of the plurality of accommodating grooves correspond to the positions of the plurality of LED lamp beads one by one, so that each LED lamp bead is correspondingly located in each accommodating groove; when the light-emitting unit comprises a light source and a plurality of optical fibers, the positions of the plurality of accommodating grooves correspond to the positions of the plurality of optical fibers one to one, so that the optical fibers are correspondingly positioned in the accommodating grooves.

Preferably, the lamp effect assembly further comprises a shading ring, wherein the shading ring is fixedly arranged on the substrate, and the shading ring is sleeved on the periphery of the light guide sheet.

Preferably, a central groove is formed in the center of the light guide plate, and a reflective ring is arranged on the side wall of the central groove.

Preferably, the substrate is a circuit board, and the light emitting unit is electrically connected to the circuit board.

In a second aspect, the utility model discloses an electronic equipment, including shell and first aspect the lamp imitate the subassembly, the lamp imitate the subassembly set up in the shell, be equipped with the printing opacity region on the shell, just the position of leaded light piece with the position of printing opacity region is corresponding.

Preferably, a key is arranged on the shell, and the light-transmitting area is located at the key.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model provides a lamp effect subassembly is through seting up the storage tank in the week side of leaded light piece to make the luminescence unit be located the storage tank, combine reflection of light unit's setting, the risk that luminescence unit was touch at the edge of leaded light piece when can reducing manual assembly leaded light piece, thereby solved the problem control leaded light piece and the overall size of luminescence unit of the collision risk when can not reduce the installation among the prior art, effectively utilized the space in the lamp effect subassembly.

In a further aspect, the present invention also has the following advantages:

(1) The side wall of the accommodating groove is of an inwards concave arc-shaped structure, so that light of the light-emitting unit can be further diffused more, and the uniformity and the brightness of an effective light-equalizing area can be further enhanced.

(2) A plurality of light-emitting structures that the luminescence unit includes are respectively along the fixed setting of circumferencial direction equidistance interval on the base plate, can be so that the homogeneity in effective even light region is better.

(3) The shading ring is arranged on the peripheral side of the light guide sheet, so that light emitted by the light emitting unit can be prevented from being dispersed to a place outside the light guide sheet area, all the light emitted by the light emitting unit is reflected to form an effective light-equalizing area, and the uniformity and the brightness of the effective light-equalizing area are further enhanced.

(4) The center of the light guide sheet is provided with a central groove, the side wall of the central groove is provided with a reflection ring, and light emitted by the light emitting unit can be reflected back to the effective light-equalizing area through the reflection ring, so that the uniformity and the brightness of the effective light-equalizing area are further enhanced.

Drawings

Fig. 1 is a schematic structural diagram of a lamp effect assembly according to a first embodiment of the present invention;

fig. 2 is an exploded view of the lamp effect assembly of fig. 1;

FIG. 3 is a schematic view of the effective light-equalizing area formed by the lamp effect assembly of FIG. 1;

fig. 4 is a schematic structural diagram of an electronic device according to a second embodiment of the present invention;

FIG. 5 is a schematic diagram comparing an effective uniform light area formed by the lamp effect assembly of the first embodiment and the light emitting assembly of the prior art in an electronic device;

fig. 6 is a schematic structural diagram of a lamp effect assembly according to a third embodiment of the present invention.

Detailed Description

The embodiments of the present invention will be described in detail below. It should be emphasized that the following description is merely exemplary in nature and is not intended to limit the scope of the invention or its application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. In addition, the connection may be for either a fixed or circuit/signal communication role.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the embodiments of the present invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example one

As shown in fig. 1 and fig. 2, a first embodiment of the present invention discloses a lamp effect assembly 20, which includes a substrate 21, a light guide plate 22, a light emitting unit 23 and a light reflecting unit 24, wherein the light guide plate 22 and the light emitting unit 23 are respectively fixed on the substrate 21, the light emitting side of the light emitting unit 23 faces the light guide plate 22, a containing groove 221 is formed on the peripheral side of the light guide plate 22, and the light emitting unit 23 is located in the containing groove 221; the light reflecting unit 24 is disposed between the substrate 21 and the light guide plate 22. The light emitted from the light emitting unit 23 is diffused by the side wall of the accommodating groove 221, and then is reflected by the light reflecting unit 24 to form the effective light equalizing area 26 shown in fig. 3.

Wherein, base plate 21 adopts the circuit board, and light-emitting unit 23 includes a plurality of LED lamp pearls 231, and a plurality of LED lamp pearls 231 respectively follow circumferencial direction equidistance interval fixed the setting on base plate 21 in order to directly provide power for a plurality of LED lamp pearls 231 through the circuit board. The LED lamp beads 231 are symmetrically distributed and are laterally attached to the circuit board, the light emitting side of the LED lamp beads faces the center, and the welding side faces outwards to form a side light guide mode. The side edge of the light guide plate 22 is provided with a plurality of accommodating grooves 221 at intervals along the circumferential direction, the side walls of the accommodating grooves 221 are all of an inwardly recessed arc structure, the positions of the accommodating grooves 221 and the positions of the LED lamp beads 231 are in one-to-one correspondence so that the LED lamp beads 231 are correspondingly located in the accommodating grooves 221, that is, each LED lamp bead 231 is located in the corresponding accommodating groove 221.

In this embodiment, the light reflection unit 24 specifically uses a light reflection paper, the shape and size of the light reflection paper are the same as or similar to those of the light guide plate 22, and the light reflection paper is fixedly disposed between the substrate 21 and the light guide plate 22 to reflect the light from the plurality of LED lamp beads 231 upward to a side direction of the light guide plate 22 away from the substrate 21, so as to form the effective light equalizing region 26 shown in fig. 3. Specifically, the reflective paper may be adhered to the light guide plate 22 by a back adhesive, and then adhered to the substrate 21 by the back adhesive.

Further, the lamp effect assembly 20 of the present embodiment further includes a light shielding ring 25, the light shielding ring 25 is fixedly disposed on the substrate 21, and the light shielding ring 25 is sleeved on the peripheral side of the light guiding plate 22. Specifically, light guide plate 22, reflection unit 24 and a plurality of LED lamp beads 231 are all surrounded by shading ring 25, so that the light emitted by a plurality of LED lamp beads 231 is all reflected to form effective uniform light region 26. Wherein, shading ring 25 can adopt cyclic annular shading cotton to can paste on base plate 21 through the gum, in addition, the clearance between the internal diameter size of shading ring 25 and the week side of leaded light piece 22 is less than 0.5mm in order to play the positioning action, and the width can be 2 ~ 5mm, both convenient production does benefit to the equipment again and saves space.

In the lamp effect assembly 20 provided in this embodiment, the plurality of recessed receiving grooves 221 are formed at the peripheral side of the light guide plate 22, and the plurality of LED beads 231 are respectively and one-by-one disposed in the plurality of receiving grooves 221, so that, in combination with the arrangement of the light reflecting unit 24, the following advantages are provided:

firstly, collision prevention: the risk that the edge of the light guide sheet 22 touches the LED bead 231 during manual assembly of the light guide sheet 22 can be reduced. Compared with the light-emitting component 10 adopting the side light guide mode in the prior art, in the actual assembly process, when the circular light guide sheet 11 is attached, because no positioning is performed, at least half of the LED lamp beads 12 need to be considered, the position can be determined, if the position is not aligned, the outer circular arc has partial lever force effect, and the risk of prying off the LED lamp beads 12 exists, however, the special-shaped light guide sheet 22 in the embodiment is positioned because of the outer edge groove structure (namely, the plurality of concave accommodating grooves 221), as long as one LED lamp bead 231 is aligned with one accommodating groove 221, the rest of the LED lamp beads 231 are aligned, so that the LED lamp beads 231 can be better protected in the assembly process; in addition, leaded light piece 22 can also combine storage tank 221 to aim at LED lamp pearl 231 with the help of the shading ring 25 of outer lane, can conveniently adopt the tool location, quick accurate in batch production in-process.

Second, control size: compared with the light-emitting assembly 10 adopting the side light guide mode in the prior art, under the condition that the positions of the plurality of LED lamp beads 231 on the substrate 21 are the same as the positions of the plurality of LED lamp beads 12 on the lamp panel 13, the maximum radial size of the overall structure formed by the light guide sheet 22 and the LED lamp beads 231 in the embodiment does not need to be increased compared with the existing structure, namely, the light guide sheet 22 does not need to exceed the LED lamp beads 231 in the radial direction; or a plurality of accommodating grooves are formed on the basis of the size of the existing light guide sheet 11, so that the LED lamp beads 12 can be retracted into the accommodating grooves, the size of the structure formed by the LED lamp beads and the light guide sheet can be reduced, and the assembly space is effectively utilized.

Thirdly, enlarging the lamp effect area: because of the concave arc structure of the accommodating groove 221, the light emitted by the LED lamp beads 231 can be diffused more, so that the irradiation area (effective light-equalizing area) formed by the light emitted by the LED lamp beads 231 on the light reflecting unit 24 is larger and more uniform than the irradiation area (effective light-equalizing area) formed by the circular light guide sheet with the same maximum radial size.

In other embodiments, the substrate 21 in this embodiment may also be a non-circuit board, and the LED beads 231 fixed thereon only need to be connected to other circuit boards or power supply devices through wires to realize power supply.

In some other embodiments, the light emitting unit 23 may further include a light source and a plurality of optical fibers, the optical fibers are attached to the substrate at equal intervals along the circumferential direction, and the positions of the accommodating grooves 221 correspond to the positions of the optical fibers one to one, so that the optical fibers are correspondingly disposed in the accommodating grooves 221. One end of the optical fiber is connected to the light source, the other end is disposed in the accommodating groove 221 and faces the light guide plate 22, and the optical fiber guides light emitted from the light source to the accommodating groove 221 of the light guide plate 22.

In other embodiments, the reflective unit 24 may also be a reflective region, which may be disposed on a side of the substrate 21 close to the light guide plate 22 or on a side of the light guide plate 22 close to the substrate 21, for example, the reflective region is a bright surface molded on the substrate 21 or the light guide plate 22. The retroreflective regions are also the same or similar in shape and size to the light guide 22. In addition, light reflecting unit 24 may be a combination of at least two types of light reflecting regions provided on the side of substrate 21 close to light guide plate 22, light reflecting regions provided on the side of light guide plate 22 close to substrate 21, and light reflecting paper provided between substrate 21 and light guide plate 22.

In some embodiments, the light guide plate 22 is provided with a diffusion film (not shown) on a side away from the substrate 21, and the diffusion film is used for diffusing the light from the light reflecting unit 24 to realize a light uniformizing effect.

Example two

As shown in fig. 4, a second embodiment of the present invention discloses an electronic device (for example, a projector), which includes a housing 30 and a light effect component 20 (not shown) in the first embodiment, the light effect component 20 is disposed in the housing 30, a light transmission region 31 is disposed on the housing 30, and a position of a light guide plate 22 on the light effect component 20 corresponds to a position of the light transmission region 31.

The light-transmitting region 31 in this embodiment is an annular structure; the casing 30 is provided with a circular key 32, and an annular light-transmitting region 31 is located at the circumference of the key 32.

The light emitted by the LED beads 231 of the lamp effect assembly 20 disposed in the housing 30 is diffused through the side walls of the plurality of accommodating grooves 221 formed on the peripheral side of the light guide plate 22, and then the light from the LED beads 231 is reflected upward to the key 32 of the housing 30 through the reflective paper, the key 32 has an annular light-transmitting region 31, and the light reflected by the reflective paper passes through the light-transmitting region 31, so that the key 32 forms a lamp effect.

Light ring 25 that sets up in the lamp effect subassembly 20 surrounds leaded light piece 22, reflection of light paper and many LED lamp pearls 231 wholly, and light ring 25 still with shell 30's inside wall looks butt in fixed the setting on base plate 21's basis, can further prevent that the light in the light ring 25 from spilling on the one hand, improves the homogeneity and the luminance of side light guide effect, and on the other hand also can play the positioning action.

As shown in fig. 5, it is a schematic diagram illustrating a comparison between the effective light-equalizing region formed by the light-effect component of the first embodiment and the light-emitting component of the prior art in the electronic device of the present embodiment, and it can be seen that the effective light-equalizing region 14 formed by the circular light-guiding sheet 11 in the light-emitting component 10 of the prior art is significantly smaller than the effective light-equalizing region 26 formed by the light-guiding sheet 22 of the first embodiment of the present invention.

EXAMPLE III

As shown in fig. 6, the third embodiment of the present invention discloses a lamp effect assembly 40, including base plate 41, light guide plate 42, lighting unit 43, reflection of light unit (not shown) and shading ring 45, lighting unit 43 includes a plurality of LED lamp beads, the difference between this embodiment and embodiment one only lies in, in this embodiment, light guide plate 42 sets up a plurality of storage tanks 421 except that on week side, still set up central groove 422 at its center, and it is equipped with reflection of light ring 47 to go out at the lateral wall of central groove 422, reflection of light ring 47 can be with the light reflection of a plurality of LED lamp beads back to effective reflection of light region 48, this effective reflection of light region 48 can roughly correspond with the annular light transmission region of the button on the shell that corresponds, can further utilize light through this scheme, increase the luminous luminance of button. The structure and arrangement of other components in this embodiment are the same as those in the first embodiment, and are not described again here.

Specifically, the light reflecting ring 47 may be a bright surface injection-molded on the sidewall of the central groove 422 of the light guiding plate 42, or a light reflecting paper may be attached to the sidewall of the central groove 422, so as to reflect the light projected to the central position, that is, reflect the light to the effective light reflecting area 48 as much as possible, and increase the brightness of the annular light transmitting area on the housing. It should be noted that, in fig. 6, the small circular ring at the center of the upper surface of the light guide plate 42 is not the reflective ring 47 attached to the upper surface of the light guide plate 42, but only the thickness of the reflective ring 47 is shown.

The background section of the present invention may contain background information regarding the problems or environment of the present invention rather than describing the prior art by others. Accordingly, the inclusion in the background section is not an admission of prior art by the applicant.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific/preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. For those skilled in the art to which the invention pertains, a plurality of alternatives or modifications can be made to the described embodiments without departing from the concept of the invention, and these alternatives or modifications should be considered as belonging to the protection scope of the invention. In the description herein, references to the description of the term "one embodiment," "some embodiments," "preferred embodiments," "an example," "a specific example," or "some examples" or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction. Although the embodiments of the present invention and their advantages have been described in detail, it should be understood that various changes, substitutions and alterations can be made herein without departing from the scope of the invention as defined by the appended claims.

Claims

1. A lamp effect assembly is characterized by comprising a substrate, a light guide sheet, a light emitting unit and a light reflecting unit, wherein the light guide sheet and the light emitting unit are respectively and fixedly arranged on the substrate, and the light emitting side of the light emitting unit faces the light guide sheet; wherein, the storage tank has been seted up to the week side of leaded light piece, luminous element is located in the storage tank, reflection of light unit set up in the base plate is close to one side of leaded light piece, the leaded light piece is close to one side of base plate, and/or the base plate with between the leaded light piece.

2. The lamp effect assembly of claim 1, wherein the side wall of each receiving groove is of an inwardly concave arc-shaped configuration.

3. The lamp effect assembly of claim 1, wherein the light emitting unit comprises a plurality of LED lamp beads or comprises a light source and a plurality of optical fibers.

4. The lamp effect assembly of claim 3, wherein when the light emitting unit comprises a plurality of LED lamp beads, the plurality of LED lamp beads are respectively fixedly arranged on the substrate at intervals along a circumferential direction; when the light emitting unit comprises a light source and a plurality of optical fibers, the optical fibers are fixedly arranged on the substrate at intervals along the circumferential direction.

5. The lamp effect assembly of claim 3, wherein a plurality of accommodating grooves are formed on the periphery of the light guide plate, wherein when the light emitting unit comprises a plurality of LED lamp beads, the positions of the plurality of accommodating grooves correspond to the positions of the plurality of LED lamp beads one by one, so that each LED lamp bead is correspondingly positioned in each accommodating groove; when the light-emitting unit comprises a light source and a plurality of optical fibers, the positions of the plurality of accommodating grooves correspond to the positions of the plurality of optical fibers one to one, so that the optical fibers are correspondingly positioned in the accommodating grooves.

6. The lamp effect assembly of claim 1, further comprising a light shielding ring, wherein the light shielding ring is fixedly disposed on the substrate, and the light shielding ring is sleeved on the peripheral side of the light guiding plate.

7. The lamp effect assembly of claim 1, wherein the center of the light guide plate is provided with a central groove, and a reflective ring is provided at a side wall of the central groove.

8. The lamp assembly of claim 1, wherein the substrate is a circuit board, and the light emitting unit is electrically connected to the circuit board.

9. An electronic device, comprising a housing and the light effect assembly of any one of claims 1 to 8, wherein the light effect assembly is disposed in the housing, the housing is provided with a light-transmitting region, and the position of the light guide plate corresponds to the position of the light-transmitting region.

10. The electronic device of claim 9, wherein the housing has keys, and the light-transmissive region is located at the keys.