CN211575022U - Light-transmitting module and display equipment - Google Patents

Light-transmitting module and display equipment Download PDF

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Publication number
CN211575022U
CN211575022U CN201922233300.5U CN201922233300U CN211575022U CN 211575022 U CN211575022 U CN 211575022U CN 201922233300 U CN201922233300 U CN 201922233300U CN 211575022 U CN211575022 U CN 211575022U
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Prior art keywords
light
guide plate
circuit board
point
light transmission
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CN201922233300.5U
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Chinese (zh)
Inventor
彭建森
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Shanghai Wentai Information Technology Co Ltd
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Shanghai Wentai Information Technology Co Ltd
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Abstract

The embodiment of the utility model provides a printing opacity module and display device relates to and shows technical field. This printing opacity module includes structure, diffusion piece, light guide plate, reflector plate and luminous, is provided with light-transmitting opening on the structure, and luminous is used for launching light, and the reflector plate is used for the reflection of light, and diffusion piece, light guide plate and reflector plate stack gradually the setting for make light follow reflector plate, light guide plate and diffusion piece in proper order and transmit to light-transmitting opening, light-transmitting opening is used for supplying light to jet out. The light-transmitting module and the display device can convert the point light source into the area light source, so that light transmission is uniform, and local shadows are avoided. Moreover, the light-transmitting module has the characteristic of simple structure.

Description

Light-transmitting module and display equipment
Technical Field
The utility model relates to a show technical field, particularly, relate to a printing opacity module and display device.
Background
The existing common electronic product lighting scheme is as follows: light emitted by the indicating lamp is guided through the conductor, so that transparent or semitransparent local areas are transparent, and the requirement of product light transmission is met. However, the scheme easily causes the problems of uneven light transmission of local luminous points, local shadows and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a printing opacity module and display device, it can convert the pointolite into the area source to make the printing opacity even, avoided local shadow. Moreover, the light-transmitting module has the characteristic of simple structure.
The embodiment of the utility model is realized like this:
in a first aspect, an embodiment provides a light transmission module, including structure, diffusion piece, light guide plate, reflector plate and light-emitting component, be provided with light transmission port on the structure, light-emitting component is used for launching light, the reflector plate is used for reflecting light, the diffusion piece the light guide plate with the reflector plate stacks gradually the setting, is used for making light follow in proper order the reflector plate the light guide plate with the diffusion piece transmits extremely the light transmission port, the light transmission port is used for supplying light jets out.
In an optional embodiment, the light-transmitting module further includes a circuit board, the light-emitting element is disposed on the circuit board and electrically connected to the circuit board, and the circuit board and the reflective sheet are stacked.
In an alternative embodiment, the light emitting member includes a first point light source and a second point light source, both of which are electrically connected to the circuit board, and the reflective sheet is located between the first point light source and the second point light source.
In an alternative embodiment, the circuit board is bonded to the reflective sheet.
In an alternative embodiment, the diffusion sheet is bonded to the light guide plate; and/or, the light guide plate is bonded with the reflecting sheet.
In an optional embodiment, the light-transmitting module further includes a light-transmitting body, the light-transmitting body is disposed at the light-transmitting opening, and the light-transmitting body is used for irradiating the light.
In an alternative embodiment, the light-transmitting module further includes a light-shielding film, the structural member has a first side and a second side opposite to each other, the first side is close to the diffusion sheet, the light-transmitting opening penetrates through the first side and the second side, and the light-shielding film is disposed on the first side and extends to the light-transmitting body.
In an alternative embodiment, the thickness of the light emitting member is less than or equal to the sum of the thicknesses of the reflective sheet and the light guide plate.
In a second aspect, an embodiment provides a display device, including the light-transmissive module according to any one of the foregoing embodiments.
In an alternative embodiment, the display device further comprises a housing, the structural member being disposed to the housing.
The embodiment of the utility model provides a beneficial effect is: the light-emitting component is used for emitting light, and this light is the multi-beam light through the reflector plate reflection, loops through light guide plate and diffusion piece again for the pointolite that the light-emitting component sent converts the area source, and this area source jets out from the printing opacity mouth on the structure, can make the light that jets out more even, has avoided the appearance of local shadow, and this printing opacity module can convert the pointolite into the area source, thereby makes the printing opacity even, has avoided local shadow. Moreover, the light-transmitting module has the characteristic of simple structure.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view illustrating a principle of a light-transmitting module according to an embodiment of the present invention;
fig. 2 is an exploded schematic view of a light-transmitting module according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a light-transmitting module according to an embodiment of the present invention.
Icon: 100-a light-transmitting module; 110-a structural member; 112-light-transmitting opening; 120-a diffusion sheet; 130-a light guide plate; 140-a reflector sheet; 150-a light emitting member; 151-first point light source; 152-a second point light source; 160-a circuit board; 170-a light transmissive body; 180-light shielding film.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 3, an embodiment of the present invention provides a light transmission module 100, which can be used in electronic products with light transmission requirements, such as mobile phones, computers, pen phones, smart speakers, tablets, portable wearable devices, and the like.
The light transmission module 100 can convert a point light source into a surface light source, so that light transmission is uniform, and local shadows are avoided. Moreover, the light-transmitting module 100 has a simple structure.
Meanwhile, the light-transmitting module 100 can be applied to display equipment which has light-transmitting requirements and can be a mobile phone, a computer, an intelligent sound box and the like.
In the embodiment of the present invention, the light transmission module 100 includes a structural member 110, a diffusion sheet 120, a light guide plate 130, a reflective sheet 140 and a light emitting member 150, the structural member 110 is provided with a light transmission opening 112, the light emitting member 150 is used for emitting light, the reflective sheet 140 is used for reflecting light, the diffusion sheet 120, the light guide plate 130 and the reflective sheet 140 are sequentially stacked and arranged, so that light is transmitted to the light transmission opening 112 along the reflective sheet 140, the light guide plate 130 and the diffusion sheet 120 in sequence, and the light transmission opening 112 is used for emitting light.
It should be noted that, in the embodiment of the present invention, the light-emitting member 150 is used for emitting light, the light is reflected by the reflection sheet 140 to be multi-beam light, and then sequentially passes through the light guide plate 130 and the diffusion sheet 120, so that the point light source emitted by the light-emitting member 150 is converted into a surface light source, the surface light source is emitted from the light-transmitting opening 112 on the structural member 110, the emitted light can be more uniform, the occurrence of local shadows is avoided, the light-transmitting module 100 can convert the point light source into a surface light source, so that the light transmission is uniform, and the local shadows are avoided. Moreover, the light-transmitting module 100 has a simple structure.
It should be noted that, in order to match the light and thin design of the display device, the light emitting member 150 is disposed at the side surfaces of the reflective sheet 140 and the light guide plate 130, so as to reduce the thickness occupied by the light emitting member 150.
In an alternative embodiment, the light-transmitting module 100 may further include a circuit board 160, the light-emitting element 150 is disposed on the circuit board 160 and electrically connected to the circuit board 160, and the circuit board 160 and the reflective sheet 140 are stacked.
The circuit board 160 may be a flexible circuit board 160, a printed circuit board 160, or the like, and the circuit board 160 is used to control the operation state of the light emitting member 150. The operation state of the light emitting member 150 may be on or off, and the power of the light emitting member 150, etc. That is, the circuit board 160 may control only the light emitting element 150 to be turned on or off, or may control the brightness of the light emitting element 150 when turned on. The embodiment of the present invention is not limited to the specific type of the circuit board 160.
Further, the circuit board 160 may be bonded to the reflective sheet 140. Of course, the invention is not limited thereto, and the circuit board 160 may be engaged with or contacted with the reflective sheet 140 in other embodiments of the invention. When the circuit board 160 is adhered to the reflective sheet 140, an adhesive, such as a water adhesive, may be applied therebetween. In order to control the thickness of the circuit board 160 and the reflective sheet 140 during the bonding process, the thickness of the adhesive between the two can be within 0.025 mm, which is beneficial to the light-transmissive module 100 and the light-emitting display device.
Alternatively, the thickness of the circuit board 160 may be set at about 0.1 mm. Of course, in other embodiments, the thickness of the circuit board 160 may be set according to actual design requirements.
In an alternative embodiment, the light emitting member 150 may include a first point light source 151 and a second point light source 152, the first point light source 151 and the second point light source 152 are electrically connected to the circuit board 160, and the reflective sheet 140 is positioned between the first point light source 151 and the second point light source 152.
The first point light source 151 and the second point light source 152 may be both LEDs. It should be understood that, in combination with the above-mentioned technical solution of providing the circuit board 160, the first point light source 151 and the second point light source 152 are both electrically connected with the circuit board 160.
Of course, the number of the first point light sources 151 and the second point light sources 152 may not be limited to one, and may be two, three, or the like. In the embodiment of the present invention, the number of the first point light sources 151 and the second point light sources 152 is not particularly limited. The number of the first point light sources 151 and the second point light sources 152 is related to the size of the light transmission opening 112 formed on the structural member 110, and for better light transmission effect, the larger the size of the light transmission opening 112 is, the larger the number of the first point light sources 151 and the second point light sources 152 can be.
When the number of the first point light sources 151 and the second point light sources 152 is greater than one, the gap between two adjacent first point light sources 151 and two adjacent second point light sources 152 may be flexibly set, and the distance between any two adjacent first point light sources 151 may be equal, the distance between any two adjacent second point light sources 152 may be equal, or other relationships may be used.
Meanwhile, it should also be noted that the numbers of the first point light sources 151 and the second point light sources 152 do not correspond to each other, that is, in different embodiments, the number of the first point light sources 151 may be greater than, equal to, or less than the number of the second point light sources 152. It should be understood that the number of the first point light sources 151 and the second point light sources 152 is related to the size and the shape of the light transmission opening 112, and the number of the first point light sources 151 and the second point light sources 152 and the distance therebetween can be flexibly set according to actual requirements.
Alternatively, the diffusion sheet 120 may be bonded to the light guide plate 130; and/or, the light guide plate 130 may be adhered to the reflective sheet 140. That is, the diffusion sheet 120 and the light guide plate 130 may be bonded, and the light guide plate 130 and the reflection sheet 140 may be connected by bonding.
When the diffusion sheet 120 and the light guide plate 130 are bonded to each other, an adhesive may be applied therebetween. Similar to the above-mentioned bonding between the circuit board 160 and the reflective sheet 140, in order to control the thickness of the light-transmitting member, the thickness of the adhesive between the diffusion sheet 120 and the light guide plate 130 may be controlled within a range of 0.025 mm.
Similarly, when the light guide plate 130 and the reflective sheet 140 are bonded to each other, an adhesive may be applied therebetween. Similarly to the above-mentioned bonding between the circuit board 160 and the reflective sheet 140, in order to control the thickness of the light transmissive member, the thickness of the adhesive between the light guide plate 130 and the reflective sheet 140 may be controlled within a range of 0.025 mm.
In an alternative embodiment, the thickness of the light emitting member 150 may be less than or equal to the sum of the thicknesses of the reflective sheet 140 and the light guide plate 130. That is, the height of the light emitting member 150 does not exceed the height of the light guide plate 130, so that more light emitted from the light emitting member 150 is incident from the reflective sheet 140.
In an optional embodiment, the light-transmissive module 100 may further include a light-transmissive body 170, where the light-transmissive body 170 is disposed in the light-transmissive opening 112, and the light-transmissive body 170 is used for light irradiation.
For an electronic device or a display device requiring light transmission, the light-transmitting body 170 may be a LOGO, a key, or other components requiring light transmission.
In an alternative embodiment, the light transmissive module 100 may further include a light shielding film 180, the structural member 110 has a first side and a second side opposite to each other, the first side is close to the diffusion sheet 120, the light transmissive opening 112 penetrates through the first side and the second side, and the light shielding film 180 is disposed on the first side and extends to the light transmissive body 170.
It is understood that the light shielding film 180 is used to shield a gap that may exist between the light transmissive body 170 and the light transmissive hole, so that light is emitted only from the light transmissive body 170.
The embodiment of the present invention further provides a display device, which includes a housing and the light transmission module 100 as in any one of the above embodiments.
It should be understood that the structural member 110 of the light-transmitting module 100 can be disposed on the housing, or for the display device, the structural member 110 and the housing are integrally formed, i.e., the structural member 110 is a portion of the housing where light transmission is required.
The embodiment of the utility model provides an in, light-emitting member 150 is used for sending light, this light is the multi-beam light through reflector plate 140 reflection, loop through light guide plate 130 and diffusion piece 120 again, make the pointolite that light-emitting member 150 sent convert the area source, this area source jets out from light inlet 112 on the structure 110, can make the light of jetting out more even, avoided the appearance of local shadow, this printing opacity module 100 can convert the pointolite into the area source, thereby make the printing opacity even, local shadow has been avoided. Moreover, the light-transmitting module 100 has a simple structure.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a printing opacity module, its characterized in that includes structure, diffusion piece, light guide plate, reflector plate and light-emitting component, be provided with light-transmitting opening on the structure, light-emitting component is used for launching light, the reflector plate is used for the reflection light, the diffusion piece the light guide plate with the reflector plate stacks gradually the setting, is used for making light follows in proper order the reflector plate the light guide plate with the diffusion piece transmits extremely light-transmitting opening, light-transmitting opening is used for supplying light jets out.
2. The light transmission module of claim 1, further comprising a circuit board, wherein the light emitting element is disposed on the circuit board and electrically connected to the circuit board, and the circuit board and the reflective sheet are stacked.
3. The light transmission module of claim 2, wherein the light emitting element comprises a first point light source and a second point light source, the first point light source and the second point light source are electrically connected to the circuit board, and the reflector is located between the first point light source and the second point light source.
4. The light transmission module of claim 2, wherein the circuit board is bonded to the reflective sheet.
5. The light transmission module as claimed in claim 1, wherein the diffuser is bonded to the light guide plate; and/or, the light guide plate is bonded with the reflecting sheet.
6. The light transmission module according to any one of claims 1-5, further comprising a light transmission body disposed at the light transmission opening, wherein the light transmission body is used for irradiating the light.
7. The light transmission module of claim 6, further comprising a light blocking film, wherein the structural member has a first side and a second side opposite to each other, the first side is adjacent to the diffuser sheet, the light transmission opening extends through the first side and the second side, and the light blocking film is disposed on the first side and extends to the light transmitting body.
8. A light transmission module according to any one of claims 1-5, wherein the thickness of the light emitting element is less than or equal to the sum of the thicknesses of the reflector sheet and the light guide plate.
9. A display device comprising a light-transmissive module according to any of claims 1-8.
10. The display device of claim 9, further comprising a housing, wherein the structure is disposed to the housing.
CN201922233300.5U 2019-12-12 2019-12-12 Light-transmitting module and display equipment Active CN211575022U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922233300.5U CN211575022U (en) 2019-12-12 2019-12-12 Light-transmitting module and display equipment

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Application Number Priority Date Filing Date Title
CN201922233300.5U CN211575022U (en) 2019-12-12 2019-12-12 Light-transmitting module and display equipment

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CN211575022U true CN211575022U (en) 2020-09-25

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113847583A (en) * 2021-09-01 2021-12-28 Oppo广东移动通信有限公司 Light emitting module and electronic equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113847583A (en) * 2021-09-01 2021-12-28 Oppo广东移动通信有限公司 Light emitting module and electronic equipment

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