CN220474251U

CN220474251U - Display module and electronic equipment

Info

Publication number: CN220474251U
Application number: CN202321810076.1U
Authority: CN
Inventors: 胡富强
Original assignee: Entropy Technology Co Ltd
Current assignee: Entropy Technology Co Ltd
Priority date: 2023-07-10
Filing date: 2023-07-10
Publication date: 2024-02-09
Anticipated expiration: 2033-07-10

Abstract

The application is applicable to the technical field of display equipment, and provides a display module and electronic equipment, the display module includes: the shell is provided with a containing groove which is provided with a groove bottom and an opening opposite to the groove bottom; the light-emitting component is accommodated in the accommodating groove; the first optical element is accommodated in the accommodating groove and is arranged at one side of the light-emitting component, which is away from the groove bottom; the cover plate is covered on the opening and is provided with a light transmission area; the light-emitting component is started to enable light to sequentially pass through the first optical element and the light-transmitting area and to be emitted to the outside; the first optical element can absorb light emitted to the first optical element from the outside when the light-emitting component is closed; an electronic device comprising a display module; this application sets up first optical element in the shell in order to absorb external light, can also guarantee the even of printing opacity when hiding the apron, has reduced the influence to the yield simultaneously.

Description

Display module and electronic equipment

Technical Field

The application belongs to the technical field of display equipment, and particularly relates to a display module and electronic equipment.

Background

At present, a black display panel is integrally applied to electronic products such as a refrigerator, a fingerprint lock and the like, the display panel is black when not emitting light and is similar to the color of the outer surface of the corresponding electronic product, so that the effect of hiding the panel is achieved, and the display panel can transmit light when emitting light or being used, so that a user can observe or operate conveniently.

The existing integrated black display panel usually achieves an integrated black effect by directly screen printing black ink on a cover plate, but is limited by a screen printing process, the ink is difficult to uniformly coat on the cover plate, so that the light transmittance of each area of the display panel is different when the display panel is used, the problems of unclear image display, light and shade change and the like are caused, and the normal use of a user is influenced; at present, the integral black effect is formed by coating the cover plate, but the yield of the coating is difficult to control.

Disclosure of Invention

Aiming at the problems, the application provides a display module and electronic equipment, which at least solve the problems of uneven silk-screen printing ink and lower film coating yield of the existing display panel.

The application provides a display module, its characterized in that includes:

the shell is provided with a containing groove, and the containing groove is provided with a groove bottom and an opening opposite to the groove bottom;

the luminous component is accommodated in the accommodating groove;

the first optical element is accommodated in the accommodating groove and is arranged at one side of the light-emitting component, which is away from the groove bottom;

the cover plate is covered on the opening and is provided with a light-transmitting area;

the light-emitting component is started to enable light to sequentially pass through the first optical element and the light-transmitting area and to be emitted to the outside; the first optical element can absorb light emitted to the first optical element from the outside when the light-emitting component is closed.

In one embodiment, the first optical element comprises an astigmatic film.

In an embodiment, the first optical element is made of polyethylene terephthalate

In an embodiment, the visible light transmittance of the first optical element ranges from 2% to 10%.

In an embodiment, the display module further includes a second optical element disposed between the first optical element and the light emitting component, where the second optical element is configured to receive the light emitted from the light emitting component and emit a uniform parallel light beam.

In one embodiment, the second optical element comprises a light guiding film.

In an embodiment, the light emitting component includes a substrate, and a light emitting bead and a spare bead disposed on the substrate, where the spare bead is capable of emitting light when the light emitting bead is extinguished.

In an embodiment, the shell comprises a support, a middle frame and a rear shell, wherein the middle frame is connected to the rear shell and surrounds the rear shell into the accommodating groove, the support is arranged on one side, away from the rear shell, of the light-emitting component, and the support is accommodated in the accommodating groove and abuts against the light-emitting component.

In an embodiment, the shell further comprises a hanging plate, and the hanging plate is arranged on one side of the rear shell, which faces away from the middle frame.

The embodiment of the application also provides electronic equipment, which comprises the display module.

The display panel screen printing ink is characterized in that the display panel screen printing ink is provided with a first optical element, the first optical element is arranged in the shell, and light emitted into the shell from the outside is absorbed or reflected by the first optical element, so that the effect of hiding the cover plate and the inner structure of the shell is achieved, and meanwhile, the light emitted by the light-emitting component can also penetrate through the first optical element and the cover plate, so that the display panel screen printing ink is convenient for a user to observe; compared with the film coating or screen printing ink on the cover plate, the first optical element is directly adopted to absorb light, so that the problem of uneven light emission is avoided, and meanwhile, the problem of low yield rate of the film coating possibly influenced by factors such as external environment is also avoided;

the utility model provides a structure is succinct, sets up first optical element in order to absorb external light in the shell, can also guarantee the even of printing opacity when hiding the apron, has reduced the influence to the yield simultaneously, and the practicality is strong.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a display module according to an embodiment of the present application.

Fig. 2 is an exploded view of the display module shown in fig. 1.

Fig. 3 is a schematic perspective view of a housing in the display module shown in fig. 1.

Fig. 4 is a schematic perspective view of a light emitting component in the display module shown in fig. 1.

The meaning of the labels in the figures is:

100. a display module;

10. a housing; 101. a receiving groove; 1011. a groove bottom; 1012. an opening; 11. a bracket; 12. a middle frame; 13. a rear case; 14. a hanging plate;

20. a light emitting assembly; 21. a substrate; 22. a light emitting lamp bead; 23. a spare lamp bead;

30. a first optical element;

40. a cover plate; 401. a light-transmitting region;

50. a second optical element.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail below with reference to the accompanying drawings, i.e. embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

In the description of the present application, it should be understood that the terms "length," "width," "upper," "lower," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Therefore, the application provides the display module and the electronic equipment, the first optical element is arranged in the shell, and the light emitted from the outside to the shell is absorbed or reflected by the first optical element, so that the effect of hiding the cover plate and the internal structure of the shell is achieved, and meanwhile, the light emitted by the light-emitting component can also penetrate through the first optical element and the cover plate, so that the user can observe the display module and the electronic equipment conveniently; compared with the film coating or screen printing ink on the cover plate, the first optical element is directly adopted to absorb light, so that the problem of uneven light emission is avoided, and meanwhile, the problem of low yield possibly caused by the film coating is also avoided.

For the purpose of illustrating the technical solutions described in this application, reference is made to the following description taken in conjunction with the accompanying drawings and examples.

Referring to fig. 1 to 3, an embodiment of a first aspect of the present application provides a display module 100, where the display module 100 may be used only for displaying images, or may be used as a display module of a touch pad, a display module matched with a physical switch, or the like; the display module 100 can be applied to household electronic equipment such as intelligent door locks, refrigerators, washing machines and the like, and can also be applied to industrial electronic equipment such as control panels of numerical control lathes and the like; the display module 100 includes a housing 10, a light emitting assembly 20, a first optical member 30, and a cover plate 40.

The housing 10 is used to provide a fixed base for the light emitting assembly 20, the first optical element 30 and the cover 40, and the housing 10 may be part of the corresponding electronic device or may be a separate component; the shell 10 can be embedded on the corresponding electronic equipment, and the shell 10 can also be convexly arranged on the outer surface of the corresponding electronic equipment; the shape of the housing 10 may be square, circular or other, and the material of the housing 10 may be plastic, metal, alloy or other materials.

The housing 10 is provided with a containing groove 101, the containing groove 101 is used for containing the light emitting component 20 and the first optical element 30, the containing groove 101 is provided with a groove bottom 1011 and an opening 1012 opposite to the groove bottom 1011, the light emitting component 20 can be connected to the groove bottom 1011 or the side wall of the containing groove 101, and the first optical element 30 can be connected to the light emitting component 20 or the side wall of the containing groove 101; the opening 1012 faces the outside, and the light emitted from the light emitting component 20 can be emitted to the outside through the opening 1012, so as to be convenient for a user to observe.

The light emitting component 20 is accommodated in the accommodating groove 101, and the light emitting component 20 can be an LED lamp set or other devices capable of emitting light.

The first optical element 30 is accommodated in the accommodating groove 101, and the first optical element 30 is arranged on one side of the light emitting component 20 away from the groove bottom 1011, namely, light rays emitted by the light emitting component 20 pass through the first optical element 30 and then pass through the opening 1012, the light rays emitted by the light emitting component 20 can pass through the first optical element 30 and are emitted to the outside after passing through the opening 1012, and the outside light rays cannot pass through the first optical element 30 after being emitted to the first optical element 30, so that the effect of hiding the structure behind the first optical element 30 is achieved; in some embodiments, the first optical element 30 is a one-way perspective device, such as a one-way perspective glass, a one-way perspective film, etc., wherein when the light emitting component 20 is turned on and emits light, light can pass through the first optical element 30, and when the light emitting component 20 is turned off, external light cannot pass through the first light emitting component 20 and is reflected by the first light emitting component 20, and at this time, the first optical element 30 will have a mirror-like effect; in other embodiments, the first optical element 30 is a light-transmitting film with a color, such as a black polycarbonate film, and the first optical element 30 is capable of absorbing external light, so that the external light cannot pass through the first optical element 30, and the color of the first optical element 30 can further play a role of shielding, and the light emitted by the light emitting component 20 is only attenuated by the first optical element 30 and not absorbed completely, so that the light emitted by the light emitting component 20 can be emitted to the outside.

The cover plate 40 is covered on the opening 1012, and since the light emitting component 20 and the first optical element 30 are both accommodated in the accommodating groove 101, the cover plate 40 is arranged above the light emitting component 20 and the first optical element 30, and the cover plate 40 has a light transmitting area 401, so that light can pass through the light transmitting area 401 and be emitted to the outside, thereby being convenient for a user to observe; the cover 40 may be made of an opaque material and windowed at the light-transmitting region 401, and the cover 40 may also be made of a transparent material; the shape of the cover plate 40 may be the same as the shape of the opening 1012, and the cover plate 40 may have a different shape, such as square, circular, or other regular or irregular shape, on the basis of being able to cover the first optical element 30 and the light emitting assembly 20.

In this embodiment, after the light emitting component 20 is turned on, the light emitted by the light emitting component 20 can sequentially pass through the first optical element 30 and the light-transmitting area 401 and be emitted to the outside, so that the user can observe the light, emitted by the light emitting component 20, will be weakened by the first optical element 30 in the process of passing through the first optical element 30, but still can be finally emitted to the outside; when the light emitting assembly 20 is turned off, the light emitted from the outside to the first optical element 30 is reflected or absorbed by the first optical element 30, so that the light from the outside cannot penetrate the first optical element 30, and the effect of hiding the components behind the first optical element 30 is achieved.

In this embodiment, the first optical element 30 is disposed inside the housing 10, and the light emitted from the outside toward the inside of the housing 10 is absorbed or reflected by the first optical element 30, so as to hide the cover 40 and the internal structure of the housing 10, and meanwhile, the light emitted from the light emitting component 20 can also pass through the first optical element 30 and the cover 40, so as to be convenient for the user to observe; compared with the film coating or silk-screen printing ink on the cover plate 40, the first optical element 30 is directly adopted to absorb or reflect light, so that the problem of uneven light emission is avoided, and meanwhile, the problem of low yield possibly caused by the film coating is also avoided.

In some embodiments, the color of the first optical element 30 and the color of the cover plate 40 are the same as the color of the corresponding electronic device, and this arrangement enables the display module 100 to be the same as the corresponding electronic device when the light emitting assembly 20 is turned off, so as to increase the integrity of the electronic device.

In some embodiments, the first optical element 30 is black in color.

In an embodiment, the first optical element 30 is a light-diffusing film, and the light emitted from the light-emitting device 20 can pass through the light-diffusing film and be emitted to the outside through the light-transmitting region 401, and the outside light is scattered and absorbed by the light-diffusing film after being emitted to the light-diffusing film through the light-transmitting region 401, so that the outside light cannot pass through the light-diffusing film, and the effect of hiding the structure behind the first optical element 30 is achieved.

In some embodiments, the first optical element 30 is made of polyethylene terephthalate, which has high transparency and good glossiness, good mechanical properties, oil resistance, fat resistance, dilute acid resistance, dilute alkali resistance, and long service life.

In some embodiments, the visible light transmittance of the first optical element 30 ranges from 2% to 10%, which may specifically be 2%, 5%, 10% or other values, and this arrangement enables the light emitted by the light emitting component 20 to pass through the first optical element 30, and the human eye cannot see the structure inside the housing 10 through the first optical element 30, so as to achieve the effect of hiding the structure inside the housing 10, and enhance the integration between the display module 100 and the corresponding device.

Referring to fig. 2, in an embodiment, the display module 100 further includes a second optical element 50, where the second optical element 50 is disposed between the first optical element 30 and the light emitting component 20, and the second optical element 50 is configured to receive the light emitted from the light emitting component 20 and make the light form a uniform parallel beam for emitting, and since the light emitted from the light emitting component 20 is generally a diffuse beam, if the diffuse beam is directly emitted to the outside through the first optical element 30 and the light transmitting region 401, the diffuse beam forms a pattern with a clear center and a blurred edge, so that the observation is inconvenient, and the second optical element 50 is configured to convert the diffuse beam into a uniform parallel beam, and the parallel beam can form a uniform and clear pattern after passing through the first optical element 30 and the light transmitting region 401, so that the observation is convenient.

In some embodiments, the second optical element 50 is a light guiding film, and the light guiding film has the characteristics of ultra-thin, uniform light emission, multiple color changes, and the like, and can convert a point light source into a uniform surface light source.

In some embodiments, the material of the light guide film is Polycarbonate (PC) having high strength, high modulus of elasticity, high impact strength, excellent fatigue resistance, good dimensional stability, less creep, high transparency, and free dyeing; in other embodiments, the light guide film is made of thermoplastic polyurethane elastomer (TPU), which has excellent wear resistance, ozone resistance, hardness, strength, elasticity, low temperature resistance, oil resistance, chemical resistance, and environmental resistance; it is understood that the light guide film may be made of other materials on the basis of being capable of uniformly emitting light.

Referring to fig. 2, in some embodiments, the light-transmitting region 401 is a circular region formed in the center of the cover 40, the first optical element 30 is a circular film and is opposite to the light-transmitting region 401, and the projection of the light-transmitting region 401 on the first optical element 30 coincides with the first optical element 30, so that the light transmitted through the first optical element 30 can be emitted to the outside through the light-transmitting region 401.

Referring to fig. 2 and 4, in one embodiment, the light emitting assembly 20 includes a substrate 21, light emitting beads 22, and spare beads 23.

The substrate 21 is used for providing a fixed base for the light-emitting lamp beads 22 and the spare lamp beads 23, the substrate 21 can be a Printed Circuit Board (PCB), and the printed circuit board can integrate a control unit to control the on-off, brightness, color and the like of the light-emitting lamp beads 22 and the spare lamp beads 23 besides providing a fixed base for the light-emitting lamp beads 22 and the spare lamp beads 23, and the substrate 21 can also be a plate material only playing a supporting role.

The light-emitting lamp beads 22 can emit light when the display module 100 is started, so that the display module 100 displays corresponding patterns; the light-emitting beads 22 may be provided only in one or two or more, and when the light-emitting beads 22 are provided in two or more, the light-emitting beads 22 may be provided at uniform intervals in the longitudinal direction and the width direction of the substrate 21, or may be provided at a certain position of the substrate 21 in a concentrated manner according to the position of the second optical element 50.

The spare lamp beads 23 are used for emitting light when the light-emitting lamp beads 22 fail and cannot emit light so as to play a role in spare replacement, and the spare lamp beads 23 can be arranged beside the light-emitting lamp beads 22 or at other positions of the substrate 21.

The light-emitting lamp beads 22 and the standby lamp beads 23 can be LED lamp beads or other lamp beads capable of emitting light.

In some embodiments, the light emitting beads 22 and the spare beads 23 are both LED beads.

In some embodiments, the number of the light-emitting beads 22 and the number of the spare beads 23 are multiple, and the number of the light-emitting beads 22 and the number of the spare beads 23 are the same, and each light-emitting bead 22 is provided with a spare bead 23, so that when a certain light-emitting bead 22 is damaged and cannot emit light, the corresponding spare bead 23 can be started and emits light to play a role in substitution; in other embodiments, the number of the light-emitting beads 22 and the number of the spare beads 23 are plural, and the number of the spare beads 23 may be the same as or different from the number of the light-emitting beads 22, and when a certain light-emitting bead 22 is damaged and cannot emit light, all the light-emitting beads 22 are turned off and all the spare beads 23 are turned on to perform a replacement function; it will be appreciated that the number of light-emitting beads 22, the number of spare beads 23 and the lighting logic of the spare beads 23 may also be set differently according to the specific requirements of the product.

Referring to fig. 4, in some embodiments, the light-emitting beads 22 and the spare beads 23 are each four, and the four light-emitting beads 22 and the four spare beads 23 are alternately arranged around the center of the circular first optical element 30 in sequence.

Referring to fig. 2 and 3, in an embodiment, the housing 10 includes a bracket 11, a middle frame 12 and a rear shell 13, the middle frame 12 is connected to the rear shell 13 and encloses a receiving slot 101 with the rear shell 13, the rear shell 13 is a slot bottom 1011 of the receiving slot 101, and the middle frame 12 is a side wall of the receiving slot 101; the connection mode between the middle frame 12 and the rear shell 13 can be bolt connection, or can be buckle connection, bonding or other connection modes; the middle frame 12 and the rear shell 13 can be made of plastic, alloy or other materials; the shape of the rear case 13 may be a circle, a square, or other shapes, the middle frame 12 is a frame-like member, and the shape of the middle frame 12 may be determined according to the shape of the rear case 13, and specifically may be a square frame, a circular frame, or other shapes.

The support 11 is arranged on one side of the light-emitting component 20, which is away from the rear shell 13, the support 11 is accommodated in the accommodating groove 101, in the structure, the support 11 can be connected with the middle frame 12 in a fastening connection mode, a bolt connection mode and the like, and the support 11 can also be abutted with the middle frame 12 and connected with the rear shell 13 in a fastening mode, a bolt connection mode and the like; the bracket 11 is abutted against the light emitting assembly 20, specifically against the substrate 21 of the light emitting assembly 20, and the bracket 11 can abut against the substrate 21 on the rear case 13, thereby fixing the substrate 21 on the rear case 13; the material of the bracket 11 can be plastic, alloy or other materials; the shape of the bracket 11 may be determined according to the shape of the middle frame 12, and may be specifically square, circular or other shapes.

In some embodiments, the housing 10 further includes a hanging plate 14, where the hanging plate 14 is disposed on a side of the rear shell 13 away from the middle frame 12, and the hanging plate 14 is configured to facilitate the hanging of the display module 100 on a corresponding electronic device, and in some embodiments, the display module 100 is hung on an outer surface of the electronic device through the hanging plate 14, where the display module 100 is disposed as a separate device outside the electronic device and is hung on the electronic device through the hanging plate 14; in other embodiments, the display module 100 is also hung on a structural member inside the electronic device by the hanging board 14, and the hanging board 14 simplifies the installation of the display module 100 and also facilitates the disassembly, replacement or maintenance of the display module 100.

The second aspect of the present application provides an electronic device, including the display module 100 provided by the first aspect, where the electronic device may be a household electronic device, such as a fingerprint lock, a refrigerator, a washing machine, and the electronic device may also be an industrial electronic device, such as a numerically controlled lathe; the electronic device has the advantage of the display module 100, when the display module 100 is not used, the color of the display module 100 is consistent or similar to that of the outer surface of the electronic device, the consistency of the electronic device is improved, and when the display module 100 is used, the pattern can be directly displayed on the cover plate 40 so as to be convenient for a user to observe.

The above embodiments are only for illustrating the technical solution of the present application, and are not limiting thereof; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application.

Claims

1. A display module, comprising:

the luminous component is accommodated in the accommodating groove;

2. The display module of claim 1, wherein the first optical element comprises an astigmatic film.

3. The display module of claim 1, wherein the first optical element is made of polyethylene terephthalate.

4. The display module of claim 1, wherein the first optical element has a visible light transmittance in the range of 2% to 10%.

5. The display module of any one of claims 1-4, further comprising a second optical element disposed between the first optical element and the light emitting assembly, the second optical element configured to receive light emitted from the light emitting assembly and emit a uniform parallel light beam.

6. The display module of claim 5, wherein the second optical element comprises a light directing film.

7. The display module of any one of claims 1-4, wherein the light emitting assembly comprises a substrate and light emitting and backup light beads disposed on the substrate, the backup light beads capable of emitting light when the light emitting light beads are extinguished.

8. The display module of any one of claims 1-4, wherein the housing comprises a bracket, a middle frame and a rear shell, the middle frame is connected to the rear shell and surrounds the accommodating groove with the rear shell, the bracket is arranged on one side of the light emitting assembly, which is away from the rear shell, and the bracket is accommodated in the accommodating groove and abuts against the light emitting assembly.

9. The display module of claim 8, wherein the housing further comprises a hanging plate disposed on a side of the rear housing facing away from the center frame.

10. An electronic device comprising a display module as claimed in any one of claims 1-9.