CN114967221A - Illuminated display device - Google Patents

Abstract

The invention discloses an illumination display device, which comprises a backlight assembly and a display assembly, wherein the backlight assembly comprises a back plate and a light source, the light source is arranged on the front side of the back plate, the back plate is a transparent piece so that light of the light source can be emitted through the back plate, the display assembly comprises a display panel, the display panel is arranged on one side of the light source, which is far away from the back plate, and the light of the light source can be emitted to the display panel. The illumination display device has the functions of illumination and display and has good applicability.

Description

Illuminated display device

Technical Field

The invention relates to the technical field of display, in particular to an illumination display device.

Background

At present, the demands of outdoor display, high-end commercial display and advertisement media for information transmission and commodity propaganda are increasingly diversified and media-oriented. Traditional customized billboards, posters and illuminated display cases are difficult to compare the publicity effect brought by display propagation.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides an illumination display device which has the functions of illumination and display and has good applicability.

An illuminated display apparatus according to the present invention comprises: the backlight assembly comprises a back plate and a light source, wherein the light source is arranged on the front side of the back plate, and the back plate is a transparent piece so that the light of the light source can be emitted out through the back plate; the display assembly comprises a display panel, the display panel is arranged on one side of the light source, which is far away from the backboard, and light rays of the light source can be emitted to the display panel.

According to the illumination display device, the back plate is arranged to be the transparent piece, so that the illumination display device has an illumination function and a display function at the same time, the display effect of the illumination display device cannot be influenced by the illumination function, the functions of the illumination display device are enriched, the applicability of the illumination display device is favorably improved, and the illumination display device can be suitable for scenes needing illumination at night and outside information indication in the daytime.

In some embodiments, the backlight assembly further includes an outer frame disposed in the non-display region of the display panel and extending along an edge of the back plate to form a ring structure, and a first reflector is disposed on an inner circumferential surface of the outer frame.

In some embodiments, a containing cavity is defined in the outer frame, a battery assembly of the illumination display device is arranged in the containing cavity, and the battery assembly is electrically connected with the light source to supply power to the light source.

In some embodiments, the battery assembly is a rechargeable battery, and a charge/discharge controller is disposed between the rechargeable battery and the light source.

In some embodiments, the backside surface of the backplate is provided with a light-shielding layer that exposes a portion of the surface of the backplate.

In some embodiments, the light-shielding layer is a metal layer.

In some embodiments, the light source comprises: the substrate is arranged on the front side surface of the back plate, and the substrate is a transparent piece; the LED lamps are arranged on one side of the substrate, which is far away from the back plate; the connector is electrically connected with the LED lamps.

In some embodiments, the connector is arranged on one side surface of the substrate far away from the backboard, and the side surface of the connector far away from the substrate is provided with a second reflecting piece; or, an accommodating space is formed on the back plate, and the connector is arranged in the accommodating space.

In some embodiments, the illuminated display apparatus further comprises: the solar power generation assembly is arranged on one side, away from the display assembly, of the backlight assembly and is electrically connected with the battery assembly of the lighting display device through the charge-discharge controller.

In some embodiments, the solar power assembly comprises: the solar cell panel is arranged on the back side of the back plate and is electrically connected with the charge and discharge controller; the protective plate is arranged on one side, far away from the back plate, of the solar cell panel, and the edge of the protective plate extends to the outer side of the solar cell panel and is fixedly connected with the edge of the back plate assembly.

In some embodiments, the backlight assembly further includes an outer frame disposed in the non-display region of the display panel and extending along an edge of the back plate to form a ring structure, an accommodating groove is formed at an end of the outer frame away from the display assembly, and an edge of the protection plate is fitted into the accommodating groove and adhesively connected to the outer frame.

In some embodiments, the protective plate is ultra-white tempered glass.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of an illuminated display apparatus according to one embodiment of the present invention;

FIG. 2 is a partial schematic view of the illuminated display apparatus shown in FIG. 1;

fig. 3 is a schematic connection diagram of the battery assembly shown in fig. 1.

Reference numerals:

an illumination display device 100, a glue member 100a, an external power source 101,

A backlight assembly 1, a back plate 11, a light source 12, an outer frame 13, a first reflector 14,

Substrate 121, LED lamp 122, connector 123, second reflector 124, optical film 125,

An accommodating cavity 131, an accommodating groove 132,

A display module 2, a display panel 21, a diffusion plate 22, an IC circuit 23,

A battery assembly 3,

A charge and discharge controller 4,

A light shielding layer 5,

A solar power generation component 6,

A solar cell panel 61, a protective plate 62,

A shutter 7, a covering member 8.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.

The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the applicability of other processes and/or the use of other materials.

Next, an illumination display device 100 according to an embodiment of the present invention is described with reference to the drawings.

As shown in fig. 1, the illumination display device 100 includes a backlight assembly 1 and a display assembly 2, the backlight assembly 1 includes a back plate 11 and a light source 12, the light source 12 is disposed on a front side of the back plate 11, the back plate 11 is a transparent member, so that light from the light source 12 can be emitted through the back plate 11, and the light emitted through the back plate 11 can be used for illumination, so that the illumination display device 100 has an illumination function. The display module 2 includes a display panel 21, the display panel 21 is disposed on a side of the light source 12 away from the back plate 11, light from the light source 12 can be emitted to the display panel 21, and the display panel 21 can be used for displaying images, so that the illumination display apparatus 100 has a display function.

Wherein, the direction "the front side of the back plate 11" may be understood as the thickness side of the back plate 11, and the opposite direction is defined as "the back side of the back plate 11", and "the back side of the back plate 11" may be understood as the thickness other side of the back plate 11, and when a user views a display image on the lighting display device 100, the side of the back plate 11 close to the user is the front side of the back plate 11; for example, in the example of fig. 1, "the front side of the back plate 11" may refer to the upper side of the back plate 11, and "the back side of the back plate 11" may refer to the lower side of the back plate 11.

It can be understood that, since the back plate 11 is a transparent member, the illumination display device 100 has light emitted from the back side of the back plate 11 for illumination on the premise that the illumination display device 100 can achieve normal display on the front side of the back plate 11.

Therefore, according to the illumination display device 100 of the embodiment of the invention, by setting the back plate 11 as a transparent member, the illumination display device 100 can have both the illumination function and the display function, and the illumination function does not affect the display effect of the illumination display device 100, so that the functions of the illumination display device 100 are enriched, which is beneficial to improving the applicability of the illumination display device 100, for example, the illumination display device 100 can be suitable for scenes in which illumination is needed at night and outside information indication is performed in the daytime, so as to achieve a good propaganda effect.

Alternatively, the back plate 11 may be made of an optically transparent material, such as PC (polycarbonate), PMMA (polymethyl methacrylate), or resin.

In some embodiments, as shown in fig. 1, the backlight assembly 1 further includes an outer frame 13, the outer frame 13 is disposed in the non-display area of the display panel 21, the outer frame 13 extends along the edge of the back plate 11 to form a ring structure, the inner peripheral surface of the outer frame 13 is disposed with a first reflective member 14, the first reflective member 14 can reflect the light of the light source 12, so as to optimize the display quality of the edge of the display panel 21, and is favorable for improving the display effect of the illumination display apparatus 100.

Alternatively, the first reflecting member 14 may be white baking varnish or white reflective sticker, etc. to ensure the reflecting effect of the first reflecting member 14 on light.

Alternatively, the outer frame 13 is formed as an aluminum extrusion.

In some embodiments, as shown in fig. 1, an accommodating cavity 131 is defined in the outer frame 13, the battery assembly 3 of the illumination display device 100 is disposed in the accommodating cavity 131, the battery assembly 3 is electrically connected to the light source 12 to supply power to the light source 12, and the battery assembly 3 is disposed to enable the illumination display device 100 to realize power supply by itself, so that the illumination display device 100 can be normally used without external power supply equipment, which is beneficial to improving the convenience of the illumination display device 100; meanwhile, the battery assembly 3 is disposed in the accommodating cavity 131 of the outer frame 13, and the battery assembly 3 may not occupy a space, so as to achieve a compact structure design of the illumination display device 100, save the occupied space of the illumination display device 100, and facilitate improvement of the applicability of the illumination display device 100, for example, the illumination display device 100 may be adapted to a scene with requirements for the arrangement space.

It is understood that the battery assembly 3 may be one or more; when the battery modules 3 are plural, the plural battery modules 3 may be arranged along the circumferential direction of the outer frame 13, which is advantageous for improving the cruising ability of the illumination display apparatus 100 and realizing long-time operation.

Optionally, in the example of fig. 3, the battery assembly 3 is a rechargeable battery, for example, the battery assembly 3 is a storage battery, and the charge and discharge controller 4 is disposed between the rechargeable battery and the light source 12, so that the battery assembly 3 can supply power to the light source 12 through the charge and discharge controller 4, at this time, the battery assembly 3 discharges, and the charge and discharge controller 4 can also be connected to an external power source, so as to charge the battery assembly 3. Thereby, it is advantageous to improve the convenience of use and the life of the illumination display device 100.

For example, a through hole may be formed in the outer frame 13, the battery assembly 3 is electrically connected to the input end of the charge/discharge controller 4 through a wire penetrating through the through hole, the charging end of the charge/discharge controller 4 is connected to the battery assembly 3, and the output end of the charge/discharge controller 4 is electrically connected to the light source 12 through a dc output socket.

In some embodiments, as shown in fig. 2, a light shielding layer 5 is disposed on a back surface of the back plate 11, the light shielding layer 5 exposes a portion of the surface of the back plate 11, so that the setting of the light shielding layer 5 does not affect the illumination function of the illumination display device 100, and meanwhile, the light shielding layer 5 can be set in a shape of the light shielding layer 5, so that a portion of the back plate 11 that is not shielded by the light shielding layer 5 forms a certain pattern, thereby realizing patterned illumination, so that the illumination display device 100 can realize patterned customization, and realize a mirror function of the back surface of the illumination display device 100, and the light shielding layer can be widely applied to outdoor advertising, public business display, bus stop boards and other application scenes. The pattern is understood in a broad sense and may be a character, a picture, a LOGO, etc.

Optionally, in the example of fig. 2, the light shielding layer 5 is a metal layer to ensure the light shielding effect of the light shielding layer 5. Wherein, the metal layer can be selected as a high-reflectivity metal piece; the metal layer may be deposited on the backside surface of the backplate 11 by evaporation or deposition.

In some embodiments, as shown in fig. 1, the light source 12 includes a substrate 121, a plurality of LED lamps 122 and a connector 123, in this case, the display panel 21 may be an LCD display panel, the substrate 121 is disposed on a front surface of the back plate 11, the substrate 121 is a transparent member, and the plurality of LED lamps 122 are disposed on a side of the substrate 121 away from the back plate 11, for example, the plurality of LED lamps 122 are disposed on a surface of the substrate 121, and the plurality of LED lamps 122 may be arranged in an array, and the connector 123 is electrically connected to the plurality of LED lamps 122, so that the external power source 101 or the battery assembly 3 of the lighting display device 100 may be connected to the connector 123 to supply power to the plurality of LED lamps 122, so that the plurality of LED lamps 122 emit light, and the power supply connection of the light source 12 is facilitated.

Alternatively, in the example of fig. 1, a through hole is formed in the outer frame 13 of the backlight assembly 1, and the connector 123 may be electrically connected to the battery assembly 3 provided in the outer frame 13 through a wire passing through the through hole.

Optionally, the substrate 121 is a glass piece; but is not limited thereto.

In some embodiments, as shown in fig. 1 and 2, the front side surface of the substrate 121 may be provided with an optical film 125, and the optical film 125 may reflect and/or transmit light of the light source 12 to improve the display utilization rate of the light source 12.

It is understood that the optical film 125 may be shaped according to the particular application scenario and requirements. When the illumination display apparatus 100 has high display brightness and low back illumination brightness, the optical film 125 can be a high-reflectivity reflective film; when the display device 100 is substantially balanced between the display brightness requirement and the backlight brightness requirement, the optical film 125 can be a transflective film layer; when the illumination display apparatus 100 has low display brightness requirement and high back illumination brightness requirement, the optical film 125 may be an antireflection film.

In some embodiments, as shown in fig. 1, the connector 123 is disposed on a side surface of the substrate 121 away from the back plate 11, so that the connector 123 is electrically connected to the plurality of LED lamps 122. The second reflector 124 is disposed on a side surface of the connector 123 far from the substrate 121, and the second reflector 124 can reflect light from the light source 12, so as to prevent the display panel 21 from displaying a dark shadow due to the connector 123 absorbing light from the LED lamp 122, thereby ensuring a display effect of the illumination display apparatus 100.

Optionally, the second reflector 124 is a reflective sticker or the like to ensure the light reflection function of the first reflector 14.

Of course, the present application is not so limited; in other embodiments, the back plate 11 has a receiving space formed thereon, and the connector 123 is disposed in the receiving space, so that the connector 123 is disposed without affecting the display effect of the display panel 21 due to light absorption.

Alternatively, a groove may be formed on the back plate 11, and the groove may be concavely formed from one side of the front side surface of the back plate 11 to define a receiving space.

In some embodiments, as shown in fig. 1 to fig. 3, the lighting display device 100 further includes a solar power generation assembly 6, the solar power generation assembly 6 is disposed on a side of the backlight assembly 1 away from the display assembly 2, and the solar power generation assembly 6 is electrically connected to the battery assembly 3 of the lighting display device 100 through the charge and discharge controller 4, so that the battery assembly 3 can be charged by the solar power generation assembly 6 through the charge and discharge controller 4, thereby ensuring the cruising ability of the battery assembly 3, facilitating the long-time operation of the lighting display device 100, and the lighting display device 100 does not need to be externally connected to other power supply devices, facilitating breaking the limitation of the externally connected power supply devices in comparison with the position of the display device 100, and thus improving the applicability of the lighting display device 100.

Of course, as shown in fig. 3, the battery assembly 3 may also be electrically connected to the external power source 101, for example, to deal with the problem of insufficient converted electric energy caused by uncertainty of external ambient light, the battery assembly 3 may be electrically connected to the external power source 101.

In some embodiments, as shown in fig. 1 and fig. 2, the solar power generation assembly 6 includes a solar cell panel 61, the solar cell panel 61 is disposed on the back side of the back panel 11, and the solar cell panel 61 is electrically connected to the charge and discharge controller 4, the solar cell panel 61 can absorb ultraviolet light and near infrared light in the external environment and convert the ultraviolet light and the near infrared light into electric energy, and the energy collected by the solar cell panel 61 can be stored in the battery assembly 3 through the charge and discharge controller 4. Solar power generation component 6 still includes protection shield 62, protection shield 62 establishes the one side of keeping away from backplate 11 at solar cell panel 61, then solar cell panel 61 establishes the inboard at protection shield 62, protection shield 62 can play certain guard action to solar cell panel 61, the edge of protection shield 62 extends to solar cell panel 61's the outside, and protection shield 62 links to each other with the edge fastening of backplate 11 subassembly, so that realize solar power generation component 6's installation, and solar power generation component 6's installation can not exert an influence to solar cell panel 61.

Alternatively, the solar panel 61 may be a transparent photovoltaic device constructed of a halide perovskite material.

Optionally, in the example of fig. 2, the back surface of the back plate 11 is provided with the light shielding layer 5, and the light shielding layer 5 exposes a part of the surface of the back plate 11, so that the light shielding layer 5 is disposed without affecting the illumination function of the illumination display device 100, and the light shielding layer 5 can reflect light to be utilized by reflecting the ambient light for the second time, and the absorption conversion effect of the solar cell panel 61 on the external ambient light source can be increased.

In some embodiments, as shown in fig. 1, the backlight assembly 1 further includes an outer frame 13, the outer frame 13 is disposed in the non-display area of the display panel 21, and the outer frame 13 extends along the edge of the back panel 11 to form a ring structure, an end of the outer frame 13 away from the display assembly 2 is formed with a receiving groove 132, and the edge of the protection plate 62 is fitted in the receiving groove 132, so as to ensure the assembling precision of the solar power generation assembly 6 and the back panel 11 assembly, and at the same time, to facilitate reducing the thickness of the lighting display device 100. Wherein, the edge of the protective plate 62 is bonded with the outer frame 13, so that the solar power generation assembly 6 is easy and firm to install.

It is understood that the protective plate 62 may be a transparent member or a non-transparent member such as a light shielding member.

Optionally, the protection plate 62 is made of ultra-white toughened glass, so that the protection plate 62 has good light transmittance and structural strength, the protection plate 62 is ensured to effectively protect the solar cell panel 61, and meanwhile, more ambient light is ensured to irradiate the solar cell panel 61 through the protection plate 62.

For example, as shown in fig. 1, the display module 2 further includes a diffusion plate 22, the diffusion plate 22 is disposed between the display panel 21 and the backlight module 1, the edge of the front side of the diffusion plate 22 is bonded to the display panel 21, the edge of the back side of the diffusion plate 22 is bonded to the backlight module 1, for example, the front side of the edge of the diffusion plate 22 and the display panel 21 are photographed by a glue 100a, and the back side of the edge of the diffusion plate 22 is connected to the outer frame 13 of the backlight module 1 by a glue 100 a; the display module 2 further comprises an IC circuit 23, the IC circuit 23 comprises a COF and a PCB, a containing cavity 131 is formed on the outer frame 13 of the backlight module 1, an opening is formed at one side of the containing cavity 131, a covering member 8 is arranged at the opening, the covering member 8 covers the opening, a communication port communicated with the containing cavity 131 is defined between the covering member 8 and the outer frame 13, and the IC circuit 23 is arranged in the containing cavity 131 and penetrates through the communication port to be connected with the display panel 21. Wherein, the coating of glue can be realized by adopting automatic equipment.

The shape of the accommodating cavity 131 can be specifically determined according to the avoiding condition of the PCB board of the IC circuit 23 and the size parameter of the battery assembly 3.

Therefore, the illumination display device 100 in the application can meet the requirement of information indication in the daytime and also has the illumination function at night in urban public facility construction under the background of all-weather convenience service, such as traffic signs, bus stop boards and the like; and in present practical application, the MINI LED has the advantages of high color gamut, high brightness and low energy consumption, and can break through the restriction that the market volume production process level at the present stage is generally low, the illumination display device 100 can meet the application and popularization on a large-size functional display screen, is convenient to realize narrow-frame design, and can meet the urban green sustainable energy development policy.

Other configurations and operations of the illuminated display apparatus 100 according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means 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 present invention. In this specification, the schematic representations of the terms used above do not necessarily 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.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (12)

1. An illuminated display apparatus, comprising:

the backlight assembly comprises a back plate and a light source, wherein the light source is arranged on the front side of the back plate, and the back plate is a transparent piece so that the light of the light source can be emitted out through the back plate;

the display assembly comprises a display panel, the display panel is arranged on one side of the light source, which is far away from the backboard, and light rays of the light source can be emitted to the display panel.

2. The illuminated display apparatus according to claim 1, wherein the backlight assembly further comprises an outer frame provided in the non-display region of the display panel and extending along an edge of the back plate to form a ring structure, and a first reflecting member is provided on an inner circumferential surface of the outer frame.

3. A lighted display device according to claim 2, wherein the housing defines a receiving cavity therein, a battery assembly of the lighted display device being disposed within the receiving cavity, the battery assembly being electrically connected to the light source to power the light source.

4. The illumination display device according to claim 3, wherein the battery assembly is a rechargeable battery, and a charge/discharge controller is provided between the rechargeable battery and the light source.

5. The illuminated display apparatus according to claim 1, wherein a backside surface of the back plate is provided with a light shielding layer exposing a part of a surface of the back plate.

6. The illuminated display apparatus according to claim 5, wherein the light shielding layer is a metal layer.

7. The illuminated display apparatus according to claim 1, wherein the light source includes:

the substrate is arranged on the front side surface of the back plate and is a transparent piece;

the LED lamps are arranged on one side of the substrate, which is far away from the back plate;

the connector is electrically connected with the LED lamps.

8. The illuminated display apparatus according to claim 7,

the connector is arranged on the surface of one side of the substrate, which is far away from the backboard, and a second reflecting piece is arranged on the surface of one side of the connector, which is far away from the substrate; alternatively, the first and second electrodes may be,

an accommodating space is formed on the back plate, and the connector is arranged in the accommodating space.

9. A lighting display device as recited in any one of claims 1-8, further comprising:

the solar power generation assembly is arranged on one side, far away from the display assembly, of the backlight assembly and is electrically connected with the battery assembly of the lighting display device through the charge-discharge controller.

10. The illuminated display apparatus according to claim 9, wherein the solar power generation assembly comprises:

the solar cell panel is arranged on the back side of the back plate and is electrically connected with the charge and discharge controller;

the protective plate is arranged on one side, far away from the back plate, of the solar cell panel, and the edge of the protective plate extends to the outer side of the solar cell panel and is fixedly connected with the edge of the back plate assembly.

11. The illuminated display apparatus according to claim 10, wherein the backlight assembly further comprises an outer frame disposed in the non-display region of the display panel and extending along an edge of the rear plate to form a ring-shaped structure, wherein an end of the outer frame remote from the display assembly is formed with a receiving groove, and an edge of the protection plate is fitted into the receiving groove and adhesively connected to the outer frame.

12. The illuminated display apparatus according to claim 10, wherein the protective plate is ultra-white tempered glass.

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