CN218153684U - Light emitting panel and display device having the same - Google Patents

Abstract

The utility model discloses a luminescent panel and a display device with the same, wherein the luminescent panel comprises a luminescent component, the luminescent component comprises a lamp panel and a plurality of light-emitting diodes arranged on the lamp panel; the light emitting module comprises a light emitting module, a light emitting module and a cover body assembly, wherein the cover body assembly comprises a light shielding plate and a diffusion plate, the cover body assembly is located on the light emitting side of the light emitting module, the light shielding plate surrounds the light emitting module and defines a first accommodating space with the lamp panel, the light emitting diode is located in the first accommodating space, at least part of the area of the light shielding plate is provided with an opening penetrating along the thickness direction, and the diffusion plate covers the opening. The utility model relates to a luminescent panel can design according to the light-emitting effect of difference, and the play plain noodles of luminescent panel is adjustable, can guarantee the acutance of light-emitting lines simultaneously, optimizes the display effect.

Description

Light emitting panel and display device having the same

Technical Field

The present application relates to the field of light emission, and in particular, to a light emitting panel and a display device having the same.

Background

The existing light-emitting panel usually comprises a light-emitting component and a lampshade, light generated by the light-emitting component irradiates the outside through the lampshade, but the existing light-emitting panel generally has the problems that a light-emitting surface is large, and the light cannot present a line sense organ. The LED is called as a fourth generation illumination light source or a green light source, has the characteristics of energy conservation, environmental protection, long service life, small volume and the like, and can be widely applied to the fields of various indications, display, decoration, backlight sources, common illumination, urban night scenes and the like. For the LED lamp, the width of the lamp holder is limited, and the light emitting effect cannot be optimized by reducing the width of the lamp holder.

Therefore, there is still a need for further improvement in the current light emitting panels.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving one of the technical problems in the related art at least to a certain extent. To this end, an object of the present invention is to provide a light emitting panel. The utility model relates to a luminescent panel can design according to the light-emitting effect of difference, and the play plain noodles of luminescent panel is adjustable, can guarantee the acutance of light-emitting lines simultaneously, optimizes display effect.

In one aspect of the present invention, a light-emitting panel is provided, which includes a light-emitting assembly, where the light-emitting assembly includes a lamp panel and a plurality of light-emitting diodes arranged on the lamp panel; the light emitting module comprises a light emitting module, a light emitting module and a cover body assembly, wherein the cover body assembly comprises a light shielding plate and a diffusion plate, the cover body assembly is located on the light emitting side of the light emitting module, the light shielding plate surrounds the light emitting module and defines a first accommodating space with the lamp panel, the light emitting diode is located in the first accommodating space, at least part of the area of the light shielding plate is provided with an opening penetrating along the thickness direction, and the diffusion plate covers the opening.

The utility model relates to a luminescent panel, cover body subassembly are formed by opaque light screen and diffuser plate, and emitting diode sets up in the accommodation space that light screen, diffuser plate and lamp plate formed, and the light that emitting diode sent only sends through the diffuser plate, has reduced the play plain noodles, and the light of avoiding emitting diode to send disperses through cover body subassembly's whole face guard, has improved the light-emitting effect. And the size of the opening on the shading plate can be designed according to different light-emitting effects so as to meet different light-emitting requirements.

According to some embodiments of the invention, the diffuser plate has a haze of 65% to 90%.

According to some embodiments of the invention, the diameter of the opening is 4.5 mm-5 mm.

According to some embodiments of the invention, the distance between the diffuser plate and the surface of the light emitting diode is 2mm to 3mm.

According to some embodiments of the utility model, the luminescent panel still includes the protection shield, the protection shield centers on the lamp plate sets up and is located the lamp plate deviates from one side of light-emitting side, the protection shield with the second accommodation space is injectd to the lamp plate.

According to the utility model discloses a some embodiments, first accommodation space and/or it glues to have the protection in the second accommodation space, the protection is glued and is covered at least partial surface of lamp plate.

According to some embodiments of the present invention, the diffuser plate has an adhesive layer on a surface thereof contacting the light shielding plate.

According to some embodiments of the invention, the material forming the light screen is ABS, PC or PE.

According to some embodiments of the invention, the material forming the diffuser plate is ABS, PC or PE, and the diffuser plate further has a light diffuser thereon.

In another aspect of the present invention, a display device is provided, which includes the above-mentioned light-emitting panel, and has all the features and advantages of the above-mentioned light-emitting panel, which are not described herein again. Generally speaking, the light-emitting device at least has the advantages of adjustable light-emitting surface and sharper light-emitting lines.

According to some embodiments of the invention, the display device is a special-shaped display device.

According to the utility model discloses a some embodiments, display device includes bar display part, bar display part's width is not more than 11mm.

According to some embodiments of the invention, the display device further has a hollowed-out area, the hollowed-out area is formed by the bar display portion in a surrounding manner.

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 shows a schematic structural diagram of a light-emitting panel according to an embodiment of the present invention;

FIG. 2 is a schematic view showing a structure of a light emitting panel in the prior art;

FIG. 3 is a schematic diagram showing the target light-emitting effect;

fig. 4 shows a schematic structural diagram of the light-emitting panel manufactured by the shading jig of the present invention.

Reference numerals:

1000': a light emitting panel; 1100': a transparent mask; 300': a light-emitting surface; 1110': a lamp panel; 1120': a light emitting diode; 1000: a light emitting panel; 1100: a light emitting assembly; 1110: a lamp panel; 1120: a light emitting diode; 1200: a cover assembly; 1210: a diffuser plate; 1220: a visor; 100: a first accommodating space; 200: a second accommodating space; 1300: a protection plate; 300: a light-emitting surface; 1400: and (5) shielding and spraying the process groove.

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 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 exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In an aspect of the present invention, a light emitting panel 1000 is provided, and referring to fig. 1, the light emitting panel 1000 includes a light emitting assembly 1100 and a cover assembly 1200.

The light emitting assembly 1100 includes a lamp panel 1110 and a plurality of light emitting diodes 1120 disposed on the lamp panel 1110, specifically, the plurality of light emitting diodes 1120 may be disposed at a central position of the lamp panel 1110, copper wires are disposed around the light emitting diodes 1120 to conduct current, the cover assembly 1200 includes a light shielding plate 1220 and a diffusion plate 1210, the cover assembly 1200 is located at a light emitting side of the light emitting assembly 1100, the light shielding plate 1220 is disposed around the light emitting assembly 1100 and defines a first accommodating space 100 with the lamp panel 1110, the light emitting diodes 1120 are located in the first accommodating space 100, at least a partial region of the light shielding plate 1220 has an opening 1221 penetrating through in a thickness direction, and the diffusion plate 1210 covers the opening 1221. The utility model relates to a luminescent panel 1000 can design according to the light-emitting effect of difference, and the play plain noodles of luminescent panel 1000 is adjustable, can guarantee the acutance of light-emitting lines simultaneously, optimizes the display effect.

Following the utility model discloses the principle that can realize above-mentioned beneficial effect explains in detail:

referring to fig. 2, in a light emitting panel 1000 'in the prior art, a transparent cover 1100' is used, and light emitted from a light emitting diode 1120 'on a lamp panel 1110' has an exit angle of 120 °, and can be emitted through the transparent cover 1100', and the exit surface 300' is large and cannot present a line sense. At present, the width of the lamp panel 1110' is extremely narrow in the industry, and the width of the lamp panel 1110' cannot be compressed continuously, so that the goal of reducing the light-emitting surface cannot be achieved in the direction of reducing the width of the lamp panel 1110 '. The utility model relates to a luminescent panel 1000, light-emitting effect refer to fig. 3, and cover body subassembly 1200 is formed by opaque light screen 1220 and diffuser plate 1210, and emitting diode 1120 sets up in the first accommodation space 100 that light screen 1220, diffuser plate 1210 and lamp plate 1110 formed, and the light that emitting diode 1120 sent only sends through diffuser plate 1210, has reduced play plain noodles 300, and the light of avoiding emitting diode 1120 to send disperses through cover body subassembly 1200's whole face guard, makes the light-emitting lines sharper. Moreover, the size of the opening 1221 on the light shielding plate 1220 can be designed according to different light emitting effects to meet different light emitting requirements.

According to some embodiments of the present invention, for better adjusting the sharpness of the light emitting line, the haze of the diffusion plate 1210 may be 65% to 90%, for example, 70%, 75%, 80%, 85%, 90%, and the like, and specifically, may be selected according to different sizes of the light emitting panel 1000, different uses of the light emitting panel 1000, and different light emitting requirements, so that the light emitting panel 1000 exhibits the best light emitting effect.

According to some embodiments of the present invention, the diffuser plate 1210 is formed of ABS, PC or PE, and further includes a light diffuser thereon, which may be selected for different applications of the light-emitting panel 1000. For example, a tougher PC can be selected for overmolding with a light diffuser, and the addition of a light diffuser in the diffuser plate can enhance the transmission and scattering of light to form the diffuser plate 1210 with a different haze. According to some embodiments of the present disclosure, the thickness of the diffuser plate 1210 is not particularly limited, and specifically to the present application, the thickness of the diffuser plate 1210 may be 1mm to 3mm.

According to some embodiments of the present invention, referring to fig. 1, the size of the opening on the light shielding plate 1220 can be designed according to different uses of the light-emitting panel 1000 and different light-emitting requirements, specifically to the present application, the diameter of the opening can be 4.5mm to 5mm, for example, the opening can be 4.6mm, 4.7mm, 4.8mm or 4.9mm, therefore, the brightness of the light-emitting panel 1000 can reach 1000nits, so that the light-emitting panel 1000 can meet the requirements of sharpness and brightness, and the best light-emitting effect is achieved. It should be noted that the diameter of the opening referred to herein can also refer to the distance between two broken light shielding plates 1220 above the light emitting assembly 1100.

According to some embodiments of the present invention, the distance between the diffusion plate 1210 and the surface of the light emitting diode 1120 is not particularly limited, and those skilled in the art may design the distance according to the purpose of the light emitting panel 1000, and in order to further optimize the brightness of the light emitting panel 1000, the distance between the diffusion plate 1210 and the surface of the light emitting diode 1120 may be 2mm to 3mm, for example, 2.1mm, 2.2mm, 2.3mm, 2.4mm, 2.5mm, 2.6mm, 2.7mm, 2.8mm, 2.9mm, etc. If the distance between the diffusion plate 1210 and the light emitting diodes 1120 is too large, the brightness of the light emission panel 1000 may be reduced to some extent.

According to some embodiments of the utility model, referring to fig. 1, in order to further protect light emitting panel 1000, avoid light emitting component 1100 to receive external force and damage, light emitting panel 1000 can also include protection board 1300, protection board 1300 sets up and is located one side that lamp plate 1110 deviates from the light-emitting side around lamp plate 1110, and second accommodation space 200 is injectd with lamp plate 1110 to protection board 1300. Specifically, one end of the protection plate 1300 may be directly connected with one end of the light shielding plate 1220 to form a whole, the light emitting assembly 1100 is disposed between the protection plate 1300 and the light shielding plate 1220, and the materials for forming the protection plate 1300 and the light shielding plate 1220 may be the same or different, that is, one end of the light emitting assembly 1100 facing the light emitting side is located in the first accommodating space 100, one end of the light emitting assembly 1100 facing away from the light emitting side is located in the second accommodating space 200, and the light shielding plate 1220 and the protection plate 1300 can protect the light emitting assembly 1100, thereby preventing the light emitting assembly 1100 from being scratched.

According to some embodiments of the present invention, in order to further protect the light emitting assembly 1100, the first accommodating space 100 and/or the second accommodating space 200 has a protective adhesive therein, and the protective adhesive covers at least a part of the surface of the lamp panel 1110. Thereby, the waterproof performance of the light emitting panel 1000 is further improved.

According to some embodiments of the present invention, there are two manufacturing methods for the cover body assembly 1200 formed by the diffuser plate 1210 and the light screen 1220, one is to increase the shading effect of the non-light-emitting surface 300 (refer to fig. 4) by using a shading and spraying jig after the mold is formed (including the shading and spraying process groove 1400), but the fluidity of the liquid paint can cause the paint to flow into the light-emitting surface 300, which affects the display effect and the appearance effect of the whole light-emitting panel 1000, and cannot meet the light-emitting requirement, although the scheme can increase the material matching of different haze in the injection mold forming process, the light-emitting effect of different haze can be realized very conveniently and quickly, but the whole realization period is long and the cost is high (the mold cost is high); another method is to form a material distribution and bonding manner, the surface of the diffusion plate 1210 contacting the light shielding plate 1220 is provided with a bonding glue layer, after the light emitting assembly 1100, the diffusion plate 1210 and the light shielding plate 1220 are processed separately, the light emitting assembly 1100, the diffusion plate 1210 and the light shielding plate 1220 are bonded into a whole by bonding, so that the problems of poor appearance and paint flowing into the light emitting surface 300 caused by paint spraying can be avoided, and the requirements of the width of the light emitting surface 300 and the light emitting haze can be ensured.

According to some embodiments of the present invention, the material forming the light shield 1220 may be ABS, PC or PE. The thickness of the light shielding plate 1220 is not particularly limited, and may be designed according to different applications of the light emitting assembly 1100, for example, the thickness of the light shielding plate 1220 may be 1.5mm to 2.5mm.

In another aspect of the present invention, a display device is provided, which includes the light-emitting panel 1000, and has all the features and advantages of the light-emitting panel 1000, which will not be described herein again. In general, the light-emitting surface 300 is adjustable, and the light-emitting lines are sharper.

According to the utility model discloses a some embodiments, display device's shape is not restricted especially, can be for special-shaped display device, specifically, can carry out the patterning design with display device according to display device's concrete usage, when making its light satisfy haze, acutance requirement, has better display effect.

According to the utility model discloses a some embodiments, display device can include bar display part, and the width of bar display part is not more than 11mm. Specifically, the width of the lamp panel 1110 may be 6.5mm, the width of the light shielding plate 1220 may be 2mm, and since there is a tolerance in the assembly process, the width of the bar display part may not be greater than 11mm, thereby reducing the width of the bar display part while the light emitted from the display device satisfies the requirements of haze and sharpness, and simultaneously, when it is used for preparing the anisotropic display device, the volume of the display device may be reduced, and the display effect may be improved. According to some embodiments of the present invention, the display device may further have a hollow area, the hollow area is formed by surrounding the bar display portion, that is, the bar display portion may be bent and surrounded to form different patterns.

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", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element 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, 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 implicitly indicating 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 present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "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 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.

While embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (13)

1. A light-emitting panel, comprising:

the LED lamp comprises a light emitting assembly, a light emitting module and a control circuit, wherein the light emitting assembly comprises a lamp panel and a plurality of LEDs arranged on the lamp panel;

the light emitting module comprises a light emitting module, a light emitting module and a cover body assembly, wherein the cover body assembly comprises a light shielding plate and a diffusion plate, the cover body assembly is located on the light emitting side of the light emitting module, the light shielding plate surrounds the light emitting module and defines a first accommodating space with the lamp panel, the light emitting diode is located in the first accommodating space, at least part of the area of the light shielding plate is provided with an opening penetrating along the thickness direction, and the diffusion plate covers the opening.

2. The luminescent panel according to claim 1, wherein the diffusion plate has a haze of 65% to 90%.

3. The luminescent panel according to claim 2, wherein a diameter of the opening is 4.5mm to 5mm.

4. The luminescent panel according to claim 3, wherein a distance between the diffusion plate and the surface of the light emitting diode is 2mm to 3mm.

5. The luminescent panel according to claim 1, further comprising: the protection shield, the protection shield centers on the lamp plate sets up and is located the lamp plate deviates from one side of light-emitting side, the protection shield with the second accommodation space is injectd to the lamp plate.

6. The light-emitting panel according to claim 5, wherein a protective adhesive is provided in the first accommodating space and/or the second accommodating space, and the protective adhesive covers at least part of the surface of the lamp panel.

7. The luminescent panel according to claim 1, wherein a surface of the diffusion plate which contacts the light-shielding plate has an adhesive layer.

8. The luminescent panel according to claim 1, wherein a material forming the light-shielding plate is ABS, PC, or PE.

9. The luminescent panel according to claim 1, wherein a material forming the diffusion plate is ABS, PC, or PE, and the diffusion plate further has a light diffusing agent thereon.

10. A display device characterized by comprising the light-emitting panel according to any one of claims 1 to 9.

11. A display device as claimed in claim 10, characterized in that the display device is a profiled display device.

12. A display device as claimed in claim 11, characterised in that the display device comprises a bar display having a width of no more than 11mm.

13. The display device according to claim 12, wherein the display device further has a hollowed-out area formed by the bar display portion in a surrounding manner.

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