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 same

technical field

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

Background technique

The current light-emitting panel usually includes a light-emitting component and a lampshade. The light generated by the light-emitting component is irradiated to the outside world through the lampshade. However, the current light-emitting panel generally has a problem that the light-emitting surface is large, and the light cannot present a sense of line. LED is called the fourth-generation lighting source or green light source. It has the characteristics of energy saving, environmental protection, long life, and small size. It can be widely used in various indications, displays, decorations, backlights, general lighting and urban night scenes. For LED lights, the width of the lamp holder has reached its limit, and it is no longer possible to optimize the light output effect by reducing the width of the lamp holder.

Therefore, the current light-emitting panel still needs further improvement.

Utility model content

The utility model aims to solve one of the technical problems in the related art at least to a certain extent. Therefore, an object of the present invention is to provide a light-emitting panel. The light-emitting panel involved in the utility model can be designed according to different light-emitting effects, the light-emitting surface of the light-emitting panel can be adjusted, and at the same time, the sharpness of the light-emitting lines can be ensured, and the display effect can be optimized.

In one aspect of the present utility model, a light-emitting panel is proposed, including a light-emitting assembly, the light-emitting assembly includes a lamp board and a plurality of light-emitting diodes arranged on the lamp board; a cover assembly, the cover assembly includes A shading plate and a diffusion plate, the cover assembly is located on the light-emitting side of the light-emitting assembly, the shading plate is arranged around the light-emitting assembly and defines a first accommodation space with the lamp board, and the light-emitting diode is located on the In the first accommodating space, at least a partial area of the shading plate has an opening penetrating in a thickness direction, and the diffusion plate covers the opening.

In the luminous panel involved in the utility model, the cover assembly is formed by an opaque shading plate and a diffusion plate, and the light-emitting diode is arranged in the accommodation space formed by the shading plate, the diffusion plate and the lamp plate, and the light emitted by the light-emitting diode is only passed through the diffuser. The light emitting surface is narrowed, and the light emitted by the light emitting diode is prevented from being divergent through the entire mask of the cover body assembly, thereby improving the light emitting effect. Moreover, 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 present utility model, the haze of the diffusion plate is 65%-90%.

According to some embodiments of the present utility model, the diameter of the opening is 4.5mm˜5mm.

According to some embodiments of the present utility model, the distance between the diffusion plate and the surface of the LED is 2mm˜3mm.

According to some embodiments of the present invention, the light-emitting panel further includes a protection plate, which is arranged around the light panel and is located on the side of the light panel away from the light-emitting side, and the protection plate and the The light board defines a second accommodation space.

According to some embodiments of the present invention, there is protective glue in the first accommodation space and/or the second accommodation space, and the protective glue covers at least part of the surface of the light board.

According to some embodiments of the present utility model, the surface of the diffusion plate in contact with the light shielding plate has an adhesive layer.

According to some embodiments of the present utility model, the material forming the light-shielding plate is ABS, PC or PE.

According to some embodiments of the present invention, the material forming the diffusion plate is ABS, PC or PE, and the diffusion plate is further provided with a light diffusing agent.

In another aspect of the present invention, a display device is proposed, including the aforementioned light-emitting panel. The display device has all the features and advantages of the aforementioned light-emitting panel, which will not be repeated here. Generally speaking, at least it has the advantages of adjustable light-emitting surface and sharper light-emitting lines.

According to some embodiments of the present utility model, the display device is a special-shaped display device.

According to some embodiments of the present invention, the display device includes a bar-shaped display part, and the width of the bar-shaped display part is not greater than 11 mm.

According to some embodiments of the present invention, the display device further has a hollow area, and the hollow area is surrounded by the bar-shaped display part.

Description of drawings

The above and/or additional aspects and advantages of the present utility model will become apparent and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

Figure 1 shows a schematic structural view of a light-emitting panel according to an embodiment of the present invention;

Fig. 2 is a schematic structural diagram of a light-emitting panel in the prior art;

Fig. 3 shows a schematic diagram showing the light output effect of the target;

Fig. 4 shows a schematic structural view of the utility model for preparing a light-emitting panel through a light-shielding fixture.

Reference signs:

1000': light-emitting panel; 1100': transparent mask; 300': light-emitting surface; 1110': light board; 1120': light-emitting diode; 1000: light-emitting panel; 1100: light-emitting component; 1110: light board; 1200: cover body assembly; 1210: diffusion plate; 1220: shading plate; 100: first storage space; 200: second storage space; 1300: protective plate;

detailed description

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model, but should not be construed as limiting the present utility model.

In one aspect of the present invention, a light-emitting panel 1000 is proposed. Referring to FIG. 1 , the light-emitting panel 1000 includes a light-emitting component 1100 and a cover component 1200 .

Wherein, the light-emitting assembly 1100 includes a lamp board 1110 and a plurality of LEDs 1120 arranged on the lamp board 1110. Specifically, a plurality of LEDs 1120 can be arranged in the center of the lamp board 1110, and copper wires are arranged around the LEDs 1120 for conduction. Current, the cover assembly 1200 includes a shading plate 1220 and a diffuser plate 1210, the cover assembly 1200 is located on the light emitting side of the light emitting assembly 1100, the shading plate 1220 is arranged around the light emitting assembly 1100 and defines the first accommodation space 100 with the lamp board 1110, and the light emitting diode 1120 is located in the first accommodating space 100 , at least a partial area of the light shielding plate 1220 has an opening 1221 penetrating through the thickness direction, and the diffusion plate 1210 covers the opening 1221 . The light-emitting panel 1000 involved in the utility model can be designed according to different light-emitting effects, and the light-emitting surface of the light-emitting panel 1000 can be adjusted, while ensuring the sharpness of the light-emitting lines and optimizing the display effect.

The principle that the utility model can realize the above-mentioned beneficial effects is described in detail below:

Referring to Fig. 2, the light-emitting panel 1000' in the prior art uses a transparent mask 1100', and the light emitted by the light-emitting diode 1120' on the light panel 1110' has an angle of 120°, and can be emitted through the transparent mask 1100' Going out, the light-emitting surface 300' is too large to present the sense of lines. At present, the width of the lamp panel 1110' has reached the limit in the industry, and it is impossible to continue to compress the width of the lamp panel 1110', so the goal of reducing the light output surface cannot be achieved by reducing the width of the lamp panel 1110'. For the light-emitting panel 1000 involved in the present utility model, refer to FIG. 3 for the light-emitting effect. The cover assembly 1200 is formed by an opaque light-shielding plate 1220 and a diffusion plate 1210. In the formed first accommodation space 100, the light emitted by the light emitting diodes 1120 is only emitted through the diffuser plate 1210, reducing the light emitting surface 300, preventing the light emitted by the light emitting diodes 1120 from being divergent through the entire mask of the cover assembly 1200, and making the light emitting lines more compact. sharp. Moreover, the size of the opening 1221 on the shading plate 1220 can be designed according to different light emitting effects, so as to meet different light emitting requirements.

According to some embodiments of the present utility model, in order to better adjust the sharpness of the light lines, the haze of the diffuser plate 1210 can be 65% to 90%, for example, it can be 70%, 75%, 80%, 85% and 90%, etc. Specifically, it can 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 can present the best light-emitting effect.

According to some specific embodiments of the present utility model, the material forming the diffuser plate 1210 is ABS, PC or PE, and the diffuser plate further has a light diffusing agent, which can be selected according to different uses of the light emitting panel 1000 . For example, PC with better toughness and light diffusing agent can be selected for re-injection, adding light diffusing agent in the diffuser plate can enhance the transmission and scattering of light, so as to form the diffuser plate 1210 with different haze. According to some specific embodiments of the present utility model, the thickness of the diffuser plate 1210 is not particularly limited. Specifically, in this application, the thickness of the diffuser plate 1210 may be 1mm˜3mm.

According to some specific embodiments of the present utility model, referring to Fig. 1, the size of the opening on the light-shielding plate 1220 can be designed according to the different uses of the light-emitting panel 1000 and different light emission requirements. Specifically, in this application, the diameter of the opening can be 4.5mm ~5mm, for example, the opening can be 4.6mm, 4.7mm, 4.8mm or 4.9mm, thus, the brightness of the light-emitting panel 1000 can reach 1000nits, so that the light-emitting panel 1000 can meet the requirements of both sharpness and brightness , to achieve the best luminous effect. It should be noted that the diameter of the opening referred to here may also refer to the distance between the two disconnected light-shielding plates 1220 above the light emitting assembly 1100 .

According to some embodiments of the present utility model, 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 can design according to the purpose of the light emitting panel 1000. In order to further optimize the brightness of the light emitting panel 1000, the diffusion The distance between the board 1210 and the surface of the LED 1120 may be 2mm-3mm, for example, 2.1mm, 2.2mm, 2.3mm, 2.4mm, 2.5mm, 2.6mm, 2.7mm, 2.8mm and 2.9mm. If the distance between the diffusion plate 1210 and the light emitting diodes 1120 is too large, the brightness of the light emitting panel 1000 will be reduced to a certain extent.

According to some embodiments of the present utility model, referring to FIG. 1 , in order to further protect the light emitting panel 1000 and prevent the light emitting assembly 1100 from being damaged by external force, the light emitting panel 1000 may further include a protective plate 1300 which is arranged around the light plate 1110 and located at the lamp The side of the board 1110 away from the light-emitting side, the protection board 1300 and the light board 1110 define a second accommodation space 200 . Specifically, one end of the protection plate 1300 can be directly connected to one end of the light shielding plate 1220 to form a whole, the light-emitting component 1100 is arranged between the protection plate 1300 and the light shielding plate 1220, and the materials forming the protection plate 1300 and the light shielding plate 1220 can be the same or can be The difference is that the end of the light-emitting component 1100 facing the light-emitting side is located in the first storage space 100, and the end of the light-emitting component 1100 facing away from the light-emitting side is located in the second storage space 200. The light shielding plate 1220 and the protective plate 1300 can protect the light emitting component 1100 to avoid The light emitting component 1100 is scratched.

According to some embodiments of the present invention, in order to further protect the lighting assembly 1100 , there is protective glue in the first accommodation space 100 and/or the second accommodation space 200 , and the protective glue covers at least part of the surface of the light board 1110 . Thus, the waterproof performance of the light emitting panel 1000 is further improved.

According to some embodiments of the present utility model, there are two manufacturing methods for the cover assembly 1200 formed by the diffuser plate 1210 and the light shielding plate 1220, one is to add spray shielding fixtures after mold processing (including the spray spray process tank 1400) Complete the shading effect of the non-light-emitting surface 300 (refer to Figure 4), but the fluidity of the liquid paint will cause the paint to flow into the light-emitting surface 300, affecting the display effect and appearance of the entire light-emitting panel 1000, which cannot meet the lighting requirements, although this solution can Adding materials with different hazes during the molding process of the injection mold can conveniently and quickly realize the light output effect of different hazes, but the entire realization cycle is long and the cost is high (mold cost is high); In the form of material bonding, the surface of the diffusion plate 1210 in contact with the light shielding plate 1220 has an adhesive layer. After the light emitting component 1100, the diffusion plate 1210 and the light shielding plate 1220 are processed separately, the light emitting component 1100 and the light shielding plate 1210 are bonded together. Bonding with the shading plate 1220 as a whole can avoid the poor appearance caused by painting and the problem of paint flowing into the light-emitting surface 300 , and at the same time can ensure the width of the light-emitting surface 300 and the requirements of luminous haze.

According to some embodiments of the present invention, the material forming the light shielding plate 1220 may be ABS, PC or PE. It should be noted that the thickness of the light-shielding plate 1220 is not particularly limited, and may be designed according to different uses of the light-emitting component 1100 , for example, the thickness of the light-shielding plate 1220 may be 1.5mm˜2.5mm.

In another aspect of the present invention, a display device is proposed, including the above-mentioned light-emitting panel 1000 , the display device has all the features and advantages of the above-mentioned light-emitting panel 1000 , which will not be repeated here. Generally speaking, it has at least the advantages of adjustable light-emitting surface 300 and sharper light-emitting lines.

According to some embodiments of the present invention, the shape of the display device is not particularly limited, and it can be a special-shaped display device. Specifically, the display device can be patterned according to the specific use of the display device, so that the light meets the requirements of haze, sharpness, and sharpness. At the same time, it has better display effect.

According to some embodiments of the present invention, the display device may include a bar-shaped display part, and the width of the bar-shaped display part is not greater than 11 mm. Specifically, the width of the light board 1110 can be 6.5mm, and the width of the light shielding plate 1220 can be 2mm. Due to the tolerance in the assembly process, the width of the bar-shaped display part can not be greater than 11mm, so that the light output of the display device can meet While meeting the requirements of haze and sharpness, the width of the bar-shaped display part can be reduced. At the same time, when it is used to prepare a heterogeneous display device, the volume of the display device can be reduced and the display effect can be improved. According to some specific embodiments of the present invention, the display device may further have a hollow area, and the hollow area is formed by surrounding the bar-shaped display part, that is, the bar-shaped display part can form different patterns by bending and surrounding.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" The orientation or positional relationship indicated by , "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying the referred device Or elements must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

In this utility model, unless otherwise specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connection, or integration; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

In the present invention, unless otherwise clearly specified and limited, the first feature may be in direct contact with the first feature or the first feature and the second feature through an intermediary indirect contact. Moreover, "above", "above" and "above" the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. "Below", "beneath" and "beneath" the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structures, materials or features are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without conflicting with each other.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and should not be construed as limitations of the present invention, and those skilled in the art are within the scope of the present invention. Variations, modifications, substitutions and variations can be made to the above-described embodiments.

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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