Backlight source structure with soft light

Abstract

The utility model discloses a backlight source structure with soft light, which relates to the technical field of backlight sources and comprises an injection molding frame, and a reflecting sheet, a light guide plate, a lower diffusion sheet, a lower prismatic lens, an upper prismatic lens and an upper diffusion sheet which are sequentially stacked in the injection molding frame, the upper side and the lower side of one side of the light-emitting light source are covered with a circle of reflection cups. According to the utility model, the light-emitting light source is covered with the circle of reflection cup, so that light rays emitted by the light-emitting light source can be gathered and emitted to the light guide plate through the arrangement of the reflection cup during use, the phenomenon that the light rays are diffused towards the upper side and the lower side is avoided, and the phenomenon that light is emitted unevenly is avoided; and by arranging the light shield, light can be prevented from being emitted from gaps of the injection molding frame, so that the phenomenon of frame light leakage is avoided, the use effect of the device is effectively improved, and the practicability of the device is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of backlights, and specifically to a c with soft light. Background Technique

[0002] Liquid crystal displays are widely used in the field of display technology. The display of liquid crystals is usually achieved by forming an electric field between two conductive glasses to drive the liquid crystals located between the conductive glasses. However, liquid crystals themselves cannot emit light, so an external light source is needed to truly achieve the display function, usually by adding a backlight structure of LEDs or other external light sources.

[0003] In the patent with the Chinese patent publication number CN107300736A, a backlight structure with a light-shielding film is proposed. By changing the structure of the light-attaching film, the backlight structure with the light-shielding film is surrounded by a light-shielding film around the four sides of the backlight structure. Attaching one light-shielding film at a time replaces attaching three light-shielding films three times, covering all the corner parts of the light guide plate, eliminating light leakage at the corner parts of the light guide plate, effectively solving the problem of light leakage at the corner parts of the light guide plate, and being easy to realize automatic assembly, improving production efficiency. However, through research on the prior art, it is found that the existing backlight structure is composed of a bottom frame, a brightness enhancement film, a diffusion film, a light guide plate, and a lamp strip. The existing backlight structure is prone to light leakage and uneven light emission. Therefore, the utility model hereby proposes a backlight structure with soft light. Content of the Utility Model

[0004] Technical Problem to be Solved

[0005] The purpose of the utility model is to make up for the deficiencies of the prior art and provide a backlight structure with soft light.

[0006] Technical Solution

[0007] To achieve the above purpose, the utility model provides the following technical solution: A backlight structure with soft light, including an injection-molded frame, a reflective sheet, a light guide plate, a lower diffusion sheet, a lower prism sheet, an upper prism sheet, and an upper diffusion sheet stacked in sequence in the injection-molded frame. A light-emitting light source surrounding the light guide plate is arranged at the edge of the light guide plate. A reflective cup is covered on the upper and lower sides of one side of the light-emitting light source. A light-shielding cover is fixedly connected to the inner parts of the four sides of the injection-molded frame. The light-shielding cover surrounds the outside of the reflective cup. By covering a reflective cup around the outside of the light-emitting light source, the reflective cup can make the light emitted by the light-emitting light source converge and emit towards the light guide plate during use, so that the light will not diffuse upward and downward, avoiding the occurrence of uneven light emission. And a light-shielding cover is also arranged outside the reflective cup. The setting of the light-shielding cover can prevent the light from escaping from the gap of the injection-molded frame, thereby avoiding the generation of light leakage at the frame, effectively improving the use effect of the device and enhancing the practicability of the device.

[0008] Preferably, the injection-molded frame is composed of upper and lower semi-frames. Clamping grooves are provided on both the upper and lower semi-frames. One side of the light-shielding cover is provided with a rail structure adapted to the clamping grooves, and the number of the clamping grooves and the rail structure is several.

[0009] Preferably, connection grooves are provided in both the upper and lower semi-frames, and the upper and lower semi-frames are hermetically connected through the connection grooves.

[0010] Preferably, a plurality of connection holes are provided inside both the upper and lower semi-frames, and connection screws are inserted into the connection holes.

[0011] Preferably, the reflector cup is of an integrally formed structure, and the light-shielding cover is also of an integrally formed structure.

[0012] Preferably, the light-shielding cover covers the outside of the reflector cup.

[0013] Preferably, the light-shielding cover and the reflector cup are fixed together through an adhesive structure.

[0014] Advantageous effects:

[0015] Compared with the prior art, the backlight structure with soft light has the following advantageous effects:

[0016] In the present utility model, a reflector cup is arranged in a circle outside the light-emitting source. When in use, the reflector cup can make the light emitted by the light-emitting source converge and be emitted to the light guide plate, so that the light will not diffuse upward and downward, avoiding the phenomenon of uneven light output. In addition, a light-shielding cover is arranged outside the reflector cup, and the light-shielding cover can prevent the light from leaking out through the gaps of the injection-molded frame, thereby avoiding the phenomenon of frame light leakage, effectively improving the use effect of the device, and enhancing the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0018] Figure 1 is a schematic structural diagram of the present utility model;

[0019] Figure 2 is a schematic cross-sectional structural diagram of the present utility model;

[0020] Figure 3This is a schematic structural diagram of the clamping groove of the present utility model.

[0021] In the figure:

[0022] 1. Injection-molded frame; 2. Reflective sheet; 3. Light guide plate; 4. Lower diffusion sheet; 5. Lower prism sheet; 6. Upper prism sheet; 7. Upper diffusion sheet; 8. Light-emitting light source; 9. Reflector cup; 10. Light-shielding cover; 101. Half-frame; 102. Clamping groove; 103. Connecting groove; 104. Connecting hole; 105. Connecting screw; 1001. Clamping rail structure. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1 to 3 As shown, the present utility model provides a technical solution: a backlight structure with soft light, including an injection-molded frame 1, a reflective sheet 2, a light guide plate 3, a lower diffusion sheet 4, a lower prism sheet 5, an upper prism sheet 6, and an upper diffusion sheet 7 stacked in sequence in the injection-molded frame 1. A light-emitting light source 8 surrounding the periphery is arranged at the edge of the light guide plate 3. A reflector cup 9 is covered on the upper and lower sides on one side of the light-emitting light source 8. A light-shielding cover 10 is fixedly connected to the inner parts of the four sides of the injection-molded frame 1, and the light-shielding cover 10 surrounds the outside of the reflector cup 9. By covering a reflector cup 9 outside the light-emitting light source 8, the reflector cup 9 can make the light emitted by the light-emitting light source 8 converge and emit towards the light guide plate 3 during use, so that the light will not diffuse upwards and downwards, avoiding the phenomenon of uneven light output. Moreover, a light-shielding cover 10 is also arranged outside the reflector cup 9. The light-shielding cover 10 can prevent the light from leaking out through the gaps of the injection-molded frame 1, thereby avoiding the phenomenon of frame light leakage, effectively improving the use effect of the device, and enhancing the practicability of the device.

[0025] Please focus on referring to Figure 2 , the injection-molded frame 1 is composed of upper and lower half-frames 101. Clamping grooves 102 are arranged on both the upper and lower half-frames 101. A clamping rail structure 1001 adapted to the clamping groove 102 is arranged on one side of the light-shielding cover 10. The number of the clamping grooves 102 and the clamping rail structure 1001 is several.

[0026] Please focus on referring to Figure 2 and Figure 3, connection grooves 103 are provided in both the upper and lower half frames 101. The upper and lower half frames 101 are hermetically connected through the connection grooves 103. A plurality of connection holes 104 are provided inside the upper and lower half frames 101, and connection screws 105 are inserted through the connection holes 104.

[0027] Please refer specifically to Figure 1 , the reflector cup 9 is an integrally formed structure, and the light shield 10 is also an integrally formed structure. The light shield 10 covers the outside of the reflector cup 9, and the light shield 10 and the reflector cup 9 are fixed together through an adhesive structure.

[0028] Working principle: A reflector cup 9 is covered around the light-emitting light source 8. The setting of the reflector cup 9 can make the light emitted by the light-emitting light source 8 converge and emit towards the light guide plate 3, so that the light will not spread to the upper and lower sides, avoiding the phenomenon of uneven light output. Moreover, a light shield 10 is provided on the outer side of the reflector cup 9. The setting of the light shield 10 can prevent the light from leaking out through the gaps of the injection molding frame 1, thereby avoiding the phenomenon of light leakage from the frame.

[0029] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0030] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A backlight structure with soft light, comprising an injection molding frame (1), a reflective sheet (2), a light guide plate (3), a lower diffusion sheet (4), a lower prism sheet (5), an upper prism sheet (6), and an upper diffusion sheet (7) stacked in sequence in the injection molding frame (1), characterized in that: A light-emitting light source (8) surrounding the entire circumference is provided at the edge of the light guide plate (3). A reflecting cup (9) is provided on both the upper and lower sides of one side of the light-emitting light source (8). A light-shielding cover (10) is fixedly connected to the inside of the four side edges of the injection molding frame (1), and the light-shielding cover (10) surrounds the outside of the reflecting cup (9).

2. The backlight structure with soft light according to claim 1, characterized in that: The injection molding frame (1) is composed of upper and lower semi-frames (101). Clamping grooves (102) are provided on both the upper and lower semi-frames (101). A rail structure (1001) adapted to the clamping groove (102) is provided on one side of the light-shielding cover (10). The number of the clamping grooves (102) and the rail structure (1001) is several.

3. The backlight structure with soft light according to claim 2, characterized in that: Connection grooves (103) are provided in both the upper and lower semi-frames (101), and the upper and lower semi-frames (101) are hermetically connected through the connection grooves (103).

4. The backlight structure with soft light according to claim 2, characterized in that: A plurality of connection holes (104) are provided inside both the upper and lower semi-frames (101), and connection screws (105) are inserted through the inside of the connection holes (104).

5. The backlight structure with soft light according to claim 1, characterized in that: The reflecting cup (9) is an integrally formed structure, and the light-shielding cover (10) is also an integrally formed structure.

6. The backlight structure with soft light according to claim 1, characterized in that: The light-shielding cover (10) covers the outside of the reflecting cup (9).

7. The backlight structure with soft light according to claim 1, characterized in that: The light-shielding cover (10) and the reflecting cup (9) are fixed together through an adhesive structure.

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