Backlight structure for optimizing halo of lamp socket

Abstract

The utility model relates to the technical field of backlight components, in particular to a backlight structure for optimizing halo of a lamp socket, which comprises an upper brightness enhancement film, a lower brightness enhancement film, a diffusion film, a light guide plate body, a reflector plate and a support frame, an LED lamp strip is arranged at one end of the light guide plate body and comprises a substrate and a plurality of LED lamp beads, and the LED lamp beads are arranged on the substrate. A reflective adhesive film is arranged on the upper surface of the substrate in the length direction of the substrate, a black ink layer is arranged on the upper surface of the reflective adhesive film in the length direction of the reflective adhesive film, the black ink layer is located on the side, away from the LED lamp beads, of the reflective adhesive film, and a light transmitting opening is formed between every two adjacent light guide plate adhesive glue. The backlight module is ingenious in design, the black ink layer is arranged on the side, away from the LED lamp beads, of the upper surface of the reflection adhesive film in a silk-screen mode, light overflowing at the edge of the LED lamp strip is effectively absorbed through the light absorption effect of the black ink layer, the halo phenomenon of a backlight source lamp socket is effectively optimized, the overall backlight effect is more uniform, and the backlight quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of backlight components, in particular to a backlight structure for optimizing the halo of a lamp port. Background Art

[0002] With the development of backlight technology, narrow-frame backlight has gradually become the current market technology demand, but narrow-frame backlight faces the problem of short light path of LED light source, difficult backlight effect debugging, and the problem of halo at the lamp mouth has not been improved. At present, the backlight source of mobile phones usually uses a plastic outer frame buckle joint spliced ​​with an iron (aluminum) frame or uses a plastic plastic and iron (aluminum) frame as an outer frame. A shading film is pasted on the outer frame, one side is used to paste and fix the optical film material, and the other side is pasted with the LCD screen. The touch screen or glass cover is pasted on the display screen, and the touch screen or glass cover is pasted on the mobile phone shell. The distance between the backlight LED and the inner viewing area of ​​the shading film is getting smaller and smaller with the development of narrow frame. The shading film cannot effectively block the overflow light of the LED, and the light source end is prone to cause the halo phenomenon at the lamp mouth. Summary of the invention

[0003] In view of the problems of the prior art, the utility model provides a backlight structure for optimizing the halo of the lamp port. The structure has an ingenious design. A black ink layer is silk-screened on the upper surface of the reflective adhesive film on the side away from the LED lamp beads. The light absorption effect of the black ink layer is utilized to effectively absorb the light overflow from the edge of the LED light bar, thereby effectively optimizing the halo phenomenon of the lamp port of the backlight source, making the overall backlight effect more uniform and improving the backlight quality. In addition, a light-transmitting opening is provided between the adhesive bonding adhesives of two adjacent light guide plates, and the LED lamp beads are exposed in the light-transmitting opening to avoid loss of backlight brightness.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] The utility model provides a backlight structure for optimizing the halo of a lamp port, comprising an upper light-enhancing film, a lower light-enhancing film, a diffusion film, a light guide plate body, a reflective sheet and a supporting frame, wherein the upper light-enhancing film, the lower light-enhancing film, the diffusion film, the light guide plate body and the reflective sheet are sequentially arranged in the supporting frame from top to bottom; an LED light bar is arranged at one end of the light guide plate body, wherein the LED light bar comprises a substrate and a plurality of LED lamp beads, wherein the plurality of LED lamp beads are arranged on the substrate in a row at equal intervals, and the plurality of LED lamp beads are distributed along the length direction of the substrate, wherein a reflective adhesive film is arranged on the upper surface of the substrate along the length direction thereof, wherein a black ink layer is arranged on the upper surface of the reflective adhesive film along the length direction thereof, wherein the black ink layer is located on a side of the reflective adhesive film away from the LED lamp beads, wherein a plurality of light guide plate adhesives are arranged in a row at equal intervals on the upper surface of the reflective adhesive film along the length direction thereof, wherein the black ink layer is located between the light guide plate adhesive and the reflective adhesive film, and a light-transmitting port is arranged between two adjacent light guide plate adhesives, and the LED lamp beads are exposed from the light-transmitting port.

[0006] Among them, a light guide plate fixing glue is provided at one end of the bottom wall of the support frame away from the LED light strip, the light guide plate body is connected to the bottom wall of the support frame through the light guide plate fixing glue, and the LED light strip is bonded to one end of the light guide plate body through the light guide plate adhesive glue.

[0007] Wherein, a reflective white strip is arranged at one end of the support frame close to the LED lamp bead.

[0008] Wherein, the support frame is a rubber iron frame or a rubber aluminum frame.

[0009] Wherein, a light-shielding adhesive layer is provided on the outer edge of the upper end of the support frame.

[0010] Beneficial effects of the utility model:

[0011] The utility model is cleverly designed. A black ink layer is silk-screened on the upper surface of the reflective adhesive film on the side away from the LED lamp beads. The light absorption effect of the black ink layer is utilized to effectively absorb the light overflow from the edge of the LED light strip, thereby effectively optimizing the halo phenomenon of the backlight source lamp mouth, making the overall backlight effect more uniform and improving the backlight quality. In addition, a light-transmitting opening is provided between the adhesive bonding adhesives of two adjacent light guide plates, and the LED lamp beads are exposed at the light-transmitting opening to avoid loss of backlight brightness. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The utility model is a schematic structural diagram of a backlight structure for optimizing the halo of a lamp holder.

[0013] Figure 2 It is a schematic diagram of the structure of the LED light strip of the present utility model.

[0014] exist Figure 1 to Figure 2 Reference numerals in the drawings include:

[0015] 1. Light-shielding adhesive layer; 2. Upper light-enhancing film; 3. Lower light-enhancing film; 4. Diffusion film; 5. Light guide plate body; 6. Reflective sheet; 7. Support frame; 8. LED light strip; 9. LED lamp beads; 10. Reflective adhesive film; 11. Black ink layer; 12. Light guide plate adhesive; 13. Light guide plate fixing adhesive; 14. Reflective white strip. DETAILED DESCRIPTION

[0016] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with the embodiments and drawings, and the contents mentioned in the implementation modes are not intended to limit the present invention. The present invention is described in detail below in conjunction with the drawings.

[0017] like Figure 1 to Figure 2 As shown, a backlight structure for optimizing the halo of a lamp port comprises an upper light-enhancing film 2, a lower light-enhancing film 3, a diffusion film 4, a light guide plate body 5, a reflective sheet 6 and a support frame 7. The upper light-enhancing film 2, the lower light-enhancing film 3, the diffusion film 4, the light guide plate body 5 and the reflective sheet 6 are sequentially arranged in the support frame 7 from top to bottom; an LED light bar 8 is arranged at one end of the light guide plate body 5, and the LED light bar 8 comprises a substrate and a plurality of LED lamp beads 9. The plurality of LED lamp beads 9 are arranged on the substrate in a row at equal intervals, and the plurality of LED lamp beads 9 are arranged along the length of the substrate. A reflective adhesive film 10 is arranged on the upper surface of the substrate along its length direction, a black ink layer 11 is arranged on the upper surface of the reflective adhesive film 10 along its length direction, the black ink layer 11 is located on the side of the reflective adhesive film 10 away from the LED lamp beads 9, a plurality of light guide plate adhesives 12 are arranged in a row at equal intervals on the upper surface of the reflective adhesive film 10 along its length direction, the black ink layer 11 is located between the light guide plate adhesive 12 and the reflective adhesive film 10, a light transmission port is arranged between two adjacent light guide plate adhesives 12, and the LED lamp beads 9 are exposed at the light transmission port. Specifically, the embodiment of the present application screen-prints a black ink layer 11 on the upper surface of the reflective adhesive film 10 on the side away from the LED lamp beads 9, and utilizes the light absorption effect of the black ink layer 11 to effectively absorb the light overflow from the edge of the LED light bar 8, effectively optimize the halo phenomenon of the backlight source lamp mouth, make the overall backlight effect more uniform, and improve the backlight quality; in addition, a light-transmitting port is provided between two adjacent light guide plate adhesives 12, and the LED lamp beads 9 are exposed at the light-transmitting port to avoid loss of backlight brightness.

[0018] Preferably, the reflective adhesive film 10 is screen-printed with a black ink layer 11 only on the side away from the LED lamp beads 9, and the white reflective adhesive film 10 is retained near the LED lamp beads 9 to prevent excessive light from being absorbed by the screen printing, resulting in a loss of overall backlight brightness.

[0019] In the embodiment of the present application, a light guide plate fixing glue 13 is provided at one end of the bottom wall of the support frame 7 away from the LED light bar 8, the light guide plate body 5 is connected to the bottom wall of the support frame 7 via the light guide plate fixing glue 13, and the LED light bar 8 is bonded to one end of the light guide plate body 5 via the light guide plate bonding glue 12. Specifically, under the above arrangement, the assembly connection between the LED light bar 8, the light guide plate body 5 and the support frame 7 is achieved.

[0020] In the embodiment of the present application, a reflective white strip 14 is provided at one end of the support frame 7 close to the LED lamp bead 9. Specifically, under this setting, light can be shielded on the one hand, and light can be reflected on the other hand to improve brightness.

[0021] In the embodiment of the present application, the support frame 7 is a plastic iron frame or a plastic aluminum frame; it is a conventional structure and will not be described in detail here.

[0022] In the embodiment of the present application, a light shielding adhesive layer 1 is provided at the outer edge of the upper end of the support frame 7. Specifically, under this arrangement, it plays a role in preventing light leakage from the outer edge.

[0023] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model is disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this profession can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content disclosed above without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiments according to the technology of the utility model, which does not depart from the content of the technical solution of the utility model, belongs to the scope of the technical solution of the utility model.

Claims

1. A backlight structure for optimizing lamp halo, characterized in that: The invention comprises an upper light-enhancing film, a lower light-enhancing film, a diffusion film, a light guide plate body, a reflective sheet and a supporting frame, wherein the upper light-enhancing film, the lower light-enhancing film, the diffusion film, the light guide plate body and the reflective sheet are sequentially arranged in the supporting frame from top to bottom; an LED light bar is arranged at one end of the light guide plate body, wherein the LED light bar comprises a substrate and a plurality of LED lamp beads, wherein the plurality of LED lamp beads are arranged on the substrate in a row at equal intervals, and the plurality of LED lamp beads are distributed along the length direction of the substrate, and a reflective adhesive film is arranged on the upper surface of the substrate along the length direction thereof, and a black ink layer is arranged on the upper surface of the reflective adhesive film along the length direction thereof, and the black ink layer is located on the side of the reflective adhesive film away from the LED lamp beads, and a plurality of light guide plate adhesives are arranged in a row at equal intervals on the upper surface of the reflective adhesive film along the length direction thereof, and the black ink layer is located between the light guide plate adhesive and the reflective adhesive film, and a light-transmitting port is arranged between two adjacent light guide plate adhesives, and the LED lamp beads are exposed from the light-transmitting port.

2. The backlight structure for optimizing lamp holder halo according to claim 1, characterized in that: A light guide plate fixing glue is arranged at one end of the bottom wall of the support frame away from the LED light strip, the light guide plate body is connected to the bottom wall of the support frame via the light guide plate fixing glue, and the LED light strip is bonded to one end of the light guide plate body via the light guide plate bonding glue.

3. The backlight structure for optimizing lamp holder halo according to claim 1, characterized in that: A reflective white strip is arranged at one end of the support frame close to the LED lamp bead.

4. The backlight structure for optimizing lamp holder halo according to claim 1, characterized in that: The support frame is a glued iron frame or a glued aluminum frame.

5. The backlight structure for optimizing lamp holder halo according to claim 1, characterized in that: The outer edge of the upper end of the support frame is provided with a light-shielding adhesive layer.

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