Display module capable of solving prism deformation of upper brightness enhancement film

Abstract

The utility model discloses a display module capable of solving deformation of an upper brightness enhancement film prism, which comprises a backlight structure and a display screen, the backlight structure comprises a backlight frame and an optical element, the backlight frame is provided with a limiting cavity, and the optical element is positioned in the limiting cavity; one side face of the display screen is attached to one side face of the backlight structure, and the display screen is provided with a lower polaroid. A shading rubber mat is attached to the backlight frame, the optical element comprises an upper brightness enhancement film, the upper brightness enhancement film is located on the side close to the display screen, and the shading rubber mat is located between the lower polaroid and the upper brightness enhancement film. And a ventilating gap is formed in the shading rubber mat. Therefore, the closed space between the lower polaroid and the upper brightness enhancement film can be communicated with the external environment through the ventilation notch, after the display module is subjected to vacuum full lamination, external air can enter the space between the lower polaroid and the upper brightness enhancement film through the notch, and external atmospheric pressure cannot generate pressure on the upper brightness enhancement film any more; therefore, the display problem that snowflake-shaped white spots appear on the display module is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of display, in particular to a display module capable of solving the problem of prism deformation of an upper brightness enhancement film. Background Art

[0002] The backlight structure is a key component of the display module. The backlight structure is used to provide light source for the display of the display module, so the performance of the backlight structure directly affects the display effect of the display module.

[0003] At present, after the LCD screen and backlight structure on many products are assembled, they need to be fully bonded with the cover plate, and the full bonding is carried out in a vacuum state. During the full bonding process, the backlight's light-shielding glue will tightly bond the upper light-enhancing film in the backlight structure with the lower polarizer on the display glass, forming a closed space between the upper light-enhancing film and the lower polarizer. When the product is fully bonded, the vacuum machine will extract the air from this closed space. After the full bonding process is completed, the product leaves the vacuum machine, and the external atmospheric pressure will squeeze the upper light-enhancing film, causing the upper light-enhancing film prism to deform. In this way, the product will have a display problem of snowflake-like white spots, affecting the use of the product.

[0004] In view of the above, a display module capable of solving the problem of prism deformation of an upper brightness enhancement film is proposed. Utility Model Content

[0005] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a display module capable of solving the problem of prism deformation of an upper brightness enhancement film, thereby avoiding the display problem of snowflake-like white spots on the product.

[0006] The purpose of this utility model is achieved through the following technical solutions:

[0007] A display module capable of solving the problem of prism deformation of an upper light-enhancing film comprises: a backlight structure and a display screen, the backlight structure comprising a backlight frame and an optical element, the backlight frame being provided with a limit cavity, the optical element being located in the limit cavity; one side of the display screen being in contact with one side of the backlight structure, and a lower polarizer being provided on a side of the display screen facing the backlight structure; a light-shielding rubber pad being attached to one side of the backlight frame facing the display screen, and the optical element comprising an upper light-enhancing film, the upper light-enhancing film being located on a side close to the display screen, the light-shielding rubber pad being located between the lower polarizer and the upper light-enhancing film; and a ventilation notch being provided on the light-shielding rubber pad.

[0008] In one embodiment, the ventilation gap has a V-shaped structure.

[0009] In one embodiment, the air-permeable gap includes a plurality of V-shaped gaps connected in sequence.

[0010] In one embodiment, the ventilation gap is provided in multiple locations.

[0011] In one of the embodiments, the backlight frame is an integrated rubber-iron frame.

[0012] In one embodiment, the optical element includes a reflective film, a light guide plate, a diffusion film, a lower light-enhancing film and an upper light-enhancing film, and the reflective film, the light guide plate, the diffusion film, the lower light-enhancing film and the upper light-enhancing film are stacked in sequence, and the reflective film is located at the bottom of the limiting cavity, and the upper light-enhancing film is located on a side close to the display screen.

[0013] In one of the embodiments, the backlight structure further includes an LED lamp and an FPC, the LED lamp is disposed on the FPC, and the LED lamp is located below the light guide plate.

[0014] In one of the embodiments, the display screen includes an upper polarizer, an upper glass, a lower glass and the lower polarizer stacked in sequence, and the lower polarizer is located on a side close to the backlight structure.

[0015] In one of the embodiments, one side of the lower glass extends away from the side of the upper glass to form a binding protrusion.

[0016] In one of the embodiments, the binding protrusion is bound to a display screen FPC.

[0017] Compared with the prior art, the utility model has at least the following advantages:

[0018] The utility model can solve the problem of prism deformation of the upper brightness enhancement film by providing a ventilation gap on the light-shielding rubber pad, so that the closed space between the lower polarizer and the upper brightness enhancement film can be connected to the external environment through the ventilation gap. When the display module is fully vacuum-fitted, the outside air can enter between the lower polarizer and the upper brightness enhancement film through the ventilation gap, and the outside atmospheric pressure will no longer exert pressure on the upper brightness enhancement film, thereby solving the display problem of snowflake-like white spots appearing on the display module. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments are briefly introduced below.

[0020] Figure 1 It is a schematic diagram of the stacking structure of a display module capable of solving the problem of prism deformation of the upper brightness enhancement film in one embodiment of the utility model;

[0021] Figure 2It is a front view structural schematic diagram of a display module capable of solving the problem of prism deformation of the upper brightness enhancement film in one embodiment of the utility model;

[0022] Figure 3 for Figure 2 Schematic diagram of the enlarged structure of the ventilation gap of the display module that can solve the deformation of the prism of the upper brightness enhancement film. DETAILED DESCRIPTION

[0023] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings.

[0024] See also Figure 1 , Figure 2 and Figure 3 As shown, a display module 10 capable of solving the deformation of the prism of the upper light-enhancing film comprises: a backlight structure 100 and a display screen 200, the backlight structure 100 comprises a backlight frame 110 and an optical element 120, a limiting cavity is provided on the backlight frame 110, and the optical element 120 is located in the limiting cavity; one side of the display screen 200 is in contact with one side of the backlight structure 100, and a lower polarizer 210 is provided on the side of the display screen 200 facing the backlight structure 100; a light-shielding rubber pad 300 is attached to the side of the backlight frame 110 facing the display screen 200, and the optical element 120 comprises an upper light-enhancing film 121, the upper light-enhancing film 121 is located on a side close to the display screen 200, and the light-shielding rubber pad 300 is located between the lower polarizer and the upper light-enhancing film; and a breathable notch 310 is provided on the light-shielding rubber pad 300.

[0025] It should be noted that a lower polarizer is provided on one side of the display screen 200 facing the backlight structure 100, a light-shielding rubber pad is attached to one side of the backlight frame 110 facing the display screen 200, and the optical element 120 includes an upper light-enhancing film, the upper light-enhancing film is located on the side close to the display screen 200, and the light-shielding rubber pad is located between the lower polarizer 210 and the upper light-enhancing film; in this way, a closed space is formed between the lower polarizer 210 and the upper light-enhancing film 121, and therefore, a breathable gap is provided on the light-shielding rubber pad 300, so that the closed space between the lower polarizer and the upper light-enhancing film can be connected to the external environment through the breathable gap, and when the display module is fully vacuum-bonded, the outside air can enter between the lower polarizer 210 and the upper light-enhancing film 121 through the breathable gap 310, and the outside atmospheric pressure will no longer exert pressure on the upper light-enhancing film 121, thereby solving the display problem of snowflake-like white spots on the display module.

[0026] Preferably, the ventilation notch 310 is in a V-shaped structure, so as to prevent dust from entering the interior of the display screen and avoid light leakage.

[0027] In another embodiment, preferably, the ventilation gap 310 includes a plurality of V-shaped gaps connected in sequence, that is, a plurality of V-shaped gaps connected in sequence form a wave-shaped structure, and this design structure can prevent dust from entering the interior of the display screen and avoid light leakage problems.

[0028] Preferably, there are multiple ventilation gaps 310. For example, the light shielding rubber pad 300 forms a rectangular frame structure with a hollow center, and ventilation gaps 310 can be opened on the four sides of the light shielding rubber pad 300, so that the closed space between the lower polarizer 210 and the upper brightness enhancement film 121 can be connected to the outside air.

[0029] Preferably, the backlight frame 110 is a plastic-iron integrated frame, which can ensure sufficient strength while making the overall weight of the display module lighter.

[0030] In one embodiment, the optical element 120 includes a reflective film 125, a light guide plate 124, a diffusion film 123, a lower light enhancement film 122 and an upper light enhancement film 121. The reflective film 125, the light guide plate 124, the diffusion film 123, the lower light enhancement film 122 and the upper light enhancement film 121 are stacked in sequence, and the reflective film 125 is located at the bottom of the limiting cavity, and the upper light enhancement film 122 is located on the side close to the display screen 200.

[0031] Furthermore, the backlight structure 100 also includes an LED lamp and an FPC. The LED lamp is arranged on the FPC (flexible circuit board), and the LED lamp is located below the light guide plate. The light emitted by the LED lamp is guided by the light guide plate 124 and reflected by the reflective film to reduce the loss of light. The light is made brighter and more uniform by the diffusion film 123, the lower brightness enhancement film 122 and the upper brightness enhancement film 121 to ensure the display effect.

[0032] In one embodiment, the display screen 200 includes an upper polarizer 240, an upper glass 230, a lower glass 220, and a lower polarizer 210 stacked in sequence, and the lower polarizer 210 is located on a side close to the backlight structure 100. The lower polarizer is used to convert the light beam generated by the backlight structure into polarized light, and the upper polarizer is used to analyze the polarized light after being electrically modulated by the liquid crystal between the upper glass 230 and the lower glass 220 to produce light and dark contrast, thereby producing a display screen. Furthermore, one side of the lower glass 230 extends toward a side away from the upper glass 220 to form a binding protrusion. For example, the display screen FPC is bound by the binding protrusion, and the IC chip is also bound to the binding protrusion.

[0033] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A display module capable of solving the problem of prism deformation of an upper brightness enhancement film, characterized in that: include: A backlight structure, the backlight structure comprising a backlight frame and an optical element, the backlight frame is provided with a limiting cavity, and the optical element is located in the limiting cavity; and A display screen, wherein one side of the display screen is in contact with one side of the backlight structure, and a lower polarizer is disposed on a side of the display screen facing the backlight structure; A light-shielding rubber pad is attached to a side of the backlight frame facing the display screen, and the optical element includes an upper light-enhancing film, the upper light-enhancing film is located on a side close to the display screen, and the light-shielding rubber pad is located between the lower polarizer and the upper light-enhancing film; In addition, a ventilation gap is provided on the light-shielding rubber pad.

2. The display module capable of solving the problem of prism deformation of the upper brightness enhancement film according to claim 1, characterized in that: The ventilation notch is in a V-shaped structure.

3. The display module capable of solving the problem of prism deformation of the upper brightness enhancement film according to claim 1, characterized in that: The air-permeable gap includes a plurality of V-shaped gaps connected in sequence.

4. The display module capable of solving the problem of prism deformation of the upper brightness enhancement film according to claim 2 or 3, characterized in that: The ventilation gaps are arranged in multiple locations.

5. The display module capable of solving the problem of prism deformation of the upper brightness enhancement film according to claim 1, characterized in that: The backlight frame is a rubber-iron integrated frame.

6. The display module capable of solving the problem of prism deformation of the upper brightness enhancement film according to claim 1, characterized in that: The optical element includes a reflective film, a light guide plate, a diffusion film, a lower light-enhancing film and an upper light-enhancing film. The reflective film, the light guide plate, the diffusion film, the lower light-enhancing film and the upper light-enhancing film are stacked in sequence, and the reflective film is located at the bottom of the limiting cavity, and the upper light-enhancing film is located on a side close to the display screen.

7. The display module capable of solving the problem of prism deformation of the upper brightness enhancement film according to claim 6, characterized in that: The backlight structure further includes an LED lamp and an FPC. The LED lamp is arranged on the FPC, and the LED lamp is located below the light guide plate.

8. The display module capable of solving the problem of prism deformation of the upper brightness enhancement film according to claim 1, characterized in that: The display screen comprises an upper polarizer, an upper glass, a lower glass and the lower polarizer which are stacked in sequence, and the lower polarizer is located on a side close to the backlight structure.

9. The display module capable of solving the problem of prism deformation of the upper brightness enhancement film according to claim 8, characterized in that: One side of the lower glass extends away from the side of the upper glass to form a binding protrusion.

10. The display module capable of solving the problem of prism deformation of the upper brightness enhancement film according to claim 9, characterized in that: The binding protrusion is bound with the display screen FPC.

Images