MiniLED backlight module, display screen and VR glasses

Abstract

The mini LED backlight module comprises a back plate, a lamp panel and a clamping strip, the back plate is provided with a notch, the lamp panel comprises a light-emitting panel and an electronic component which are connected with each other, the light-emitting panel is connected with the back plate, the electronic component is located on the outer side of the back plate, and the joint of the light-emitting panel and the electronic component is located at the notch. And the clamping strip is clamped with the notch. Due to the fact that the light-emitting panel is connected with the back plate, the back plate can seal the light-emitting panel, and the backlight module only emits light towards one side of the light-emitting face. The back plate is provided with the notch, the joint of the light-emitting panel and the electronic component is located at the notch, part of light of the light-emitting panel leaks out through the notch, the clamping strip is arranged to be connected with the notch in a clamped mode, light leakage at the notch can be prevented, and the backlight effect of the backlight module is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of miniLED, specifically relates to a miniLED backlight module, display screen and VR glasses. BACKGROUND

[0002] MiniLED backlight module is more and more widely used in the field of VR glasses, and the miniLED backlight module is more and more used in the VR field due to its high brightness, high contrast and other performances. The miniLED backlight module needs to be small in module area and thin in thickness due to being used in the VR glasses, and to achieve this purpose, a part of the lamp plate outside the display area is extended to place electronic components, and the electronic component area of the lamp plate is arranged outside the backlight plate, so that the backlight plate cannot wrap the entire lamp plate in the backlight display area, which will cause light leakage and other backlight failure problems. SUMMARY

[0003] In order to overcome the shortcomings of the prior art, the utility model provides a miniLED backlight module, display screen and VR glasses, which can solve the problem of poor backlight of the existing miniLED backlight module.

[0004] The technical scheme adopted by the utility model to solve its technical problems is: first, a miniLED backlight module is provided, which comprises a back plate, a lamp plate and a clamping strip, the back plate is provided with a notch, the lamp plate comprises a light emitting panel and electronic components connected with each other, the light emitting panel is connected with the back plate, the electronic components are located on the outer side of the back plate, and the connection between the light emitting panel and the electronic components is located at the notch, and the clamping strip is clamped with the notch.

[0005] As a further improvement of the above technical scheme, the two sides of the notch are provided with clamping grooves, and the two ends of the clamping strip are respectively clamped with two clamping grooves.

[0006] As a further improvement of the above technical scheme, the two ends of the clamping strip are respectively provided with clamping parts, two clamping parts are respectively clamped in two clamping grooves, and the two end faces of the clamping strip are respectively abutted with the two side faces of the notch.

[0007] As a further improvement of the above technical scheme, the clamping strip and the clamping part are integrally formed.

[0008] As a further improvement of the above technical scheme, the clamping strip and the clamping part are both made of PC material.

[0009] As a further improvement of the above technical scheme, a plurality of hollow holes are arranged on the back plate.

[0010] As a further improvement of the above technical solution, a plurality of optical films are arranged on the light-emitting panel.

[0011] As a further improvement of the above technical solution, a plurality of miniLED lamp beads are arranged on the light-emitting panel.

[0012] In a second aspect, a display screen is provided, comprising a liquid crystal layer and the above-mentioned MiniLED backlight module.

[0013] In a third aspect, a VR glasses is provided, comprising the above-mentioned display screen.

[0014] The beneficial effects of the present application are as follows: the light-emitting panel is connected with the back plate, the back plate can enclose the light-emitting panel, so that the backlight module only emits light from one side facing the light-emitting surface. BRIEF DESCRIPTION OF DRAWINGS

[0015] The present application will be further described below in combination with the drawings and examples.

[0016] Figure 1 is a structural schematic diagram of a miniLED backlight module provided by the preferred embodiment of the present application;

[0017] Figure 2 is a structural schematic diagram of a back plate provided by the preferred embodiment of the present application;

[0018] Figure 3 is a structural schematic diagram of a clamping strip provided by the preferred embodiment of the present application;

[0019] Figure 4 is a structural schematic diagram of the clamping strip and the back plate when they are clamped together provided by the preferred embodiment of the present application;

[0020] Figure 5 is a structural schematic diagram of a lamp plate provided by the preferred embodiment of the present application;

[0021] Figure 6 is a sectional view of part of the structure of the miniLED backlight module provided by the preferred embodiment of the present application.

[0022] Reference signs: 1, back plate, 2, lamp plate, 3, clamping strip, 4, optical film;

[0023] 11, notch, 12, hollow hole, 21, light-emitting panel, 22, electronic component, 31, clamping part;

[0024] 111, card slot, 211, mini LED lamp bead. DETAILED DESCRIPTION

[0025] The concept, specific structure and technical effects of the utility model will be described clearly and completely in combination with the embodiments and drawings, so as to fully understand the purpose, characteristics and effects of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, and other embodiments obtained by the skilled in the art without creative labor based on the embodiments of the utility model all belong to the protection scope of the utility model. In addition, all the connection / connection relations involved in the patent do not mean that the components are directly connected, but that a better connection structure can be composed by adding or reducing connection auxiliary components according to the specific implementation situation, such as fixed connection / fixed installation, which can be selected according to the needs screw connection, bolt connection, pin connection, key connection, adhesion, mortise and tenon connection, welding, riveting and the like, such as detachable connection, which can be selected according to the needs screw connection, bolt connection, threaded connection, buckle connection, mortise and tenon connection, magic tape connection and the like. The technical features in the creation of the utility model can be interactively combined without mutual contradiction and conflict.

[0026] Please see Figures 1-6 The utility model provides a kind of miniLED backlight module provided in preferred embodiment, including backboard 1, lamp panel 2, carding strip 3 and several optical films 4, backboard 1 is used to close up the light emitting of lamp panel 2, realizes backlight, optical film 4 is located at the light emitting surface of lamp panel 2, for light collection.

[0027] Specifically, backboard 1 is provided with notch 11, and lamp panel 2 includes light emitting panel 21 and electronic component 22 connected with each other, light emitting panel 21 is connected with backboard 1, electronic component 22 is located at the outside of backboard 1, and the connection of light emitting panel 21 and electronic component 22 is located at notch 11, and carding strip 3 is connected with notch 11. Since light emitting panel 21 is connected with backboard 1, backboard 1 can close up light emitting panel 21, so that the backlight module only emits light to the side of light emitting surface. And since backboard 1 is provided with notch 11, the connection of light emitting panel 21 and electronic component 22 is located at notch 11, part of light of light emitting panel 21 leaks out through notch 11, and by setting carding strip 3 to connect with notch 11, light leakage at notch 11 can be prevented, and the backlight effect of the backlight module is improved.

[0028] Further, both sides of notch 11 are provided with card slot 111, and both ends of carding strip 3 are respectively connected with two card slots 111. The setting of card slot 111 can prevent carding strip 3 from falling off, so that carding strip 3 can be firmly connected on backboard 1, and the backlight effect is improved.

[0029] More specifically, the clamping strip 3 is provided with a clamping portion 31 at each end, the two clamping portions 31 are clamped in the two clamping grooves 111 respectively, and the two end faces of the clamping strip 3 abut against the two side faces of the notch 11. The clamping portion 31 further enhances the connection firmness of the clamping strip 3 and the back plate 1, and the clamping of the clamping portion 31 and the clamping groove 111 is easier, facilitating production and assembly.

[0030] Moreover, the clamping strip 3 and the clamping portion 31 are integrally formed and are both made of PC material, the integrally formed process can ensure the firm connection of the clamping strip 3 and the clamping portion 31, and the PC (i.e. polycarbonate) material has high strength and elastic coefficient, high impact strength, wide use temperature range, can withstand heat during light emission, and is easy to bend, facilitating the clamping of the clamping portion 31 and the clamping groove 111.

[0031] The back plate 1 is provided with a plurality of hollow holes 12, which reduces the weight of the back plate 1, so that the backlight module is more portable.

[0032] A plurality of optical films 4 are stacked on the light-emitting panel 21, the optical film 4 close to the light-emitting panel 21 first collects light, and then other optical films 4 adjust the light path to achieve the purpose of uniformizing the surface light source.

[0033] The light-emitting panel 21 is arranged with a plurality of mini LED lamp beads 211 in an array, each mini LED lamp bead 211 can be controlled to emit light individually, and a large number of mini LED lamp beads 211 are densely arranged to realize regional dimming in a smaller range, so that the dimming is more accurate.

[0034] The preferred embodiment of the utility model further provides a display screen, comprising a liquid crystal layer and the Mini LED backlight module of the above-mentioned embodiment. By clamping the clamping strip 3 and the notch 11, light leakage at the notch 11 can be prevented, the backlight effect of the backlight module is improved, and the backlight effect of the display screen is further improved.

[0035] The preferred embodiment of the utility model further provides a VR glasses, comprising a mirror body, a lens and the display screen of the above-mentioned embodiment, the display screen is arranged between the mirror body and the lens, the VR glasses is not easy to leak light when in use, and has good backlight effect.

[0036] The above is a specific description of the preferred embodiment of the utility model, but the utility model creation is not limited to the above-mentioned embodiments, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the utility model, and these equivalent modifications or replacements are all included in the range defined by the claims of the present application.

Claims

1. A miniLED backlight module, characterized in that: The device includes a back panel, a light panel, and a snap-fit ​​strip. The back panel has a notch. The light panel includes an interconnected light-emitting panel and electronic components. The light-emitting panel is connected to the back panel. The electronic components are located on the outside of the back panel, and the connection between the light-emitting panel and the electronic components is located at the notch. The snap-fit ​​strip snaps into the notch. The notch has snap-fit ​​grooves on both sides, and the two ends of the snap-fit ​​strip snap into the two snap-fit ​​grooves respectively; both ends of the snap-fit ​​strip have snap-fit ​​parts, and the two snap-fit ​​parts snap into the two snap-fit ​​grooves respectively; the two end faces of the snap-fit ​​strip abut against the two sides of the notch respectively; the snap-fit ​​strip and the snap-fit ​​parts are integrally formed. It also includes several optical films, which are stacked on the light-emitting panel.

2. The miniLED backlight module according to claim 1, characterized in that: Both the snap-fit ​​strip and the snap-fit ​​part are made of PC material.

3. The miniLED backlight module according to claim 1, characterized in that: The back plate has several perforated holes.

4. The miniLED backlight module according to claim 1, characterized in that: The light-emitting panel has a number of miniLED beads arranged in an array.

5. A display screen, characterized in that: It includes a liquid crystal layer and a miniLED backlight module as described in any one of claims 1-4.

6. A VR headset, characterized in that: Includes the display screen as described in claim 5.

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