A direct-type liquid crystal module structure

Abstract

The present invention provides a direct-down liquid crystal module structure, which includes an aluminum profile and a plastic connector. Four aluminum profiles are provided, which are respectively arranged around the back plate, and the lower end faces thereof are fixedly connected to the back plate by screws, and two adjacent aluminum profiles are fixedly connected by plastic connectors; a protrusion is provided on the outer end face of the aluminum profile, and a diaphragm fixing sheet metal is provided above the protrusion, and the diaphragm fixing sheet metal is vertically arranged on the outer side of the aluminum profile in an inverted L shape, and the outer side of the diaphragm fixing sheet metal is also provided with an outer edging, which is vertically arranged in an inverted L shape and fixedly connected to the aluminum profile by screws; a liquid crystal panel is clamped between the L-shaped folding edge of the diaphragm fixing sheet metal and the L-shaped folding edge of the outer edging, and the lower end face thereof is fixedly connected to the L-shaped folding edge of the diaphragm fixing sheet metal by an OC double-sided adhesive. It solves the technical problems that the existing liquid crystal module structure needs to match the middle frame and the face frame, the production cost is high, and the burden on enterprises is increased, and can be widely used in the field of liquid crystal module structure technology.

Description

Technical Field

[0001] The present invention relates to the technical field of liquid crystal module structures, and in particular to a direct-type liquid crystal module structure. Background Art

[0002] As the LCD industry continues to mature, various LCD screen manufacturers continue to innovate their products to ensure product performance.

[0003] The existing LCD module structure usually uses a sheet metal (or plastic material) backplane, with several light strips locked in the cavity, matched with a reflector, a diffuser, an optical film, and then fixed with a middle frame, covered with a LCD panel, and finally installed with a top frame to form the LCD module. Such a structure is complicated, and the backplane, middle frame, and top frame all need to be produced separately, which increases the production cost of the enterprise. Moreover, the same model of backplane, middle frame, and top frame can only be used for the same model of LCD panel, and cannot be matched with other different models of LCD panels. When producing another model of LCD panel, the backplane, middle frame, and top frame need to be re-molded and produced, which increases the production cost of the enterprise and increases the burden on the enterprise. Summary of the invention

[0004] The purpose of the present invention is to solve the deficiencies of the above-mentioned technology and provide a direct-type liquid crystal module structure with a simple structure.

[0005] To this end, the present invention provides a direct-type liquid crystal module structure, which includes a liquid crystal panel, a diffusion plate, an optical film, an LED light bar and a back plate, and also includes an aluminum profile and a plastic connector. Four aluminum profiles are provided, which are respectively arranged around the back plate, and the lower end faces thereof are fixedly connected to the back plate by screws, and two adjacent aluminum profiles are fixedly connected by plastic connectors; a protrusion is provided on the outer end face of the aluminum profile, and a film fixing sheet metal is provided above the protrusion, and the film fixing sheet metal is vertically arranged on the outer side of the aluminum profile in an inverted L shape, and is connected to the back plate by double-sided adhesive of the sheet metal. The aluminum profile is fixedly connected, and the outer side of the diaphragm fixing sheet metal is also provided with an outer edging, which is vertically arranged in an inverted L shape and fixedly connected to the aluminum profile by screws; the liquid crystal panel is clamped between the L-shaped folded edge of the diaphragm fixing sheet metal and the L-shaped folded edge of the outer edging, and its lower end surface is fixedly connected to the L-shaped folded edge of the diaphragm fixing sheet metal by OC double-sided tape or buffer material; a accommodating space is formed between the outer edging, the diaphragm fixing sheet metal, the aluminum profile, the back panel, and the liquid crystal panel, and the diffuser plate, the optical diaphragm, and the LED light strip are all arranged in the accommodating space.

[0006] Preferably, the diffuser plate and the optical film are clamped between the aluminum profile and the L-shaped folded edge of the film fixing sheet metal, the diffuser plate is arranged above the aluminum profile and fixedly connected to the upper end surface of the aluminum profile, and the optical film is arranged above the diffuser plate.

[0007] Preferably, a cushioning foam is provided between the L-shaped folded edge of the outer edging and the liquid crystal panel, and the cushioning foam is fixedly connected to the L-shaped folded edge of the outer edging.

[0008] Preferably, a sheet metal double-sided tape (VHB tape) is also connected between the outer edging and the aluminum profile.

[0009] Preferably, the aluminum profile is in the shape of a triangular prism and is provided with a through hole. The end surface of the plastic connector is provided with a positioning block adapted to the through hole. The positioning block is arranged in the through hole to fix the aluminum profile and the plastic connector together.

[0010] Preferably, COF is connected to the ground side and the right side of the liquid crystal panel, the through hole of the aluminum profile connecting one end of the liquid crystal panel to the COF is long and narrow, and the positioning block of the plastic connector adapted thereto is also long and narrow.

[0011] Preferably, the aluminum profile at one end of the liquid crystal panel connected to the COF and the outer end surface of the matching plastic connector are provided with a communicating receiving groove, and the COF connected to the liquid crystal panel is bent and arranged in the receiving groove.

[0012] Preferably, the through hole of the aluminum profile at one end of the liquid crystal panel not connected to the COF is triangular, and the positioning block of the plastic connector adapted thereto is in the shape of the letter H.

[0013] Preferably, the lower end surface of the plastic connector is further provided with a positioning column, the back plate is provided with a positioning hole, the positioning column is arranged in the positioning hole, and the lower end surface of the plastic connector is fixedly connected to the back plate by screws.

[0014] Preferably, the back plate is made of aluminum plate or SECC material.

[0015] The present invention provides a direct-type liquid crystal module structure, which has the following beneficial effects:

[0016] The present invention is provided with an aluminum profile, the lower end face of which is fixedly connected to the back plate by screws, and two adjacent aluminum profiles are connected end to end by plastic connectors to form a storage space, which replaces the original complex structure to accommodate the liquid crystal module assembly. The present invention is also provided with a diaphragm fixing sheet metal, which is arranged on the outer side of the aluminum profile and fixedly connected to the aluminum profile by a sheet metal double-sided adhesive tape, and the diaphragm fixing sheet metal separates the liquid crystal panel from the optical diaphragm, plays the role of fixing and protecting the optical diaphragm and supporting the liquid crystal panel. The outer side of the diaphragm fixing sheet metal is also provided with an outer edging, which is fixedly connected to the aluminum profile by screws and sheet metal double-sided adhesive tape, and at the same time, the liquid crystal panel, the diaphragm fixing sheet metal, and the aluminum profile are fixed together, which plays a peripheral protection role for the liquid crystal module, especially better protection for the liquid crystal panel.

[0017] The present invention combines a back panel, an aluminum profile, and a plastic connector. The structure is simple and easy to produce. It eliminates the middle frame, the face frame, and other structures of the original liquid crystal module structure, reduces the mold opening cost, and saves production costs for the enterprise. In addition, the aluminum profile and the outer edging structure can quickly match with different models of liquid crystal panels, making it easier to achieve a spliced ​​screen with an ultra-narrow frame, which again reduces production costs for the enterprise. The back panel can be made of aluminum plate, or SECC plate can be used to replace the original back panel, which reduces the weight of the entire liquid crystal module. The back panel made of SECC material is easier to achieve mass production cost control, which reduces the burden on the enterprise. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the assembled structure of the present invention;

[0019] Figure 2 is an exploded view of the present invention;

[0020] Figure 3 It is a structural schematic diagram of a partial cross-sectional view of the present invention;

[0021] Figure 4 yes Figure 3 A schematic diagram of the structure of a partial enlarged view of the A part shown;

[0022] Figure 5 It is a schematic diagram of the structure of the back plate, aluminum profile and plastic connector of the present invention after being assembled;

[0023] Figure 6 yes Figure 1 Schematic diagram of the structure of the aluminum profile connecting the LCD panel to one end of the COF;

[0024] Figure 7 is with Figure 6 A schematic diagram of the structure of the end face of the matching plastic connector;

[0025] Figure 8 yes Figure 1 A schematic diagram of the structure of the aluminum profile where the LCD panel is not connected to the COF end;

[0026] Fig. 9 is with Figure 8 Schematic diagram of the structure of the end face of the matching plastic connector.

[0027] Markings in the figure: 1. LCD panel, 2. Diffuser plate, 3. Optical film, 4. LED light strip, 5. Back panel, 6. Aluminum profile, 7. Plastic connector, 8. Protrusion, 9. Diaphragm fixing sheet metal, 10. Outer edging, 11. OC double-sided tape, 12. Buffer foam, 13. Through hole, 14. Positioning block, 15. Receiving groove, 16. COF, 17. Positioning column, 18. Positioning hole, 19. Sheet metal double-sided tape. DETAILED DESCRIPTION

[0028] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments to help understand the content of the present invention. The methods used in the present invention are all conventional methods unless otherwise specified; the raw materials and devices used are all conventional commercial products unless otherwise specified.

[0029] Depend on Figure 1-Figure 5 As shown, the present invention provides a direct-type liquid crystal module structure, which includes a liquid crystal panel 1, a diffusion plate 2, an optical film 3, an LED light bar 4 and a back plate 5, and also includes an aluminum profile 6 and a plastic connector 7. There are four aluminum profiles 6, which are respectively arranged around the back plate 5. The lower end surface and the outer end surface of the aluminum profile 6 are provided with screw holes, and the lower end surface is fixedly connected to the back plate 5 by screws passing through the screw holes, and the ends of two adjacent aluminum profiles 6 are fixedly connected by the plastic connector 7. The outer end surface of the aluminum profile 6 is provided with a protrusion 8, and a film fixing sheet metal 9 is provided above the protrusion 8. The film fixing sheet metal 9 is vertically arranged on the outer side of the aluminum profile 6 in an inverted L shape and clamped at the protrusion 8, and is fixedly connected to the aluminum profile 6 by a sheet metal double-sided adhesive 19. The outer side of the diaphragm fixing sheet metal 9 is also provided with an outer edging 10, which is arranged vertically in an inverted L shape and is fixedly connected to the aluminum profile 6 by screws and sheet metal double-sided adhesive tape 19, so that the diaphragm fixing sheet metal 9 is clamped between the aluminum profile 6 and the outer edging 10. The liquid crystal panel 1 is clamped between the L-shaped folded edge of the diaphragm fixing sheet metal 9 and the L-shaped folded edge of the outer edging 10, and both ends thereof are arranged inside the outer edging 10, and the lower end face of the liquid crystal panel 1 is fixedly connected to the L-shaped folded edge of the diaphragm fixing sheet metal 9 by the OC double-sided adhesive tape 11, and the upper end face of the liquid crystal panel 1 is clamped inside the L-shaped folded edge of the outer edging 10, and the outer edging 10 fixes the liquid crystal panel 1, the diaphragm fixing sheet metal 9, and the aluminum profile 6 together. An accommodating space is formed between the outer edging 10, the diaphragm fixing sheet metal 9, the aluminum profile 6, the plastic connector 7, the back plate 5, and the liquid crystal panel 1. The diffuser 2, the optical diaphragm 3, and the LED light strip 4 are all arranged in the accommodating space, and the LED light strip 4 is fixedly connected to the back plate 5.

[0030] The diffuser 2 and the optical film 3 are clamped between the aluminum profile 6 and the inverted L-shaped folded edge of the film fixing sheet metal 9. The diffuser 2 is arranged above the aluminum profile 6 and fixedly connected to the upper end surface of the aluminum profile 6. The optical film 3 is arranged above the diffuser 2, and its upper end surface is fixedly connected to the L-shaped folded edge of the film fixing sheet metal 9. The film fixing sheet metal 9 separates the liquid crystal panel 1 from the optical film 3, plays the role of fixing and protecting the optical film 3 and supporting the liquid crystal panel 1.

[0031] A buffer foam 12 is provided between the L-shaped folded edge of the outer edging 10 and the liquid crystal panel 1 . The buffer foam 12 is fixedly connected to the L-shaped folded edge of the outer edging 10 to provide buffering and protection for the liquid crystal panel 1 .

[0032] The aluminum profile 6 can be set to a triangular prism shape, which is provided with a through hole 13, and the end surface of the plastic connector 7 is provided with a positioning block 14 adapted to the through hole 13, and the positioning block 14 is arranged in the through hole 13 and engaged with the through hole 13, so as to fix the aluminum profile 6 and the plastic connector 7 together. The lower end surface of the plastic connector 7 is also provided with a positioning column 17, and the back plate 5 is provided with a positioning hole 18, and the positioning column 17 is arranged in the positioning hole 18. The lower end surface of the plastic connector 7 is fixedly connected to the back plate 5 by screws, so that the back plate 5, the aluminum profile 6, and the plastic connector 7 are fixed as a whole.

[0033] Depend on Figure 6-Figure 9 As shown, the ground side and the right side of the liquid crystal panel 1 are connected with COF 16, the through hole 13 of the aluminum profile 6 at one end of the liquid crystal panel 1 connected to COF 16 is in the shape of a long strip, and the positioning block 14 of the plastic connector 7 adapted thereto is also in the shape of a long strip. The outer end surface of the aluminum profile 6 at one end of the liquid crystal panel 1 connected to COF 16 and the outer end surface of the plastic connector 7 adapted thereto are provided with a communicating receiving groove 15. During assembly, the COF 16 connected to the liquid crystal panel 1 is bent and arranged in the receiving groove 15, and the outer edging 10 is arranged on the outer side of the COF 16 to accommodate and protect the COF 16. The through hole 13 of the aluminum profile 6 at the end of the liquid crystal panel 1 not connected to COF 16 is in the shape of a triangle, and the positioning block 14 of the plastic connector 7 adapted thereto is in the shape of the letter h.

[0034] The back plate 5 is an aluminum plate or a SECC plate, which replaces the original back plate, reduces the weight of the liquid crystal module, and reduces the production cost. The back plate 5 made of SECC material is easier to achieve mass production cost control and reduce the burden on enterprises.

[0035] In the description of the present invention, it is necessary to understand that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inside", "outside", "back", "middle", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0036] However, what is described above is only a specific embodiment of the present invention and should not be used to limit the scope of implementation of the present invention. Therefore, the replacement of equivalent components, or equivalent changes and modifications made according to the scope of protection of the present invention should still fall within the scope covered by the claims of the present invention.

Claims

1. A direct-type liquid crystal module structure, comprising a liquid crystal panel, a diffusion plate, an optical film, an LED light bar and a back plate, characterized in that: It also includes an aluminum profile and a plastic connector. There are four aluminum profiles, which are respectively arranged around the back plate. The lower end faces of the aluminum profiles are fixedly connected to the back plate by screws, and two adjacent aluminum profiles are fixedly connected by the plastic connector. A protrusion is provided on the outer end face of the aluminum profile, and a diaphragm fixing sheet metal is provided above the protrusion. The diaphragm fixing sheet metal is vertically arranged on the outer side of the aluminum profile in an inverted L shape, and is fixedly connected to the aluminum profile by a double-sided sheet metal adhesive tape. The outer side of the diaphragm fixing sheet metal is also provided with an outer edging. , the outer edging is vertically arranged in an inverted L shape, and is fixedly connected to the aluminum profile by screws; the liquid crystal panel is clamped between the L-shaped folded edge of the diaphragm fixing sheet metal and the L-shaped folded edge of the outer edging, and its lower end surface is fixedly connected to the L-shaped folded edge of the diaphragm fixing sheet metal by OC double-sided tape; a receiving space is formed between the outer edging, the diaphragm fixing sheet metal, the aluminum profile, the back plate, and the liquid crystal panel, and the diffuser, the optical diaphragm, and the LED light bar are all arranged in the receiving space; The aluminum profile is in the shape of a triangular prism and is provided with a through hole. The end surface of the plastic connector is provided with a positioning block adapted to the through hole. The positioning block is arranged in the through hole to fix the aluminum profile and the plastic connector together. The ground side and the right side of the liquid crystal panel are connected with COF, the through hole of the aluminum profile of the liquid crystal panel connected to one end of the COF is long and narrow, and the positioning block of the plastic connector adapted thereto is also long and narrow; The aluminum profile at one end of the liquid crystal panel connected to the COF and the outer end surface of the matching plastic connector are provided with a communicating receiving groove, and the COF connected to the liquid crystal panel is bent and arranged in the receiving groove; The through hole of the aluminum profile at one end of the liquid crystal panel not connected to the COF is triangular, and the positioning block of the plastic connector adapted thereto is in the shape of the letter H.

2. A direct-type liquid crystal module structure according to claim 1, characterized in that: The diffuser plate and the optical film are clamped between the aluminum profile and the L-shaped folded edge of the film fixing sheet metal. The diffuser plate is arranged above the aluminum profile and fixedly connected to the upper end surface of the aluminum profile. The optical film is arranged above the diffuser plate.

3. The direct-type liquid crystal module structure according to claim 1, characterized in that: A buffer foam is provided between the L-shaped folded edge of the outer edging and the liquid crystal panel, and the buffer foam is fixedly connected to the L-shaped folded edge of the outer edging.

4. The direct-type liquid crystal module structure according to claim 1, characterized in that: A sheet metal double-sided tape is also provided between the outer side edge and the aluminum profile.

5. The direct-type liquid crystal module structure according to claim 1, characterized in that: The lower end surface of the plastic connector is also provided with a positioning column, the back plate is provided with a positioning hole, the positioning column is arranged in the positioning hole, and the lower end surface of the plastic connector is fixedly connected to the back plate by screws.

6. The direct-type liquid crystal module structure according to claim 1, characterized in that: The back plate is made of aluminum plate or SECC material.

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