CN1317583C - Anti-deformation fixed frame and its liquid crystal display - Google Patents

Abstract

The invention discloses a fixed frame for a liquid crystal display, wherein the fixed frame comprises a metal frame and a plastic frame, the metal frame comprises an upper fixed part and a side fixed part, the side fixed part comprises a plurality of bending structures, and each bending structure comprises a turning part and a positioning part; the plastic frame comprises a plastic frame body and a plurality of protruding portions, the plastic frame body is wrapped in the metal frame, the protruding portions are located on the side edge of the plastic frame and are arranged at the positions, opposite to the bending structures of the metal frame, the protruding portions comprise accommodating portions and blocking portions, the accommodating portions can accommodate the positioning portions of the bending structures of the metal frame and are arranged in the accommodating portions, and the blocking portions are used for blocking the positioning portions of the bending structures of the metal frame and are exposed out of the side fixing portions of the metal frame. The invention can prevent the deformation of the metal frame, strengthen the fixing effect and avoid the membrane scratch caused by the deformation of the metal frame.

Description

Anti-deformation fixed frame and its liquid crystal display

technical field

The invention relates to a structure of a liquid crystal display, in particular to a fixed frame capable of preventing deformation and a liquid crystal display including the fixed frame.

Background technique

Today's consumer requirements for the size of the LCD screen of notebook computers tend to be larger and larger. Compared with the small size liquid crystal display, the requirements for the structural strength of the whole liquid crystal display are more stringent.

A common liquid crystal display as shown in FIG. 1 includes a fixed frame 1 and a panel module 2 . The fixing frame 1 is used to fix the components in the liquid crystal display, and provide the liquid crystal display with sufficient mechanical strength to resist various possible damages to the liquid crystal display. The fixed frame 1 includes a metal frame 11 and a plastic frame 12, the combination of the two provides the function of fixing each component or module in the liquid crystal display, the plastic frame 12 provides a base on which each component or module can be placed, and the metal frame 11 It is used to press and fix each component or module, and frame the top edge and side edge of the plastic frame 12 . The metal frame 11 includes an upper fixing portion 111 and a side fixing portion 112, wherein the upper fixing portion 111 is used to press and fix the top surface of the panel module 2 and the plastic frame 12 positioned on the top of the entire liquid crystal display, so as to prevent the liquid crystal display from The deformation in the left and right or front and rear directions, and the side fixing part 112 is used to cover the side of the plastic frame 12 to prevent the deformation of the liquid crystal display in the up and down direction.

When making a small-sized liquid crystal display, the liquid crystal display of Fig. 1 can provide sufficient fixing function, but when making a large-sized liquid crystal display, the central part of the four sides of the fixing frame 1 may be easily deformed due to insufficient supporting force Expansion phenomenon, the expansion direction may occur in two directions: (1) horizontal or front-to-back plane expansion displacement, the upper diaphragm fixing part 111 of the metal frame 11 is close to the central part and cannot completely cover the lower panel module 2 , resulting in loosening, this loose displacement phenomenon will cause the metal frame 11 to scratch the diaphragm (such as polarizer) on the panel module 2 pressed by it, and cause diaphragm damage, what's more, if the deformation is too large, the metal The frame 11 completely escapes the panel module 2; (2) the vertical displacement, the side fixing part 112 of the metal frame 11 cannot completely cover the side of the plastic frame 12, and loosening occurs, causing the structure of the entire liquid crystal display to be unstable. Even lose its fixed function. When the above-mentioned deformation phenomenon is severe, it may even cause the metal frame 11 to break.

In order to solve the problem of the support of the above-mentioned liquid crystal display fixed frame, the present invention is committed to developing a fixed frame that can prevent deformation, so as to solve the problems of scratched diaphragm or frame fracture caused by insufficient support force of common liquid crystal display frames.

Contents of the invention

The object of the present invention is to provide a fixed frame for a liquid crystal display, wherein the fixed frame includes a metal frame and a plastic frame, the metal frame includes an upper diaphragm fixing part and a side fixing part, wherein the side fixing part includes a plurality of Bending structure, the bending structure includes a turning part and a positioning part; the plastic frame includes a plastic frame body and a plurality of protrusions, the plastic frame body is covered in the metal frame, the protrusions are located on the side of the plastic frame and Set at the position of the bending structure relative to the metal frame, the protruding part includes a receiving part and a blocking part, the receiving part can accommodate the positioning part of the bending structure of the metal frame, and the blocking part is used to block the metal frame The positioning part of the bending structure is exposed outside the side fixing part of the metal frame. The invention can prevent the deformation of the metal frame, enhance the fixing effect and avoid the diaphragm scratch caused by the deformation of the metal frame.

The panel module may further include a polarizer, and the polarizer is in contact with the upper fixing part of the metal frame.

Description of drawings

FIG. 1 shows a schematic cross-sectional view of a liquid crystal display of the prior art;

Fig. 2 shows the schematic sectional view of the liquid crystal display of the first embodiment of the present invention;

3a to 3c are schematic diagrams showing the three-dimensional operation of the liquid crystal display according to the second embodiment of the present invention.

Detailed ways

Embodiment one

The liquid crystal display shown in FIG. 2 includes a fixed frame 3 and a panel module 4 . The fixing frame 3 used to fix the components in the liquid crystal display and provide sufficient mechanical strength includes a metal frame 31 and a plastic frame 32, wherein the metal frame 31 includes an upper fixing part 311 and a side fixing part 312, and frames the plastic frame 32 The top and side edges of the upper fixing part 311 are used to press and fix the upper top surface of the panel module 4 and the plastic frame 32, and the side fixing part 312 is used to cover the side of the plastic frame 32, and the side fixing part 312 further It includes a plurality of bending structures 313, and the bending structure 313 includes a turning part 314 and a positioning part 315, wherein the positioning part 315 is placed in the plastic frame 32, and provides the function of positioning and fixing, and the turning part 314 and the side fixing part 312; the plastic frame 32 includes a plastic frame body 321 and a plurality of protruding parts 322, wherein the plastic frame body 321 is covered in the metal frame 31, and combined with the metal frame 31 to fix the components in the liquid crystal display, protruding The part 322 is located on the side of the plastic frame 32, and is arranged at a position relative to the bending structure 313 of the metal frame 31. The protruding part 322 includes an accommodating part 323 and a blocking part 324, and the accommodating part 323 can accommodate the bending structure 313. The positioning portion 315 is disposed therein, and the blocking portion 324 is used to block the positioning portion 315 of the bending structure 313 of the metal frame 31 , and is exposed outside the side fixing portion 312 of the metal frame 31 .

The present invention is characterized by the design of the bending structure 313 and the protruding portion 322, which can prevent the outward expansion displacement phenomenon produced in the prior art: (1) if subjected to the outward expansion force of the plane in the left and right or front and rear directions, the bending structure will The positioning part 315 of 313 will be against the blocking part 324 of the protruding part 322 to prevent its deformation or movement, which can avoid the damage caused by the upper fixing part 311 to the panel module 4; The force in the downward direction is in contact with the positioning part 315 due to the existence of the receiving part 323, so that the metal frame 31 does not jump out of deformation, while the force in the upward direction depends on the combination between the metal frame 31 and the plastic frame 32. Provides force in the opposite direction. Therefore, the present invention can completely avoid the problems of scratches, deformation or even breakage encountered in the previous fixing frame 1, and provide more stable fixing support.

The location of the bending structure 313 and the protruding portion 322 of the present invention is not limited, they can be located on at least any of the four sides of the liquid crystal display, and the number is not limited, there can be one or more, and they can be on the same side or different sides.

Embodiment two

The liquid crystal display shown in Figure 3a to 3c, it comprises a fixed frame 5 and a panel module 6, and wherein fixed frame 5 is similar to the fixed frame 3 of above-mentioned first embodiment, and it comprises a metal frame 51 and a plastic frame 52 , wherein the metal frame 51 includes an upper fixing portion 511 and one side fixing portion 512, and frames the top and side edges of the plastic frame 52, wherein the upper fixing portion 511 is used to press and fix the top of the panel module 6 and the plastic frame 52 On the other hand, the side fixing part 512 is used to cover the side of the plastic frame 52, and the side fixing part 512 further includes a plurality of bending structures (not shown in the figure), which are similar to the bending structure 313 of the first embodiment, Including a turning portion and a positioning portion; the plastic frame 52 includes a plastic frame body 521 and a plurality of protrusions (not shown in the figure), wherein the plastic frame body 521 is wrapped in the metal frame 51, and the protrusions are located in the plastic The side of the frame 52, and is arranged at the position of the bending structure relative to the metal frame 51, the protruding portion (not shown) includes a receiving portion (not shown) and a blocking portion 524, and the blocking portion 524 is exposed on the metal frame 51 Outside the side fixing part 512 .

The liquid crystal display of the present embodiment includes a plurality of tape automatic bonding (TAB) 7 in addition, and the tape automatic bonding tape 7 is fixed on the plastic frame 52 (as shown in Figure 3a), and folds to the plastic frame 52 (as shown in Figure 3b), then pressed and fixed with a metal frame 51 (as shown in Figure 3c), wherein the bending structure (not shown) of the metal frame 51 and the protruding part of the plastic frame 52 are Set between adjacent reel-type automatic splicing belts.

The fixed frame of the present invention is not limited to be applied to large-sized liquid crystal displays, and can also be used for small-sized liquid crystal displays to provide stronger support, and the size and material of the metal frame and the plastic frame are not limited, and can be applied Based on the design used in the industry, there is no limit to the size of the bending structure and the protrusion, which can provide the function of preventing the deformation of the fixed frame without hindering the support of the original fixed frame.

The above-mentioned embodiments are only intended to illustrate the principles and effects of the present invention, rather than to limit the present invention. Therefore, modifications and changes made by those skilled in the art to the above embodiments still do not violate the spirit of the present invention.

Claims (10)

1. fixed frame that is used for LCD comprises:

One metal frame comprises a fixed part and a side fixed part on one, and fixed part is used for the last end face of a panel module of stamped fluid crystal display on this, and the side fixed part comprises a plurality of bending structures, and each bending structure includes a location division; And

One frame of plastic, comprise a frame of plastic body and a plurality of protuberance, this frame of plastic body is to be coated in the metal frame, and in conjunction with this metal frame with the fixed panel module, protuberance is positioned at the side of frame of plastic body and is arranged at the position of the bending structure of relative metal frame, and each protuberance has an accommodation section and a stop part, and this accommodation section holds the location division of each bending structure of metal frame, and stop part stops the location division, and exposes to outside the side fixed part of metal frame; Panel module comprises a polaroid, and this polaroid contacts with the last fixed part of metal frame.

2. fixed frame as claimed in claim 1 is characterized in that: the location division of each bending structure is connected with the side fixed part by a turning point.

3. fixed frame as claimed in claim 1 is characterized in that: protuberance and corresponding bending structure thereof are positioned at arbitrary at least limit on LCD four limits.

4. fixed frame as claimed in claim 1 is characterized in that: this protuberance and bending structure are arranged on the different edge of LCD simultaneously.

5. LCD, it is characterized in that: comprise a panel module and a fixed frame, this fixed frame comprises:

One metal frame comprises a fixed part and a side fixed part on one, wherein goes up the last end face of fixed part pressing panel module, and the side fixed part comprises a plurality of bending structures, and each bending structure includes a location division; And

One frame of plastic, comprise a frame of plastic body and a plurality of protuberance, the frame of plastic body is coated in the metal frame, and in conjunction with metal frame with the fixed panel module, protuberance is positioned at the side of frame of plastic body and is arranged at the position of the bending structure of relative metal frame, each protuberance tool one accommodation section and a stop part, and the accommodation section holds the location division of each bending structure of metal frame, and stop part stops the location division, and exposes to outside the side fixed part of metal frame.

6. LCD as claimed in claim 5 is characterized in that: this panel module comprises a polaroid, and polaroid contacts with the last fixed part of metal frame.

7. LCD as claimed in claim 5, it is characterized in that: comprise that also automatic splicing tpae of a plurality of coil types and panel module electrically connect, and the automatic splicing tpae of this coil type in regular turn and the compartment of terrain be fixed on the frame of plastic, and be folded to the back side of frame of plastic, and fixing with the metal frame compacting, wherein each bending structure of this metal frame is arranged between the automatic splicing tpae of two adjacent coil types with each corresponding protuberance of frame of plastic.

8. LCD as claimed in claim 5 is characterized in that: described protuberance and corresponding bending structure are positioned at arbitrary at least limit on LCD four limits.

9. LCD as claimed in claim 5 is characterized in that: described protuberance and bending structure are arranged on the different edge of LCD simultaneously.

10. LCD as claimed in claim 5 is characterized in that: the location division of each bending structure is connected with the side fixed part by a turning point.