CN1310068C - LCD panel fixed to the frame structure to prevent ripples - Google Patents

Abstract

A liquid crystal display panel fixed to a frame structure for preventing ripples, wherein the frame structure is used to protect and fix the liquid crystal display panel, and the liquid crystal display panel comprises a lower glass substrate and a connector. The lower glass substrate is horizontally attached and fixedly connected to an inner side of the frame structure. The connector is used to connect and fix the frame structure and the lower glass substrate. The connector is distributed in a vertical distribution area of a non-visible area of the liquid crystal display panel, thereby overcoming the defects of the prior art, and achieving the purpose of preventing the generation of screen ripples with a simple structure and low cost.

Description

LCD panel fixed to the frame structure to prevent ripples

technical field

The invention relates to a liquid crystal display panel, in particular to a liquid crystal display panel fixed on a frame structure to prevent ripples.

Background technique

In a highly information-based society, flat panel displays play an increasingly important role. With the rapid popularization of computers, mobile phones and various portable electronic devices, flat panel displays with features such as thinness, flatness, full color and high color contrast are more widely accepted by the market. Among them, especially for the touch-sensitive liquid crystal display panel that can directly input information from the screen surface of the flat-panel display, it is widely used by various electronic devices in the market, such as: personal digital assistant (PDA), electronic book (e-book) -book), Smartphone, Webpad and other electronic devices.

Please refer to FIG. 1A , which is a schematic diagram of a flat panel display 2 in the prior art. FIG. 1A shows the combination of a touch-sensitive liquid crystal display panel 3 and a frame structure 6 in a flat panel display 2 . In the manufacturing process of the flat panel display 2, the prefabricated liquid crystal display panel 3 needs to be fixedly installed in a frame structure 6, the frame structure 6 can protect and fix the liquid crystal display panel 3, usually the frame structure 6 can be an iron shell. The liquid crystal display panel 3 is formed by a liquid crystal layer 13 sandwiched by an upper glass substrate 9 and a lower glass substrate 10. A plurality of liquid crystal molecules 14 are distributed in the liquid crystal layer 13. In order to keep the space of the liquid crystal layer 13 from being squeezed and deformed, the liquid crystal layer In 13, a plurality of spacers (Spacers) 12 will be set.

In order to make the prefabricated liquid crystal display panel 3 fixedly installed in the frame structure 6, a double-sided adhesive tape 4 is used in the known technology to place between the lower glass substrate 10 of the liquid crystal display panel 3 and the frame structure 6, and the lower glass substrate 10 It is closely bonded to the frame structure 6 , so that the liquid crystal display panel 3 is fixedly installed in the frame structure 6 .

However, when the liquid crystal display panel 3 is subjected to an external force, please refer to FIG. 1B and FIG. 1C . FIG. 1B is a schematic diagram of a state where the liquid crystal layer 13 is not pressed by external force. FIG. 1C is a schematic diagram of a state where the liquid crystal layer 13 is pressed by an external force. The normal state of the liquid crystal layer 13 is shown in FIG. 1B , in which the liquid crystal molecules 14 are evenly arranged in parallel. When the liquid crystal display panel 3 is subjected to an external force, for example, the touch-sensitive liquid crystal display panel 3 is contacted by a stylus 8, as shown in Figure 1C, because the liquid crystal display panel 3 bottom has a double-sided adhesive tape 4, the liquid crystal layer Spacers 12 are distributed in 13, because the stress transmitted by the spacers 12 causes the lower glass substrate 10 to be deformed due to uneven stress, and the liquid crystal molecules 13 in the liquid crystal layer 13 also change the original parallel arrangement. When displaying images on the flat-panel display 2, phenomena such as ripples on the surface of water may appear, thereby degrading the quality of the displayed images.

Contents of the invention

The technical problem to be solved by the present invention is to provide a liquid crystal display panel to prevent the display screen of the liquid crystal display panel from producing ripples when it is touched.

Another technical problem to be solved by the present invention is to achieve the aforementioned purpose of preventing image moiré with a simple structure and low cost.

The technical solution of the present invention is: a liquid crystal display panel, a frame structure fixes the liquid crystal display panel, the liquid crystal display panel includes a visible area and a non-visible area, and the liquid crystal display panel includes:

A glass substrate is placed horizontally and fixedly connected to an inner side of the frame structure;

a plastic frame, located between the periphery of the liquid crystal display panel and the frame structure; and

A connecting object is used to connect and fix the frame structure and the lower glass substrate, and the connecting object is distributed in the area vertically corresponding to the non-visible area of the liquid crystal display panel, so that the lower surface of the lower glass substrate and the frame structure The inner side of the glass substrate is in contact, and the lower glass substrate is closely attached to the frame structure.

The above liquid crystal display panel, wherein the liquid crystal display panel is a touch-sensitive liquid crystal display panel.

In the above-mentioned liquid crystal display panel, the connector is a double-sided adhesive, which is arranged between the lower glass substrate and the frame structure, so as to fixedly connect the lower glass substrate and the frame structure, and the double-sided adhesive is distributed on the The area vertically corresponding to the non-visible area of the liquid crystal display panel.

In the above-mentioned liquid crystal display panel, the connecting object is an adhesive tape, covering and pasting the lower glass substrate and the frame structure, so as to fixedly connect the lower glass substrate and the frame structure, and the adhesive tape is distributed on the liquid crystal display panel The area vertically corresponding to the invisible area of .

In the above liquid crystal display panel, the connectors are buckle points for buckling the lower glass substrate and the frame structure so as to fixedly connect the lower glass substrate and the frame structure, and the buckle points are distributed on the liquid crystal The area vertically corresponding to the non-visible area of the display panel.

In the above-mentioned liquid crystal display panel, the connector is a tenon, which is used to clamp the lower glass substrate and the frame structure, so as to fixedly connect the lower glass substrate and the frame structure, and the tenon is distributed on the liquid crystal The area vertically corresponding to the non-visible area of the display panel.

A liquid crystal display panel, a frame structure fixes the liquid crystal display panel, the liquid crystal display panel includes a visible area and a non-visible area, the liquid crystal display panel includes:

A glass substrate is placed horizontally and fixedly connected to an inner side of the frame structure;

a plastic frame, located between the periphery of the liquid crystal display panel and the frame structure; and

A connecting object is used to clamp and fix the frame structure and the lower glass substrate, and the connecting object is distributed in the area vertically corresponding to the non-visible area of the liquid crystal display panel, so that the lower surface of the lower glass substrate and the frame The inner side of the structure is in contact, and the lower glass substrate is closely attached to the frame structure.

The above liquid crystal display panel, wherein the liquid crystal display panel is a touch-sensitive liquid crystal display panel.

In the above liquid crystal display panel, the connectors are buckle points for buckling the lower glass substrate and the frame structure so as to fixedly connect the lower glass substrate and the frame structure, and the buckle points are distributed on the liquid crystal The area vertically corresponding to the non-visible area of the display panel.

In the above-mentioned liquid crystal display panel, the connector is a tenon, which is used to clamp the lower glass substrate and the frame structure, so as to fixedly connect the lower glass substrate and the frame structure, and the tenon is distributed on the liquid crystal The area vertically corresponding to the non-visible area of the display panel.

The features and advantages of the present invention are: by the connection object of the liquid crystal display panel of the present invention, and the position of the connection object fixedly connecting the frame structure and the lower glass substrate, the direction perpendicular to the visible area of the liquid crystal display panel or the black matrix distribution The vertical areas do not overlap, that is, the connecting objects are distributed in the vertical distribution area of the non-visible area of the liquid crystal display panel. In this way, the lower glass substrate is closely attached to the frame structure, thereby overcoming the defects of the prior art, and preventing the display screen of the liquid crystal display panel from producing ripples when the touch operation is performed in a simple and economical manner.

Description of drawings

FIG. 1A is a schematic diagram of a flat panel display of a known technology;

1B is a schematic diagram of a state where the liquid crystal layer is not pressed by an external force;

FIG. 1C is a schematic diagram of a state where the liquid crystal layer is pressed by an external force;

Fig. 2 is a top view of the distribution area of the connectors of the present invention;

3A is a side view sectional view of the liquid crystal display panel and the frame structure of the present invention connected and fixed by double-sided adhesive;

3B is a side view sectional view of the liquid crystal display panel and the frame structure of the present invention connected and fixed by adhesive tape;

3C is a side sectional view of the liquid crystal display panel and the frame structure of the present invention connected and fixed by tenons;

3D is a side sectional view of the liquid crystal display panel and the frame structure of the present invention connected and fixed by buckle points;

Fig. 4 is a three-dimensional schematic view of the tenon of the present invention; and

Fig. 5 is a three-dimensional schematic view of the buckle point of the present invention.

Explanation of reference numbers:

2. Flat panel display 3. 30. Liquid crystal display panel 4. 44. Double-sided tape

6. 40. Frame structure 8. Stylus 9. 38. Upper glass substrate

10. 36. Lower glass substrate 12. Spacers 13. Liquid crystal layer 14. Liquid crystal molecules

32. Visual area 34. Black matrix 42. Plastic frame 46. Adhesive tape

48. Tenon 50. Buckle point 52. Driver chip 33. Non-visual area

Detailed ways

Regarding the technical solutions and advantages of the present invention, a further understanding can be obtained from the following detailed description of the invention and the accompanying drawings.

Please refer to FIG. 2 . FIG. 2 is a top view of the distribution area of the connectors of the present invention. The present invention relates to a liquid crystal display panel 30 used in a flat panel display, in particular to a touch-sensitive liquid crystal display panel 30 . Looking at the liquid crystal display panel 30 from the top view of FIG. 2 , the liquid crystal display panel 30 includes a visible area 32 and a non-visible area 33 . The visible area 32 is used to provide the display screen of the flat-panel display, and the rest is the non-visible area 33 . In addition, the area where the black matrix 34 is distributed in the liquid crystal display panel 30 is a visible area for providing the image to be displayed, but generally speaking, the area where the black matrix 34 is distributed is slightly larger than the visible area 32 Some have the same size as the upper glass substrate 38, not only for the convenience of manufacture, but also to ensure that the viewing area 32 displays a complete picture. The bottom glass substrate 36 is the largest, so that an additional driving chip 52 is placed, so that the outermost edge of the entire liquid crystal display panel 30 is the edge of the lower glass substrate 36 .

Please refer to FIG. 3A , FIG. 3B , FIG. 3C and FIG. 3D . 3A , 3B , 3C and 3D are side cross-sectional views of the liquid crystal display panel 30 and the frame structure 40 connected and fixed by the connectors 44 , 46 , 48 , 50 of the present invention, respectively. The present invention uses a frame structure 40 to protect and fix the liquid crystal display panel 30 . The liquid crystal display panel 30 includes a lower glass substrate 36 and a connector 44 , 46 , 48 , 50 , an upper glass substrate 38 , a black matrix 34 and a plastic frame 42 .

The upper glass substrate 38 and the lower glass substrate 36 are sandwiched to form the main body of the liquid crystal display panel 30 . The black matrix 34 is placed inside the upper glass substrate 38 , has the same size as the upper glass substrate 38 , and has a slightly larger range than the visible area 32 . The plastic frame 42 is placed between the liquid crystal display panel 30 and the frame structure 40 to stabilize the liquid crystal display panel 30 from moving in the horizontal direction. The lower glass substrate 36 is placed horizontally on an inner side of the frame structure 40 , and the lower glass substrate 36 and the frame structure 40 are fixedly connected by connectors 44 , 46 , 48 , 50 . Connector can adopt double-sided adhesive tape 44, an adhesive tape 4

6. One buckle point 50, or one tenon 48. The areas where the connectors 44, 46, 48, 50 are distributed must not overlap with the vertical direction of the visible area 32 of the liquid crystal display panel 30, that is, the connectors 44, 46, 48, 50 must be distributed in the non-visible area 33 corresponds to the vertical position. Alternatively, the areas where the connectors 44, 46, 48, 50 are distributed do not overlap with the vertical areas where the black matrix 34 of the liquid crystal display panel 30 is distributed, because usually for the convenience of manufacture, the area where the black matrix 34 is distributed will be relatively small. The visible area 32 is large, so the visible area 32 is defined by the area distributed by the black matrix 34 to limit the area distributed by the connectors 44, 46, 48, 50, so that the lower glass substrate 36 and the frame structure 40 are closely attached , can also achieve the effect of preventing ripple.

Please refer to FIG. 3A , such as the aforementioned liquid crystal display panel 30 , wherein the connecting object can be a double-sided adhesive tape 44 , an adhesive tape 46 , a buckle point 50 , or a tenon 48 . If the double-sided adhesive 44 is used, the double-sided adhesive 44 needs to be disposed between the lower glass substrate 36 and the frame structure 40 , and the lower glass substrate 36 and the frame structure 40 are fixedly bonded by the adhesiveness of both sides. It is further emphasized here that the area where the double-sided adhesive tape 44 is distributed does not overlap with the vertical direction of the visible area 32 of the liquid crystal display panel 30 or the vertical area of the distribution of the black matrix 34, and it is pasted on the outside of the visible area 32 and the lower glass. Between the edges of the substrate 36 , or between the area where the black matrix 34 is distributed and the edge of the lower glass substrate 36 , that is, it must be attached to the vertically corresponding area of the non-visible area 33 .

Please refer to FIG. 3B , the adhesive tape 46 covers and sticks the lower glass substrate 36 and the frame structure 40, using the sticky part on one side of the adhesive tape 46, from the upper surface of the lower glass substrate 36, along the side surface of the lower glass substrate 36, stick the package Cover to the inner surface of the frame structure 40 , so as to fix and bond the lower glass substrate 36 and the frame structure 40 . It should also be emphasized that the area where the adhesive tape 46 is distributed does not overlap with the vertical direction of the visible area 32 of the liquid crystal display panel 30 or the vertical area of the distribution of the black matrix 34, and is attached to the outside of the visible area 32 and the lower glass. Between the edges of the substrate 36 , or between the area where the black matrix 34 is distributed and the edge of the lower glass substrate 36 , that is, it must be attached to the vertically corresponding area of the non-visible area 33 .

Please refer to FIG. 3C together with FIG. 4 . FIG. 4 is a three-dimensional schematic diagram of the tenon 48 of the present invention. The tenon 48 is an elongated engaging groove for engaging the lower glass substrate 36 , thereby clipping the lower glass substrate 36 and connecting the frame structure 40 , so as to fixedly connect the lower glass substrate 36 and the frame structure 40 . The tenon 48 can be made of the same material extending from the rubber frame 42 and integrally formed with the rubber frame 42 . It should be emphasized that the area where the tenon 48 is distributed does not overlap with the vertical direction of the visible area 32 of the liquid crystal display panel 30 or the vertical area where the black matrix 34 is distributed, but is distributed outside the visible area 32 and adjacent to the lower glass substrate 36. between the edges of the black matrix 34 or between the edge of the lower glass substrate 36 outside the area where the black matrix 34 is distributed, that is, must be distributed in the area corresponding to the non-visible area 33 vertically.

Please refer to FIG. 3D together with FIG. 5 . FIG. 5 is a three-dimensional schematic diagram of the buckle point 50 of the present invention. The buckle points 50 are used to clamp the lower glass substrate 36 and the frame structure 40 so as to fix the lower glass substrate 36 and the frame structure 40 . The difference between the buckle point 50 and the tenon 48 is that the buckle point 50 is a separate clamping object to engage the lower glass substrate 36 and the frame structure 40, and the tenon 48 is a long engaging groove to engage the lower glass substrate 36 and the frame structure 40. The lower glass substrate 36 and the frame structure 40 are fixedly connected to the lower glass substrate 36 and the frame structure 40 through the buckle points 50 . It should be emphasized that the area where the buckle points 50 are distributed does not overlap with the vertical direction of the visible area 32 of the liquid crystal display panel 30 or the vertical area where the black matrix 34 is distributed, but is distributed outside the visible area 32 and adjacent to the lower glass substrate 36. between the edges of the black matrix 34 or between the edge of the lower glass substrate 36 outside the area where the black matrix 34 is distributed, that is, must be distributed in the area corresponding to the non-visible area 33 vertically.

Therefore, by the connectors 44, 46, 48, 50 of the liquid crystal display panel 30 of the present invention, and the positions where the connectors are fixedly connected to the frame structure 40 and the lower glass substrate 36, they are perpendicular to the visible area 32 of the liquid crystal display panel 30 The directions or the vertical areas where the black matrix 34 is distributed do not overlap, that is, the connectors 44 , 46 , 48 , 50 must be distributed in the non-visible area 33 . In this way, the lower glass substrate 36 is closely attached to the frame structure 40, which can prevent the display screen of the liquid crystal display panel 30 from being deformed due to uneven force when the display screen of the liquid crystal display panel 30 is touched. The displayed screen produces ripples.

Although the present invention has been disclosed with preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make replacements of equivalent components without departing from the concept and scope of the present invention, or replace them according to the present invention. The equivalent changes and modifications made in the scope of patent protection shall still fall within the scope of this patent.

Claims (10)

1, a kind of display panels is characterized in that: a framed structure is fixed this display panels, and this display panels comprises a visible area and a non-visible area, and this display panels comprises:

One lower glass substrate, level is pasted an inboard of putting and being fixedly connected on this framed structure;

One glue frame is around this display panels and between this framed structure; And

One connector, in order to be connected and fixed this framed structure and this lower glass substrate, and this connector be distributed in this display panels non-visible area vertical corresponding zone, make the lower surface of this lower glass substrate and the interior side contacts of this framed structure, and this lower glass substrate and this framed structure are fitted tightly.

2, display panels as claimed in claim 1 is characterized in that: described display panels is a touch-control liquid crystal display panel.

3, display panels as claimed in claim 1, it is characterized in that: described connector is a double faced adhesive tape, be arranged between above-mentioned lower glass substrate and this framed structure, with fixedly connected this lower glass substrate and this framed structure, and this double faced adhesive tape be distributed in described display panels non-visible area vertical corresponding zone.

4, display panels as claimed in claim 1, it is characterized in that: described connector is an adhesive tape, this lower glass substrate and this framed structure are pasted in coating, with fixedly connected this lower glass substrate and this framed structure, and described adhesive tape be distributed in this display panels non-visible area vertical corresponding zone.

5, display panels as claimed in claim 1, it is characterized in that: described connector is the button point, in order to this lower glass substrate of clip and this framed structure, with fixedly connected this lower glass substrate and this framed structure, and described button point be distributed in this display panels non-visible area vertical corresponding zone.

6, display panels as claimed in claim 1, it is characterized in that: described connector is a trip, in order to this lower glass substrate of clip and this framed structure, with fixedly connected this lower glass substrate and this framed structure, and described trip be distributed in this display panels non-visible area vertical corresponding zone.

7, a kind of display panels is characterized in that: a framed structure is fixed this display panels, and this display panels comprises a visible area and a non-visible area, and this display panels comprises:

One lower glass substrate, level is pasted an inboard of putting and being fixedly connected on this framed structure;

One glue frame is around this display panels and between this framed structure; And

One connector, fix this framed structure and this lower glass substrate in order to clip, and this connector be distributed in this display panels non-visible area vertical corresponding zone, make the lower surface of this lower glass substrate and the interior side contacts of this framed structure, and this lower glass substrate and this framed structure are fitted tightly.

8, display panels as claimed in claim 7 is characterized in that: described display panels is a touch-control liquid crystal display panel.

9, display panels as claimed in claim 7, it is characterized in that: described connector is the button point, in order to this lower glass substrate of clip and this framed structure, with fixedly connected this lower glass substrate and this framed structure, and described button point be distributed in this display panels non-visible area vertical corresponding zone.

10, display panels as claimed in claim 7, it is characterized in that: described connector is a trip, in order to this lower glass substrate of clip and this framed structure, with fixedly connected this lower glass substrate and this framed structure, and described trip be distributed in this display panels non-visible area vertical corresponding zone.

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