CN212781581U - Liquid crystal display device having a plurality of pixel electrodes - Google Patents
Liquid crystal display device having a plurality of pixel electrodes Download PDFInfo
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- CN212781581U CN212781581U CN202022097629.6U CN202022097629U CN212781581U CN 212781581 U CN212781581 U CN 212781581U CN 202022097629 U CN202022097629 U CN 202022097629U CN 212781581 U CN212781581 U CN 212781581U
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Abstract
The utility model provides a liquid crystal display device, include, liquid crystal display panel, center and connecting piece, liquid crystal display panel covers on the center, liquid crystal display panel has the frame relative with the center and glues the district, and the connecting piece is used for the connection frame to glue district and center, and the connecting piece is located the lateral surface that the district was glued to the frame, and glues the lateral surface in district with the frame and bond, and the lateral surface of connecting piece extensible center, and bonds with the lateral surface of center. The utility model provides a liquid crystal display device increases liquid crystal display panel's frame and glues the stability of district and center connection to improve liquid crystal display device's quality.
Description
Technical Field
The utility model relates to a display field especially relates to a liquid crystal display device.
Background
Liquid Crystal Displays (LCDs) have low power consumption and thin profile, and are widely used in various electronic products, such as displays, notebook computers, digital cameras, mobile phones, and the like.
In some conventional liquid crystal display devices, it is required to reduce the frame margin outside the display area as much as possible to achieve a narrow frame margin or a no-frame glue region. Specifically, the liquid crystal display device may include a liquid crystal panel and a middle frame, wherein the glue frame area at the edge of the liquid crystal panel and the middle frame are connected by a double-sided glue to fix the liquid crystal panel to the middle frame.
However, with the requirement of narrow frame border or no frame border, the frame border area of the liquid crystal panel becomes narrower and narrower, which results in the decrease of the connection stability between the frame border area and the middle frame of the liquid crystal panel and the reduction of the quality of the liquid crystal display device.
SUMMERY OF THE UTILITY MODEL
The utility model provides a liquid crystal display device increases liquid crystal display panel's frame and glues the stability of district and center connection to improve liquid crystal display device's quality.
The utility model provides a liquid crystal display device, include, liquid crystal display panel, center and connecting piece, liquid crystal display panel covers on the center, and liquid crystal display panel has the frame relative with the center and glues the district, and the connecting piece is used for the splice box to glue district and center, and the connecting piece is located the lateral surface that the district was glued to the frame, and glues the lateral surface in district with the frame and bond, and the connecting piece extends to the lateral surface of center, and bonds with the lateral surface of center.
As an alternative, the present invention provides a liquid crystal display device,
the connecting piece includes first connecting portion and the second connecting portion that link to each other with first connecting portion, and the lateral surface in district is glued to at least partial frame is covered to first connecting portion, and the lateral surface of at least partial center is covered to the second connecting portion.
As an alternative, the present invention provides a liquid crystal display device,
the outer side surface of the frame rubber area is flush with the outer side surface of the middle frame, and the length of the first connecting part in the extending direction is equal to the thickness of the frame rubber area;
the length of the extending direction of the second connecting part is smaller than the thickness of the middle frame, wherein the extending direction of the first connecting part and the extending direction of the second connecting part are both the thickness direction of the liquid crystal panel.
As an alternative, the present invention provides a liquid crystal display device,
the length of the second connecting part in the extending direction is greater than or equal to the length of the first connecting part in the extending direction, and is less than or equal to 1.5 times of the length of the first connecting part in the extending direction.
As an alternative, the present invention provides a liquid crystal display device,
the connecting piece is a glue layer.
As an alternative, the present invention provides a liquid crystal display device,
the glue layer is a UV glue layer.
As an alternative, the present invention provides a liquid crystal display device,
the glue layer is a spraying glue layer.
As an alternative, the present invention provides a liquid crystal display device,
the lateral surface of center is equipped with the laminating district that is used for improving the connecting piece and the lateral surface of center and combines, and the connecting piece covers at least partial laminating district.
As an alternative, the present invention provides a liquid crystal display device,
the bonding area is a sand blasting surface or a textured surface.
As an alternative, the present invention provides a liquid crystal display device,
the middle frame comprises at least four flat plates which are sequentially connected end to form a rectangular frame, the liquid crystal panel comprises a backlight module, and the backlight module is positioned in the rectangular frame.
This embodiment provides a liquid crystal display device, through setting up the connecting piece, glues district and center through the connecting piece joint frame, and the connecting piece bonds the lateral surface in district is glued to the frame to and the lateral surface of center. Therefore, the frame rubber area and the middle frame do not need to be connected by the rubber frame area positioned on the contact surface of the frame rubber area and the middle frame, and the size of the rubber frame area is not limited, so that the connection stability of the frame rubber area and the middle frame is improved, and the quality of the liquid crystal display device is improved.
Drawings
In order to illustrate the technical solutions of the present invention or the prior art more clearly, the drawings used in the following description of the embodiments or the prior art will be briefly introduced, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.
FIG. 1 is a schematic view illustrating a connection between a liquid crystal panel and a middle frame in the prior art;
fig. 2 is a schematic structural diagram of a liquid crystal display device according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
fig. 4 is a second top view of the liquid crystal panel, the middle frame and the connecting member in the liquid crystal display device according to the embodiment of the present invention;
FIG. 5 is a first side view of FIG. 4;
FIG. 6 is a second side view of FIG. 4;
FIG. 7 is a third side view of FIG. 4;
fig. 8 is a first top view of a liquid crystal panel, a middle frame and a connecting member in a liquid crystal display device according to an embodiment of the present invention;
FIG. 9 is a side view of FIG. 8;
FIG. 10 is a second cross-sectional view taken along line A-A of FIG. 2.
Description of reference numerals:
100. 100 a-a liquid crystal panel;
110 a-an upper polarizer;
120 a-a first substrate;
130 a-color filters;
140 a-liquid crystal molecules;
150 a-thin film transistor;
160 a-a second substrate;
170 a-lower polarizer;
180a, 180-frame glue area;
200. 200 a-middle frame;
210-a laminating area;
300a, 300-backlight module;
400 a-double sided tape;
500-a connector;
510-a first connection;
520-a second connection;
600-a rear shell;
b-thickness direction of the liquid crystal panel.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, an indirect connection through an intermediary, a connection between two elements, or an interactive relationship between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The terms "first," "second," and "third" (if any) in the description and claims of this invention and the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.
Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or maintenance tool that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or maintenance tool.
With the continuous development of science and technology, Liquid Crystal Displays (LCD) are getting a new breakthrough. Since the market demands not only higher quality but also low power consumption and portability of display devices, new technologies are continuously applied to LCDs. Modern people show obvious portability requirements on commodities, and the shift of LCDs to be light and thin promotes the development of glass thinning. Meanwhile, mobile devices such as mobile phones and the like require that the area of a display screen is increased under the condition that the overall dimension of the device is not changed, the market needs to reform the LCD and reduce the area of a non-display area urgently, and therefore, in order to realize narrow edge, more and more technologies are developed.
Fig. 1 is a schematic diagram illustrating a connection between a liquid crystal panel and a middle frame in the prior art. Referring to fig. 1, the liquid crystal display device may include a liquid crystal panel 100a and a middle frame 200a, wherein the liquid crystal panel 100a is an important component of the liquid crystal display device, and the quality of the liquid crystal panel may directly affect the color, brightness, contrast, viewing angle, and other functional parameters and display effects of the liquid crystal display device.
The liquid crystal panel 100a may include an upper polarizer 110a, a first substrate 120a, a color filter 130a, liquid crystal molecules 140a, a Thin Film Transistor (TFT) 150a, a second substrate 160a, and a lower polarizer 170a, which are sequentially stacked, and a backlight module 300a is further disposed below the upper polarizer 170 a. The backlight module 300a may include an upper diffusion film, an upper brightness enhancement film, a lower diffusion film, a light guide plate, a light source, and a reflective film, which are sequentially disposed, wherein the upper diffusion film is located between the lower polarizer 170a and the upper brightness enhancement film.
Specifically, the frame adhesive area 180a is disposed below the upper polarizer 110a, the frame adhesive area 180a is used for fixing the edge 100a of the liquid crystal panel, the frame adhesive area 180a is opposite to the middle frame 200a, and the frame adhesive area 180a is disposed around the upper polarizer 110a and is adhered to the upper end of the middle frame 200a by the double-sided adhesive tape 400 a. However, with the requirement of the frame narrowing or the frame-free frame forming, the frame glue area 180a becomes narrower and narrower, which causes the frame glue area to become narrower and narrower, and the stability of the connection between the frame glue area 180a of the liquid crystal panel 100a and the middle frame 200a is reduced, thereby reducing the quality of the liquid crystal display device.
Based on this, the embodiment of the utility model provides a liquid crystal display device can increase liquid crystal display panel's frame and glue the stability of district and center connection to improve liquid crystal display device's quality.
The present invention will be described in detail with reference to the following embodiments.
Fig. 2 is a schematic structural diagram of a liquid crystal display device according to an embodiment of the present invention; fig. 3 is a cross-sectional view a-a of fig. 2.
Wherein, the liquid crystal display device of the utility model can be a display, a notebook computer, a digital camera, a mobile phone, etc. For convenience of description, the embodiments of the present invention are described with reference to a liquid crystal display device as a display,
referring to fig. 2 and 3, an embodiment of the present invention provides a liquid crystal display device, which may include a liquid crystal panel 100, a middle frame 200 and a connecting member 500, wherein the liquid crystal panel 100 covers the middle frame 200, the liquid crystal panel 100 has a frame glue area 180, the frame glue area 180 faces the middle frame 200, the connecting member 500 is used to connect the frame glue area 180 and the middle frame 200, the connecting member 500 is located on the outer side of the frame glue area 180 and is bonded to the outer side of the frame glue area 180, and the connecting member 500 extends to the outer side of the middle frame 200 and is bonded to the outer side of the middle frame 200.
The liquid crystal display device may further include a rear case 600, the rear case 600 is connected to the middle frame 200, and the rear case 600 is opposite to the liquid crystal panel 100. The rear case 600 may have a plate shape, the middle frame 200 may have a rectangular frame structure, and the liquid crystal panel 100 and the rear case 600 may cover opposite ends of the middle frame 200, respectively.
In this embodiment, in order to connect the frame rubber region 180 of the liquid crystal panel 100 and the middle frame 200, a connecting member 500 is further provided, and the connecting member 500 is adhered to the outer side surface of the frame rubber region 180 and the outer side surface of the middle frame 200. Therefore, the frame rubber area 180 and the middle frame 200 are connected without depending on the rubber frame area positioned on the contact surface of the frame rubber area 180 and the middle frame 200, and the frame rubber area 180 is not limited by the size of the rubber frame area, so that the connection stability of the frame rubber area 180 and the middle frame 200 of the liquid crystal panel 100 is improved, and the quality of the liquid crystal display device is improved.
In the implementation, the middle frame 200 includes at least four flat plates, the flat plates are sequentially connected end to form a rectangular frame, the liquid crystal panel 100 further includes a backlight module 300, and the backlight module 300 is located in the rectangular frame.
In some embodiments, the outer side surface of the frame rubber region 180 is flush with the outer side surface of the middle frame 200, that is, the outer side surface of the frame rubber region 180 and the outer side surface of the middle frame 200 are located in the same plane, thereby facilitating the connection of the connecting member 500 between the outer side surface of the frame rubber region 180 and the outer side surface of the middle frame 200.
Specifically, the connection member 500 may include a first connection portion 510 and a second connection portion 520 connected to the first connection portion 510, the first connection portion 510 is located on the outer side of the frame glue region 180, the length of the first connection portion 510 in the extending direction is equal to the thickness of the liquid crystal panel 100, the second connection portion 520 is located on the outer side of the middle frame 200, the length of the second connection portion 520 in the extending direction is less than the thickness of the middle frame 200, and both the length of the first connection portion 510 in the extending direction and the length of the second connection portion 520 in the extending direction are the thickness direction B of the liquid crystal panel.
In a specific implementation, the outer side surface of the frame rubber area 180 entirely covers the first connecting portion 510, the outer side surface of a part of the middle frame 200 covers the second connecting portion 520, and the outer side surface of the middle frame 200 covered with the second connecting portion 520 is close to the frame rubber area 180. Therefore, the outer side surface of the frame rubber area 180 of the liquid crystal panel 100 and the outer side surface of the middle frame 200 can be firmly connected. Further, the length of the second connecting portion 520 in the extending direction is smaller than the thickness of the middle frame 200, so that the cost is saved while the outer side surface of the frame rubber region 180 of the liquid crystal panel 100 and the outer side surface of the middle frame 200 are stably connected.
Fig. 4 is a second top view of the liquid crystal panel, the middle frame and the connecting member in the liquid crystal display device according to the embodiment of the present invention; fig. 5 is a first side view of fig. 4. Referring to fig. 4 and 5, in one possible implementation, the first connecting portion 510 is disposed around the outer side surface of the frame glue area 180, and the second connecting portion 520 is disposed around the outer side surface of the middle frame 200, so that the first connecting portion 510 and the second connecting portion 520 are conveniently disposed, and the middle frame 200 and the frame glue area 180 are conveniently connected.
Fig. 6 is a second side view of fig. 4. Referring to fig. 4 and 6, in another possible implementation manner, the first connecting portions 510 are arranged around the outer side surface of the frame rubber region 180, the number of the second connecting portions 520 is multiple, the second connecting portions 520 are arranged around the outer side surface of the middle frame 200 at intervals, and the intervals between the second connecting portions 520 may be equal. Therefore, the outer side surface of the frame rubber area 180 and the outer side surface of the middle frame 200 are firmly connected, and meanwhile, the cost is saved.
Fig. 7 is a side view three of fig. 4. Referring to fig. 4 and 7, in a third possible implementation manner, the number of the first connection portions 510 is multiple, and the first connection portions 510 are arranged at intervals around the outer side surface of the frame rubber region 180, wherein the intervals between the first connection portions 510 may be equal. The second connecting portion 520 is disposed around the outer side surface of the middle frame 200. Therefore, the outer side surface of the frame rubber area 180 and the outer side surface of the middle frame 200 are firmly connected, and meanwhile, the cost is saved.
Fig. 8 is a first top view of a liquid crystal panel, a middle frame and a connecting member in a liquid crystal display device according to an embodiment of the present invention; fig. 9 is a side view of fig. 8. Referring to fig. 8 and 9, in a fourth possible implementation manner, the number of the first connection portions 510 and the second connection portions 520 is multiple, and the first connection portions 510 and the second connection portions 520 are arranged in a one-to-one correspondence manner, that is, the number of the connection members 500 is multiple, each first connection portion 510 is arranged around the outer side surface of the frame rubber region 180 at intervals, and each second connection portion 520 is arranged around the outer side surface of the middle frame 200 at intervals. The first connection portions 510 may be equally spaced from each other, and the second connection portions 520 may be equally spaced from each other. Therefore, the outer side surface of the frame rubber area 180 and the outer side surface of the middle frame 200 are firmly connected, and meanwhile, the cost is saved.
Optionally, in the liquid crystal display device provided by the present invention, the length of the extending direction of the second connecting portion 520 is greater than or equal to the length of the extending direction of the first connecting portion 510, and is less than or equal to 1.5 times the length of the extending direction of the first connecting portion 510. When the length of the second connecting portion 520 in the extending direction is less than the length of the first connecting portion 510 in the extending direction, it is difficult to ensure the stable connection between the outer side surface of the frame rubber region 180 and the outer side surface of the middle frame 200. When the length of the second connection portion 520 in the extending direction is greater than 1.5 times the length of the first connection portion 510 in the extending direction, it is not beneficial to reduce the cost.
In some embodiments, the connector 500 is a glue layer. Specifically, the adhesive layer is a UV adhesive layer. The UV adhesive can also be called shadowless adhesive, photosensitive adhesive or ultraviolet curing adhesive, and the UV adhesive is an adhesive which can be cured only by ultraviolet irradiation. In this embodiment, the shape of the glue layer is not limited.
In a specific implementation, the glue layer can be formed by spraying. Thereby, it is convenient to control the shape of the connector 500.
Optionally, the thickness of the glue layer is greater than or equal to 0.5mm and less than or equal to 2 mm.
From this, the thickness of glue film is less than 0.5mm, is unfavorable for the lateral surface of frame gluey district 180 and the lateral surface of center 200 to be connected firmly, and the thickness of glue film is greater than 2mm, is unfavorable for saving the cost. The thickness of the glue layer is controlled to be 0.5mm to 2mm, and the cost is saved when the outer side surface of the glue area 180 of the connecting frame and the outer side surface of the middle frame 200 are stably connected.
FIG. 10 is a second cross-sectional view taken along line A-A of FIG. 2. Referring to fig. 8, in the liquid crystal display device of the present invention, the outer side of the middle frame 200 is provided with a bonding region 210 for improving the combination of the connecting member 500 and the outer side of the middle frame 200, and the connecting member 500 covers at least a part of the bonding region 210. The surface in the attachment area 210 is a rough surface, that is, a part of the outer side surface of the middle frame 200 is set to be a rough surface, so that the bonding stability between the second connecting part 520 and the outer side surface of the middle frame 200 is improved.
In some embodiments, the conforming region 210 is a sand blast surface. That is, a portion of the outer side surface of the middle frame 200 is subjected to sand blasting to increase the roughness of the outer side surface of the middle frame 200.
Specifically, sandblasting is a process of cleaning and roughening the surface of a substrate by the impact action of a high-speed sand stream. Compressed air is used as power to form a high-speed spray beam to spray materials (copper ore sand, quartz sand, carborundum, iron sand and Hainan sand) to the surface of a workpiece to be treated at a high speed, so that the appearance or the shape of the outer surface of the workpiece is changed, and the surface of the workpiece obtains certain cleanliness and different roughness due to the impact and the cutting action of an abrasive on the surface of the workpiece, so that the mechanical property of the surface of the workpiece is improved, the fatigue resistance of the workpiece is improved, the adhesive force between the surface of the workpiece and a coating is increased, and the durability of a coating film is prolonged.
In this embodiment, the material spraying is not limited, and in a specific implementation, the material spraying may be selected according to the material of the middle frame 200.
In other embodiments, the landing zone 210 is a textured surface. That is, a part of the outer side surface of the middle frame 200 is subjected to a knurling process. Wherein the texture is formed by performing corrosion reaction on the surface of steel with chemical liquid such as concentrated sulfuric acid to form snakeskin, etched texture, pear land or other patterns.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a liquid crystal display device which characterized in that includes, liquid crystal display panel, center and connecting piece, liquid crystal display panel covers on the center, liquid crystal display panel have with the frame that the center is relative glues the district, the connecting piece is used for connecting the frame glue the district with the center, the connecting piece is located the lateral surface in district is glued to the frame, and with the lateral surface in district is glued to the frame bonds, the connecting piece extends to the lateral surface of center, and with the lateral surface of center bonds.
2. The liquid crystal display device according to claim 1, wherein the connecting member includes a first connecting portion and a second connecting portion connected to the first connecting portion, the first connecting portion covers at least a portion of an outer side surface of the frame glue region, and the second connecting portion covers at least a portion of an outer side surface of the middle frame.
3. The liquid crystal display device according to claim 2, wherein an outer side surface of the frame rubber region is flush with an outer side surface of the middle frame, and a length of the first connecting portion in an extending direction is equal to a thickness of the frame rubber region;
the length of the second connecting part in the extending direction is smaller than the thickness of the middle frame, wherein the extending direction of the first connecting part and the extending direction of the second connecting part are both in the thickness direction of the liquid crystal panel.
4. The liquid crystal display device according to claim 3, wherein a length of the second connection portion in the extending direction is greater than or equal to a length of the first connection portion in the extending direction, and is less than or equal to 1.5 times the length of the first connection portion in the extending direction.
5. The liquid crystal display device according to claim 1, wherein the connecting member is a glue layer.
6. The liquid crystal display device according to claim 5, wherein the adhesive layer is a UV adhesive layer.
7. The liquid crystal display device according to claim 5, wherein the adhesive layer is a spray-on adhesive layer.
8. The liquid crystal display device according to any one of claims 1 to 7, wherein the outer side surface of the middle frame is provided with a bonding area for improving bonding of a connecting member to the outer side surface of the middle frame, the connecting member covering at least a part of the bonding area.
9. The liquid crystal display device according to claim 8, wherein the attachment region is a sandblasted surface or a textured surface.
10. The LCD device according to any of claims 1 to 7, wherein the middle frame comprises at least four flat plates, the flat plates are sequentially connected end to form a rectangular frame, the LCD panel comprises a backlight module, and the backlight module is positioned in the rectangular frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022097629.6U CN212781581U (en) | 2020-09-22 | 2020-09-22 | Liquid crystal display device having a plurality of pixel electrodes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022097629.6U CN212781581U (en) | 2020-09-22 | 2020-09-22 | Liquid crystal display device having a plurality of pixel electrodes |
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| Publication Number | Publication Date |
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| CN212781581U true CN212781581U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022097629.6U Active CN212781581U (en) | 2020-09-22 | 2020-09-22 | Liquid crystal display device having a plurality of pixel electrodes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113554945A (en) * | 2021-07-08 | 2021-10-26 | 惠州华星光电显示有限公司 | Middle frame and display device |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113554945A (en) * | 2021-07-08 | 2021-10-26 | 惠州华星光电显示有限公司 | Middle frame and display device |
| CN113554945B (en) * | 2021-07-08 | 2022-04-01 | 惠州华星光电显示有限公司 | Middle frame and display device |
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Address after: No. 1778, Qinglan Road, Huangjia Street, Shuangliu District, Chengdu, Sichuan 610200 Patentee after: Chengdu BOE Display Technology Co.,Ltd. Country or region after: China Address before: No. 1778, Qinglan Road, Gongxing street, Shuangliu District, Chengdu, Sichuan 610200 Patentee before: CHENGDU ZHONGDIAN PANDA DISPLAY TECHNOLOGY Co.,Ltd. Country or region before: China |