TWI536075B - Double-sided display of liquid crystal devices and its application of the frame structure - Google Patents

Description

Double-sided display liquid crystal device and its application frame structure

The present invention relates to a double-sided display liquid crystal device and a frame structure thereof, and more particularly to a structure in which an upper frame is manufactured by integral injection molding to complete packaging, thereby saving the assembly cost.

According to the increasing maturity of optoelectronic technology and semiconductor manufacturing technology, a wide variety of display devices are being developed in large numbers. Among them, liquid crystal displays have low operating voltage and no radiation scattering. The advantages of smaller specific product and lighter weight have gradually replaced traditional cathode ray tube displays in recent years, and have become the mainstream of display products on the market.

In general, liquid crystal displays mostly include many different modules, such as backlight modules, liquid crystal display panels, front frames, fixed frames, and load-bearing frames. For example, in order to fix the backlight module. The relative position of the liquid crystal display panel or the front frame is assembled on the liquid crystal display panel. Therefore, most of these modules must be assembled by a certain assembly method. The assembly methods commonly used in the prior art require a large number of screws or other locking components to be locked, which not only complicates the assembly process but also has high mechanism cost; based on the manpower of the assembly operator, the human resources and labor costs will also be The substantial increase is obviously not in line with the benefits of most industries or factories to reduce manufacturing costs.

Furthermore, conventional techniques must pass through a large number of screws or locking elements to lock multiple modules or mechanism components, often due to slight touch or movement during assembly. Not accurate enough, even unable to achieve a firm locking relationship, which not only affects the assembly process, but also seriously affects the structural strength and firmness of the final product. In addition, if the case of not fully successful locking occurs, additional production processes and man-hours are required to be re-created, which also causes an increase in manufacturing cost and inconvenience.

In view of this, the present inventors have felt that the above-mentioned deficiencies can be improved, and based on years of experience in this field, carefully observed and studied, and with the use of academics, propose a novel design and effectively improve the above-mentioned defects. The present invention discloses a frame structure of a double-sided display liquid crystal device and an application thereof, which can effectively eliminate the locking components and assembly costs that must be used in the prior art, and still complete a preferred assembly structure, and the specific structure and The embodiment will be described in detail below.

In order to solve the problems of the prior art, it is an object of the present invention to provide a frame structure for a double-sided display liquid crystal device and an application thereof, which is an improved assembly method, and adopts an innovative design frame structure instead. I used the commonly used assembly components to improve the lack of assembly components and high cost.

Another object of the present invention is to provide a frame structure for a double-sided display liquid crystal device and an application thereof, which utilizes an integrally formed upper frame body to be engaged with a liquid crystal device through the upper frame body while engaging the lower frame body. To complete the assembly. Thus, the present invention successfully replaces the commonly used mechanism parts with the integrally formed upper frame body, which not only saves material and labor costs, but also greatly reduces the weight of the product, and has the advantages of being thin and light.

A further object of the present invention is to provide a frame structure for a double-sided display liquid crystal device and an application thereof, wherein the double-sided display liquid crystal device to which the frame structure can be applied is a liquid crystal mode in which both front and back sides can independently display a picture. The group, both the front and the back, can be used for different purposes, such as providing a flat screen display, or a notebook screen display, all of which can be used to carry out the object of the invention.

Therefore, the double-sided display liquid crystal device according to the present invention includes a first display module, a light-emitting module, a second display module, a lower frame, and an upper frame. The first display module has a first surface to provide a first display image by using the first surface. The light emitting module is disposed below the first display module and configured to provide a light source. The second display module is disposed under the light emitting module, so that the light emitting module is sandwiched between the first display module and the second display module. The second display module has a second surface relative to the first surface to provide a second display image using the second surface. The first display module, the light emitting module and the second display module are layered to form a double-sided display liquid crystal device.

According to an embodiment of the invention, the lower frame system is disposed on a side of the second display module and extends below the second display module. The upper frame system is disposed on a side of the first display module, the second display module, and the light emitting module, and the upper frame system extends upward to bear the side edge of the first display module, and at the same time, the upper frame system The first display module, the second display module, and the light emitting module extend in a direction to be engaged between the first display module and the light emitting module, and between the light emitting module and the second display module, and the upper frame The body simultaneously engages the lower frame, thereby completing the packaged double-sided display liquid crystal device.

According to an embodiment of the present invention, the first display module and the second display module each include an upper polarizing plate and a lower polarizing plate, so that the light emitted by the light source can be imaged through the upper and lower polarizing plates. A display screen and a second display screen. Furthermore, the first surface on the first display module disclosed in the present invention may be a monolithic glass touch panel (OGS).

In another aspect, the present invention is directed to a frame structure that can be applied to a double-sided display liquid crystal device that is stacked by a first display module, a light-emitting module, and a second display module. The frame structure includes an upper frame and a lower frame, and the lower frame is disposed at a side of the second display module and extends below the second display module. The upper frame is disposed on a side of the double-sided display liquid crystal device, and extends upward to bear against a side edge of the first display module, and at the same time, the upper frame system extends toward the double-sided display liquid crystal device to be engaged with the first frame Between a display module and a light-emitting module, and between the light-emitting module and the second display module, and the upper frame is simultaneously joined to the lower frame, thereby completing the package of the double-sided display liquid crystal device.

According to an embodiment of the present invention, the upper frame system is a structure formed by integral molding, and the material thereof is, for example, a plastic or an alloy. Moreover, the upper frame further includes a first body portion, a clamping portion extending upward from the first body portion, and a protrusion portion protruding from the first body portion and extending toward the double-sided display liquid crystal device. The two engaging portions are engaged with the lower frame and the module to be fixed by the special structure, and detailed detailed features and introductions thereof will be described in detail by the following description.

The purpose, technical contents, features and effects achieved by the present invention will be more readily understood by the detailed description of the embodiments and the accompanying drawings.

The above description of the present invention is intended to be illustrative and illustrative of the spirit and principles of the invention, and to provide further explanation of the scope of the invention. The features, implementations, and utilities of the present invention are described in detail with reference to the preferred embodiments.

In order to facilitate the understanding of the present invention, the related art of a general double-sided display liquid crystal device is first introduced, as shown in FIG. 1, which is a schematic view of assembly of a conventional double-sided display liquid crystal device. As shown in the figure, the double-sided display liquid crystal device 1 includes an upper display module 10, an upper light source module 12, a lower light source module 22, and a lower display module 20. The upper display module 10 can include a plurality of component layers, from top to bottom, for example, a single glass touch panel (OGS), an optical transparent resin layer (Octical Clear Resin, OCR), Top Polarizer, Color Filter (CF), Thin Film Transistor (TFT), Lower Polarizer (Bottom Polarizer), and the like. Similarly, the lower display module 20 may also include a plurality of constituent layers, such as a Bottom Polarizer, a Thin Film Transistor (TFT), and a Color Filter (CF). With a top polarizer (Top Polarizer) and the like. Since the constituent layers are well known to those skilled in the art of liquid crystal display devices, and are not the focus of the present invention, the present invention is shown in broken lines in the drawings, thereby showing that the upper and lower display modules 10, 20 can be Each of them includes its basic composition, and those skilled in the art can design it according to the actual needs of the product, and the present invention will not be redundantly described.

The upper light source module 12 and the lower light source module 22 can also have a plurality of basic constituent layers. For example, the upper light source module 12 can include an optical film and a light guide (Light Guide). Plate, LGP), Reflector, and a Light Emitting Diode (LED) on one side of it to provide a projection source. The lower light source module 22 may include an anti-noise foil, a reflector, a light guide plate (LGP), an optical film, and another light on the side thereof. A diode (LED) to provide a projection source. In summary, in order to assemble the above different modules (including the upper display module 10, the upper light source module 12, the lower light source module 22, and the lower display module 20), the prior art must utilize one. A fixing frame 30 and a bezel 40 are used as components during assembly to lock the fixing frame 30 and the carrier frame 40 to an upper frame 50, and then engage with the lower frame 60. This completes the assembly process of the overall liquid crystal display device.

Referring to Fig. 2, it is a schematic cross-sectional view showing the assembled structure of the double-sided display liquid crystal device shown in Fig. 1. As shown in the figure, in order to assemble the double-sided display liquid crystal device 1, a locking component 70 is used to lock the fixing frame 30 and the carrier frame 40 between the upper frame 50 and the lower frame 60, so that By means of the locking element 70, the above-mentioned upper and lower display modules, the upper and lower light source modules and the upper and lower frames can be locked together. Figure 3 is a partially enlarged view of the conventional double-sided display liquid crystal device after assembly, and it can be clearly seen from the second to third figures that in the conventional assembled structure, the locking member 70 and the fixing frame are The carrier frame 40 is an integral component in the assembly process. Therefore, from this point of view, the conventional assembly method of the prior art requires a certain amount of locking components (for example, screws) or other types of locking components for locking, which not only causes the assembly process to be too complicated, and the mechanism The higher cost also significantly increases the labor and labor costs involved in the assembly process.

Therefore, in order to solve the problem of excessive assembly cost and excessive use of components, the present invention discloses a frame structure of a double-sided display liquid crystal device and an application thereof, as shown in FIG. 4, wherein the double-sided display liquid crystal The device includes a first display module 100 having a first surface to provide a first display image using the first surface. In this embodiment, the first surface is referred to as the upper surface of the first display module 100 in the drawing. Thereafter, a light emitting module 200 is disposed under the first display module 100 and has at least one light emitting diode (LED) on its side to provide a light source. The second display module 300 is disposed under the light emitting module 200 , so that the light emitting module 200 is sandwiched between the first display module 100 and the second display module 300 .

In addition, according to the embodiment of the present invention, since the second display module 300 also has a second surface relative to the first surface of the first display module 100, the second display module 300 can simultaneously utilize the second The surface provides a second display. In this embodiment, the second surface is referred to as the lower surface of the second display module 300 in the drawing. Therefore, according to an embodiment of the present invention, the double-sided display liquid crystal device disclosed is a liquid crystal device in which both front and back sides can independently display a picture, and can be used for different purposes on the front and back sides, for example, the front side. Provides a flat screen display, while the reverse side provides a laptop screen display and so on.

Furthermore, as described in FIG. 1 , the first display module 100 and the second display module 300 may each include a plurality of constituent layers, such as a monolithic glass touch panel (OGS) (ie, Corresponding to the upper surface of the first display module 100), Optical Clear Resin (OCR), Top Polarizer, Color Filter (CF), Thin Film Transistor (Thin Film) Transistor (TFT) and a Bottom Polarizer, etc., so that the light emitted by the light source provided by the light-emitting module 200 can be individually imaged through the upper polarizing plate and the lower polarizing plate to form the first display screen. With the second display. Since these techniques relating to liquid crystal imaging and detailed structures are well known to those skilled in the art and are not the focus of the present invention, in the present embodiment, they are similarly shown by dashed lines in the drawings. Each of the first display module 100, the light-emitting module 200, and the second display module 300 may each have its basic composition. Those skilled in the art may design the device according to the actual needs of the product, and the present invention will not This section is repeated again.

Hereinafter, the present invention will be described in detail with respect to the disclosed frame structure. As described above, the frame structure in the embodiment includes an upper frame 400 and a lower frame 500, and the upper and lower frames 400 and 500 are used for assembly by the first display module 100 and the light-emitting module 200. A double-sided display liquid crystal device stacked with the second display module 300.

In detail, as shown in FIG. 4 , the upper frame 400 of the present invention includes a first body portion 402 and a clamping portion 404 extending upward from the first body portion 402 . The first body portion 402 is disposed on the side of the first display module 100, the second display module 300, and the light-emitting module 200. The clamping portion 404 extends upward from the first body portion 402 to bear against The side edge of the first display module 100. On the other hand, the upper frame 400 further includes at least two engaging portions 406, and the two engaging portions 406 are respectively disposed on the first body portion 402 and face the first display module 100 and the second The display module 300 is formed to extend in the direction of the light emitting module 200. As shown in the figure, the two engaging portions 406 are respectively engaged between the first display module 100 and the light emitting module 200 and between the light emitting module 200 and the second display module 300.

Similarly, the lower frame body 500 includes a second body portion 502 and a stop portion 504 extending from the second body portion 502, wherein the stop portion 504 is protrudedly disposed on the second body portion 502, and The direction of the second display module 300 is extended, so that the stop portion 504 can be used to bear the bottom of the second display module 300. The material of the upper frame 400 may be, for example, a plastic or an alloy, and the material of the lower frame 500 may be, for example, a plastic or an alloy, in order to facilitate the assembly and the cost.

Therefore, according to the embodiment of the present invention, when assembling, the upper frame 400 extends upward to fix the side edge of the first display module 100, and the upper frame 400 is engaged by the second frame. The portion 406 extends toward the first display module 100, the second display module 300, and the light emitting module 200 to be engaged between the first display module 100 and the light emitting module 200, and the light emitting module 200. Between the second display modules 300, in this case, the upper frame 400 is simultaneously joined to the lower frame 500, and the double-sided display liquid crystal device is smoothly assembled.

Referring to FIG. 5, it is a cross-sectional view of a double-sided display liquid crystal device assembled by using the frame structure of the embodiment of the present invention, and FIG. 6 is a partially enlarged view of the product after assembly according to an embodiment of the present invention. It can be clearly seen from the two figures that, by using the frame structure disclosed in the present invention, since the upper frame body 400 itself is a structure formed by integral molding, the structure body integrates the bearing frame and the fixed must be used. The frame makes the three mechanical parts that must be used to be effectively simplified into a single structure, which not only can greatly reduce the weight and volume of the assembled product, but also saves the huge number of components used and the manufacturing cost. It has excellent industrial application potential and can be widely used by the market.

Furthermore, the present invention integrates the carrying frame and the fixing frame in the double-sided display liquid crystal device by integrally forming the upper frame structure, thereby reducing the two zeros of the carrier frame and the fixed frame. In the assembly process, it is not necessary to use locking components such as screws, which not only effectively saves material cost and manual assembly cost, but also simplifies the structure of the product and reduces the weight of the product. It has great superiority and industrial applicability. .

Therefore, the present invention not only has the advantages of low complexity and low cost in practice, but also enables the assembly process of the double-sided display liquid crystal device to be simple and simple. In an effective manner, the structural strength of the final assembled product is also firmer than that of the prior art and is not easy to loose. It is obvious that the object and function of the present invention are significantly superior to the prior art, and the technical features and method means disclosed by the present invention are The effect with the achievement is significantly different from the current program, which is not easy for those who are familiar with the technology, so it has patent requirements.

The embodiments described above are merely illustrative of the technical spirit and the features of the present invention, and the objects of the present invention can be understood by those skilled in the art, and the scope of the present invention cannot be limited thereto. That is, the equivalent variations or modifications made by the spirit of the present invention should still be included in the scope of the present invention.

1‧‧‧Double-sided display liquid crystal device
10‧‧‧Up display module
12‧‧‧Uplight source module
20‧‧‧ display module
22‧‧‧Lower light source module
30‧‧‧Fixed frame
40‧‧‧ bearing frame
50‧‧‧Upper frame
60‧‧‧ Lower frame
70‧‧‧Locking components
100‧‧‧First display module
200‧‧‧Lighting module
300‧‧‧Second display module
400‧‧‧Upper frame
402‧‧‧First Body Department
404‧‧‧Clamping Department
406‧‧‧Care Department
500‧‧‧ lower frame
502‧‧‧Second body
504‧‧‧stop

Fig. 1 is a schematic view showing the assembly of a conventional double-sided display liquid crystal device. Fig. 2 is a schematic cross-sectional view showing the assembled structure of the double-sided display liquid crystal device shown in Fig. 1. Figure 3 is a partial schematic enlarged view of a conventional double-sided display liquid crystal device after assembly. Fig. 4 is a schematic view showing the assembly of a double-sided display liquid crystal device and a frame structure thereof according to an embodiment of the present invention. Fig. 5 is a schematic cross-sectional view showing the assembled structure of the double-sided display liquid crystal device shown in Fig. 4. Fig. 6 is a partially enlarged plan view showing the assembly of the double-sided display liquid crystal device by using the frame structure of the embodiment of the present invention.

100‧‧‧First display module

200‧‧‧Lighting module

300‧‧‧Second display module

400‧‧‧Upper frame

402‧‧‧First Body Department

404‧‧‧Clamping Department

406‧‧‧Clock Department

500‧‧‧ lower frame

502‧‧‧Second body

504‧‧‧stop

Claims (10)

A double-sided display liquid crystal device, comprising: a first display module having a first surface for providing a first display image by using the first surface; a light emitting module disposed under the first display module And providing a light source; a second display module disposed under the light emitting module, wherein the light emitting module is sandwiched between the first display module and the second display module, wherein the first The second display module has a second surface relative to the first surface to provide a second display image by using the second surface; the lower frame is disposed on a side of the second display module and extends to the first a second display module; and an upper frame disposed on a side of the first display module, the second display module, and the light emitting module, wherein the upper frame system extends upward to bear the First a side edge of the display module, and the upper frame system extends toward the first display module, the second display module, and the light emitting module to be engaged with the first display module and the light emitting mode Between the groups, and between the light-emitting module and the second display module, the upper frame simultaneously engages the lower frame, thereby completing assembly of the double-sided display liquid crystal device. The double-sided display liquid crystal device of claim 1, wherein the upper frame further comprises a first body portion and a clamping portion extending upward from the first body portion, the first body portion being disposed on the first body portion a display module, the second display module and a side of the light-emitting module, the clamping portion is configured to bear against a side edge of the first display module. The double-sided display liquid crystal device of claim 2, wherein the upper frame further comprises at least two engaging portions protrudingly disposed on the first body portion and facing the first display module and the second display The module is formed in the direction of the light emitting module, and the engaging portions are respectively engaged between the first display module and the light emitting module, and between the light emitting module and the second display module. The double-sided display liquid crystal device of claim 1, wherein the lower frame further comprises a second body portion and a stop portion extending from the second body portion, the stop portion being protruded from the The second body portion is formed to extend toward the second display module, and the stopping portion is configured to bear against the bottom of the second display module. The double-sided display liquid crystal device of claim 1, wherein the first display module and the second display module each include an upper polarizing plate and a lower polarizing plate, so that the light emitted by the light source passes through the upper surface The polarizing plate and the lower polarizing plate are imaged on the first display screen and the second display screen. The double-sided display liquid crystal device of claim 5, wherein the first surface of the first display module is a monolithic glass touch panel (OGS). A frame structure for a double-sided display liquid crystal device, wherein the double-sided display liquid crystal device is a structure in which a first display module, a light-emitting module and a second display module are stacked, and the frame structure comprises a lower frame disposed on a side of the second display module and extending below the second display module; and an upper frame disposed on the first display module and the second display module a side of the illuminating module, wherein the upper frame system extends upwardly to bear against a side edge of the first display module, and the upper frame system faces the first display module and the second display module The light emitting module extends in a direction to be engaged between the first display module and the light emitting module, and between the light emitting module and the second display module, wherein the upper frame simultaneously engages the lower frame Body, thereby completing the encapsulation of the double-sided display liquid crystal device. The frame structure of claim 7, wherein the upper frame further comprises a first body portion and a clamping portion extending upward from the first body portion, the first body portion being disposed on the first display module And a side of the second display module and the light-emitting module, the clamping portion is configured to bear against a side edge of the first display module. The frame structure of claim 8, wherein the upper frame further comprises at least two engaging portions protruding from the first body portion and facing the first display module and the second display module. The illuminating module is formed to extend between the first display module and the illuminating module, and between the illuminating module and the second display module. The frame structure of claim 7, wherein the lower frame further comprises a second body portion and a stop portion extending from the second body portion, the stop portion is protrudingly disposed on the second body And extending toward the second display module, the stop portion is configured to bear against the bottom of the second display module.