CN215181292U

CN215181292U - Double-sided liquid crystal display device

Info

Publication number: CN215181292U
Application number: CN202121376190.9U
Authority: CN
Inventors: 郭秋平; 刘国平
Original assignee: Shenzhen Wanguo Electrical Appliance Co ltd
Current assignee: Shenzhen Wanguo Electrical Appliance Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-12-14
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a two-sided liquid crystal display device, include: the liquid crystal display comprises a machine body frame, a first liquid crystal display and a second liquid crystal display, wherein the first liquid crystal display and the second liquid crystal display are respectively arranged on two sides of the machine body frame; the machine body frame comprises a frame main body, a first frame body and a second frame body; the first frame body and the second frame body are oppositely arranged at the upper end of the frame main body in a back direction; the side, away from the first frame body and the second frame body, of the first frame body is provided with a groove, the first liquid crystal display is arranged in the groove of the first frame body, and the second liquid crystal display is arranged in the groove of the second frame body; a first hinge and a second hinge are arranged on two sides of the frame main body, one end of the first hinge is fixedly connected with the frame main body, and the other end of the first hinge is fixedly connected with the first frame body; one end of the second hinge is fixedly connected with the frame body, and the other end of the second hinge is fixedly connected with the second frame body. The utility model discloses simple structure, it is small, and thickness is thinner, the appearance is pleasing to the eye, angularly adjustable, it is more convenient to use.

Description

Double-sided liquid crystal display device

Technical Field

The utility model relates to a display device designs technical field, more specifically relates to a two-sided liquid crystal display device.

Background

The liquid crystal display device has many advantages such as thin body, power saving, no radiation, etc., and has been widely used, for example: mobile phones, Personal Digital Assistants (PDAs), digital cameras, computer screens, notebook screens, and the like.

In modern society, a large number of signs and billboards are provided in various public places. With the development of liquid crystal display, the liquid crystal display technology is widely used for the signboards and the billboards, and products using the liquid crystal display have the advantages of playing dynamic pictures, updating information in real time, being clear and bright in pictures and the like.

Similar subway station, public places such as market, people need look over oneself required information at any time, and the advertiser also needs as much information as possible to send people's eyes, just so need the screen that shows as much as possible, let people conveniently see, the volume is as little as possible, can be more pleasing to the eye reasonable environment of blending into, occupation position is as little as possible, can more save the place, one of its solution uses double-sided display device, current double-sided display device is with two display device back-to-back equipment together, again in outside installation fixed frame, though can reach the purpose that increases the display screen like this, but whole device can be heavier, can occupy more space, and the adjustment of realization angle that can not be fine, inconvenient people more comfortable sees.

Therefore, it is an urgent need to solve the technical problem of the technical personnel in the field to provide a double-sided liquid crystal display device with simple structure, small volume, thin thickness, beautiful appearance and adjustable angle.

Disclosure of Invention

In view of the above, the present invention provides a double-sided liquid crystal display device with simple structure, small volume, thin thickness, beautiful appearance and adjustable angle;

a double-sided liquid crystal display device comprising: the liquid crystal display comprises a machine body frame, a first liquid crystal display and a second liquid crystal display, wherein the first liquid crystal display and the second liquid crystal display are respectively arranged on two sides of the machine body frame;

the machine body frame comprises a frame main body, a first frame body and a second frame body; the first frame body and the second frame body are oppositely arranged at the upper end of the frame main body in a back direction;

a groove is formed in one side, away from the first frame body, of the second frame body, a first liquid crystal display is arranged in the groove of the first frame body, and a second liquid crystal display is arranged in the groove of the second frame body;

a first hinge and a second hinge are arranged on two sides of the frame main body, one end of the first hinge is fixedly connected with the frame main body, and the other end of the first hinge is fixedly connected with the first frame body; one end of the second hinge is fixedly connected with the frame main body, and the other end of the second hinge is fixedly connected with the second frame body.

The utility model discloses two-sided liquid crystal display device is through right first framework and the second framework relatively dorsad set up in frame main part upper end makes first LCD and second LCD hug closely the frame main part setting, for current two-sided liquid crystal display device, the utility model discloses a subassembly quantity that two-sided liquid crystal display device adopted is less, combines compactly between each subassembly, consequently the utility model discloses a two-sided liquid crystal display device's thickness is thinner, and the appearance is pleasing to the eye.

And first hinge and second hinge can realize the adjustment of first LCD and certain angle of second LCD, and the more comfortable watching of people of being convenient for more.

Furthermore, the first frame body and the second frame body comprise an outer frame and an inner frame which are mutually clamped and connected; the inner side of the outer frame is provided with a groove, the outer side of the inner frame is provided with a convex part, and the inner frame is connected with the outer frame in a clamping manner from the inner side of the outer frame.

Furthermore, the first frame body and the second frame body further comprise two reinforcing plates which are respectively arranged at two ends of the inner frame and fixedly connected with the inner frame.

Further, the first hinge and the second hinge comprise a slide rail, a fixed plate, and a first connecting plate and a second connecting plate which connect the slide rail and the fixed plate; the sliding rail is fixed on the inner side of a vertical frame of the frame main body, and the fixing plate is fixed on the reinforcing plate;

set up locating piece, sliding block and stopper on the slide rail, the stopper is fixed in the one end of slide rail, the locating piece sets up and is being close to the slide rail one end of stopper, the sliding block is located the slide rail other end and follows the slide rail slides wantonly, first connecting plate one end with the locating piece is articulated, the other end with the fixed plate is articulated, second connecting plate one end with the sliding block is articulated, the other end with the fixed plate middle part is articulated first connecting plate with set up the third connecting plate between the second connecting plate, third connecting plate both ends respectively with the locating piece with the middle part of second connecting plate is articulated.

Furthermore, the first liquid crystal display and the second liquid crystal display both comprise a display screen and a backlight module, and the display screen and the backlight module are pressed and fixed together.

Furthermore, the display screen also comprises a PCB board connected with the display screen through a wire;

the number of the PCB boards is two, and the PCB boards are arranged between the two display screens; or the two PCB boards are arranged at the sides of the two display screens.

The liquid crystal display device further comprises a driving circuit board and a power panel, the body frame, the first liquid crystal display and the second liquid crystal display are defined to form an integral structure, and the driving circuit board and the power panel are arranged outside the integral structure.

Furthermore, the backlight module comprises a first backlight assembly and a second backlight assembly;

the display screen comprises a first display screen and a second display screen which are arranged in the first frame body and the second frame body;

the first backlight assembly comprises a first light guide plate, a first optical film, a first LED light bar and a first heat sink; the first optical film is attached to one side, close to the first display screen, of the first light guide plate; the first LED lamp strip is arranged on the side edge of the first light guide plate, the first LED lamp strip is fixed on the first radiating fin, and the first radiating fin is fixedly connected with the inner frame; the second backlight assembly comprises a second light guide plate, a second optical film, a second LED light bar and a second heat sink; the second optical film is attached to one side, close to the second display screen, of the second light guide plate; the second LED lamp strip is arranged on the side edge of the second light guide plate, the second LED lamp strip is fixed on the second radiating fin, and the second radiating fin is fixedly connected with the inner frame.

The utility model discloses simple structure, it is small, and thickness is thinner, the appearance is pleasing to the eye, angularly adjustable, it is more convenient to use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic diagram of an overall structure of a double-sided LCD device according to the present invention;

FIG. 2 is a schematic view of a hinge structure of a double-sided LCD device according to the present invention;

FIG. 3 is a schematic structural diagram of a double-sided LCD device according to the present invention;

wherein, 1 is a frame of the machine body; 11 is a frame main body; 12 is a first frame body; 13 is a second frame body; 111 is an outer frame; 112 is an inner frame; 113 is a reinforcing plate; 2 is a first liquid crystal display; 21 is a display screen; 211 is a first display screen; 212 is a second display screen; 221 is a first backlight assembly; 222 is a second backlight assembly; 2211 is a first light guide plate; 2212 is a first optical film; 2213 is a first LED lamp; 2214 is a first heat sink; 2221 is a second light guide plate; 2222 is a second optical film; 2223 is a second LED lamp; 2224 is a second heat sink; 23 is a PCB board; 3 is a second liquid crystal display; 4 is a first hinge; 41 is a slide rail; 42 is a fixing plate; 43 is a first connecting plate; 44 is a second connecting plate; 45 is a positioning block; 46 is a sliding block; 47 is a limit block; 48 is a third connecting plate; and 5 is a second hinge.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Hereinafter, the terms "including", "having", and their derivatives, which may be used in various embodiments of the present invention, are only intended to indicate specific features, numbers, steps, operations, elements, components, or combinations of the foregoing, and should not be construed as first excluding the existence of, or adding to, one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing.

In various embodiments of the present invention, the expression "a or/and B" includes any or all combinations of the words listed simultaneously, may include a, may include B, or may include both a and B.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "lateral", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used for convenience of description and simplicity of description only, and do not indicate or imply that the device or element being 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. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner

Any one or more of the embodiments or examples may be combined in any suitable manner.

In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be interpreted broadly, for example, as mechanical connection, communication between two elements, direct connection, or indirect connection via an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations. Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the various embodiments of the present invention belong.

The terms (such as those defined in commonly used dictionaries) should be interpreted as having a meaning that is consistent with their contextual meaning in the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in various embodiments of the present invention.

As shown in fig. 1 to 3, a double-sided liquid crystal display device includes: the liquid crystal display comprises a machine body frame 1, a first liquid crystal display 2 and a second liquid crystal display 3, wherein the first liquid crystal display and the second liquid crystal display are respectively arranged on two sides of the machine body frame 1;

the body frame 1 includes a frame body 11, a first frame body 12, and a second frame body 13; the first frame body 12 and the second frame body 13 are oppositely arranged at the upper end of the frame main body 11 in a back direction;

a groove is formed on the side, away from the first frame body 12 and the second frame body 13, of the first frame body 12, the first liquid crystal display 2 is arranged in the groove of the first frame body 12, and the second liquid crystal display 3 is arranged in the groove of the second frame body 13;

a first hinge 4 and a second hinge 5 are arranged on two sides of the frame main body 11, one end of the first hinge 4 is fixedly connected with the frame main body 11, and the other end of the first hinge 4 is fixedly connected with the first frame body 12; one end of the second hinge 5 is fixedly connected with the frame body 11, and the other end is fixedly connected with the second frame body 13.

The utility model discloses two-sided liquid crystal display device is through right first framework 12 and second framework 13 relative dorsad set up in frame main part 11 upper end makes first LCD 2 and second LCD 3 hug closely frame main part 1 and sets up, for current two-sided liquid crystal display device, the utility model discloses a subassembly quantity that two-sided liquid crystal display device adopted is less, combines compactly between each subassembly, consequently the utility model discloses a two-sided liquid crystal display device's thickness is thinner, and the appearance is pleasing to the eye.

And the first hinge 4 and the second hinge 5 can realize the adjustment of the first liquid crystal display 2 and the second liquid crystal display 3 at a certain angle, so that people can watch the liquid crystal display more comfortably.

In this embodiment, the first frame 12 and the second frame 13 each include an outer frame 111 and an inner frame 112 that are engaged with each other; the inner side of the outer frame 111 is provided with a groove, the outer side of the inner frame 112 is provided with a convex part, and the inner frame 112 is connected with the outer frame 111 in a clamping manner from the inner side of the outer frame 111.

In this embodiment, the first frame 12 and the second frame 13 further include two reinforcing plates 113 respectively disposed at two ends of the inner frame 112 and fixedly connected to the inner frame 112.

In this embodiment, the first hinge 4 and the second hinge 5 include a slide rail 41, a fixed plate 42, and a first connecting plate 43 and a second connecting plate 44 connecting the slide rail 41 and the fixed plate 42; the slide rail 41 is fixed inside the vertical frame of the frame body 11, and the fixing plate 42 is fixed on the reinforcing plate 113;

set up locating piece 45, sliding block 46 and stopper 47 on the slide rail 41, stopper 47 is fixed in the one end of slide rail 41, locating piece 45 sets up and is being close to the slide rail 41 one end of stopper 47, sliding block 46 is located the slide rail 41 other end is and follows slide rail 41 slides wantonly, first connecting plate 43 one end with locating piece 45 is articulated, the other end with fixed plate 42 is articulated, second connecting plate 44 one end with sliding block 46 is articulated, the other end with fixed plate 42 middle part is articulated first connecting plate 43 with set up third connecting plate 48 between the second connecting plate 44, third connecting plate 48 both ends respectively with locating piece 45 with the middle part of second connecting plate 44 is articulated.

In this embodiment, the first liquid crystal display 2 and the second liquid crystal display 3 both include a display screen 21 and a backlight module, and the display screen 21 and the backlight module are pressed and fixed together.

In this embodiment, the display device further comprises a PCB 23 connected to the display screen 21 through a wire;

the number of the PCB boards 23 is two, and the two PCB boards are arranged between the two display screens 21; or the two PCB boards 23 are disposed at the sides of the two display screens 21.

In this embodiment, the liquid crystal display further includes a driving circuit board and a power board, and the body frame 1, the first liquid crystal display 2, and the second liquid crystal display 3 are defined to form an integrated structure, and the driving circuit board and the power board are disposed outside the integrated structure.

In this embodiment, the backlight module includes a first backlight assembly 221 and a second backlight assembly 222;

the display 21 includes a first display 211 and a second display 212 provided in the first housing 12 and the second housing 13;

the first backlight assembly 221 includes a first light guide plate 2211, a first optical film 2212, a first LED light bar 2213 and a first heat sink 2214; the first optical film 2212 is attached to one side of the first light guide plate 2211 close to the first display screen 211; the first LED light bar 2213 is disposed at a side of the first light guide plate 2211, and the first LED light bar 2213 is fixed to the first heat sink 2214, and the first heat sink 2214 is fixedly connected to the inner frame 112; the second backlight assembly 222 includes a second light guide plate 2221, a second optical film 2222, a second LED light bar 2223, and a second heat sink 2224; the second optical film 2222 is attached to one side of the second light guide plate 2221 close to the second display screen 212; the second LED light bar 2223 is disposed at a side of the second light guide plate 2221, the second LED light bar 2223 is fixed to the second heat sink 2224, and the second heat sink 2224 is fixedly connected to the inner frame 112.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present embodiments. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the embodiments. Thus, the present embodiments are not intended to be limited to the embodiments shown herein but are to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A double-sided liquid crystal display device, comprising:

the liquid crystal display comprises a machine body frame (1), a first liquid crystal display (2) and a second liquid crystal display (3), wherein the first liquid crystal display and the second liquid crystal display are respectively arranged on two sides of the machine body frame (1);

the machine body frame (1) comprises a frame main body (11), a first frame body (12) and a second frame body (13); the first frame body (12) and the second frame body (13) are oppositely arranged at two sides of the frame main body (11) in a back direction;

a groove is formed in one side, away from each other, of the first frame body (12) and the second frame body (13), the first liquid crystal display (2) is arranged in the groove of the first frame body (12), and the second liquid crystal display (3) is arranged in the groove of the second frame body (13);

a first hinge (4) and a second hinge (5) are arranged on two sides of the frame main body (11), one end of the first hinge (4) is fixedly connected with the frame main body (11), and the other end of the first hinge (4) is fixedly connected with the first frame body (12); one end of the second hinge (5) is fixedly connected with the frame body (11), and the other end of the second hinge is fixedly connected with the second frame body (13).

2. The double-sided liquid crystal display device according to claim 1, wherein the first frame body (12) and the second frame body (13) each include an outer frame (111) and an inner frame (112) that are engaged with each other; the inner side of the outer frame (111) is provided with a groove, the outer side of the inner frame (112) is provided with a convex part, and the inner frame (112) is connected with the outer frame (111) in a clamping manner from the inner side of the outer frame (111).

3. A double-sided liquid crystal display device according to claim 2, wherein the first frame body (12) and the second frame body (13) further include two reinforcing plates (113) respectively provided at both ends of the inner frame (112) and fixedly connected to the inner frame (112).

4. A two-sided liquid crystal display device according to claim 3, characterized in that the first hinge (4) and the second hinge (5) comprise a slide rail (41), a fixed plate (42), and a first connecting plate (43) and a second connecting plate (44) connecting the slide rail (41) and the fixed plate (42); the sliding rail (41) is fixed on the inner side of a vertical frame of the frame main body (11), and the fixing plate (42) is fixed on the reinforcing plate (113);

a positioning block (45), a sliding block (46) and a limiting block (47) are arranged on the sliding rail (41), the limiting block (47) is fixed at one end of the sliding rail (41), the positioning block (45) is arranged at one end of the sliding rail (41) close to the limiting block (47), the sliding block (46) is positioned at the other end of the sliding rail (41) and can slide along the sliding rail (41) arbitrarily, one end of the first connecting plate (43) is hinged with the positioning block (45), the other end is hinged with the fixing plate (42), one end of the second connecting plate (44) is hinged with the sliding block (46), the other end is hinged with the middle part of the fixed plate (42), -arranging a third connection plate (48) between the first connection plate (43) and the second connection plate (44), and two ends of the third connecting plate (48) are respectively hinged with the middle parts of the positioning block (45) and the second connecting plate (44).

5. A two-sided liquid crystal display device as claimed in claim 2, wherein the first liquid crystal display (2) and the second liquid crystal display (3) each comprise a display panel (21) and a backlight module, the display panel (21) and the backlight module being pressed and fixed together.

6. A two-sided liquid crystal display device as claimed in claim 5, further comprising a PCB board (23) connected to the display screen (21) by a wire;

the number of the PCB boards (23) is two, and the two PCB boards are arranged between the two display screens (21); or the two PCB boards (23) are arranged at the sides of the two display screens (21).

7. A dual-sided liquid crystal display device as claimed in claim 1, further comprising a driving circuit board and a power board, defining the body frame (1), the first liquid crystal display (2) and the second liquid crystal display (3) as an integral structure, the driving circuit board and the power board being disposed outside the integral structure.

8. A dual-sided LCD device as claimed in claim 6, wherein the backlight module comprises a first backlight assembly (221) and a second backlight assembly (222);

the display screen (21) comprises a first display screen (211) and a second display screen (212) which are arranged in the first frame body (12) and the second frame body (13);

the first backlight assembly (221) includes a first light guide plate (2211), a first optical film (2212), a first LED light bar (2213), and a first heat sink (2214); the first optical film (2212) is attached to one side, close to the first display screen (211), of the first light guide plate (2211); the first LED light bar (2213) is arranged at the side of the first light guide plate (2211), the first LED light bar (2213) is fixed on the first heat sink (2214), and the first heat sink (2214) is fixedly connected with the inner frame (112); the second backlight assembly (222) comprises a second light guide plate (2221), a second optical film (2222), a second LED light bar (2223) and a second heat sink (2224); the second optical film (2222) is attached to one side, close to the second display screen (212), of the second light guide plate (2221); the second LED light bar (2223) is disposed at a side of the second light guide plate (2221), the second LED light bar (2223) is fixed to the second heat sink (2224), and the second heat sink (2224) is fixedly connected to the inner frame (112).