CN210181337U - Dual-functional infrared display screen - Google Patents

Abstract

The utility model discloses a difunctional infrared display screen, including upper ledge, structure frame and back shroud, bolted connection is passed through with the upper ledge to structure frame, and is provided with liquid crystal display panel between structure frame and the upper ledge, passes through bolted connection between structure frame and the back shroud, and installs the optics diaphragm between structure frame and the back shroud, the inside lamp strip that is provided with of side of structure frame, the utility model provides a liquid crystal display conceals the poor technical problem of characteristic among the prior art.

Description

Dual-functional infrared display screen

Technical Field

The utility model relates to a LCD screen technical field especially relates to a difunctional infrared display screen.

Background

The working mode of the existing liquid crystal display screen is as follows: liquid crystal displays must first utilize a backlight to project light sources that pass through a polarizer and then through the liquid crystal. The liquid crystal molecules are arranged in such a way that the polarization angle of the light propagating through the liquid crystal is changed, and then the light must pass through the front color filter and another polarizer. The human eye can observe the image in front.

However, in order to make human eyes observe images on the liquid crystal display, visible light rays are required to be emitted from the surface of the liquid crystal display, and the backlight plate is the source for generating the parallel light rays; when the LED display works at night, the light emitted by the liquid crystal display is particularly bright under the condition that the ambient light is weak or zero, and the existence of a light source can be observed even if the distance is long; has no hidden property and is not suitable for military use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a difunctional infrared display screen has solved the poor technical problem of the hidden characteristic of liquid crystal display among the prior art.

The utility model provides a difunctional infrared display screen, includes upper ledge, structure frame and back shroud, bolted connection is passed through with the upper ledge to structure frame, and is provided with liquid crystal display panel between structure frame and the upper ledge, pass through bolted connection between structure frame and the back shroud, and install the optics diaphragm between structure frame and the back shroud, the inside lamp strip that is provided with in side of structure frame.

On the basis of the technical scheme, the utility model discloses can also do as follows the improvement:

further, a first mounting groove used for placing the liquid crystal panel is formed in the upper portion of the structure frame, a second mounting groove used for placing the optical diaphragm is formed in the back of the structure frame, and the beneficial effect of the step is that the stability of the structure between the structure frame and the upper frame and between the structure frame and the rear cover plate is guaranteed.

Furthermore, the lamp strip is one, the lamp strip placing groove is formed in one side of the second mounting groove, the lamp strip is arranged in the lamp strip placing groove, and the lamp strip mounting groove has the beneficial effect that the lamp strip mounting groove is suitable for different working environments through different lamp strips.

Further, the lamp strips comprise a visible light source lamp strip and an infrared light source lamp strip, and the visible light source lamp strip and the infrared light source lamp strip are respectively arranged on the opposite sides of the structure frame.

Furthermore, light bar placing grooves are respectively formed in the opposite sides of the second mounting groove, a visible light source light bar is arranged in one of the light bar placing grooves, and an infrared light source light bar is arranged in the other light bar placing groove.

The utility model has the advantages that:

1. the utility model provides a dual-function infrared display screen, which can realize that the display image can be observed by naked eyes under the condition of bright ambient light through lamp strips with different luminescent colors; in the case where the ambient light is dark or absent (e.g., at night, outdoors), the displayed image can be observed by an infrared observation device.

2. The utility model discloses simple structure, simple to operate, and can adapt to different occasions.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, 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 these drawings without creative efforts.

Fig. 1 is a schematic structural view of a dual-function infrared display screen according to embodiment 1 of the present invention;

fig. 2 is an exploded view of a dual-function infrared display screen according to embodiment 1 of the present invention;

fig. 3 is a schematic structural diagram of a structural frame of a dual-function infrared display screen according to embodiment 1 of the present invention;

fig. 4 is an exploded view of a dual-function infrared display screen according to embodiment 2 of the present invention;

fig. 5 is a schematic structural view of a structural frame of a dual-function infrared display screen according to embodiment 2 of the present invention;

reference numerals:

1-putting on a frame; 2-a structural frame; 3-a rear cover plate; 4-a liquid crystal panel; 5-an optical film; 6-a light bar; 7-a first mounting groove; 8-a second mounting groove; 9-a light bar placing groove;

601-visible light source lamp bar; 602-infrared light source lamp strip.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

In the description of the present application, it is to be understood that the terms "upper", "lower", "inner", "outer", "front", "rear", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. 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 this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Examples

As shown in fig. 1-3, the utility model provides a dual-function infrared display screen, including upper frame 1, structure frame 2 and back shroud 3, structure frame 2 passes through bolted connection with upper frame 1, and is provided with liquid crystal display panel 4 between structure frame 2 and upper frame 1, pass through bolted connection between structure frame 2 and the back shroud 3, and install optics diaphragm 5 between structure frame 2 and the back shroud 3, the inside lamp strip 6 that is provided with of side of structure frame 2; in the embodiment, the upper side and the lower side of the structure frame 2 are respectively fixed with the liquid crystal panel 4 and the optical diaphragm 5, the liquid crystal panel 4, the optical diaphragm 5 and the structure frame 2 are fixed through optical cement, and after the fixing is finished, the upper frame 1, the structure frame 2 and the rear cover plate 3 are fixed through bolts to tightly press the liquid crystal panel 4 and the optical diaphragm 5; the present embodiment is a form of changing the existing backlight board into a combination of a light bar and a rear cover board 3.

As shown in fig. 1, a first mounting groove 7 for placing the liquid crystal panel 4 is formed above the structural frame 2, and a second mounting groove 8 for placing the optical film 5 is formed on the back surface of the structural frame 2; in this embodiment, the front and back surfaces of the frame 2 are provided with grooves for applying optical glue to fix the liquid crystal panel 4 and the optical film 5.

As shown in fig. 1, one light bar 6 is provided, a light bar placing groove 9 is formed in one side of the second mounting groove 8, the light bar 6 is arranged inside the light bar placing groove 9, the light bar 6 in this embodiment is one, wherein the light bar 6 includes a visible light bead and an infrared light bead, that is, the light bar can emit visible light or infrared light; when the lamp is used in normal times, the visible light lamp beads can be lightened; when the battle at night, the infrared light lamp bead can be adopted, so that the concealment can be improved.

As shown in fig. 1, a light bar placing groove 9 is formed in one side of the second mounting groove 8, and the light bar placing groove 9 is used for fixing the light bar 6.

Example 2

Based on embodiment 1, as shown in fig. 4 to 5, the light bars 6 may also be changed in this embodiment, two light bars 6 are provided, and include a visible light source light bar 601 and an infrared light source light bar 602, the visible light source light bar 601 and the infrared light source light bar 602 are respectively disposed on opposite sides of the structural frame 2, in this embodiment, two light bar placing grooves 9 are respectively disposed on opposite sides of the second mounting groove 8, that is, there are two light bar placing grooves 9, a visible light source light bar 601 is disposed inside one light bar placing groove 9, and an infrared light source light bar 602 is disposed inside the other light bar placing groove 9, so that circuit arrangement is facilitated.

In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

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 are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

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 substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims (5)

1. The utility model provides a difunctional infrared display screen, its characterized in that, includes upper ledge, structure frame and back shroud, bolted connection is passed through with the upper ledge to structure frame, and is provided with liquid crystal display panel between structure frame and the upper ledge, pass through bolted connection between structure frame and the back shroud, and install the optics diaphragm between structure frame and the back shroud, the inside lamp strip that is provided with of side of structure frame.

2. The dual-function infrared display screen of claim 1, wherein a first mounting groove for placing a liquid crystal panel is formed above the structural frame, and a second mounting groove for placing an optical film is formed on the back of the structural frame.

3. The dual-function infrared display screen of claim 2, wherein the number of the light bars is one, a light bar placement groove is formed on one side of the second installation groove, and the light bars are arranged inside the light bar placement groove.

4. The dual-function infrared display screen of claim 2, wherein the light bars comprise a visible light source light bar and an infrared light source light bar, and the visible light source light bar and the infrared light source light bar are respectively arranged on opposite sides of the structure frame.

5. The dual-function infrared display screen of claim 4, wherein light bar placing grooves are respectively formed on opposite sides of the second mounting groove, a visible light source light bar is arranged inside one of the light bar placing grooves, and an infrared light source light bar is arranged inside the other light bar placing groove.

Images