Liquid crystal display screen capable of improving heating effect
By setting heating glass in the LCD screen and heating ITO plating on both sides of its upper and lower surfaces, the problem of insufficient heating efficiency of the LCD screen in low temperature environments is solved, efficient heating is achieved, and product competitiveness is improved.
Patent Information
- Application Number
- CN202420738428.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-10
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-04-10
AI Technical Summary
In lower temperature usage environments, the heating efficiency of traditional LCD displays is insufficient, resulting in the LCD display being unable to work normally, reducing the competitiveness of the product.
By providing heating glass in the liquid crystal display screen, and providing a first heating ITO plating layer and a second heating ITO plating layer on its upper and lower surfaces, a two-sided heating structure is formed to improve heating efficiency.
The two-sided heating ITO plating structure doubles the heating efficiency, adapts to a lower temperature environment, ensures that the heating efficiency is higher than the efficiency of heat dissipation, avoids the LCD screen from working properly, and improves the competitiveness of the product.
Smart Images
Figure CN222784690U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of liquid crystal display, and more specifically to a liquid crystal display screen with improved heating effect. Background Art
[0002] Electronic instruments need to be used in low temperature environments. Since most of the instruments are composed of TFT liquid crystal displays, some special scenarios do not allow the LCD display to have display lag, and the liquid crystal needs to be heated in advance. Traditional LCD displays usually have an ITO heating coating on one side of the array substrate or color film substrate to heat the LCD display. However, for relatively low temperature usage environments, the heating efficiency is far behind the efficiency of heat dissipation, resulting in the LCD display still not being able to work properly, reducing the competitiveness of the product. Utility Model Content
[0003] The technical problem to be solved by the utility model is how to improve the heating efficiency of the liquid crystal display screen in a relatively low temperature use environment, so as to ensure that the liquid crystal display screen can work normally and improve the competitiveness of the product.
[0004] The technical problem to be solved by the utility model is achieved through the following technical solutions:
[0005] In order to solve the above technical problems, the utility model provides a liquid crystal display screen with improved heating effect, which includes a lower frame, a reflective sheet, a light guide plate and an optical film group which are stacked in sequence from bottom to top, the lower frame includes a bottom plate and a side wall extending upward from the edge of the bottom plate, the side wall is provided with a step, the upper surface of the side wall located at the step is provided with a buffer foam, a heating glass is provided above the buffer foam, the upper surface of the heating glass is provided with a first heating ITO coating, the lower surface of the heating glass is provided with a second heating ITO coating, and a display module is provided above the heating glass.
[0006] As a preferred implementation of the liquid crystal display screen with improved heating effect provided by the utility model, an FPC is led out from one end of the heating glass, and the FPC is electrically connected to the first heating ITO coating and the second heating ITO coating.
[0007] As a preferred embodiment of the liquid crystal display screen with improved heating effect provided by the utility model, a two-dimensional code laser area is provided on the upper surface of the FPC, and a first ink layer and a second ink layer provided on the first ink layer are provided on the upper surface of the FPC located on the two-dimensional code laser area, and a two-dimensional code is formed on the second ink layer by laser, and the colors of the first ink layer and the second ink layer are different.
[0008] As a preferred implementation of the liquid crystal display screen with improved heating effect provided by the utility model, the first ink layer is a black ink layer, and the second ink layer is a white ink layer.
[0009] As a preferred embodiment of the liquid crystal display screen with improved heating effect provided by the utility model, the thickness of the first ink layer is 30 μm ～ 40 μm, the thickness of the second ink layer is 10 μm ～ 20μm.
[0010] As a preferred implementation of the liquid crystal display screen with improved heating effect provided by the utility model, at least one elastic block is provided between the side of the light guide plate away from the light incident side and the side wall.
[0011] As a preferred implementation of the liquid crystal display screen with improved heating effect provided by the utility model, at least one protrusion is provided on both sides of the elastic block.
[0012] As a preferred implementation of the liquid crystal display screen with improved heating effect provided by the utility model, the elastic block is provided with a shock absorbing hole between adjacent protrusions.
[0013] As a preferred implementation of the liquid crystal display screen with improved heating effect provided by the utility model, grooves are provided on the inner wall of the shock absorbing hole close to the side of the protrusion, and shock absorbing devices are provided between adjacent grooves.
[0014] As a preferred implementation of the liquid crystal display screen with improved heating effect provided by the utility model, the shock absorbing device is a spring or two magnets with the same poles facing each other.
[0015] The utility model has the following beneficial effects:
[0016] Since a heating glass is arranged above the buffer foam, and the upper surface and the lower surface of the heating glass are respectively provided with a first heating ITO coating and a second heating ITO coating, the heating efficiency is doubled due to the provision of the double-sided heating ITO coating, thereby making it adaptable to a lower temperature use environment, ensuring that the heating efficiency is higher than the efficiency of heat dissipation, avoiding the LCD screen from malfunctioning, and improving the competitiveness of the product. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the scheme in the present application, a brief introduction is given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0018] Figure 1 The utility model provides a structural schematic diagram of a liquid crystal display screen with improved heating effect.
[0019] Figure 2 This is a schematic diagram of the structure of the heated glass.
[0020] Figure 3 This is a schematic diagram of the structure of Example 2.
[0021] Figure 4 This is a schematic diagram of the structure of Example 3.
[0022] Figure 5 for Figure 4 Schematic diagram of the structure of the elastic block.
[0023] Description of Figure Numbers:
[0024] Lower frame 1; reflector 2; light guide plate 3; optical film group 4; backlight module 100; bottom plate 11; side wall 12; step 13; buffer foam 5; heating glass 6; first heating ITO coating 61; second heating ITO coating 62; display module 200;
[0025] FPC7; first ink layer 71; second ink layer 72;
[0026] Elastic block 8; convex block 81; shock absorbing hole 82; groove 83; shock absorbing device 84. DETAILED DESCRIPTION
[0027] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.
[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0029] In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second", and "third" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0030] The utility model provides a liquid crystal display screen with improved heating effect, which comprises a lower frame, a reflective sheet, a light guide plate and an optical film group which are sequentially stacked from bottom to top, the lower frame comprises a bottom plate and a side wall extending upward from the edge of the bottom plate, the side wall is provided with a step, the upper surface of the side wall located at the step is provided with a buffer foam, a heating glass is provided above the buffer foam, the upper surface of the heating glass is provided with a first heating ITO coating, the lower surface of the heating glass is provided with a second heating ITO coating, and a display module is provided above the heating glass.
[0031] Since a heating glass is arranged above the buffer foam, and the upper surface and the lower surface of the heating glass are respectively provided with a first heating ITO coating and a second heating ITO coating, the heating efficiency is doubled due to the provision of the double-sided heating ITO coating, thereby making it adaptable to a lower temperature use environment, ensuring that the heating efficiency is higher than the efficiency of heat dissipation, avoiding the LCD screen from malfunctioning, and improving the competitiveness of the product.
[0032] In order to enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings. The present invention is described in detail below in conjunction with the accompanying drawings and embodiments, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limitations on the present invention.
[0033] Example 1
[0034] See also Figure 1 and Figure 2, a liquid crystal display screen with improved heating effect provided by the utility model, comprising a lower frame 1, a reflective sheet 2, a light guide plate 3 and an optical film group 4 which are sequentially stacked from bottom to top, the lower frame 1, the reflective sheet 2, the light guide plate 3 and the optical film group 4 are collectively referred to as a backlight module 100, the lower frame 1 comprises a bottom plate 11 and a side wall 12 extending upward from the edge of the bottom plate 11, a step 13 is arranged on the side wall 12, a buffer foam 5 is arranged on the upper surface of the side wall 12 located at the step 13, the buffer foam 5 is located above the optical film group 4, a heating glass 6 is arranged above the buffer foam 5, a first heating ITO coating 61 is arranged on the upper surface of the heating glass 6, a second heating ITO coating 62 is arranged on the lower surface of the heating glass 6, and a display module 200 is arranged above the heating glass 6. Since a heating glass 6 is arranged above the buffer foam 5, and the upper surface and the lower surface of the heating glass 6 are respectively provided with a first heating ITO coating 61 and a second heating ITO coating 62, the heating efficiency is doubled due to the provision of double-sided heating ITO coatings, so that it can adapt to a lower temperature use environment, ensure that the heating efficiency is higher than the efficiency of heat dissipation, avoid the LCD screen from malfunctioning, and improve the competitiveness of the product.
[0035] Furthermore, an FPC7 is led out from one end of the heating glass 6, and the FPC7 is electrically connected to the first heating ITO coating 61 and the second heating ITO coating 62, so as to control the start and stop of the first heating ITO coating 61 and the second heating ITO coating 62 through FPC7. In some environments with higher temperatures, only the first heating ITO coating 61 or the second heating ITO coating 62 can be started. When the temperature is lower, the two heating ITO coatings are started together.
[0036] Example 2
[0037] See also Figure 3 As a further optimization scheme of Example 1, in this embodiment, a two-dimensional code laser area is further provided on the upper surface of FPC7. A first ink layer 71 and a second ink layer 72 provided on the first ink layer 71 are provided on the upper surface of FPC7 located on the two-dimensional code laser area. The second ink layer 72 is formed with a two-dimensional code by laser. The first ink layer 71 and the second ink layer 72 have different colors. Since two layers of ink, the first ink layer 71 and the second ink layer 72, are provided, the second ink layer 72 on the surface is lasered off by laser to expose the first ink layer 71 on the bottom layer. The areas where the laser is applied are displayed in different colors. The two-dimensional code generated in this way has a good contrast effect and is easy to scan. At the same time, the two-dimensional code will not fall off or be damaged, which prevents the two-dimensional code from being invalid, and greatly reduces the labor cost.
[0038] Furthermore, the first ink layer 71 is a black ink layer, and the second ink layer 72 is a white ink layer. The contrast between the black ink layer and the white ink layer is better, and the code is easier to scan.
[0039] Furthermore, the thickness of the first ink layer 71 is 30 μm. ～ 40 μm. The thickness of the second ink layer 72 is 10 μm ～ 20μm. This thickness is the thickness that the commonly used ultraviolet laser can just penetrate, and there is no dust around after the laser irradiation, which has the advantages of high rhythm and efficiency. The reason why the thickness of the lower first ink layer 71 is thicker than the thickness of the upper second ink layer 72 is to avoid laser power energy fluctuations and prevent the first ink layer 71 from being penetrated by the laser and causing damage to the internal layer of FPC7.
[0040] Example 3
[0041] See also Figure 4 and Figure 5 As a further optimization scheme of Example 1, in this embodiment, at least one elastic block 8 is provided between the side of the light guide plate 3 away from the light incident side and the side wall 12. The elastic block 8 can make the light guide plate 3 firmly abut against the elastic block 8, buffer the impact force of the light guide plate 3 on the lower frame 1, avoid the collision between the light guide plate 3 and the lower frame 1 and cause noise, and also can improve the service life of the light guide plate 3.
[0042] Furthermore, at least one protrusion 81 is provided on both sides of the elastic block 8, and the protrusion 81 directly abuts against the light guide plate 3 and the side wall 12 of the lower frame 1, which can align the elastic block 8 with the light guide plate 3 and the side wall 12, further improving the buffering performance of the elastic block 8.
[0043] As the elastic block 8 is used for a longer time, the elasticity of the elastic block 8 will also weaken due to aging. In order to increase the ability of the elastic block 8 to buffer the impact force and increase the service life of the elastic block 8, the elastic block 8 is provided with a shock-absorbing hole 82 between adjacent protrusions 81. In this embodiment, the shock-absorbing hole 82 is a square hole. When the light guide plate 3 hits the elastic block 8, the elastic block 8 will be concave and deformed in the direction of the shock-absorbing hole 82 to absorb the impact force of the light guide plate 3, thereby further achieving the purpose of shock absorption and noise reduction. It should be noted that the shock-absorbing hole 82 can be a through hole or a blind hole, or an inner hole built into the elastic block 8, which is not limited here and falls within the protection scope of the utility model. The present embodiment uses a through hole, which is easy to manufacture and has a low production cost. The shape of the shock-absorbing hole 82 can be a square hole or a round hole, which can be selected according to actual conditions and is not limited here.
[0044] In order to further increase the ability of the elastic block 8 to buffer the impact force, a groove 83 is provided on the inner wall of the shock-absorbing hole 82 close to the side of the protrusion 81. In this embodiment, there are only two protrusions 81, so there are only two grooves 83. It is possible to set multiple protrusions 81 and multiple grooves 83 according to actual conditions. A shock-absorbing device 84 is provided between adjacent grooves 83. The shock-absorbing device 84 can be used to further increase the ability of the elastic block 8 to buffer the impact force and absorb the impact force of the light guide plate 3, thereby further achieving the purpose of shock absorption and noise reduction.
[0045] Furthermore, the shock absorbing device 84 is any one of a spring or two magnets with the same poles facing each other. The elastic force of the spring or the repulsive force generated by the two magnets with the same poles facing each other is used to further increase the ability of the elastic block 8 to buffer the impact force. The spring and magnet are standard commodities that can be purchased on the market, and no special customization is required. The procurement cost is low and can be replaced at any time, which is cost-effective.
[0046] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0047] Obviously, the embodiments described above are only some embodiments of the present application, rather than all embodiments. The preferred embodiments of the present application are given in the accompanying drawings, but they do not limit the patent scope of the present application. The present application can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present application more thorough and comprehensive. Although the present application is described in detail with reference to the aforementioned embodiments, for those skilled in the art, it is still possible to modify the technical solutions recorded in the aforementioned specific implementation methods, or to perform equivalent replacement of some of the technical features therein. Any equivalent structure made using the contents of the specification and drawings of this application, directly or indirectly used in other related technical fields, is similarly within the scope of patent protection of this application.
Claims
1. A liquid crystal display screen with improved heating effect, characterized in that: It includes a lower frame, a reflective sheet, a light guide plate and an optical film group which are stacked in sequence from bottom to top, the lower frame includes a bottom plate and a side wall extending upward from the edge of the bottom plate, the side wall is provided with a step, the upper surface of the side wall located at the step is provided with a buffer foam, a heating glass is provided above the buffer foam, the upper surface of the heating glass is provided with a first heating ITO coating, the lower surface of the heating glass is provided with a second heating ITO coating, and a display module is provided above the heating glass.
2. The liquid crystal display screen with improved heating effect according to claim 1, characterized in that: An FPC is led out from one end of the heating glass, and the FPC is electrically connected to the first heating ITO coating layer and the second heating ITO coating layer.
3. The liquid crystal display screen with improved heating effect according to claim 2, characterized in that: A QR code laser area is provided on the upper surface of the FPC, a first ink layer and a second ink layer provided on the first ink layer are provided on the upper surface of the FPC located on the QR code laser area, a QR code is formed on the second ink layer by laser, and the colors of the first ink layer and the second ink layer are different.
4. The liquid crystal display screen with improved heating effect according to claim 3, characterized in that: The first ink layer is a black ink layer, and the second ink layer is a white ink layer.
5. The liquid crystal display screen with improved heating effect according to claim 3, characterized in that: The thickness of the first ink layer is 30 μm ～ 40 μm, the thickness of the second ink layer is 10 μm ～ 20μm.
6. The liquid crystal display screen with improved heating effect according to claim 1, characterized in that: At least one elastic block is disposed between the side of the light guide plate away from the light incident side and the side wall.
7. The liquid crystal display screen with improved heating effect according to claim 6, characterized in that: At least one protrusion is disposed on both sides of the elastic block.
8. The liquid crystal display screen with improved heating effect according to claim 7, characterized in that: The elastic block is provided with a shock absorbing hole between adjacent protrusions.
9. The liquid crystal display screen with improved heating effect according to claim 8, characterized in that: Grooves are arranged on the inner wall of the shock absorbing hole on one side close to the protrusion, and shock absorbing devices are arranged between adjacent grooves.
10. The liquid crystal display screen with improved heating effect according to claim 9, characterized in that: The shock absorbing device is a spring or two magnets with the same poles facing each other.