High-transmittance cover plate
By plating a silicon nitride film on the glass cover, the light transmittance of the cover is improved, and the problem of low transmittance of the existing glass cover is solved, thereby achieving a wider viewing angle.
Patent Information
- Application Number
- CN202421605582.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-08
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-07-08
AI Technical Summary
The cover plates made of existing glass materials have low transmittance, which affects the viewing angle of display.
A film material assembly including a first silicon nitride film layer and a second silicon nitride film layer is plating on a glass substrate, and the light transmittance of the cover plate is improved by the high refractive index and light transmittance of the silicon nitride film.
The light transmittance of the cover plate is significantly improved, making the viewing angle wider.
Smart Images
Figure CN222826035U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of display screens, in particular to a high-transmittance cover plate. Background Art
[0002] At present, the cover plate is a structure assembled on the display module. In the related art, the current cover plate made of glass has a low transmittance, which further affects the viewing angle of the display. Utility Model Content
[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a high-transmittance cover plate, which can improve the light transmittance of the glass cover plate, thereby making the viewing angle wider.
[0004] The purpose of this utility model is achieved through the following technical solutions:
[0005] In a first aspect, the present application provides a high-transmittance cover plate, comprising: a first glass substrate; a film material assembly, comprising a first silicon nitride film layer and a second silicon nitride film layer, wherein the first silicon nitride film layer is disposed on the first glass substrate, and the second silicon nitride film layer is disposed on the first silicon nitride film layer; and a second glass substrate, disposed on the second silicon nitride film layer.
[0006] The surface area of the first silicon nitride film layer is the same as the surface area of the first glass substrate.
[0007] The surface area of the second silicon nitride film layer is the same as the surface area of the second glass substrate.
[0008] The surface area of the first silicon nitride film layer is the same as the surface area of the second silicon nitride film layer.
[0009] The thickness of the first silicon nitride film layer ranges from 40 mm to 60 mm.
[0010] The thickness of the second silicon nitride film layer ranges from 40 mm to 60 mm.
[0011] The first glass substrate and the second glass substrate have the same thickness.
[0012] The invention also includes a first ink printing position, wherein the first ink printing position is disposed on the first glass substrate.
[0013] The invention also includes a second ink printing position, wherein the second ink printing position is arranged on the first glass substrate.
[0014] The first ink printing position and the second ink printing position are flush with each other.
[0015] Compared with the prior art, the utility model has at least the following advantages:
[0016] The first silicon nitride film layer is plated on the first glass substrate, the second silicon nitride film layer is plated on the second glass substrate, and then the two glass substrates are assembled together to form a cover plate. The light transmittance of the cover plate is improved by utilizing the characteristics of silicon nitride film having a high refractive index and excellent light transmittance. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments are briefly introduced below.
[0018] Figure 1 Schematic diagram of the structure of a high-transmittance cover plate in one embodiment of the utility model. DETAILED DESCRIPTION
[0019] The embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although the embodiments of the present application are shown in the accompanying drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present application more thorough and complete, and to fully convey the scope of the present application to those skilled in the art.
[0020] It should be understood that although the terms "first", "second", "third", etc. may be used in this application to describe various information, this information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of this application, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.
[0021] 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, or a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; 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. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0022] See also Figure 1A high-transmittance cover plate includes: a first glass substrate 100, a film material assembly 200 and a second glass substrate 300, the film material assembly 200 includes a first silicon nitride film layer 210 and a second silicon nitride film layer 220, the first silicon nitride film layer 210 is arranged on the first glass substrate 100, and the second silicon nitride film layer 220 is arranged on the first silicon nitride film layer 210; the second glass substrate 300 is arranged on the second silicon nitride film layer 220.
[0023] It should be noted that the thickness of the first silicon nitride film layer 210 is in the range of 40 mm to 60 mm, and the thickness of the second silicon nitride film layer 220 is in the range of 40 mm to 60 mm. The first silicon nitride film layer 210 is plated on the first glass cover plate 100, and the second silicon nitride film layer 220 is plated on the second glass cover plate 300. Silicon nitride is a compound composed of silicon (Si) and nitrogen (N) elements, and has a variety of crystal forms, and the silicon nitride film has a high refractive index and excellent light transmittance. Thus, by providing the silicon nitride film layer on the first glass cover plate 100 and the second glass cover plate 300, the light transmittance of the cover plate can be greatly improved, thereby making the viewing angle of the cover plate wider.
[0024] See also Figure 1 In one embodiment, the surface area of the first silicon nitride film layer 210 is the same as the surface area of the first glass substrate 100. Specifically, the surface area of the second silicon nitride film layer 220 is the same as the surface area of the second glass substrate 300. Specifically, the surface area of the first silicon nitride film layer 210 is the same as the surface area of the second silicon nitride film layer 220.
[0025] It should be noted that, in order to ensure the same light transmittance at every location of the cover plate, the surface area of the first silicon nitride film layer 210 is the same as that of the first glass substrate 100 , and the surface area of the second silicon nitride film layer 200 is the same as that of the second glass substrate 220 .
[0026] See also Figure 1 In one embodiment, the first glass substrate 100 and the second glass substrate 300 have the same thickness.
[0027] It should be noted that the cover plate of the present application is composed of two glass substrates of the same thickness.
[0028] See also Figure 1 In one embodiment, the first ink printing position 400 is further included, and the first ink printing position 400 is disposed on the first glass substrate 100. Specifically, the second ink printing position 500 is further included, and the second ink printing position 500 is disposed on the first glass substrate 100. Specifically, the first ink printing position 400 and the second ink printing position 500 are flush with each other.
[0029] It should be noted that the first ink printing position 400 and the second ink printing position 500 are both used for screen printing ink.
[0030] The scheme of the present application has been described in detail above with reference to the accompanying drawings. In the above embodiments, the descriptions of the various embodiments have their own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments. Those skilled in the art should also be aware that the actions and modules involved in the specification are not necessarily required for the present application. In addition, it can be understood that the steps in the method of the embodiment of the present application can be adjusted in order, merged and deleted according to actual needs, and the modules in the device of the embodiment of the present application can be merged, divided and deleted according to actual needs.
[0031] The embodiments of the present application have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or improvements to the technology in the market, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed herein.
Claims
1. A high transmittance cover plate, characterized in that: include: a first glass substrate; A film material assembly, comprising a first silicon nitride film layer and a second silicon nitride film layer, wherein the first silicon nitride film layer is disposed on the first glass substrate, and the second silicon nitride film layer is disposed on the first silicon nitride film layer; The second glass substrate is disposed on the second silicon nitride film layer.
2. The high transmittance cover plate according to claim 1, characterized in that: The surface area of the first silicon nitride film layer is the same as the surface area of the first glass substrate.
3. The high transmittance cover plate according to claim 1, characterized in that: The surface area of the second silicon nitride film layer is the same as the surface area of the second glass substrate.
4. The high transmittance cover plate according to claim 1, characterized in that: The surface area of the first silicon nitride film layer is the same as the surface area of the second silicon nitride film layer.
5. The high transmittance cover plate according to claim 1, characterized in that: The thickness of the first silicon nitride film layer ranges from 40 mm to 60 mm.
6. The high transmittance cover plate according to claim 1, characterized in that: The thickness of the second silicon nitride film layer ranges from 40 mm to 60 mm.
7. The high transmittance cover plate according to claim 1, characterized in that: The first glass substrate and the second glass substrate have the same thickness.
8. The high transmittance cover plate according to claim 1, characterized in that: The invention also includes a first ink printing position, wherein the first ink printing position is disposed on the first glass substrate.
9. The high transmittance cover plate according to claim 8, characterized in that: The invention also includes a second ink printing position, wherein the second ink printing position is arranged on the first glass substrate.
10. The high transmittance cover plate according to claim 9, characterized in that: The first ink printing position and the second ink printing position are flush with each other.