Full-fitting structure of plastic cover plate
By introducing a glass cover as a buffer layer in the fully-fit structure of the display panel, the bending and displaying macula problems caused by the difference in thermal expansion coefficients of the plastic cover and the glass substrate are solved, and the pulling deformation of the display panel is reduced in high or low temperature environments.
Patent Information
- Application Number
- CN202420823699.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-19
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-04-19
AI Technical Summary
The display panel uses a glass substrate to carry the display device, and the thermal expansion coefficient between the plastic cover and the glass substrate is different, resulting in the expansion and contraction of the plastic cover in high or low temperature environments that is greater than that of the glass substrate, causing the display panel to bend and display macula.
A fully fitted structure is adopted, including a plastic cover plate, a glass cover plate and a display panel. The plastic cover plate is fully fitted to one side surface of the glass cover plate, and the display panel is fully fitted to the other side surface of the glass cover plate. The glass cover plate serves as a buffer layer to reduce the pulling force of the plastic cover plate on the display panel.
Through the buffering effect of the glass cover, the pulling force of the plastic cover on the display panel in high or low temperature environments is reduced, and the problem of bending and displaying macula of the display panel is reduced.
Smart Images

Figure CN222784695U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to display technology, in particular to a full-fit structure of a plastic cover plate. Background Art
[0002] The outermost layer of the display panel is generally attached with a protective cover plate, which is used to protect the display panel. The material of the protective cover plate is usually glass or plastic. Since glass cover plates will splash glass fragments outward when they are broken, which can easily cause scratches to nearby people, display panels of sports products generally use plastic cover plates.
[0003] However, the display panel uses a glass substrate to carry the display device, and the thermal expansion coefficients of the plastic cover and the glass substrate are different. In high or low temperature environments, the expansion and contraction of the plastic cover is greater than that of the glass substrate. The plastic cover will pull the display panel, causing the display panel to bend and resulting in yellow spots. Utility Model Content
[0004] In order to solve the above-mentioned deficiencies of the prior art, the utility model provides a fully fitting structure of a plastic cover plate, which can reduce the pulling of the display panel by the plastic cover plate in a high temperature or low temperature environment.
[0005] The technical problem to be solved by the utility model is achieved through the following technical solutions:
[0006] A fully laminated structure of a plastic cover plate comprises a plastic cover plate, a glass cover plate and a display panel using a glass substrate, wherein the plastic cover plate is fully laminated to one side surface of the glass cover plate, and the display panel is fully laminated to the other side surface of the glass cover plate.
[0007] Furthermore, the thickness of the plastic cover is 5.2-6.3 mm.
[0008] Furthermore, the thickness of the glass cover plate is 2.9-3.6 mm.
[0009] Furthermore, the glass substrate includes a first glass substrate and a second glass substrate.
[0010] Furthermore, the plastic cover is a polycarbonate cover, an acrylic cover or a composite board cover.
[0011] Furthermore, the glass cover plate is a soda-lime glass cover plate, a high-aluminum glass cover plate, a silicate glass cover plate or a borate glass cover plate.
[0012] Furthermore, the glass substrate is a soda-lime glass substrate, a high-aluminum glass substrate, a silicate glass substrate or a borate glass substrate.
[0013] Furthermore, the fully-bonded structure further includes a first OCA glue, and the plastic cover plate is fully bonded to a side surface of the glass cover plate through the first OCA glue.
[0014] Furthermore, the fully-bonded structure further includes a second OCA glue, and the display panel is fully bonded to the other side surface of the glass cover plate through the second OCA glue.
[0015] Furthermore, the display panel is an LCD panel or an OLED panel.
[0016] The utility model has the following beneficial effects: the fully-fitted structure of the utility model is provided with the glass cover plate as a buffer layer between the plastic cover plate and the display panel. The pulling force generated when the plastic cover plate expands or contracts in a high temperature or low temperature environment needs to be transmitted to the glass substrate of the display panel via the glass cover plate. The rigidity of the glass cover plate can reduce and mitigate the pulling force of the plastic cover plate. The glass cover plate and the glass substrate are made of the same glass material and will not generate pulling force on the glass substrate in a high temperature or low temperature environment. Therefore, the problem of the display panel being pulled and deformed by the plastic cover plate in a high temperature or low temperature environment can be alleviated. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the stacking structure of the full-fit structure provided by the utility model. DETAILED DESCRIPTION
[0018] The present invention is described in detail below in conjunction with the accompanying drawings and embodiments, 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 having 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 limiting the present invention.
[0019] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship 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 device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0020] 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 technical features indicated. Therefore, a feature defined as "first", "second", and "third" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0021] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix", "set" and the like should be understood in a broad sense, for example, it can be a fixed connection, 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, or 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 the present invention can be understood according to specific circumstances. Example
[0022] like Figure 1 As shown, a fully laminated structure of a plastic cover plate 1 includes a plastic cover plate 1, a glass cover plate 2 and a display panel 3 using a glass substrate 30, wherein the plastic cover plate 1 is fully laminated to one side surface of the glass cover plate 2, and the display panel 3 is fully laminated to the other side surface of the glass cover plate 2.
[0023] The fully-laminated structure of the utility model is provided with the glass cover plate 2 as a buffer layer between the plastic cover plate 1 and the display panel 3. The pulling force generated when the plastic cover plate 1 expands or contracts in a high temperature or low temperature environment needs to be transmitted to the glass substrate 30 of the display panel 3 via the glass cover plate 2. The rigid support of the glass cover plate 2 can offset most of the pulling force of the plastic cover plate 1. The glass cover plate 2 and the glass substrate 30 are made of the same glass material and will not generate pulling force on the glass substrate 30 in a high temperature or low temperature environment. Therefore, the problem of the display panel 3 being pulled and deformed by the plastic cover plate 1 in a high temperature or low temperature environment can be alleviated.
[0024] If the plastic cover plate 1 and the glass cover plate 2 are taken as a whole and regarded as the protective cover plate of the display panel 3, due to the addition of the glass cover plate 2, the thickness of the plastic cover plate 1 can be appropriately reduced while maintaining the same protective effect. After the thickness of the plastic cover plate 1 is reduced, the pulling force generated when it expands and contracts will also be correspondingly reduced, further alleviating the problem of the display panel 3 being pulled and deformed by the plastic cover plate 1 in a high or low temperature environment.
[0025] In this embodiment, the thickness of the plastic cover plate 1 is 5.2-6.3 mm, and the thickness of the glass cover plate 2 is 2.9-3.6 mm.
[0026] The glass substrate 30 includes a first glass substrate 31 and a second glass substrate 32 , and the display device 33 of the display panel 3 is packaged between the first glass substrate 31 and the second glass substrate 32 .
[0027] In this embodiment, the thickness of the first glass substrate 31 and the second glass substrate 32 is 1.0-1.2 mm.
[0028] The display panel 3 is an LCD panel or an OLED panel. If the display panel 3 is an LCD panel, the display device 33 mainly includes a CF color film, a TFT array and a liquid crystal material. If the display panel 3 is an OLED panel, the display device 33 mainly includes an OLED light-emitting device.
[0029] Preferably, the fully-bonded structure further includes a first OCA glue 4 and a second OCA glue 5, the plastic cover plate 1 is fully bonded to one side surface of the glass cover plate 2 through the first OCA glue 4, and the display panel 3 is fully bonded to the other side surface of the glass cover plate 2 through the second OCA glue 5.
[0030] OCA glue, Optically Clear Adhesive, is a special adhesive used to bond transparent optical components. It is colorless and transparent, with a light transmittance requirement of more than 95%, good bonding strength, can be cured at room temperature or medium temperature, and has the characteristics of small curing shrinkage. In addition, OCA glue has high adhesion, high weather resistance, water resistance, high temperature resistance, UV resistance and other properties. The controlled thickness can provide uniform spacing, and long-term use will not cause yellowing, peeling and deterioration.
[0031] In this embodiment, the thickness of the first OCA glue 4 and the second OCA glue 5 is about 250 microns.
[0032] Specifically, the plastic cover plate 1 may be, but is not limited to, a polycarbonate cover plate, an acrylic cover plate or a composite plate cover plate, the glass cover plate 2 may be, but is not limited to, a soda-lime glass cover plate, a high-aluminum glass cover plate, a silicate glass cover plate or a borate glass cover plate, etc., and the glass substrate 30 (the first glass substrate 31 and the second glass substrate 32) may be, but is not limited to, a soda-lime glass substrate, a high-aluminum glass substrate, a silicate glass substrate or a borate glass substrate, etc.
[0033] Optimally, the glass cover plate 2 and the glass substrate 30 are made of the same glass material.
[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the embodiments of the utility model rather than to limit them. Although the embodiments of the utility model are described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the embodiments of the utility model can still be modified or replaced by equivalents, and these modifications or equivalent replacements cannot cause the modified technical solutions to deviate from the scope of the technical solutions of the embodiments of the utility model.
Claims
1. A fully laminating structure of a plastic cover, characterized in that: It comprises a plastic cover plate, a glass cover plate and a display panel using a glass substrate, wherein the plastic cover plate is fully bonded to one side surface of the glass cover plate, and the display panel is fully bonded to the other side surface of the glass cover plate.
2. The fully fitted structure according to claim 1, characterized in that: The thickness of the plastic cover plate is 5.2-6.3 mm.
3. The fully fitted structure according to claim 1 or 2, characterized in that: The thickness of the glass cover plate is 2.9-3.6 mm.
4. The fully fitted structure according to claim 1, characterized in that: The glass substrate includes a first glass substrate and a second glass substrate.
5. The fully fitted structure according to claim 1, characterized in that: The plastic cover plate is a polycarbonate cover plate, an acrylic cover plate or a composite plate cover plate.
6. The fully fitted structure according to claim 1, characterized in that: The glass cover plate is a soda-lime glass cover plate, a high-aluminum glass cover plate, a silicate glass cover plate or a borate glass cover plate.
7. The fully fitted structure according to claim 1, characterized in that: The glass substrate is a soda-lime glass substrate, a high-aluminum glass substrate, a silicate glass substrate or a borate glass substrate.
8. The fully fitted structure according to claim 1, characterized in that: The fully-bonded structure further includes a first OCA glue, and the plastic cover plate is fully bonded to a side surface of the glass cover plate through the first OCA glue.
9. The fully fitted structure according to claim 1, characterized in that: The fully-bonded structure further includes a second OCA glue, and the display panel is fully bonded to the other side surface of the glass cover plate through the second OCA glue.
10. The fully fitted structure according to claim 1, characterized in that: The display panel is an LCD panel or an OLED panel.