Novel cover plate, display module and electronic equipment

By using tempered glass film and silk-printed ink layer in the new cover plate, the macular and bubble problems that appear after the cover plate is attached to OCA in the prior art are solved, and the quality and maintainability of the display module are improved.

CN222439795UActive Publication Date: 2025-02-07TRULY OPTO ELECTRONICS
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Patent Information

Application Number
CN202421159878.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-24
Publication Date
2025-02-07
Estimated Expiration
2034-05-24

AI Technical Summary

Technical Problem

The existing mobile phone display modules are screen-printed black ink in the non-visible area on the back of the cover, causing OCA to be squeezed after bonding, affecting the thickness of the glass liquid crystal box, macular phenomena and fit bubbles, affecting the display effect and product quality. .

Method used

A new cover plate is adopted, including a cover plate glass and tempered glass film stacked in sequence. A screen printing ink layer is provided on the tempered glass film. The ink layer is located in the non-display area, which avoids the use of traditional ink layer and protects the cover surface through the tempered glass film. .

Benefits of technology

It avoids the macular spots and bubbles that appear after the cover plate is applied to OCA, protects the surface of the cover plate, and enhances the quality and maintainability of the display module.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a novel cover plate, a display module and electronic equipment. The novel cover plate comprises cover plate glass and a tempered glass film which are sequentially stacked, the cover plate glass comprises a display area and a non-display area; the tempered glass film comprises a tempered glass base material and a silk-screen printing ink layer, and the silk-screen printing ink layer is arranged on the side, close to the cover plate glass, of the tempered glass base material. When the cover plate glass and the tempered glass film are stacked, the silk-screen printing ink layer is arranged at the position corresponding to the non-display area. According to the technical scheme, an ink layer used for shielding the non-display area part between the cover plate glass and the display screen in a traditional cover plate is omitted, and therefore the phenomena of yellow spots, attachment bubbles and the like caused after OCA is attached to the cover plate are avoided; the tempered glass film is additionally arranged, so that the non-display area part is shielded through the silk-screen printing ink layer of the tempered glass film, and the surface of the cover plate is protected.
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Description

Technical Field

[0001] The utility model relates to the technical field of display screens, and in particular to a novel cover plate, a display module and an electronic device. Background Art

[0002] In order to cover FPC, IC, display glass and other components, mobile phone display modules will screen print black ink on the non-visible area on the back of the cover. Due to the height difference of black ink (about 15um), after OCA is attached, OCA is squeezed, affecting the thickness of the display glass liquid crystal box, and easily generating yellow spots at the edge of the viewing area, as well as laminating bubbles, which affects the display effect and product quality. Utility Model Content

[0003] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a new cover plate, a display module and an electronic device.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] In a first aspect, an embodiment of the utility model provides a novel cover plate, comprising: a cover plate glass and a tempered glass film stacked in sequence;

[0006] The cover glass includes a display area and a non-display area;

[0007] The tempered glass film comprises a tempered glass substrate and a silk-screen ink layer, wherein the silk-screen ink layer is arranged on a side of the tempered glass substrate close to the cover glass;

[0008] When the cover glass and the tempered glass film are stacked, the silk-screen ink layer is arranged at a position corresponding to the non-display area.

[0009] As a preferred embodiment of the present invention, one or more of an AG film layer, an AR film layer or an AF film layer is coated on a side of the tempered glass substrate away from the cover glass.

[0010] As a preferred implementation of the present invention, the cover glass is made of high-transmittance tempered glass.

[0011] As a preferred embodiment of the utility model, the silk-screen ink layer is formed by silk-screening using one or a combination of ordinary ink or antistatic ink.

[0012] As a preferred embodiment of the present invention, the thickness of the silk-screen ink layer is between 1 μm and 4 μm.

[0013] As a preferred implementation manner of the present utility model, the tempered glass film further comprises a hot melt adhesive layer, and the hot melt adhesive layer is arranged on a side of the silk-screen ink layer close to the cover glass.

[0014] As a preferred embodiment of the present invention, the edges of the cover glass are curved, and the edges of the tempered glass film have the same curvature as the edges of the cover glass and fit closely.

[0015] As a preferred embodiment of the present invention, the tempered glass film further includes an anti-peeping layer, and the anti-peeping layer is arranged between the tempered glass substrate and the silk-screen ink layer.

[0016] In a second aspect, an embodiment of the present utility model further provides a display module, comprising: a display screen, a backlight module, and a new cover plate as described in any embodiment of the present utility model;

[0017] The novel cover plate, display screen and backlight module are sequentially laminated and arranged;

[0018] The novel cover plate and the display screen are bonded together by OCA optical adhesive.

[0019] In a third aspect, an embodiment of the present utility model further provides an electronic device, comprising a display module as described in any embodiment of the present utility model.

[0020] Compared with the prior art, the advantages and positive effects of the utility model are:

[0021] The technical solution of the embodiment of the utility model eliminates the ink layer between the cover glass and the display screen in the traditional cover for shielding the non-display area, thereby avoiding the yellow spots, bonding bubbles and the like caused by the cover after OCA bonding; and adds a built-in tempered glass film, which not only shields the non-display area through the silk-screen ink layer of the tempered glass film, but also protects the surface of the cover, avoiding scratches on the surface of the cover; if the tempered glass film is damaged, it can be replaced with a new tempered glass film later. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A schematic diagram of the side structure of a new type of cover provided by the utility model;

[0023] Figure 2 A schematic diagram of the top view structure of a new type of cover provided by the utility model;

[0024] Figure 3 The present invention is a schematic structural diagram of a display module provided by the present invention. DETAILED DESCRIPTION

[0025] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0027] In the description of the present invention, it should be understood that the terms "thickness", "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, rather than indicating or implying 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.

[0028] 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.

[0029] First, refer to Figure 1-2 , the embodiment of the utility model provides a new type of cover plate, comprising: a cover glass 100 and a tempered glass film 200 stacked in sequence;

[0030] The cover glass 100 includes a display area 110 and a non-display area 120;

[0031] The tempered glass film 200 includes a tempered glass substrate 210 and a silk-screen ink layer 220 , wherein the silk-screen ink layer 220 is disposed on a side of the tempered glass substrate 210 close to the cover glass 100 ;

[0032] When the cover glass 100 and the tempered glass film 200 are stacked, the silk-screen ink layer 220 is disposed at a position corresponding to the non-display area 120 .

[0033] The technical solution of the embodiment of the utility model eliminates the ink layer between the cover glass and the display screen in the traditional cover for shielding the non-display area, thereby avoiding the yellow spots, bonding bubbles and the like caused by the cover after OCA bonding; and adds a built-in tempered glass film, which not only shields the non-display area through the silk-screen ink layer of the tempered glass film, but also protects the surface of the cover, avoiding scratches on the surface of the cover; if the tempered glass film is damaged, it can be replaced with a new tempered glass film later.

[0034] As a preferred embodiment of the present invention, one or more of an AG film layer, an AR film layer or an AF film layer is coated on the side of the tempered glass substrate 210 away from the cover glass 100. The above configuration enables the surface of the tempered glass substrate to have anti-glare, anti-fingerprint or anti-reflection functions, thereby making the cover plate and the display module using the new cover plate in the embodiment of the present invention more integrated and more transparent.

[0035] As a preferred embodiment of the present invention, the cover glass is made of high-transmittance tempered glass, so that the display effect of the display module using the new cover in the embodiment of the present invention is better.

[0036] As a preferred embodiment of the utility model, the silk-screen ink layer is formed by silk-screening with one or a combination of ordinary ink or antistatic ink. When antistatic ink is used, static electricity can be discharged in time to avoid the accumulation of static charge on the surface of the glass cover plate, thereby reducing the problem of dirt adsorption caused by electrostatic adsorption. Among them, when the silk-screen ink layer is formed by silk-screening with a combination of ordinary ink and antistatic ink, the antistatic ink can be silk-screened only on the upper and lower sides of the tempered glass substrate, and the rest of the parts corresponding to the non-display area are all silk-screened with ordinary ink, which can achieve antistatic effect while saving costs.

[0037] As a preferred embodiment of the present invention, the thickness of the silk-screen ink layer is between 1 μm and 4 μm.

[0038] As a preferred embodiment of the present invention, the tempered glass film 200 further includes a hot melt adhesive layer 230 , and the hot melt adhesive layer 230 is disposed on a side of the silk-screen ink layer 220 close to the cover glass 100 .

[0039] As a preferred embodiment of the utility model, the edges of the cover glass are curved, and the edges of the tempered glass film have the same curvature as the edges of the cover glass and fit closely. Existing display devices such as mobile phone screens, flat panel displays or car displays often use curved screens with four curved sides for aesthetics and hand feel. The utility model embodiment not only improves the aesthetics and experience of the display module through the above-mentioned setting, but also improves the bonding effect between the tempered glass film and the curved cover glass.

[0040] As a preferred embodiment of the present invention, the tempered glass film 200 further includes an anti-peeping layer 240 , and the anti-peeping layer 240 is disposed between the tempered glass substrate 210 and the silk-screen ink layer 220 .

[0041] Second, reference Figure 3 , the embodiment of the utility model further provides a display module, comprising: a display screen 1, a backlight module 2 and a new cover plate 3 described in any embodiment of the utility model;

[0042] The novel cover plate 3, the display screen 1 and the backlight module 2 are sequentially laminated and arranged;

[0043] The novel cover plate 3 and the display screen 1 are bonded together by OCA optical adhesive 4 .

[0044] The display module of the embodiment of the utility model adopts the new cover plate in any embodiment of the utility model, and the ink layer between the cover plate glass and the display screen used to shield the non-display area in the traditional cover plate is eliminated, thereby avoiding the yellow spots, bonding bubbles and other phenomena caused by the cover plate after bonding the OCA. In addition, a self-contained tempered glass film is added, which not only shields the non-display area through the silk-screen ink layer of the tempered glass film, but also protects the surface of the cover plate, avoiding scratches on the surface of the cover plate and thus affecting the quality of the display module. If the tempered glass film is damaged, it can be replaced with a new tempered glass film later.

[0045] Among them, since the ink layer between the cover glass and the display screen in the traditional cover for shielding the non-display area is eliminated, an OCA optical adhesive layer thinner than the OCA optical adhesive in the traditional display module can be selected for full bonding, further reducing the thickness of the entire machine.

[0046] In a third aspect, the embodiment of the utility model further provides an electronic device, including a display module as described in any embodiment of the utility model, such as a mobile phone, a tablet, and a car display screen.

[0047] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A new type of cover plate, characterized in that: include: Cover glass and tempered glass film stacked in sequence; The cover glass includes a display area and a non-display area; The tempered glass film comprises a tempered glass substrate and a silk-screen ink layer, wherein the silk-screen ink layer is arranged on a side of the tempered glass substrate close to the cover glass; When the cover glass and the tempered glass film are stacked, the silk-screen ink layer is arranged at a position corresponding to the non-display area.

2. The new cover plate according to claim 1 is characterized in that: One or more of an AG film layer, an AR film layer or an AF film layer is coated on a side of the tempered glass substrate away from the cover glass.

3. The new cover plate according to claim 1 is characterized in that: The cover glass is made of high-transmittance tempered glass.

4. The new cover plate according to claim 1 is characterized in that: The silk-screen printing ink layer is formed by silk-screening using one or a combination of common ink or antistatic ink.

5. The new cover plate according to claim 4 is characterized in that: The thickness of the silk-screen ink layer is between 1 μm and 4 μm.

6. The new cover plate according to claim 1 is characterized in that: The tempered glass film further comprises a hot melt adhesive layer, and the hot melt adhesive layer is arranged on a side of the silk-screen ink layer close to the cover glass.

7. The new cover plate according to claim 1 is characterized in that: The edges of the cover glass are curved, and the edges of the tempered glass film have the same curvature as the edges of the cover glass and are closely fitted.

8. The new cover plate according to claim 1 is characterized in that: The tempered glass film further comprises an anti-peeping layer, and the anti-peeping layer is arranged between the tempered glass substrate and the silk-screen ink layer.

9. A display module, characterized in that: include: A display screen, a backlight module, and a novel cover plate as claimed in any one of claims 1 to 8; The novel cover plate, display screen and backlight module are sequentially laminated and arranged; The novel cover plate and the display screen are bonded together by OCA optical adhesive.

10. An electronic device, characterized in that: Comprising the display module as claimed in claim 9.