AMOLED display module and smart watch

By using a thermally conductive adhesive layer in AMOLED smart watch to apply the heat dissipation foam to the glass panel and the case, the heating problem caused by insufficient heat dissipation of the AMOLED display module during outdoor sports is solved, which delays aging and in limited space The heat dissipation structure is added to achieve higher stability and quality.

CN222213647UActive Publication Date: 2024-12-20TRULY OPTO ELECTRONICS
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Patent Information

Application Number
CN202420648975.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-29
Publication Date
2024-12-20
Estimated Expiration
2034-03-29

AI Technical Summary

Technical Problem

During outdoor sports, AMOLED smart watches have severe heat due to insufficient heat dissipation at high brightness, and aging is accelerated. At the same time, there are challenges in increasing the heat dissipation structure in a limited space.

Method used

The heat-conducting adhesive layer is used to apply the heat-dissipating foam to the AMOLED glass panel, and the display module is applied to the case through double-sided adhesive, which increases the heat-dissipation structure, delays the aging of the module, and provides buffering, bottoming and anti-seismic effects.

Benefits of technology

It effectively improves the heat dissipation performance of AMOLED glass panels, delays the aging of the display module, and at the same time adds a heat dissipation structure in the limited space of the smart watch, improving the stability and quality of the module.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an AMOLED (Active Matrix / Organic Light Emitting Diode) display module and an intelligent watch. The AMOLED display module comprises an AMOLED glass panel and heat dissipation foam, and a heat-conducting glue layer is arranged on one side, attached to the AMOLED glass panel, of the heat dissipation foam. According to the AMOLED glass panel, the heat-conducting glue layer is arranged on one side of the foam, so that the heat dissipation foam is attached to the AMOLED glass panel, the heat dissipation performance of the AMOLED glass panel can be effectively improved, the specific heat dissipation performance can be determined according to the size of the heat dissipation foam, a heat dissipation structure is additionally arranged in a limited space range of the intelligent watch, and the heat dissipation performance of the intelligent watch is improved. The aging of the AMOLED display module is delayed, and meanwhile, the heat dissipation foam also has the effects of buffering, bottom supporting and shock resistance.
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Description

Technical Field

[0001] The utility model relates to the field of display technology, and in particular to an AMOLED display module and a smart watch. Background Art

[0002] At present, outdoor sports AMOLED smart watches are used outdoors. Due to the influence of strong external light, the brightness of AMOLED needs to be adjusted to a higher level to see the information on the watch clearly. The brightness is about 800-1000nits. Therefore, the surface of AMOLED will heat up seriously when used for a long time. In order to prevent AMOLED from working for a long time under high temperature and accelerate the aging of AMOLED display module, its heat dissipation problem must be considered. At the same time, the thickness of the smart watch must also be considered. How to increase the heat dissipation structure within a limited space is also one of the problems that need to be solved urgently. Utility Model Content

[0003] The purpose of the utility model is to solve the shortcomings of the prior art and to propose an AMOLED display module and a smart watch.

[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 an AMOLED display module, comprising:

[0006] AMOLED glass panel and heat dissipation foam;

[0007] The side where the heat dissipation foam is attached to the AMOLED glass panel is a thermal conductive adhesive layer.

[0008] As a preferred embodiment of the utility model, the heat dissipation foam comprises a heat conductive adhesive layer, a foam layer and a double-sided adhesive layer arranged in sequence;

[0009] The thermally conductive adhesive layer is used to apply the heat dissipation foam to the AMOLED glass panel;

[0010] The double-sided adhesive is used to stick the AMOLED display module to the casing.

[0011] As a preferred embodiment of the utility model, the thermally conductive adhesive layer is selected from one of organic silicone thermally conductive adhesive, epoxy resin AB adhesive, polyurethane adhesive, polyurethane thermally conductive adhesive and thermally conductive silicone grease.

[0012] As a preferred embodiment of the present utility model, the AMOLED glass panel comprises an upper glass substrate and a lower glass substrate which are arranged in sequence;

[0013] The heat dissipation foam is attached to the outer side of the lower glass substrate.

[0014] As a preferred implementation manner of the utility model, it further comprises a circular polarizer, and the circular polarizer is arranged on a side of the AMOLED glass panel away from the heat dissipation foam.

[0015] As a preferred implementation manner of the present invention, it further comprises a cover plate, and the cover plate is arranged on a side of the circular polarizer away from the AMOLED glass panel.

[0016] As a preferred implementation manner of the present invention, the cover plate and the circular polarizer are bonded together by OCA optical adhesive.

[0017] As a preferred embodiment of the present utility model, the cover plate is coated with an optical film layer;

[0018] The optical film layer includes one or more of an anti-glare film layer and an anti-fingerprint film layer.

[0019] As a preferred implementation manner of the utility model, it also includes a flexible circuit board, and the flexible circuit board is electrically connected to the AMOLED glass panel.

[0020] In a second aspect, an embodiment of the present invention further provides a smart watch, comprising a housing and an AMOLED display module as described in any embodiment of the present invention.

[0021] Compared with the prior art, the advantages and positive effects of the utility model are:

[0022] In the utility model, by setting one side of the foam as a thermal conductive adhesive layer, the heat dissipation foam is applied to the AMOLED glass panel, which can effectively improve the heat dissipation performance of the AMOLED glass panel. The specific heat dissipation performance can be determined according to the size of the heat dissipation foam. The heat dissipation structure is added within the limited space of the smart watch, and the aging of the AMOLED display module is delayed. At the same time, the heat dissipation foam also plays a buffering, bottoming and shock-resistant effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of the side structure of an AMOLED display module provided by the utility model;

[0024] Figure 2 A schematic diagram of the side structure of an AMOLED display module provided by the utility model;

[0025] Figure 3 The present invention is a front view structural schematic diagram of an AMOLED display module provided by the present invention. DETAILED DESCRIPTION

[0026] 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.

[0027] 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.

[0028] 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.

[0029] 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.

[0030] First, see Figure 1 The present utility model provides an AMOLED display module, comprising:

[0031] AMOLED glass panel 100 and heat dissipation foam 200;

[0032] The side where the heat dissipation foam 200 and the AMOLED glass panel 100 are attached is a thermal conductive adhesive layer 210 .

[0033] In the utility model, by setting one side of the foam as a thermal conductive adhesive layer, the heat dissipation foam is applied to the AMOLED glass panel, which can effectively improve the heat dissipation performance of the AMOLED glass panel. The specific heat dissipation performance can be determined according to the size of the heat dissipation foam. The heat dissipation structure is added within the limited space of the smart watch, and the aging of the AMOLED display module is delayed. At the same time, the heat dissipation foam also plays a buffering, bottoming and shock-resistant effect.

[0034] As a preferred embodiment of the present invention, please refer to Figure 1 The heat dissipation foam 200 includes a heat conductive adhesive layer 210, a foam layer 220 and a double-sided adhesive 230 arranged in sequence;

[0035] The thermal conductive adhesive layer 210 is used to attach the heat dissipation foam 200 to the AMOLED glass panel 100;

[0036] The double-sided adhesive 230 is used to attach the AMOLED display module to the housing.

[0037] As a preferred embodiment of the present invention, the thermally conductive adhesive layer is selected from one of silicone thermally conductive adhesive, epoxy resin AB adhesive, polyurethane adhesive, polyurethane thermally conductive adhesive and thermally conductive silicone grease. The thermally conductive adhesive layer in the embodiment of the present invention has excellent thermal conductivity, electrical properties, bonding strength and high and low temperature resistance. Therefore, its setting not only achieves the purpose of heat dissipation, but also enhances the stability of the display module and improves the quality of the display module. The thermally conductive adhesive layer in the embodiment of the present invention is preferably 0.125mm.

[0038] As a preferred embodiment of the present invention, please refer to Figure 2 , the AMOLED glass panel 100 includes an upper glass substrate 110 and a lower glass substrate 120 which are arranged in sequence;

[0039] The heat dissipation foam 200 is attached to the outer side of the lower glass substrate 120. In actual use, the heat dissipation foam is inside the housing, does not affect the appearance, and does not increase the thickness of the existing product.

[0040] As a preferred embodiment of the present invention, please refer to Figure 2 , further comprising a circular polarizer 300, which is arranged on a side of the AMOLED glass panel 100 away from the heat dissipation foam 200. The arrangement of the circular polarizer 300 can reduce the reflection of the AMOLED display module.

[0041] As a preferred embodiment of the present invention, please refer to Figure 2 , further comprising a cover plate 400, wherein the cover plate 400 is disposed on a side of the circular polarizer 300 away from the AMOLED glass panel.

[0042] As a preferred implementation manner of the present invention, the cover plate and the circular polarizer are bonded together by OCA optical adhesive.

[0043] As a preferred embodiment of the present utility model, the cover plate is coated with an optical film layer;

[0044] The optical film layer includes one or more of an anti-glare film layer and an anti-fingerprint film layer.

[0045] The arrangement of the optical film layer can enable the AMOLED display module to achieve the purpose of anti-glare and anti-fingerprint.

[0046] As a preferred embodiment of the present invention, please refer to Figure 3 , further comprising a flexible circuit board 500, wherein the flexible circuit board 500 is electrically connected to the AMOLED glass panel 100. The AMOLED glass panel can be driven and powered.

[0047] In a second aspect, an embodiment of the present invention further provides a smart watch, comprising a housing and an AMOLED display module as described in any embodiment of the present invention.

[0048] The AMOLED display module is attached to the inside of the housing through heat dissipation foam. In addition, the AMOLED display module can be locked in the housing through screws.

[0049] 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. An AMOLED display module, characterized in that: include: AMOLED glass panel and heat dissipation foam; The side where the heat dissipation foam is attached to the AMOLED glass panel is a thermal conductive adhesive layer.

2. The AMOLED display module according to claim 1, characterized in that: The heat dissipation foam comprises a heat conductive adhesive layer, a foam layer and a double-sided adhesive layer arranged in sequence; The thermally conductive adhesive layer is used to apply the heat dissipation foam to the AMOLED glass panel; The double-sided adhesive is used to stick the AMOLED display module to the casing.

3. The AMOLED display module according to claim 1, characterized in that: The thermally conductive adhesive layer is selected from one of organic silicon thermally conductive adhesive, epoxy resin AB adhesive, polyurethane adhesive, polyurethane thermally conductive adhesive and thermally conductive silicone grease.

4. The AMOLED display module according to claim 1, characterized in that: The AMOLED glass panel includes an upper glass substrate and a lower glass substrate which are arranged in sequence; The heat dissipation foam is attached to the outer side of the lower glass substrate.

5. The AMOLED display module according to claim 1, characterized in that: A circular polarizer is also included, and the circular polarizer is arranged on a side of the AMOLED glass panel away from the heat dissipation foam.

6. The AMOLED display module according to claim 5, characterized in that: A cover plate is also included, and the cover plate is arranged on a side of the circular polarizer away from the AMOLED glass panel.

7. The AMOLED display module according to claim 6, characterized in that: The cover plate and the circular polarizer are bonded together by OCA optical adhesive.

8. The AMOLED display module according to claim 6, characterized in that: The cover plate is plated with an optical film layer; The optical film layer includes one or more of an anti-glare film layer and an anti-fingerprint film layer.

9. The AMOLED display module according to claim 1, characterized in that: It also includes a flexible circuit board, which is electrically connected to the AMOLED glass panel.

10. A smart watch, characterized in that: It comprises a casing and an AMOLED display module as claimed in any one of claims 1 to 9.