Solar touch display screen

By designing the solar substrate as a ring structure and combining it with a transparent tempered glass cover and a TFT display, the problem of excessive thickness of the solar smart watch is solved, and the display is lightweight and convenient.

CN223245093UActive Publication Date: 2025-08-19TRULY OPTO ELECTRONICS
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Patent Information

Application Number
CN202422369809.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-27
Publication Date
2025-08-19
Estimated Expiration
2034-09-27

AI Technical Summary

Technical Problem

The existing solar smart watches have added solar glass substrates, resulting in a thick overall thickness, which affects the appearance and convenience of use.

Method used

A solar touch display is designed to hollow out the middle of the solar substrate into a ring structure. The annular solar substrate surrounds the outer periphery of the display, and thin-film connection is achieved through OCA glue and FPC welding, combining transparent tempered glass cover plate and TFT display screen to optimize the overall thickness.

Benefits of technology

It realizes the lightness and thinness of the display screen, improving the appearance and convenience of the watch.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a solar touch display screen which comprises a circular cover plate, a first annular ink layer which is screen-printed on the edge of the back face of the circular cover plate, a second annular ink layer which is screen-printed on the back face of the circular cover plate and close to a visual area, and an annular solar substrate which is arranged between the first annular ink layer and the second annular ink layer. The TFT display screen is attached to the back surface of the circular cover plate in the visual area; the backlight is connected with the back surface of the solar substrate in a bonding manner; the solar substrate comprises a first FPC, the backlight comprises a second FPC, the TFT display screen comprises a third FPC, and the first FPC and the second FPC are welded to the third FPC. According to the solar touch display screen provided by the utility model, the middle of the solar substrate is designed to be of a hollowed-out glass structure, and the solar substrate is designed to be of an annular structure and surrounds the periphery of the display screen, so that the display module can be thinned to improve the thickness problem, and a watch can be thinned and lightened.
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Description

Technical Field

[0001] The utility model relates to the technical field of touch display screens, and in particular to a solar touch display screen. Background Art

[0002] Consumers who engage in long-term outdoor activities will choose smart watches with automatic solar charging. However, the current design of solar smart watches has an extra layer of solar glass substrate, which makes the overall thickness relatively thick, affecting the appearance and making it inconvenient to move around. Utility Model Content

[0003] The purpose of the present invention is to provide a solar touch display screen, aiming to partially solve the above technical problems.

[0004] Specifically, the specific technical solution of the utility model is: a solar touch display screen is proposed, including a circular cover plate, a first annular ink layer is silk-screened on the edge of the back side of the circular cover plate, a second annular ink layer is silk-screened on the back side of the circular cover plate near the viewing area, and an annular solar substrate is arranged between the first annular ink layer and the second annular ink layer; the back side of the circular cover plate is bonded to the TFT display screen in the viewing area; it also includes a backlight, which is bonded to the back side of the solar substrate; the solar substrate includes a first FPC, the backlight includes a second FPC, the TFT display screen includes a third FPC, and the first FPC and the second FPC are welded to the third FPC.

[0005] As a preferred technical solution, the TFT display screen is adhered to the viewing area on the back of the circular cover plate by OCA glue.

[0006] As a preferred technical solution, the thickness of the OCA glue is 25 to 35 μm.

[0007] As a preferred technical solution, the circular cover is made of transparent tempered glass.

[0008] As a preferred technical solution, the light transmittance of the solar substrate is greater than 85%.

[0009] As a preferred technical solution, it also includes a solar energy regulator, which is integrated into the first FPC and is used to regulate the solar substrate to provide power for the TFT display screen with maximum efficiency.

[0010] As a preferred technical solution, the solar substrate is a copper indium gallium selenide solar thin film substrate.

[0011] As a preferred technical solution, the solar substrate is a transparent substrate, which includes a positive electrode, a negative electrode and a thin film solar power generation layer between the positive electrode and the negative electrode.

[0012] As a preferred technical solution, the back side of the third FPC includes a reinforcing plate, and the thickness of the reinforcing plate is 0.25-0.3 mm.

[0013] As a preferred technical solution, the reinforcement plate is a steel sheet reinforcement plate.

[0014] The beneficial effect of the present invention is as follows: the present invention proposes a solar touch display screen, in which the middle of the solar substrate is designed to be a structure with the glass hollowed out, and the solar substrate is designed to be a ring structure, surrounding the periphery of the display screen. Such an arrangement can achieve the goal of making the display module thinner, thereby improving the thickness problem, so that the watch can be made thinner and lighter. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 This is a schematic diagram of the structure of a solar touch display screen proposed in an embodiment of the present utility model;

[0017] Figure 2 This is a schematic diagram of the side structure of a solar touch display screen proposed in an embodiment of the utility model.

[0018] Explanation of the reference numerals: first annular ink layer 1; circular cover plate 2; second annular ink layer 3; TFT display screen 4; backlight 5; OCA glue 6; solar substrate 7; first FPC 8; second FPC 9; third FPC 10. DETAILED DESCRIPTION

[0019] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this application will be thorough and complete and will fully convey the concepts of the example embodiments to those skilled in the art.

[0020] In addition, described feature, structure or characteristic can be combined in one or more embodiments in any suitable manner.In the following description, many specific details are provided so as to provide a full understanding of the embodiments of the present application. However, it will be appreciated by those skilled in the art that the technical scheme of the present application can be put into practice without one or more of the specific details, or other methods, components, devices, steps etc. can be adopted. In other cases, known methods, devices, implementations or operations are not shown or described in detail to avoid blurring the various aspects of the application.

[0021] The block diagrams shown in the accompanying drawings are merely functional entities and do not necessarily correspond to physically separate entities. That is, these functional entities may be implemented in software, in one or more hardware modules or integrated circuits, or in different networks and / or processor devices and / or microcontroller devices.

[0022] The flowcharts shown in the accompanying drawings are for illustrative purposes only and do not necessarily include all contents and operations / steps, nor must they be executed in the order described. For example, some operations / steps may be decomposed, while others may be combined or partially combined. Therefore, the actual execution order may vary depending on the actual situation.

[0023] It should be noted that the “plurality” mentioned in this article refers to two or more.

[0024] Example

[0025] like Figure 1-2 As shown, this embodiment provides a solar touch screen display comprising a circular cover plate 2 made of transparent tempered glass. A first annular ink layer 1 is screen-printed along the edge of the back of the circular cover plate 2 to shield the metal wires on the solar substrate 7. A second annular ink layer 3 is screen-printed on the back of the circular cover plate 2 near the viewing area to shield the frame of the in-cell TFT display 4.

[0026] An annular solar substrate 7 is disposed between the first annular ink layer 1 and the second annular ink layer 3. The back of the circular cover 2 is bonded to the TFT display 4 in the viewing area. A backlight 5 is also included, which is bonded to the back of the solar substrate 7. The solar substrate 7 includes a first FPC 8, the backlight 5 includes a second FPC 9, and the TFT display 4 includes a third FPC 10. The first FPC 8 and the second FPC 9 are soldered to the third FPC 10 to connect the circuits. This arrangement hollows out the center of the solar substrate 7, and the TFT display 4 is placed in the hollowed-out area. Compared to an arrangement where the entire solar substrate 7 is provided, the overall thickness of the product can be reduced, resulting in a slimmer and lighter appearance.

[0027] Preferably, the TFT display screen 4 is attached to the viewing area on the back of the circular cover plate 2 by means of an OCA adhesive 6. The OCA adhesive 6 is a transparent adhesive layer. Furthermore, the thickness of the OCA adhesive 6 is 25 to 35 μm.

[0028] Preferably, the light transmittance of the solar substrate 7 is greater than 85%. The solar substrate 7 is a copper indium gallium selenide solar thin film substrate. The solar substrate 7 is a transparent substrate comprising a positive electrode, a negative electrode, and a thin film solar power generation layer between the positive electrode and the negative electrode.

[0029] Preferably, a solar energy regulator is further included. The solar energy regulator is integrated into the first FPC 8 and is used to regulate the solar substrate 7 to supply power to the TFT display screen 4 with maximum efficiency.

[0030] Preferably, the back side of the third FPC 10 includes a reinforcing plate, the thickness of the reinforcing plate is 0.25-0.3 mm, and the reinforcing plate is a steel sheet reinforcing plate.

[0031] The specific implementation methods described above further illustrate the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above description is only a specific implementation method of the utility model and is not intended to limit the scope of protection of the utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. A solar touch display screen, characterized in that: It includes a circular cover plate, a first annular ink layer is silk-screened on the edge of the back side of the circular cover plate, a second annular ink layer is silk-screened on the back side of the circular cover plate near the viewing area, and an annular solar substrate is arranged between the first annular ink layer and the second annular ink layer; the back side of the circular cover plate is bonded to a TFT display screen in the viewing area; it also includes a backlight, which is bonded to the back side of the solar substrate; the solar substrate includes a first FPC, the backlight includes a second FPC, the TFT display screen includes a third FPC, and the first FPC and the second FPC are welded to the third FPC.

2. A solar touch display screen according to claim 1, characterized in that: The TFT display screen is adhered to the viewing area on the back of the circular cover plate by OCA glue.

3. The solar touch display screen according to claim 2, characterized in that: The thickness of the OCA glue is 25-35 μm.

4. The solar touch display screen according to claim 2, characterized in that: The circular cover is made of transparent tempered glass.

5. The solar touch display screen according to claim 2, characterized in that: The light transmittance of the solar substrate is greater than 85%.

6. The solar touch display screen according to claim 2, characterized in that: It also includes a solar energy regulator, which is integrated into the first FPC and is used to regulate the solar substrate to provide power to the TFT display screen with maximum efficiency.

7. The solar touch display screen according to claim 2, characterized in that: The solar substrate is a copper indium gallium selenide solar thin film substrate.

8. The solar touch display screen according to claim 7, characterized in that: The solar substrate is a transparent substrate, which includes a positive electrode, a negative electrode and a thin film solar power generation layer between the positive electrode and the negative electrode.

9. A solar touch display screen according to any one of claims 1 to 8, characterized in that: The back side of the third FPC includes a reinforcing plate, and the thickness of the reinforcing plate is 0.25-0.3 mm.

10. The solar touch display screen according to claim 9, characterized in that: The reinforcing plate is a steel sheet reinforcing plate.