Display panel and wearable display device

Abstract

The embodiment of the invention discloses a display panel and a wearable display device. The display panel comprises a substrate, a conductive wire and an identification mark, the conductive wires are used for transmitting current; the identification mark is used for providing identification information of the display panel; wherein the conductive wire and the identification mark are arranged on the substrate; the dynamic distance from the conductive wires to the edge of the substrate is L3 microns; the dynamic distance between the identification mark and the edge of the substrate is L4 [mu] m; and the value range of the ratio of the L3 to the L4 is 0.20 to 12.76. According to the display panel, the dynamic distance from the conductive wire to the edge of the substrate and the dynamic distance from the identification mark to the edge of the substrate are set, so that the corrosion possibility of the conductive wire and the periphery of the conductive wire can be reduced, and meanwhile, the size of the display panel can be effectively controlled.

Description

Technical Field

[0001] The present application relates to the field of display technology, and in particular to a display panel and a wearable display device. Background Art

[0002] In the related art, an identification mark is set on the display panel to identify the information of the display panel. Generally speaking, the film structure of the identification mark is different from the rest of the display panel, especially the conductive traces of the display panel. It is now found that the electrochemical corrosion of the conductive traces and their surrounding structures is related to the position of the identification mark.

[0003] In some wearable display devices (such as watches or bracelets), the irregular space makes the display panel layout more restricted, making the impact of identification marks more obvious. How to set identification marks on the display panel to reduce the probability of electrochemical corrosion defects has become an urgent problem to be solved. Summary of the invention

[0004] As the first aspect of the present application, an embodiment of the present application provides a display panel, comprising: a substrate; a conductive trace for transmitting current; an identification mark for providing identification information of the display panel; wherein the conductive trace and the identification mark are both arranged on the substrate; the dynamic distance from the conductive trace to the edge of the substrate is L3μm; the dynamic distance from the identification mark to the edge of the substrate is L4μm; the ratio of L3 to L4 ranges from 0.20 to 12.76.

[0005] In some optional embodiments, the identification mark is disposed between the edge of the substrate and the conductive trace.

[0006] In some optional embodiments, the identification mark is formed by a polysilicon layer of the display panel.

[0007] In some optional embodiments, the identification mark has a rectangular outline.

[0008] In some optional embodiments, the dynamic distance from the identification mark to the edge of the substrate ranges from 193 to 1996 μm.

[0009] In some optional embodiments, the dynamic distance from the conductive trace to the edge of the substrate ranges from 285 to 3520 μm.

[0010] In some optional embodiments, the dynamic distance from the conductive trace to the identification mark is L5 μm; and the ratio of L3 to L5 ranges from 0.24 to 11.00.

[0011] In some optional embodiments, the ratio of L4 to L5 ranges from 0.16 to 6.20.

[0012] In some optional embodiments, the conductive trace includes: a parallel segment extending in a direction parallel to an edge of the identification mark; wherein a distance from the parallel segment to the identification mark is L6; and a ratio of L6 to L3 ranges from 0.11 to 1.37.

[0013] In some optional embodiments, the conductive trace includes: an inclined segment extending in a direction obliquely intersecting with an edge of the identification mark; wherein a dynamic distance from the inclined segment to the identification mark is L7; and a ratio of L7 to L3 ranges from 0.08 to 2.45.

[0014] In some embodiments of the present application, the identification mark is made of an organic polymer material; and / or the identification mark is made of an insulating material.

[0015] As another aspect of the present application, an embodiment of the present application also provides a wearable display device, comprising the display panel described in any of the above embodiments.

[0016] The beneficial effects provided by the embodiments of the present application include at least:

[0017] By setting the dynamic distance from the conductive trace to the edge of the substrate and the dynamic distance from the identification mark to the edge of the substrate, the possibility of corrosion of the conductive trace and its surroundings can be reduced, while the size of the display panel can be effectively controlled.

[0018] Other beneficial effects of the embodiments of the present application will be further described in the following specific implementation manner. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a structural schematic diagram of a display panel provided in an embodiment of the present application;

[0020] Figure 2 yes Figure 1 A schematic diagram showing the dimensions of a portion of the display panel shown;

[0021] Figure 3 yes Figure 1 A schematic diagram showing the dimensions of another part of the display panel;

[0022] Figure 4 yes Figure 1 A schematic diagram showing another part of the dimensions of the display panel shown;

[0023] Figure 5 It is a structural schematic diagram of a wearable display device provided in an embodiment of the present application.

[0024] Meaning of the reference numerals in the figures:

[0025] 100, display panel; 101, substrate; 102, conductive traces; 103, identification mark; DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application. The described technical solutions are only used to explain and illustrate the ideas of the present application and should not be regarded as limiting the scope of protection of the present application.

[0027] In addition, the "plurality" in the embodiments of the present application refers to two or more. The "first" and "second" in the embodiments of the present application are used to distinguish different technical features, and do not indicate any order, quantity or importance.

[0028] The directional terms mentioned in this application, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "side", etc., are only directions in the drawings. The directional terms used in this article are used to explain and illustrate this application, and are not used to limit the scope of protection of this application.

[0029] In the drawings, components with the same structure are represented by the same numerical labels, and components with similar structures or functions are represented by similar numerical labels. In addition, for the convenience of understanding and description, the size and thickness of each component shown in the drawings are arbitrarily shown, and the present application does not limit the size and thickness of each component.

[0030] The various embodiments provided in this application are similar, and features in different embodiments may be combined with each other.

[0031] The order of description of the following embodiments is not intended to limit the preferred order of the embodiments.

[0032] Reference Figures 1 to 4 As shown, the display panel 100 of the present application includes: a substrate 101 , a conductive trace 102 and an identification mark 103 .

[0033] As a specific solution, in some embodiments of the present application, the identification mark 103 is made of an organic polymer material; and / or the identification mark 103 is made of an insulating material. As a more specific solution, the identification mark 103 is made of polyethylene.

[0034] The substrate 101 provides the base of the display panel 100. The conductive trace 102 is used to transmit current; the identification mark 103 is used to provide identification information of the display panel 100; wherein the conductive trace 102 and the identification mark 103 are both arranged on the substrate 101; the area of ​​the identification mark 103 is S μm2 ; The minimum distance from the conductive trace 102 to the identification mark 103 is L1μm; wherein the ratio of S to L1 ranges from 3750 to 7520.

[0035] By selecting the ratio of the area of ​​the identification mark 103 and the distance from the conductive trace 102 to the identification mark 103 , the possibility of corrosion of the display panel can be reduced, while the size of the display panel 100 can be effectively controlled.

[0036] More specifically, the above configuration can effectively avoid electrochemical corrosion of the conductive trace 102 and its surrounding areas, especially electrochemical corrosion of the portion of the conductive trace 120 connected to the ESD (Electro-Static discharge) protection circuit and the structure corresponding to the ESD protection circuit.

[0037] It should be noted that, before the present application, the correlation between the electrochemical corrosion of the conductive trace 102 and the identification mark 103 has not been pointed out, and in particular, the correlation between the electrochemical corrosion occurring in the part of the conductive trace 120 connected to the ESD (Electro-Static discharge) protection circuit and the identification mark 103 and the corresponding solution have not been pointed out.

[0038] As a specific solution, the conductive trace 102 of the present application is connected to the ESD protection circuit of the display panel 100 .

[0039] Reference Figures 1 to 4 As shown, in some embodiments of the present application, the identification mark 103 is disposed between the edge of the substrate 101 and the conductive trace 102. The identification mark 103 is formed by the polysilicon layer of the display panel 100. Moreover, the identification mark 103 has a rectangular outline.

[0040] Reference Figures 1 to 4 As shown, in some embodiments of the present application, the area of ​​the identification mark 103 ranges from 1211400 μm 2 To 2422860μm 2 .

[0041] Reference Figures 1 to 4 As shown, in some embodiments of the present application, the distance between the conductive trace 102 and the identification mark 103 ranges from 225 μm to 1625 μm.

[0042] Reference Figures 1 to 4As shown, in some embodiments of the present application, the minimum distance from the identification mark 103 to the edge of the substrate 101 is L2 μm, and the ratio of S to L2 ranges from 4385 to 8780.

[0043] More specifically, the ratio of the S to the L2 may range from 4400 to 8700, 5500 to 7500, or 6000 to 7000; or, the ratio of the S to the L2 may range from 4300 to 6000, 6500 to 7500, or 7600 to 8700.

[0044] Reference Figures 1 to 4 As shown, in some embodiments of the present application, the ratio of L1 to L2 ranges from 0.81 to 1.65.

[0045] More specifically, the ratio of L1 to L2 may range from 0.85 to 1.6, 1.05 to 1.5, or 0.81 to 1.65; or, the ratio of L1 to L2 may range from 0.82 to 1.02, 1.2 to 1.47, or 1.51 to 1.64.

[0046] Reference Figures 1 to 4 As shown, in some embodiments of the present application, the width of the conductive trace 102 is W μm, and the ratio of S to W ranges from 3775 to 7555.

[0047] More specifically, the ratio of the S to the W may also range from 3800 to 7500, 4500 to 7000, or 5700 to 6600; or, the ratio of the S to the W may also range from 3780 to 4400, 4500 to 6300, or 6500 to 7400.

[0048] Reference Figures 1 to 4 As shown, in some embodiments of the present application, the ratio of W to L1 ranges from 0.69 to 1.40.

[0049] More specifically, the ratio of the W to the L1 may also range from 0.7 to 1.30, 0.9 to 1.2, or 0.95 to 1.15; or, the ratio of the W to the L1 may also range from 0.71 to 0.95, 0.96 to 1.17, or 1.21 to 1.39.

[0050] Reference Figures 1 to 4As shown, in some embodiments of the present application, the dynamic distance from the conductive trace 102 to the edge of the substrate 101 is L3 μm; the dynamic distance from the identification mark to the edge of the substrate 101 is L4 μm; the ratio of L3 to L4 ranges from 0.20 to 12.76.

[0051] Specifically, the ratio of L3 to L4 can also range from 0.20 to 12.76, 2.20 to 10.76, 4.20 to 8.76, 6.20 to 6.76, etc.; or, the ratio of L3 to L4 can also range from 0.20 to 3.20, 3.20 to 6.20, 6.20 to 9.20, 9.20 to 12.76, etc.

[0052] Reference Figures 1 to 4 As shown, in some optional embodiments, the dynamic distance from the identification mark 103 to the edge of the substrate 101 ranges from 193 to 1996 μm.

[0053] Specifically, the dynamic distance from the identification mark to the edge of the substrate may also range from 193 to 1996 μm, 493 to 1696 μm, 793 to 1396 μm, 1093 to 1196 μm, etc.; or, the dynamic distance from the identification mark to the edge of the substrate may also range from 193 to 593 μm, 593 to 993 μm, 993 to 1393 μm, etc.

[0054] Reference Figures 1 to 4 As shown, in some optional embodiments, the dynamic distance from the conductive trace 102 to the edge of the substrate 101 ranges from 285 to 3520 μm.

[0055] Specifically, the dynamic distance from the conductive trace to the edge of the substrate may also range from 285 to 3520 μm, 785 to 3020 μm, 1285 to 2520 μm, 1785 to 2020 μm, etc. Alternatively, the dynamic distance from the conductive trace to the edge of the substrate may also range from 285 to 885 μm, 885 to 1485 μm, 2085 to 2685 μm, 2685 to 3285 μm, or 3285 to 3520 μm.

[0056] Reference Figures 1 to 4 As shown, in some optional embodiments, the dynamic distance from the conductive trace 102 to the identification mark 103 is L5 μm; the ratio of L3 to L5 ranges from 0.24 to 11.00.

[0057] Reference Figures 1 to 4As shown, in some optional embodiments, the ratio of L4 to L5 ranges from 0.16 to 6.20.

[0058] Specifically, the ratio of L4 to L5 may also range from 0.16 to 6.20, 0.96 to 5.40, 1.76 to 4.60, 2.56 to 3.80, etc. Alternatively, the ratio of L4 to L5 may also range from 0.16 to 2.16, 2.16 to 4.16, 4.16 to 6.20, etc.

[0059] Reference Figures 1 to 4 As shown, in some optional embodiments, the conductive trace 102 includes: a parallel section and an inclined section. The parallel section extends in a direction parallel to the edge of the identification mark 103; the inclined section extends in a direction obliquely intersecting the edge of the identification mark 103.

[0060] Specifically, the distance from the parallel section to the identification mark 103 is L6, and the ratio of L6 to L3 is in the range of 0.11 to 1.37. The dynamic distance from the inclined section to the identification mark 103 is L7, and the ratio of L7 to L3 is in the range of 0.08 to 2.45.

[0061] Specifically, the ratio of L6 to L3 can also range from 0.11 to 1.37, 0.26 to 1.22, 0.41 to 1.07, 0.56 to 0.92, 0.70 to 0.80, etc.; or, the ratio of L6 to L3 can also range from 0.11 to 0.41, 0.41 to 0.71, 0.71 to 1.01, 1.01 to 1.37, etc.

[0062] Specifically, the ratio of L7 to L3 can also range from 0.08 to 2.45, 0.38 to 2.15, 0.78 to 1.85, 1.08 to 1.55, etc.; or, the ratio of L7 to L3 can also range from 0.08 to 0.58, 0.58 to 1.08, 1.08 to 1.58, 1.58 to 2.08, 2.08 to 2.45, etc.

[0063] By adopting such a solution, a balance can be struck between the anti-corrosion effect and the space occupancy by adjusting different values.

[0064] Reference Figure 5 As shown, another embodiment of the present application further provides a wearable display device 200, comprising the display panel 100 described in any of the above embodiments.

[0065] The wearable display device 200 may be a smart watch, a wristband, a portable PDA, etc.

[0066] In some embodiments, the display panel 100 of the present application may also be applied to the following display devices: mobile phones, tablet computers, televisions, monitors, laptop computers, digital photo frames, navigators, and any other products or components with display functions.

[0067] Specific examples are used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method and core idea of ​​the present application. At the same time, for technical personnel in this field, according to the idea of ​​the present application, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A display panel, characterized in that: include: substrate; Conductive traces, used to carry current; An identification mark, used to provide identification information of the display panel; Among them, the conductive trace and the identification mark are both arranged on the substrate; the dynamic distance from the conductive trace to the edge of the substrate is L3μm; the dynamic distance from the identification mark to the edge of the substrate is L4μm; the ratio of L3 to L4 ranges from 0.20 to 12.

76.

2. The display panel according to claim 1, characterized in that: in, The identification mark is disposed between the edge of the substrate and the conductive trace.

3. The display panel according to claim 1, characterized in that: in, The identification mark is formed by a polysilicon layer of the display panel.

4. The display panel according to claim 1, characterized in that: in, The identification mark has a rectangular outline.

5. The display panel according to claim 1, characterized in that: in, The dynamic distance from the identification mark to the edge of the substrate ranges from 193 to 1996 μm.

6. The display panel according to any one of claims 1 to 5, characterized in that: in, The dynamic distance from the conductive trace to the edge of the substrate ranges from 285 to 3520 μm.

7. The display panel according to claim 6, characterized in that: in, The dynamic distance from the conductive trace to the identification mark is L5 μm; the ratio of L3 to L5 ranges from 0.24 to 11.00; and the ratio of L4 to L5 ranges from 0.16 to 6.

20.

8. The display panel according to claims 1 to 5, It is characterized in that Wherein, the conductive trace comprises: A parallel section extending in a direction parallel to an edge of the identification mark; an inclined section extending in a direction obliquely intersecting with an edge of the identification mark; Among them, the distance from the parallel section to the identification mark is L6; the ratio of L6 to L3 ranges from 0.11 to 1.37; the dynamic distance from the inclined section to the identification mark is L7; the ratio of L7 to L3 ranges from 0.08 to 2.

45.

9. The display panel according to any one of claims 1 to 5, characterized in that: The identification mark is made of organic polymer material; and / or The identification mark is made of insulating material.

10. A wearable display device, characterized in that: The display panel comprises any one of claims 1 to 10.

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