Display panel with novel alignment mark structure

Abstract

The utility model discloses a display panel with a novel alignment mark structure, and the display panel comprises a glass substrate, a first substrate, a second substrate, a third substrate, a fourth substrate and a fourth substrate, at least one row of first alignment mark structures are arranged on the glass substrate in the first direction, each row of alignment mark structures comprises at least one group of first alignment mark structures distributed in the second direction, and the first direction is perpendicular to the second direction; each group of first alignment mark structures comprises a plurality of first alignment marks distributed along a second direction, the shape of the vertical projection of each first alignment mark is a closed shape, and the shapes of the vertical projections of the first alignment marks in different groups of first alignment mark structures are the same or different; and each group of first alignment mark structures is used for performing alignment matching with one group of second alignment mark structures on the flexible circuit board. According to the utility model, the flexible circuit board can be fixed at different positions of the glass substrate by adopting different groups of first alignment mark structures, so that the COF connecting wire can move in multiple sections.

Description

TECHNICAL FIELD

[0001] The utility model belongs to display device technical field, concretely relates to a display panel with novel alignment mark structure. BACKGROUND

[0002] COF (Chip on film or flex) is mainly applied to display field, and the film on the COF can be bonded IC, and can be welded with other parts such as resistance, capacitance and the like on the circuit board according to the requirement, and the IC related circuit can be more reduced in the space occupied, and except that the part area can not be folded, other parts can be folded. The existing COF connecting wire material only supports single alignment mark point, and the COF connecting wire material position is fixed, and multiple sets of whole machine molds cannot be compatible. SUMMARY

[0003] In order to solve the above problems existing in the prior art, the utility model provides a display panel with novel alignment mark structure.

[0004] The technical problem to be solved by the utility model is realized through the following technical scheme:

[0005] The utility model provides a display panel with novel alignment mark structure, include: glass substrate, at least one row of first alignment mark structure is established on the glass substrate along the first direction, and each row of alignment mark structure includes at least a group of first alignment mark structure along the second direction, wherein, the first direction is perpendicular to the second direction;

[0006] Each group of first alignment mark structure includes a plurality of first alignment marks along the second direction, and the vertical projection shape of each first alignment mark is a closed shape, and the vertical projection shape of the first alignment mark in different groups of first alignment mark structure is same or different;

[0007] Among them, each group of first alignment mark structure is used for carrying out alignment matching with a group of second alignment mark structure on the flexible circuit board, to fix the flexible circuit board at different positions of the glass substrate, and the vertical projection shape of the first alignment mark in the group of first alignment mark structure that carries out alignment matching is same or different with the vertical projection shape of the second alignment mark in the group of second alignment mark structure that carries out alignment matching.

[0008] In some embodiments, in the multiple groups of first alignment mark structure, at least one first alignment mark is shared between every two adjacent groups of first alignment mark structure.

[0009] In some embodiments, in the multiple groups of first alignment mark structure, the first alignment marks included in different groups of first alignment mark structure are different.

[0010] In some embodiments, when each row of alignment mark structures comprises a set of first alignment mark structures distributed along the second direction, the set of first alignment mark structures comprises at least three first alignment marks; when each row of alignment mark structures comprises a plurality of sets of first alignment mark structures distributed along the second direction, each set of first alignment mark structures comprises at least two first alignment marks.

[0011] In some embodiments, the distance between each two adjacent first alignment marks in each set of first alignment mark structures is D, wherein D represents a preset distance.

[0012] In some embodiments, in each set of first alignment mark structures, the distance between at least one pair of adjacent first alignment marks is different from the distance between the rest pairs of adjacent first alignment marks in the set of first alignment mark structures.

[0013] In some embodiments, the distance between any two adjacent first alignment marks in each row of alignment mark structures is equal.

[0014] In some embodiments, the vertical projection of each first alignment mark belonging to the same set of first alignment mark structures has the same shape.

[0015] In some embodiments, the vertical projection of each first alignment mark belonging to the same set of first alignment mark structures has at least two different shapes.

[0016] In some embodiments, the display panel with the novel alignment mark structure described above further comprises: the flexible circuit board, wherein the flexible circuit board is provided with at least one set of second alignment mark structures.

[0017] Compared with the prior art, the display panel with the novel alignment mark structure has the following beneficial effects:

[0018] The display panel with the novel alignment mark structure has the following beneficial effects: The display panel with the novel alignment mark structure has the following beneficial effects:

[0019] The display panel with the novel alignment mark structure has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1Ais a structural schematic view of a display panel with a novel alignment mark structure provided by the embodiment of the present utility model;

[0021] Figure 1B is a structural schematic view of a display panel with a novel alignment mark structure provided by the embodiment of the present utility model; Figure 1A is an enlarged schematic view of the alignment mark structure on the glass substrate and the flexible circuit board;

[0022] Figure 2 is a structural schematic view of a first alignment mark structure on a glass substrate provided by the embodiment of the present utility model;

[0023] Figure 3 is another structural schematic view of a first alignment mark structure on a glass substrate provided by the embodiment of the present utility model;

[0024] Figure 4 is still another structural schematic view of a first alignment mark structure on a glass substrate provided by the embodiment of the present utility model. DETAILED DESCRIPTION

[0025] The present utility model will be described in further detail below in combination with specific embodiments, but the embodiments of the present utility model are not limited thereto.

[0026] The embodiment of the present utility model provides a display panel with a novel alignment mark structure, which comprises: a glass substrate; at least one row of first alignment mark structures is arranged on the glass substrate along a first direction, each row of alignment mark structures comprises a plurality of groups of first alignment mark structures distributed along a second direction, wherein the first direction is perpendicular to the second direction; each group of first alignment mark structures comprises a plurality of first alignment marks distributed along the second direction, and the vertical projection of each first alignment mark is in a closed shape, and the vertical projection of the first alignment marks in different groups of first alignment mark structures is in the same or different shape; wherein each group of first alignment mark structures is used for alignment matching with a group of second alignment mark structures on a flexible circuit board to fix the flexible circuit board at different positions of the glass substrate, and the vertical projection of the first alignment marks in the group of first alignment mark structures for alignment matching is in the same or different shape with the vertical projection of the second alignment marks in the group of second alignment mark structures for alignment matching.

[0027] It should be noted that the flexible circuit board can be a flexible circuit board contained in the display panel, or a flexible circuit board contained in other panels, and the present utility model does not limit this.

[0028] The utility model discloses a structure schematic diagram of display panel with novel alignment mark structure is provided.

[0029] In some embodiments, the first alignment marks included in different groups of first alignment mark structures are different. Exemplary, Figure 1A A structure schematic diagram of display panel with novel alignment mark structure is provided. Figure 1B A structure schematic diagram of display panel with novel alignment mark structure is provided. Figure 1A The utility model discloses a structure schematic diagram of display panel with novel alignment mark structure is provided. Figure 1A The utility model discloses a structure schematic diagram of display panel with novel alignment mark structure is provided. Figure 1B As shown in the drawings, the display panel includes: a glass substrate 101, a flexible circuit board 102, a COF 103 and a PCB board 104; wherein the glass substrate 101 is provided with a row of first alignment mark structures along a first direction A, and the row of first alignment mark structures includes three groups of first alignment mark structures distributed along a second direction B; the first group of first alignment mark structures has five first alignment mark structures distributed along the second direction B, and the vertical projection of each first alignment mark structure is a square; the second group of first alignment mark structures has five first alignment mark structures distributed along the second direction B, and the vertical projection of each first alignment mark structure is two vertically placed rectangles; the third group of first alignment mark structures has four first alignment mark structures distributed along the second direction B, and the vertical projection of each first alignment mark structure is a cross. The flexible circuit board 102 is provided with a group of second alignment mark structures, and the group of second alignment mark structures on the flexible circuit board 102 has two second alignment mark structures, and the vertical projection of each second alignment mark structure is a cross. As shown in the drawings, when aligning the glass substrate 101 and the flexible circuit board 102, the group of second alignment mark structures on the flexible circuit board 102 can be matched with the corresponding two first alignment mark structures in any one of the three groups of first alignment mark structures on the glass substrate 101, so that the flexible circuit board 102 can be fixed at different positions of the glass substrate 101 to conduct signals between the PCB boards 104 through the flexible circuit board 102. Figure 1B

[0030] In some embodiments, the distance between every two adjacent first alignment marks in each group of first alignment mark structures is D, wherein D represents a preset distance. It should be noted that the value of D can be set according to actual needs. Exemplary,​Figure 2 A structural diagram of the first alignment mark structure on the glass substrate 101 is provided in the utility model. As shown in the figure, a row of first alignment mark structures is arranged along the first direction A on the glass substrate 101, and the row of first alignment mark structures comprises three groups of first alignment mark structures distributed along the second direction B. Each group of first alignment mark structures has two first alignment marks with cross-shaped vertical projections distributed along the second direction B, and the distance between the two first alignment marks in each group of first alignment mark structures is D. Figure 2 Figure 2 When the flexible circuit board 102 is provided with a group of second alignment mark structures composed of two first alignment mark structures with cross-shaped vertical projections, the group of second alignment mark structures on the flexible circuit board 102 can be matched with any one of the three groups of first alignment mark structures on the glass substrate 101 to fix the flexible circuit board 102 on the glass substrate 101.

[0031] In some embodiments, the distance between any two adjacent first alignment marks in each row of alignment mark structures is equal. For example, as shown in the figure, the distance between any two adjacent first alignment marks in each row of alignment mark structures is equal. Figure 3 Another structural diagram of the first alignment mark structure on the glass substrate is provided in the utility model. As shown in the figure, Figure 3 The two rows of first alignment mark structures on the glass substrate 101 are identical, and the distance between any two adjacent first alignment marks in each row of first alignment mark structures is equal and is X along the second direction B, where X is the distance value. It should be noted that the value of X can be set according to actual needs.

[0032] In some embodiments, the distance between at least one pair of adjacent first alignment marks in each group of first alignment mark structures is different from the distance between the remaining pairs of adjacent first alignment marks in the group of first alignment mark structures. For example, as shown in the figure, Figure 4 Another structural diagram of the first alignment mark structure on the glass substrate is provided in the utility model. As shown in the figure, Figure 4 The two rows of first alignment mark structures on the glass substrate 101 are identical, and the distance between any two adjacent first alignment marks in each row of first alignment mark structures is equal and is X along the second direction B, where X is the distance value. It should be noted that the value of X can be set according to actual needs.

[0033] In some embodiments, at least one first alignment mark is shared between every two adjacent groups of first alignment mark structures. For example, continuing to refer to the above Figure 3 ​, each row of the first alignment mark structure comprises 7 groups of the first alignment mark structure along the second direction B, and each group of the first alignment mark structure has 5 first alignment marks, wherein, along the second direction B, the vertical projection of the first alignment mark in the 1st group of the first alignment mark structure is in turn: a rectangle, a cross, a rectangle, a cross, a rectangle; the vertical projection of the first alignment mark in the 2nd group of the first alignment mark structure is in turn: a cross, a rectangle, a cross, a rectangle, a cross; the vertical projection of the first alignment mark in the 3rd group of the first alignment mark structure is in turn: a rectangle, a cross, a rectangle, a cross, a rectangle; the vertical projection of the first alignment mark in the 4th group of the first alignment mark structure is in turn: a cross, a rectangle, a cross, a rectangle, a cross; the vertical projection of the first alignment mark in the 5th group of the first alignment mark structure is in turn: a rectangle, a cross, a rectangle, a cross, a rectangle; the vertical projection of the first alignment mark in the 6th group of the first alignment mark structure is in turn: a cross, a rectangle, a cross, a rectangle, a cross; the vertical projection of the first alignment mark in the 7th group of the first alignment mark structure is in turn: a rectangle, a cross, a rectangle, a cross, a rectangle. Yet another example, with reference to the above Figure 4 , each row of the first alignment mark structure comprises 3 groups of the first alignment mark structure along the second direction B, and each group of the first alignment mark structure has 5 first alignment marks, wherein, along the second direction B, the vertical projection of the first alignment mark in each group of the first alignment mark structure is in turn: a cross, a rectangle, a cross, a rectangle, a cross. In each row of the first alignment mark structure, along the second direction B, Figure 4 , the 5th first alignment mark in the 1st group of the first alignment mark structure and the 2nd group of the first alignment mark structure are shared, Figure 4 , the 9th first alignment mark in the 2nd group of the first alignment mark structure and the 3rd group of the first alignment mark structure are shared.

[0034] In some embodiments, the shape of the vertical projection of the first alignment mark belonging to the same group of the first alignment mark structure is the same. It should be noted that the specific shape is not limited by the present application. Exemplary, with reference to the above Figure 1B , the shape of the vertical projection of the first alignment mark in different groups of the first alignment mark structure is different, and the shape of the vertical projection of the first alignment mark belonging to the same group of the first alignment mark structure is either two vertically placed rectangles, or a square, or a cross. Yet another example, with reference to the above Figure 2 , the shape of the vertical projection of the first alignment mark in different groups of the first alignment mark structure is the same, and the shape of the vertical projection of the first alignment mark belonging to the same group of the first alignment mark structure is a cross.

[0035] In some embodiments, the shape of the vertical projection of the first alignment mark belonging to the same set of first alignment mark structures comprises at least two different shapes. For example, with continued reference to the above Figure 3 or Figure 4 the shape of the vertical projection of the first alignment mark belonging to the same set of first alignment mark structures comprises a square and a cross.

[0036] In some embodiments, the display panel described above further comprises: a flexible circuit board, wherein the flexible circuit board is provided with at least one set of second alignment mark structures.

[0037] In some embodiments, the set of second alignment mark structures on the flexible circuit board can have at least two second alignment marks, and the center of each first alignment mark matches the center of each second alignment mark. For example, with continued reference to the flexible circuit board 102 in the above Figure 1A and Figure 1B , in the case that each set of first alignment mark structures on the glass substrate 101 has 4 or 5 first alignment marks, the set of second alignment mark structures on the flexible circuit board 102 has two second alignment marks, and the center of each first alignment mark matches the center of each second alignment mark, so as to be aligned and matched with two corresponding first alignment marks in each set of first alignment mark structures on the glass substrate 101, thereby fixing the flexible circuit board 102.

[0038] In some embodiments, the set of second alignment mark structures on the flexible circuit board has the same size and specification as each set of first alignment mark structures on the glass substrate. For example, with continued reference to the flexible circuit board 102 in the above Figure 2 , in the case that each set of first alignment mark structures on the glass substrate 101 has 2 first alignment marks, and the distance between the two first alignment marks is D, the set of second alignment mark structures on the flexible circuit board 102 also has two second alignment marks, and the distance between the two second alignment marks is also D. For another example, with continued reference to the above Figure 3 , when the set of second alignment mark structures on the flexible circuit board 102 is provided with 5 second alignment marks which are sequentially a cross, a rectangle, a cross, a rectangle and a cross in the vertical projection along the second direction B, the size and specification of the set of second alignment mark structures on the flexible circuit board 102 are the same as each set of first alignment mark structures on the glass substrate 101, so that the set of second alignment mark structures on the flexible circuit board 102 can be aligned and matched with any one of the 14 sets of first alignment mark structures on the glass substrate 101, so as to fix the flexible circuit board 102 at different positions on the glass substrate 101. For another example, with continued reference to the above Figure 4When the flexible circuit board 102 is provided with a group of second alignment mark structures composed of five second alignment marks sequentially in the cross shape, the rectangular shape, the cross shape, the rectangular shape and the cross shape in the second direction B, the size and the specification of the group of second alignment mark structures on the flexible circuit board 102 are same as those of each group of first alignment mark structures on the glass substrate 101, so that the group of second alignment mark structures on the flexible circuit board 102 can be aligned and matched with any one of the six groups of first alignment mark structures on the glass substrate 101, so as to fix the flexible circuit board 102 at different positions on the glass substrate 101.

[0039] It should be noted that the terms "first", "second" are only used for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more features. In the description of the present application, the meaning of "a plurality of" is two or more than two, unless otherwise specifically limited.

[0040] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the present application.

[0041] In the description, the word "comprising" does not exclude other components or steps, and "one" or "a" does not exclude a plurality. Some measures are described in mutually different embodiments, but this does not mean that these measures cannot be combined to produce good results.

[0042] The above is a further detailed description of the present application in combination with specific preferred embodiments, and the specific implementation of the present application cannot be limited to these descriptions. For ordinary skilled persons in the technical field to which the present application belongs, without departing from the concept of the present application, a number of simple deductions or substitutions can be made, which should be regarded as falling within the protection scope of the present application.

Claims

1. A display panel with a novel alignment mark structure, characterized in that, Comprising: a glass substrate; at least one row of first alignment mark structures is arranged on the glass substrate along a first direction, each row of alignment mark structures comprises at least one group of first alignment mark structures arranged along a second direction, wherein the first direction is perpendicular to the second direction; each group of first alignment mark structures comprises a plurality of first alignment marks arranged along the second direction, and the vertical projection of each first alignment mark is a closed shape, and the vertical projection of the first alignment marks in different groups of first alignment mark structures is the same or different; wherein each group of first alignment mark structures is used for alignment matching with a group of second alignment mark structures on a flexible circuit board to fix the flexible circuit board at different positions of the glass substrate, and the vertical projection of the first alignment marks in the group of first alignment mark structures for alignment matching is the same or different from the vertical projection of the second alignment marks in the group of second alignment mark structures for alignment matching. 2.The display panel with novel alignment mark structure of claim 1, wherein, In the plurality of groups of first alignment mark structures, at least one first alignment mark is shared between every two adjacent groups of first alignment mark structures. 3.The display panel with novel alignment mark structure of claim 1, wherein, In the plurality of groups of first alignment mark structures, the first alignment marks included in different groups of first alignment mark structures are different. 4.The display panel with novel alignment mark structure of claim 1, wherein, When each row of alignment mark structures comprises a group of first alignment mark structures arranged along the second direction, the group of first alignment mark structures comprises at least three first alignment marks; when each row of alignment mark structures comprises a plurality of groups of first alignment mark structures arranged along the second direction, each group of first alignment mark structures comprises at least two first alignment marks. 5.The display panel with novel alignment mark structure of claim 4, characterized in that, The distance between every two adjacent first alignment marks in each group of first alignment mark structures is D, wherein D represents a preset distance. 6.The display panel with novel alignment mark structure of claim 4, wherein, In each group of first alignment mark structures, the distance between at least one pair of adjacent first alignment marks is different from the distance between the remaining pairs of adjacent first alignment marks in the group of first alignment mark structures. 7.The display panel with novel alignment mark structure of claim 1, wherein, The distance between any two adjacent first alignment marks in each row of alignment mark structures is equal. 8.The display panel with novel alignment mark structure of claim 1, wherein, The vertical projection of the first alignment marks belonging to the same group of first alignment mark structures is of the same shape. 9.The display panel with novel alignment mark structure of claim 1, wherein, The vertical projection of the first alignment marks belonging to the same group of first alignment mark structures comprises at least two different shapes. 10.The display panel with novel alignment mark structure of claim 1, wherein, Further comprising: the flexible circuit board, wherein the flexible circuit board is provided with at least one group of second alignment mark structures.

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