Liquid crystal display panel and electronic device
By designing spacer columns in the liquid crystal display panel, the first ITO layer and the second ITO layer are directly connected, which solves the problem of high cost of the gold ball, and achieves cost reduction and performance improvement.
Patent Information
- Application Number
- CN202421506597.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-06-27
AI Technical Summary
In the existing liquid crystal display panel, the common electrode is directed to the CF substrate through a gold ball, which is relatively expensive, and how to reduce the cost has become a technical problem.
By designing the spacer column, the first ITO layer is directly connected to the second ITO layer, replacing the golden ball and achieving conductance.
Through the design of the spacer column, the cost is reduced and the performance of the LCD panel is improved.
Smart Images

Figure CN222704852U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of display panels, in particular to a liquid crystal display panel and an electronic device. Background Art
[0002] TN (Twisted Nematic) panels require Au balls to conduct the common electrode to the common electrode on the CF substrate. The current product design is to transmit the voltage to the common electrode on the CF substrate through the Au balls, that is, the Au balls are used as conductive particles between the TFT substrate and the CF substrate. The inner core of the Au ball is made of a shrinkable resin material, and the outer layer is made of conductive metal Ni or Au. The cost is not low. How to reduce the cost of using Au balls has become a technical problem that needs to be solved urgently in the industry. Summary of the invention
[0003] In order to at least solve the above technical problems, the purpose of the utility model is to provide a liquid crystal display panel, which directly connects the first ITO layer to the second ITO layer through the design of spacer columns, replaces the gold balls, and greatly reduces the cost.
[0004] In order to achieve the above-mentioned purpose, the liquid crystal display panel provided in the present application includes:
[0005] CF layer;
[0006] A first ITO layer, the first ITO layer is arranged below the CF layer;
[0007] TFT layer;
[0008] A metal layer, wherein the metal layer is disposed above the TFT layer;
[0009] An insulating layer, arranged on top of the metal layer;
[0010] A second ITO layer is disposed on the insulating layer;
[0011] A spacer column is provided between the upper part of the insulating layer and the lower part of the first ITO layer;
[0012] The second ITO layer is electrically connected to the first ITO layer through the spacer.
[0013] Furthermore, a metal layer placement area is provided on the TFT layer, and the metal layer placement area is used to place the metal layer.
[0014] Furthermore, the metal layer is arranged in the middle area of the TFT layer.
[0015] Furthermore, the insulating layer covers the metal layer.
[0016] Furthermore, the insulating layer is provided with a through hole.
[0017] Furthermore, there are multiple through holes.
[0018] Furthermore, the second ITO layer covers the insulating layer.
[0019] Furthermore, the second ITO layer is connected to the metal layer through a through hole.
[0020] Further, the spacer is arranged in a non-through hole area on the insulating layer;
[0021] There are multiple spacer columns.
[0022] To achieve the above objectives, the present application also provides an electronic device, including the above liquid crystal display panel.
[0023] The liquid crystal display panel of the embodiment of the present application includes: a CF layer; a first ITO layer, which is arranged below the CF layer; a TFT layer; a metal layer, which is arranged above the TFT layer; an insulating layer, which is arranged above the metal layer; a second ITO layer, which is arranged above the insulating layer; a spacer is provided between the upper part of the insulating layer and the lower part of the first ITO layer; and the second ITO layer is connected to the first ITO layer through the spacer. Through the design of the spacer, the first ITO layer is directly connected to the second ITO layer, and the gold ball is replaced, which greatly reduces the cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] The accompanying drawings are used to provide a further understanding of the present application and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the present application and do not constitute a limitation of the present application. In the accompanying drawings:
[0025] Figure 1 It is a schematic diagram of the structure of a liquid crystal display panel according to an embodiment of the present application.
[0026] Description of reference numerals:
[0027] 101 - CF layer; 102 - first ITO layer; 103 - second ITO layer; 104 - spacer column; 105 - insulating layer; 106 - through hole; 107 - metal layer; 108 - TFT layer. DETAILED DESCRIPTION
[0028] The embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present application are shown in the accompanying drawings, it should be understood that the present application can be implemented in various forms and should not be construed as being limited to the embodiments described herein. Instead, these embodiments are provided to provide a more thorough and complete understanding of the present application. It should be understood that the drawings and embodiments of the present application are only for exemplary purposes and are not intended to limit the scope of protection of the present application.
[0029] It should be understood that the various steps described in the method implementation of the present application can be performed in different orders and / or performed in parallel. In addition, the method implementation may include additional steps and / or omit the steps shown. The scope of the present application is not limited in this respect.
[0030] The term "including" and its variations used herein are open inclusions, i.e., "including but not limited to". The term "based on" means "based at least in part on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". The relevant definitions of other terms will be given in the following description.
[0031] It should be noted that the modifications of "one" and "plurality" mentioned in this application are illustrative rather than restrictive, and those skilled in the art should understand that unless otherwise clearly indicated in the context, it should be understood as "one or more". "Plurality" should be understood as two or more.
[0032] The liquid crystal display panel of the embodiment of the present application includes:
[0033] CF layer;
[0034] A first ITO layer, the first ITO layer is arranged below the CF layer;
[0035] TFT layer;
[0036] A metal layer, wherein the metal layer is disposed above the TFT layer;
[0037] An insulating layer, arranged on top of the metal layer;
[0038] A second ITO layer is disposed on the insulating layer;
[0039] A spacer column is provided between the upper part of the insulating layer and the lower part of the first ITO layer;
[0040] The second ITO layer is electrically connected to the first ITO layer through the spacer.
[0041] Example 1
[0042] Figure 1 This is a schematic diagram of the structure of the liquid crystal display panel of the embodiment of the present application. Figure 1 , the liquid crystal display panel of the embodiment of the present application is described in detail.
[0043] The liquid crystal display panel in the embodiment of the present application is a TN panel.
[0044] In some exemplary embodiments, the TN panel is short for a Twisted Nematic panel.
[0045] In some exemplary embodiments, the liquid crystal display panel according to the embodiments of the present application includes: a CF layer 101 .
[0046] In some exemplary embodiments, the CF layer 101 is a CF substrate.
[0047] In some exemplary embodiments, CF is a color filter.
[0048] In some exemplary implementations, the liquid crystal display panel of the embodiment of the present application further includes: a first ITO layer 102 .
[0049] In some exemplary embodiments, ITO (Indium tin oxide).
[0050] In some exemplary embodiments, the first ITO layer 102 is disposed below the CF layer 101 .
[0051] In some exemplary embodiments, the first ITO layer 102 is in contact with the lower surface of the CF layer 101 .
[0052] In some exemplary implementations, the liquid crystal display panel of the embodiment of the present application further includes: a TFT layer 108 .
[0053] In some exemplary embodiments, TFT (Thin Film Transistor, thin film field effect transistor).
[0054] In some exemplary embodiments, the TFT layer 108 is a TFT substrate.
[0055] In some exemplary embodiments, the liquid crystal display panel of the embodiment of the present application further includes: a metal layer 107 .
[0056] In some exemplary embodiments, the metal layer 107 is disposed above the TFT layer 108 .
[0057] In some exemplary embodiments, the metal layer 107 is laminated on top of the TFT layer 108 .
[0058] In some exemplary embodiments, a metal layer 107 placement area is disposed on the TFT layer 108 .
[0059] In some exemplary embodiments, the metal layer 107 placement area is used to place the metal layer 107 .
[0060] In some exemplary embodiments, the metal layer 107 is disposed in a middle region of the TFT layer 108 .
[0061] In some exemplary embodiments, the liquid crystal display panel of the embodiment of the present application further includes: an insulating layer 105 .
[0062] In some exemplary embodiments, the insulating layer 105 is disposed above the metal layer 107 .
[0063] In some exemplary embodiments, the insulating layer 105 is attached to the metal layer 107 .
[0064] In some exemplary embodiments, the insulating layer 105 covers the metal layer 107 .
[0065] In some exemplary embodiments, the surface area of the insulating layer 105 is greater than the surface area of the metal layer 107 .
[0066] In some exemplary embodiments, a portion of the insulating layer 105 that exceeds the metal layer 107 is in contact with the TFT layer 108 .
[0067] In some exemplary embodiments, the insulating layer 105 is provided with a through hole 106 .
[0068] In some exemplary embodiments, there are a plurality of through holes 106 .
[0069] In some exemplary implementations, the liquid crystal display panel of the embodiment of the present application further includes: a second ITO layer 103 .
[0070] In some exemplary embodiments, the second ITO layer 103 is disposed on the insulating layer 105 .
[0071] In some exemplary embodiments, the second ITO layer 103 is attached to the insulating layer 105 .
[0072] In some exemplary embodiments, the second ITO layer 103 covers the insulating layer 105 .
[0073] In some exemplary embodiments, the second ITO layer 103 covers the through hole 106 .
[0074] In some exemplary embodiments, the second ITO layer 103 is connected to the metal layer 107 through the through hole 106 .
[0075] In some exemplary implementations, the liquid crystal display panel of the embodiment of the present application further includes: a spacer column 104 .
[0076] In some exemplary embodiments, the spacer 104 is disposed between the upper portion of the insulating layer 105 and the lower portion of the first ITO layer 102 .
[0077] In some exemplary embodiments, the second ITO layer 103 is electrically connected to the first ITO layer 102 via the spacer 104 .
[0078] In some exemplary embodiments, the second ITO layer 103 wraps around the spacer 104 .
[0079] In some exemplary embodiments, a plurality of spacer pillars 104 are provided.
[0080] In some exemplary embodiments, the plurality of spacers 104 are spaced apart from each other by through holes 106 on the insulating layer 105 .
[0081] In some exemplary embodiments, the spacer 104 is a photo spacer.
[0082] Example 2
[0083] Embodiment 2 is an electronic device, comprising the liquid crystal display panel of the above embodiment.
[0084] Although the implementation methods disclosed in the utility model are as above, the content is only an implementation method adopted to facilitate the understanding of the utility model, and is not used to limit the utility model. Any technician in the field to which the utility model belongs can make any modifications and changes in the form and details of implementation without departing from the spirit and scope disclosed in the utility model, but the scope of patent protection of the utility model shall still be based on the scope defined in the attached claims.
Claims
1. A liquid crystal display panel, characterized in that: include: CF layer; A first ITO layer, wherein the first ITO layer is disposed below the CF layer; TFT layer; A metal layer, the metal layer is arranged above the TFT layer; An insulating layer, arranged above the metal layer; A second ITO layer is disposed above the insulating layer; A spacer column is provided between the upper part of the insulating layer and the lower part of the first ITO layer; The second ITO layer is electrically connected to the first ITO layer through the spacer.
2. The liquid crystal display panel according to claim 1, characterized in that: A metal layer placement area is provided on the TFT layer, and the metal layer placement area is used to place the metal layer.
3. The liquid crystal display panel according to claim 2, characterized in that: The metal layer is disposed in a middle region of the TFT layer.
4. The liquid crystal display panel according to claim 3, characterized in that: The insulating layer covers the metal layer.
5. The liquid crystal display panel according to claim 4, characterized in that: The insulating layer is provided with a through hole.
6. The liquid crystal display panel according to claim 5, characterized in that: There are multiple through holes.
7. The liquid crystal display panel according to claim 6, characterized in that: The second ITO layer covers the insulating layer.
8. The liquid crystal display panel according to claim 7, characterized in that: The second ITO layer is connected to the metal layer through the through hole.
9. The liquid crystal display panel according to claim 8, characterized in that: The spacer is arranged in a non-through hole area on the insulating layer; There are a plurality of spacer columns.
10. An electronic device, characterized in that: A liquid crystal display panel comprising any one of claims 1 to 9.