A liquid crystal display panel with improved glass substrate structure
Patent Information
- Application Number
- CN202522308659.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-31
- Publication Date
- 2026-10-09
- Estimated Expiration
- 2035-10-31
AI Technical Summary
[0003]本实用新型所要解决的是现有液晶显示屏上下玻璃基板配合结构设计不合理而引发产品缺陷的问题，提供一种玻璃基板结构改善的液晶显示屏
[0011]1、通过增大上玻璃基板尺寸并使其与下玻璃基板的走线布设区域重叠，并利用电控框胶将上玻璃基板增加的走线保护区域与下玻璃基板的走线布设区域形成封闭空间，从而减少台阶走线外露面积，有效解决因走线外露导致的污染和腐蚀问题；
Smart Images
Figure CN224840748U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of liquid crystal display technology, and specifically to a liquid crystal display with an improved glass substrate structure. Background Technology
[0002] A liquid crystal display (LCD) is a device that uses the physical properties of liquid crystals to display images. See also... Figure 1 Current liquid crystal displays (LCDs) mainly consist of a lower glass substrate, an upper glass substrate, a frame adhesive, and liquid crystal. The lower glass substrate includes an upper display area and a lower electrical control layout area; the lower glass substrate only contains the display area. The display areas of the lower and upper glass substrates are bonded together using liquid crystal frame adhesive to form a hollow, sealed liquid crystal cell for liquid crystal filling. Both the lower and upper glass substrates are rectangular glass sheets, with the same length but a wider width. In this case, the display areas of the upper and lower glass substrates have the same shape and dimensions, and the electrical control layout area at the bottom of the lower glass substrate is directly exposed. This allows for the bonding of necessary electrical control components such as ICs or FPCs to the electrical control layout area of the lower glass substrate during later stages of LCD production. Because of this upper and lower glass substrate structure, the electrical control layout area of the lower glass substrate is exposed during the entire LCD manufacturing process. Furthermore, there is a step gap between the intersection of the display area and the electrical control layout area of the lower glass substrate and the lower edge of the upper glass substrate. Therefore, during the LCD manufacturing process, chemicals and foreign matter will inevitably adhere to the electrical control layout area and the step gap of the lower glass substrate, causing contamination and corrosion, which in turn leads to defects in the LCD product. Utility Model Content
[0003] The present invention aims to solve the problem of product defects caused by the unreasonable design of the upper and lower glass substrates of existing liquid crystal displays, and provides a liquid crystal display with an improved glass substrate structure.
[0004] To solve the above problems, this utility model is achieved through the following technical solution:
[0005] A liquid crystal display screen with an improved glass substrate structure comprises a lower glass substrate, an upper glass substrate, a liquid crystal frame adhesive, an electrical control frame adhesive, and liquid crystal. The lower glass substrate includes an upper display area and a lower electrical control layout area, wherein the electrical control layout area is further divided into a wiring layout area and a bonding electrical test layout area. The upper glass substrate includes an upper display area and a lower electrical control protection area, wherein the electrical control protection area is further divided into a wiring protection area and a bonding electrical test cutout area. The display areas of the upper glass substrate and the display areas of the lower glass substrate have the same shape and size and are positioned opposite each other. The liquid crystal frame adhesive is applied to the edge of the display area of the upper glass substrate, wherein a liquid crystal filling port is left on the liquid crystal frame adhesive. The wiring protection area of the upper glass substrate and the wiring layout area of the lower glass substrate... The upper glass substrate and the lower glass substrate have the same shape and size and are positioned opposite each other. The bonding electrical test cutout area of the upper glass substrate and the bonding electrical test layout area of the lower glass substrate have the same shape and size and are positioned opposite each other. The electrical control frame adhesive is applied to the edge of the trace protection area of the upper glass substrate, wherein at least one vent is left on the electrical control frame adhesive. When the upper glass substrate is bonded to the lower glass substrate by the liquid crystal frame adhesive and the electrical control frame adhesive, the display area of the upper glass substrate covers the display area of the lower glass substrate and forms a hollow liquid crystal cell for liquid crystal injection. Liquid crystal is injected into the liquid crystal cell. The trace protection area of the upper glass substrate covers the trace layout area of the lower glass substrate and forms a hollow trace protection cell. The bonding electrical test cutout area of the upper glass substrate is cut out, leaving the bonding electrical test layout area of the lower glass substrate exposed.
[0006] In the above scheme, the electrical control layout area of the lower glass substrate is elongated, the bonding electrical test layout area is located in the middle of the electrical control layout area, and the wiring layout area is located on the left and right sides of the electrical control layout area; the electrical control protection area of the upper glass substrate is inverted B-shaped, the bonding electrical test cutout area is located in the middle of the electrical control protection area, and the wiring protection area is located on the left and right sides of the electrical control protection area.
[0007] In the above scheme, there are two vents on the electrical control frame adhesive, which are located on the left and right opposite sides of the electrical control frame adhesive.
[0008] In the above scheme, the thickness of the liquid crystal frame adhesive and the electronic control frame adhesive is the same.
[0009] In the above scheme, the liquid crystal injection port on the liquid crystal frame adhesive is sealed after the liquid crystal injection is completed, and the electronic control frame adhesive is sealed after the liquid crystal screen is cut.
[0010] Compared with the prior art, this utility model has the following characteristics:
[0011] 1. By increasing the size of the upper glass substrate and making it overlap with the wiring area of the lower glass substrate, and using electrical control frame adhesive to form a closed space between the increased wiring protection area of the upper glass substrate and the wiring area of the lower glass substrate, the exposed area of the stepped wiring is reduced, effectively solving the pollution and corrosion problems caused by exposed wiring.
[0012] 2. By adding an exhaust port design to the electrical control frame, the problem of frame glue expansion and cracking caused by poor exhaust in the enclosed space formed by the wiring protection area and wiring layout area during the production of LCD screens can be effectively avoided. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the structure of an existing liquid crystal display screen.
[0014] Figure 2 A schematic diagram of the structure of a liquid crystal display screen with improved stepped structure.
[0015] The numbers in the diagram are: 1. Lower glass substrate, 2. Upper glass substrate, 3. Display area, 4. Trace routing area, 5. Trace protection area, 6. Bonding electrical test routing area, 7. Bonding electrical test cutout area, 8. LCD frame adhesive, 9. Electrical control frame adhesive. Detailed Implementation
[0016] To make the objectives, technical solutions, and advantages of this utility model clearer, the following detailed description is provided in conjunction with specific examples and the accompanying drawings. It should be noted that directional terms mentioned in the examples, such as "up," "down," "middle," "left," "right," "front," and "back," are only for reference to the directions in the accompanying drawings. Therefore, the directions used are for illustrative purposes only and are not intended to limit the scope of protection of this utility model.
[0017] See Figure 2 A liquid crystal display screen with improved glass substrate structure is composed of a lower glass substrate 1, an upper glass substrate 2, a liquid crystal frame adhesive 8, an electronic control frame adhesive 9, and liquid crystal.
[0018] The lower glass substrate 1 and the upper glass substrate 2 use the same glass substrate material as existing liquid crystal displays. The structure of the lower glass substrate 1 is the same as that of the lower glass substrate 1 of existing liquid crystal displays, that is, the lower glass substrate 1 includes an upper display area 3 and a lower electrical control layout area, wherein the electrical control layout area is further divided into a wiring layout area 4 and a bonding electrical test layout area 6. The structure of the upper glass substrate 2 is slightly different from that of the upper glass substrate 2 of existing liquid crystal displays. It is a glass substrate with an added electrical control protection area on the basis of the existing upper glass substrate 2, that is, the upper glass substrate 2 includes an upper display area 3 and a lower electrical control protection area, wherein the electrical control protection area is further divided into a wiring protection area 5 and a bonding electrical test cutout area 7.
[0019] The display area 3 of the upper glass substrate 2 and the display area 3 of the lower glass substrate 1 have the same shape and size, and are positioned opposite each other. The trace protection area 5 of the upper glass substrate 2 and the trace layout area 4 of the lower glass substrate 1 have the same shape and size, and are positioned opposite each other. The bonding electrical test cutout area 7 of the upper glass substrate 2 and the bonding electrical test layout area 6 of the lower glass substrate 1 have the same shape and size, and are positioned opposite each other. The shapes of the display areas 3 of the upper glass substrate 2 and the lower glass substrate 1 are designed to match the display shape of the liquid crystal display screen, and can be rectangular, square, circular, or irregular. The shapes of the electrical control protection area of the upper glass substrate 2 and the electrical control layout area of the lower glass substrate 1 are determined by the specific distribution shape of the ITO trace layout and IC / FPC bonding connection, and can be strip-shaped or irregularly shaped. In this embodiment, the display areas 3 of the upper glass substrate 2 and the lower glass substrate 1 are rectangular. The electrical control layout area of the lower glass substrate 1 is elongated, with the bonding electrical test layout area 6 located in the middle of the electrical control layout area, and the wiring layout area 4 located on the left and right sides of the electrical control layout area. The electrical control protection area of the upper glass substrate 2 is inverted B-shaped, with the bonding electrical test cutout area 7 located in the middle of the electrical control protection area, and the wiring protection area 5 located on the left and right sides of the electrical control protection area.
[0020] The liquid crystal frame adhesive 8 has the same shape as the display area 3 of the upper glass substrate 2, and is applied to the edge of the display area 3 of the upper glass substrate 2. In this embodiment, the display area 3 of the upper glass substrate 2 is rectangular, and the liquid crystal frame adhesive 8 is U-shaped. To facilitate liquid crystal injection, a liquid crystal injection port is provided on the liquid crystal frame adhesive 8, which is located on the left, right, or top side of the liquid crystal frame adhesive 8. In this embodiment, the liquid crystal injection port is located on the top side of the liquid crystal frame adhesive 8. The liquid crystal injection port on the liquid crystal frame adhesive 8 is closed after liquid crystal injection is completed.
[0021] The shape of the electrical control frame adhesive 9 is the same as that of the trace protection area 5 of the upper glass substrate 2, and it is applied to the edge of the trace protection area 5 of the upper glass substrate 2. In this embodiment, the shape of the trace protection area 5 of the upper glass substrate 2 is an inverted B-shape, and the shape of the electrical control frame adhesive 9 is also an inverted B-shape. To prevent the electrical control protection area of the upper glass substrate 2 from expanding and cracking during the production of the liquid crystal display, at least one vent is provided on the electrical control frame adhesive 9. The vent can be located on the outer left side, inner left side, outer right side, outer right side, or lower side of the electrical control frame adhesive 9. In this embodiment, the electrical control frame adhesive 9 has two vents, which are located on the left and right sides of the electrical control frame adhesive 9 respectively, that is, on the outer left side and outer right side of the electrical control frame adhesive 9. The electrical control frame adhesive 9 is sealed after the liquid crystal is cut.
[0022] The function of the liquid crystal frame adhesive 8 and the electrical control frame adhesive 9 is to achieve the bonding of the upper glass substrate 2 and the lower glass substrate 1. Their materials are the same as those used in existing liquid crystal displays. To ensure stable bonding of the glass substrates, the liquid crystal frame adhesive 8 and the electrical control frame adhesive 9 have the same thickness. When the upper glass substrate 2 is bonded to the lower glass substrate 1 via the liquid crystal frame adhesive 8 and the electrical control frame adhesive 9, the display area 3 of the upper glass substrate 2 covers the display area 3 of the lower glass substrate 1, forming a hollow liquid crystal cell for liquid crystal injection. The liquid crystal is then injected into the liquid crystal cell. The trace protection area 5 of the upper glass substrate 2 covers the trace routing area 4 of the lower glass substrate 1, forming a hollow trace protection box. Thus, the trace protection area 5 of the upper glass substrate 2 effectively protects the trace routing area 4 of the lower glass substrate 1, preventing contamination and corrosion caused by exposed traces. The bonding electrical test cutout area 7 of the upper glass substrate 2 is cut out, exposing the bonding electrical test routing area 6 of the lower glass substrate 1. The hollowed-out area 7 of the upper glass substrate 2 can provide operational space and convenience for the subsequent bonding of ICs or connection of FPCs.
[0023] It should be noted that although the embodiments described above are illustrative, they are not intended to limit the present invention. Therefore, the present invention is not limited to the specific embodiments described above. Any other embodiments obtained by those skilled in the art under the guidance of the present invention without departing from its principles are considered to be within the protection scope of the present invention.
Claims
1. A liquid crystal display screen with an improved glass substrate structure, characterized in that, It is composed of a lower glass substrate (1), an upper glass substrate (2), a liquid crystal frame adhesive (8), an electronic control frame adhesive (9), and liquid crystal; The lower glass substrate (1) includes an upper display area (3) and a lower electrical control layout area, wherein the electrical control layout area is further divided into a wiring layout area (4) and a bonding electrical test layout area (6); the upper glass substrate (2) includes an upper display area (3) and a lower electrical control protection area, wherein the electrical control protection area is further divided into a wiring protection area (5) and a bonding electrical test cutout area (7). The display area (3) of the upper glass substrate (2) has the same shape and size as the display area (3) of the lower glass substrate (1), and their positions are opposite; liquid crystal frame adhesive (8) is applied to the edge of the display area (3) of the upper glass substrate (2), wherein a liquid crystal filling port is left on the liquid crystal frame adhesive (8); The trace protection area (5) of the upper glass substrate (2) and the trace layout area (4) of the lower glass substrate (1) have the same shape and size and are positioned opposite each other; the bonding electrical test cutout area (7) of the upper glass substrate (2) and the bonding electrical test layout area (6) of the lower glass substrate (1) have the same shape and size and are positioned opposite each other; electrical control frame adhesive (9) is applied to the edge of the trace protection area (5) of the upper glass substrate (2), wherein at least one vent is left on the electrical control frame adhesive (9); When the upper glass substrate (2) is bonded to the lower glass substrate (1) by the liquid crystal frame adhesive (8) and the electrical control frame adhesive (9), the display area (3) of the upper glass substrate (2) covers the display area (3) of the lower glass substrate (1) and forms a hollow liquid crystal cell for liquid crystal injection; liquid crystal is injected into the liquid crystal cell; the trace protection area (5) of the upper glass substrate (2) covers the trace layout area (4) of the lower glass substrate (1) and forms a hollow trace protection box; the bonding electrical test cutout area (7) of the upper glass substrate (2) is cut out, and the bonding electrical test layout area (6) of the lower glass substrate (1) is exposed.
2. The liquid crystal display screen with improved glass substrate structure according to claim 1, characterized in that, The electrical control layout area of the lower glass substrate (1) is long and narrow, and its electrical test layout area (6) is located in the middle of the electrical control layout area. Its wiring layout area (4) is located on the left and right sides of the electrical control layout area. The electrical control protection area of the upper glass substrate (2) is inverted B-shaped, and its electrical test cutout area (7) is located in the middle of the electrical control protection area. Its wiring protection area (5) is located on the left and right sides of the electrical control protection area.
3. A liquid crystal display screen with improved glass substrate structure according to claim 2, characterized in that, electronic control... There are two vents on the frame adhesive (9), which are located on the left and right sides of the electronic control frame adhesive (9).
4. A liquid crystal display screen with improved glass substrate structure according to claim 1, characterized in that, The thickness of the liquid crystal frame adhesive (8) and the electronic control frame adhesive (9) is the same.
5. A liquid crystal display screen with improved glass substrate structure according to claim 1, characterized in that, The liquid crystal injection port on the liquid crystal frame adhesive (8) is sealed after liquid crystal injection is completed, and the electrical control frame adhesive (9) is sealed after the liquid crystal screen is cut.