TFT (Thin Film Transistor)-based full-film ultrathin display assembly

Abstract

The utility model relates to a TFT (thin film transistor)-based full film ultrathin display component, which relates to the technical field of display components, and comprises a bottom plate, a TFT substrate and a TP (touch panel) substrate, the bottom plate is provided with an assembly frame, the TFT substrate and the TP substrate are arranged in the assembly frame, fixing glue is arranged between the bottom plate and the TFT substrate and between the TFT substrate and the TP substrate, and the TP substrate is arranged in the assembly frame. A first assembling groove is formed in the inner wall of the assembling frame, a first circuit board is arranged in the first assembling groove, a light source part electrically connected with the first circuit board is arranged on the bottom plate and used for providing a light source, the TFT substrate is provided with a second circuit board, the assembling frame is provided with a second assembling groove, and the second circuit board is electrically connected with the second assembling groove. The second circuit board is inserted into the second assembling groove, the TP substrate is provided with a third circuit board, the assembling frame is provided with a third assembling groove, and the third circuit board is inserted into the third assembling groove. The display module has the effects of reducing the thickness of the display module and being convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of display components, in particular to a full-film ultra-thin display component based on TFT. Background Art

[0002] Thin-film transistor, abbreviated as TFT, TFT display components are the most common mainstream display devices today. Each liquid crystal pixel on this type of display component is driven by a thin-film transistor integrated behind the pixel. Therefore, TFT display components are also a type of active matrix liquid crystal display device. It is one of the best color displays with the advantages of high responsiveness, high brightness, and high contrast.

[0003] The TFT display components in the prior art mostly include component boards such as a base plate and a TFT board. A colloid needs to be set between adjacent component boards for pressing and molding. A light source is set on the base plate. Both the light source and the TFT board need to be controlled by a circuit board set on the surface.

[0004] In actual production, the circuit board itself occupies a certain thickness space. At the same time, enough colloid needs to be filled in the space where the circuit board is located to cover the circuit board and reduce the possibility of damaging the circuit board during pressing. Therefore, the thickness of the display component manufactured is too thick, not thin and light enough for use, and there is room for improvement. Utility Model Content

[0005] In order to reduce the thickness of the display component and facilitate use, the present application provides a TFT-based full-film ultra-thin display component.

[0006] The present application provides a TFT-based full-film ultra-thin display assembly that adopts the following technical solution:

[0007] A TFT-based full-film ultra-thin display component comprises a bottom plate, a TFT substrate and a TP substrate, wherein the bottom plate is provided with an assembly frame, wherein the TFT substrate and the TP substrate are arranged in the assembly frame, and fixing glue is arranged between the bottom plate and the TFT substrate and between the TFT substrate and the TP substrate, wherein the inner wall of the assembly frame is provided with a first assembly groove, wherein a first circuit board is arranged in the first assembly groove, wherein a light source component electrically connected to the first circuit board is arranged on the bottom plate, wherein the light source component is used to provide a light source, wherein the TFT substrate is provided with a second circuit board, wherein the assembly frame is provided with a second assembly groove, wherein the second circuit board is inserted into the second assembly groove, wherein the TP substrate is provided with a third circuit board, wherein the assembly frame is provided with a third assembly groove, wherein the third circuit board is inserted into the third assembly groove.

[0008] By adopting the above technical solution, the first circuit board is used to provide power for the light source, the bottom plate can be set to be transparent to improve the brightness, the TFT substrate is controlled by the second circuit board to cooperate with the light source to form a display function, the TP substrate is a touch screen, and the TP substrate is controlled by the third circuit board, so that the display component has a touch control function and realizes full film lamination. The bottom plate and TFT substrate as well as the TFT substrate and TP substrate in the present application are fixed together by fixing glue to form a display component. At the same time, the TFT substrate and TP substrate are fixed by setting an assembly frame to improve the overall fixing stability. At the same time, the first circuit board, the second circuit board and the third circuit board are respectively inserted into the first assembly slot, the second assembly slot and the third assembly slot on the display frame. By setting the circuit board in the assembly frame, the thickness of the fixing glue can be reduced, and the thickness of the circuit board is reduced comprehensively, thereby reducing the overall thickness of the display component, so that the manufactured display component is convenient to use.

[0009] Preferably, the light source is an LED wafer, a circuit belt electrically connected to the first circuit board is provided on the surface of the base plate, and the LED wafer abuts against the circuit belt.

[0010] By adopting the above technical solution, the LED wafer provides a stable and reliable light source, and at the same time, it is connected to the first circuit board through a circuit belt made of copper or other conductive materials to provide power, thereby improving the stability of the display of the entire display component.

[0011] Preferably, the LED wafer is provided with a fixing glue, and the fixing glue abuts against the circuit belt and is inserted into the fixing glue.

[0012] By adopting the above technical solution, the LED wafer is fixed by the sealing glue, thereby improving the stability of the LED wafer installation and fixation.

[0013] Preferably, the bottom plate is provided with a spacer block, which is inserted between adjacent circuit strips and abuts against the bottom wall of the LED wafer.

[0014] By adopting the above technical solution, the spacer block is inserted into the adjacent circuit belt, which facilitates the installation and fixation of the circuit belt. At the same time, the top of the spacer block is abutted against the bottom wall of the LED wafer, thereby improving the stability of the installation and fixation of the LED wafer.

[0015] Preferably, the TFT substrate is provided with a first connecting block, which is connected to the second circuit board; the TP substrate is provided with a second connecting block, which is connected to the third circuit board; the assembly frame is provided with a first connecting groove communicating with the second assembly groove, and the first connecting block is inserted in the first connecting groove; the assembly frame is provided with a second connecting groove communicating with the third assembly groove, and the second connecting block is inserted in the second connecting groove.

[0016] By adopting the above technical solution, the second circuit board and the TFT substrate are connected through the first connecting block, and the third circuit board and the TP substrate are connected through the second connecting block. The thickness of the first connecting block is less than the thickness of the TFT substrate, and the thickness of the second connecting block is less than the thickness of the TP substrate. In this way, the heights of the first connecting groove and the second connecting groove can be increased, and the possibility of the fixing glue overflowing into the first connecting groove or the second connecting groove during assembly is reduced, thereby improving the convenience of assembly.

[0017] Preferably, the second assembly groove is communicated with the top wall of the assembly frame, the top wall of the assembly frame is provided with an auxiliary groove communicated with the second assembly groove, the assembly frame is provided with a closing frame pressed against the TP substrate, an installation component is provided between the closing frame and the assembly frame, and the installation component is used to install the closing frame on the assembly frame.

[0018] By adopting the above technical solution, the second assembly groove is communicated with the top wall of the assembly frame, and the auxiliary groove is communicated with the second assembly groove, thereby facilitating the installation of the second circuit board and the third circuit board. The closed frame is installed on the assembly frame through the installation component, so that the assembly frame is pressed against the extension of the TP substrate, further improving the stability of the overall display assembly, reducing the possibility of the TP substrate falling off, and improving durability.

[0019] Preferably, the mounting assembly includes a first mounting block and a second mounting block, the first mounting block is arranged on the closed frame, the top wall of the assembly frame is provided with a mounting groove, the second mounting block is arranged in the mounting groove, the first mounting block is inserted into the mounting groove, the first mounting block is provided with a clamping block, the clamping block is inserted between the second mounting block and the bottom wall of the mounting groove and is against the second mounting block.

[0020] By adopting the above technical solution, the card block can be provided with an inclined surface for convenient card-joining installation. When installing the closed frame, the closed frame is placed on the display assembly so that the closed frame is pressed against the extension of the TP substrate, and the first mounting block is inserted into the mounting groove. Pressing is performed with force so that the card block is inserted into the gap between the second mounting block and the bottom wall of the mounting groove, and the top wall of the card block is pressed against the bottom wall of the second mounting block, thereby completing the card-joining, and the operation is simple and convenient.

[0021] Preferably, the assembly frame is provided with an auxiliary block, the auxiliary block is inserted into the auxiliary groove, the top wall of the auxiliary block is pressed against the closed frame, the bottom wall of the auxiliary block is pressed against the second circuit board, and the closed frame is pressed against the third circuit board.

[0022] By adopting the above technical solution, after installing the second circuit board, the auxiliary block is inserted into the auxiliary groove so that the auxiliary block is pressed against the second circuit board, and then the closed frame is installed on the assembly frame through the installation component, so that the auxiliary block is pressed against the closed frame, and at the same time the closed frame is pressed against the third circuit board, thereby improving the installation stability of the second circuit board and the third circuit board, and reducing the possibility of damage caused by shaking of the second circuit board and the third circuit board.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. By setting a bottom plate, a TFT substrate, a TP substrate, a light source component, an assembly frame, a fixing glue, a first circuit board, a second circuit board, a third circuit board, a first assembly slot, a second assembly slot and a third assembly slot, the bottom plate, the TFT substrate and the TP substrate are assembled together to cooperate with the light source component to form a display component through fixing glue and pressing operations, and the TFT substrate and the TP substrate are fixed and limited by the assembly frame, and the first circuit board, the second circuit board and the third circuit board for control are respectively inserted into the first assembly slot, the second assembly slot and the third assembly slot, so as to reduce the thickness of the circuit board, and at the same time reduce the amount of fixing glue used, further reduce the thickness of the fixing glue, and reduce the thickness of the display component as much as possible, which is convenient for use;

[0025] 2. By providing an auxiliary groove, an auxiliary block, a closed frame and an installation component, the auxiliary block is inserted into the auxiliary groove and pressed against the second circuit board, and the closed frame is installed on the assembly frame through the installation component, so that the closed frame presses against the edge of the TP substrate, and the second circuit board and the third circuit board are shielded by the closed component, thereby reducing the probability of the second circuit board and the third circuit board being damaged by impact, and improving the overall durability;

[0026] 3. By setting the first mounting block, the second mounting block, the mounting groove and the clamping block, when installing the closed frame, the closed frame is covered on the assembly frame so that the closed frame is pressed against the edge of the TP substrate, and at the same time, the first fixing block on the closed frame is inserted into the fixing groove, and the clamping block is inserted into the gap between the second mounting block and the bottom wall of the mounting groove by pressing, and the top wall of the clamping block is pressed against the bottom wall of the second mounting block, thereby completing the clamping installation, which is simple and convenient to operate, and improves the convenience and stability of installation and assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is an overall schematic diagram of a TFT-based full-film ultra-thin display assembly provided in an embodiment of the present application.

[0028] Figure 2 It is a cross-sectional schematic diagram used to reflect the connection relationship of the first circuit board.

[0029] Figure 3 It is a cross-sectional schematic diagram used to reflect the connection relationship between the second circuit board and the third circuit board.

[0030] Figure 4 yes Figure 3 Magnified view of area A.

[0031] Explanation of the reference numerals: 1. bottom plate; 11. circuit belt; 12. spacer block; 13. first circuit board; 2. TFT substrate; 21. second circuit board; 22. first connecting block; 3. TP substrate; 31. third circuit board; 32. second connecting block; 4. assembly frame; 41. first assembly slot; 42. second assembly slot; 421. first connecting slot; 422. auxiliary slot; 43. third assembly slot; 431. second connecting slot; 44. mounting slot; 5. fixing glue; 6. LED wafer; 61. sealing glue; 7. closing frame; 71. auxiliary block; 8. mounting assembly; 81. first mounting block; 811. clamping block; 812. inclined surface; 82. second mounting block. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-4 This application is described in further detail.

[0033] The present application embodiment discloses a TFT-based full-film ultra-thin display assembly. Figures 1 to 3 , which comprises a bottom plate 1, a TFT substrate 2 and a TP substrate 3. The bottom plate 1 is made of a transparent material. An assembly frame 4 is fixedly arranged on the bottom plate 1. The TFT substrate 2 and the TP substrate 3 are both adapted to be inserted in the assembly frame 4. A fixing glue 5 made of OCA or OCR material is arranged between the bottom plate 1 and the TFT substrate 2 and between the TFT substrate 2 and the TP substrate 3. A first assembly groove 41 is arranged on the inner wall of the assembly frame 4. A first circuit board 13 is inserted in the first assembly groove 41. The first circuit board 13 is an FPC flexible circuit board. The fixing glue 5 is filled in the first assembly groove 41 and pressed against the first circuit board 13. In other embodiments, the assembly frame 4 can be provided with an interface groove for convenient charging or signal interception with other devices. A circuit belt 11 that is pressed against and electrically connected to the first circuit board 13 is fixedly arranged on the surface of the bottom plate 1. A spacer block 12 is fixedly arranged between adjacent circuit belts 11 on the surface of the bottom plate 1. An LED wafer 6 is arranged on the surface of the bottom plate 1 as a light source. The bottom plate 1 of the LED wafer 6 presses against the circuit belt 11 and the spacer block 12. The LED wafer 6 is provided with a semicircular sealing glue 61, which is inserted into the fixing glue 5 and covers the LED wafer 6, and the bottom wall of the sealing glue 61 abuts against the circuit belt 11. Compared with the prior art, the display assembly in the present application reduces the thickness of the first circuit board 13 by inserting the first circuit board 13 powered by the light source into the first assembly groove 41 on the assembly frame 4, and the fixing glue 5 between the bottom plate 1 and the TFT substrate 2 can also be reduced accordingly, thereby reducing the thickness of the overall display assembly and facilitating use.

[0034] In order to further reduce the thickness of the display assembly, refer to Figure 2 and Figure 3, a first connection block 22 is fixedly provided on the side wall of the TFT substrate 2, a second circuit board 21 is fixedly provided on the side wall of the first connection block 22 away from the TFT substrate 2, and the thickness of the first connection block 22 is less than the thickness of the TFT substrate 2. A second connection block 32 is fixedly provided on the side wall of the TP substrate 3, a third circuit board 31 is fixedly provided on the side wall of the second connection block 32 away from the TP substrate 3, and the thickness of the second connection block 32 is less than the thickness of the TP substrate 3. The second circuit board 21 and the third circuit board 31 are both FPC flexible circuit boards. A first connection groove 421 is provided on the inner wall of the assembly frame 4, a second assembly groove 42 communicating with the first connection groove 421 is provided inside the assembly frame 4, and an auxiliary groove 422 communicating with the first connection groove 421 and the second assembly groove 42 is provided on the bottom wall of the assembly frame 4, the first connection block 22 is adapted to be inserted into the first connection groove 421, and the second circuit board 21 is adapted to be inserted into the second assembly groove 42. The inner wall of the assembly frame 4 is provided with a second connection groove 431 communicating with the top wall of the assembly frame 4, the top wall of the assembly frame 4 is provided with a second assembly groove 42 communicating with the second connection groove 431, the second connection block 32 is adapted to be inserted into the second connection groove 431, and the third circuit board 31 is adapted to be inserted into the third assembly groove 43. The second circuit board 21 is inserted into the second assembly groove 42, and the third circuit board 31 is inserted into the third assembly groove 43, while further reducing the thickness occupied by the second circuit board 21 and the third circuit board 31, and reducing the amount of the fixing glue 5 between the TFT substrate 2 and the TP substrate 3, thereby further reducing the thickness of the entire display assembly, which is convenient for use.

[0035] To improve the durability of the display components, refer to Figure 3 and Figure 4, the assembly frame 4 is provided with an auxiliary block 71 adapted to be inserted into the auxiliary groove 422, the auxiliary block 71 is adapted to be inserted into the auxiliary and pressed against the second circuit board 21 and the first connection block 22. The assembly frame 4 is provided with a closed frame 7, and a mounting assembly 8 for installation is provided between the closed frame 7 and the assembly frame 4, the bottom wall of the closed frame 7 is pressed against the auxiliary block 71, the second connection hole and the third circuit board 31, and the bottom wall of the closed frame 7 is pressed against the edge of the surface of the TP substrate 3 that does not have a touch screen function. The mounting assembly 8 includes a first mounting block 81 and a second mounting block 82, both of which are made of elastic plastic materials, the first mounting block 81 is integrally arranged on the bottom wall of the closed frame 7, the bottom walls of the four frames of the closed frame 7 are all provided with the first mounting block 81, the side wall of the first mounting block 81 is integrally provided with a card block 811, and the side wall of the card block 811 is provided with an inclined surface 812, and in other embodiments, the side wall of the second mounting block 82 can be correspondingly provided with a related structure for convenient press-fitting and clamping. The four frame surfaces of the assembly frame 4 are all provided with mounting grooves 44, the second mounting block 82 is integrally fixedly arranged on the side wall of the mounting groove 44, the clamping block 811 is inserted between the second mounting block 82 and the bottom wall of the mounting groove 44, and the top wall of the clamping block 811 abuts against the bottom wall of the second mounting block 82. During installation, the first mounting block 81 is inserted into the mounting groove 44 and pressed, so that the clamping block 811 is inserted between the second mounting block 82 and the bottom wall of the mounting groove 44, and the clamping installation is completed, the closing block abuts against the TP substrate 3, the closing frame 7 abuts against the auxiliary block 71, the second connecting block 32 and the third circuit board 31, and at the same time, the bottom wall of the auxiliary block 71 abuts against the first connecting block 22 and the second circuit board 21, thereby improving the stability of the overall installation of the display assembly and improving the durability.

[0036] The implementation principle of a TFT-based full-film ultra-thin display component in an embodiment of the present application is as follows: the circuit boards used to provide circuit control in the display components in the prior art are mostly arranged between different substrates, which not only increases the thickness of the space occupied by the circuit boards, but also requires filling more fixing glue 5 for pressing in order to reduce the risk of damaging the circuit boards during pressing. In the present application, the first circuit board 13 is inserted into the first assembly slot 41 on the assembly frame 4, the second circuit board 21 is inserted into the second assembly slot 42 on the assembly frame 4, and the third circuit board 31 is inserted into the third assembly slot 43 on the assembly frame 4, thereby saving the thickness space occupied by the circuit boards. At the same time, the filling of the fixing glue 5 can be reduced, reducing the thickness space occupied by the fixing glue 5, thereby reducing the overall thickness of the display component, making it convenient to use.

[0037] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A TFT-based full-film ultra-thin display component, characterized in that: The invention comprises a bottom plate (1), a TFT substrate (2) and a TP substrate (3), wherein the bottom plate (1) is provided with an assembly frame (4), the TFT substrate (2) and the TP substrate (3) are arranged in the assembly frame (4), fixing glue (5) is arranged between the bottom plate (1) and the TFT substrate (2) and between the TFT substrate (2) and the TP substrate (3), the inner wall of the assembly frame (4) is provided with a first assembly groove (41), a first circuit board (13) is arranged in the first assembly groove (41), and the bottom plate ( 1) is provided with a light source component electrically connected to a first circuit board (13), the light source component is used to provide a light source, the TFT substrate (2) is provided with a second circuit board (21), the assembly frame (4) is provided with a second assembly groove (42), the second circuit board (21) is inserted into the second assembly groove (42), the TP substrate (3) is provided with a third circuit board (31), the assembly frame (4) is provided with a third assembly groove (43), the third circuit board (31) is inserted into the third assembly groove (43).

2. The TFT-based full-film ultra-thin display assembly according to claim 1, characterized in that: The light source component is an LED wafer (6), a circuit belt (11) electrically connected to a first circuit board (13) is provided on the surface of the base plate (1), and the LED wafer (6) abuts against the circuit belt (11).

3. The TFT-based full-film ultra-thin display assembly according to claim 2, characterized in that: The LED wafer (6) is provided with a sealing adhesive (61), and the sealing adhesive (61) abuts against the circuit belt (11) and is inserted into the fixing adhesive (5).

4. The TFT-based full-film ultra-thin display assembly according to claim 2, characterized in that: The bottom plate (1) is provided with a spacer block (12), and the spacer block (12) is inserted between adjacent circuit strips (11) and abuts against the bottom wall of the LED wafer (6).

5. The TFT-based full-film ultra-thin display assembly according to claim 1, characterized in that: The TFT substrate (2) is provided with a first connection block (22), the first connection block (22) is connected to the second circuit board (21), the TP substrate (3) is provided with a second connection block (32), the second connection block (32) is connected to the third circuit board (31), the assembly frame (4) is provided with a first connection groove (421) communicating with the second assembly groove (42), the first connection block (22) is inserted into the first connection groove (421), the assembly frame (4) is provided with a second connection groove (431) communicating with the third assembly groove (43), the second connection block (32) is inserted into the second connection groove (431).

6. The TFT-based full-film ultra-thin display assembly according to claim 1, characterized in that: The second assembly groove (42) is in communication with the top wall of the assembly frame (4); the top wall of the assembly frame (4) is provided with an auxiliary groove (422) in communication with the second assembly groove (42); the assembly frame (4) is provided with a closing frame (7) pressed against the TP substrate (3); a mounting assembly (8) is provided between the closing frame (7) and the assembly frame (4); the mounting assembly (8) is used for mounting the closing frame (7) on the assembly frame (4).

7. The TFT-based full-film ultra-thin display assembly according to claim 6, characterized in that: The mounting assembly (8) comprises a first mounting block (81) and a second mounting block (82); the first mounting block (81) is arranged on the closed frame (7); the top wall of the assembly frame (4) is provided with a mounting groove (44); the second mounting block (82) is arranged in the mounting groove (44); the first mounting block (81) is inserted into the mounting groove (44); the first mounting block (81) is provided with a clamping block (811); the clamping block (811) is inserted between the second mounting block (82) and the bottom wall of the mounting groove (44) and abuts against the second mounting block (82).

8. The TFT-based full-film ultra-thin display assembly according to claim 6, characterized in that: The assembly frame (4) is provided with an auxiliary block (71), the auxiliary block (71) is inserted into the auxiliary groove (422), the top wall of the auxiliary block (71) is pressed against the closed frame (7), the bottom wall of the auxiliary block (71) is pressed against the second circuit board (21), and the closed frame (7) is pressed against the third circuit board (31).

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