A display screen integrating a display driving board and a screen side plate

Abstract

The application discloses a display screen integrated with a display driving board and a screen edge board, and belongs to the technical field of display equipment. The display screen comprises a display panel, an integrated circuit board and an interface module; a display driving circuit and a screen edge board circuit are integrated on the same integrated circuit board, and the interface module is arranged on the integrated circuit board, so that the signal transmission and power supply functions can be simultaneously realized. The display panel is fixedly connected with the integrated circuit board and is electrically connected with the screen edge board circuit, internal signal connecting lines are arranged in the integrated circuit board, and the direct connection of the display driving circuit and the screen edge board circuit is realized. The application has the advantages of high integration, compact structure, simple assembly, stable signal transmission and the like, is suitable for various light and thin display terminals, and solves the technical problems of the dispersed structure, large interference and complex assembly of the existing display screen.

Description

[0001] This invention belongs to the field of display device technology, specifically relating to a display screen integrating a display driver board and a screen edge board, suitable for display terminals such as laptops, tablets, monitors, automotive displays, and industrial displays. Background Technology

[0002] Existing displays typically consist of a display panel, a screen edge panel, a display driver board, external connecting cables, and connectors. The screen edge panel and the display driver board are independent of each other and are electrically connected via external connecting cables. This involves numerous assembly steps, occupies a large space, and is not conducive to thin and light designs. External connecting cables are prone to introducing electromagnetic interference, affecting signal transmission stability. The large number of independent components also leads to high material management and assembly costs. Summary of the Invention

[0003] The purpose of this invention is to solve the problems of dispersed display screen structure, complex assembly, large space occupation, and easy interference of signal transmission in the prior art, and to provide a display screen with integrated display driver board and screen edge board, so as to improve integration, simplify structure, improve signal stability and reduce overall size.

[0004] The technical solution of the present invention is as follows: a display screen integrating a display driver board and a screen edge board, wherein the display driver circuit and the screen edge board circuit are integrated on the same integrated circuit board; the integrated circuit board is provided with an interface module that can simultaneously realize signal transmission and power supply functions.

[0005] Furthermore, the integrated circuit board is an integrated PCB board, the display panel is fixedly connected to the integrated circuit board, and the signal input terminal of the display panel is electrically connected to the screen edge board circuit.

[0006] Furthermore, the interface module is a surface-mount interface, selected from one or more of Type-C, HDMI, DP, and VGA, and is soldered and fixed to the edge of the integrated circuit board.

[0007] Furthermore, the integrated circuit board is a 4-8 layer multilayer PCB board, with internal signal lines that electrically connect the display driving circuit and the screen edge board circuit. The two circuits are electrically connected through blind holes or buried holes.

[0008] Furthermore, the internal signal wiring adopts a high-frequency transmission wiring design and supports one or more screen-end signal transmission protocols such as LVDS, eDP, MIPI, and V-by-One.

[0009] Furthermore, the display panel is bonded and fixed to the integrated circuit board by optical bonding adhesive, and the two are electrically connected by bonding with conductive adhesive or welding.

[0010] Furthermore, the interface module is fixed by surface mount technology (SMT) welding.

[0011] Furthermore, the display panel is an LCD or OLED display panel.

[0012] Beneficial effects The beneficial effects of this invention are as follows: It integrates the display driving circuit and the screen edge board circuit onto the same circuit board, reducing independent components and external connection lines, shrinking the installation space, and facilitating a thinner and lighter design; internal wiring replaces external connections, reducing electromagnetic interference and improving signal transmission stability; the interface module integrates signal and power supply functions, simplifying the external connection structure and reducing assembly complexity. Furthermore, the integrated circuit board adopts a 4-8 layer multilayer PCB design, achieving circuit connections through blind or buried vias, coupled with high-frequency transmission wiring, further improving signal transmission efficiency and stability, making it suitable for display terminals in various scenarios. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of the display screen according to an embodiment of the present invention; Figure 2 This is a schematic diagram of the integrated circuit board layout according to an embodiment of the present invention; Figure 3 This is a schematic diagram of the structure of a display screen in the prior art.

[0014] Explanation of reference numerals in the attached figures 1—Display panel; 2—Integrated circuit board; 3—Interface module; 4—Screen edge board circuit; 5—Display driver circuit; 6—Prior technology driver board; 7—Prior technology connection line; 8—Prior technology screen edge board; 9—Optical bonding adhesive. Detailed Implementation

[0015] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. These embodiments are only used to illustrate the present invention and do not constitute a limitation on the scope of protection of the present invention. Example

[0016] A display screen integrating a display driver board and a screen edge board includes a display panel (1), an integrated circuit board (2), an interface module (3), a screen edge board circuit (4), a display driver circuit (5), and an optical bonding adhesive (9).

[0017] The integrated circuit board (2) adopts an integrated 4-layer PCB board. The display driving circuit (5) and the screen edge board circuit (4) are integrated on the same integrated circuit board (2). The two are electrically connected through internal signal lines. The internal signal lines are laid inside the circuit board and adopt a high-frequency transmission wiring design to support LVDS and eDP signal transmission protocols.

[0018] The display panel (1) is bonded and fixed to the integrated circuit board (2) by optical bonding adhesive (9). The signal input terminal of the display panel (1) and the screen edge board circuit (4) are electrically connected by conductive adhesive bonding.

[0019] The interface module (3) adopts a combination of Type-C and HDMI interfaces. It is a surface mount interface and is fixed to the edge of the integrated circuit board (2) by surface mount process. It can realize signal transmission and power supply functions at the same time.

[0020] In this embodiment, the integrated circuit board (2) is directly connected to the display driver circuit (5) and the screen edge board circuit (4) through internal wiring, eliminating the need for external connection lines and independent connectors. The structure is compact, the signal transmission is stable, the overall thickness is smaller, and the assembly process is simplified. Example

[0021] This embodiment is basically the same as embodiment 1, except that: the integrated circuit board (2) adopts a 6-layer PCB board, and the internal signal connection supports MIPI and V-by-One signal transmission protocols; the display panel (1) is an OLED display panel; the interface module (3) adopts Type-C and DP interfaces and is soldered to the edge of the integrated circuit board (2) through surface mount technology.

[0022] In this embodiment, the 6-layer PCB board optimizes the internal wiring space, improves the anti-interference capability of signal transmission, and is adapted to the high-resolution OLED display panel (1) to meet the usage requirements of scenarios such as automotive display and industrial display.

Claims

1. A display screen integrating a display driver board and a screen edge board, characterized in that: The display driver circuit and the screen edge board circuit are integrated on the same integrated circuit board; the integrated circuit board is provided with an interface module that can simultaneously realize signal transmission and power supply functions.

2. The display screen according to claim 1, characterized in that, The integrated circuit board is an integrated PCB board. The display panel is fixedly connected to the integrated circuit board, and the signal input terminal of the display panel is electrically connected to the circuit of the screen edge board.

3. The display screen according to claim 2, characterized in that, The integrated circuit board is bonded and fixed to the display panel by optical bonding adhesive. The two are electrically connected by bonding with conductive adhesive or by soldering. The interface module is a surface mount interface, selected from one or more of Type-C, HDMI, DP, and VGA. The interface module is fixed by soldering using surface mount technology.

4. The display screen according to claim 2, characterized in that, The integrated circuit board is a 4-8 layer multilayer PCB board, with internal signal lines that electrically connect the display driver circuit and the screen edge board circuit. The two circuits are electrically connected through blind holes or buried holes.

5. The display screen according to claim 4, characterized in that, The internal signal wiring adopts a high-frequency transmission wiring design and supports one or more screen-end signal transmission protocols, including LVDS, eDP, MIPI, and V-by-One.

6. The display screen according to claim 1, characterized in that, The display panel is an LCD or OLED display panel.

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