A vehicle-mounted LED transparent display screen

Abstract

The utility model discloses a vehicle-mounted LED transparent display screen, which belongs to the technical field of LED display screens. The utility model solves the problems of small display area and strong limitation of vehicle-mounted display glass and image display by combining LED direct display with vehicle-mounted glass. The technical scheme adopted is as follows: the utility model comprises laminated glass, the laminated glass comprises a first glass plate and a second glass plate, an interlayer is arranged between the first glass plate and the second glass plate, a soldering pad is arranged on the laminated glass, a circuit board is etched on the soldering pad, a connecting circuit and pixel points are arranged on the circuit board, the pixel points are electrically connected to the connecting circuit, a control circuit and a power supply end are also arranged on the circuit board, the control circuit is electrically connected to a control circuit interface, the power supply end is electrically connected to a power supply interface, the control circuit interface and the power supply interface are multiple control settings, the control circuit interface and the power supply interface are arranged around the vehicle-mounted display glass, and a filler for encapsulating an LED RGB chip and a control circuit is arranged in the interlayer. The utility model is applied to the LED transparent display screen.

Description

Technical Field

[0001] The utility model provides a vehicle-mounted LED transparent display screen, belonging to the technical field of LED display screens. Background Art

[0002] With the rapid development of LED display technology, LED products with different characteristics have been developed for different application scenarios. At present, various LED manufacturers focus on the high-end market, such as automotive LED. With the rapid development of the automobile industry, the demand for decorative, functional and personalized automobiles has become more and more significant. The existing starry sky roof transmits the light source to the roof through optical fiber, and it is impossible to realize the starry sky pattern on the panoramic sunroof. Conventional HUD display is realized by projecting imaging on the front windshield, with limited display area and great limitations. In addition, the glass strength is low, and the automotive glass needs to be laminated.

[0003] The prior art (CN 114659073 A) proposes a laminated luminous glass device and a car sunroof, which is achieved by setting a microstructure layer between a first glass layer and a second glass layer, and by using LED lights and an introduction device to make the entire luminous glass component emit light evenly when light is introduced.

[0004] The prior art (CN 109562724 B) proposes a roof decorative panel, which is a first support plate with a flexible electronic film on the lower surface, a second plate on the lower surface of the flexible electronic film, a through hole for accommodating a light source and a light-transmitting fabric lining sheet on the second plate, thereby providing a starry sky effect. Utility Model Content

[0005] In order to solve the technical problems of the limited display area and poor transparency of vehicle-mounted display glass and the combination of LED direct display and vehicle-mounted glass for image display, the utility model proposes a vehicle-mounted LED transparent display screen, the purpose of which is to expand the display area of ​​the vehicle-mounted display glass by improving the hardware structure of the vehicle-mounted display glass or improving the combined connection of hardware modules and / or circuits, and combine the LED direct display with the vehicle-mounted glass for image display, and can arbitrarily adjust parameters such as display area, display content, display brightness, etc., reduce the interlayer thickness of the vehicle-mounted display glass, and improve the transparency of the vehicle-mounted display glass.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is: a vehicle-mounted LED transparent display screen, comprising laminated glass, wherein the laminated glass comprises a first glass plate and a second glass plate, and an interlayer is arranged between the first glass plate and the second glass plate;

[0007] A soldering pad is provided on the laminated glass, and a circuit board is etched on the soldering pad;

[0008] The circuit board is provided with connecting circuits and pixel points, and the pixel points are electrically connected to the connecting circuits;

[0009] The pixel includes an LED RGB chip;

[0010] The circuit board is also provided with a control circuit and a power supply terminal;

[0011] The control circuit is electrically connected to a control circuit interface, and the power supply end is electrically connected to a power supply interface;

[0012] The control line interface and the power supply interface are multiple groups of control settings;

[0013] The control circuit interface and the power supply interface are arranged around the vehicle display glass;

[0014] The interlayer is provided with a filler for encapsulating the LED RGB chip and the control circuit.

[0015] Furthermore, the connection lines are a grid structure, and the pixel points are arranged at the intersections of the connection lines.

[0016] Furthermore, the filler is a sealant.

[0017] Furthermore, the width of the control circuit etched on the circuit board is 10-15 um.

[0018] Furthermore, the control circuit is distributed at a distance of 0 to 50 mm around the vehicle-mounted LED display glass.

[0019] Furthermore, the control circuit is arranged in the filler of the vehicle-mounted display glass.

[0020] Furthermore, the thickness of the pad is 3-5 um.

[0021] The beneficial effects of the present invention compared with the prior art are as follows:

[0022] 1. The utility model directly etches a circuit board in the laminated glass and encapsulates the LED RGB chip to ensure that the vehicle display glass emits light evenly without being limited by the display area;

[0023] 2. The utility model improves the strength and durability of the vehicle display glass by bonding glue encapsulation;

[0024] 3. The signal control end and the power supply end of the utility model can directly and accurately control the brightness, color, etc. of the LED RGB chip around the vehicle display glass through multiple control settings.

[0025] 4. The utility model packages the LED RGB chip on the circuit board, which can make the interlayer of the vehicle display glass very thin, thereby improving the transparency of the vehicle display glass. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The utility model is further described below in conjunction with the accompanying drawings:

[0027] Figure 1 It is a schematic diagram of the circuit structure of the utility model;

[0028] Figure 2 It is the front view of the utility model;

[0029] Figure 3 for Figure 2 A partial enlarged view of part A;

[0030] In the figure: 1 is laminated glass, 2 is the first glass plate, 3 is the second glass plate, 4 is the interlayer, 5 is the connecting line, 6 is the pixel point, 7 is the control line interface, and 8 is the power supply interface. DETAILED DESCRIPTION

[0031] In the present invention, unless otherwise specified, the directional words used, such as "up, down, top, bottom", usually refer to the directions shown in the drawings, or to the components themselves in the vertical, perpendicular or gravity directions; similarly, for ease of understanding and description, "inside and outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directional words are not used to limit the present invention.

[0032] like Figures 1 to 3 As shown, the utility model provides a vehicle-mounted LED transparent display screen, including laminated glass 1, the laminated glass 1 includes a first glass plate 2 and a second glass plate 3, and an interlayer 4 is arranged between the first glass plate 2 and the second glass plate 3; a 3-5um dense copper layer is uniformly plated on the lower surface of the first glass plate 2 by a magnetron sputtering process to form a pad, a circuit board is etched on the pad as required, a connecting line 5 and a pixel point 6 are arranged on the circuit board, the connecting line 5 is 10-15um wide, an LED RGB chip is transferred to the circuit board by a mass transfer process to form a pixel point 6, and the LED The RGB chip is electrically connected to the circuit board through a laser bonding process. A signal control circuit and a power supply terminal are also provided on the circuit board. The control circuit is electrically connected to a control circuit interface 7, and the power supply terminal is electrically connected to a power supply interface 8 to achieve electrical connection of the control circuit; the signal control circuit interface 7 and the power supply interface 8 are distributed around the vehicle display glass to meet the requirements of relevant laws and regulations that the transmittance of the vehicle display glass is not less than 70% and the line width is less than 15um; in order to meet the problem of insufficient load caused by the transmittance of the vehicle display glass being not less than 70% and the line width being less than 15um, the control circuit interface 7 and the power supply interface 8 are set to multiple groups of control.

[0033] The LED RGB chip and the control circuit are encapsulated in the interlayer 4 between the first glass plate 2 and the second glass plate 3 through a filler. The filler encapsulates the LED RGB chip and the control circuit in the interlayer 4 through a double-layer lamination process to protect the LED RGB chip and the control circuit. The filler can be a sealant. The control circuit is distributed at 0 to 50 mm around the vehicle display glass. According to actual wiring conditions, the control circuit is hidden in the heat-absorbing edge of the edge of the vehicle display glass and inside the sealant.

[0034] The utility model sputters a copper layer on the surface of the laminated glass 1 on the side of the interlayer 4 and then directly etches a circuit, and encapsulates the LED RGB chip through the COB packaging technology, so that the vehicle-mounted display glass can be made very thin, which can meet the transparency requirements of the vehicle-mounted windshield. The strength and durability of the vehicle-mounted display glass can be improved through sealant packaging. The signal control interface and the power interface 8 are set through multiple groups of controls. While meeting the load requirements, the luminous brightness and color of the LED RGB chip can be directly and accurately controlled around the vehicle-mounted display glass, and the brightness adjustment of 0~200nits can be achieved, and the content of the displayed image can be adjusted; the display area of ​​the utility model can be designed according to the needs of users, without being restricted by the size of the display area, such as the display of the entire windshield. The display shape and display area of ​​the utility model can be DIY creatively designed according to the needs of users.

[0035] The utility model can be applied to the starry sky roof of the vehicle to achieve a good decorative effect, can be applied to the front windshield to realize the head-up display function of the vehicle, can be applied to the rear windshield to realize user DIY creative display, or can be used for emergency prompts to ensure the driving safety of the following vehicles.

[0036] Regarding the specific structure of the utility model, it should be explained that the connection relationship between the various component modules adopted in the utility model is definite and feasible. Except for special instructions in the embodiments, the specific connection relationship can bring corresponding technical effects and solve the technical problems raised by the utility model without relying on the execution of corresponding software programs. The components, modules, models of specific components and the connection methods between each other appearing in the utility model, as well as the conventional use methods and expected technical effects brought about by the above-mentioned technical features, except for specific instructions, all belong to the disclosed contents in patents, journal articles, technical manuals, technical dictionaries, and textbooks that can be obtained by technical personnel in this field before the application date, or belong to the existing technologies such as conventional technologies and common knowledge in this field, and there is no need to elaborate, so that the technical solution provided in this case is clear, complete and feasible, and the corresponding physical products can be reproduced or obtained according to the technical means.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A vehicle-mounted LED transparent display screen, characterized in that: Comprising a laminated glass (1), the laminated glass (1) comprising a first glass plate (2) and a second glass plate (3), wherein an interlayer (4) is provided between the first glass plate (2) and the second glass plate (3); A soldering pad is provided on the laminated glass (1), and a circuit board is etched on the soldering pad; The circuit board is provided with a connecting line (5) and a pixel point (6), and the pixel point (6) is electrically connected to the connecting line (5); The pixel point (6) includes an LED RGB chip; The circuit board is also provided with a control circuit and a power supply terminal; The control circuit is electrically connected to a control circuit interface (7), and the power supply end is electrically connected to a power supply interface (8); The control circuit interface (7) and the power supply interface (8) are multiple control settings; The control circuit interface (7) and the power supply interface (8) are arranged around the vehicle display glass; The interlayer (4) is provided with a filler for encapsulating the LED RGB chip and the control circuit.

2. The vehicle-mounted LED transparent display according to claim 1, characterized in that: The connection lines (5) are of a grid-like structure, and the pixel points (6) are arranged at intersections of the connection lines (5).

3. The vehicle-mounted LED transparent display according to claim 1, characterized in that: The filler is a sealant.

4. The vehicle-mounted LED transparent display screen according to claim 1, characterized in that: The control circuit is distributed at a distance of 0 to 50 mm from the periphery of the vehicle-mounted LED display glass.

5. The vehicle-mounted LED transparent display screen according to claim 1, characterized in that: The control circuit is arranged in the filler of the vehicle-mounted display glass.

6. The vehicle-mounted LED transparent display screen according to claim 1, characterized in that: The thickness of the pad is 3-5 um.

7. The vehicle-mounted LED transparent display screen according to claim 1, characterized in that: The width of the control circuit etched on the circuit board is 10-15 um.

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