Vehicle-mounted glass screen

Abstract

The utility model relates to a vehicle-mounted glass screen which comprises a glass bottom plate and an adapter plate, a plurality of LED devices arranged according to a matrix structure are arranged on the glass bottom plate, and each LED device is an RGB three-color LED with a built-in driving IC; a plurality of conducting circuits are arranged on the glass bottom plate in rows or columns, one end of each conducting circuit extends out of the glass bottom plate, one conducting circuit corresponds to the LED devices in one row or one column, and the LED devices in the same row or the same column are connected to the corresponding conducting circuits in parallel; one end, extending out of the glass bottom plate, of each conductive circuit is connected with the adapter plate; a glass panel covering the LED device is arranged on the glass bottom plate through transparent glue. Under the same display condition, the small-sized, light and thin arrangement can be realized, and the transparent bottom plate and the transparent panel cannot shield the sight line, so that the vehicle-mounted display screen can be conveniently used in a vehicle.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of vehicle-mounted display screen especially a vehicle-mounted glass screen. BACKGROUND

[0002] Vehicle-mounted display screen is the special screen installed in the car interior, some are used as central control display screen and liquid crystal instrument panel, some are used as multimedia display product to put in advertisement or entertainment. With the development of new energy vehicles, the existing hollow display screen integrates entertainment function, and the LED device and driving IC of the existing display screen are packaged separately, in order to better display, the display screen is relatively large, which cannot realize miniaturization and thinness under the condition of the same display. Because the space of vehicle center console is limited, the existing display screen is installed on the center console, thereby partially shielding the front windshield and affecting driving. The display screen for entertainment is installed at different positions according to use requirements, some are installed on the roof, and some are installed at the rear windshield of the vehicle, but once the rear windshield is installed with LED display screen, it will affect the driver's view of the rearview mirror, which also affects normal driving. In view of the above problems, LED transparent display screen emerges as the times require. The existing LED transparent display screen hollows the vacant position of the non-LED area on the PCB, so that the LED is assembled into a single unit plate in the form of a lamp strip, in this way, the lamp strips form a light-transmitting gap, which presents a grid shape, thereby achieving the purpose of light transmission, but such transparent display screen needs to consider how to set driving IC and LED device on the PCB and the hollowed position, which is not conducive to the layout of LED device and occupies a large space. SUMMARY

[0003] In view of the above problems, the utility model provides a vehicle-mounted glass screen.

[0004] The utility model discloses a technical scheme that solves the technical problems: a vehicle-mounted glass screen, comprising: a glass bottom plate, a conversion plate, a plurality of LED devices arranged in a matrix structure are arranged on the glass bottom plate, each LED device is a RGB three-color LED with a built-in driving IC, a plurality of conductive circuits with one end extending out of the glass bottom plate are arranged on the glass bottom plate by rows or by columns, one conductive circuit corresponds to a plurality of LED devices in a row or a column, a plurality of LED devices in the same row or the same column are connected in parallel on the corresponding conductive circuit, the end of each conductive circuit extending out of the glass bottom plate is connected with the conversion plate, and a glass panel covering the LED devices is arranged on the glass bottom plate through a transparent colloid.

[0005] Preferably, a convex bump with a reflective layer on the surface of the glass bottom plate with a height lower than that of the LED device is arranged around each LED device, and the surface of the convex bump facing the LED device is a slope extending downward from top to bottom and toward the LED device.

[0006] Preferably, the slope forms an angle of not less than 45 degrees with the axis of the LED device.

[0007] Preferably, the LED device comprises a transparent substrate, a driving IC and RGB three-color LEDs packaged on the front surface of the substrate, and a plurality of connection terminals arranged on the back surface of the substrate and corresponding to the pins of the driving IC, and the RGB three-color LEDs and the driving IC are electrically connected.

[0008] Preferably, the connection terminals comprise a VDD connection terminal connected to the VDD pin of the driving IC, a GND connection terminal connected to the GND pin of the driving IC, an input connection terminal connected to the input pin of the driving IC, and an output connection terminal connected to the output pin of the driving IC.

[0009] Preferably, the VDD connection terminal and the GND connection terminal are diagonally arranged on the back surface of the substrate, and the input connection terminal and the output connection terminal are each provided with one and form four vertices of a quadrangle with the VDD connection terminal and the GND connection terminal.

[0010] Preferably, a transparent Zener diode electrically connected to the driving IC is also packaged on the front surface of the substrate.

[0011] Preferably, a memory is arranged in the driving IC, and the memory is used to store address information of the driving IC.

[0012] Preferably, the conductive circuit is a transparent flexible circuit board or a transparent ITO film circuit connected with a flexible circuit board at one end of the glass bottom plate.

[0013] Preferably, a transparent frame is further sleeved on the glass bottom plate and the sidewall of the glass panel.

[0014] The utility model discloses an LED device with a built-in driving IC, which simplifies the connection structure between the LED device and the driving IC, and each LED has a driving IC, thereby solving the problem that the display of multiple LEDs is affected when the driving IC of the traditional display screen has a problem. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic view of the upper surface of the glass bottom plate according to an embodiment of the present application;

[0016] Figure 2 is a sectional structural schematic view of the LED device along a row according to an embodiment of the present application;

[0017] Figure 3 is a front structural schematic view of the LED device according to an embodiment of the present application;

[0018] Figure 4 is a back structural schematic view of the LED device according to an embodiment of the present application;

[0019] In the figure, the names and serial numbers of the components are as follows: 1-glass bottom plate 10-boss 2-adapter plate 3-LED device 30-substrate 31-driving IC 32-RGB three-color LED 33-VDD connecting end 34-GND connecting end 35-input connecting end 36-output connecting end 37-Zener diode 4-conductive circuit 5-glass panel 6-transparent frame. DETAILED DESCRIPTION

[0020] In order to more clearly illustrate the purpose, technical scheme and advantages of the embodiments of the present application, the present application will be further described below in conjunction with the drawings and embodiments, and a clear and complete description will be made. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0021] The embodiments of the present application are as follows Figures 1 to 4As shown in the figure, a vehicle-mounted glass screen comprises a glass base plate 1, an adapter plate 2, and a plurality of LED devices 3 arranged in a matrix structure on the glass base plate 1, that is, the plurality of LED devices 3 are arranged in rows and columns on the upper surface of the glass base plate 1, then the plurality of LED devices 3 in the same row or the same column are connected in parallel to form an LED device strip in a row or a column, and finally the LED device strip is connected in parallel on the adapter plate 2, and the adapter plate 2 is used to be connected with an external power supply and a controller. Each LED device 3 is a RGB three-color LED 32 with a built-in driving IC 31, which means that one LED device 3 has one driving IC 31, and the integration of the driving IC 31 and the RGB three-color LED 32 into one LED device 3 facilitates the layout of the LED device 3 on the glass base plate 1, so that more LED devices 3 can be arranged in a limited space, thereby improving the pixel density of the display screen and the display effect, and the display screen can be made smaller and thinner. A plurality of conductive lines 4 extending out of the glass base plate 1 at one end are arranged on the glass base plate 1 in rows or columns, one conductive line 4 corresponds to a plurality of LED devices 3 in a row or a column, and the plurality of LED devices 3 in the same row or the same column are connected in parallel on the corresponding conductive line 4. That is, the conductive lines 4 are arranged in a row or a column on the upper surface of the glass base plate 1 according to the layout of the LED devices 3, and one conductive line 4 corresponds to a plurality of LED devices 3 in a row or a column, and the plurality of LED devices 3 corresponding to the same conductive line 4 are connected in parallel on the conductive line 4. At the same time, each conductive line 4 has a part extending out of the glass base plate 1 at one end, and the plurality of conductive lines 4 extend out of the glass base plate 1 at one end on the same side and are connected with the adapter plate 2, so that the LED devices 3 are connected with the conductive lines 4 by patch welding. As for the conductive lines 4, the conductive lines 4 are transparent flexible circuit boards or transparent ITO film lines connected with flexible circuit boards at one end extending out of the glass base plate 1, that is, the conductive lines 4 are composed of transparent flexible circuit boards alone, or ITO film lines are formed by sputtering transparent ITO film on the upper surface of the glass base plate 1, and then flexible circuit boards capable of being electrically connected with the ITO film lines are arranged at one end of the ITO film lines, and finally the flexible circuit boards are connected with the adapter plate 2. The plurality of conductive lines 4 extend out of the glass base plate 1 at one end and are connected with the adapter plate 2. The glass base plate 1 is provided with a glass panel 5 covering the LED devices 3 through transparent adhesive, and the size and thickness of the glass panel 5 and the glass base plate 1 are the same. If a 1mm thick glass plate is selected, the glass panel 5 is pasted and set on the glass base plate 1 through transparent adhesive, so that the LED devices 3 and the conductive lines 4 are packaged by the transparent adhesive, and the glass panel 5, the glass base plate 1 and the transparent adhesive can effectively transmit light and will not block the line of sight.At this time, the transparent frame 6 is sleeved on the glass bottom plate 1 and the glass panel 5 side wall, the edge of the glass bottom plate 1 and the glass panel 5 is wrapped by the transparent frame 6, the display screen is protected and the sight is not blocked, the transparent frame 6 is provided with the through hole for the conductive circuit 4 to pass through, the transparent frame 6 can be made of transparent polyimide.

[0022] Further improvement, as shown in Figure 1 and Figure 2 The glass bottom plate 1 is provided with the convex 10 with the height lower than the height of the LED device 3 around each LED device 3, the convex 10 is integrally formed with the glass bottom plate 1, can be provided with the annular or the convex which is arranged at the equidistance in the circumferential direction of the LED device 3, the height of the convex 10 is lower than the height of the LED device 3, so that the light emitted by the LED device 3 is not blocked, the reflective layer is made of the high reflection film, the resolution, the brightness and the contrast of the imaging are improved by the reflection of the light, the surface of the convex 10 towards the LED device 3 is the inclined surface extending from top to bottom and towards the LED device 3, that is, the surface opposite to the LED device 3 of the convex 10 is the inclined surface, the inclined surface is more conducive to the reflection of the light.

[0023] Further improvement, as shown in Figure 3 and Figure 4As shown in the figure, the LED device 3 comprises a transparent substrate 30, a driving IC 31 and RGB three-color LEDs 32 encapsulated on the front of the substrate 30, and a plurality of connecting terminals arranged on the back of the substrate 30 and corresponding to the pins of the driving IC 31. The RGB three-color LEDs 32 are electrically connected to the driving IC 31. The substrate 30 is made of transparent glass or transparent polyimide. The RGB three-color LEDs 32 comprise red LEDs, green LEDs and blue LEDs, which are all connected in parallel to the driving IC 31. The connecting terminals are used to connect to the conductive circuit 4 on the glass base 1. The encapsulation is performed by using transparent gel. At this time, the connecting terminals comprise a VDD connecting terminal 33 connected to the VDD pin of the driving IC 31, a GND connecting terminal 34 connected to the GND pin of the driving IC 31, an input connecting terminal 35 connected to the input pin of the driving IC 31, and an output connecting terminal 36 connected to the output pin of the driving IC 31. The input connecting terminal 35 is the D1 terminal of the driving IC 31, and the output connecting terminal 36 is the D0 terminal of the driving IC 31. In order to facilitate the connection of the LED device 3 to the conductive circuit 4, the VDD connecting terminal 33 and the GND connecting terminal 34 are diagonally arranged on the back of the transparent substrate 30. The input connecting terminal 35 and the output connecting terminal 36 are each provided with one and form four vertices of a quadrangle with the VDD connecting terminal 33 and the GND connecting terminal 34, that is, the D1 terminal and the D0 terminal are located at the two ends of the other diagonal of the quadrangle. Meanwhile, a transparent Zener diode 37 electrically connected to the driving IC 31 is also encapsulated on the front of the substrate 30. The Zener diode 37 is selected from transparent Zener diodes. The high voltage bearing capacity of the Zener diode 37 in the reverse bias state is used to keep the voltage passing through the LED device 3 in a stable state, and also increases the anti-static capability of the LED device 3.

[0024] Further improvement, the driving IC 31 is provided with a memory, the memory is used for storing the address information of the driving IC 31. Thus, each LED device 3 is given corresponding address information by the controller, and then the address information is stored in the memory, which means that each LED device 3 in the display screen has a unique address, so that the controller can control each LED device 3 individually, and the damage of one LED device 3 will not affect the display of other LED devices 3.

[0025] Although the utility model has been described in detail above with general description and specific implementation, some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the utility model, all belong to the scope of protection required by the utility model.

Claims

1. A vehicle glazing screen, characterised in that, It comprises: A glass base plate and a switching plate, the glass base plate is provided with a plurality of LED devices arranged in a matrix structure, each of the LED devices is a RGB three-color LED with a built-in driving IC; the glass base plate is provided with a plurality of conductive lines extending out of the glass base plate at one end, arranged by rows or by columns, one of the conductive lines corresponds to a row or a column of the plurality of LED devices, the plurality of LED devices in the same row or the same column are connected in parallel on the corresponding conductive line; the end of the plurality of conductive lines extending out of the glass base plate is connected with the switching plate; the glass base plate is provided with a glass panel covering the LED devices through a transparent colloid.

2. The vehicle glazing of claim 1, wherein, The glass base plate is provided with a convex around each LED device, the height of the convex is lower than the height of the LED device, the surface of the convex is provided with a reflective layer, the surface of the convex facing the LED device is a slope extending from top to bottom and towards the LED device.

3. The vehicle glazing of claim 2, wherein, The angle between the slope and the axis of the LED device is not less than 45 degrees.

4. The glazing according to any one of claims 1 to 3, characterized in that, The LED device comprises a transparent substrate, a driving IC and a RGB three-color LED encapsulated on the front surface of the substrate, a plurality of connection terminals corresponding to the pins of the driving IC and arranged on the back surface of the substrate, and the RGB three-color LED and the driving IC are electrically connected.

5. The vehicle glazing of claim 4, wherein, The connection terminal comprises a VDD connection terminal connected with the VDD pin of the driving IC, a GND connection terminal connected with the GND pin of the driving IC, an input connection terminal connected with the input pin of the driving IC, and an output connection terminal connected with the output pin of the driving IC.

6. The vehicle glazing of claim 5, wherein, The VDD connection terminal and the GND connection terminal are diagonally arranged on the back surface of the substrate, and the input connection terminal and the output connection terminal are each provided with one and form four vertices of a quadrilateral with the VDD connection terminal and the GND connection terminal.

7. The vehicle glazing of claim 4, wherein, The front surface of the substrate is further encapsulated with a transparent Zener diode electrically connected with the driving IC.

8. The vehicle glazing of any one of claims 1 to 3, wherein, The driving IC is provided with a memory, and the memory is used to store the address information of the driving IC.

9. The vehicle glazing of any one of claims 1 to 3, wherein, The conductive line is a transparent flexible circuit board or a transparent ITO film line connected with a flexible circuit board at one end extending out of the glass base plate.

10. The vehicle glazing of any one of claims 1 to 3, wherein, It further comprises a transparent frame sleeved on the glass base plate and the sidewall of the glass panel.

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