CN210925306U

CN210925306U - Wireless USB interface double-sided display

Info

Publication number: CN210925306U
Application number: CN201921399416.XU
Authority: CN
Inventors: 王有康
Original assignee: SHENZHEN DELONG HUALE ELECTRONIC TECHNOLOGY CO LTD
Current assignee: SHENZHEN DELONG HUALE ELECTRONIC TECHNOLOGY CO LTD
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-07-03
Anticipated expiration: 2029-08-27

Abstract

The utility model aims to provide an eye-protecting wireless USB interface double-sided display, which comprises a display screen and an interface base; an electrical component PCB, a rotating shaft connector, a wireless USB interface, an electrical component PCB, a VGA interface and an HDMI interface are arranged in the base of the interface base; the capacitive touch screen, the electronic ink screen and the LED display screen of the display screen are completely pasted in a seamless mode by using an optical adhesive full-pasting technology, have the same size and are embedded in the aluminum alloy frame tightly; the capacitive touch screen is arranged at two sides of the display screen, and the electronic ink screen and the LED display screen are sequentially arranged in the middle of the display screen; the aluminum alloy frame is larger than the LED display screen in size and is connected with the base through a rotating shaft connector at the lower part; a wireless USB interface, a VGA interface and an HDMI interface are welded on the PCB of the electrical element; the utility model discloses combine TFT's color display and the harmless demonstration of ink screen, let the user can select the display mode as required.

Description

Wireless USB interface double-sided display

Technical Field

The utility model relates to a display field, concretely relates to wireless USB interface double-sided display.

Background

The existing common liquid crystal display belongs to active light emitting display, and light rays such as blue light which has great harm to eyes and the like are contained in the light rays; the ink screen display belongs to the type of reflecting ambient light, does not generate light, so that the damage to eyes does not exist, but only black and white images can be displayed. The design combines the color display of the TFT and the harmless display of the ink screen, so that a user can select a display mode as required when using the ink-jet printer. Meanwhile, through the optimized design, the power consumption and the number of connecting wires of the display are reduced as much as possible, data are transmitted through a wireless communication technology, and the LED display screen is suitable for an outdoor LED broadcast display instrument.

Disclosure of Invention

To the above problem, the utility model provides a wireless USB interface double-sided display solves the long-time harm problem to eyes facing the display, solves the inconvenient problem of the outdoor receipt information of ordinary display, the utility model discloses a technical scheme as follows:

a wireless USB interface double-sided display comprises a display screen and an interface base; the display screen consists of a capacitive touch screen, an electronic ink screen, an aluminum alloy frame and an LED display screen; an electrical component PCB, a rotating shaft connector, a wireless USB interface, an electrical component PCB, a VGA interface and an HDMI interface are arranged in the base of the interface base; the capacitive touch screen, the electronic ink screen and the LED display screen are completely pasted in a seamless mode by using an optical adhesive full-pasting technology, have the same size and are embedded in the aluminum alloy frame tightly; the capacitive touch screen is arranged at two sides of the display screen, and the electronic ink screen and the LED display screen are sequentially arranged in the middle of the display screen; the aluminum alloy frame is larger than the LED display screen in size and is connected with the base through a rotating shaft connector at the lower part; and a wireless USB interface, a VGA interface and an HDMI interface are welded on the electrical component PCB.

Optionally, the front surface of the base is provided with three interface outlets which are matched with the types and sizes of the three interfaces on the electrical component PCB, and the three interfaces are a wireless USB interface, a VGA interface and an HDMI interface from left to right in sequence; the center of gravity of the wireless USB interface double-sided display is arranged in the middle of the base, and heat dissipation holes are distributed on the side edge of the base.

Optionally, the electronic ink screen is coated with electronic ink consisting of countless tiny transparent particles; the LED display screen is formed by TFT type 16 ten thousand color thin film transistors; the capacitive touch screen is arranged on two sides of the display, can sense the sliding direction of gestures, and is matched with the electronic ink screen and the LED display screen to adjust the brightness, the contrast and the color.

Optionally, the wireless USB interface is a DT-8855 wireless USB interface; the wireless USB interface is internally provided with a USB HUB line, and transfers different data to different data type interfaces including audio, image and text data interfaces through an LVDS channel, an RGB channel and an audio channel respectively.

Optionally, the electrical component PCB board is connected to a video memory of the dual-sided display, the video memory adopts DDR2 video memory standard, and the specific format is 1G SDRAM HY5DU281622 FTP.

Optionally, the wireless USB interface dual-sided display uses a VBUS 5V power supply line as a graphics card bus, the graphics card interface is a PCI-E bus interface, the VCORE voltage distributed to the display core GPU is 1.2V, the voltage distributed to the DDR SDRAM is 2.6V, and the other peripheral circuits and the output interface are 3.3V.

Optionally, the USB interface is connected to a wireless network card with bluetooth inside the base, and transmits the required data by inserting a wireless receiver to interact wifi signals and bluetooth signals and identify a waveband.

According to the above technical scheme, the beneficial effects of the utility model are that: the common display has great harm to eyes, and the product can reduce the harm to the greatest extent by increasing the contrast and the color of the electronic ink screen to adjust the display brightness; the common display has more connecting wires, and the product only needs to be inserted with a wireless receiver suitable for a wireless USB for carrying out various data transmission.

Drawings

FIG. 1 is an exploded view of the product of the present invention;

FIG. 2 is a schematic diagram of the PCB structure of the electrical component of the present invention;

fig. 3 is a schematic view of the present invention;

fig. 4 is a schematic circuit diagram of the display screen of the present invention;

wherein, 1 is capacitive touch screen, 2 is the electron ink screen, 3 is the aluminum alloy frame, 4 is the LED display screen, 5 is the louvre, 6 is the pivot connector, 7 is the base, 8 is wireless USB interface, 9 is electrical components PCB board, 10 is the VGA interface, 11 is the HDMI interface.

The specific implementation mode is as follows:

as shown in fig. 1, a wireless USB interface dual-sided display is constructed, which includes a display screen and an interface base; the display screen consists of a capacitive touch screen 1, an electronic ink screen 2, an aluminum alloy frame 3 and an LED display screen 4; an electrical component PCB 9, a rotating shaft connector 6, a wireless USB interface 8, an electrical component PCB 9, a VGA interface 10 and an HDMI interface 11 are arranged in the base 7 of the interface base; the capacitive touch screen 1, the electronic ink screen 2 and the LED display screen 4 are completely pasted in a seamless mode by using an optical adhesive full-pasting technology, have the same size and are embedded in the aluminum alloy frame 3 tightly; the capacitive touch screen 1 is arranged at two sides of the display screen, and the electronic ink screen 2 and the LED display screen 4 are arranged in the middle of the display screen in sequence; the aluminum alloy frame 3 is larger than the LED display screen 4 in size and is connected with the base 7 through the rotating shaft connector 6 at the lower part; the electrical component PCB 9 is welded with a wireless USB interface 8, a VGA interface 10 and an HDMI interface 11. The double-sided display is provided for users, and face-to-face teaching and multi-person information browsing are facilitated.

As shown in fig. 2, three outlets of the interface are arranged on the front surface of the base 7, the three outlets are matched with the three types and sizes of the interface on the electrical component PCB 9, and the wireless USB interface 8, the VGA interface 10 and the HDMI interface 11 are arranged from left to right in sequence; the base 7 is heavy, so that the center of gravity of the product is low; the heat dissipation holes 5 are distributed on the side of the base 7. The cooling of the base is facilitated, the display is stabilized, and the display is not easy to be turned upside down to cause damage.

The electronic ink screen 2 is coated with electronic ink consisting of countless tiny transparent particles; the LED display screen 4 is formed by a TFT type 16-ten-thousand-color thin film transistor; capacitive touch screen 1 can perception gesture sliding direction at the display two sides to cooperate electron ink screen 2, LED display screen 4 to adjust luminance, contrast and colour. As shown in fig. 4, the control circuit of the display screen is a conventional circuit. The display screen is beneficial to protecting eyes by adjusting brightness, contrast and color.

As shown in fig. 3, the wireless USB interface is a DT-8855 wireless USB interface; the wireless USB interface contains a USBHUB line, and transfers different data to different data type interfaces including audio, image and text data interfaces through LVDS channel, RGB channel and audio channel. The transmitted data can be transmitted to different interface objects for data processing and display.

The electrical element PCB board 9 is connected with a video memory of the double-sided display, the video memory adopts DDR2 video memory standard, and the specific format is 1G SDRAM HY5DU281622 FTP.

The wireless USB interface double-sided display adopts a VBUS 5V power supply line as a display card bus, the display card interface is a PCI-E bus interface, the VCORE voltage distributed to a display core GPU is 1.2V, the VCORE voltage distributed to a DDR SDRAM is 2.6V, and other peripheral circuits and output interfaces are 3.3V.

The wireless USB interface is connected with the wireless network card with the Bluetooth inside the base 7, and required data are transmitted by inserting wireless receiver interaction wifi signals, Bluetooth signals and identifying wave bands, so that convenience is provided for display maintenance and management personnel, the array can be lightly installed, and the number of the carried devices is reduced.

The wireless USB interface 8 of the double-sided display of the wireless USB interface is suitable for outdoor portable notebooks and outdoor broadcasting display instruments, carries out wireless communication transmission data by inserting a receiver, and other devices do not need to be installed by hands in bad weather such as rainy days.

Claims

1. A wireless USB interface double-sided display comprises a display screen and an interface base; the display screen consists of a capacitive touch screen, an electronic ink screen, an aluminum alloy frame and an LED display screen; an electrical component PCB, a rotating shaft connector, a wireless USB interface, an electrical component PCB, a VGA interface and an HDMI interface are arranged in the base of the interface base; the capacitive touch screen, the electronic ink screen and the LED display screen are completely pasted in a seamless mode by using an optical adhesive full-pasting technology, have the same size and are embedded in the aluminum alloy frame tightly; the capacitive touch screen is arranged at two sides of the display screen, and the electronic ink screen and the LED display screen are sequentially arranged in the middle of the display screen; the aluminum alloy frame is larger than the LED display screen in size and is connected with the base through a rotating shaft connector at the lower part; a wireless USB interface, a VGA interface and an HDMI interface are welded on the electrical component PCB;

the method is characterized in that: the wireless USB interface is DT-8855 wireless USB; the wireless USB interface contains a USBHUB line, and transfers different data to different data type interfaces including audio, image and text data interfaces through an LVDS channel, an RGB channel and an audio channel respectively;

the wireless USB interface is connected with a wireless network card with Bluetooth inside the base, and transmits required data by inserting a wireless receiver to interact with wifi signals and Bluetooth signals and identify wave bands.

2. The wireless USB interface dual-sided display of claim 1, wherein: the front side of the base is provided with three interface outlets which are matched with the types and sizes of three interfaces on the PCB of the electrical element and are a wireless USB interface, a VGA interface and an HDMI interface from left to right in sequence; the center of gravity of the wireless USB interface double-sided display is arranged in the middle of the base, and heat dissipation holes are distributed on the side edge of the base.

3. The wireless USB interface dual-sided display of claim 1, wherein: the electronic ink screen is coated with electronic ink consisting of countless tiny transparent particles; the LED display screen is formed by TFT type 16 ten thousand color thin film transistors; the capacitive touch screen is arranged on two sides of the display, can sense the sliding direction of gestures, and is matched with the electronic ink screen and the LED display screen to adjust the brightness, the contrast and the color.

4. The wireless USB interface dual-sided display of claim 1, wherein: the PCB board of the electrical element is connected with a video memory of the double-sided display, the video memory adopts DDR2 video memory standard, and the specific format is 1G SDRAM HY5DU281622 FTP.

5. The wireless USB interface dual-sided display of claim 1, wherein: the wireless USB interface double-sided display adopts a VBUS 5V power supply line as a display card bus, the display card interface is a PCI-E bus interface, the VCORE voltage distributed to a display core GPU is 1.2V, the VCORE voltage distributed to a DDR SDRAM is 2.6V, and other peripheral circuits and output interfaces are 3.3V.