Transparent display screen applied to glass curtain wall and installation method

Abstract

The invention provides a transparent display screen applied to a glass curtain wall and an installation method. The transparent display screen comprises a first display assembly and a second display assembly. The first display assembly comprises a transparent base material, a plurality of first LED lamp beads and a first display interface; the second display assembly comprises an outer box, a plurality of second LED lamp beads, a power module, a communication module, a control module, a second display interface and a wiring port. The outer box is provided with a light-transmitting part, so that light rays emitted by the second LED lamp beads can be transmitted out; the light-emitting surfaces of the second LED lamp beads and the first LED lamp beads face the same direction, and a pixel matrix unit is formed by the second LED lamp beads and the first LED lamp beads; the control module is used for synchronously controlling the display of a pixel matrix unit formed by the first LED lamp beads and the second LED lamp beads; and the wiring port is used for connecting superior equipment and subordinate equipment, so that the plurality of second display assemblies can be connected in series one by one to receive a building power supply and display signals. The system has small influence on lighting and visual field of indoor personnel, can realize complete display of images, and is convenient to install and arrange wires.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building glass curtain wall display screen, and particularly relates to a transparent display screen applied to a glass curtain wall and a mounting method. BACKGROUND

[0002] With the development of city landscape lighting and building media facade, transparent display screens are widely used on glass curtain walls of commercial complexes, office buildings and city landmark buildings, which can realize information display or dynamic visual effect without affecting building daylighting. The existing transparent display screen usually adopts a transparent LED module structure, which realizes display coverage of the building facade by fixing LED light strips or dot matrix structures on the glass curtain wall keel or support frame.

[0003] The existing transparent display screen arranged on the glass curtain wall includes: (1) LED display screen or point light source mounted on the outside of the glass curtain wall keel, which does not block the view of indoor personnel, but cannot display the image completely, and the display effect is not ideal. (2) Photoelectric glass, which is formed by laser etching lines on conductive glass and embedding LED beads, can be directly installed on the keel to form a glass curtain wall, but the keel needs to reserve power supply, communication lines and interfaces for photoelectric glass, the overall cost is high, and there is no display at non-glass parts, affecting the continuity of overall image display and visual effect. (3) Sticker screen, LED beads are arranged on transparent substrates and connected by transparent wires, which can be attached to the inner surface of the glass curtain wall for wiring, and the cost is lower than that of photoelectric glass, but it also cannot display the image completely. (4) Grid screen and net screen, LED beads are arranged on the grid or net reinforcing structure, which can be erected or hung on the outside of the glass curtain wall to cover the outside of the building. For indoor personnel, the grid or net reinforcing structure will significantly reduce the overall light transmission performance, causing indoor natural lighting to be blocked, and indoor personnel may feel oppressed and closed when moving behind the transparent display screen, affecting the comfort of building use. Moreover, the transparent display screen usually adopts multiple display modules to form a whole display surface, and there are non-display areas such as structural frame, connector and safety distance between the modules, which inevitably produce black edges at the module splicing position, especially when displaying in a large area, the black edge phenomenon is more obvious, affecting the overall display continuity and visual effect. At the same time, since the curtain wall keel structure has been fixed, the module size and splicing method are limited, and it is difficult to adjust flexibly according to the building facade form.

[0004] The existing display device arranged on the glass curtain wall cannot simultaneously meet the requirements of not affecting the daylighting and view of indoor personnel, complete image display matching the building facade, and convenient installation, and a new type of LED display device applied to the glass curtain wall is needed to solve this problem. SUMMARY

[0005] This invention proposes a transparent display screen and installation method for glass curtain walls, which reduces the impact on indoor lighting and visibility while achieving complete image display that fits the building facade, and is convenient for installation and wiring.

[0006] This invention provides the following solution: According to a first aspect, the present invention provides a transparent display screen for use in glass curtain walls, comprising a first display component and a second display component; The first display component includes a transparent substrate, a plurality of first LED beads disposed on the transparent substrate, and a first display interface; the first LED beads are electrically connected to the first display interface through transparent wires; The second display component includes an outer casing, and a plurality of second LED beads, a power module, a communication module, a control module, a second display interface, and a wiring port disposed within the outer casing. The outer casing has a light-transmitting portion through which the light emitted by the second LED beads can pass. The second LED beads are electrically connected to the second display interface, which is used to electrically connect to the first display interface. The light-emitting surfaces of the second LED beads and the first LED beads face the same direction, forming a pixel matrix unit. The power module is used to convert the input building power supply into a power supply adapted to power the first LED beads, the second LED beads, the communication module, and the control module. The communication module is used to receive display signals sent by the upstream display control device and transmit them to the control module. The control module is used to synchronously control the display of the pixel matrix unit composed of the first LED beads and the second LED beads. The wiring port is used to connect the upper-level device and the lower-level device, enabling the plurality of second display components to be connected in series one by one to receive building power, or to receive building power and display signals and transmit them to the lower-level device.

[0007] In some embodiments, the connection port includes a first power interface and a second power interface, both of which are connected to the power module. The first power interface is used to connect to the building power supply or the second source interface of the previous second display component.

[0008] In some embodiments, the connection port further includes a first communication interface and a second communication interface, both of which are connected to the communication module. The first communication interface is used to connect to the upstream display control device or the second communication interface of the previous second display component.

[0009] In some embodiments, the first power interface and the first communication interface are combined to form a first composite interface, and the second power interface and the second communication interface are combined to form a second composite interface.

[0010] In some embodiments, the outer box includes an upper box body and a lower box body. The upper box body has multiple hollow holes at the projection position of the second LED bead, and light guide columns are provided in the hollow holes. The side of the lower box body has a display wiring hole, through which the conductive medium connecting the first display interface and the second display interface can pass.

[0011] In some embodiments, the row pixels of the pixel matrix unit include the first LED bead and the second LED bead. Both the first LED bead and the second LED bead are integrated LED bead with a zero-code driver, including a light-emitting chip and a driver chip, and include power pins, ground pins, data input pins and data output pins. The data input pins of the first column of pixels in the pixel matrix unit are connected to the data pins of the control module, and the data input pins of the remaining columns of pixels in the pixel matrix unit are connected to the data output pins of the previous column of pixels. The power pins of each row of pixels in the pixel matrix unit are connected to the positive line of the input power supply, and the ground pins of each row of pixels in the pixel matrix unit are connected to the negative line of the input power supply.

[0012] In some embodiments, the row pixels of the pixel matrix unit include the first LED and the second LED. Both the first and the second LED are address code integrated LEDs, including a light-emitting chip and a driver chip, and include power pins, ground pins and data input pins. The data input pins of each row of pixels in the pixel matrix unit are connected to the data pins of the corresponding row of the control module. The power pins of each row of pixels in the pixel matrix unit are connected to the positive line of the input power supply, and the ground pins of each row of pixels in the pixel matrix unit are connected to the negative line of the input power supply.

[0013] In some embodiments, the row pixels of the pixel matrix unit include the first LED bead and the second LED bead, wherein the second LED bead is a controlled LED bead that includes only a light-emitting chip, and the first LED bead includes a super LED bead; the super LED bead includes a light-emitting chip, a driver chip, a power supply pin, a ground pin, a pixel access pin, a data input pin, and a data output pin; the driver chip includes a voltage regulator unit, a light-emitting control unit, a main control unit, and a switching unit; The power supply input terminal of the voltage regulator unit is connected to the input power supply through a power supply pin and a ground pin, which is used to power the driver chip. The light-emitting control unit is connected to the light-emitting chip and the pixel access pin, and is used to control the light-emitting state of the light-emitting chip or the connected controlled LED beads; the pixel access pin is connected to the conductive terminal of the controlled LED beads; The main control unit is connected to the light-emitting control unit, data input pin, and data output pin. It is used to receive control data from upstream devices and send control data to downstream devices. Based on the control data of the light-emitting chip and the connected controlled LED beads obtained from the data stream, the light-emitting control unit controls the light-emitting state of the light-emitting chip and multiple connected controlled LED beads. When the super LED bead is in the first column of pixels, the data input pin is connected to the data output terminal of the control module. When the super LED bead is in other columns of pixels, the data input pin is connected to the data output pin of the previous super LED bead. The switching unit is connected between the power supply pin and the power supply terminal of the light-emitting chip, and is used to turn the power supply pin and the power supply terminal of the light-emitting chip on or off according to the control of the main control unit; the row scan output ports of the control module, except for the first row, are respectively connected to the positive power supply terminals of each row of pixels, and the control module controls the power supply to each row of pixels row by row.

[0014] In some embodiments, the light-emitting control unit includes a brightness control subunit and / or a grayscale control subunit. The negative power supply terminal of the light-emitting chip or the controlled LED bead is electrically connected to the negative terminal of the input power supply through the brightness control subunit and / or the grayscale control subunit. The brightness control subunit is used to control the brightness of the light-emitting chip or the connected controlled LED bead, and the grayscale control subunit is used to control the grayscale level of each color channel of the light-emitting chip or the connected controlled LED bead.

[0015] According to a second aspect, this application provides a method for installing a transparent display screen for glass curtain walls, implemented using the transparent display screen for glass curtain walls described in the first aspect, comprising: The second display component is installed on the outer surface of the keel of the glass curtain wall; The first display component is attached to the outer surface of the glass curtain wall, so that the first LED beads on the first display component and the second LED beads on the second display component form a pixel matrix unit; The first display interface and the second display interface are connected using a conductive medium; Multiple second display components are connected in series through the terminal block; Connect the wiring port of the second display component located at the first end to the building's power supply and / or control equipment.

[0016] This application has the following advantages compared with the prior art: The transparent display screen and installation method proposed in this application for glass curtain walls reduce the impact on indoor lighting and visibility by setting a first display component with a transparent substrate and transparent wires on the outer surface of the curtain wall glass. By setting a second display component with multiple second LED beads on the outer surface of the keel, and synchronously controlling the display of the pixel matrix unit composed of the first and second LED beads through a control module located on the second display component, the shortcomings of existing technologies such as photoelectric glass and film screens, which cannot display on non-glass areas, are overcome. This reduces the non-display area at the splicing point of the display units, enables complete image display, and allows the display area to be flexibly adjusted according to the building facade shape. Furthermore, by setting a wiring port on the second display component, multiple second display components located on the same column or beam can be connected in series to receive building power and display signals and transmit them to lower-level devices, solving the problem of additional wiring required for display screens installed outside glass curtain walls and simplifying the installation process. The transparent display screen and installation method for glass curtain walls proposed in this invention can reduce the impact on indoor lighting and vision, while achieving complete image display that fits the building facade, and is convenient for installation and wiring.

[0017] Furthermore, the pixel matrix unit in this application embodiment uses super LED beads connected to multiple controlled LED beads to control the light-emitting chip of the super LED beads themselves and the light-emitting state of the connected controlled LED beads. If some of the connected controlled LED beads are damaged, it will not affect the working state and signal control of the remaining controlled LED beads, thus improving the stability of the transparent display screen. The controlled LED beads only include light-emitting chips and do not include driver chips, which can reduce the cost of the transparent display screen. Attached Figure Description

[0018] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of Example 1 applied to a glass curtain wall; Figure 2 This is a schematic diagram of the structure of the first display component in Embodiment 1; Figure 3 This is a schematic diagram of the second display component in Embodiment 1; Figure 4 This is an exploded view of the second display component in Embodiment 1; Figure 5This is another schematic diagram of Example 1 applied to a glass curtain wall; Figure 6 This is another structural schematic diagram of the first display component in Embodiment 1; Figure 7 This is the electrical structure block diagram of Embodiment 1; Figure 8 This is an electrical structure block diagram of multiple second display components connected in series in Embodiment 1; Figure 9 This is a schematic diagram of the wiring port in Embodiment 1; Figure 10 This is another schematic diagram of the wiring port in Embodiment 1; Figure 11 This is another schematic diagram of the wiring port in Embodiment 1; Figure 12 This is a schematic diagram of the electrical connection between the control module, the first LED bead, and the second LED bead in Embodiment 1. Figure 13 This is another electrical connection diagram of the control module, the first LED bead, and the second LED bead in Embodiment 1; Figure 14 This is another electrical connection diagram of the control module, the first LED bead, and the second LED bead in Embodiment 1; Figure 15 This is another electrical connection diagram of the control module, the first LED bead, and the second LED bead in Embodiment 1; Figure 16 This is a schematic diagram of the super LED lamp bead structure in Example 1; Figure 17 This is a schematic diagram showing the connection between the super LED lamp bead light-emitting control unit, the switching unit, the main control unit, and the light-emitting chip in Embodiment 1. Figure 18 This is a flowchart of Example 2.

[0020] In the picture: 100. First display component; 110. Transparent substrate; 120. First LED bead; 130. First display interface; 200. Second display component; 210. Outer box; 211. Upper box body; 2111. Hole; 2112. Light guide column; 2113. Wiring hole; 212. Lower box body; 213. Circuit board; 214. Waterproof end; 2121. Display wiring hole; 220. Second LED bead; 230. Power module; 240. Communication module; 250. Control module; 260. Second display interface; 270. Wiring port; 271. First power interface; 272. Second power interface; 273. First communication interface; 274. Second communication interface; 275. First composite interface; 276. Second composite interface; 510. Keel; 511. Column; 512. Beam. Detailed Implementation

[0021] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] Example 1 See Figures 1 to 17 This invention proposes a transparent display screen for use in glass curtain walls, comprising a first display component 100 and a second display component 200. The glass curtain wall of the building includes a frame 510 and curtain wall glass, wherein the frame 510 includes columns 511 and beams 512.

[0023] The first display component 100 includes a transparent substrate 110, a plurality of first LED beads 120 disposed on the transparent substrate 110, and a first display interface 130. The first LED beads 120 are electrically connected to the first display interface 130 via transparent wires. The first display component 100 can be attached to the outer surface of a curtain wall glass, with the light-emitting surface of the first LED beads 120 facing away from the building.

[0024] The second display component 200 is disposed on the outer surface of the keel 510 of the glass curtain wall and can be fixed by adhesive, screw connection, snap-fit, or other methods. Depending on the actual project requirements, the second display component 200 can be disposed on the columns 511 or beams 512 of the keel 510. Figure 1 In the middle, the second display component 200 is disposed on the column 511. For frameless curtain walls, the second display component 200 can be disposed at the glass joint.

[0025] The second display component 200 includes an outer casing 210, and a plurality of second LED beads 220, a power module 230, a communication module 240, a control module 250, a second display interface 260, and a wiring port 270 disposed in the outer casing 210. The outer casing 210 has a light-transmitting part, through which light emitted by the second LED beads 220 can pass. The second LED beads 220 are electrically connected to the second display interface 260, which is used to electrically connect to the first display interface 130. The emitting surfaces of the second LED beads 220 and the first LED beads 120 face the same direction and are both controlled to be lit by the control module 250, together forming a pixel matrix unit.

[0026] In some embodiments, the first display interface 130 and the second display interface 260 may be FPC ribbon cable connectors, FFC ribbon cable connectors, dense header connectors, or gold finger connectors, etc. Correspondingly, the conductive medium of the first display interface 130 and the second display interface 260 may be FPC ribbon cables, FPC connecting pieces, FFC ribbon cables, dense header connecting wires, or PCB connecting boards, etc.

[0027] In some embodiments, the first display interface 130 and the first LED lamp bead 120, which are connected to multiple second display components 200, may be disposed on the same transparent substrate 110.

[0028] The power module 230 converts the input building power supply into a power supply compatible with the first LED bead 120, the second LED bead 220, the communication module 240, and the control module 250. In some embodiments, the input building power supply is AC mains power, i.e., 220V AC power, and the power module 230 can rectify and step down the building power supply. In some embodiments, the input building power supply is DC power such as 48V or 24V, and the power module 230 can step down the building power supply.

[0029] The communication module 240 is used to receive display signals sent by the upstream display control device and transmit them to the control module 250. The communication module 240 can receive display signals from the upstream display control device via a wired network, such as Ethernet, CAN bus, or industrial data communication bus. Accordingly, the communication module 240 can be an Ethernet module, a CAN bus module, or an industrial data communication bus module. The communication module 240 can also receive display signals from the upstream display control device via a wireless network, such as Wi-Fi, Bluetooth, or 3G / 4G / 5G mobile communication networks. Accordingly, the communication module 240 can be a Wi-Fi module, a Bluetooth module, or a 3G / 4G / 5G mobile communication module. The upstream display control device may include a video server, a switch, a splicing controller, and a split-screen controller. Split-screen control and data transmission of large-format display devices are existing technologies and will not be elaborated upon in this application.

[0030] The control module 250 is used to synchronously control the display of the pixel matrix unit composed of the first LED bead 120 and the second LED bead 220. The control module 250 can be implemented using a microprocessor (MCU) and function expansion peripheral chips.

[0031] The connection port 270 is used to connect upstream and downstream devices, enabling multiple second display components 200 located on the same column 511 or beam 512 to be connected in series to receive building power, or to receive building power and display signals and transmit them to downstream devices. The building power and display control equipment is distributed throughout the building according to project requirements; for example, one unit may be installed at the top of each column, or all units may be installed on the top floor of the building, or one unit may be installed at intervals of several floors.

[0032] It should be noted that the first display component 100 is primarily disposed on the outer surface of the building's curtain wall glass. In some embodiments, when the second display component 200 is disposed on the column 511 of the glass curtain wall, if the crossbeam 512 is relatively wide, the first display component 100 can also be disposed at the crossbeam 512, such as... Figure 7 and Figure 8 As shown. In addition, depending on the actual engineering requirements, the second LED beads 220 can be arranged in one or more columns.

[0033] The transparent display screen for glass curtain walls proposed in this invention reduces the impact on the view of people inside by setting a first display component 100 with a transparent substrate 110 and transparent wires on the outer surface of the curtain wall glass; by setting a second display component 200 with multiple second LED beads 220 on the outer surface of the keel 510, and by synchronously controlling the display of the pixel matrix unit composed of the first LED beads 120 and the second LED beads 220 through a control module 250 set in the second display component 200, it overcomes the shortcomings of existing technologies such as photoelectric glass and film screens that cannot display on non-glass parts, reduces the non-display area at the splicing of display units, displays the image completely, and allows the display area to be flexibly adjusted according to the shape of the building facade; by setting a wiring port 270 in the second display component 200, multiple second display components 200 located on the same column or beam can be connected in series to receive building power or receive building power and display signals and transmit them to lower-level devices, solving the problem of additional wiring required for setting up a display screen outside the glass curtain wall and simplifying the installation process of setting up a display screen outside the glass curtain wall. The transparent display screen for glass curtain walls proposed in this invention reduces the impact on indoor lighting and visibility, while enabling images to be fully displayed on the building facade and facilitating installation and wiring.

[0034] In some embodiments, see Figure 9The connection port 270 includes a first power interface 271 and a second power interface 272. Both the first power interface 271 and the second power interface 272 are connected to the power module 230. The first power interface 271 is used to connect to the building power supply or the second power interface 272 of the previous second display component 200. In some embodiments, the first power interface 271 and the second power interface 272 are internally connected, allowing the input terminals of the power modules 230 of each series-connected second display component 200 to be connected in parallel with the output terminal of the building power supply.

[0035] In some embodiments, see Figure 10 The connection port 270 also includes a first communication interface 273 and a second communication interface 274. Both the first communication interface 273 and the second communication interface 274 are connected to the communication module 240. The first communication interface 273 is used to connect to an upstream display control device or the second communication interface 274 of a previous second display component 200. In some embodiments, the communication modules 240 of multiple second display components 200 can be connected in series through the first communication interface 273 and the second communication interface 274.

[0036] In some embodiments, see Figure 11 The first power interface 271 and the first communication interface 273 are combined to form the first composite interface 275, and the second power interface 272 and the second communication interface 274 are combined to form the second composite interface 276. Both the first composite interface 275 and the second composite interface 276 include power terminals and communication terminals.

[0037] In some embodiments, see Figure 3 and Figure 4 The outer box 210 includes an upper box body 211 and a lower box body 212. The upper box body 211 has multiple perforated holes 2111 at the projection position of the second LED bead 220. Light guide columns 2112 are installed within the perforated holes 2111, allowing light emitted from the second LED bead 220 to be transmitted to the outside of the outer box 210 via the light guide columns 2112. The lower box body 212 has a display wiring hole 2121 on its side, through which a conductive medium connecting the first display interface 130 and the second display interface 260 can pass. In some embodiments, the display wiring hole 2121 is waterproofed by using a waterproof gasket or applying waterproof adhesive.

[0038] In some embodiments, the light-transmitting portion of the outer box 210 is formed from the transparent material of the upper box body 211. As an example, this can be achieved by: the upper box body 211 being entirely made of transparent material; after the surface is painted, the light-transmitting area is laser-engraved to expose the original transparent material, thus achieving light transmission.

[0039] In some embodiments, a circuit board 213 is provided inside the outer box 210, and the second LED bead 220, power module 230, communication module 240, control module 250 and second display interface 260 are all disposed on the circuit board 213.

[0040] In some embodiments, the connection port 270 is a waterproof cable interface, which can be connected to the power module 230 and the communication module 240 via wires. The upper housing 211 is provided with a wiring hole 2113, and the waterproof cable interface is fixed in the wiring hole 2113 via a waterproof end 214.

[0041] In some implementations, the wiring port 270 may be a hard connector located at both ends of the outer box 210, and the second display component 200 may be directly connected in series via the hard connector.

[0042] In some embodiments, see Figure 12 The pixel matrix unit's row pixels include a first LED bead 120 and a second LED bead 220. Both the first LED bead 120 and the second LED bead 220 are integrated LED beads with a reset code, including a light-emitting chip and a driver chip, and include a power supply pin VDD, a ground pin GND, a data input pin DIN, and a data output pin DOUT. The data input pin DIN of the first column of pixels in the pixel matrix unit is connected to the data pin of the control module 250, and the data input pin DIN of the remaining columns of pixels in the pixel matrix unit is connected to the data output pin DOUT of the previous column of pixels. The power supply pin VDD of each row of pixels in the pixel matrix unit is connected to the positive power supply line, and the ground pin GND of each row of pixels in the pixel matrix unit is connected to the negative power supply line. The input power is provided by the power supply module 230.

[0043] The zero-code integrated LED driver bead controls the conduction current and frequency of three color light-emitting chips through a driver chip. The driver chip can realize the display control of the pixel matrix unit through serial data transmission using zero-code, including: the control module 250 simultaneously outputs N sets of control signals to control the display of N rows of pixels; for each row of pixels, M LED beads are connected in parallel between the positive and negative terminals of the power supply; the control signal is output from the main control board to the signal input pin DIN of the first LED bead, and the signal input pin DIN of each subsequent LED bead is connected to the signal output pin DOUT of the previous LED bead; the control module outputs N control signals to each row of pixels, and each LED bead, after receiving its own control signal, transmits the remaining control signals to the next LED bead. The zero-code integrated LED driver bead is existing technology, and its internal structure will not be described in detail.

[0044] In some embodiments, in the zero-code integrated LED driver chip, the data input pin DIN and the data output pin DOUT are redundant, so that subsequent LED chips can still function normally in the event of a one-pixel failure. See, as an example... Figure 13 The data input pins of the zero-code integrated LED driver are DIN1 and DIN2, and the data output pins are DOUT1 and DOUT2. The data input pins DIN1 and DIN2 of the first column of pixels are connected to the data output terminal of the control module. The DIN1 pin of the remaining columns of pixels is connected to the DOUT1 pin of the previous column of pixels, and the DIN2 pin is connected to the DOUT2 pin of the previous column of pixels. The pads of the DIN2 and DOUT2 pins are connected, so that when the current pixel fails, the control signal can be transmitted to the next pixel through the path of the DIN2 and DOUT2 pins.

[0045] In some embodiments, see Figure 14 The row pixels of the pixel matrix unit include a first LED bead 120 and a second LED bead 220. Both the first LED bead 120 and the second LED bead 220 are address-coded integrated LED beads, including a light-emitting chip and a driver chip, and include a power supply pin VDD, a ground pin GND, and a data input pin DIN. The data input pin DIN of each row pixel of the pixel matrix unit is connected to the corresponding data pin of the control module 250. The power supply pin VDD of each row pixel of the pixel matrix unit is connected to the positive line of the input power supply, and the ground pin GND of each row pixel of the pixel matrix unit is connected to the negative line of the input power supply. The input power is provided by the power supply module 230.

[0046] Address-code integrated LED beads control the conduction current and frequency of three-color light-emitting chips through a driver chip. The driver chip can achieve display control of the pixel matrix unit by transmitting data in parallel using address codes. This includes: the control module 250 simultaneously outputs N sets of control signals to control the display of N rows of pixels. For each row of pixels, M LED beads are connected in parallel between the positive and negative terminals of the power supply. The signal input pin DIN of each LED bead is sequentially connected in parallel to a signal input line. The main control board inputs M control signals to each row of pixels. Each control signal includes display data and address information. The address information of each LED bead is fixed at the factory, forming the address-code LED bead. Address-code integrated LED beads are existing technology, and their internal structure will not be described in detail.

[0047] In some embodiments, see Figure 15The row pixels of the pixel matrix unit include a first LED bead 120 and a second LED bead 220. The second LED bead 220 is a controlled LED bead that only includes a light-emitting chip, which can reduce the cost of the transparent display screen. The first LED bead 120 includes a super LED bead, which is located at the beginning of the row pixel.

[0048] See Figure 16 Super LED beads consist of a light-emitting chip and a driver chip, and include power supply pins (VDD), ground pins (GND), pixel access pins (CRL, CGL, CBL), data input pins (SDI), and data output pins (SDO). The light-emitting chips include red-emitting, green-emitting, and blue-emitting chips.

[0049] The driver chip includes a voltage regulator unit, a light-emitting control unit, a main control unit, and a switching unit. The power supply input terminal of the voltage regulator unit is connected to the input power supply through the power supply pin VDD and the ground pin GND to power the driver chip. The input power supply is provided by the power supply module 230.

[0050] The light-emitting control unit connects the light-emitting chip and the pixel access pins (CRL, CGL, CBL) to control the light-emitting state of the light-emitting chip or the connected controlled LED beads. The pixel access pins (CRL, CGL, CBL) are used to connect to the conductive terminals of the controlled LED beads.

[0051] The main control unit connects to the light-emitting control unit, the data input pin SDI, and the data output pin SDO. It is used to receive control data from upstream devices and send control data to downstream devices. Based on the control data of the light-emitting chip and the connected controlled LED beads obtained from the data stream, the light-emitting control unit controls the light-emitting state of the light-emitting chip and multiple connected controlled LED beads. When the super LED bead is in the first column of pixels, the data input pin SDI is connected to the data output terminal of the control module 250. When the super LED bead is in other columns of pixels, the data input pin SDI is connected to the data output pin SDO of the previous super LED bead.

[0052] The switching unit is connected between the power supply pin VDD and the power supply terminal of the LED chip. It is used to switch the power supply pin VDD and the LED chip on or off according to the control of the main control unit, thus providing a row scan signal to the LED chip inside the super LED. This row scan signal can be obtained from the data stream received by the main control unit. The row scan output ports of the control module 250, except for the first row, are connected to the positive power supply terminals of each row of pixels. The control module 250 controls the power supply to each row of pixels sequentially.

[0053] The pixel matrix unit in this embodiment uses super LED beads connected to multiple controlled LED beads to control the light-emitting chip of the super LED bead itself and the light-emitting state of the connected controlled LED beads. If some of the connected controlled LED beads are damaged, it will not affect the working state and signal control of the remaining controlled LED beads, thus improving the stability of the transparent display screen. The controlled LED beads only include the light-emitting chip and do not include the driver chip, which can reduce the cost of the transparent display screen.

[0054] In some embodiments, see Figure 17 Taking a light-emitting chip connected to a color channel of a super LED or a controlled LED as an example, the light-emitting control unit includes a brightness control subunit and / or a grayscale control subunit. The negative power supply terminal of the light-emitting chip or the controlled LED is electrically connected to the negative terminal of the input power supply through the brightness control subunit and / or the grayscale control subunit. The brightness control subunit is used to control the brightness of the light-emitting chip or the connected controlled LED, and the grayscale control subunit is used to control the grayscale level of each color channel of the light-emitting chip or the connected controlled LED.

[0055] In some implementations, the brightness control subunit includes a constant current source composed of an operational amplifier U1 and an NMOS transistor Q1. The positive input terminal of the operational amplifier U1 is connected to a reference voltage, which can be obtained by the main control unit outputting data and passing through a digital-to-analog converter. The negative input terminal of the operational amplifier U1 is electrically connected to the negative power supply terminal of the light-emitting device, thereby obtaining the current of the light-emitting device. The output terminal of the operational amplifier is connected to the gate of the NMOS transistor Q1, the drain of the NMOS transistor Q1 is electrically connected to the negative power supply terminal of the light-emitting device, and the source of the NMOS transistor Q1 is electrically connected to the negative terminal of the input power supply. Thus, the current of the light-emitting device can be stabilized by the operational amplifier U1 and the NMOS transistor Q1, and the current of the light-emitting device can be adjusted according to the data output by the main control unit, thereby adjusting the brightness of the light-emitting device.

[0056] In some implementations, the grayscale control subunit includes a switch K1 and a PWM waveform generator. The switch K1 is electrically connected between the negative power supply terminal of the light-emitting device and the negative power supply terminal of the external power supply. The main control unit outputs data to generate a PWM wave with a specified duty cycle through the PWM waveform generator. The PWM wave controls the on and off of the switch K1, thereby adjusting the grayscale level of each color channel.

[0057] In some implementations, the switching unit includes a PMOS transistor Q2. When the main control unit controls the voltage difference between the source and gate of the PMOS transistor Q2 to be greater than the turn-on voltage, the PMOS transistor Q2 is turned on, and the input power supply supplies power to the light-emitting chip of the super LED lamp bead through the PMOS transistor Q2.

[0058] In some embodiments, the row pixels of the pixel matrix unit include a first LED bead 120 and a second LED bead 220. The second LED bead 220 is a controlled LED bead that includes only a light-emitting chip, and the first LED bead 120 includes the multi-pixel master-controlled LED bead disclosed in Chinese Patent CN202511431264.7.

[0059] Example 2 See Figure 18 This application provides a method for installing a transparent display screen for glass curtain walls, implemented using a transparent display screen for glass curtain walls according to Embodiment 1, including steps S10 to S50.

[0060] S10: Install the second display component on the outer surface of the keel of the glass curtain wall.

[0061] S20: Attach the first display component to the outer surface of the glass curtain wall, so that the first LED beads on the first display component and the second LED beads on the second display component form a pixel matrix unit.

[0062] S30: Connect the first display interface and the second display interface using a conductive medium.

[0063] S40: Connects multiple second display components in series via the wiring port.

[0064] S50: Connect the wiring port of the second display component located at the front end to the building power supply, or to the building power supply and display control equipment.

[0065] The transparent display screen installation method for glass curtain walls proposed in this invention reduces the impact on indoor lighting and visibility, while enabling complete image display that fits the building facade, and facilitating installation and wiring.

[0066] It will be understood by those skilled in the art that, unless otherwise defined, all terms used herein (including technical and scientific terms) have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. It should also be understood that terms such as those defined in general dictionaries should be understood to have the same meaning as in the context of the prior art and should not be interpreted in an idealized or overly formal sense unless specifically defined.

[0067] It should be noted that certain terms are used in this specification to refer to specific components. Those skilled in the art will understand that different manufacturers and producers may use different terms to refer to the same component. This specification does not distinguish components based on differences in terminology, but rather on differences in their functions.

[0068] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0069] Furthermore, those skilled in the art will understand that although some embodiments described herein include certain features included in other embodiments but not others, combinations of features from different embodiments are meant to be within the scope of the invention and form different embodiments.

[0070] Those skilled in the art will understand that modules in the device of the embodiments can be adaptively changed and placed in one or more devices different from that embodiment. Modules, units, or components in the embodiments can be combined into a single module, unit, or component, and further, they can be divided into multiple sub-modules, sub-units, or sub-components. Except where at least some of such features and / or processes or units are mutually exclusive, any combination can be used to combine all features disclosed herein and all processes or units of any method or device so disclosed. Unless expressly stated otherwise, each feature disclosed herein may be replaced by an alternative feature that serves the same, equivalent, or similar purpose.

[0071] In the description of this invention, it should be understood that the terms "longitudinal," "radial," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. In the description of this invention, unless otherwise stated, "a plurality of" means two or more.

[0072] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0073] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A transparent display screen for use in glass curtain walls, characterized in that, Includes a first display component and a second display component; The first display component includes a transparent substrate, a plurality of first LED beads disposed on the transparent substrate, and a first display interface; the first LED beads are electrically connected to the first display interface through transparent wires; The second display component includes an outer casing, and a plurality of second LED beads, a power module, a communication module, a control module, a second display interface, and a wiring port disposed within the outer casing. The outer casing has a light-transmitting portion through which the light emitted by the second LED beads can pass. The second LED beads are electrically connected to the second display interface, which is used to electrically connect to the first display interface. The light-emitting surfaces of the second LED beads and the first LED beads face the same direction, forming a pixel matrix unit. The power module is used to convert the input building power supply into a power supply adapted to power the first LED beads, the second LED beads, the communication module, and the control module. The communication module is used to receive display signals sent by the upstream display control device and transmit them to the control module. The control module is used to synchronously control the display of the pixel matrix unit composed of the first LED beads and the second LED beads. The wiring port is used to connect the upper-level device and the lower-level device, enabling the plurality of second display components to be connected in series one by one to receive building power, or to receive building power and display signals and transmit them to the lower-level device.

2. A transparent display screen for use in glass curtain walls according to claim 1, characterized in that, The connection port includes a first power interface and a second power interface. Both the first power interface and the second power interface are connected to the power module. The first power interface is used to connect to the building power supply or the second power interface of the previous second display component.

3. A transparent display screen for use in glass curtain walls according to claim 2, characterized in that, The connection port also includes a first communication interface and a second communication interface. Both the first communication interface and the second communication interface are connected to the communication module. The first communication interface is used to connect to the upstream display control device or the second communication interface of the previous second display component.

4. A transparent display screen for use in glass curtain walls according to claim 3, characterized in that, The first power interface and the first communication interface are combined to form a first composite interface, and the second power interface and the second communication interface are combined to form a second composite interface.

5. A transparent display screen for use in glass curtain walls according to claim 1, characterized in that, The outer box includes an upper box and a lower box. The upper box has multiple hollow holes at the projection position of the second LED bead, and a light guide column is provided in the hollow holes. The side of the lower box has a display wiring hole, through which the conductive medium connecting the first display interface and the second display interface can pass.

6. A transparent display screen for use in glass curtain walls according to claim 1, characterized in that, The row pixels of the pixel matrix unit include the first LED and the second LED. Both the first and second LEDs are integrated LEDs with a zero-code driver, including a light-emitting chip and a driver chip, and include power pins, ground pins, data input pins, and data output pins. The data input pins of the first column of pixels in the pixel matrix unit are connected to the data pins of the control module, and the data input pins of the remaining columns of pixels in the pixel matrix unit are connected to the data output pins of the previous column of pixels. The power pins of each row of pixels in the pixel matrix unit are connected to the positive line of the input power supply, and the ground pins of each row of pixels in the pixel matrix unit are connected to the negative line of the input power supply.

7. A transparent display screen for use in glass curtain walls according to claim 1, characterized in that, The row pixels of the pixel matrix unit include the first LED and the second LED. Both the first and second LEDs are address code integrated LEDs, including a light-emitting chip and a driver chip, and include power pins, ground pins and data input pins. The data input pins of each row of pixels in the pixel matrix unit are connected to the data pins of the corresponding row of the control module. The power pins of each row of pixels in the pixel matrix unit are connected to the positive line of the input power supply, and the ground pins of each row of pixels in the pixel matrix unit are connected to the negative line of the input power supply.

8. A transparent display screen for use in glass curtain walls according to claim 1, characterized in that, The row pixels of the pixel matrix unit include the first LED and the second LED. The second LED is a controlled LED that only includes a light-emitting chip. The first LED includes a super LED. The super LED includes a light-emitting chip, a driver chip, a power supply pin, a ground pin, a pixel access pin, a data input pin, and a data output pin. The driver chip includes a voltage regulator unit, a light-emitting control unit, a main control unit, and a switching unit. The power supply input terminal of the voltage regulator unit is connected to the input power supply through a power supply pin and a ground pin, which is used to power the driver chip. The light-emitting control unit is connected to the light-emitting chip and the pixel access pin, and is used to control the light-emitting state of the light-emitting chip or the connected controlled LED beads; the pixel access pin is connected to the conductive terminal of the controlled LED beads; The main control unit is connected to the light-emitting control unit, data input pin, and data output pin. It is used to receive control data from upstream devices and send control data to downstream devices. Based on the control data of the light-emitting chip and the connected controlled LED beads obtained from the data stream, the light-emitting control unit controls the light-emitting state of the light-emitting chip and multiple connected controlled LED beads. When the super LED bead is in the first column of pixels, the data input pin is connected to the data output terminal of the control module. When the super LED bead is in other columns of pixels, the data input pin is connected to the data output pin of the previous super LED bead. The switching unit is connected between the power supply pin and the power supply terminal of the light-emitting chip, and is used to turn the power supply pin and the power supply terminal of the light-emitting chip on or off according to the control of the main control unit; the row scan output ports of the control module, except for the first row, are respectively connected to the positive power supply terminals of each row of pixels, and the control module controls the power supply to each row of pixels row by row.

9. A transparent display screen for use in glass curtain walls according to claim 8, characterized in that, The light-emitting control unit includes a brightness control subunit and / or a grayscale control subunit. The negative power supply terminal of the light-emitting chip or the controlled LED bead is electrically connected to the negative terminal of the input power supply through the brightness control subunit and / or the grayscale control subunit. The brightness control subunit is used to control the brightness of the light-emitting chip or the connected controlled LED bead, and the grayscale control subunit is used to control the grayscale level of each color channel of the light-emitting chip or the connected controlled LED bead.

10. A method for installing a transparent display screen in a glass curtain wall, characterized in that, The method is implemented using a transparent display screen applied to a glass curtain wall according to any one of claims 1 to 9, comprising: The second display component is installed on the outer surface of the keel of the glass curtain wall or at the glass joint. The first display component is attached to the outer surface of the glass curtain wall, so that the first LED beads on the first display component and the second LED beads on the second display component form a pixel matrix unit; The first display interface and the second display interface are connected using a conductive medium; Multiple second display components are connected in series through the terminal block; Connect the wiring port of the second display component located at the first end to the building power supply, or to the building power supply and display control equipment.

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