Display device, docking station, adapter and mobile power supply

Abstract

The utility model relates to the technical field of display devices, in particular to a display device, a docking station, an adapter and a mobile power supply. The display device comprises a shell, at least two display areas are arranged on the shell, the at least two display areas are used for displaying different graphs after being arranged and combined, each display area is provided with at least one display unit, and each display unit is electrically connected between a power supply unit and the ground end through a switch unit; and the main control chip is electrically connected with the switch unit, and the main control chip is used for outputting a level signal to control the switch unit to connect or disconnect the display units in different display areas. According to the display device, different graphs can be displayed on the shell, different display effects are achieved, and the user experience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of display devices, in particular to a display device, an expansion dock, an adapter and a mobile power supply. Background Art

[0002] Display devices play a vital role in the field of modern science and technology. They are widely used in household appliances and electronic products such as docking stations and mobile power supplies to display the working status of the applied products.

[0003] In the related art, a display device is usually provided with a single display light, and the working status of the applied product is displayed by turning on and off the display light.

[0004] However, the display effect of the above display device is relatively simple, and the user experience is poor. Utility Model Content

[0005] The technical problem to be solved by the embodiments of the present utility model is to provide a display device, a docking station, an adapter and a mobile power supply to solve the problem that the display effect of the display device in the prior art is relatively single and the user experience is poor.

[0006] The utility model discloses a display device, comprising:

[0007] A housing, on which at least two display areas are arranged, and the at least two display areas are arranged and combined to display different graphics, each of the display areas is provided with at least one display unit, and each of the display units is electrically connected between the power supply unit and the ground terminal through the switch unit;

[0008] A main control chip is electrically connected to the switch unit, and the main control chip is used to output a level signal to control the switch unit to connect or disconnect the display units in different display areas.

[0009] Optionally, the main control chip includes at least two GPIO ports, the switch unit includes at least two sub-switch units, the GPIO ports are electrically connected to the control ends of the sub-switch units in a one-to-one correspondence, the sub-switch units are in a one-to-one correspondence with the display areas, and each display unit in each display area is electrically connected between the power supply unit and the ground terminal through a sub-switch unit.

[0010] Optionally, three display areas are provided on the shell, namely a first display area, a second display area and a third display area, and the first display area, the second display area and the third display area are arranged and combined to display different graphics.

[0011] Optionally, the first display area is provided with a first sub-display area, the second display area is provided with two second sub-display areas, and the third display area is provided with four third sub-display areas. The first display area, the third display area and the second display area are arranged in sequence along the first direction, and the two second sub-display areas are arranged along the second direction. In the second direction, the first sub-display area is located between two second sub-display areas, and the four third sub-display areas are arranged along the second direction. In the second direction, every two third sub-display areas form a group and are arranged on both sides of a first sub-display area. The two third sub-display areas in each group are arranged on both sides of a second sub-display area. The first sub-display area, the second sub-display area and the third sub-display area are each provided with at least one display unit, and the first direction and the second direction are two directions perpendicular to each other.

[0012] Optionally, a first opening structure, a second opening structure and a third opening structure are provided on the shell, and each display unit of the first display area is arranged in the first opening structure, each display unit of the second display area is arranged in the second opening structure, and each display unit of the third display area is arranged in the third opening structure.

[0013] Optionally, the first opening structure includes a first opening, and each display unit of the first sub-display area is arranged in the first opening; the second opening structure includes two second openings, and each display unit of the two second sub-display areas is correspondingly arranged in the two second openings; the third opening structure includes four third openings, and each display unit of the four third sub-display areas is correspondingly arranged in the four third openings.

[0014] Optionally, the expansion dock further comprises a light isolation cover connected to the shell, the light isolation cover is provided with a plurality of light-transmitting holes, and the plurality of light-transmitting holes are arranged in one-to-one correspondence with the openings.

[0015] Optionally, the display unit comprises an LED lamp, a positive electrode of the LED lamp is electrically connected to the power supply unit, and a negative electrode of the LED lamp is electrically connected to the ground terminal through a corresponding sub-switch unit.

[0016] The utility model also provides an expansion dock, which includes the display device as described above.

[0017] The utility model also provides an adapter, and the adapter comprises the display device as described above.

[0018] The utility model also provides a mobile power source, which includes the display device as described above.

[0019] Compared with the prior art, the display device, expansion dock, adapter and mobile power supply provided by the embodiments of the utility model have the following beneficial effects: by setting at least two display areas on the shell, each display area is provided with at least one display unit, each display unit is electrically connected between the power supply unit and the ground terminal through a switch unit, and at least two display areas are arranged and combined to display different graphics. The main control chip outputs a level signal to control the switch unit to connect or disconnect the display units in different display areas, thereby displaying different graphics on the shell, having different display effects, and improving user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The technical solution of the utility model will be further described in detail below with reference to the accompanying drawings and embodiments, in which:

[0021] Figure 1 It is a three-dimensional schematic diagram of a display device provided by an embodiment of the utility model;

[0022] Figure 2 for Figure 1 An exploded schematic diagram of a display device;

[0023] Figure 3 It is a schematic diagram of the three-dimensional structure of the optical isolation cover provided in the embodiment of the utility model;

[0024] Figure 4 It is a schematic diagram of the structure of a display device provided by an embodiment of the utility model;

[0025] Figure 5 It is a circuit diagram of realizing display in the first display area provided by an embodiment of the utility model;

[0026] Figure 6 It is a circuit diagram for realizing display in the second display area provided by an embodiment of the utility model;

[0027] Figure 7 It is a circuit diagram for realizing display in the third display area provided by an embodiment of the utility model;

[0028] Figure 8 is a schematic diagram of a first display effect of a display device provided by an embodiment of the utility model;

[0029] Fig. 9 is a schematic diagram of a second display effect of the display device provided by an embodiment of the utility model;

[0030] Fig.10 is a schematic diagram of a third display effect of the display device provided by an embodiment of the utility model;

[0031] Fig.11 is a schematic diagram of a fourth display effect of the display device provided by an embodiment of the utility model;

[0032] Fig.12 It is a three-dimensional schematic diagram of the expansion dock provided by an embodiment of the utility model;

[0033] Fig.13 It is a structural schematic diagram of the expansion dock provided in an embodiment of the utility model.

[0034] The reference numerals in the figures are:

[0035] 10. Shell; 110. First display area; 11a. First sub-display area; 120. Second display area; 12a. Second sub-display area; 130. Third display area; 13a. Third sub-display area; 11. First opening structure; 111. First opening; 12. Second opening structure; 121. Second opening; 13. Third opening structure; 131. Third opening; 20. Main control chip; 30. Display unit; 40. Switch unit; 41. First sub-switch unit; 42. Second sub-switch unit; 43. Third sub-switch unit; 50. Power supply unit; 60. Optical isolation cover; 61. Light-transmitting hole; 70. First transmission interface; 80. Second transmission interface; 90. Third transmission interface; 100. Switching circuit unit;

[0036] GPIO5, the first GPIO port; GPIO10, the second GPIO port; GPIO20, the third GPIO port; Q1, the first NMOS tube; Q2, the second NMOS tube; Q3, the third NMOS tube; R1, the first current limiting resistor; R2, the second current limiting resistor; R3, the third current limiting resistor; R4, the fourth current limiting resistor; R5, the fifth current limiting resistor; R6, the sixth current limiting resistor; R7, the seventh current limiting resistor; LED1, the first LED lamp; LED2, the second LED lamp; LED3, the third LED lamp; LED4, the fourth LED lamp; LED5, the fifth LED lamp; LED6, the sixth LED lamp; LED7, the seventh LED lamp. DETAILED DESCRIPTION

[0037] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. Now, in conjunction with the accompanying drawings, a preferred embodiment of the present utility model is described in detail.

[0038] The present utility model provides a display device, such as Figure 1 , Figure 2 and Figure 4 As shown, the display device includes a housing 10 and a main control chip 20 .

[0039] At least two display areas are provided on the housing 10. The at least two display areas are arranged and combined to display different graphics. Each display area is provided with at least one display unit 30. Each display unit 30 is electrically connected between a power supply unit 50 and a ground terminal through a switch unit 40. The power supply unit 50 can provide a working voltage for the display unit 30.

[0040] The main control chip 20 is electrically connected to the switch unit 40 , and the main control chip 20 is used to output a level signal to control the switch unit 40 to switch on or off the display units 30 in different display areas.

[0041] The present application sets at least two display areas on the shell 10, each display area is provided with at least one display unit 30, each display unit 30 is electrically connected between the power supply unit 50 and the ground through the switch unit 40, and the at least two display areas are arranged and combined to display different graphics. The main control chip 20 outputs a level signal to control the switch unit 40 to connect or disconnect the display units 30 in different display areas, thereby displaying different graphics on the shell 10, having different display effects, and improving user experience.

[0042] The number of display areas can be two, three or more, and can be set according to actual needs. The number of display units 30 in each display area can be one, two, three or more, and can be set according to actual needs. The graphics displayed after the different display areas on the housing 10 are arranged and combined can be emoticon graphics, text graphics, geometric graphics, etc., and in this embodiment, emoticon graphics are preferably used.

[0043] The main control chip 20 can be an existing chip, such as CS5366, CS5365, AG9311, etc. The main control chip 20 can output a level signal to control the switch unit 40 to connect or disconnect the display units 30 in different display areas. In this embodiment, the chip with the model CS5366 is preferably used.

[0044] In this embodiment, the main control chip 20 includes at least two GPIO ports, the switch unit 40 includes at least two sub-switch units 40, the GPIO ports are electrically connected to the control ends of the sub-switch units 40 in a one-to-one correspondence, the sub-switch units 40 are in a one-to-one correspondence with the display areas, and each display unit 30 in each display area is electrically connected between the power supply unit 50 and the ground terminal through a sub-switch unit 40.

[0045] The level signal of the main control chip 20 is transmitted to the control end of the corresponding sub-switch unit 40 through the GPIO port, driving the corresponding sub-switch unit 40 to be turned on or off, thereby turning on or off the power supply of each display unit 30 in the corresponding display area. Different display area arrangements and combinations form different graphics, and different graphics are displayed on the housing 10, with different display effects.

[0046] In specific applications, the sub-switch unit 40 can use a switch tube, the GPIO port corresponds one-to-one to the switch tube, the switch tube corresponds one-to-one to the display area, the control end of a switch tube corresponds to an electrical connection to a GPIO port, the first end corresponds to an end of each display unit 30 in a display area, the second end corresponds to an electrical connection to the ground, and the other end of each display unit 30 is electrically connected to the power supply unit 50.

[0047] The switch tube has high reliability and stability, can work stably for a long time without being easily damaged, and is small in size, which is conducive to the miniaturization of the display device.

[0048] Specifically, the switch tube uses an NMOS tube, the gate of the NMOS tube is electrically connected to the GPIO port of the main control chip 20, the drain is electrically connected to one end of each display unit 30 in a display area, the source is electrically connected to the ground, and the other end of the display unit 30 is electrically connected to the power supply unit 50.

[0049] The level signal output by the main control chip 20 includes a high level signal and a low level signal. The high level signal drives the NMOS tube to turn on, connects the power supply path of the display unit 30, and makes the display unit 30 display. The low level signal drives the NMOS tube to turn off, disconnects the power supply path of the display unit 30, and makes the display unit 30 turn off.

[0050] In other embodiments, the sub-switch unit 40 may also be a relay, a PMOS tube and a corresponding circuit, etc., which can realize a switch element and a corresponding circuit that electrically connects the display unit 30 to the power supply unit 50 .

[0051] refer to Figure 1 , Figure 2 , Figure 4 In this embodiment, three display areas are provided on the shell 10, namely a first display area 110, a second display area 120 and a third display area 130. The first display area 110, the second display area 120 and the third display area 130 are arranged and combined to display different graphics.

[0052] By setting the first display area 110, the second display area 120 and the third display area 130 on the housing 10, the corresponding sub-switch units 40 are used to control the power supply to be turned on or off, so as to display or turn off. The first display area 110, the second display area 120 and the third display area 130 can be arranged and displayed in combination by turning on or off the corresponding sub-switch units 40, such as the first display area 110 and the second display area 120 display, the third display area 130 turns off, the first display area 110 and the third display area 130 display, the second display area 120 turns off, the second display area 120 and the third display area 130 display, and the first display area 110 turns off, so that different graphics are displayed on the housing 10, with different display effects, increasing the fun of the display device and improving the user experience.

[0053] In this embodiment, the first display area 110 , the second display area 120 , and the third display area 130 are arranged and combined to display different emoticon package graphics.

[0054] Specifically, refer to Figures 1 to 4 The first display area 110 is provided with a first sub-display area 11a, the second display area 120 is provided with two second sub-display areas 12a, and the third display area 130 is provided with four third sub-display areas 13a. The first display area 110, the third display area 130 and the second display area 120 are arranged in sequence along the first direction, the two second sub-display areas 12a are arranged along the second direction, and in the second direction, the first sub-display area 11a is located between the two second sub-display areas 12a, and the four third sub-display areas 13a are arranged along the second direction. In the second direction, every two third sub-display areas 13a are a group and are arranged on both sides of a first sub-display area 11a, and the two third sub-display areas 13a in each group are arranged on both sides of a second sub-display area 12a. The first sub-display area 11a, the second sub-display area 12a and the third sub-display area 13a are each provided with at least one display unit 30, and the first direction and the second direction are two directions perpendicular to each other.

[0055] The first direction is Figure 1 The Y-axis direction in the second direction is Figure 1 The X-axis direction.

[0056] Through the above-mentioned setting method, the first display area 110, the second display area 120 and the third display area 130 are arranged and combined to display different emoticon package graphics, rendering different usage atmospheres, improving the flexibility and diversity of the display device, increasing the fun of the display device, and improving the user experience. For example, each display unit 30 of the second display area 120 is displayed, and each display unit 30 of the other display areas is extinguished, and the first display effect is presented as a whole. The display effect diagram is shown in FIG. Figure 8 As shown; each display unit 30 of the first display area 110 and the second display area 120 is displayed, and each display unit 30 of the third display area 130 is turned off, and the whole presents a second display effect, and the display effect schematic diagram is shown Fig. 9 As shown, each display unit 30 of the second display area 120 and the third display area 130 is displayed, and each display unit 30 of the first display area 110 is extinguished, and the whole presents a third display effect, and the display effect schematic diagram is shown in FIG. 10, and each display unit 30 of the first display area 110, the second display area 120 and the third display area 130 is displayed, and the whole presents a fourth display effect, and the display effect schematic diagram is shown in FIG. Fig.11 shown.

[0057] The number of display units 30 provided in the first sub-display area 11a, the second sub-display area 12a and the third sub-display area 13a can be one, two, three or more, and the user can set it as needed. In this embodiment, it is preferred to set one display unit 30 in each sub-display area, which is low in cost.

[0058] refer to Figure 1 and Figure 2 In this embodiment, a first opening structure 11, a second opening structure 12 and a third opening structure 13 are provided on the shell 10, each display unit 30 of the first display area 110 is provided in the first opening structure 11, each display unit 30 of the second display area 120 is provided in the second opening structure 12, and each display unit 30 of the third display area 130 is provided in the third opening structure 13.

[0059] By providing opening structures corresponding to the first display area 110 , the second display area 120 and the third display area 130 on the housing 10 , the display areas are separated, so that the display units 30 of each display area are separated and the display is clearer.

[0060] Furthermore, the first opening structure 11 includes a first opening 111, and each display unit 30 of the first sub-display area 11a is arranged in the first opening 111. The second opening structure 12 includes two second openings 121, and each display unit 30 of the two second sub-display areas 12a is correspondingly arranged in the two second openings 121. The third opening structure 13 includes four third openings 131, and each display unit 30 of the four third sub-display areas 13a is correspondingly arranged in the four third openings 131.

[0061] By providing corresponding openings for each sub-display area, the display units 30 of each sub-display area are separated, and the size of the openings can be set so that the corresponding sub-display areas can have different sizes.

[0062] In other embodiments, the second opening structure 12 may also be an opening of larger size, and each display unit 30 of the two second sub-display areas 12a is arranged in the opening, and the third opening structure 13 may also be an opening of larger size, and each display unit 30 of the four third sub-display areas 13a is arranged in the opening.

[0063] Further, refer to Figure 2 and Figure 3 The display device further includes a light isolation cover 60 connected to the housing 10 , and a plurality of light-transmitting holes 61 are provided on the light isolation cover 60 , and the plurality of light-transmitting holes 61 are provided in a one-to-one correspondence with each opening.

[0064] By providing a light isolation cover 60 and providing light-transmitting holes 61 corresponding to each opening on the light isolation cover 60, it helps to isolate the light in each sub-display area to prevent the light from interfering with or cross-affecting each other, which helps to ensure that the content displayed in each sub-display area is clearly visible and not interfered by light from other areas, making the display of each display area clearer and the display effect better, further improving the user experience.

[0065] In a specific configuration, the light-transmitting hole 61 corresponding to the first opening 111 can be configured as three sub-light-transmitting holes 61 , and the three sub-light-transmitting holes 61 are arranged along the first direction and in a staggered arrangement.

[0066] A light-transmitting sheet may be provided at the position of each light-transmitting hole 61 , which can prevent dust or water droplets from entering the light isolation cover 60 to affect the normal operation of the display unit 30 while achieving light transmission, thereby extending the service life of the display unit 30 .

[0067] In this embodiment, reference Figures 4 to 7, corresponding to the first display area 110, the second display area 120 and the third display area 130 set on the shell 10, the switch unit 40 includes three sub-switch units 40, namely the first sub-switch unit 41, the second sub-switch unit 42 and the third sub-switch unit 43, the main control chip 20 includes three GPIO ports, namely the first GPIO port GPIO5, the second GPIO port GPIO10 and the third GPIO port GPIO20, the control end of the first sub-switch unit 41 is electrically connected to the first GPIO port GPIO5, the first end corresponds to one end of each display unit 30 electrically connected to the first display area 110, and the second end is electrically connected to the ground end, the first display The other end of each display unit 30 in the display area 110 is electrically connected to the power supply unit 50, the control end of the second sub-switch unit 42 is electrically connected to the second GPIO port GPIO10, the first end corresponds to one end of each display unit 30 in the second display area 120, the second end is electrically connected to the ground end, and the other end of each display unit 30 in the second display area 120 is electrically connected to the power supply unit 50, the control end of the third sub-switch unit 43 is electrically connected to the third GPIO port GPIO20, the first end corresponds to one end of each display unit 30 in the third display area 130, the second end is electrically connected to the ground end, and the other end of each display unit 30 in the third display area 130 is electrically connected to the power supply unit 50.

[0068] The first GPIO port GPIO5, the second GPIO port GPIO10 and the third GPIO port GPIO20 of the main control chip 20 respectively output level signals to control the connection or disconnection of the corresponding first sub-switch unit 41, the second sub-switch unit 42 and the third sub-switch unit 43, so that the display units 30 of the first display area 110, the second display area and the third display area are displayed or turned off, so that the first display area 110, the second display area 120 and the third display area 130 are arranged and combined to display different graphics.

[0069] In this embodiment, the display unit 30 includes an LED lamp, the positive electrode of the LED lamp is electrically connected to the power supply unit 50 , and the negative electrode is electrically connected to the ground through the corresponding sub-switch unit 40 .

[0070] The LED light turns on and off, and the corresponding display area turns on and off. LED lights have the following advantages: high-efficiency conversion characteristics, which can convert electrical energy into light energy; long service life, no need for frequent maintenance and replacement; good quick start characteristics; a variety of colors to choose from, so that different light effects can be achieved; small size, which is conducive to the miniaturization of display devices; and low heat generation.

[0071] In other embodiments, the display unit 30 may also be an OLED lamp or a liquid crystal display lamp. In this embodiment, an LED lamp is used, which has a lower cost.

[0072] Furthermore, the display device further comprises a current limiting resistor, a first end of the current limiting resistor is electrically connected to the positive electrode of the LED lamp, and a second end of the current limiting resistor is electrically connected to the power supply unit 50 .

[0073] By setting a current limiting resistor, the current flowing through the LED lamp can be limited to avoid excessive current damaging the LED lamp and extend the service life of the LED lamp.

[0074] In this embodiment, each LED lamp is connected to a corresponding current limiting resistor, and the current flowing through the LED lamp is limited by the corresponding current limiting resistor to prevent the corresponding LED lamp from being damaged by excessive current.

[0075] Specifically, refer to Figures 4 to 7 , the display implementation circuit corresponding to the first display area 110 includes a first NMOS tube Q1, a first current limiting resistor R1 and a first LED lamp LED1. The gate of the first NMOS tube Q1 is electrically connected to the first GPIO port GPIO5 of the main control chip 20, the source is electrically connected to the ground terminal, the drain is electrically connected to the cathode of the first LED lamp LED1, the first end of the first current limiting resistor R1 is electrically connected to the anode of the first LED lamp LED1, and the second end of the first current limiting resistor R1 is electrically connected to the power supply unit 50. The first GPIO port GPIO5 of the main control chip 20 outputs a high level, and the first LED lamp LED1 is on. The first GPIO port GPIO5 of the main control chip 20 outputs a low level, and the first LED lamp LED1 is off.

[0076] The display realization circuit corresponding to the second display area 120 includes a second NMOS transistor Q2, a second current limiting resistor R2, a third current limiting resistor R3, a second LED lamp LED2, and a third LED lamp LED3. The gate of the second NMOS transistor Q2 is electrically connected to the second GPIO port GPIO10 of the main control chip 20, the source is electrically connected to the ground terminal, the drain is electrically connected to the cathode of the second LED lamp LED2 and the cathode of the third LED lamp LED3, the first end of the second current limiting resistor R2 is electrically connected to the anode of the second LED lamp LED2, the first end of the third current limiting resistor R3 is electrically connected to the anode of the third LED lamp LED3, and the second end of the second current limiting resistor R2 and the second end of the third current limiting resistor R3 are electrically connected to the power supply unit 50. The second GPIO port GPIO10 of the main control chip 20 outputs a high level, and the second LED lamp LED2 and the third LED lamp LED3 are on. The second GPIO port GPIO10 of the main control chip 20 outputs a low level, and the second LED lamp LED2 and the third LED lamp LED3 are off.

[0077] The display realization circuit corresponding to the third display area 130 includes a third NMOS transistor Q3, a fourth current limiting resistor R4, a fifth current limiting resistor R5, a sixth current limiting resistor R6, a seventh current limiting resistor R7, a fourth LED lamp LED4, a fifth LED lamp LED5, a sixth LED lamp LED6 and a seventh LED lamp LED7. The gate of the third NMOS transistor Q3 is electrically connected to the third GPIO port GPIO20 of the main control chip 20, the source is electrically connected to the ground terminal, and the drain is electrically connected to the cathode of the fourth LED lamp LED4, the cathode of the fifth LED lamp LED5, the cathode of the sixth LED lamp LED6 and the cathode of the seventh LED lamp LED7. The first end of the fourth current limiting resistor R4 is electrically connected to the positive electrode of the fourth LED lamp LED4, the first end of the fifth current limiting resistor R5 is electrically connected to the positive electrode of the fifth LED lamp LED5, the first end of the sixth current limiting resistor R6 is electrically connected to the positive electrode of the sixth LED lamp LED6, the first end of the seventh current limiting resistor R7 is electrically connected to the positive electrode of the seventh LED lamp LED7, and the second end of the fourth current limiting resistor R4, the second end of the fifth current limiting resistor R5, the second end of the sixth current limiting resistor R6 and the second end of the seventh current limiting resistor R7 are electrically connected to the power supply unit 50. The third GPIO port GPIO20 of the main control chip 20 outputs a high level, and the fourth LED lamp LED4, the fifth LED lamp LED5, the sixth LED lamp LED6 and the seventh LED lamp LED7 are on, and the third GPIO port GPIO20 of the main control chip 20 outputs a low level, and the fourth LED lamp LED4, the fifth LED lamp LED5, the sixth LED lamp LED6 and the seventh LED lamp LED7 are off.

[0078] It should be emphasized that the display device of the present invention includes specific hardware structures such as a shell 10, a main control chip 20 and a display unit 30. Some hardware involves software programs during operation. The software programs that assist the operation of the display device of this application are all existing reproducible software programs and do not constitute improvements of the present application.

[0079] The utility model also provides a docking station, such as Figures 1 to 4 , Fig.12 As shown, the docking station includes a display device as described above. The display device of the docking station of the present application is provided with at least two display areas on the housing 10, each display area is provided with at least one display unit 30, each display unit 30 is electrically connected between the power supply unit 50 and the ground terminal through the switch unit 40, and at least two display areas are arranged and combined to display different graphics, and the main control chip 20 outputs a level signal to control the switch unit 40 to connect or disconnect the display units 30 in different display areas, so that different graphics are displayed on the housing 10, with different display effects, and the user experience is improved.

[0080] refer to Fig.12 , Fig.13The expansion dock further includes a first transmission interface 70 , a second transmission interface 80 and a third transmission interface 90 , and the first transmission interface 70 , the second transmission interface 80 and the third transmission interface 90 are all electrically connected to the main control chip 20 .

[0081] The first transmission interface 70 is used to connect an electronic device, such as a laptop, a tablet computer, a mobile phone, etc., which can transmit first data such as audio and video signals, video signals, images, etc. to the docking station via the first transmission interface 70 .

[0082] The second transmission interface 80 is used for data transmission or power transmission. The second transmission interface 80 can be connected to an adapter, which is correspondingly connected to a related power supply device, converts the power provided by the power supply device into a suitable voltage, and transmits the voltage to the docking station via the second transmission interface 80. The docking station can output the voltage through the first transmission interface 70 to charge the electronic device.

[0083] The third transmission interface 90 is used to connect to the audio and video device. The third transmission interface 90 can transmit the signal in a format that conforms to the audio and video device to the audio and video device for playback.

[0084] The main control chip 20 is electrically connected to the first transmission interface 70, the second transmission interface 80, the third transmission interface 90 and the switch unit 40 respectively. The main control chip 20 is also used to convert the first data transmitted by the first transmission interface 70 into second data and transmit it to the third transmission interface 90. The main control chip 20 is also used to control the connection or disconnection of the path between the first transmission interface 70 and the second transmission interface 80.

[0085] Among them, the main control chip 20 outputs a level signal based on the connection status of the first transmission interface 70, the second transmission interface 80 and the third transmission interface 90 to control the switch unit 40 to connect or disconnect the display unit 30 in different display areas, thereby displaying different graphics on the shell 10 of the display device. The user can know whether the first transmission interface 70, the second transmission interface 80 and the third transmission interface 90 are connected and working through the displayed graphics, without having to check the devices connected to each interface, thereby improving the user experience.

[0086] The first data may be audio and video signals, video signals, images and other data. The first data is converted into second data by the main control chip 2030 . The second data is data that complies with the format of the third transmission interface 90 .

[0087] The first transmission interface 70 may be a USB-C interface or other interfaces that can match the interface of an external electronic device and can transmit the first data. In this embodiment, the first transmission interface 70 is preferably a USB-C interface.

[0088] The second transmission interface 80 may be a USB-C interface or other interfaces that can match the interface of the adapter and can perform charging communication. In this embodiment, the second transmission interface 80 is preferably a USB-C interface.

[0089] The third transmission interface 90 may be an interface for transmitting the second data to the audio and video device, such as an HDMI (High-Definition Multimedia Interface) interface, a DP (DisplayPort) interface, and a DVI (Digital Visual Interface) interface. In this embodiment, the third transmission interface 90 preferably adopts an HDMI interface.

[0090] The main control chip 20 can adopt an existing chip that integrates PD charging and video conversion, such as existing chips with models CS5366, CS5365, AG9311, etc., to convert the data transmitted by the first transmission interface 70 into a TMDS signal and transmit it to the third transmission interface 90, and control the connection or disconnection of the path between the first transmission interface 70 and the second transmission interface 80, and output a level signal based on the connection status of the first transmission interface 70, the second transmission interface 80 and the third transmission interface 90 to control the switch unit 40 to connect or disconnect the display unit 30 in different display areas.

[0091] Specifically, taking the first transmission interface 70 using a USB-C interface, the second transmission interface 80 using a USB-C interface, and the third transmission interface 90 using an HDMI interface as an example, when the docking station is connected to an electronic device (such as a notebook) only through the USB-C interface, the electronic device communicates with the CS5366 chip through the USB-C interface through the CC protocol, outputs BUS_UFP to power the docking station, and the CS5366 chip sends a level signal to the switch unit 40 to turn on the display unit 30 of the corresponding display area. When the docking station is connected to an electronic device through the USB-C interface and connected to an HDMI display through an HDMI interface, the audio and video signals transmitted by the electronic device are received, the USB-C interface transmits the audio and video signals to the CS5366 chip, the CS5366 chip converts the audio and video signals into TDMS signals that conform to the HDMI interface format, the HDMI interface transmits the TDMS signals to the HDMI display for playback, and the CS5366 chip sends a level signal to the switch unit 40 to turn on the display unit 30 of the corresponding display area. When the docking station is connected to an electronic device via a USB-C interface, and to an HDMI display via an HDMI interface, and to an adapter via a USB-C interface, the electronic device communicates with the CS5366 chip via CC_UFP and the adapter communicates with the CS5366 chip via CC_DFP using the CC protocol, the path between the two USB-C interfaces is connected, the adapter transmits power to the electronic device, the CS5366 chip converts the audio and video signals into TDMS signals that conform to the HDMI interface format, the HDMI interface transmits the TDMS signals to the HDMI display for playback, and the CS5366 chip sends a level signal to the switch unit 40 to turn on the display unit 30 in the corresponding display area.

[0092] The expansion dock of the present invention includes a first transmission interface 70, a second transmission interface 80, a third transmission interface 90 and a display device. The display device includes a specific hardware structure such as a shell 10, a main control chip 20 and a display unit 30. Some hardware involves software programs during operation. The software programs that assist the operation of the expansion dock of this application are all existing reproducible software programs and do not constitute improvements of the present application.

[0093] In this embodiment, the expansion dock also includes a switching circuit unit 100, which is electrically connected to the main control chip 20, the first transmission interface 70 and the second transmission interface 80 respectively. The main control chip 20 outputs a level signal to the switching circuit unit 100 to switch on or off the path between the first transmission interface 70 and the second transmission interface 80.

[0094] In this embodiment, the level signal of the main control chip 20 is transmitted to the control end of the sub-switch unit 40 of the switch unit 40 through a specific GPIO port, driving the corresponding sub-switch unit 40 to be turned on or off, thereby turning on or off the power supply of each display unit 30 in the corresponding display area. Different display area arrangements and combinations form different graphics, with different display effects, which can correspond to different connection states of the first transmission interface 70, the second transmission interface 80, and the third transmission interface 90. The user can understand the connection states of the first transmission interface 70, the second transmission interface 80, and the third transmission interface 90 in the docking station through different display effects.

[0095] Among them, the first display effect of the above-mentioned display device can correspond to the state where the first transmission interface 70 is connected and working, the second display effect can correspond to the state where both the first transmission interface 70 and the third transmission interface 90 are connected and working, the third display effect can correspond to the state where the first transmission interface 70 and the second transmission interface 80 are connected and working, and the fourth display effect can correspond to the state where the first transmission interface 70, the second transmission interface 80 and the third transmission interface 90 are all connected and working.

[0096] The present application also provides an adapter, which includes the above-mentioned display device. The display device of the adapter of the present application is provided by setting at least two display areas on the housing 10, each display area is provided with at least one display unit 30, each display unit 30 is electrically connected between the power supply unit 50 and the ground terminal through the switch unit 40, and at least two display areas are arranged and combined to display different graphics, and the main control chip 20 outputs a level signal to control the switch unit 40 to connect or disconnect the display units 30 in different display areas, so that different graphics are displayed on the housing 10, with different display effects, and the user experience is improved.

[0097] The present application also provides a mobile power supply, which includes the above-mentioned display device. The display device of the mobile power supply of the present application is provided with at least two display areas on the housing 10, each display area is provided with at least one display unit 30, each display unit 30 is electrically connected between the power supply unit 50 and the ground through the switch unit 40, and at least two display areas are arranged and combined to display different graphics, and the main control chip 20 outputs a level signal to control the switch unit 40 to connect or disconnect the display units 30 in different display areas, so that different graphics are displayed on the housing 10, with different display effects, and the user experience is improved.

[0098] It should be understood that the above embodiments are only used to illustrate the technical solutions of the present utility model rather than to limit it. For those skilled in the art, the technical solutions described in the above embodiments can be modified, or some of the technical features therein can be replaced by equivalents; and all these modifications and replacements should fall within the scope of protection of the claims attached to the present utility model.

Claims

1. A display device, characterized in that: include: A housing, on which at least two display areas are arranged, and the at least two display areas are arranged and combined to display different graphics, each of the display areas is provided with at least one display unit, and each of the display units is electrically connected between the power supply unit and the ground terminal through the switch unit; A main control chip is electrically connected to the switch unit, and the main control chip is used to output a level signal to control the switch unit to connect or disconnect the display units in different display areas.

2. The display device according to claim 1, characterized in that The main control chip includes at least two GPIO ports, the switch unit includes at least two sub-switch units, the GPIO ports are electrically connected to the control ends of the sub-switch units in a one-to-one correspondence, the sub-switch units are in a one-to-one correspondence with the display areas, and each display unit in each display area is electrically connected between the power supply unit and the ground end through a sub-switch unit.

3. The display device according to claim 2, characterized in that: The housing is provided with three display areas, namely a first display area, a second display area and a third display area. The first display area, the second display area and the third display area are arranged and combined to display different graphics.

4. The display device according to claim 3, characterized in that: The first display area is provided with a first sub-display area, the second display area is provided with two second sub-display areas, and the third display area is provided with four third sub-display areas. The first display area, the third display area and the second display area are sequentially arranged at intervals along the first direction, and the two second sub-display areas are arranged at intervals along the second direction. In the second direction, the first sub-display area is located between two second sub-display areas, and the four third sub-display areas are arranged at intervals along the second direction. In the second direction, every two third sub-display areas form a group and are arranged on both sides of a first sub-display area, and the two third sub-display areas in each group are arranged on both sides of a second sub-display area. The first sub-display area, the second sub-display area and the third sub-display area are each provided with at least one display unit, and the first direction and the second direction are two directions perpendicular to each other.

5. The display device according to claim 4, characterized in that: The shell is provided with a first opening structure, a second opening structure and a third opening structure, each display unit in the first display area is arranged in the first opening structure, each display unit in the second display area is arranged in the second opening structure, and each display unit in the third display area is arranged in the third opening structure.

6. The display device according to claim 5, characterized in that: The first opening structure includes a first opening, and each display unit of the first sub-display area is arranged in the first opening; the second opening structure includes two second openings, and each display unit of the two second sub-display areas is correspondingly arranged in the two second openings; the third opening structure includes four third openings, and each display unit of the four third sub-display areas is correspondingly arranged in the four third openings.

7. The display device according to claim 6, characterized in that: The display device further comprises a light isolation cover connected to the housing, wherein the light isolation cover is provided with a plurality of light-transmitting holes, and the plurality of light-transmitting holes are arranged in one-to-one correspondence with the openings.

8. The display device according to any one of claims 2 to 7, characterized in that: The display unit comprises an LED lamp, a positive electrode of the LED lamp is electrically connected to the power supply unit, and a negative electrode of the LED lamp is electrically connected to the ground terminal through a corresponding sub-switch unit.

9. A docking station, characterized in that: The docking station comprises the display device according to any one of claims 1 to 8.

10. An adapter, characterized in that: The adapter comprises the display device according to any one of claims 1 to 8.

11. A mobile power source, characterized in that: The mobile power supply comprises the display device according to any one of claims 1 to 8.

Images