CN111710243A - Display device - Google Patents
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- CN111710243A CN111710243A CN202010622480.0A CN202010622480A CN111710243A CN 111710243 A CN111710243 A CN 111710243A CN 202010622480 A CN202010622480 A CN 202010622480A CN 111710243 A CN111710243 A CN 111710243A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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Abstract
The invention discloses a display device, comprising: the main display panel, the knob panel assembly and the main controller; the knob panel assembly comprises an auxiliary display panel and a knob assembly for fixing the auxiliary display panel; the main controller is connected with the main display panel through a first transmission line and used for sending first image information to the main display panel so that the main display panel displays a first image; the knob panel assembly is fixed on the light emitting side of the main display panel; the area covered by the vertical projection of the knob panel assembly on the plane where the main display panel is located is a first area of the main display panel; a first through hole penetrating through the main display panel is arranged in the first area; the main controller is connected with the auxiliary display panel through a second transmission line penetrating through the first through hole and used for sending second image information to the auxiliary display panel, so that the auxiliary display panel displays a second image. The invention provides a display device, which aims to solve the problem that a display picture of a knob assembled on an existing vehicle-mounted display screen is not clear.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display device.
Background
At present, most electronic products in the automobile can be operated through a knob or a key, but with the application of a large-size display screen in the automobile, the design of the knob is newly required by the interior decoration shape, and the knob is generally integrally assembled on the large-size display screen.
The knob body occupies part of the display area of the display screen, and partial pictures can be displayed through the surface of the knob. In the prior art, when the knob is assembled on the surface of the display screen, the surface of the knob often adopts the design of an optical fiber panel to directly transmit the picture of the display screen to the surface of the knob, so that the picture displayed by the display screen at the position of the surface of the knob is displayed. However, a gap between the optical fiber panel and the display screen exists between the optical fiber panel and the display screen, and a situation that a picture displayed by the display screen is blurred when the picture is guided out to the surface of the knob occurs, so that the watching effect of a user is affected.
Disclosure of Invention
The embodiment of the invention provides a display device, which aims to solve the problem that a display picture of a knob assembled on an existing vehicle-mounted display screen is not clear.
An embodiment of the present invention provides a display device, including: the main display panel, the knob panel assembly and the main controller; the knob panel assembly comprises a secondary display panel and a knob assembly for fixing the secondary display panel;
the main controller is connected with the main display panel through a first transmission line and used for sending first image information to the main display panel so that the main display panel displays a first image;
the knob panel assembly is fixed on the light emitting side of the main display panel; the area covered by the vertical projection of the knob panel assembly on the plane of the main display panel is a first area of the main display panel; a first through hole penetrating through the main display panel is formed in the first area; the main controller is connected with the auxiliary display panel through a second transmission line penetrating through the first through hole and used for sending second image information to the auxiliary display panel, so that the auxiliary display panel displays a second image.
The display device comprises a main display panel, a knob panel assembly and a main controller, wherein the main controller sends first image information to the main display panel through a first transmission line to enable the main display panel to display a first image, the knob panel assembly comprises an auxiliary display panel and a knob assembly for fixing the auxiliary display panel, the knob panel assembly is arranged on the light emitting side of the main display panel, the area covered by the vertical projection of the knob panel assembly on the main display panel is a first area, the first area of the main display panel is provided with a first through hole penetrating through the main display panel, and the main controller is connected with the auxiliary display panel through a second transmission line penetrating through the first through hole to send second image information to the auxiliary display panel so as to enable the auxiliary display panel to display a second image. In this embodiment, main control unit controls the vice display panel on main display panel and the knob subassembly respectively alone and carries out image display, compares in directly transmitting the picture on the main display panel to the knob structure on knob surface through the optical fiber panel, and the knob panel subassembly surface of this embodiment scheme is clear because of carrying out alone through vice display panel and showing the image, avoids the fuzzy condition of figure of optical fiber panel, improves the user and watches experience. In addition, the auxiliary display panel is connected with the main controller through the first through hole penetrating through the first area of the main display panel, the second transmission line is prevented from being wound to the light emitting side of the main display panel, the situation that the display area of the main display panel is shielded is effectively prevented, and the user watching experience is further improved.
Drawings
Fig. 1 is a schematic structural diagram of a display device according to an embodiment of the present invention;
fig. 2 is a schematic disassembled structure diagram of a display device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a main display panel according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a main display panel according to an embodiment of the present invention;
fig. 5 is a schematic plan view illustrating a main display panel according to an embodiment of the present invention;
FIG. 6 is a schematic plane structure diagram of another main display panel according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a planar structure of another main display panel according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a planar structure of another main display panel according to an embodiment of the present invention;
FIG. 9 is an exploded view of a rotary knob panel assembly according to an embodiment of the present invention;
fig. 10 is a schematic circuit diagram of a knob panel assembly according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the prior art, as described in the above background art, when a partial image is displayed on a surface of a knob on a display screen, generally, an optical fiber panel is disposed on the surface of the knob, so that an image of the display screen is directly transmitted out of the surface of the knob, but a gap between the optical fiber panel and the display screen exists between sensors, optical cement and other media, which causes light of different pixel units of the display screen to mix into the same optical fiber, thereby causing a blur of an image transmitted to the surface of the knob. In order to solve the problem of image blurring, a person skilled in the art adopts a knob design with a hollow middle part, the knob is directly adhered to the surface of the display screen, the middle hollow design of the knob enables human eyes to directly observe the picture of the display screen, but the edge of the knob has a certain height, so that the display screen is easily shielded by the edge of the knob under a large visual angle, illustratively, when the included angle between the sight of a user and the plane where the display screen is located is less than 30 degrees, the sight can be blocked, and the surface of the knob with a good watching effect can not be obtained.
To solve the above problem, an embodiment of the present invention provides a display device, including: the main display panel, the knob panel assembly and the main controller; the knob panel assembly comprises an auxiliary display panel and a knob assembly for fixing the auxiliary display panel;
the main controller is connected with the main display panel through a first transmission line and used for sending first image information to the main display panel so that the main display panel displays a first image;
the knob panel assembly is fixed on the light emitting side of the main display panel; the area covered by the vertical projection of the knob panel assembly on the plane where the main display panel is located is a first area of the main display panel; a first through hole penetrating through the main display panel is arranged in the first area; the main controller is connected with the auxiliary display panel through a second transmission line penetrating through the first through hole and used for sending second image information to the auxiliary display panel, so that the auxiliary display panel displays a second image.
In the embodiment of the invention, the display device comprises a main display panel, a knob panel assembly and a main controller, wherein the main controller sends first image information to the main display panel through a first transmission line to enable the main display panel to display a first image, the knob panel assembly comprises an auxiliary display panel and a knob assembly for fixing the auxiliary display panel, the knob panel assembly is arranged on the light emergent side of the main display panel, the area covered by the vertical projection of the knob panel assembly on the main display panel is a first area, the first area of the main display panel is provided with a first through hole penetrating through the main display panel, and the main controller is connected with the auxiliary display panel through a second transmission line penetrating through the first through hole to send second image information to the auxiliary display panel so as to enable the auxiliary display panel to display a second image. In this embodiment, main control unit controls the vice display panel on main display panel and the knob subassembly respectively alone and carries out image display, compares in directly transmitting the picture on the main display panel to the knob structure on knob surface through the optical fiber panel, and the knob panel subassembly surface of this embodiment scheme is clear because of carrying out alone through vice display panel and showing the image, avoids the fuzzy condition of figure of optical fiber panel, improves the user and watches experience. In addition, the auxiliary display panel is connected with the main controller through the first through hole penetrating through the first area of the main display panel, the second transmission line is prevented from being wound to the light emitting side of the main display panel, the situation that the display area of the main display panel is shielded is effectively prevented, and the user watching experience is further improved.
The above is the core idea of the present invention, and the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative work belong to the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a display device according to an embodiment of the present invention, and as shown in fig. 1, the display device includes a main display panel 10, a rotary knob panel assembly 20, and a main controller 30. Among them, the knob panel assembly 20 includes a sub display panel 21 and a knob assembly 22 fixing the sub display panel 21. The knob assembly 22 is disposed on the main display panel 10, and the current parameter variable can be adjusted by rotating the knob assembly 22 under the display control interface of the main display panel 10 or the sub-display panel 21. For example, when the main display panel 10 or the sub display panel 21 displays an air conditioner parameter control interface, the air conditioner temperature, the air conditioner air volume, the operation mode, and the like can be adjusted by rotating the knob assembly 22; when the main display panel 10 or the sub display panel 21 displays the speaker parameter control interface, the volume of the speaker can be adjusted, songs can be switched, and the like by rotating the knob assembly 22.
The main controller 30 is connected with the main display panel 10 through a first transmission line 41 for transmitting first image information to the main display panel 10 so that the main display panel 10 can display a first image. Optionally, the main display panel 10 may be an electrowetting display panel, an electrophoretic display panel, a plasma display panel, a field emission display device, a liquid crystal display panel, or an organic light emitting display panel, and the present embodiment does not limit the specific type of the main display panel 10.
The knob panel assembly 20 is fixed on the light emitting side of the main display panel 10, so that the sub-display panel 21 and the main display panel 10 cooperate to display a picture, thereby increasing the display area of the display device. In a direction perpendicular to the plane of the main display panel 10, the area of the sub display panel 21 projected on the main display panel 10 is the first area 11. Referring to fig. 2, fig. 2 is a schematic view of a disassembled structure of a display device according to an embodiment of the present invention, a first through hole 11 penetrating through the entire thickness of the main display panel 10 may be disposed in the first region 11 of the main display panel 10, and the main controller 30 is connected to the sub display panel 21 through a second transmission line 42 of the first through hole 11, and is configured to send second image information to the sub display panel 21, so that the sub display panel 21 displays a second image. In this embodiment, the second transmission line 42 for transmitting the second image information is connected to the sub-display panel 21 through the first through hole 11, and is not wired to the sub-display panel 21 from the light-emitting side of the main display panel 10, so as to effectively prevent the display image of the main display panel 10 from being blocked, and to make the light-emitting sides of the main display panel 10 and the sub-display panel 21 neater and more beautiful, thereby improving the viewing experience of the user.
Alternatively, the sidewalls of the first and second transmission lines 41 and 42 may be coated with an insulating protective layer; alternatively, the first transmission line 41 and the second transmission line 42 may be disposed on a flexible substrate. The first transmission line 41 and the second transmission line 42 may be metal wires, and sidewalls of the first transmission line 41 and the second transmission line 42 may be coated with an insulating protective layer to insulate the metal conductors from other components. The first transmission line 41 and the second transmission line 42 may be metal wiring disposed on a flexible substrate, and the first transmission line 41 and the second transmission line 42 may be integrated with a flexible wiring board such that the flexible wiring board connects the main display panel 10 and the main controller 30, and the flexible wiring board connects the sub display panel 21 and the main controller 30. Of course, the sidewall of one of the first transmission line 41 and the second transmission line 42 may be coated with an insulating protective layer, and the other may be disposed on the flexible substrate, and the present embodiment does not limit the specific arrangement manner of the first transmission line 41 and the second transmission line 42.
Similarly, the sub-display panel 21 may be an electrowetting display panel, an electrophoretic display panel, a plasma display panel, a field emission display device, a liquid crystal display panel, or an organic light emitting display panel, and the embodiment does not limit the specific type of the sub-display panel 21. Alternatively, the main display panel 10 may include a first driving chip; the first driving chip is connected to the pixel unit of the main display panel 10, and is configured to drive the pixel unit of the main display panel 10 to perform display based on the first image information; the sub display panel 21 may include a second driving chip; the second driving chip is connected to the pixel units of the sub-display panel 21, and is configured to drive the pixel units of the sub-display panel 21 to perform display based on the second image information. In this embodiment, the sub-display panel 21 performs image display independently under the control of the main controller 30, and compared with a knob structure in which a picture on the main display panel is directly transmitted to the surface of the knob through the optical fiber panel, the surface of the knob panel assembly 20 of the present embodiment performs image display independently through the sub-display panel, so that the user viewing experience is improved. In addition, in the embodiment, the knob assembly 22 supports the sub-display panel 21 for displaying, the knob assembly 22 is not designed to be hollow to display the image of the main display panel 10, and the knob assembly 22 of the embodiment is not easy to block the large-viewing-angle display of the sub-display panel 21.
Alternatively, with continued reference to fig. 1 and 2, the main controller 30 may be connected to the main display panel 10 through a third transmission line 43 for transmitting the first power signal to the main display panel 10; the main controller 30 is connected to the sub display panel 21 through a fourth transmission line 44 passing through the first through hole 11, for transmitting a second power signal to the sub display panel 21.
The main controller 30 may transmit a first power signal to the main display panel 10 through the third transmission line 43 in addition to transmitting the first image information to the main display panel 10 through the first transmission line 41 to enable the main display panel 10 to operate. Similarly, the main controller 30 may transmit a second power signal to the sub-display panel 21 through the fourth transmission line 44 in addition to transmitting the second image information to the sub-display panel 21 through the second transmission line 42, so that the sub-display panel 21 can operate. In this embodiment, the main controller 30 supplies power to the main display panel 10 and the sub display panel 21, respectively, by a wired power supply method. The main controller 30 may also charge the main display panel 10 and the sub display panel 21 by a wireless power supply method, for example, a coil charging method, and the specific charging method of the main controller 30 for the main display panel 10 and the sub display panel 21 is not limited in this embodiment. Like the second transmission line 42, the fourth transmission line 44 also passes through the first through hole 11 to connect the main controller 30 and the sub display panel 21, respectively.
Fig. 3 is a schematic structural diagram of a main display panel according to an embodiment of the present invention, and optionally, the rotary knob panel assembly 20 may be fixed to the non-display area NA of the main display panel 10; the knob panel assembly 20 may be fixed to the main display panel 10 by means of adhesion, screw connection, or magnetic adhesion.
As shown in fig. 3, the knob panel assembly 20 may be disposed in the non-display area NA of the main display panel 10, and the sub-display panel 21 of the knob panel assembly 20 increases the area of the display area based on the display area AA of the main display panel 10, and the non-display area NA of the main display panel 10 is generally not provided with a pixel unit, so that the first through hole is easily disposed. The main display panel 10 of the non-display area NA with the first through hole is simple in manufacturing process, and does not need to specially design the arrangement of the pixel units in the display area AA.
In this embodiment, the knob panel assembly 20 may be fixed on the main display panel 10 by means of adhesion, screwing, or magnet adsorption, for example, the knob panel assembly 20 may be adhered on the non-display area NA of the main display panel 10 by means of optical adhesive, or both the knob assembly 22 and the non-display area NA of the main display panel 10 may be provided with threads to realize screwing of the knob assembly 22 and the main display panel 10, or the knob assembly 22 and the main display panel 10 are respectively provided with magnets with opposite magnetism, so that the knob assembly 22 and the main display panel 10 are fixed in a magnetic adsorption manner.
Fig. 4 is a schematic structural diagram of a main display panel according to an embodiment of the present invention, and optionally, the rotary knob panel assembly 20 may be fixed to the display area AA of the main display panel 10; the display area AA of the main display panel 10 may include a first area a1, and a second area a2 surrounding the first area a 1; the second region a2 is provided with pixel units arranged in an array; the knob panel assembly 22 may be fixed to the main display panel 10 by means of adhesion, screw connection, or magnet attraction.
As shown in fig. 4, the knob panel assembly 20 may be disposed in the display area AA of the main display panel 10, which is beneficial to the arrangement of the display area AA of the main display panel 10 with a large ratio in the embodiment, that is, beneficial to the realization of the narrow frame design of the main display panel 10, and improving the screen ratio of the main display panel 10. The vertical projection of the knob panel assembly 20 on the plane of the main display panel 10 covers the display area AA to form a first area a1, and the display area AA of the main display panel 10 includes a first area a1 and a second area a2 surrounding the first area a 1. In this embodiment, the main display panel 10 and the auxiliary display screen 21 may respectively and independently display a picture, or may form a complete image together for display, so as to improve the viewing experience of the user. Similarly, when the knob panel assembly 20 is disposed on the display area AA of the main display panel 10, the knob panel assembly 20 may be fixed on the main display panel 10 by means of adhesion, screw connection or magnet attraction.
Fig. 5 is a schematic plan view illustrating a main display panel according to an embodiment of the present invention, and optionally, the first area a1 of the main display panel 10 may be provided with a plurality of pixel units 12 disposed around the first through hole 11; the main display panel 10 may include a plurality of data lines 13 extending in a first direction Y and a plurality of scan lines 14 extending in a second direction X; the first direction Y and the second direction X intersect; the scan line 14 and the data line 13 passing through the first area a1 are disposed avoiding the first via hole 11.
As shown in fig. 5, the first and second regions a1 and a2 of the main display panel 10 are each provided with a plurality of pixel cells 12, and the pixel cells 12 of the first display region a1 are disposed avoiding the first through holes 11, and the main display panel 10 further includes a plurality of data lines 13 extending in the first direction Y and a plurality of scan lines 14 extending in the second direction X for driving the pixel cells 12 arranged in an array in the first and second regions a1 and a 2. The scan lines 14 and the data lines 13 that need to pass through the first area a1 also need to be disposed avoiding the first through holes 11, so as to prevent the scan lines 14 and the data lines 13 from breaking in the first area a1, and ensure normal display of the main display panel 10.
Optionally, the sidewall of the first through hole 11 of the main display panel 10 may be provided with a sealant for preventing water and oxygen from invading the display panel through the sidewall of the first through hole 11, thereby preventing the internal structure of the display panel from being corroded. Optionally, the sealant on the sidewall of the first through hole 11 is black glue, and when the display panel is a liquid crystal display panel, the black glue can prevent light of the display panel or backlight from being emitted to the first through hole 11, so as to avoid an influence on a device disposed in the first through hole 11, for example, prevent the first transmission line 41 from being aged due to illumination.
Fig. 6 is a schematic plan view illustrating another main display panel according to an embodiment of the present invention, and referring to fig. 4 and 6, the knob assembly 22 may alternatively include a first end close to the main display panel 10 and a second end far from the main display panel 10; the sub display panel 21 may be adhered to a second end of the knob assembly 22; the area covered by the perpendicular projection of the sub-display panel 21 on the plane where the main display panel 10 is located is the first area a1 of the main display panel 10.
In this embodiment, the knob assembly 22 may include a first end close to the main display panel 10 and a second end far from the main display panel 10, and the sub-display panel 21 is disposed on a side of the knob assembly 22 far from the main display panel 10 and fixed to the second end of the sub-display panel 21, as shown in fig. 6, an area covered by a vertical projection of the sub-display panel 21 on a plane where the main display panel 10 is located may be the first area a1 of the main display panel 10 in this embodiment, that is, the sub-display panel 21 just fills the first area a1 where the main display panel 10 cannot perform image display due to the knob assembly 22. Therefore, no gap is left between the main display panel 10 and the sub display panel 21, and when the main display panel 10 and the sub display panel 21 are matched to display a whole image, a good display effect is achieved. Alternatively, the knob panel assembly 20 shown in fig. 1 to 6 has a cylindrical shape, and the secondary display panel 21 may have a circular shape, and alternatively, the knob panel assembly 20 in the present embodiment may also have an elliptic cylindrical shape, or a polygonal cylindrical shape, and other three-dimensional figures, and the secondary display panel 21 may have an elliptic shape or a polygonal shape.
Fig. 7 is a schematic plan view of another main display panel according to an embodiment of the present invention, in which, alternatively, the knob panel assembly may be fixed to the main display panel 10 by way of magnet attraction; the first area a1 of the main display panel 10 may be provided with at least one first magnet 151 disposed around the first through hole 11; one side of the knob assembly 22 adjacent to the main display panel 10 may be provided with at least one second magnet 152; the first magnet 151 and the second magnet 152 have opposite polarities.
The knob panel assembly and the main display panel 10 may be fixed by magnetic attraction, the first area a1 of the main display panel 10 may be provided with at least one first magnet 151, for example, 4 block-shaped first magnets 151 may be disposed around the first through hole 11, corresponding thereto, at least one second magnet 152 may be disposed on one side of the knob assembly 22 close to the main display panel 10, for example, 4 block-shaped second magnets 152 may be disposed in one-to-one correspondence with the first magnets 151, and the polarities of the first magnets 151 and the second magnets 152 are opposite. The plurality of first magnets 151 are disposed around the first through holes 11, so that a strong attraction force is provided between the knob assembly 22 and the main display panel 10, and the knob panel assembly is prevented from falling off the main display panel 10.
Alternatively, the first area a1 of the main display panel 10 in this embodiment may be provided with a U-shaped first magnet 151 disposed around the first through hole 11, as shown in fig. 8, fig. 8 is a schematic plan view of another main display panel provided in this embodiment of the present invention, and correspondingly, the U-shaped first magnet 151 may be disposed on a side of the knob assembly 22 close to the main display panel 10, and the U-shaped magnet may be shaped to provide a stronger attraction force between the knob assembly 22 and the main display panel 10, so as to prevent the knob panel assembly from falling off the main display panel 10.
Fig. 9 is a schematic diagram of an exploded structure of a knob panel assembly according to an embodiment of the present invention, and optionally, the knob assembly 22 may include: a knob structure 221; the knob structure 221 may be disposed between the sub display panel 21 and the main display panel 10; the knob structure 221 includes an inner ring structure 221a, an encoder 221b, and an outer ring structure 221 c; the outer ring structure 221c is arranged outside the inner ring structure 221 a; the encoder 221b is disposed between the inner ring structure 221a and the outer ring structure 221 c; the outer ring structure 221c is used to rotate the encoder 221b, so that the encoder 221b generates a rotation signal.
The knob assembly 22 includes a knob structure 221, and the knob structure 221 is used for adjusting the controllable parameter through rotation. Specifically, the knob structure 221 may be disposed between the sub display panel 21 and the main display panel 10, so that the knob structure 221 does not block the display on the light emitting side of the sub display panel 21. The knob structure 221 includes an inner ring structure 221a, an encoder 221b, and an outer ring structure 221c, and sequentially includes, from the inside to the outside, the inner ring structure 221a, the encoder 221b, and the outer ring structure 221c, that is, the encoder 221b is disposed around the inner ring structure 221a, and the outer ring structure 221c is disposed around the encoder 221 b. The encoder 221b includes an inner fixed portion and an outer rotating portion, the outer rotating portion can rotate relative to the inner fixed portion, the inner fixed portion of the encoder 221b is fixed to the inner ring structure 221a, the outer rotating portion of the encoder 221b is fixed relative to the outer ring structure 221c, the outer ring structure 221c drives the outer rotating portion of the encoder 221b to rotate, and the encoder 221b can generate a rotation signal according to a rotation angle of the outer ring structure 221 c.
In addition, with continued reference to fig. 9, since the inner ring structure 221a is a stationary component, the sub display panel 21 is also fixed to the inner ring structure 221a, and the sub display panel 21 may be fixed to a side of the inner ring structure 221a away from the main display panel 10 by a fixing member 23.
With continued reference to fig. 9, optionally, the knob assembly 22 may further include: a first circuit board 222; the first circuit board 222 is disposed on a side of the knob structure 221 close to the main display panel 10; the first circuit board 222 is connected to the main controller through a second transmission line, and is configured to receive second image information; the sub display panel 21 is connected to the first circuit board 222, and is configured to acquire second image information; the first circuit board 222 is electrically connected to the encoder 221b, and is configured to acquire a rotation signal; the first circuit board 222 is further configured to send the rotation signal to the main controller through a second transmission line; the main controller is also used for refreshing the second graphic information according to the rotation signal.
The knob assembly 22 further includes a first circuit board 222, the first circuit board 222 may be disposed on a side of the knob structure 221 close to the main display panel 10, and the first circuit board 222 may be capable of receiving second image information sent by the main controller through a second transmission line and sending the second image information to the sub display panel 21, so that the sub display panel 21 displays a second image.
In addition, the first circuit board 222 is electrically connected to the encoder 221b, and can acquire the rotation signal, the first circuit board 222 can transmit the rotation signal to the main controller through the second transmission line, and the main controller calculates a parameter adjustment amplitude according to the rotation signal, so as to adjust information about the parameter in the second graphic information, and enable the sub display panel 21 to display the adjusted parameter data. For example, if the air-conditioning temperature displayed on the current sub-display panel 21 is 24 ℃, the first circuit board 222 sends a rotation signal operated by a user to the main controller, and the main controller calculates a temperature adjustment range according to the rotation signal, for example, the rotation angle of the encoder 221b is 5 °, and the corresponding adjustment temperature is 1 ℃, the main controller refreshes the second graphic information of the air-conditioning temperature currently displayed on the sub-display panel 21, and sends the refreshed second graphic information to the first circuit board 222 again, so that the first circuit board 222 sends the refreshed second graphic information to the sub-display panel 21, and the sub-display panel 21 displays the air-conditioning temperature of 25 ℃.
With continued reference to fig. 9, optionally, the knob assembly 22 may further include: a back plate 223; the back plate 223 is disposed on one side of the first circuit board 222 close to the main display panel 10, and is used for fixing the knob panel assembly 20 on the main display panel 10; the back plate 223 is provided with a second through hole 223a corresponding to the first through hole 11 so that the second transmission line passes through the back plate 223.
The back plate 223 serves as a housing for the knob assembly 22 to support and protect the entire knob assembly 22. The back plate 223 is disposed on one side of the first circuit board 222 close to the main display panel 10, and can be fixed to the main display panel 10. For example, it is fixed to the main display panel 10 by means of adhesion, screwing, or magnetic attraction. It should be noted that, in order to connect the second transmission line with the first circuit board 222, a second through hole 223a corresponding to the first through hole 11 is provided on the back plate 223, so that the second transmission line passes through the back plate 223.
In addition, the knob assembly 22 may further include a power module 24, the power module 24 may be disposed on a side of the back plate 223 far away from the main display panel 10, the main controller sends the second power signal to the power module 24 of the knob assembly 22 through a fourth transmission line, and the fourth transmission line may also pass through the back plate 223 through the second through hole 223 a.
Fig. 10 is a schematic circuit diagram of a knob panel assembly according to an embodiment of the present invention, and optionally, the secondary display panel 21 may further include: at least one of the touch unit 211, the pressure sensing unit 212 and the fingerprint identification unit 213 is configured to receive a tactile operation instruction input by a user.
Specifically, the touch unit 211 may be a self-contained type, a mutual-contained type, or other types known to those skilled in the art, and is not limited herein. The touch unit 211 includes a plurality of touch electrodes, which may be in the shape of a block, a bar, a grid, or other shapes known to those skilled in the art, and is not limited herein. The touch unit 211 is used for detecting a touch position. The pressure sensing unit 212 senses the pressure applied to the touch pad by placing four pressure sensors at four corners of the lower portion of the touch pad, and provides a specific pressure value to the main controller 30 so as to respond differently with different pressure values. For example, the first circuit board 222 may transmit the pressure value to the main controller 30 through the second transmission line, and the main controller 30 may obtain the pressure operation command according to the pressure value, the control page currently displayed on the main display panel 10, and the parameter setting type, and control the corresponding electronic device according to the pressure operation command. The fingerprint recognition unit 213 may be an optical fingerprint recognition unit, a capacitive fingerprint recognition unit, a radio frequency fingerprint recognition unit, or other types of fingerprint recognition units known to those skilled in the art, and is not limited herein. The fingerprinting unit 213 is used for fingerprinting to verify the user identity.
With continued reference to fig. 10, optionally, the knob panel assembly 20 may further include: a vibration motor 25; the vibration motor 25 is connected to the first circuit board 222 for generating vibration when the sub display panel 21 receives a tactile operation instruction or the encoder 221b generates a rotation signal.
Specifically, an eccentric wheel is arranged on a motor shaft, and when the motor rotates, the center point of the eccentric wheel is not on the rotation center of the motor, so that the motor is in a continuous unbalance state, and vibration is caused by inertia. Alternatively, the first circuit board 222 may control the vibration motor 17 to vibrate when it detects that the encoder 221b rotates, the user touches the sub display panel 21, or the user presses the touch unit 211, the pressure sensing unit 212, and the fingerprint recognition unit 213.
Optionally, the display device may be an in-vehicle display device; the first image may include: at least one of multimedia pictures, vehicle speed information, engine state information, vehicle self-checking information and brake information; the second image may include: at least one of volume information, air volume information, and temperature information.
The display device can be an on-vehicle display device, a knob type auxiliary display panel is arranged on the on-vehicle display screen, the auxiliary display panel is clear in display, and when a driver watches the on-vehicle display device at a large visual angle, a picture displayed by the knob type auxiliary display panel is not shielded. In this embodiment, the main controller controls the main display panel and the sub display panel to display respectively. For example, the first image may include: the vehicle brake control system comprises a main display panel, a multimedia picture, at least one of vehicle speed information, engine state information, vehicle self-checking information and brake information, wherein the information is important and changes rapidly, and can be displayed through the main display panel. The second image may include: and at least one of volume information, air volume information and temperature information, wherein the parameter information is simple in image and not easy to change, and the second image can be displayed through the auxiliary display panel, so that the refresh rate and the power consumption of the auxiliary display panel are reduced.
Optionally, the display device may be an in-vehicle display device; the main controller is prestored with size proportion parameters and relative position parameters of the main display panel and the auxiliary display panel, when the main controller receives image information to be displayed, the main controller splits the displayed image information into main display image information and auxiliary display image information according to the size proportion parameters and the relative position parameters of the main display panel and the auxiliary display panel, transmits the main display image information to the main display panel through a first transmission line, and transmits the auxiliary display image information to the auxiliary display panel through a second transmission line; the main display panel displays a first image according to the main display image information; the auxiliary display panel displays a second image according to the auxiliary display image information; the first image and the second image constitute the whole image.
In a similar way, the display device can be a vehicle-mounted display device in the implementation, a knob type auxiliary display panel is arranged on the vehicle-mounted display screen, the auxiliary display panel is clear in display, and when a driver watches the vehicle-mounted display device at a large visual angle, a picture displayed by the knob type auxiliary display panel is not shielded. In this embodiment, the main display panel and the sub display panel can simultaneously display the whole image. For example, the main display panel and the sub display panel can play multimedia pictures simultaneously. The main controller prestores size proportion parameters and relative position parameters of the main display panel and the auxiliary display panel, and splits display image information of the whole image into the main display image information and the auxiliary display image information according to the size proportion parameters and the relative position parameters of the main display panel and the auxiliary display panel, namely, the pixel points of the whole image are split according to the size and the position of the display panel and the auxiliary display panel, the main display image information is transmitted to the main display panel through a first transmission line, and the auxiliary display image information is transmitted to the auxiliary display panel through a second transmission line, so that the first image displayed by the main display panel and the second image displayed by the auxiliary display panel form the whole image, the display area of the whole display device is increased, and the watching experience of a user is improved.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (16)
1. A display device, comprising: the main display panel, the knob panel assembly and the main controller; the knob panel assembly comprises a secondary display panel and a knob assembly for fixing the secondary display panel;
the main controller is connected with the main display panel through a first transmission line and used for sending first image information to the main display panel so that the main display panel displays a first image;
the knob panel assembly is fixed on the light emitting side of the main display panel; the area covered by the vertical projection of the knob panel assembly on the plane of the main display panel is a first area of the main display panel; a first through hole penetrating through the main display panel is formed in the first area; the main controller is connected with the auxiliary display panel through a second transmission line penetrating through the first through hole and used for sending second image information to the auxiliary display panel, so that the auxiliary display panel displays a second image.
2. The display device according to claim 1, wherein the main controller is connected to the main display panel through a third transmission line for transmitting a first power signal to the main display panel;
the main controller is connected with the auxiliary display panel through a fourth transmission line penetrating through the first through hole and used for sending a second power supply signal to the auxiliary display panel.
3. The display device according to claim 1, wherein sidewalls of the first transmission line and the second transmission line are coated with an insulating protective layer; or, the first transmission line and the second transmission line are disposed on a flexible substrate.
4. The display device according to claim 1, wherein the knob panel assembly is fixed to a non-display area of the main display panel;
the knob panel assembly is fixed to the main display panel by means of adhesion, screw connection or magnetic adhesion.
5. The display device according to claim 1, wherein the knob panel assembly is fixed to a display area of the main display panel; the display area of the main display panel comprises the first area and a second area surrounding the first area; the second area is provided with pixel units arranged in an array;
the knob panel assembly is fixed on the main display panel in a sticking, screwing or magnet adsorption mode.
6. The display device according to claim 5, wherein the first region of the main display panel is provided with a plurality of pixel units disposed around the first through hole; the main display panel comprises a plurality of data lines extending along a first direction and a plurality of scanning lines extending along a second direction; the first direction and the second direction intersect;
the scanning lines and the data lines passing through the first area are arranged to avoid the first through holes.
7. The display device of claim 5, wherein the knob assembly includes a first end proximate to the main display panel and a second end distal from the main display panel; the auxiliary display panel is pasted at the second end of the knob component;
and the area covered by the vertical projection of the auxiliary display panel on the plane of the main display panel is the first area of the main display panel.
8. The display device according to claim 4 or 5, wherein the knob panel assembly is fixed to the main display panel by means of magnet attraction;
the first area of the main display panel is provided with at least one first magnet arranged around the first through hole; at least one second magnet is arranged on one side, close to the main display panel, of the knob component; the first magnet and the second magnet are opposite in polarity.
9. The display device according to claim 1, wherein a sealant is disposed on a sidewall of the first through hole of the main display panel.
10. The display device of claim 1, wherein the knob assembly comprises: a knob structure;
the knob structure is arranged between the auxiliary display panel and the main display panel; the knob structure comprises an inner ring structure, an encoder and an outer ring structure; the outer ring structure is arranged on the outer side of the inner ring structure; the encoder is arranged between the inner ring structure and the outer ring structure; the outer ring structure is used for driving the encoder to rotate, so that the encoder generates a rotation signal.
11. The display device of claim 10, wherein the knob assembly further comprises: a first circuit board; the first circuit board is arranged on one side of the knob structure close to the main display panel;
the first circuit board is connected with the main controller through the second transmission line and used for receiving the second image information; the auxiliary display panel is connected with the first circuit board and used for acquiring the second image information; the first circuit board is electrically connected with the encoder and used for acquiring the rotation signal; the first circuit board is also used for sending the rotation signal to the main controller through the second transmission line;
the main controller is also used for refreshing the second graphic information according to the rotation signal.
12. The display device of claim 11, wherein the knob assembly further comprises: a back plate;
the back plate is arranged on one side, close to the main display panel, of the first circuit board and is used for fixing the knob panel assembly on the main display panel; and a second through hole corresponding to the first through hole is formed in the back plate, so that the second transmission line penetrates through the back plate.
13. The display device according to claim 1, wherein the sub display panel further comprises:
the touch control unit, the pressure sensing unit and the fingerprint identification unit are used for respectively receiving touch operation instructions input by a user.
14. The display device of claim 11, wherein the knob panel assembly further comprises: a vibration motor;
the vibration motor is connected with the first circuit board and is used for generating vibration when the auxiliary display panel receives a touch operation instruction or the encoder generates the rotation signal.
15. The display device according to claim 1, wherein the display device is an in-vehicle display device;
the first image includes: at least one of multimedia pictures, vehicle speed information, engine state information, vehicle self-checking information and brake information;
the second image includes: at least one of volume information, air volume information, and temperature information.
16. The display device according to claim 1, wherein the display device is an in-vehicle display device;
the main controller is prestored with the size proportion parameter and the relative position parameter of the main display panel and the auxiliary display panel, when the main controller receives image information to be displayed, the main controller splits the display image information into main display image information and auxiliary display image information according to the size proportion parameter and the relative position parameter of the main display panel and the auxiliary display panel, transmits the main display image information to the main display panel through the first transmission line, and transmits the auxiliary display image information to the auxiliary display panel through the second transmission line;
the main display panel displays the first image according to the main display image information; the secondary display panel displays the second image according to the secondary display image information; the first image and the second image constitute a whole image.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010622480.0A CN111710243A (en) | 2020-06-30 | 2020-06-30 | Display device |
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| CN202010622480.0A CN111710243A (en) | 2020-06-30 | 2020-06-30 | Display device |
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| CN111710243A true CN111710243A (en) | 2020-09-25 |
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| CN202010622480.0A Pending CN111710243A (en) | 2020-06-30 | 2020-06-30 | Display device |
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